[FIX] mail_compose_message: fixed mass_mail subscribing the author to all documents, not the case anymore; fixed access rule on mail_compose_message not taking into account the wizard creation in mass_mail_mode (model but no res_id -> could lead to crash).

bzr revid: tde@openerp.com-20130320135013-mryxzwssd346t78y

addons/mail/wizard/mail_compose_message.py

@@ -23,6 +23,7 @@ import base64
 import re
 from openerp import tools
 
+from openerp import SUPERUSER_ID
 from openerp.osv import osv
 from openerp.osv import fields
 from openerp.tools.safe_eval import safe_eval as eval
@@ -126,6 +127,31 @@ class mail_compose_message(osv.TransientModel):
         'partner_ids': lambda self, cr, uid, ctx={}: [],
     }
 
+    def check_access_rule(self, cr, uid, ids, operation, context=None):
+        """ Access rules of mail.compose.message:
+            - create: if
+                - model, no res_id, I create a message in mass mail mode
+            - then: fall back on mail.message acces rules
+        """
+        if uid == SUPERUSER_ID:
+            return
+        if isinstance(ids, (int, long)):
+            ids = [ids]
+
+        # Author condition (CREATE (mass_mail))
+        if operation == 'create':
+            # Read mail_compose_message.ids to have their values
+            message_values = {}
+            cr.execute('SELECT DISTINCT id, model, res_id FROM "%s" WHERE id = ANY (%%s) AND res_id = 0' % self._table, (ids,))
+            for id, rmod, rid in cr.fetchall():
+                message_values[id] = {'model': rmod, 'res_id': rid}
+
+            author_ids = [mid for mid, message in message_values.iteritems()
+                if message.get('model') and not message.get('res_id')]
+            ids = list(set(ids) - set(author_ids))
+
+        return super(mail_compose_message, self).check_access_rule(cr, uid, ids, operation, context=context)
+
     def _notify(self, cr, uid, newid, context=None):
         """ Override specific notify method of mail.message, because we do
             not want that feature in the wizard. """
@@ -218,8 +244,11 @@ class mail_compose_message(osv.TransientModel):
                     post_values.update(email_dict)
                 # post the message
                 subtype = 'mail.mt_comment'
-                if is_log or mass_mail_mode:
+                if is_log:  # log a note: subtype is False
                     subtype = False
+                elif mass_mail_mode:  # mass mail: is a log pushed to recipients, author not added
+                    subtype = False
+                    context['mail_create_nosubscribe'] = True
                 msg_id = active_model_pool.message_post(cr, uid, [res_id], type='comment', subtype=subtype, context=context, **post_values)
                 # mass_mailing: notify specific partners, because subtype was False, and no-one was notified
                 if mass_mail_mode and post_values['partner_ids']: