Make possible to disable sending a chat to email

src/mibew/js/source/chat/model_views/controls/send_mail.js

@@ -44,6 +44,17 @@
                 }
             ),
 
+            /**
+             * Override Backbone.Marionette.ItemView.serializeData to pass some
+             * extra fields to template.
+             * @returns {Object} Template data
+             */
+            serializeData: function() {
+                var data = this.model.toJSON();
+                data.user = Mibew.Objects.Models.user.toJSON();
+                return data;
+            },
+
             /**
              * Load and display send mail window
              */

src/mibew/libs/chat.php

@@ -411,6 +411,7 @@ function setup_chatview_for_user(
         'defaultName' => (bool) (getlocal("Guest") != $thread->userName),
         'canPost' => true,
         'isAgent' => false,
+        'canSendEmail' => (bool) (Settings::get('usercansendemail') == "1"),
     );
 
     // Set link to send mail page

src/mibew/libs/classes/Mibew/Controller/Chat/MailController.php

@@ -19,6 +19,7 @@
 
 namespace Mibew\Controller\Chat;
 
+use Mibew\Http\Exception\AccessDeniedException;
 use Mibew\Http\Exception\NotFoundException;
 use Mibew\Mail\Template as MailTemplate;
 use Mibew\Mail\Utils as MailUtils;
@@ -41,6 +42,12 @@ class MailController extends AbstractController
      */
     public function showFormAction(Request $request)
     {
+
+        // Check whether this feature is enabled at all
+        if (!Settings::get('usercansendemail')) {
+            throw new AccessDeniedException();
+        }
+
         $page = array(
             // Use errors list stored in the request. We need to do so to have
             // an ability to pass the request from the "submitForm" action.
@@ -85,6 +92,12 @@ class MailController extends AbstractController
      */
     public function submitFormAction(Request $request)
     {
+
+        // Check whether this feature is enabled at all
+        if (!Settings::get('usercansendemail')) {
+            throw new AccessDeniedException();
+        }
+
         $errors = array();
 
         $thread_id = $request->attributes->get('thread_id');

src/mibew/libs/classes/Mibew/Controller/Settings/FeaturesController.php

@@ -116,6 +116,7 @@ class FeaturesController extends AbstractController
         return array(
             'enableban',
             'usercanchangename',
+            'usercansendemail',
             'enablegroups',
             'enablegroupsisolation',
             'enablestatistics',

src/mibew/libs/classes/Mibew/Settings.php

@@ -86,6 +86,7 @@ class Settings
             'enablessl' => '0',
             'forcessl' => '0',
             'usercanchangename' => '1',
+            'usercansendemail' => '1',
             'enablegroups' => '0',
             'enablegroupsisolation' => '0',
             'enablestatistics' => '1',

src/mibew/styles/chats/dark/templates_src/client_side/chat/controls/send_mail.handlebars

@@ -1 +1,3 @@
+{{#if user.canSendEmail}}
 <div class="tpl-image" title="{{l10n "Send chat history by e-mail"}}"></div>
+{{/if}}

src/mibew/styles/chats/default/templates_src/client_side/chat/controls/send_mail.handlebars

@@ -1 +1,3 @@
+{{#if user.canSendEmail}}
 <div class="tpl-image" title="{{l10n "Send chat history by e-mail"}}"></div>
+{{/if}}

src/mibew/styles/pages/dark/templates_src/server_side/settings_features.handlebars

@@ -42,6 +42,15 @@
                                 <br clear="all"/>
                             </div>
 
+                            <div class="field">
+                                <label for="user-can-send-email" class="field-label">{{l10n "Allows users to send chat history by email"}}</label>
+                                <div class="field-value">
+                                    <input id="user-can-send-email" type="checkbox" name="usercansendemail" value="on"{{#if formusercansendemail}} checked="checked"{{/if}}{{#unless canmodify}} disabled="disabled"{{/unless}}/>
+                                </div>
+                                <label for="user-can-send-email" class="field-description"> &mdash; {{l10n "Turn off to disable user's ability to send chat history by email"}}</label>
+                                <br clear="all"/>
+                            </div>
+
                             <div class="field">
                                 <label for="enable-ssl" class="field-label">{{l10n "Allow secure connections (SSL)"}}</label>
                                 <div class="field-value">

src/mibew/styles/pages/default/templates_src/server_side/settings_features.handlebars

@@ -42,6 +42,15 @@
                                 <br clear="all"/>
                             </div>
 
+                            <div class="field">
+                                <label for="user-can-send-email" class="field-label">{{l10n "Allows users to send chat history by email"}}</label>
+                                <div class="field-value">
+                                    <input id="user-can-send-email" type="checkbox" name="usercansendemail" value="on"{{#if formusercansendemail}} checked="checked"{{/if}}{{#unless canmodify}} disabled="disabled"{{/unless}}/>
+                                </div>
+                                <label for="user-can-send-email" class="field-description"> &mdash; {{l10n "Turn off to disable user's ability to send chat history by email"}}</label>
+                                <br clear="all"/>
+                            </div>
+
                             <div class="field">
                                 <label for="enable-ssl" class="field-label">{{l10n "Allow secure connections (SSL)"}}</label>
                                 <div class="field-value">