Refresh config after action

extensions/web-base/www/app.html

@@ -219,7 +219,7 @@
       </section>
       <section v-if="actions.length > 0">
         <p>Action</p>
-        <button v-for="(action, index) in actions" v-if="action.active === true && !action.arguments" :title="action.description" v-on:click="triggerAction(index + 1)">{{ action.name }}</button>
+        <button v-for="(action, index) in actions" v-if="action.active === true && !action.arguments" :title="action.description" v-on:click="triggerAction(index)">{{ action.name }}</button>
       </section>
       <section v-if="schema">
         <json :name="'Configuration'" :obj="config" :schema="schema"></json>
@@ -266,7 +266,7 @@
     <article class="content">
       <section v-if="actions.length > 0">
         <p>Action</p>
-        <button v-for="(action, index) in actions" v-if="action.active === false && !action.arguments" :title="action.description" v-on:click="triggerAction(index + 1)">{{ action.name }}</button>
+        <button v-for="(action, index) in actions" v-if="action.active === false && !action.arguments" :title="action.description" v-on:click="triggerAction(index)">{{ action.name }}</button>
       </section>
       <section>
         <p>{{ info.name }}</p>

extensions/web-base/www/app/extensions.js

@@ -79,14 +79,32 @@ function onShowExtension(extensionId) {
   }));
 }
 
+function refreshConfig() {
+  return fetch('/engine/extensions/' + this.extensionId + '/config').then(getJson).then(function(config) {
+    this.config = config;
+  }.bind(this));
+}
+
 function triggerAction(index) {
-  return fetch('/engine/extensions/' + this.extensionId + '/action/' + index, {
+  console.info('triggerAction(' + index + ')');
+  var action = this.actions[index];
+  if (!action) {
+    return Promise.reject('No action #' + index);
+  }
+  return fetch('/engine/extensions/' + this.extensionId + '/action/' + (index + 1), {
     method: 'POST',
     headers: { "Content-Type": 'application/json' },
     body: '[]' // TODO ask arguments
-  }).then(assertIsOk).then(getResponseText).then(function(text) {
-    toaster.toast('Action triggered: ' + text);
-  });
+  }).then(assertIsOk).then(getJson).then(function(response) {
+    if (response.success) {
+      toaster.toast('Action triggered, ' + response.message);
+      if (action.active === false) {
+        refreshConfig.call(this);
+      }
+    } else {
+      toaster.toast('Action failed, ' + response.message);
+    }
+  }.bind(this));
 }
 
 new Vue({

lha/restEngine.lua

@@ -176,7 +176,7 @@ local REST_EXTENSIONS = {
           elseif (action.arguments and #action.arguments or 0) ~= (arguments and #arguments or 0) then
             HttpExchange.badRequest(exchange, 'The action arguments are invalid')
           else
-            return method(extension, arguments)
+            return utils.toResponse(method, extension, arguments)
           end
         else
           HttpExchange.notFound(exchange)

lha/utils.lua

@@ -2,6 +2,7 @@ local logger = require('jls.lang.logger'):get(...)
 local event = require('jls.lang.event')
 local system = require('jls.lang.system')
 local Promise = require('jls.lang.Promise')
+local Exception = require('jls.lang.Exception')
 local File = require('jls.io.File')
 local Date = require('jls.util.Date')
 local json = require('jls.util.json')
@@ -75,12 +76,41 @@ function utils.rejectIfNotOk(response)
   end)
 end
 
+local function toResponse(success, message)
+  return {
+    success = success == true,
+    message = tostring(message)
+  }
+end
+
+function utils.toResponse(v, ...)
+  if type(v) == 'function' then
+    local status, message = Exception.pcall(v, ...)
+    if not status then
+      return toResponse(status, message)
+    end
+    v = message
+  end
+  if type(v) == 'boolean' then
+    return toResponse(v, (...))
+  elseif v == nil then
+    return toResponse(false, (...))
+  elseif Promise.isPromise(v) then
+    return v:next(function(message)
+      return toResponse(true, message)
+    end, function(message)
+      return toResponse(false, message)
+    end);
+  end
+  return toResponse(true, v)
+end
+
 function utils.timeout(promise, delayMs, reason)
   return Promise:new(function(resolve, reject)
     local timer = event:setTimeout(function()
       reject(reason or 'timeout')
     end, delayMs or 30000)
-    promise:finally(function(...)
+    promise:finally(function()
       event:clearTimeout(timer)
     end)
     promise:next(resolve, reject)