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34 lines
942 B
34 lines
942 B
package common
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import (
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"github.com/mainnika/mongox-go-driver/mongox"
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"github.com/mainnika/mongox-go-driver/mongox/errors"
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"github.com/mainnika/mongox-go-driver/mongox/query"
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"go.mongodb.org/mongo-driver/mongo"
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"go.mongodb.org/mongo-driver/mongo/options"
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)
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// LoadOne function loads a first single target document by a query
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func LoadOne(db *mongox.Database, target interface{}, filters ...interface{}) error {
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collection := db.GetCollectionOf(target)
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opts := options.FindOne()
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composed := query.Compose(filters...)
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opts.Sort = composed.Sorter()
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result := collection.FindOne(db.Context(), composed.M(), opts)
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if result.Err() != nil {
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return errors.InternalErrorf("can't create find one result: %s", result.Err())
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}
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err := result.Decode(target)
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if err == mongo.ErrNoDocuments {
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return errors.NotFoundErrorf("%s", err)
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}
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if err != nil {
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return errors.InternalErrorf("can't decode desult: %s", err)
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}
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return nil
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}
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