From db0f88479ecdce5ae998dbdc01b81bd3240ea712 Mon Sep 17 00:00:00 2001
From: Guewen Baconnier <guewen.baconnier@camptocamp.com>
Date: Tue, 30 Jun 2015 11:28:43 +0200
Subject: [PATCH] Hide models without an active field

---
 record_archiver/models/__init__.py        |  1 +
 record_archiver/models/ir_model.py        | 73 +++++++++++++++++++++++
 record_archiver/models/record_lifespan.py |  1 +
 3 files changed, 75 insertions(+)
 create mode 100644 record_archiver/models/ir_model.py

diff --git a/record_archiver/models/__init__.py b/record_archiver/models/__init__.py
index 17ec9c568..8637ee398 100644
--- a/record_archiver/models/__init__.py
+++ b/record_archiver/models/__init__.py
@@ -1,3 +1,4 @@
 from . import company
+from . import ir_model
 from . import res_config
 from . import record_lifespan
diff --git a/record_archiver/models/ir_model.py b/record_archiver/models/ir_model.py
new file mode 100644
index 000000000..a9162d1eb
--- /dev/null
+++ b/record_archiver/models/ir_model.py
@@ -0,0 +1,73 @@
+# -*- coding: utf-8 -*-
+#
+#
+#    Authors: Guewen Baconnier
+#    Copyright 2015 Camptocamp SA
+#
+#    This program is free software: you can redistribute it and/or modify
+#    it under the terms of the GNU Affero General Public License as
+#    published by the Free Software Foundation, either version 3 of the
+#    License, or (at your option) any later version.
+#
+#    This program is distributed in the hope that it will be useful,
+#    but WITHOUT ANY WARRANTY; without even the implied warranty of
+#    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+#    GNU Affero General Public License for more details.
+#
+#    You should have received a copy of the GNU Affero General Public License
+#    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+#
+#
+
+from openerp.osv import orm, fields
+
+
+class IrModel(orm.Model):
+    _inherit = 'ir.model'
+
+    def _compute_has_an_active_field(self, cr, uid, ids, name,
+                                     args, context=None):
+        res = {}
+        for model_id in ids:
+            active_field_ids = self.pool['ir.model.fields'].search(
+                cr, uid,
+                [('model_id', '=', model_id),
+                 ('name', '=', 'active'),
+                 ],
+                limit=1,
+                context=context)
+            res[model_id] = bool(active_field_ids)
+        return res
+
+    def _search_has_an_active_field(self, cr, uid, obj, name, args,
+                                    context=None):
+        if not len(args):
+            return []
+        fields_model = self.pool['ir.model.fields']
+        domain = []
+        for field, operator, value in args:
+            assert field == name
+            active_field_ids = fields_model.search(
+                cr, uid, [('name', '=', 'active')], context=context)
+            active_fields = fields_model.read(cr, uid, active_field_ids,
+                                              fields=['model_id'],
+                                              load='_classic_write',
+                                              context=context)
+            model_ids = [field['model_id'] for field in active_fields]
+            if operator == '=':
+                domain.append(('id', 'in', model_ids))
+            elif operator == '!=':
+                domain.append(('id', 'not in', model_ids))
+            else:
+                raise AssertionError('operator %s not allowed' % operator)
+        return domain
+
+    _columns = {
+        'has_an_active_field': fields.function(
+            _compute_has_an_active_field,
+            fnct_search=_search_has_an_active_field,
+            string='Has an active field',
+            readonly=True,
+            type='boolean',
+        ),
+    }
diff --git a/record_archiver/models/record_lifespan.py b/record_archiver/models/record_lifespan.py
index e6b1928dd..66cd222c4 100644
--- a/record_archiver/models/record_lifespan.py
+++ b/record_archiver/models/record_lifespan.py
@@ -43,6 +43,7 @@ class RecordLifespan(orm.Model):
             'ir.model',
             string='Model',
             required=True,
+            domain=[('has_an_active_field', '=', True)],
         ),
         'model': fields.related(
             'model_id', 'model',