74 lines
1.5 KiB
Go
74 lines
1.5 KiB
Go
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package wmo
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import (
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"context"
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"go.mongodb.org/mongo-driver/bson"
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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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func (c *Coll[TData]) FindOne(ctx context.Context, filter bson.M) (TData, error) {
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var res TData
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err := c.coll.FindOne(ctx, filter).Decode(&res)
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if err != nil {
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return *new(TData), err
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}
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return res, nil
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}
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func (c *Coll[TData]) FindOneOpt(ctx context.Context, filter bson.M) (*TData, error) {
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var res TData
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err := c.coll.FindOne(ctx, filter).Decode(&res)
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if err == mongo.ErrNoDocuments {
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return nil, nil
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}
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if err != nil {
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return nil, err
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}
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return &res, nil
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}
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func (c *Coll[TData]) FindOneByID(ctx context.Context, id EntityID) (TData, error) {
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var res TData
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err := c.coll.FindOne(ctx, bson.M{"_id": id}).Decode(&res)
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if err != nil {
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return *new(TData), err
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}
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return res, nil
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}
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func (c *Coll[TData]) FindOneOptByID(ctx context.Context, id EntityID) (*TData, error) {
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var res TData
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err := c.coll.FindOne(ctx, bson.M{"_id": id}).Decode(&res)
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if err == mongo.ErrNoDocuments {
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return nil, nil
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}
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if err != nil {
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return nil, err
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}
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return &res, nil
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}
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func (c *Coll[TData]) Find(ctx context.Context, filter bson.M, opts ...*options.FindOptions) ([]TData, error) {
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cursor, err := c.coll.Find(ctx, filter, opts...)
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if err != nil {
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return nil, err
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}
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res := make([]TData, 0, cursor.RemainingBatchLength())
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err = cursor.All(ctx, &res)
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if err != nil {
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return nil, err
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}
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return res, nil
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}
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