[FIX] im_livechat: correct loader js code

addons/im_livechat/controllers/main.py

@@ -30,7 +30,8 @@ class LivechatController(http.Controller):
         username = kwargs.get("username", _("Visitor"))
         channel = request.env['im_livechat.channel'].sudo().browse(channel_id)
         info = request.env['im_livechat.channel'].get_livechat_info(channel.id, username=username)
-        return request.render('im_livechat.loader', {'info': info, 'web_session_required': True}) if info['available'] else False
+        js = request.render('im_livechat.loader', {'info': info, 'web_session_required': True})
+        return request.make_response(js, headers=[('Content-Type', 'application/javascript')])
 
     @http.route('/im_livechat/init', type='json', auth="public")
     def livechat_init(self, channel_id):

addons/im_livechat/models/im_livechat_channel.py

@@ -195,7 +195,7 @@ class ImLivechatChannel(models.Model):
     @api.model
     def get_livechat_info(self, channel_id, username='Visitor'):
         info = {}
-        info['available'] = len(self.browse(channel_id).get_available_users())
+        info['available'] = len(self.browse(channel_id).get_available_users()) > 0
         if info['available']:
             info['server_url'] = self.env['ir.config_parameter'].get_param('web.base.url')
             info['options'] = self.sudo().get_channel_infos(channel_id)

addons/im_livechat/views/im_livechat_channel_templates.xml

@@ -143,7 +143,6 @@
                 <t t-set="info" t-value="request.env['im_livechat.channel'].get_livechat_info(channel)"/>
             </t>
 
-            <t t-if="info['available']" t-translation="off">
                 document.addEventListener("DOMContentLoaded", function(event) {
                     <t t-if="web_session_required">
                     odoo.define('web.session', function (require) {
@@ -154,6 +153,7 @@
                     </t>
 
                     odoo.define('im_livechat.livesupport', function (require) {
+            <t t-if="info['available']" t-translation="off">
                         var im_livechat = require('im_livechat.im_livechat');
                         var button = new im_livechat.LivechatButton(
                             $('body'),
@@ -162,9 +162,9 @@
                         );
                         button.appendTo($('body'));
                         window.livechat_button = button;
+            </t>
                     });
                 });
-            </t>
         </template>