fix: don't use collation for FindAllByReqHash (#153)

Author: victorkt

.github/workflows/dependabot.yml

@@ -1,4 +1,4 @@
-name: Dependabot mod & vendor fix
+name: Dependabot mod fix
 on:
   push:
     branches:

internal/flaggio/distribution.go

@@ -35,8 +35,8 @@ func (dl DistributionList) Evaluate(usrContext map[string]interface{}) (EvalResu
 
 // Distribute selects a distribution randomly, respecting the configured probability.
 func (dl DistributionList) Distribute() *Variant {
-	r1 := rand.New(rand.NewSource(time.Now().UnixNano()))
-	num := 1 + r1.Intn(100) // random int between 1 and 100
+	r1 := rand.New(rand.NewSource(time.Now().UnixNano())) // nolint:gosec // not security critical
+	num := 1 + r1.Intn(100)                               // random int between 1 and 100
 
 	var total int
 	for _, dstrbtn := range dl {

internal/repository/mongodb/evaluation.repository.go

@@ -77,8 +77,7 @@ func (r *EvaluationRepository) FindAllByReqHash(ctx context.Context, reqHash str
 
 	filter := bson.M{"requestHash": reqHash}
 	cursor, err := r.col.Find(ctx, filter, &options.FindOptions{
-		Sort:      bson.M{"flagKey": 1},
-		Collation: &options.Collation{Locale: "en"},
+		Sort: bson.M{"flagKey": 1},
 	})
 	if err != nil {
 		return nil, err
@@ -242,6 +241,14 @@ func NewEvaluationRepository(ctx context.Context, db *mongo.Database) (repositor
 			Keys:    bson.D{{Key: "userId", Value: 1}, {Key: "flagId", Value: 1}},
 			Options: options.Index().SetUnique(true).SetBackground(false),
 		},
+		{
+			Keys:    bson.D{{Key: "requestHash", Value: 1}},
+			Options: options.Index().SetBackground(true),
+		},
+		{
+			Keys:    bson.D{{Key: "flagId", Value: 1}},
+			Options: options.Index().SetBackground(true),
+		},
 	})
 	if err != nil {
 		return nil, err