[ADD] b_shift: migrate shift status

The 'draft' status does not exist in 12.0. Shift in the 'draft' status
are moved to the 'cancel' status.

beesdoo_shift/migrations/12.0.1.0.0/pre-migration.py

@@ -0,0 +1,56 @@
+from openupgradelib import openupgrade
+
+
+xmlid_renames = [
+    # data/cron.xml
+    ('beesdoo_shift.ir_cron_check_non_validated_sheet',
+     'beesdoo_shift_attendance.ir_cron_check_non_validated_sheet'),
+    # data/email_template.xml
+    ('beesdoo_shift.email_template_non_validated_sheet',
+     'beesdoo_shift_attendance.email_template_non_validated_sheet'),
+    ('beesdoo_shift.email_template_non_attendance',
+     'beesdoo_shift_attendance.email_template_non_attendance'),
+    # data/system_parameter.xml
+    ('beesdoo_shift.card_support',
+     'beesdoo_shift_attendance.card_support'),
+    ('beesdoo_shift.attendance_sheet_generation_interval',
+     'beesdoo_shift_attendance.attendance_sheet_generation_interval'),
+    # security/group.xml
+    ('beesdoo_shift.group_shift_attendance_sheet',
+     'beesdoo_shift_attendance.group_shift_attendance_sheet'),
+    ('beesdoo_shift.group_shift_attendance_sheet_validation',
+     'beesdoo_shift_attendance.group_shift_attendance_sheet_validation'),
+]
+
+
+_config_param_renames = [
+    ('beesdoo_shift.default_task_type_id',
+     'beesdoo_shift_attendance.pre_filled_task_type_id'),
+]
+
+
+def rename_config_parameters(cr, keys_spec):
+    for (old, new) in keys_spec:
+        query = ("UPDATE ir_config_parameter SET key = %s "
+                 "WHERE key = %s")
+        openupgrade.logged_query(cr, query, (new, old))
+
+
+def fix_shift_status(cr):
+    """
+    The 'draft' status for the shift (a task) does not exist in 12.0. So
+    shift in this state will be moved to the 'cancel' state.
+    """
+    query = (
+        "UPDATE beesdoo_shift_shift SET state = 'cancel' "
+        "WHERE state = 'draft'"
+    )
+    openupgrade.logged_query(cr, query)
+
+
+@openupgrade.migrate()
+def migrate(env, version):
+    cr = env.cr
+    openupgrade.rename_xmlids(cr, xmlid_renames)
+    rename_config_parameters(cr, _config_param_renames)
+    fix_shift_status(cr)