You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
53 lines
867 B
53 lines
867 B
package query
|
|
|
|
import (
|
|
"github.com/mainnika/mongox-go-driver/mongox/errors"
|
|
"github.com/mongodb/mongo-go-driver/bson"
|
|
)
|
|
|
|
// ComposeQuery is a function to compose filters into a single query
|
|
func Compose(filters ...interface{}) *Query {
|
|
|
|
q := &Query{}
|
|
|
|
for _, f := range filters {
|
|
|
|
ok := false
|
|
ok = ok || applyBson(q, f)
|
|
ok = ok || applyLimits(q, f)
|
|
|
|
if !ok {
|
|
panic(errors.InternalErrorf("unknown filter %v", f))
|
|
}
|
|
}
|
|
|
|
return q
|
|
}
|
|
|
|
// applyBson is a fallback for a custom bson.M
|
|
func applyBson(q *Query, f interface{}) bool {
|
|
|
|
switch f := f.(type) {
|
|
case bson.M:
|
|
q.And(f)
|
|
default:
|
|
return false
|
|
}
|
|
|
|
return true
|
|
}
|
|
|
|
// applyLimits extends query with contol functions
|
|
func applyLimits(q *Query, f interface{}) bool {
|
|
|
|
switch f := f.(type) {
|
|
case Limiter:
|
|
q.limiter = f
|
|
case Sorter:
|
|
q.sorter = f
|
|
default:
|
|
return false
|
|
}
|
|
|
|
return true
|
|
}
|
|
|