55 lines
1.3 KiB
Go
55 lines
1.3 KiB
Go
package repository
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import (
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"codeword/internal/models"
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"context"
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"errors"
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"go.mongodb.org/mongo-driver/bson"
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"go.mongodb.org/mongo-driver/bson/primitive"
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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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"time"
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)
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var ErrDuplicateCodeword = errors.New("duplicate codeword")
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type PromoCodeRepository struct {
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mdb *mongo.Collection
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}
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func NewPromoCodeRepository(mdb *mongo.Collection) *PromoCodeRepository {
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indexModel := mongo.IndexModel{
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Keys: bson.D{
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{"codeword", 1},
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{"delete", 1},
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},
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Options: options.Index().SetUnique(true).SetPartialFilterExpression(bson.M{"delete": false}),
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}
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_, err := mdb.Indexes().CreateOne(context.Background(), indexModel)
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if err != nil {
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panic(err)
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}
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return &PromoCodeRepository{mdb: mdb}
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}
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func (r *PromoCodeRepository) CreatePromoCode(ctx context.Context, promoCode *models.PromoCode) (*models.PromoCode, error) {
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promoCode.CreatedAt = time.Now()
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promoCode.ID = primitive.NewObjectID()
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_, err := r.mdb.InsertOne(ctx, promoCode)
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if err != nil {
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if writeErr, ok := err.(mongo.WriteException); ok {
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for _, writeError := range writeErr.WriteErrors {
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if writeError.Code == 11000 {
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return nil, ErrDuplicateCodeword
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}
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}
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}
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return nil, err
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}
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return promoCode, nil
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}
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