From b584462895567fbf7f6c052d05aabedce47d89ea Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jo=C3=ABl=20Grand-Guillaume?=
 <joel.grandguillaume@camptocamp.com>
Date: Fri, 12 Aug 2011 14:53:16 +0200
Subject: [PATCH] [ADD] Commit of the modules used by C2C to move in our new
 public branch (lp:c2c-addons/6.1  rev 2)

---
 base_product_merge/__init__.py                |   1 +
 base_product_merge/__openerp__.py             |  57 +++++
 base_product_merge/wizard/__init__.py         |   1 +
 .../wizard/base_product_merge.py              | 242 ++++++++++++++++++
 .../wizard/base_product_merge_view.xml        |  39 +++
 5 files changed, 340 insertions(+)
 create mode 100644 base_product_merge/__init__.py
 create mode 100644 base_product_merge/__openerp__.py
 create mode 100644 base_product_merge/wizard/__init__.py
 create mode 100644 base_product_merge/wizard/base_product_merge.py
 create mode 100644 base_product_merge/wizard/base_product_merge_view.xml

diff --git a/base_product_merge/__init__.py b/base_product_merge/__init__.py
new file mode 100644
index 000000000..35e5825cc
--- /dev/null
+++ b/base_product_merge/__init__.py
@@ -0,0 +1 @@
+import wizard
diff --git a/base_product_merge/__openerp__.py b/base_product_merge/__openerp__.py
new file mode 100644
index 000000000..8e4b97098
--- /dev/null
+++ b/base_product_merge/__openerp__.py
@@ -0,0 +1,57 @@
+# -*- coding: utf-8 -*-
+##############################################################################
+#
+# Copyright (c) 2011 Camptocamp SA (http://www.camptocamp.com)
+# All Right Reserved
+#
+# Author : Guewen Baconnier (Camptocamp)
+#
+# WARNING: This program as such is intended to be used by professional
+# programmers who take the whole responsability of assessing all potential
+# consequences resulting from its eventual inadequacies and bugs
+# End users who are looking for a ready-to-use solution with commercial
+# garantees and support are strongly adviced to contract a Free Software
+# Service Company
+#
+# This program is Free Software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License
+# as published by the Free Software Foundation; either version 2
+# 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 General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+#
+##############################################################################
+
+{
+    "name" : "Base Products Merge",
+    "version" : "1.0",
+    "author" : "Camptocamp",
+    "category" : "Generic Modules/Base",
+    "description":"""
+To merge 2 products, select them in the list view and execute the Action "Merge Products".
+
+The selected products are deactivated and a new one is created with :
+- When a value is the same on each resources : the value
+- When a value is different between the resources : you can choose the value to keep in a selection list
+- When a value is set on a resource and is empty on the second one : the value is set on the resource
+- All many2many relations of the 2 resources are created on the new resource.
+- All the one2many relations (invoices, sale_orders, ...) are updated in order to link to the new resource.
+
+""",
+    "website": "http://camptocamp.com",
+    "depends" : ['product'],
+    "init_xml" : [],
+    "demo_xml" : [],
+    "update_xml" : [
+        "wizard/base_product_merge_view.xml",
+    ],
+    "active": False,
+    "installable": True
+}
diff --git a/base_product_merge/wizard/__init__.py b/base_product_merge/wizard/__init__.py
new file mode 100644
index 000000000..31d078526
--- /dev/null
+++ b/base_product_merge/wizard/__init__.py
@@ -0,0 +1 @@
+import base_product_merge
diff --git a/base_product_merge/wizard/base_product_merge.py b/base_product_merge/wizard/base_product_merge.py
new file mode 100644
index 000000000..d89cef478
--- /dev/null
+++ b/base_product_merge/wizard/base_product_merge.py
@@ -0,0 +1,242 @@
+# -*- coding: utf-8 -*-
+# -*- coding: utf-8 -*-
+##############################################################################
+#
+# Copyright (c) 2011 Camptocamp SA
+# @author Guewen Baconnier
+# Original code from module base_partner_merge by Tiny and Camptocamp
+#
+# WARNING: This program as such is intended to be used by professional
+# programmers who take the whole responsability of assessing all potential
+# consequences resulting from its eventual inadequacies and bugs
+# End users who are looking for a ready-to-use solution with commercial
+# garantees and support are strongly adviced to contract a Free Software
+# Service Company
+#
+# This program is Free Software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License
+# as published by the Free Software Foundation; either version 2
+# 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 General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+#
+##############################################################################
+
+# TODO : create a base_merge module to provide abstractions for merges ?
+
+from osv import fields, osv
+from tools.translate import _
+import tools
+
+
+class base_product_merge(osv.osv_memory):
+    """
+    Merges two products
+    """
+    _name = 'base.product.merge'
+    _description = 'Merges two products'
+
+    _columns = {
+    }
+    
+    _values = {}
+
+    MERGE_SKIP_FIELDS = ['product_tmpl_id']
+
+    def _build_form(self, cr, uid, field_datas, value1, value2):
+        formxml = '''<?xml version="1.0"?>
+            <form string="%s">
+            <separator colspan="4" string="Select datas for new record"/>''' % _('Merge')
+        update_values = {}
+        update_fields = {}
+        columns = {}
+
+        for fid, fname, fdescription, ttype, required, relation, readonly in field_datas:
+            if fname in self.MERGE_SKIP_FIELDS:
+                continue
+
+            val1 = value1[fname]
+            val2 = value2[fname]
+            my_selection = []
+            size = 24
+
+            if (val1 and val2) and (val1 == val2):
+                if ttype in ('many2one'):
+                    update_values.update({fname: val1.id})
+                elif ttype in ('many2many'):
+                    update_values.update({fname: [(6, 0, map(lambda x: x.id, val1))]})
+                else:
+                    update_values.update({fname: val1})
+
+            if (val1 and val2) and (val1 != val2) and not readonly:
+                if ttype in ('char', 'text', 'selection'):
+                    my_selection = [(val1, val1), (val2, val2)]
+                    size = max(len(val1), len(val2))
+                if ttype in ('float', 'integer'):
+                    my_selection = [(str(val1), str(val1)), (str(val2), str(val2))]
+                if ttype in ('many2one'):
+                    my_selection = [(str(val1.id), val1.name),
+                                    (str(val2.id), val2.name)]
+                if ttype in ('many2many'):
+                    update_values.update({fname: [(6, 0, list(set(map(lambda x: x.id, val1 + val2))))]})
+                if my_selection:
+                    if not required:
+                        my_selection.append((False, ''))
+                    columns.update({fname: fields.selection(my_selection, fdescription, required=required, size=size)})
+                    update_fields.update({fname: {'string': fdescription, 'type': 'selection', 'selection': my_selection, 'required': required}})
+                    formxml += '\n<field name="%s"/><newline/>' % (fname,)
+            if (val1 and not val2) or (not val1 and val2):
+                if ttype == 'many2one':
+                    update_values.update({fname: val1 and val1.id or val2 and val2.id})
+                elif ttype == 'many2many':
+                    update_values.update({fname: [(6, 0, map(lambda x: x.id, val1 or val2))]})
+                elif ttype == 'one2many':
+                    #skip one2many values
+                    pass
+                else:
+                    update_values.update({fname: val1 or val2})
+
+        formxml += """
+        <separator colspan="4"/>
+        <group col="4" colspan="4">
+            <label string="" colspan="2"/>
+            <button special="cancel" string="Cancel" icon="gtk-cancel"/>
+            <button name="action_merge" string="Merge" type="object" icon="gtk-ok"/>
+        </group>
+        </form>"""
+        return formxml, update_fields, update_values, columns
+
+    def check_resources_to_merge(self, cr, uid, resource_ids, context):
+        """ Check validity of selected resources.
+         Hook for other checks
+        """
+        if not len(resource_ids) == 2:
+            raise osv.except_osv(_('Error!'), _('You must select only two resources'))
+        return True
+
+    def fields_view_get(self, cr, uid, view_id=None, view_type='form', context=None, toolbar=False, submenu=False):
+        res = super(base_product_merge, self).fields_view_get(cr, uid, view_id, view_type, context=context, toolbar=toolbar, submenu=submenu)
+        resource_ids = context.get('active_ids') or []
+
+        self.check_resources_to_merge(cr, uid, resource_ids, context)
+
+        if not len(resource_ids) == 2:
+            return res
+        obj = self.pool.get('product.product')
+        cr.execute("SELECT id, name, field_description, ttype, required, relation, readonly from ir_model_fields where model in ('product.product', 'product.template')")
+        field_datas = cr.fetchall()
+        obj1 = obj.browse(cr, uid, resource_ids[0], context=context)
+        obj2 = obj.browse(cr, uid, resource_ids[1], context=context)
+        myxml, merge_fields, self._values, columns = self._build_form(cr, uid, field_datas, obj1, obj2)
+        self._columns.update(columns)
+        res['arch'] = myxml
+        res['fields'] = merge_fields
+        return res
+
+    def cast_many2one_fields(self, cr, uid, data_record, context=None):
+        """ Some fields are many2one and the ORM expect them to be integer or in the form
+        'relation,1' wher id is the id.
+         As some fields are displayed as selection in the view, we cast them in integer.
+        """
+        cr.execute("SELECT name from ir_model_fields where model in ('product.product', 'product.template') and ttype='many2one'")
+        fields = cr.fetchall()
+        for field in fields:
+            if data_record.get(field[0], False):
+                data_record[field[0]] = int(data_record[field[0]])
+        return data_record
+
+    def action_merge(self, cr, uid, ids, context=None):
+        """
+        Merges two resources and create 3rd and changes references of old resources with new
+        @param self: The object pointer
+        @param cr: the current row, from the database cursor,
+        @param uid: the current user s ID for security checks,
+        @param ids: id of the wizard
+        @param context: A standard dictionary for contextual values
+
+        @return : dict to open the new product in a view
+        """
+        record_id = context and context.get('active_id', False) or False
+        pool = self.pool
+        if not record_id:
+            return {}
+        res = self.read(cr, uid, ids, context = context)[0]
+
+        res.update(self._values)
+        resource_ids = context.get('active_ids') or []
+        
+        self.check_resources_to_merge(cr, uid, resource_ids, context)
+
+        resource1 = resource_ids[0]
+        resource2 = resource_ids[1]
+
+        obj, obj_parent = pool.get('product.product'), pool.get('product.template')
+
+        remove_field = {}
+        # for uniqueness constraint: empty the field in the old resources
+        c_names = []
+        for check_obj in (obj, obj_parent):
+            if hasattr(check_obj, '_sql_constraints'):
+                remove_field = {}
+                for const in check_obj._sql_constraints:
+                    c_names.append(check_obj._name.replace('.', '_') + '_' + const[0])
+        if c_names:
+            c_names = tuple(map(lambda x: "'"+ x +"'", c_names))
+            cr.execute("""select column_name from \
+                        information_schema.constraint_column_usage u \
+                        join  pg_constraint p on (p.conname=u.constraint_name) \
+                        where u.constraint_name in (%s) and p.contype='u' """ % c_names)
+            for i in cr.fetchall():
+                remove_field[i[0]] = False
+
+        remove_field.update({'active': False})
+
+        obj.write(cr, uid, [resource1, resource2], remove_field, context=context)
+
+        res = self.cast_many2one_fields(cr, uid, res, context)
+
+        res_id = obj.create(cr, uid, res, context=context)
+
+        self.custom_updates(cr, uid, res_id, [resource1, resource2], context)
+
+        # For one2many fields on the resource
+        cr.execute("select name, model from ir_model_fields where relation in ('product.product', 'product.template') and ttype not in ('many2many', 'one2many');")
+        for name, model_raw in cr.fetchall():
+            if hasattr(pool.get(model_raw), '_auto'):
+                if not pool.get(model_raw)._auto:
+                    continue
+            elif hasattr(pool.get(model_raw), '_check_time'):
+                continue
+            else:
+                if hasattr(pool.get(model_raw), '_columns'):
+                    from osv import fields
+                    if pool.get(model_raw)._columns.get(name, False) and isinstance(pool.get(model_raw)._columns[name], fields.many2one):
+                        model = model_raw.replace('.', '_')
+                        if name not in self.MERGE_SKIP_FIELDS:
+                            cr.execute("update "+model+" set "+name+"="+str(res_id)+" where "+ tools.ustr(name) +" in ("+ tools.ustr(resource1) +", "+tools.ustr(resource2)+")")
+
+        value = {
+            'domain': str([('id', '=', res_id)]),
+            'view_type': 'form',
+            'view_mode': 'tree,form',
+            'res_model': 'product.product',
+            'view_id': False,
+            'type': 'ir.actions.act_window',
+            'res_id': res_id
+        }
+        return value
+
+    def custom_updates(self, cr, uid, resource_id, old_resources_ids, context):
+        """Hook for special updates on old resources and new resource
+        """
+        pass
+
+base_product_merge()
+
diff --git a/base_product_merge/wizard/base_product_merge_view.xml b/base_product_merge/wizard/base_product_merge_view.xml
new file mode 100644
index 000000000..fafb33554
--- /dev/null
+++ b/base_product_merge/wizard/base_product_merge_view.xml
@@ -0,0 +1,39 @@
+<?xml version="1.0"?>
+<openerp>
+    <data>
+
+        <record model="ir.ui.view" id="view_base_product_merge_form">
+            <field name="name">base.product.merge.form</field>
+            <field name="model">base.product.merge</field>
+            <field name="type">form</field>
+            <field name="arch" type="xml">
+                <form string="Merge Products">
+                    <label string="Merge Products"/>
+                    <button special="cancel" string="Cancel" icon="gtk-cancel"/>
+                </form>
+            </field>
+        </record>
+
+
+        <record id="action_base_product_merge_form" model="ir.actions.act_window">
+            <field name="name">Merge Products</field>
+            <field name="type">ir.actions.act_window</field>
+            <field name="res_model">base.product.merge</field>
+            <field name="view_type">form</field>
+            <field name="view_mode">form</field>
+            <field name="view_id" ref="view_base_product_merge_form"/>
+            <field name="target">new</field>
+        </record>
+
+        <record id="action_base_product_merge_form" model="ir.values">
+            <field name="model_id" ref="product.model_product_product" />
+            <field name="object" eval="1" />
+            <field name="name">Merge Products</field>
+            <field name="key2">client_action_multi</field>
+            <field name="value" eval="'ir.actions.act_window,' + str(ref('action_base_product_merge_form'))"/>
+            <field name="key">action</field>
+            <field name="model">product.product</field>
+        </record>
+
+    </data>
+</openerp>