refactor: move shared variables to repository.go file

repository/repository.go

@@ -0,0 +1,16 @@
+package repository
+
+import (
+	"errors"
+	"time"
+
+)
+var (
+	ErrDatabaseConn = errors.New("failed to begin transaction/connection with database")
+	ErrExecuteQuery = errors.New("failed to execute query")
+	ErrCommitQuery  = errors.New("failed to commit transaction")
+	ErrInvalidData  = errors.New("data sent to save is invalid")
+	ErrNotFound     = sql.ErrNoRows
+)
+
+var dateFormat = time.RFC3339

repository/users.go

@@ -171,10 +171,3 @@ func (r *UserRepository) Delete(u model.User) error {
 
 	return nil
 }
-
-var (
-	ErrNotFound    = sql.ErrNoRows
-	ErrInvalidData = errors.New("model was saved with invalid data")
-
-	repositoryDateFormat = time.RFC3339
-)