codeword/internal/repository/promocode_stats.go
2024-03-03 21:26:46 +03:00

73 lines
1.5 KiB
Go

package repository
import (
"codeword/internal/models"
"context"
"go.mongodb.org/mongo-driver/bson"
"go.mongodb.org/mongo-driver/bson/primitive"
"go.mongodb.org/mongo-driver/mongo"
"go.mongodb.org/mongo-driver/mongo/options"
"time"
)
type StatsRepository struct {
mdb *mongo.Collection
}
func NewStatsRepository(deps Deps) *StatsRepository {
return &StatsRepository{mdb: deps.Mdb}
}
func (r *StatsRepository) UpdateStatistics(ctx context.Context, req *models.ActivateReq, promoCode *models.PromoCode, userID string) error {
filter := bson.M{"_id": promoCode.ID, "usageMap." + userID: bson.M{"$exists": true}}
count, err := r.mdb.CountDocuments(ctx, filter)
if err != nil {
return err
}
if count >= 1 {
return ErrPromoCodeAlreadyActivated
}
var key string
if req.FastLink != "" {
key = req.FastLink
} else {
key = req.Codeword
}
usage := models.Usage{
Key: key,
Time: time.Now(),
}
update := bson.M{
"$inc": bson.M{"usageCount": 1},
"$push": bson.M{
"usageMap." + userID: usage,
},
}
opts := options.Update().SetUpsert(true)
_, err = r.mdb.UpdateOne(ctx, bson.M{"_id": promoCode.ID}, update, opts)
return err
}
func (r *StatsRepository) GetStatistics(ctx context.Context, promoCodeID string) (*models.PromoCodeStats, error) {
objID, err := primitive.ObjectIDFromHex(promoCodeID)
if err != nil {
return nil, err
}
filter := bson.M{"_id": objID}
var promoCodeStats models.PromoCodeStats
err = r.mdb.FindOne(ctx, filter).Decode(&promoCodeStats)
if err != nil {
return nil, err
}
return &promoCodeStats, nil
}