Mike Schwörer
55ff89f179
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79 lines
2.3 KiB
Go
79 lines
2.3 KiB
Go
package wmo
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import (
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"context"
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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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"git.blackforestbytes.com/BlackForestBytes/goext/exerr"
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"git.blackforestbytes.com/BlackForestBytes/goext/langext"
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)
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func (c *Coll[TData]) Aggregate(ctx context.Context, pipeline mongo.Pipeline, opts ...*options.AggregateOptions) ([]TData, error) {
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for _, ppl := range c.extraModPipeline {
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pipeline = langext.ArrConcat(pipeline, ppl(ctx))
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}
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cursor, err := c.coll.Aggregate(ctx, pipeline, opts...)
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if err != nil {
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return nil, exerr.Wrap(err, "mongo-aggregation failed").Any("pipeline", pipeline).Any("options", opts).Str("collection", c.Name()).Build()
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}
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defer func() { _ = cursor.Close(ctx) }()
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res, err := c.decodeAll(ctx, cursor)
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if err != nil {
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return nil, exerr.Wrap(err, "failed to decode values").Build()
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}
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return res, nil
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}
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func (c *Coll[TData]) AggregateOneOpt(ctx context.Context, pipeline mongo.Pipeline, opts ...*options.AggregateOptions) (*TData, error) {
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for _, ppl := range c.extraModPipeline {
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pipeline = langext.ArrConcat(pipeline, ppl(ctx))
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}
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cursor, err := c.coll.Aggregate(ctx, pipeline, opts...)
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if err != nil {
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return nil, exerr.Wrap(err, "mongo-aggregation failed").Any("pipeline", pipeline).Any("options", opts).Str("collection", c.Name()).Build()
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}
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defer func() { _ = cursor.Close(ctx) }()
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if cursor.Next(ctx) {
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v, err := c.decodeSingle(ctx, cursor)
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if err != nil {
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return nil, exerr.Wrap(err, "failed to decode single value").Build()
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}
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return &v, nil
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}
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return nil, nil
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}
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func (c *Coll[TData]) AggregateOne(ctx context.Context, pipeline mongo.Pipeline, opts ...*options.AggregateOptions) (TData, error) {
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for _, ppl := range c.extraModPipeline {
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pipeline = langext.ArrConcat(pipeline, ppl(ctx))
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}
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cursor, err := c.coll.Aggregate(ctx, pipeline, opts...)
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if err != nil {
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return *new(TData), exerr.Wrap(err, "mongo-aggregation failed").Any("pipeline", pipeline).Any("options", opts).Str("collection", c.Name()).Build()
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}
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defer func() { _ = cursor.Close(ctx) }()
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if cursor.Next(ctx) {
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v, err := c.decodeSingle(ctx, cursor)
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if err != nil {
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return *new(TData), exerr.Wrap(err, "failed to decode single value").Build()
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}
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return v, nil
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}
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return *new(TData), exerr.Wrap(mongo.ErrNoDocuments, "no document in result").Build()
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}
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