[MIG+FIX+IMP] account_asset_management: Rework migration scripts + make asset group m2m

account_asset_management/migrations/12.0.1.0.0/pre-migration.py

@@ -0,0 +1,65 @@
+# Copyright 2019 Apps2GROW - Henrik Norlin
+# Copyright 2019 Tecnativa - Pedro M. Baeza
+# License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl.html).
+from openupgradelib import openupgrade
+
+_model_renames = [
+    ('account.asset.category', 'account.asset.profile'),
+    ('account.asset.depreciation.line', 'account.asset.line'),
+    ('account.asset.asset', 'account.asset'),
+]
+
+_table_renames = [
+    (old.replace('.', '_'), new.replace('.', '_'))
+    for (old, new) in _model_renames
+]
+
+_column_copies = {
+    'account_asset': [
+        ('method_number', None, None),
+        ('method_time', None, None),
+    ],
+    'account_asset_profile': [
+        ('method_number', None, None),
+        ('method_time', None, None),
+    ],
+}
+
+_column_renames = {
+    'account_asset': [
+        ('method_period', None),
+    ],
+    'account_asset_profile': [
+        ('method_period', None),
+    ],
+}
+
+_field_renames = [
+    ('account.asset', 'account_asset', 'category_id', 'profile_id'),
+    ('account.asset', 'account_asset', 'currency_id', 'company_currency_id'),
+    ('account.asset', 'account_asset', 'date', 'date_start'),
+    ('account.asset', 'account_asset', 'value', 'purchase_value'),
+    ('account.asset.line', 'account_asset_line',
+     'depreciation_date', 'line_date'),
+    ('account.asset.profile', 'account_asset_profile',
+     'account_depreciation_expense_id', 'account_expense_depreciation_id'),
+    ('account.invoice.line', 'account_invoice_line',
+     'asset_category_id', 'asset_profile_id'),
+]
+
+
+@openupgrade.migrate()
+def migrate(env, version):
+    cr = env.cr
+    if openupgrade.table_exists(cr, 'account_asset_asset'):
+        # `account_asset` module was installed in v11
+        if openupgrade.table_exists(cr, 'account_asset'):
+            # `account_asset_management` module also installed in v11
+            # TODO: Merge in existing tables assets if both module installed
+            pass
+        else:
+            openupgrade.rename_models(cr, _model_renames)
+            openupgrade.rename_tables(cr, _table_renames)
+            openupgrade.copy_columns(cr, _column_copies)
+            openupgrade.rename_columns(cr, _column_renames)
+            openupgrade.rename_fields(env, _field_renames)