Revert "Merge branch 'v4.3.3-dev' into main"

This reverts commit 3586ddce4d, reversing
changes made to 27ec65a970.

src/modules/ConnectionString.py

@@ -0,0 +1,25 @@
+import configparser
+import os
+from sqlalchemy_utils import database_exists, create_database
+from flask import current_app
+
+def ConnectionString(database) -> str:    
+    parser = configparser.ConfigParser(strict=False)
+    parser.read_file(open('wg-dashboard.ini', "r+"))
+    sqlitePath = os.path.join("db")
+    if not os.path.isdir(sqlitePath):
+        os.mkdir(sqlitePath)
+    if parser.get("Database", "type") == "postgresql":
+        cn = f'postgresql+psycopg://{parser.get("Database", "username")}:{parser.get("Database", "password")}@{parser.get("Database", "host")}/{database}'
+    elif parser.get("Database", "type") == "mysql":
+        cn = f'mysql+pymysql://{parser.get("Database", "username")}:{parser.get("Database", "password")}@{parser.get("Database", "host")}/{database}'
+    else:
+        cn = f'sqlite:///{os.path.join(sqlitePath, f"{database}.db")}'
+    try:
+        if not database_exists(cn):
+            create_database(cn)
+    except Exception as e:
+        current_app.logger.error("Database error. Terminating...", e)
+        exit(1)
+        
+    return cn