Prepare for v3

main
Nikita Tokarchuk 11 months ago
parent 7c3e50e783
commit 23029ae710
Signed by: mainnika
GPG Key ID: 5CDEED14F48FA79D
  1. 4
      go.mod
  2. 55
      go.sum
  3. 12
      mongox-testing/database/ephemeral.go
  4. 44
      mongox/base/docbased/id.go
  5. 26
      mongox/base/docbased/id_test.go
  6. 66
      mongox/base/getid.go
  7. 22
      mongox/base/getid_test.go
  8. 40
      mongox/base/getprotection.go
  9. 16
      mongox/base/ifacebased/id.go
  10. 24
      mongox/base/jsonbased/id.go
  11. 19
      mongox/base/oidbased/id.go
  12. 18
      mongox/base/oidbased/id_test.go
  13. 38
      mongox/base/protection/key.go
  14. 3
      mongox/base/protection/key_test.go
  15. 1
      mongox/base/reset.go
  16. 14
      mongox/base/stringbased/id.go
  17. 14
      mongox/base/stringbased/id_test.go
  18. 23
      mongox/database/context.go
  19. 19
      mongox/database/count.go
  20. 188
      mongox/database/cursor.go
  21. 220
      mongox/database/database.go
  22. 50
      mongox/database/deletearray.go
  23. 51
      mongox/database/deleteone.go
  24. 23
      mongox/database/index.go
  25. 6
      mongox/database/index_test.go
  26. 71
      mongox/database/loadarray.go
  27. 57
      mongox/database/loadone.go
  28. 19
      mongox/database/loadstream.go
  29. 36
      mongox/database/saveone.go
  30. 44
      mongox/database/streamloader.go
  31. 52
      mongox/database/updateone.go
  32. 8
      mongox/errors.go
  33. 7
      mongox/mongox.go
  34. 4
      mongox/query/callbacks.go
  35. 58
      mongox/query/callbacks_test.go
  36. 44
      mongox/query/compose.go
  37. 128
      mongox/query/compose_test.go
  38. 9
      mongox/query/context.go
  39. 5
      mongox/query/limit.go
  40. 4
      mongox/query/preload.go
  41. 50
      mongox/query/query.go
  42. 5
      mongox/query/skip.go

@ -4,7 +4,7 @@ go 1.13
require ( require (
github.com/modern-go/reflect2 v1.0.2 github.com/modern-go/reflect2 v1.0.2
github.com/stretchr/testify v1.7.0 github.com/stretchr/testify v1.8.4
github.com/valyala/bytebufferpool v1.0.0 github.com/valyala/bytebufferpool v1.0.0
go.mongodb.org/mongo-driver v1.8.2 go.mongodb.org/mongo-driver v1.11.6
) )

@ -1,8 +1,6 @@
github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38= github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c= github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38= github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
github.com/go-stack/stack v1.8.0 h1:5SgMzNM5HxrEjV0ww2lTmX6E2Izsfxas4+YHWRs3Lsk=
github.com/go-stack/stack v1.8.0/go.mod h1:v0f6uXyyMGvRgIKkXu+yp6POWl0qKG85gN/melR3HDY=
github.com/golang/snappy v0.0.1 h1:Qgr9rKW7uDUkrbSmQeiDsGa8SjGyCOGtuasMWwvp2P4= github.com/golang/snappy v0.0.1 h1:Qgr9rKW7uDUkrbSmQeiDsGa8SjGyCOGtuasMWwvp2P4=
github.com/golang/snappy v0.0.1/go.mod h1:/XxbfmMg8lxefKM7IXC3fBNl/7bRcc72aCRzEWrmP2Q= github.com/golang/snappy v0.0.1/go.mod h1:/XxbfmMg8lxefKM7IXC3fBNl/7bRcc72aCRzEWrmP2Q=
github.com/google/go-cmp v0.5.2 h1:X2ev0eStA3AbceY54o37/0PQ/UWqKEiiO2dKL5OPaFM= github.com/google/go-cmp v0.5.2 h1:X2ev0eStA3AbceY54o37/0PQ/UWqKEiiO2dKL5OPaFM=
@ -16,50 +14,53 @@ github.com/kr/text v0.1.0 h1:45sCR5RtlFHMR4UwH9sdQ5TC8v0qDQCHnXt+kaKSTVE=
github.com/kr/text v0.1.0/go.mod h1:4Jbv+DJW3UT/LiOwJeYQe1efqtUx/iVham/4vfdArNI= github.com/kr/text v0.1.0/go.mod h1:4Jbv+DJW3UT/LiOwJeYQe1efqtUx/iVham/4vfdArNI=
github.com/modern-go/reflect2 v1.0.2 h1:xBagoLtFs94CBntxluKeaWgTMpvLxC4ur3nMaC9Gz0M= github.com/modern-go/reflect2 v1.0.2 h1:xBagoLtFs94CBntxluKeaWgTMpvLxC4ur3nMaC9Gz0M=
github.com/modern-go/reflect2 v1.0.2/go.mod h1:yWuevngMOJpCy52FWWMvUC8ws7m/LJsjYzDa0/r8luk= github.com/modern-go/reflect2 v1.0.2/go.mod h1:yWuevngMOJpCy52FWWMvUC8ws7m/LJsjYzDa0/r8luk=
github.com/montanaflynn/stats v0.0.0-20171201202039-1bf9dbcd8cbe h1:iruDEfMl2E6fbMZ9s0scYfZQ84/6SPL6zC8ACM2oIL0=
github.com/montanaflynn/stats v0.0.0-20171201202039-1bf9dbcd8cbe/go.mod h1:wL8QJuTMNUDYhXwkmfOly8iTdp5TEcJFWZD2D7SIkUc= github.com/montanaflynn/stats v0.0.0-20171201202039-1bf9dbcd8cbe/go.mod h1:wL8QJuTMNUDYhXwkmfOly8iTdp5TEcJFWZD2D7SIkUc=
github.com/pkg/errors v0.9.1 h1:FEBLx1zS214owpjy7qsBeixbURkuhQAwrK5UwLGTwt4= github.com/pkg/errors v0.9.1 h1:FEBLx1zS214owpjy7qsBeixbURkuhQAwrK5UwLGTwt4=
github.com/pkg/errors v0.9.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0= github.com/pkg/errors v0.9.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM= github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4= github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
github.com/stretchr/objx v0.1.0 h1:4G4v2dO3VZwixGIRoQ5Lfboy6nUhCyYzaqnIAPPhYs4=
github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME= github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
github.com/stretchr/objx v0.4.0/go.mod h1:YvHI0jy2hoMjB+UWwv71VJQ9isScKT/TqJzVSSt89Yw=
github.com/stretchr/objx v0.5.0 h1:1zr/of2m5FGMsad5YfcqgdqdWrIhu+EBEJRhR1U7z/c=
github.com/stretchr/objx v0.5.0/go.mod h1:Yh+to48EsGEfYuaHDzXPcE3xhTkx73EhmCGUpEOglKo=
github.com/stretchr/testify v1.6.1/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg= github.com/stretchr/testify v1.6.1/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
github.com/stretchr/testify v1.7.0 h1:nwc3DEeHmmLAfoZucVR881uASk0Mfjw8xYJ99tb5CcY= github.com/stretchr/testify v1.7.1/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
github.com/stretchr/testify v1.7.0/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg= github.com/stretchr/testify v1.8.0/go.mod h1:yNjHg4UonilssWZ8iaSj1OCr/vHnekPRkoO+kdMU+MU=
github.com/stretchr/testify v1.8.4 h1:CcVxjf3Q8PM0mHUKJCdn+eZZtm5yQwehR5yeSVQQcUk=
github.com/stretchr/testify v1.8.4/go.mod h1:sz/lmYIOXD/1dqDmKjjqLyZ2RngseejIcXlSw2iwfAo=
github.com/tidwall/pretty v1.0.0 h1:HsD+QiTn7sK6flMKIvNmpqz1qrpP3Ps6jOKIKMooyg4= github.com/tidwall/pretty v1.0.0 h1:HsD+QiTn7sK6flMKIvNmpqz1qrpP3Ps6jOKIKMooyg4=
github.com/tidwall/pretty v1.0.0/go.mod h1:XNkn88O1ChpSDQmQeStsy+sBenx6DDtFZJxhVysOjyk= github.com/tidwall/pretty v1.0.0/go.mod h1:XNkn88O1ChpSDQmQeStsy+sBenx6DDtFZJxhVysOjyk=
github.com/valyala/bytebufferpool v1.0.0 h1:GqA5TC/0021Y/b9FG4Oi9Mr3q7XYx6KllzawFIhcdPw= github.com/valyala/bytebufferpool v1.0.0 h1:GqA5TC/0021Y/b9FG4Oi9Mr3q7XYx6KllzawFIhcdPw=
github.com/valyala/bytebufferpool v1.0.0/go.mod h1:6bBcMArwyJ5K/AmCkWv1jt77kVWyCJ6HpOuEn7z0Csc= github.com/valyala/bytebufferpool v1.0.0/go.mod h1:6bBcMArwyJ5K/AmCkWv1jt77kVWyCJ6HpOuEn7z0Csc=
github.com/xdg-go/pbkdf2 v1.0.0 h1:Su7DPu48wXMwC3bs7MCNG+z4FhcyEuz5dlvchbq0B0c= github.com/xdg-go/pbkdf2 v1.0.0 h1:Su7DPu48wXMwC3bs7MCNG+z4FhcyEuz5dlvchbq0B0c=
github.com/xdg-go/pbkdf2 v1.0.0/go.mod h1:jrpuAogTd400dnrH08LKmI/xc1MbPOebTwRqcT5RDeI= github.com/xdg-go/pbkdf2 v1.0.0/go.mod h1:jrpuAogTd400dnrH08LKmI/xc1MbPOebTwRqcT5RDeI=
github.com/xdg-go/scram v1.0.2 h1:akYIkZ28e6A96dkWNJQu3nmCzH3YfwMPQExUYDaRv7w= github.com/xdg-go/scram v1.1.1 h1:VOMT+81stJgXW3CpHyqHN3AXDYIMsx56mEFrB37Mb/E=
github.com/xdg-go/scram v1.0.2/go.mod h1:1WAq6h33pAW+iRreB34OORO2Nf7qel3VV3fjBj+hCSs= github.com/xdg-go/scram v1.1.1/go.mod h1:RaEWvsqvNKKvBPvcKeFjrG2cJqOkHTiyTpzz23ni57g=
github.com/xdg-go/stringprep v1.0.2 h1:6iq84/ryjjeRmMJwxutI51F2GIPlP5BfTvXHeYjyhBc= github.com/xdg-go/stringprep v1.0.3 h1:kdwGpVNwPFtjs98xCGkHjQtGKh86rDcRZN17QEMCOIs=
github.com/xdg-go/stringprep v1.0.2/go.mod h1:8F9zXuvzgwmyT5DUm4GUfZGDdT3W+LCvS6+da4O5kxM= github.com/xdg-go/stringprep v1.0.3/go.mod h1:W3f5j4i+9rC0kuIEJL0ky1VpHXQU3ocBgklLGvcBnW8=
github.com/youmark/pkcs8 v0.0.0-20181117223130-1be2e3e5546d h1:splanxYIlg+5LfHAM6xpdFEAYOk8iySO56hMFq6uLyA= github.com/youmark/pkcs8 v0.0.0-20181117223130-1be2e3e5546d h1:splanxYIlg+5LfHAM6xpdFEAYOk8iySO56hMFq6uLyA=
github.com/youmark/pkcs8 v0.0.0-20181117223130-1be2e3e5546d/go.mod h1:rHwXgn7JulP+udvsHwJoVG1YGAP6VLg4y9I5dyZdqmA= github.com/youmark/pkcs8 v0.0.0-20181117223130-1be2e3e5546d/go.mod h1:rHwXgn7JulP+udvsHwJoVG1YGAP6VLg4y9I5dyZdqmA=
go.mongodb.org/mongo-driver v1.8.2 h1:8ssUXufb90ujcIvR6MyE1SchaNj0SFxsakiZgxIyrMk= go.mongodb.org/mongo-driver v1.11.6 h1:XM7G6PjiGAO5betLF13BIa5TlLUUE3uJ/2Ox3Lz1K+o=
go.mongodb.org/mongo-driver v1.8.2/go.mod h1:0sQWfOeY63QTntERDJJ/0SuKK0T1uVSgKCuAROlKEPY= go.mongodb.org/mongo-driver v1.11.6/go.mod h1:G9TgswdsWjX4tmDA5zfs2+6AEPpYJwqblyjsfuh8oXY=
golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w= golang.org/x/crypto v0.0.0-20220622213112-05595931fe9d h1:sK3txAijHtOK88l68nt020reeT1ZdKLIYetKl95FzVY=
golang.org/x/crypto v0.0.0-20201216223049-8b5274cf687f h1:aZp0e2vLN4MToVqnjNEYEtrEA8RH8U8FN1CU7JgqsPU= golang.org/x/crypto v0.0.0-20220622213112-05595931fe9d/go.mod h1:IxCIyHEi3zRg3s0A5j5BB6A9Jmi73HwBIUl50j+osU4=
golang.org/x/crypto v0.0.0-20201216223049-8b5274cf687f/go.mod h1:jdWPYTVW3xRLrWPugEBEK3UY2ZEsg3UU495nc5E+M+I= golang.org/x/net v0.0.0-20211112202133-69e39bad7dc2/go.mod h1:9nx3DQGgdP8bBQD5qxJ1jj9UTztislL4KSBs9R2vV5Y=
golang.org/x/net v0.0.0-20190311183353-d8887717615a/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg= golang.org/x/sync v0.0.0-20210220032951-036812b2e83c h1:5KslGYwFpkhGh+Q16bwMP3cOontH8FOep7tGV86Y7SQ=
golang.org/x/net v0.0.0-20190404232315-eb5bcb51f2a3/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg= golang.org/x/sync v0.0.0-20210220032951-036812b2e83c/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
golang.org/x/sync v0.0.0-20190423024810-112230192c58/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM= golang.org/x/sys v0.0.0-20201119102817-f84b799fce68/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/sync v0.0.0-20190911185100-cd5d95a43a6e h1:vcxGaoTs7kV8m5Np9uUNQin4BrLOthgV7252N8V+FwY= golang.org/x/sys v0.0.0-20210423082822-04245dca01da/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/sync v0.0.0-20190911185100-cd5d95a43a6e/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM= golang.org/x/sys v0.0.0-20210615035016-665e8c7367d1/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY= golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo=
golang.org/x/sys v0.0.0-20191026070338-33540a1f6037/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= golang.org/x/text v0.3.6/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
golang.org/x/term v0.0.0-20201117132131-f5c789dd3221/go.mod h1:Nr5EML6q2oocZ2LXRh80K7BxOlk5/8JxuGnuhpl+muw= golang.org/x/text v0.3.7 h1:olpwvP2KacW1ZWvsR7uQhoyTYvKAupfQrRGBFM352Gk=
golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ= golang.org/x/text v0.3.7/go.mod h1:u+2+/6zg+i71rQMx5EYifcz6MCKuco9NR6JIITiCfzQ=
golang.org/x/text v0.3.5 h1:i6eZZ+zk0SOf0xgBpEpPD18qWcJda6q1sxt3S0kzyUQ=
golang.org/x/text v0.3.5/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ= golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
golang.org/x/tools v0.0.0-20190531172133-b3315ee88b7d/go.mod h1:/rFqwRUd4F7ZHNgwSSTFct+R/Kf4OFW1sUzUTQQTgfc=
golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543 h1:E7g+9GITq07hpfrRu66IVDexMakfv52eLZ2CXBWiKr4= golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543 h1:E7g+9GITq07hpfrRu66IVDexMakfv52eLZ2CXBWiKr4=
golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0= golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0= gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127 h1:qIbj1fsPNlZgppZ+VLlY7N33q108Sa+fhmuc+sWQYwY= gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127 h1:qIbj1fsPNlZgppZ+VLlY7N33q108Sa+fhmuc+sWQYwY=
gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0= gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c h1:dUUwHk2QECo/6vqA44rthZ8ie2QXMNeKRTHCNY2nXvo=
gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM= gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=

@ -29,18 +29,24 @@ func init() {
// NewEphemeral creates new mongo connection // NewEphemeral creates new mongo connection
func NewEphemeral(URI string) (db *EphemeralDatabase, err error) { func NewEphemeral(URI string) (db *EphemeralDatabase, err error) {
return NewEphemeralWithContext(context.Background(), URI)
}
func NewEphemeralWithContext(ctx context.Context, URI string) (db *EphemeralDatabase, err error) {
if URI == "" { if URI == "" {
URI = defaultURI URI = defaultURI
} }
name := primitive.NewObjectID().Hex() name := primitive.NewObjectID().Hex()
opts := options.Client().ApplyURI(URI) opts := options.Client().ApplyURI(URI)
client, err := mongo.Connect(context.Background(), opts) client, err := mongo.Connect(ctx, opts)
if err != nil {
return nil, err
}
db = &EphemeralDatabase{Database: database.NewDatabase(client, name)} db = &EphemeralDatabase{Database: database.NewDatabase(ctx, client, name)}
return return db, nil
} }
// Close the connection and drop database // Close the connection and drop database

@ -0,0 +1,44 @@
package docbased
import (
"github.com/modern-go/reflect2"
"go.mongodb.org/mongo-driver/bson/primitive"
"github.com/mainnika/mongox-go-driver/v2/mongox"
)
var _ mongox.DocBased = (*Primary)(nil)
// Primary is a structure with object as an _id field
type Primary struct {
ID primitive.D `bson:"_id" json:"_id"`
}
// GetID returns an _id
func (p *Primary) GetID() (id primitive.D) {
return p.ID
}
// SetID sets an _id
func (p *Primary) SetID(id primitive.D) {
p.ID = id
}
// New creates a new Primary structure with a defined _id
func New(e primitive.E, ee ...primitive.E) Primary {
id := primitive.D{e}
if len(ee) > 0 {
id = append(id, ee...)
}
return Primary{ID: id}
}
func GetID(source mongox.DocBased) (id primitive.D, err error) {
id = source.GetID()
if !reflect2.IsNil(id) {
return id, nil
}
return nil, mongox.ErrUninitializedBase
}

@ -1,4 +1,4 @@
package jsonbased_test package docbased_test
import ( import (
"encoding/json" "encoding/json"
@ -8,27 +8,25 @@ import (
"go.mongodb.org/mongo-driver/bson/primitive" "go.mongodb.org/mongo-driver/bson/primitive"
"github.com/mainnika/mongox-go-driver/v2/mongox-testing/database" "github.com/mainnika/mongox-go-driver/v2/mongox-testing/database"
"github.com/mainnika/mongox-go-driver/v2/mongox/base/jsonbased" "github.com/mainnika/mongox-go-driver/v2/mongox/base/docbased"
) )
func Test_GetID(t *testing.T) { func Test_GetID(t *testing.T) {
type DocWithObject struct { type DocWithObject struct {
jsonbased.Primary `bson:",inline" json:",inline" collection:"1"` docbased.Primary `bson:",inline" json:",inline" collection:"1"`
} }
doc := &DocWithObject{Primary: jsonbased.Primary{ID: primitive.D{{"1", "one"}, {"2", "two"}}}} doc := &DocWithObject{Primary: docbased.New(primitive.E{"1", "one"}, primitive.E{"2", "two"})}
assert.Equal(t, primitive.D{{"1", "one"}, {"2", "two"}}, doc.GetID()) assert.Equal(t, primitive.D{{"1", "one"}, {"2", "two"}}, doc.GetID())
} }
func Test_SetID(t *testing.T) { func Test_SetID(t *testing.T) {
type DocWithObject struct { type DocWithObject struct {
jsonbased.Primary `bson:",inline" json:",inline" collection:"1"` docbased.Primary `bson:",inline" json:",inline" collection:"1"`
} }
doc := &DocWithObject{Primary: jsonbased.Primary{ID: primitive.D{{"1", "one"}, {"2", "two"}}}} doc := &DocWithObject{Primary: docbased.New(primitive.E{"1", "one"}, primitive.E{"2", "two"})}
doc.SetID(primitive.D{{"3", "three"}, {"4", "you"}}) doc.SetID(primitive.D{{"3", "three"}, {"4", "you"}})
@ -37,9 +35,8 @@ func Test_SetID(t *testing.T) {
} }
func Test_SaveLoad(t *testing.T) { func Test_SaveLoad(t *testing.T) {
type DocWithObjectID struct { type DocWithObjectID struct {
jsonbased.Primary `bson:",inline" json:",inline" collection:"1"` docbased.Primary `bson:",inline" json:",inline" collection:"1"`
} }
db, err := database.NewEphemeral("") db, err := database.NewEphemeral("")
@ -47,9 +44,9 @@ func Test_SaveLoad(t *testing.T) {
t.Fatal(err) t.Fatal(err)
} }
defer db.Close() defer func() { _ = db.Close() }()
doc1 := &DocWithObjectID{Primary: jsonbased.Primary{ID: primitive.D{{"1", "one"}, {"2", "two"}}}} doc1 := &DocWithObjectID{Primary: docbased.New(primitive.E{"1", "one"}, primitive.E{"2", "two"})}
doc2 := &DocWithObjectID{} doc2 := &DocWithObjectID{}
err = db.SaveOne(doc1) err = db.SaveOne(doc1)
@ -67,12 +64,11 @@ func Test_SaveLoad(t *testing.T) {
} }
func Test_Marshal(t *testing.T) { func Test_Marshal(t *testing.T) {
type DocWithObjectID struct { type DocWithObjectID struct {
jsonbased.Primary `bson:",inline" json:",inline" collection:"1"` docbased.Primary `bson:",inline" json:",inline" collection:"1"`
} }
doc := &DocWithObjectID{Primary: jsonbased.Primary{ID: primitive.D{{"1", "one"}, {"2", "two"}}}} doc := &DocWithObjectID{Primary: docbased.New(primitive.E{"1", "one"}, primitive.E{"2", "two"})}
bytes, err := json.Marshal(doc) bytes, err := json.Marshal(doc)
assert.NoError(t, err) assert.NoError(t, err)

@ -2,70 +2,26 @@ package base
import ( import (
"fmt" "fmt"
"github.com/mainnika/mongox-go-driver/v2/mongox/base/docbased"
"github.com/modern-go/reflect2" "github.com/mainnika/mongox-go-driver/v2/mongox/base/ifacebased"
"go.mongodb.org/mongo-driver/bson/primitive" "github.com/mainnika/mongox-go-driver/v2/mongox/base/oidbased"
"github.com/mainnika/mongox-go-driver/v2/mongox/base/stringbased"
"github.com/mainnika/mongox-go-driver/v2/mongox" "github.com/mainnika/mongox-go-driver/v2/mongox"
) )
// GetID returns source document id // GetID returns source document id
func GetID(source interface{}) (id interface{}) { func GetID(source interface{}) (id interface{}, err error) {
switch doc := source.(type) { switch doc := source.(type) {
case mongox.OIDBased: case mongox.OIDBased:
return getObjectIDOrGenerate(doc) return oidbased.GetID(doc)
case mongox.StringBased: case mongox.StringBased:
return getStringIDOrPanic(doc) return stringbased.GetID(doc)
case mongox.JSONBased: case mongox.DocBased:
return getObjectOrPanic(doc) return docbased.GetID(doc)
case mongox.InterfaceBased: case mongox.InterfaceBased:
return getInterfaceOrPanic(doc) return ifacebased.GetID(doc)
default: default:
panic(fmt.Errorf("source contains malformed document, %v", source)) return nil, fmt.Errorf("%w: unknown base type", mongox.ErrMalformedBase)
}
}
func getObjectIDOrGenerate(source mongox.OIDBased) (id primitive.ObjectID) {
id = source.GetID()
if id != primitive.NilObjectID {
return id
}
id = primitive.NewObjectID()
source.SetID(id)
return
}
func getStringIDOrPanic(source mongox.StringBased) (id string) {
id = source.GetID()
if id != "" {
return id
}
panic(fmt.Errorf("source contains malformed document, %v", source))
}
func getObjectOrPanic(source mongox.JSONBased) (id primitive.D) {
id = source.GetID()
if id != nil {
return id
} }
panic(fmt.Errorf("source contains malformed document, %v", source))
}
func getInterfaceOrPanic(source mongox.InterfaceBased) (id interface{}) {
id = source.GetID()
if !reflect2.IsNil(id) {
return id
}
panic(fmt.Errorf("source contains malformed document, %v", source))
} }

@ -1,13 +1,14 @@
package base_test package base_test
import ( import (
"github.com/mainnika/mongox-go-driver/v2/mongox/base/docbased"
"github.com/stretchr/testify/require"
"testing" "testing"
"github.com/stretchr/testify/assert" "github.com/stretchr/testify/assert"
"go.mongodb.org/mongo-driver/bson/primitive" "go.mongodb.org/mongo-driver/bson/primitive"
"github.com/mainnika/mongox-go-driver/v2/mongox/base" "github.com/mainnika/mongox-go-driver/v2/mongox/base"
"github.com/mainnika/mongox-go-driver/v2/mongox/base/jsonbased"
"github.com/mainnika/mongox-go-driver/v2/mongox/base/oidbased" "github.com/mainnika/mongox-go-driver/v2/mongox/base/oidbased"
"github.com/mainnika/mongox-go-driver/v2/mongox/base/stringbased" "github.com/mainnika/mongox-go-driver/v2/mongox/base/stringbased"
) )
@ -29,15 +30,24 @@ func TestGetID(t *testing.T) {
type DocWithObjectID struct { type DocWithObjectID struct {
oidbased.Primary `bson:",inline" json:",inline" collection:"1"` oidbased.Primary `bson:",inline" json:",inline" collection:"1"`
} }
id, err := base.GetID(&DocWithObjectID{Primary: oidbased.Primary{ID: [12]byte{1, 2, 3, 4, 5, 6, 7, 8, 9, 0, 1, 2}}})
require.NoError(t, err)
assert.Equal(t, primitive.ObjectID([12]byte{1, 2, 3, 4, 5, 6, 7, 8, 9, 0, 1, 2}), id)
type DocWithObject struct { type DocWithObject struct {
jsonbased.Primary `bson:",inline" json:",inline" collection:"2"` docbased.Primary `bson:",inline" json:",inline" collection:"2"`
} }
id, err = base.GetID(&DocWithObject{Primary: docbased.Primary{ID: primitive.D{{"1", "2"}}}})
require.NoError(t, err)
assert.Equal(t, primitive.D{{"1", "2"}}, id)
type DocWithString struct { type DocWithString struct {
stringbased.Primary `bson:",inline" json:",inline" collection:"3"` stringbased.Primary `bson:",inline" json:",inline" collection:"3"`
} }
id, err = base.GetID(&DocWithString{Primary: stringbased.Primary{ID: "foobar"}})
assert.Equal(t, "foobar", id)
assert.Equal(t, primitive.ObjectID([12]byte{1, 2, 3, 4, 5, 6, 7, 8, 9, 0, 1, 2}), base.GetID(&DocWithObjectID{Primary: oidbased.Primary{ID: [12]byte{1, 2, 3, 4, 5, 6, 7, 8, 9, 0, 1, 2}}})) id, err = base.GetID(&DocWithCustomInterface{ID: 420})
assert.Equal(t, primitive.D{{"1", "2"}}, base.GetID(&DocWithObject{Primary: jsonbased.Primary{ID: primitive.D{{"1", "2"}}}})) assert.NoError(t, err)
assert.Equal(t, "foobar", base.GetID(&DocWithString{Primary: stringbased.Primary{ID: "foobar"}})) assert.Equal(t, 420, id)
assert.Equal(t, 420, base.GetID(&DocWithCustomInterface{ID: 420}))
} }

@ -1,40 +0,0 @@
package base
import (
"reflect"
"github.com/mainnika/mongox-go-driver/v2/mongox/base/protection"
)
// GetProtection function finds protection field in the source document otherwise returns nil
func GetProtection(source interface{}) (key *protection.Key) {
v := reflect.ValueOf(source)
if v.Kind() != reflect.Ptr || v.IsNil() {
return
}
el := v.Elem()
numField := el.NumField()
for i := 0; i < numField; i++ {
field := el.Field(i)
if !field.CanInterface() {
continue
}
switch field.Interface().(type) {
case *protection.Key:
key = field.Interface().(*protection.Key)
case protection.Key:
ptr := field.Addr()
key = ptr.Interface().(*protection.Key)
default:
continue
}
return
}
return
}

@ -0,0 +1,16 @@
package ifacebased
import (
"github.com/mainnika/mongox-go-driver/v2/mongox"
"github.com/modern-go/reflect2"
)
// GetID returns an _id from the source document
func GetID(source mongox.InterfaceBased) (id interface{}, err error) {
id = source.GetID()
if !reflect2.IsNil(id) {
return id, nil
}
return nil, mongox.ErrUninitializedBase
}

@ -1,24 +0,0 @@
package jsonbased
import (
"go.mongodb.org/mongo-driver/bson/primitive"
"github.com/mainnika/mongox-go-driver/v2/mongox"
)
var _ mongox.JSONBased = (*Primary)(nil)
// Primary is a structure with object as an _id field
type Primary struct {
ID primitive.D `bson:"_id" json:"_id"`
}
// GetID returns an _id
func (p *Primary) GetID() (id primitive.D) {
return p.ID
}
// SetID sets an _id
func (p *Primary) SetID(id primitive.D) {
p.ID = id
}

@ -22,3 +22,22 @@ func (p *Primary) GetID() (id primitive.ObjectID) {
func (p *Primary) SetID(id primitive.ObjectID) { func (p *Primary) SetID(id primitive.ObjectID) {
p.ID = id p.ID = id
} }
// Generate creates a new Primary structure with a new objectId
func Generate() Primary {
return Primary{ID: primitive.NewObjectID()}
}
// New creates a new Primary structure with a defined objectId
func New(id primitive.ObjectID) Primary {
return Primary{ID: id}
}
func GetID(source mongox.OIDBased) (id primitive.ObjectID, err error) {
id = source.GetID()
if id != primitive.NilObjectID {
return id, nil
}
return primitive.NilObjectID, mongox.ErrUninitializedBase
}

@ -12,24 +12,22 @@ import (
) )
func Test_GetID(t *testing.T) { func Test_GetID(t *testing.T) {
type DocWithObjectID struct { type DocWithObjectID struct {
oidbased.Primary `bson:",inline" json:",inline" collection:"1"` oidbased.Primary `bson:",inline" json:",inline" collection:"1"`
} }
doc := &DocWithObjectID{Primary: oidbased.Primary{ID: [12]byte{1, 2, 3, 4, 5, 6, 7, 8, 9, 0, 1, 2}}} doc := &DocWithObjectID{Primary: oidbased.New([12]byte{1, 2, 3, 4, 5, 6, 7, 8, 9, 0, 1, 2})}
assert.Equal(t, primitive.ObjectID([12]byte{1, 2, 3, 4, 5, 6, 7, 8, 9, 0, 1, 2}), doc.Primary.ID)
assert.Equal(t, primitive.ObjectID([12]byte{1, 2, 3, 4, 5, 6, 7, 8, 9, 0, 1, 2}), doc.GetID()) assert.Equal(t, primitive.ObjectID([12]byte{1, 2, 3, 4, 5, 6, 7, 8, 9, 0, 1, 2}), doc.GetID())
} }
func Test_SetID(t *testing.T) { func Test_SetID(t *testing.T) {
type DocWithObjectID struct { type DocWithObjectID struct {
oidbased.Primary `bson:",inline" json:",inline" collection:"1"` oidbased.Primary `bson:",inline" json:",inline" collection:"1"`
} }
doc := &DocWithObjectID{} doc := &DocWithObjectID{Primary: oidbased.Generate()}
doc.SetID([12]byte{1, 2, 3, 4, 5, 6, 7, 8, 9, 0, 1, 2}) doc.SetID([12]byte{1, 2, 3, 4, 5, 6, 7, 8, 9, 0, 1, 2})
assert.Equal(t, primitive.ObjectID([12]byte{1, 2, 3, 4, 5, 6, 7, 8, 9, 0, 1, 2}), doc.Primary.ID) assert.Equal(t, primitive.ObjectID([12]byte{1, 2, 3, 4, 5, 6, 7, 8, 9, 0, 1, 2}), doc.Primary.ID)
@ -37,7 +35,6 @@ func Test_SetID(t *testing.T) {
} }
func Test_SaveLoad(t *testing.T) { func Test_SaveLoad(t *testing.T) {
type DocWithObjectID struct { type DocWithObjectID struct {
oidbased.Primary `bson:",inline" json:",inline" collection:"1"` oidbased.Primary `bson:",inline" json:",inline" collection:"1"`
} }
@ -47,10 +44,10 @@ func Test_SaveLoad(t *testing.T) {
t.Fatal(err) t.Fatal(err)
} }
defer db.Close() defer func() { _ = db.Close() }()
doc1 := &DocWithObjectID{} doc1 := &DocWithObjectID{Primary: oidbased.Generate()}
doc2 := &DocWithObjectID{} doc2 := &DocWithObjectID{Primary: oidbased.Generate()}
err = db.SaveOne(doc1) err = db.SaveOne(doc1)
assert.NoError(t, err) assert.NoError(t, err)
@ -67,13 +64,12 @@ func Test_SaveLoad(t *testing.T) {
} }
func Test_Marshal(t *testing.T) { func Test_Marshal(t *testing.T) {
type DocWithObjectID struct { type DocWithObjectID struct {
oidbased.Primary `bson:",inline" json:",inline" collection:"1"` oidbased.Primary `bson:",inline" json:",inline" collection:"1"`
} }
id, _ := primitive.ObjectIDFromHex("feadbeeffeadbeeffeadbeef") id, _ := primitive.ObjectIDFromHex("feadbeeffeadbeeffeadbeef")
doc := &DocWithObjectID{Primary: oidbased.Primary{ID: id}} doc := &DocWithObjectID{Primary: oidbased.New(id)}
bytes, err := json.Marshal(doc) bytes, err := json.Marshal(doc)
assert.NoError(t, err) assert.NoError(t, err)

@ -1,6 +1,7 @@
package protection package protection
import ( import (
"reflect"
"time" "time"
"github.com/modern-go/reflect2" "github.com/modern-go/reflect2"
@ -13,9 +14,8 @@ type Key struct {
V int64 `bson:"_v" json:"_v"` V int64 `bson:"_v" json:"_v"`
} }
// PutToDocument extends the doc with protection key values // Inject extends the doc with protection key values
func (k *Key) PutToDocument(doc primitive.M) { func (k *Key) Inject(doc primitive.M) {
if reflect2.IsNil(doc) { if reflect2.IsNil(doc) {
return return
} }
@ -34,3 +34,35 @@ func (k *Key) Restate() {
k.X = primitive.NewObjectID() k.X = primitive.NewObjectID()
k.V = time.Now().Unix() k.V = time.Now().Unix()
} }
// Get finds protection field in the source document otherwise returns nil
func Get(source interface{}) (key *Key) {
v := reflect.ValueOf(source)
if v.Kind() != reflect.Ptr || v.IsNil() {
return nil
}
el := v.Elem()
numField := el.NumField()
for i := 0; i < numField; i++ {
field := el.Field(i)
if !field.CanInterface() {
continue
}
switch field.Interface().(type) {
case *Key:
key = field.Interface().(*Key)
case Key:
ptr := field.Addr()
key = ptr.Interface().(*Key)
default:
continue
}
return key
}
return nil
}

@ -0,0 +1,3 @@
package protection_test
// TODO:

@ -7,7 +7,6 @@ import (
// Reset function creates new zero object for the target pointer // Reset function creates new zero object for the target pointer
func Reset(target interface{}) (created bool) { func Reset(target interface{}) (created bool) {
type resetter interface { type resetter interface {
Reset() Reset()
} }

@ -20,3 +20,17 @@ func (p *Primary) GetID() (id string) {
func (p *Primary) SetID(id string) { func (p *Primary) SetID(id string) {
p.ID = id p.ID = id
} }
// New creates a new Primary structure with a defined _id
func New(id string) Primary {
return Primary{ID: id}
}
func GetID(source mongox.StringBased) (id string, err error) {
id = source.GetID()
if id != "" {
return id, nil
}
return "", mongox.ErrUninitializedBase
}

@ -11,23 +11,21 @@ import (
) )
func Test_GetID(t *testing.T) { func Test_GetID(t *testing.T) {
type DocWithString struct { type DocWithString struct {
stringbased.Primary `bson:",inline" json:",inline" collection:"1"` stringbased.Primary `bson:",inline" json:",inline" collection:"1"`
} }
doc := &DocWithString{Primary: stringbased.Primary{ID: "foobar"}} doc := &DocWithString{Primary: stringbased.New("foobar")}
assert.Equal(t, "foobar", doc.GetID()) assert.Equal(t, "foobar", doc.GetID())
} }
func Test_SetID(t *testing.T) { func Test_SetID(t *testing.T) {
type DocWithString struct { type DocWithString struct {
stringbased.Primary `bson:",inline" json:",inline" collection:"1"` stringbased.Primary `bson:",inline" json:",inline" collection:"1"`
} }
doc := &DocWithString{Primary: stringbased.Primary{ID: "foobar"}} doc := &DocWithString{Primary: stringbased.New("foobar")}
doc.SetID("rockrockrock") doc.SetID("rockrockrock")
@ -36,7 +34,6 @@ func Test_SetID(t *testing.T) {
} }
func Test_SaveLoad(t *testing.T) { func Test_SaveLoad(t *testing.T) {
type DocWithObjectID struct { type DocWithObjectID struct {
stringbased.Primary `bson:",inline" json:",inline" collection:"1"` stringbased.Primary `bson:",inline" json:",inline" collection:"1"`
} }
@ -46,9 +43,9 @@ func Test_SaveLoad(t *testing.T) {
t.Fatal(err) t.Fatal(err)
} }
defer db.Close() defer func() { _ = db.Close() }()
doc1 := &DocWithObjectID{Primary: stringbased.Primary{ID: "foobar"}} doc1 := &DocWithObjectID{Primary: stringbased.New("foobar")}
doc2 := &DocWithObjectID{} doc2 := &DocWithObjectID{}
err = db.SaveOne(doc1) err = db.SaveOne(doc1)
@ -66,12 +63,11 @@ func Test_SaveLoad(t *testing.T) {
} }
func Test_Marshal(t *testing.T) { func Test_Marshal(t *testing.T) {
type DocWithObjectID struct { type DocWithObjectID struct {
stringbased.Primary `bson:",inline" json:",inline" collection:"1"` stringbased.Primary `bson:",inline" json:",inline" collection:"1"`
} }
doc := &DocWithObjectID{Primary: stringbased.Primary{ID: "foobar"}} doc := &DocWithObjectID{Primary: stringbased.New("foobar")}
bytes, err := json.Marshal(doc) bytes, err := json.Marshal(doc)
assert.NoError(t, err) assert.NoError(t, err)

@ -0,0 +1,23 @@
package database
import (
"context"
)
type ctxDatabaseKey struct{}
// GetFromContext function extracts the request data from context
func GetFromContext(ctx context.Context) (q *Database, ok bool) {
q, ok = ctx.Value(ctxDatabaseKey{}).(*Database)
if !ok {
return nil, false
}
return q, true
}
// WithContext creates the new context with a database attached
func WithContext(ctx context.Context, q *Database) (withQuery context.Context) {
db := NewDatabase(ctx, q.Client(), q.Name())
return context.WithValue(ctx, ctxDatabaseKey{}, db)
}

@ -9,22 +9,29 @@ import (
// Count function counts documents in the database by query // Count function counts documents in the database by query
// target is used only to get collection by tag so it'd be better to use nil ptr here // target is used only to get collection by tag so it'd be better to use nil ptr here
func (d *Database) Count(target interface{}, filters ...interface{}) (result int64, err error) { func (d *Database) Count(target interface{}, filters ...interface{}) (result int64, err error) {
composed, err := query.Compose(filters...) composed, err := query.Compose(filters...)
if err != nil { if err != nil {
return return -1, err
} }
collection := d.GetCollectionOf(target) collection, err := d.GetCollectionOf(target)
if err != nil {
return -1, err
}
ctx := query.WithContext(d.Context(), composed) ctx := query.WithContext(d.Context(), composed)
m := composed.M()
opts := options.Count() opts := options.Count()
opts.Limit = composed.Limiter() opts.Limit = composed.Limiter()
opts.Skip = composed.Skipper() opts.Skip = composed.Skipper()
result, err = collection.CountDocuments(ctx, composed.M(), opts) defer func() { _ = composed.OnClose().Invoke(ctx, target) }()
_ = composed.OnClose().Invoke(ctx, target) result, err = collection.CountDocuments(ctx, m, opts)
if err != nil {
return -1, err
}
return return result, nil
} }

@ -0,0 +1,188 @@
package database
import (
"fmt"
"reflect"
"strconv"
"strings"
"go.mongodb.org/mongo-driver/bson/primitive"
"go.mongodb.org/mongo-driver/mongo/options"
"github.com/mainnika/mongox-go-driver/v2/mongox"
"github.com/mainnika/mongox-go-driver/v2/mongox/query"
)
func (d *Database) createCursor(target interface{}, composed *query.Query) (cursor *mongox.Cursor, err error) {
_, hasPreloader := composed.Preloader()
if hasPreloader {
return d.createAggregateCursor(target, composed)
}
return d.createSimpleCursor(target, composed)
}
func (d *Database) createSimpleCursor(target interface{}, composed *query.Query) (cursor *mongox.Cursor, err error) {
collection, err := d.GetCollectionOf(target)
if err != nil {
return nil, err
}
opts := options.Find()
opts.Sort = composed.Sorter()
opts.Limit = composed.Limiter()
opts.Skip = composed.Skipper()
ctx := d.Context()
m := composed.M()
return collection.Find(ctx, m, opts)
}
func (d *Database) createAggregateCursor(target interface{}, composed *query.Query) (cursor *mongox.Cursor, err error) {
collection, err := d.GetCollectionOf(target)
if err != nil {
return nil, err
}
pipeline := primitive.A{}
if !composed.Empty() {
pipeline = append(pipeline, primitive.M{"$match": composed.M()})
}
if composed.Sorter() != nil {
pipeline = append(pipeline, primitive.M{"$sort": composed.Sorter()})
}
if composed.Skipper() != nil {
pipeline = append(pipeline, primitive.M{"$skip": *composed.Skipper()})
}
if composed.Limiter() != nil {
pipeline = append(pipeline, primitive.M{"$limit": *composed.Limiter()})
}
el := reflect.ValueOf(target)
elType := el.Type()
if elType.Kind() == reflect.Ptr {
elType = elType.Elem()
}
numField := elType.NumField()
preloads, _ := composed.Preloader()
for i := 0; i < numField; i++ {
field := elType.Field(i)
tag := field.Tag
preloadTag, ok := tag.Lookup("preload")
if !ok {
continue
}
jsonTag, _ := tag.Lookup("json")
if jsonTag == "-" {
return nil, fmt.Errorf("%w: private field is not preloadable", mongox.ErrMalformedBase)
}
jsonData := strings.SplitN(jsonTag, ",", 2)
jsonName := field.Name
if len(jsonData) > 0 {
jsonName = strings.TrimSpace(jsonData[0])
}
preloadData := strings.Split(preloadTag, ",")
if len(preloadData) == 0 {
continue
}
if len(preloadData) == 1 {
return nil, fmt.Errorf("%w: foreign field is not specified", mongox.ErrMalformedBase)
}
foreignField := strings.TrimSpace(preloadData[1])
if len(foreignField) == 0 {
return nil, fmt.Errorf("%w: foreign field is empty", mongox.ErrMalformedBase)
}
localField := strings.TrimSpace(preloadData[0])
if len(localField) == 0 {
localField = "_id"
}
preloadLimiter := 100
preloadReversed := false
if len(preloadData) > 2 {
stringLimit := strings.TrimSpace(preloadData[2])
intLimit := preloadLimiter
preloadReversed = strings.HasPrefix(stringLimit, "-")
if preloadReversed {
stringLimit = stringLimit[1:]
}
intLimit, err = strconv.Atoi(stringLimit)
if err == nil {
preloadLimiter = intLimit
} else {
return nil, fmt.Errorf("%w: preload limit should be an integer", mongox.ErrMalformedBase)
}
}
for _, preload := range preloads {
if preload != jsonName {
continue
}
field := elType.Field(i)
fieldType := field.Type
isSlice := fieldType.Kind() == reflect.Slice
if isSlice {
fieldType = fieldType.Elem()
}
isPtr := fieldType.Kind() != reflect.Ptr
if isPtr {
return nil, fmt.Errorf("%w: preload field should have ptr type", mongox.ErrMalformedBase)
}
lookupCollection, err := d.GetCollectionOf(reflect.Zero(fieldType).Interface())
if err != nil {
return nil, err
}
lookupVars := primitive.M{"selector": "$" + localField}
lookupPipeline := primitive.A{
primitive.M{"$match": primitive.M{"$expr": primitive.M{"$eq": primitive.A{"$" + foreignField, "$$selector"}}}},
}
if preloadReversed {
lookupPipeline = append(lookupPipeline, primitive.M{"$sort": primitive.M{"_id": -1}})
}
if isSlice && preloadLimiter > 0 {
lookupPipeline = append(lookupPipeline, primitive.M{"$limit": preloadLimiter})
} else if !isSlice {
lookupPipeline = append(lookupPipeline, primitive.M{"$limit": 1})
}
pipeline = append(pipeline, primitive.M{
"$lookup": primitive.M{
"from": lookupCollection.Name(),
"let": lookupVars,
"pipeline": lookupPipeline,
"as": jsonName,
},
})
if isSlice {
continue
}
pipeline = append(pipeline, primitive.M{
"$unwind": primitive.M{
"preserveNullAndEmptyArrays": true,
"path": "$" + jsonName,
},
})
}
}
ctx := d.Context()
opts := options.Aggregate()
return collection.Aggregate(ctx, pipeline, opts)
}

@ -2,34 +2,27 @@ package database
import ( import (
"context" "context"
"fmt"
"reflect" "reflect"
"strconv"
"strings"
"go.mongodb.org/mongo-driver/bson/primitive"
"go.mongodb.org/mongo-driver/mongo/options"
"github.com/mainnika/mongox-go-driver/v2/mongox" "github.com/mainnika/mongox-go-driver/v2/mongox"
"github.com/mainnika/mongox-go-driver/v2/mongox/query"
) )
// Database handler // Database handler
type Database struct { type Database struct {
client *mongox.Client client *mongox.Client
dbname string name string
ctx context.Context ctx context.Context
} }
// NewDatabase function creates new database instance with mongo client and empty context // NewDatabase function creates new database instance with mongo client and empty context
func NewDatabase(client *mongox.Client, dbname string) (db mongox.Database) { func NewDatabase(ctx context.Context, client *mongox.Client, name string) (db mongox.Database) {
db = &Database{ db = &Database{
client: client, client: client,
dbname: dbname, name: name,
ctx: ctx,
} }
return return db
} }
// Client function returns a mongo client // Client function returns a mongo client
@ -37,213 +30,42 @@ func (d *Database) Client() (client *mongox.Client) {
return d.client return d.client
} }
// Context function returns a context
func (d *Database) Context() (ctx context.Context) {
ctx = d.ctx
if ctx == nil {
ctx = context.Background()
}
return
}
// Name function returns a database name // Name function returns a database name
func (d *Database) Name() (name string) { func (d *Database) Name() (name string) {
return d.dbname return d.name
} }
// New function creates new database context with same client // Context function returns a context
func (d *Database) New(ctx context.Context) (db mongox.Database) { func (d *Database) Context() (ctx context.Context) {
ctx = d.ctx
if ctx == nil { if ctx == nil {
ctx = context.Background() ctx = context.Background()
} }
db = &Database{ return ctx
client: d.client,
dbname: d.dbname,
ctx: ctx,
}
return
} }
// GetCollectionOf returns the collection object by the «collection» tag of the given document; // GetCollectionOf returns the collection object by the «collection» tag of the given document;
// the «collection» tag should exists, e.g.: //
// type Foobar struct { // example:
// base.ObjectID `bson:",inline" json:",inline" collection:"foobars"` // type Foobar struct {
// ... // base.ObjectID `bson:",inline" json:",inline" collection:"foobars"`
// Will panic if there is no «collection» tag // ...
func (d *Database) GetCollectionOf(document interface{}) (collection *mongox.Collection) { func (d *Database) GetCollectionOf(document interface{}) (collection *mongox.Collection, err error) {
el := reflect.TypeOf(document).Elem() el := reflect.TypeOf(document).Elem()
numField := el.NumField() numField := el.NumField()
databaseName := d.name
for i := 0; i < numField; i++ { for i := 0; i < numField; i++ {
field := el.Field(i) field := el.Field(i)
tag := field.Tag tag := field.Tag
found, ok := tag.Lookup("collection") collectionName, found := tag.Lookup("collection")
if !ok { if !found {
continue continue
} }
return d.client.Database(d.dbname).Collection(found) return d.client.Database(databaseName).Collection(collectionName), nil
}
panic(fmt.Errorf("document %v does not have a collection tag", document))
}
func (d *Database) createSimpleLoad(target interface{}, composed *query.Query) (cursor *mongox.Cursor, err error) {
collection := d.GetCollectionOf(target)
opts := options.Find()
opts.Sort = composed.Sorter()
opts.Limit = composed.Limiter()
opts.Skip = composed.Skipper()
return collection.Find(d.Context(), composed.M(), opts)
}
func (d *Database) createAggregateLoad(target interface{}, composed *query.Query) (cursor *mongox.Cursor, err error) {
collection := d.GetCollectionOf(target)
opts := options.Aggregate()
pipeline := primitive.A{}
if !composed.Empty() {
pipeline = append(pipeline, primitive.M{"$match": composed.M()})
}
if composed.Sorter() != nil {
pipeline = append(pipeline, primitive.M{"$sort": composed.Sorter()})
}
if composed.Skipper() != nil {
pipeline = append(pipeline, primitive.M{"$skip": *composed.Skipper()})
}
if composed.Limiter() != nil {
pipeline = append(pipeline, primitive.M{"$limit": *composed.Limiter()})
}
el := reflect.ValueOf(target)
elType := el.Type()
if elType.Kind() == reflect.Ptr {
elType = elType.Elem()
}
numField := elType.NumField()
preloads, _ := composed.Preloader()
for i := 0; i < numField; i++ {
field := elType.Field(i)
tag := field.Tag
preloadTag, ok := tag.Lookup("preload")
if !ok {
continue
}
jsonTag, _ := tag.Lookup("json")
if jsonTag == "-" {
panic(fmt.Errorf("preload private field is impossible"))
}
jsonData := strings.SplitN(jsonTag, ",", 2)
jsonName := field.Name
if len(jsonData) > 0 {
jsonName = strings.TrimSpace(jsonData[0])
}
preloadData := strings.Split(preloadTag, ",")
if len(preloadData) == 0 {
continue
}
if len(preloadData) == 1 {
panic(fmt.Errorf("there is no foreign field"))
}
localField := strings.TrimSpace(preloadData[0])
if len(localField) == 0 {
localField = "_id"
}
foreignField := strings.TrimSpace(preloadData[1])
if len(foreignField) == 0 {
panic(fmt.Errorf("there is no foreign field"))
}
preloadLimiter := 100
preloadReversed := false
if len(preloadData) > 2 {
stringLimit := strings.TrimSpace(preloadData[2])
intLimit := preloadLimiter
preloadReversed = strings.HasPrefix(stringLimit, "-")
if preloadReversed {
stringLimit = stringLimit[1:]
}
intLimit, err = strconv.Atoi(stringLimit)
if err == nil {
preloadLimiter = intLimit
}
}
for _, preload := range preloads {
if preload != jsonName {
continue
}
field := elType.Field(i)
fieldType := field.Type
isSlice := fieldType.Kind() == reflect.Slice
if isSlice {
fieldType = fieldType.Elem()
}
isPtr := fieldType.Kind() != reflect.Ptr
if isPtr {
panic(fmt.Errorf("preload field should have ptr type"))
}
lookupCollection := d.GetCollectionOf(reflect.Zero(fieldType).Interface())
lookupVars := primitive.M{"selector": "$" + localField}
lookupPipeline := primitive.A{
primitive.M{"$match": primitive.M{"$expr": primitive.M{"$eq": primitive.A{"$" + foreignField, "$$selector"}}}},
}
if preloadReversed {
lookupPipeline = append(lookupPipeline, primitive.M{"$sort": primitive.M{"_id": -1}})
}
if isSlice && preloadLimiter > 0 {
lookupPipeline = append(lookupPipeline, primitive.M{"$limit": preloadLimiter})
} else if !isSlice {
lookupPipeline = append(lookupPipeline, primitive.M{"$limit": 1})
}
pipeline = append(pipeline, primitive.M{
"$lookup": primitive.M{
"from": lookupCollection.Name(),
"let": lookupVars,
"pipeline": lookupPipeline,
"as": jsonName,
},
})
if isSlice {
continue
}
pipeline = append(pipeline, primitive.M{
"$unwind": primitive.M{
"preserveNullAndEmptyArrays": true,
"path": "$" + jsonName,
},
})
}
} }
return collection.Aggregate(d.Context(), pipeline, opts) return nil, mongox.ErrNoCollection
} }

@ -13,7 +13,6 @@ import (
// DeleteArray removes documents list from a database by their ids // DeleteArray removes documents list from a database by their ids
func (d *Database) DeleteArray(target interface{}, filters ...interface{}) (err error) { func (d *Database) DeleteArray(target interface{}, filters ...interface{}) (err error) {
targetV := reflect.ValueOf(target) targetV := reflect.ValueOf(target)
targetT := targetV.Type() targetT := targetV.Type()
@ -36,42 +35,43 @@ func (d *Database) DeleteArray(target interface{}, filters ...interface{}) (err
zeroElem := reflect.Zero(targetSliceElemT) zeroElem := reflect.Zero(targetSliceElemT)
targetLen := targetSliceV.Len() targetLen := targetSliceV.Len()
composed, err := query.Compose(filters...) collection, err := d.GetCollectionOf(zeroElem.Interface())
if err != nil { if err != nil {
return return err
} }
collection := d.GetCollectionOf(zeroElem.Interface()) composed, err := query.Compose(filters...)
ids := primitive.A{} if err != nil {
ctx := query.WithContext(d.Context(), composed) return err
for i := 0; i < targetLen; i++ {
elem := targetSliceV.Index(i)
ids = append(ids, base.GetID(elem.Interface()))
} }
defer func() { if targetLen > 0 {
invokerr := composed.OnClose().Invoke(ctx, target) var ids primitive.A
if err == nil { for i := 0; i < targetLen; i++ {
err = invokerr elem := targetSliceV.Index(i)
} elemID, err := base.GetID(elem.Interface())
if err != nil {
return return err
}() }
if len(ids) == 0 { ids = append(ids, elemID)
return fmt.Errorf("can't delete zero elements") }
composed.And(primitive.M{"_id": primitive.M{"$in": ids}})
} }
composed.And(primitive.M{"_id": primitive.M{"$in": ids}}) ctx := query.WithContext(d.Context(), composed)
m := composed.M()
opts := options.Delete()
defer func() { _ = composed.OnClose().Invoke(ctx, target) }()
result, err := collection.DeleteMany(ctx, composed.M(), options.Delete()) result, err := collection.DeleteMany(ctx, m, opts)
if err != nil { if err != nil {
return return fmt.Errorf("while deleting array: %w", err)
} }
if result.DeletedCount != int64(targetLen) { if result.DeletedCount != int64(targetLen) {
err = fmt.Errorf("can't verify delete result: removed count mismatch %d != %d", result.DeletedCount, targetLen) return fmt.Errorf("deleted count mismatch %d != %d", result.DeletedCount, targetLen)
} }
return return nil
} }

@ -2,6 +2,7 @@ package database
import ( import (
"fmt" "fmt"
"github.com/mainnika/mongox-go-driver/v2/mongox/base/protection"
"github.com/modern-go/reflect2" "github.com/modern-go/reflect2"
"go.mongodb.org/mongo-driver/bson/primitive" "go.mongodb.org/mongo-driver/bson/primitive"
@ -13,51 +14,53 @@ import (
// DeleteOne removes a document from a database and then returns it into target // DeleteOne removes a document from a database and then returns it into target
func (d *Database) DeleteOne(target interface{}, filters ...interface{}) (err error) { func (d *Database) DeleteOne(target interface{}, filters ...interface{}) (err error) {
composed, err := query.Compose(filters...) composed, err := query.Compose(filters...)
if err != nil { if err != nil {
return return err
} }
collection := d.GetCollectionOf(target) collection, err := d.GetCollectionOf(target)
protected := base.GetProtection(target) if err != nil {
ctx := query.WithContext(d.Context(), composed) return err
}
opts := options.FindOneAndDelete()
opts.Sort = composed.Sorter()
if !reflect2.IsNil(target) { if !reflect2.IsNil(target) {
composed.And(primitive.M{"_id": base.GetID(target)}) targetID, err := base.GetID(target)
if err != nil {
return err
}
composed.And(primitive.M{"_id": targetID})
} }
protected := protection.Get(target)
if protected != nil { if protected != nil {
query.Push(composed, protected) _, err := query.Push(composed, protected)
if err != nil {
return err
}
protected.Restate() protected.Restate()
} }
defer func() { ctx := query.WithContext(d.Context(), composed)
invokerr := composed.OnClose().Invoke(ctx, target) m := composed.M()
if err == nil { opts := options.FindOneAndDelete()
err = invokerr opts.Sort = composed.Sorter()
}
return defer func() { _ = composed.OnClose().Invoke(ctx, target) }()
}()
result := collection.FindOneAndDelete(ctx, composed.M(), opts) result := collection.FindOneAndDelete(ctx, m, opts)
if result.Err() != nil { if result.Err() != nil {
return fmt.Errorf("can't create find one and delete result: %w", result.Err()) return fmt.Errorf("can't create find one and delete result: %w", result.Err())
} }
err = result.Decode(target) err = result.Decode(target)
if err != nil { if err != nil {
return return fmt.Errorf("can't decode find one and delete result: %w", err)
} }
err = composed.OnDecode().Invoke(ctx, target) _ = composed.OnDecode().Invoke(ctx, target)
if err != nil {
return
}
return return nil
} }

@ -14,18 +14,21 @@ import (
) )
// IndexEnsure function ensures index in mongo collection of document // IndexEnsure function ensures index in mongo collection of document
// `index:""` -- https://docs.mongodb.com/manual/indexes/#create-an-index //
// `index:"-"` -- (descending) // `index:""` -- https://docs.mongodb.com/manual/indexes/#create-an-index
// `index:"-,+foo,+-bar"` -- https://docs.mongodb.com/manual/core/index-compound // `index:"-"` -- (descending)
// `index:"-,+foo,+-bar,unique"` -- https://docs.mongodb.com/manual/core/index-unique // `index:"-,+foo,+-bar"` -- https://docs.mongodb.com/manual/core/index-compound
// `index:"-,+foo,+-bar,unique,allowNull"` -- https://docs.mongodb.com/manual/core/index-partial // `index:"-,+foo,+-bar,unique"` -- https://docs.mongodb.com/manual/core/index-unique
// `index:"-,unique,allowNull,expireAfter=86400"` -- https://docs.mongodb.com/manual/core/index-ttl // `index:"-,+foo,+-bar,unique,allowNull"` -- https://docs.mongodb.com/manual/core/index-partial
// `index:"-,unique,allowNull,expireAfter={{.Expire}}"` -- evaluate index as a golang template with `cfg` arguments // `index:"-,unique,allowNull,expireAfter=86400"` -- https://docs.mongodb.com/manual/core/index-ttl
// `index:"-,unique,allowNull,expireAfter={{.Expire}}"` -- evaluate index as a golang template with `cfg` arguments
func (d *Database) IndexEnsure(cfg interface{}, document interface{}) (err error) { func (d *Database) IndexEnsure(cfg interface{}, document interface{}) (err error) {
el := reflect.ValueOf(document).Elem().Type() el := reflect.ValueOf(document).Elem().Type()
numField := el.NumField() numField := el.NumField()
documents := d.GetCollectionOf(document) collection, err := d.GetCollectionOf(document)
if err != nil {
return err
}
for i := 0; i < numField; i++ { for i := 0; i < numField; i++ {
@ -126,7 +129,7 @@ func (d *Database) IndexEnsure(cfg interface{}, document interface{}) (err error
} }
} }
_, err = documents.Indexes().CreateOne(d.Context(), mongo.IndexModel{Keys: index, Options: opts}) _, err = collection.Indexes().CreateOne(d.Context(), mongo.IndexModel{Keys: index, Options: opts})
if err != nil { if err != nil {
return return
} }

@ -1,6 +1,7 @@
package database_test package database_test
import ( import (
"github.com/stretchr/testify/require"
"testing" "testing"
"github.com/stretchr/testify/assert" "github.com/stretchr/testify/assert"
@ -142,7 +143,10 @@ func TestDatabase_Ensure(t *testing.T) {
err = db.IndexEnsure(tt.settings, tt.doc) err = db.IndexEnsure(tt.settings, tt.doc)
assert.NoError(t, err) assert.NoError(t, err)
indexes, _ := db.GetCollectionOf(tt.doc).Indexes().List(db.Context()) collection, err := db.GetCollectionOf(tt.doc)
require.NoError(t, err)
indexes, _ := collection.Indexes().List(db.Context())
index := new(map[string]interface{}) index := new(map[string]interface{})
indexes.Next(db.Context()) // skip _id_ indexes.Next(db.Context()) // skip _id_

@ -4,14 +4,12 @@ import (
"fmt" "fmt"
"reflect" "reflect"
"github.com/mainnika/mongox-go-driver/v2/mongox"
"github.com/mainnika/mongox-go-driver/v2/mongox/base" "github.com/mainnika/mongox-go-driver/v2/mongox/base"
"github.com/mainnika/mongox-go-driver/v2/mongox/query" "github.com/mainnika/mongox-go-driver/v2/mongox/query"
) )
// LoadArray loads an array of documents from the database by query // LoadArray loads an array of documents from the database by query
func (d *Database) LoadArray(target interface{}, filters ...interface{}) (err error) { func (d *Database) LoadArray(target interface{}, filters ...interface{}) (err error) {
targetV := reflect.ValueOf(target) targetV := reflect.ValueOf(target)
targetT := targetV.Type() targetT := targetV.Type()
@ -31,61 +29,36 @@ func (d *Database) LoadArray(target interface{}, filters ...interface{}) (err er
panic(fmt.Errorf("target slice should contain ptrs")) panic(fmt.Errorf("target slice should contain ptrs"))
} }
zeroElem := reflect.Zero(targetSliceElemT)
composed, err := query.Compose(filters...) composed, err := query.Compose(filters...)
if err != nil { if err != nil {
return return err
} }
zeroElem := reflect.Zero(targetSliceElemT)
_, hasPreloader := composed.Preloader()
ctx := query.WithContext(d.Context(), composed) ctx := query.WithContext(d.Context(), composed)
var result *mongox.Cursor defer func() { _ = composed.OnClose().Invoke(ctx, target) }()
var i int
defer func() {
if result != nil {
closerr := result.Close(ctx)
if err == nil {
err = closerr
}
}
invokerr := composed.OnClose().Invoke(ctx, target)
if err == nil {
err = invokerr
}
return
}()
if hasPreloader { cur, err := d.createCursor(zeroElem.Interface(), composed)
result, err = d.createAggregateLoad(zeroElem.Interface(), composed)
} else {
result, err = d.createSimpleLoad(zeroElem.Interface(), composed)
}
if err != nil { if err != nil {
err = fmt.Errorf("can't create find result: %w", err) return fmt.Errorf("can't create find result: %w", err)
return
} }
for i = 0; result.Next(ctx); i++ { defer func() { _ = cur.Close(ctx) }()
var i int
for i = 0; cur.Next(ctx); i++ {
var elem interface{} var elem interface{}
if i == targetSliceV.Len() { if i == targetSliceV.Len() {
value := reflect.New(targetSliceElemT.Elem()) value := reflect.New(targetSliceElemT.Elem())
elem = value.Interface() elem = value.Interface()
err = composed.OnCreate().Invoke(ctx, elem) _ = composed.OnCreate().Invoke(ctx, elem)
if err != nil {
return
}
err = result.Decode(elem) err = cur.Decode(elem)
if err != nil { if err != nil {
return return err
} }
targetSliceV = reflect.Append(targetSliceV, value) targetSliceV = reflect.Append(targetSliceV, value)
@ -93,26 +66,24 @@ func (d *Database) LoadArray(target interface{}, filters ...interface{}) (err er
elem = targetSliceV.Index(i).Interface() elem = targetSliceV.Index(i).Interface()
if created := base.Reset(elem); created { if created := base.Reset(elem); created {
err = composed.OnCreate().Invoke(ctx, elem) _ = composed.OnCreate().Invoke(ctx, elem)
}
if err != nil {
return
} }
err = result.Decode(elem) err = cur.Decode(elem)
if err != nil { if err != nil {
return return err
} }
} }
err = composed.OnDecode().Invoke(ctx, elem) _ = composed.OnDecode().Invoke(ctx, elem)
if err != nil { }
return err = cur.Err()
} if err != nil {
return err
} }
targetSliceV = targetSliceV.Slice(0, i) targetSliceV = targetSliceV.Slice(0, i)
targetV.Elem().Set(targetSliceV) targetV.Elem().Set(targetSliceV)
return return nil
} }

@ -1,8 +1,6 @@
package database package database
import ( import (
"fmt"
"github.com/mainnika/mongox-go-driver/v2/mongox" "github.com/mainnika/mongox-go-driver/v2/mongox"
"github.com/mainnika/mongox-go-driver/v2/mongox/base" "github.com/mainnika/mongox-go-driver/v2/mongox/base"
"github.com/mainnika/mongox-go-driver/v2/mongox/query" "github.com/mainnika/mongox-go-driver/v2/mongox/query"
@ -10,68 +8,39 @@ import (
// LoadOne function loads a first single target document by a query // LoadOne function loads a first single target document by a query
func (d *Database) LoadOne(target interface{}, filters ...interface{}) (err error) { func (d *Database) LoadOne(target interface{}, filters ...interface{}) (err error) {
composed, err := query.Compose(append(filters, query.Limit(1))...) composed, err := query.Compose(append(filters, query.Limit(1))...)
if err != nil { if err != nil {
return return err
} }
_, hasPreloader := composed.Preloader()
ctx := query.WithContext(d.Context(), composed) ctx := query.WithContext(d.Context(), composed)
var result *mongox.Cursor defer func() { _ = composed.OnClose().Invoke(ctx, target) }()
defer func() {
if result != nil {
closerr := result.Close(ctx)
if err == nil {
err = closerr
}
}
invokerr := composed.OnClose().Invoke(ctx, target)
if err == nil {
err = invokerr
}
return
}()
if hasPreloader { cur, err := d.createCursor(target, composed)
result, err = d.createAggregateLoad(target, composed)
} else {
result, err = d.createSimpleLoad(target, composed)
}
if err != nil { if err != nil {
return fmt.Errorf("can't create find result: %w", err) return err
} }
defer func() { _ = cur.Close(ctx) }()
hasNext := result.Next(ctx) hasNext := cur.Next(ctx)
if result.Err() != nil { if cur.Err() != nil {
err = result.Err() return cur.Err()
return
} }
if !hasNext { if !hasNext {
return mongox.ErrNoDocuments return mongox.ErrNoDocuments
} }
if created := base.Reset(target); created { if created := base.Reset(target); created {
err = composed.OnCreate().Invoke(ctx, target) _ = composed.OnCreate().Invoke(ctx, target)
}
if err != nil {
return
} }
err = result.Decode(target) err = cur.Decode(target)
if err != nil { if err != nil {
return return err
} }
err = composed.OnDecode().Invoke(ctx, target) _ = composed.OnDecode().Invoke(ctx, target)
if err != nil {
return
}
return return nil
} }

@ -1,36 +1,25 @@
package database package database
import ( import (
"fmt"
"github.com/mainnika/mongox-go-driver/v2/mongox" "github.com/mainnika/mongox-go-driver/v2/mongox"
"github.com/mainnika/mongox-go-driver/v2/mongox/query" "github.com/mainnika/mongox-go-driver/v2/mongox/query"
) )
// LoadStream function loads documents one by one into a target channel // LoadStream function loads documents one by one into a target channel
func (d *Database) LoadStream(target interface{}, filters ...interface{}) (loader mongox.StreamLoader, err error) { func (d *Database) LoadStream(target interface{}, filters ...interface{}) (loader mongox.StreamLoader, err error) {
composed, err := query.Compose(filters...) composed, err := query.Compose(filters...)
if err != nil { if err != nil {
return return
} }
_, hasPreloader := composed.Preloader()
ctx := query.WithContext(d.Context(), composed) ctx := query.WithContext(d.Context(), composed)
var cursor *mongox.Cursor cur, err := d.createCursor(target, composed)
if hasPreloader {
cursor, err = d.createAggregateLoad(target, composed)
} else {
cursor, err = d.createSimpleLoad(target, composed)
}
if err != nil { if err != nil {
err = fmt.Errorf("can't create find result: %w", err) return nil, err
return
} }
loader = &StreamLoader{cur: cursor, ctx: ctx, query: composed} loader = &StreamLoader{cur: cur, ctx: ctx, query: composed}
return return loader, nil
} }

@ -1,6 +1,7 @@
package database package database
import ( import (
"github.com/mainnika/mongox-go-driver/v2/mongox/base/protection"
"go.mongodb.org/mongo-driver/bson/primitive" "go.mongodb.org/mongo-driver/bson/primitive"
"go.mongodb.org/mongo-driver/mongo/options" "go.mongodb.org/mongo-driver/mongo/options"
@ -10,38 +11,37 @@ import (
// SaveOne saves a single source document to the database // SaveOne saves a single source document to the database
func (d *Database) SaveOne(source interface{}, filters ...interface{}) (err error) { func (d *Database) SaveOne(source interface{}, filters ...interface{}) (err error) {
collection, err := d.GetCollectionOf(source)
if err != nil {
return err
}
composed, err := query.Compose(filters...) composed, err := query.Compose(filters...)
if err != nil { if err != nil {
return return err
} }
collection := d.GetCollectionOf(source) id, err := base.GetID(source)
id := base.GetID(source) if err != nil {
protected := base.GetProtection(source) return err
ctx := query.WithContext(d.Context(), composed) }
composed.And(primitive.M{"_id": id}) composed.And(primitive.M{"_id": id})
opts := options.FindOneAndReplace() protected := protection.Get(source)
opts.SetUpsert(true)
opts.SetReturnDocument(options.After)
if protected != nil { if protected != nil {
query.Push(composed, protected) query.Push(composed, protected)
protected.Restate() protected.Restate()
} }
defer func() { ctx := query.WithContext(d.Context(), composed)
invokerr := composed.OnClose().Invoke(ctx, source) m := composed.M()
if err == nil { opts := options.FindOneAndReplace()
err = invokerr opts.SetUpsert(true)
} opts.SetReturnDocument(options.After)
return defer func() { _ = composed.OnClose().Invoke(ctx, source) }()
}()
result := collection.FindOneAndReplace(ctx, composed.M(), source, opts) result := collection.FindOneAndReplace(ctx, m, source, opts)
if result.Err() != nil { if result.Err() != nil {
return result.Err() return result.Err()
} }

@ -17,7 +17,6 @@ type StreamLoader struct {
// DecodeNextMsg decodes the next document to an interface or returns an error // DecodeNextMsg decodes the next document to an interface or returns an error
func (l *StreamLoader) DecodeNextMsg(i interface{}) (err error) { func (l *StreamLoader) DecodeNextMsg(i interface{}) (err error) {
err = l.Next() err = l.Next()
if err != nil { if err != nil {
return return
@ -33,41 +32,35 @@ func (l *StreamLoader) DecodeNextMsg(i interface{}) (err error) {
// DecodeMsg decodes the current cursor document into an interface // DecodeMsg decodes the current cursor document into an interface
func (l *StreamLoader) DecodeMsg(i interface{}) (err error) { func (l *StreamLoader) DecodeMsg(i interface{}) (err error) {
if created := base.Reset(i); created { if created := base.Reset(i); created {
err = l.query.OnDecode().Invoke(l.ctx, i) _ = l.query.OnDecode().Invoke(l.ctx, i)
} }
if err != nil { if err != nil {
return return err
} }
err = l.cur.Decode(i) err = l.cur.Decode(i)
if err != nil { if err != nil {
return return err
} }
err = l.query.OnDecode().Invoke(l.ctx, i) _ = l.query.OnDecode().Invoke(l.ctx, i)
if err != nil {
return
}
return return nil
} }
// Next loads next documents but doesn't perform decoding // Next loads next documents but doesn't perform decoding
func (l *StreamLoader) Next() (err error) { func (l *StreamLoader) Next() (err error) {
hasNext := l.cur.Next(l.ctx) hasNext := l.cur.Next(l.ctx)
err = l.cur.Err() err = l.cur.Err()
if err != nil { if err != nil {
return return err
} }
if !hasNext { if !hasNext {
err = mongox.ErrNoDocuments return mongox.ErrNoDocuments
} }
return return nil
} }
// Cursor returns the underlying cursor // Cursor returns the underlying cursor
@ -77,24 +70,21 @@ func (l *StreamLoader) Cursor() (cursor *mongox.Cursor) {
// Close stream loader and the underlying cursor // Close stream loader and the underlying cursor
func (l *StreamLoader) Close() (err error) { func (l *StreamLoader) Close() (err error) {
defer func() { _ = l.query.OnClose().Invoke(l.ctx, nil) }()
closerr := l.cur.Close(l.ctx) err = l.cur.Close(l.ctx)
invokerr := l.query.OnClose().Invoke(l.ctx, nil) if err != nil {
return err
if closerr != nil {
err = closerr
return
}
if invokerr != nil {
err = invokerr
return
} }
return return nil
} }
// Err returns the last error // Err returns the last error
func (l *StreamLoader) Err() (err error) { func (l *StreamLoader) Err() (err error) {
return l.cur.Err() return l.cur.Err()
} }
func (l *StreamLoader) Context() (ctx context.Context) {
return l.ctx
}

@ -1,72 +1,64 @@
package database package database
import ( import (
"github.com/mainnika/mongox-go-driver/v2/mongox/base/protection"
"github.com/modern-go/reflect2" "github.com/modern-go/reflect2"
"go.mongodb.org/mongo-driver/bson/primitive" "go.mongodb.org/mongo-driver/bson/primitive"
"go.mongodb.org/mongo-driver/mongo/options" "go.mongodb.org/mongo-driver/mongo/options"
"github.com/mainnika/mongox-go-driver/v2/mongox/base"
"github.com/mainnika/mongox-go-driver/v2/mongox/query" "github.com/mainnika/mongox-go-driver/v2/mongox/query"
) )
// UpdateOne updates a single document in the database and loads it into target // UpdateOne updates a single document in the database and loads it into target
func (d *Database) UpdateOne(target interface{}, filters ...interface{}) (err error) { func (d *Database) UpdateOne(target interface{}, filters ...interface{}) (err error) {
composed, err := query.Compose(filters...) composed, err := query.Compose(filters...)
if err != nil { if err != nil {
return return err
} }
updaterDoc, err := composed.Updater() update, err := composed.Updater()
if err != nil { if err != nil {
return return err
} }
collection := d.GetCollectionOf(target) protected := protection.Get(target)
protected := base.GetProtection(target)
ctx := query.WithContext(d.Context(), composed)
opts := options.FindOneAndUpdate()
opts.SetReturnDocument(options.After)
if protected != nil { if protected != nil {
if !protected.X.IsZero() { if !protected.X.IsZero() {
query.Push(composed, protected) query.Push(composed, protected)
} }
protected.Restate() protected.Restate()
setCmd, _ := updaterDoc["$set"].(primitive.M) setCmd, _ := update["$set"].(primitive.M)
if reflect2.IsNil(setCmd) { if reflect2.IsNil(setCmd) {
setCmd = primitive.M{} setCmd = primitive.M{}
} }
protected.PutToDocument(setCmd) protected.Inject(setCmd)
updaterDoc["$set"] = setCmd update["$set"] = setCmd
} }
defer func() { collection, err := d.GetCollectionOf(target)
invokerr := composed.OnClose().Invoke(ctx, target) if err != nil {
if err == nil { return err
err = invokerr }
}
ctx := query.WithContext(d.Context(), composed)
m := composed.M()
opts := options.FindOneAndUpdate()
opts.SetReturnDocument(options.After)
return defer func() { _ = composed.OnClose().Invoke(ctx, target) }()
}()
result := collection.FindOneAndUpdate(ctx, composed.M(), updaterDoc, opts) result := collection.FindOneAndUpdate(ctx, m, update, opts)
if result.Err() != nil { if result.Err() != nil {
return result.Err() return result.Err()
} }
err = result.Decode(target) err = result.Decode(target)
if err != nil { if err != nil {
return return err
} }
err = composed.OnDecode().Invoke(ctx, target) _ = composed.OnDecode().Invoke(ctx, target)
if err != nil {
return
}
return return nil
} }

@ -1,6 +1,8 @@
package mongox package mongox
import ( import (
"errors"
"go.mongodb.org/mongo-driver/mongo" "go.mongodb.org/mongo-driver/mongo"
) )
@ -18,3 +20,9 @@ var (
ErrWrongClient = mongo.ErrWrongClient ErrWrongClient = mongo.ErrWrongClient
ErrNoDocuments = mongo.ErrNoDocuments ErrNoDocuments = mongo.ErrNoDocuments
) )
var (
ErrMalformedBase = errors.New("source contains malformed document base")
ErrUninitializedBase = errors.New("uninitialized document")
ErrNoCollection = errors.New("no collection found")
)

@ -19,8 +19,7 @@ type Database interface {
Client() (client *Client) Client() (client *Client)
Context() (context context.Context) Context() (context context.Context)
Name() (name string) Name() (name string)
New(ctx context.Context) (db Database) GetCollectionOf(document interface{}) (collection *Collection, err error)
GetCollectionOf(document interface{}) (collection *Collection)
Count(target interface{}, filters ...interface{}) (count int64, err error) Count(target interface{}, filters ...interface{}) (count int64, err error)
DeleteArray(target interface{}, filters ...interface{}) (err error) DeleteArray(target interface{}, filters ...interface{}) (err error)
DeleteOne(target interface{}, filters ...interface{}) (err error) DeleteOne(target interface{}, filters ...interface{}) (err error)
@ -54,8 +53,8 @@ type StringBased interface {
SetID(id string) SetID(id string)
} }
// JSONBased is an interface for documents that have object type for the _id field // DocBased is an interface for documents that have object type for the _id field
type JSONBased interface { type DocBased interface {
GetID() (id primitive.D) GetID() (id primitive.D)
SetID(id primitive.D) SetID(id primitive.D)
} }

@ -18,9 +18,9 @@ func (c Callbacks) Invoke(ctx context.Context, iter interface{}) (err error) {
for _, cb := range c { for _, cb := range c {
err = cb(ctx, iter) err = cb(ctx, iter)
if err != nil { if err != nil {
return return err
} }
} }
return return nil
} }

@ -0,0 +1,58 @@
package query_test
import (
"context"
"fmt"
"testing"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/mock"
"github.com/mainnika/mongox-go-driver/v2/mongox/query"
)
func TestCallbacks_InvokeOk(t *testing.T) {
mocked := mock.Mock{}
var callbacks = query.Callbacks{
func(ctx context.Context, iter interface{}) (err error) {
return mocked.Called(ctx, iter).Error(0)
},
func(ctx context.Context, iter interface{}) (err error) {
return mocked.Called(ctx, iter).Error(0)
},
}
ctx := context.Background()
iter := int64(42)
mocked.On("func1", ctx, iter).Return(nil).Once()
mocked.On("func2", ctx, iter).Return(nil).Once()
assert.NoError(t, callbacks.Invoke(ctx, iter))
assert.True(t, mocked.AssertExpectations(t))
}
func TestCallbacks_InvokeStopIfError(t *testing.T) {
mocked := mock.Mock{}
var callbacks = query.Callbacks{
func(ctx context.Context, iter interface{}) (err error) {
return mocked.Called(ctx, iter).Error(0)
},
func(ctx context.Context, iter interface{}) (err error) {
t.FailNow()
return
},
}
ctx := context.Background()
iter := int(42)
mocked.On("func1", ctx, iter).Return(fmt.Errorf("wat"))
assert.EqualError(t, callbacks.Invoke(ctx, iter), "wat")
assert.True(t, mocked.AssertExpectations(t))
}

@ -9,13 +9,11 @@ import (
"github.com/mainnika/mongox-go-driver/v2/mongox/base/protection" "github.com/mainnika/mongox-go-driver/v2/mongox/base/protection"
) )
type applyFilterFunc = func(query *Query, filter interface{}) (ok bool) type applyFilterFunc func(query *Query, filter interface{}) (ok bool)
// Compose is a function to compose filters into a single query // Compose is a function to compose filters into a single query
func Compose(filters ...interface{}) (query *Query, err error) { func Compose(filters ...interface{}) (query *Query, err error) {
query = &Query{} query = &Query{}
for _, filter := range filters { for _, filter := range filters {
ok, err := Push(query, filter) ok, err := Push(query, filter)
if err != nil { if err != nil {
@ -26,25 +24,25 @@ func Compose(filters ...interface{}) (query *Query, err error) {
} }
} }
return return query, nil
} }
// Push applies single filter to a query // Push applies single filter to a query
func Push(query *Query, filter interface{}) (ok bool, err error) { func Push(query *Query, filter interface{}) (ok bool, err error) {
emptyFilter := reflect2.IsNil(filter)
ok = reflect2.IsNil(filter) if emptyFilter {
if ok { return true, nil
return
} }
validator, hasValidator := filter.(Validator) validator, hasValidator := filter.(Validator)
if hasValidator { if hasValidator {
err = validator.Validate() err := validator.Validate()
} if err != nil {
if err != nil { return false, fmt.Errorf("while validating filter %v, %w", filter, err)
return }
} }
ok = false // true if at least one filter was applied
for _, applier := range []applyFilterFunc{ for _, applier := range []applyFilterFunc{
applyBson, applyBson,
applyLimit, applyLimit,
@ -58,12 +56,11 @@ func Push(query *Query, filter interface{}) (ok bool, err error) {
ok = applier(query, filter) || ok ok = applier(query, filter) || ok
} }
return return ok, nil
} }
// applyBson is a fallback for a custom primitive.M // applyBson is a fallback for a custom primitive.M
func applyBson(query *Query, filter interface{}) (ok bool) { func applyBson(query *Query, filter interface{}) (ok bool) {
if filter, ok := filter.(primitive.M); ok { if filter, ok := filter.(primitive.M); ok {
query.And(filter) query.And(filter)
return true return true
@ -74,7 +71,6 @@ func applyBson(query *Query, filter interface{}) (ok bool) {
// applyLimits extends query with a limiter // applyLimits extends query with a limiter
func applyLimit(query *Query, filter interface{}) (ok bool) { func applyLimit(query *Query, filter interface{}) (ok bool) {
if filter, ok := filter.(Limiter); ok { if filter, ok := filter.(Limiter); ok {
query.limiter = filter query.limiter = filter
return true return true
@ -85,7 +81,6 @@ func applyLimit(query *Query, filter interface{}) (ok bool) {
// applySort extends query with a sort rule // applySort extends query with a sort rule
func applySort(query *Query, filter interface{}) (ok bool) { func applySort(query *Query, filter interface{}) (ok bool) {
if filter, ok := filter.(Sorter); ok { if filter, ok := filter.(Sorter); ok {
query.sorter = filter query.sorter = filter
return true return true
@ -96,7 +91,6 @@ func applySort(query *Query, filter interface{}) (ok bool) {
// applySkip extends query with a skip number // applySkip extends query with a skip number
func applySkip(query *Query, filter interface{}) (ok bool) { func applySkip(query *Query, filter interface{}) (ok bool) {
if filter, ok := filter.(Skipper); ok { if filter, ok := filter.(Skipper); ok {
query.skipper = filter query.skipper = filter
return true return true
@ -106,15 +100,12 @@ func applySkip(query *Query, filter interface{}) (ok bool) {
} }
func applyProtection(query *Query, filter interface{}) (ok bool) { func applyProtection(query *Query, filter interface{}) (ok bool) {
keyDoc := primitive.M{}
var keyDoc = primitive.M{}
switch filter := filter.(type) { switch filter := filter.(type) {
case protection.Key: case protection.Key:
filter.PutToDocument(keyDoc) filter.Inject(keyDoc)
case *protection.Key: case *protection.Key:
filter.PutToDocument(keyDoc) filter.Inject(keyDoc)
default: default:
return false return false
} }
@ -125,7 +116,6 @@ func applyProtection(query *Query, filter interface{}) (ok bool) {
} }
func applyPreloader(query *Query, filter interface{}) (ok bool) { func applyPreloader(query *Query, filter interface{}) (ok bool) {
if filter, ok := filter.(Preloader); ok { if filter, ok := filter.(Preloader); ok {
query.preloader = filter query.preloader = filter
return true return true
@ -135,7 +125,6 @@ func applyPreloader(query *Query, filter interface{}) (ok bool) {
} }
func applyUpdater(query *Query, filter interface{}) (ok bool) { func applyUpdater(query *Query, filter interface{}) (ok bool) {
if filter, ok := filter.(Updater); ok { if filter, ok := filter.(Updater); ok {
query.updater = filter query.updater = filter
return true return true
@ -145,12 +134,11 @@ func applyUpdater(query *Query, filter interface{}) (ok bool) {
} }
func applyCallbacks(query *Query, filter interface{}) (ok bool) { func applyCallbacks(query *Query, filter interface{}) (ok bool) {
switch callback := filter.(type) { switch callback := filter.(type) {
case OnDecode: case OnDecode:
query.ondecode = append(query.ondecode, Callback(callback)) query.onDecode = append(query.onDecode, Callback(callback))
case OnClose: case OnClose:
query.onclose = append(query.onclose, Callback(callback)) query.onClose = append(query.onClose, Callback(callback))
default: default:
return false return false
} }

@ -0,0 +1,128 @@
package query_test
import (
"testing"
"github.com/stretchr/testify/assert"
"go.mongodb.org/mongo-driver/bson/primitive"
"github.com/mainnika/mongox-go-driver/v2/mongox/base/protection"
"github.com/mainnika/mongox-go-driver/v2/mongox/query"
)
func TestPushBSON(t *testing.T) {
q := &query.Query{}
ok, err := query.Push(q, primitive.M{"foo": "bar"})
assert.True(t, ok)
assert.NoError(t, err)
assert.NotEmpty(t, q.M())
assert.Len(t, q.M()["$and"], 1)
assert.Contains(t, q.M()["$and"], primitive.M{"foo": "bar"})
ok, err = query.Push(q, primitive.M{"bar": "foo"})
assert.True(t, ok)
assert.NoError(t, err)
assert.NotEmpty(t, q.M())
assert.Len(t, q.M()["$and"], 2)
assert.Contains(t, q.M()["$and"], primitive.M{"foo": "bar"})
assert.Contains(t, q.M()["$and"], primitive.M{"bar": "foo"})
}
func TestPushLimiter(t *testing.T) {
q := &query.Query{}
lim := query.Limit(2)
ok, err := query.Push(q, lim)
assert.True(t, ok)
assert.NoError(t, err)
assert.NotNil(t, q.Limiter())
assert.EqualValues(t, q.Limiter(), query.Limit(2).Limit())
}
func TestPushSorter(t *testing.T) {
q := &query.Query{}
sort := query.Sort{"foo": 1}
ok, err := query.Push(q, sort)
assert.True(t, ok)
assert.NoError(t, err)
assert.NotNil(t, q.Sorter())
assert.EqualValues(t, q.Sorter(), primitive.M{"foo": 1})
}
func TestPushSkipper(t *testing.T) {
q := &query.Query{}
skip := query.Skip(66)
ok, err := query.Push(q, skip)
assert.True(t, ok)
assert.NoError(t, err)
assert.NotNil(t, q.Skipper())
assert.EqualValues(t, q.Skipper(), query.Skip(66).Skip())
}
func TestPushProtection(t *testing.T) {
t.Run("push protection key pointer", func(t *testing.T) {
q := &query.Query{}
protected := &protection.Key{V: 1, X: primitive.ObjectID{2}}
ok, err := query.Push(q, protected)
assert.True(t, ok)
assert.NoError(t, err)
assert.NotEmpty(t, q.M()["$and"])
assert.Contains(t, q.M()["$and"], primitive.M{"_x": primitive.ObjectID{2}, "_v": int64(1)})
})
t.Run("push protection key struct", func(t *testing.T) {
q := &query.Query{}
protected := protection.Key{V: 1, X: primitive.ObjectID{2}}
ok, err := query.Push(q, protected)
assert.True(t, ok)
assert.NoError(t, err)
assert.NotEmpty(t, q.M()["$and"])
assert.Contains(t, q.M()["$and"], primitive.M{"_x": primitive.ObjectID{2}, "_v": int64(1)})
})
t.Run("protection key is empty", func(t *testing.T) {
q := &query.Query{}
protected := &protection.Key{}
ok, err := query.Push(q, protected)
assert.True(t, ok)
assert.NoError(t, err)
assert.NotEmpty(t, q.M()["$and"])
assert.Contains(t, q.M()["$and"], primitive.M{"_x": primitive.M{"$exists": false}, "_v": primitive.M{"$exists": false}})
})
}
func TestPushPreloader(t *testing.T) {
q := &query.Query{}
preloader := query.Preload{"a", "b"}
ok, err := query.Push(q, preloader)
assert.True(t, ok)
assert.NoError(t, err)
p, hasPreloader := q.Preloader()
assert.NotNil(t, p)
assert.True(t, hasPreloader)
assert.EqualValues(t, p, query.Preload{"a", "b"})
}

@ -9,11 +9,14 @@ type ctxQueryKey struct{}
// GetFromContext function extracts the request data from context // GetFromContext function extracts the request data from context
func GetFromContext(ctx context.Context) (q *Query, ok bool) { func GetFromContext(ctx context.Context) (q *Query, ok bool) {
q, ok = ctx.Value(ctxQueryKey{}).(*Query) q, ok = ctx.Value(ctxQueryKey{}).(*Query)
return if !ok {
return nil, false
}
return q, true
} }
// WithContext function creates the new context with request data // WithContext function creates the new context with request data
func WithContext(ctx context.Context, q *Query) (withQuery context.Context) { func WithContext(ctx context.Context, q *Query) (withQuery context.Context) {
withQuery = context.WithValue(ctx, ctxQueryKey{}, q) return context.WithValue(ctx, ctxQueryKey{}, q)
return
} }

@ -12,13 +12,12 @@ var _ Limiter = Limit(0)
// Limit returns a limit // Limit returns a limit
func (l Limit) Limit() (limit *int64) { func (l Limit) Limit() (limit *int64) {
if l <= 0 { if l <= 0 {
return return nil
} }
limit = new(int64) limit = new(int64)
*limit = int64(l) *limit = int64(l)
return return limit
} }

@ -1,11 +1,11 @@
package query package query
// Preloader is a filter to skip the result // Preloader is a filter to preload the result
type Preloader interface { type Preloader interface {
Preload() (preloads []string) Preload() (preloads []string)
} }
// Preload is a simple implementation of the Skipper filter // Preload is a simple implementation of the Preloader filter
type Preload []string type Preload []string
var _ Preloader = Preload{} var _ Preloader = Preload{}

@ -15,35 +15,31 @@ type Query struct {
skipper Skipper skipper Skipper
preloader Preloader preloader Preloader
updater Updater updater Updater
ondecode Callbacks onDecode Callbacks
onclose Callbacks onClose Callbacks
oncreate Callbacks onCreate Callbacks
} }
// And function pushes the elem query to the $and array of the query // And function pushes the elem query to the $and array of the query
func (q *Query) And(elem primitive.M) (query *Query) { func (q *Query) And(elem primitive.M) (query *Query) {
if q.m == nil { if q.m == nil {
q.m = primitive.M{} q.m = primitive.M{}
} }
queries, exists := q.m["$and"].(primitive.A) queries, exists := q.m["$and"].(primitive.A)
if !exists { if !exists {
q.m["$and"] = primitive.A{elem} q.m["$and"] = primitive.A{elem}
return q return q
} }
q.m["$and"] = append(queries, elem) q.m["$and"] = append(queries, elem)
return q return q
} }
// Limiter returns limiter value or nil // Limiter returns limiter value or nil
func (q *Query) Limiter() (limit *int64) { func (q *Query) Limiter() (limit *int64) {
if q.limiter == nil { if q.limiter == nil {
return return nil
} }
return q.limiter.Limit() return q.limiter.Limit()
@ -51,9 +47,8 @@ func (q *Query) Limiter() (limit *int64) {
// Sorter is a sort rule for a query // Sorter is a sort rule for a query
func (q *Query) Sorter() (sort interface{}) { func (q *Query) Sorter() (sort interface{}) {
if q.sorter == nil { if q.sorter == nil {
return return nil
} }
return q.sorter.Sort() return q.sorter.Sort()
@ -61,9 +56,8 @@ func (q *Query) Sorter() (sort interface{}) {
// Skipper is a skipper for a query // Skipper is a skipper for a query
func (q *Query) Skipper() (skip *int64) { func (q *Query) Skipper() (skip *int64) {
if q.skipper == nil { if q.skipper == nil {
return return nil
} }
return q.skipper.Skip() return q.skipper.Skip()
@ -71,62 +65,57 @@ func (q *Query) Skipper() (skip *int64) {
// Updater is an update command for a query // Updater is an update command for a query
func (q *Query) Updater() (update primitive.M, err error) { func (q *Query) Updater() (update primitive.M, err error) {
if q.updater == nil { if q.updater == nil {
update = primitive.M{} return primitive.M{}, nil
return
} }
update = q.updater.Update() update = q.updater.Update()
if reflect2.IsNil(update) { if reflect2.IsNil(update) {
update = primitive.M{} return primitive.M{}, nil
return
} }
buffer := bytebufferpool.Get() buffer := bytebufferpool.Get()
defer bytebufferpool.Put(buffer) defer bytebufferpool.Put(buffer)
// convert update document to bson map values // convert update document to bson map values
buffer.Reset()
bsonBytes, err := bson.MarshalAppend(buffer.B, update) bsonBytes, err := bson.MarshalAppend(buffer.B, update)
if err != nil { if err != nil {
return return primitive.M{}, err
} }
update = primitive.M{} update = primitive.M{} // reset update map and unmarshal bson bytes to it again
err = bson.Unmarshal(bsonBytes, update) err = bson.Unmarshal(bsonBytes, update)
if err != nil { if err != nil {
return return primitive.M{}, err
} }
return return update, nil
} }
// Preloader is a preloader list for a query // Preloader is a preloader list for a query
func (q *Query) Preloader() (preloads []string, ok bool) { func (q *Query) Preloader() (preloads []string, ok bool) {
if q.preloader == nil { if q.preloader == nil {
return nil, false return nil, false
} }
preloads = q.preloader.Preload() preloads = q.preloader.Preload()
ok = len(preloads) > 0
return return preloads, len(preloads) > 0
} }
// OnDecode callback is called after the mongo decode function // OnDecode callback is called after the mongo decode function
func (q *Query) OnDecode() (callbacks Callbacks) { func (q *Query) OnDecode() (callbacks Callbacks) {
return q.ondecode return q.onDecode
} }
// OnClose callback is called after the mongox ends a loading procedure // OnClose callback is called after the mongox ends a loading procedure
func (q *Query) OnClose() (callbacks Callbacks) { func (q *Query) OnClose() (callbacks Callbacks) {
return q.onclose return q.onClose
} }
// OnCreate callback is called if the mongox creates a new document instance during loading // OnCreate callback is called if the mongox creates a new document instance during loading
func (q *Query) OnCreate() (callbacks Callbacks) { func (q *Query) OnCreate() (callbacks Callbacks) {
return q.onclose return q.onClose
} }
// Empty checks the query for any content // Empty checks the query for any content
@ -138,3 +127,8 @@ func (q *Query) Empty() (isEmpty bool) {
func (q *Query) M() (m primitive.M) { func (q *Query) M() (m primitive.M) {
return q.m return q.m
} }
// New creates a new query
func New() (query *Query) {
return &Query{}
}

@ -12,13 +12,12 @@ var _ Skipper = Skip(0)
// Skip returns a skip number // Skip returns a skip number
func (l Skip) Skip() (skip *int64) { func (l Skip) Skip() (skip *int64) {
if l <= 0 { if l <= 0 {
return return nil
} }
skip = new(int64) skip = new(int64)
*skip = int64(l) *skip = int64(l)
return return skip
} }

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