From 9eb75081741e9673b36cb855bf27659137ceaaa4 Mon Sep 17 00:00:00 2001
From: hackzoho <91518395+hackzoho@users.noreply.github.com>
Date: Sat, 2 Oct 2021 21:46:22 +0530
Subject: [PATCH] Oracle to h2DB migration in python

---
 src/chit_main_app/migrations/Oracle_h2.py | 29 +++++++++++++++++++++++
 1 file changed, 29 insertions(+)
 create mode 100644 src/chit_main_app/migrations/Oracle_h2.py

diff --git a/src/chit_main_app/migrations/Oracle_h2.py b/src/chit_main_app/migrations/Oracle_h2.py
new file mode 100644
index 0000000..1faa105
--- /dev/null
+++ b/src/chit_main_app/migrations/Oracle_h2.py
@@ -0,0 +1,29 @@
+#file for oracle db migration
+from __future__ import with_statement
+from fabric.api import *
+import os, sys, imp, re; 
+APP_ROOT = os.path.join(os.path.dirname(__file__), os.path.pardir)
+sys.path += [APP_ROOT, os.path.join(APP_ROOT, 'lib')]
+from support import config, get_db_handler
+
+def list():
+  migrations = [
+    file for file in os.listdir('.') 
+    if re.match('\d{4}-\d{2}-\d{2}.*(py|sql)$', file)
+  ]
+  print('Migrations in descending order:')
+  print('') 
+  for migration in sorted(migrations)[::-1]:
+    print(' - %s' % migration)
+  
+def migrate(migration):
+  filepath, extension = os.path.splitext(migration)
+  if extension == '.py':
+    migration = load_source('migration', os.path.join(APP_ROOT, 'migrations', migration))
+    migration.migrate(get_db_handler(config['db']))
+  elif extension == '.sql':
+    local('mysql -u root -p %s < %s' % (
+        config.db.database,
+        os.path.join(APP_ROOT, 'migrations', migration)
+      )
+    )