Переписан бекенд. Добавлена валидация при обновлении значений в ряду.

Удалена предыдущая версия приложения без vue.

1 files changed, 29 insertions, 0 deletions

diff --git a/day9/task5_vue/backend/database/database.py b/day9/task5_vue/backend/database/database.py
new file mode 100644
index 0000000..87982cf
--- /dev/null
+++ b/day9/task5_vue/backend/database/database.py
@@ -0,0 +1,29 @@
+from backend.database.wrappers import Wrapper, MySQLWrapper
+
+import logging
+
+
+def initialize_databases(configs, schemes):
+    for config in configs:
+        if config['type'] == 'mysql':
+            logger = logging.getLogger('backendDebug')
+
+            logger.debug('Connected')
+            logger.debug(f'Trying to connect to database "{config["db_name"]}@{config["host"]}"...')
+
+            wrapper = MySQLWrapper(config['host'], config['username'], config['password'], config['db_name'])
+            wrappers[config['name']] = wrapper
+
+            cursor = wrapper.connection.cursor()
+            for scheme in schemes:
+                logger.debug(f'Preparing table "{scheme.meta["name"]}"...')
+                cursor.execute('START TRANSACTION; {} COMMIT;'.format(scheme.get_create_line()))
+                wrapper.schemes[scheme.meta['name']] = scheme
+            cursor.close()
+
+
+def get_wrapper_for(database_name) -> Wrapper:
+    return wrappers.get(database_name, None)
+
+
+wrappers = {}