[OU-ADD] intrastat_base: Migration scripts

Handle the change from boolean to selection on `instrastat` field
in account.fiscal.position.

TT49367

intrastat_base/migrations/16.0.1.0.0/post-migration.py

@@ -0,0 +1,28 @@
+# Copyright 2024 Tecnativa - Pedro M. Baeza
+# License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl.html).
+from openupgradelib import openupgrade
+
+
+@openupgrade.migrate()
+def migrate(env, version):
+    # Set proper values for new selection field
+    old_column = openupgrade.get_legacy_name("intrastat")
+    openupgrade.logged_query(
+        env.cr,
+        f"""
+        UPDATE account_fiscal_position
+        SET intrastat = CASE
+        WHEN NOT {old_column} THEN 'no'
+        ELSE 'b2b' END
+        """,
+    )
+    # Propagate proper values to the related field
+    openupgrade.logged_query(
+        env.cr,
+        """
+        UPDATE account_move am
+        SET intrastat_fiscal_position = afp.intrastat
+        FROM account_fiscal_position afp
+        WHERE afp.id = am.fiscal_position_id
+        """,
+    )

intrastat_base/migrations/16.0.1.0.0/pre-migration.py

@@ -0,0 +1,10 @@
+# Copyright 2024 Tecnativa - Pedro M. Baeza
+# License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl.html).
+from openupgradelib import openupgrade
+
+
+@openupgrade.migrate()
+def migrate(env, version):
+    openupgrade.rename_columns(
+        env.cr, {"account_fiscal_position": [("intrastat", None)]}
+    )