Show config validation error

Author: Kirill89

bundle.yml

@@ -11,7 +11,8 @@ packages:
       - lib
 
     entries:
-      client/fontello
+      - client/fontello
+      - server/fontello
 
   lib:
     entries:

server/fontello/config.yml

@@ -0,0 +1,5 @@
+recursive: true
+public: false
+type:
+  widget_i18n: i18n/*.yml
+  widget_view: "*.jade"

server/fontello/font/generate.js

@@ -0,0 +1,36 @@
+// Handles requests for font generation
+//
+'use strict';
+
+
+const _             = require('lodash');
+const validator     = require('is-my-json-valid');
+const config_schema = require('../_lib/config_schema');
+
+
+module.exports = function (N, apiPath) {
+  const cfg_check = validator(config_schema, { verbose: true });
+
+  // Disable validation here to customize error message
+  N.validate(apiPath, { additionalProperties: true, properties: {} });
+
+
+  N.wire.before(apiPath, function validate(env) {
+    if (cfg_check(env.params)) return;
+
+    let message = [ env.t('err_cfg_validation') ].concat(_.map(
+      cfg_check.errors,
+      e => `- ${e.field} ${e.message}`
+    )).join('\n');
+
+    throw { code: N.io.CLIENT_ERROR, message };
+  });
+
+
+  N.wire.on(apiPath, function* request_font_generation(env) {
+    let params = { config: env.params };
+
+    yield N.wire.emit('internal:fontello.font_build', params);
+    env.res.id = params.fontId;
+  });
+};

server/fontello/font/generate/generate.js

@@ -0,0 +1,2 @@
+en-US:
+  err_cfg_validation: "Config validation error: "