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32 lines
808 B
32 lines
808 B
package database
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import (
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"fmt"
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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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"github.com/mainnika/mongox-go-driver/v2/mongox/query"
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)
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// Count function counts documents in the database by query
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// target is used only to get collection by tag so it'd be better to use nil ptr here
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func (d *Database) Count(target interface{}, filters ...interface{}) (int64, error) {
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collection := d.GetCollectionOf(target)
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opts := options.Count()
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composed := query.Compose(filters...)
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opts.Limit = composed.Limiter()
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opts.Skip = composed.Skipper()
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result, err := collection.CountDocuments(d.Context(), composed.M(), opts)
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if err == mongo.ErrNoDocuments {
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return 0, err
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}
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if err != nil {
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return 0, fmt.Errorf("can't decode desult: %w", err)
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}
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return result, nil
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}
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