Merge pull request #4780 from luisramos0/bulk_prod_errors

Fix javascript logic that parses server errors in the bulk product edit page

app/assets/javascripts/admin/utils/services/errors_parser.js.coffee

@@ -0,0 +1,21 @@
+# Parses a structure of errors that came from the server
+angular.module("admin.utils").factory "ErrorsParser", ->
+  new class ErrorsParser
+    toString: (errors, defaultContent = "") =>
+      return defaultContent unless errors?
+
+      errorsString = ""
+      if errors.length > 0
+        # it is an array of errors
+        errorsString = errors.join("\n") + "\n"
+      else
+        # it is a hash of errors
+        keys = Object.keys(errors)
+        for key in keys
+          errorsString += errors[key].join("\n") + "\n"
+
+      this.defaultIfEmpty(errorsString, defaultContent)
+
+    defaultIfEmpty: (content, defaultContent) =>
+      return defaultContent if content == ""
+      content