[IMP] website_mail: improved snippet to subscribe to a mail.group.

Main modifications :
- layout: input - button when not following, links (email - archives - unsubscribe) when following
- when adding your email, update all other subscribe snippets input in the page to avoid havign to re-type it
- management of fields of the record to subscribe to, used to have access to the alias of the group

1 files changed, 21 insertions, 9 deletions

diff --git a/addons/website_mail/controllers/main.py b/addons/website_mail/controllers/main.py
index a6b400ec4a1..49caf20f7ff 100644
--- a/addons/website_mail/controllers/main.py
+++ b/addons/website_mail/controllers/main.py
@@ -63,6 +63,7 @@ class WebsiteMail(http.Controller):
 
     @http.route(['/website_mail/is_follower'], type='json', auth="public", website=True)
     def call(self, model, id, **post):
+        id = int(id)
         cr, uid, context = request.cr, request.uid, request.context
 
         partner_obj = request.registry.get('res.partner')
@@ -76,17 +77,28 @@ class WebsiteMail(http.Controller):
             partner_id = users_obj.browse(cr, SUPERUSER_ID, uid, context).partner_id
         elif request.session.get('partner_id'):
             partner_id = partner_obj.browse(cr, SUPERUSER_ID, request.session.get('partner_id'), context)
-        
-        email = ""
-        is_follower = False
-        if partner_id:
-            email = partner_id and partner_id.email
-            is_follower = partner_id.id in [
-                fol.id for fol in obj.browse(cr, SUPERUSER_ID, id, context).message_follower_ids]
+        email = partner_id and partner_id.email or ""
 
-        return {
+        values = {
             'is_user': uid != public_id,
             'email': email,
-            'is_follower': is_follower
+            'is_follower': False,
         }
 
+        if not obj:
+            return values
+        obj_ids = obj.exists(cr, SUPERUSER_ID, [id], context=context)
+        if obj_ids:
+            if partner_id:
+                values['is_follower'] = len(
+                    request.registry['mail.followers'].search(
+                        cr, SUPERUSER_ID, [
+                            ('res_model', '=', 'mail.group'),
+                            ('res_id', '=', obj_ids[0]),
+                            ('partner_id', '=', partner_id.id)
+                        ], context=context)) == 1
+            if post.get('fields'):
+                record = obj.read(cr, SUPERUSER_ID, obj_ids[0], fields=post.get('fields'), context=context)
+                values.update(record)
+
+        return values