Organize backend into product executable and shared Go modules

backend/shared/database/query/array.go

@@ -0,0 +1,26 @@
+package mutil
+
+import (
+	"context"
+	sharedmodel "git.sendico.io/tech/sxchnge/shared/model"
+
+	"git.sendico.io/tech/sxchnge/shared/database/repository"
+	"git.sendico.io/tech/sxchnge/shared/database/repository/builder"
+	"git.sendico.io/tech/sxchnge/shared/logging"
+	"go.mongodb.org/mongo-driver/v2/mongo"
+	"go.uber.org/zap"
+)
+
+func GetObjects[T any](ctx context.Context, logger mlogger.Logger, filter builder.Query, cursor *sharedmodel.ViewCursor, repo repository.Repository) ([]T, error) {
+	entities := make([]T, 0)
+	decoder := func(cur *mongo.Cursor) error {
+		var next T
+		if e := cur.Decode(&next); e != nil {
+			logger.Warn("Failed to decode entity", zap.Error(e))
+			return e
+		}
+		entities = append(entities, next)
+		return nil
+	}
+	return entities, repo.FindManyByFilter(ctx, repository.ApplyCursor(filter, cursor), decoder)
+}