erp5_web_renderjs_ui: relation field: do not crash the UI if there is an issue on server side

bt5/erp5_web_renderjs_ui/PathTemplateItem/web_page_module/rjs_gadget_erp5_relation_input_html.html

@@ -6,6 +6,8 @@
       data-i18n=Create New
       data-i18n=Explore the Search Result List
       data-i18n=Invalid search criteria
+      data-i18n=You are offline
+      data-i18n=Unexpected server error
     -->
     <meta http-equiv="Content-type" content="text/html; charset=utf-8" />
     <meta name="viewport" content="width=device-width" />

bt5/erp5_web_renderjs_ui/PathTemplateItem/web_page_module/rjs_gadget_erp5_relation_input_js.js

 /*jslint indent: 2, maxerr: 3, nomen: true, maxlen: 80 */
 /*global window, rJS, RSVP, URI,
- SimpleQuery, ComplexQuery, Query, QueryFactory, document*/
+ SimpleQuery, ComplexQuery, Query, QueryFactory, document, XMLHttpRequest,
+ console*/
 (function (window, rJS, RSVP, URI, document,
-  SimpleQuery, ComplexQuery, Query, QueryFactory) {
+  SimpleQuery, ComplexQuery, Query, QueryFactory, XMLHttpRequest, console) {
   "use strict";
 
   function displayNonEditableLink(gadget) {
@@ -419,6 +420,24 @@
                     return gadget.notifyInvalid(translation_list[0]);
                   });
               }
+              // do not crash interface if allDocs fails
+              if (error.target instanceof XMLHttpRequest) {
+                console.warn(error);
+                return gadget.getTranslationList([
+                  "You are offline",
+                  "Unexpected server error"
+                ])
+                  .push(function (translation_list) {
+                    if (error.target.status === 0) {
+                      return gadget.notifyInvalid(translation_list[0]);
+                    }
+                    if (error.target.status >= 500) {
+                      return gadget.notifyInvalid(translation_list[1]);
+                    }
+                    throw error;
+                  });
+              }
+              // Crash by default
               throw error;
             });
         });
@@ -568,4 +587,4 @@
     }, true, false);
 
 }(window, rJS, RSVP, URI, document,
-  SimpleQuery, ComplexQuery, Query, QueryFactory));
+  SimpleQuery, ComplexQuery, Query, QueryFactory, XMLHttpRequest, console));

bt5/erp5_web_renderjs_ui/PathTemplateItem/web_page_module/rjs_gadget_erp5_relation_input_js.xml

@@ -240,7 +240,7 @@
                   </item>
                   <item>
                       <key> <string>serial</string> </key>
-                      <value> <string>982.20937.32183.16281</string> </value>
+                      <value> <string>983.6083.54777.37051</string> </value>
                   </item>
                   <item>
                       <key> <string>state</string> </key>
@@ -258,7 +258,7 @@
                           </tuple>
                           <state>
                             <tuple>
-                              <float>1583405380.32</float>
+                              <float>1586446542.77</float>
                               <string>UTC</string>
                             </tuple>
                           </state>