add db config at startup

lnbits/commands.py

@@ -52,6 +52,25 @@ def bundle_vendored():
         with open(outputpath, "w") as f:
             f.write(output)
 
+async def get_admin_settings():
+    from lnbits.extensions.admin.models import Admin
+
+    async with core_db.connect() as conn:
+
+        if conn.type == SQLITE:
+            exists = await conn.fetchone(
+                "SELECT * FROM sqlite_master WHERE type='table' AND name='admin'"
+            )
+        elif conn.type in {POSTGRES, COCKROACH}:
+            exists = await conn.fetchone(
+                "SELECT * FROM information_schema.tables WHERE table_name = 'admin'"
+            )
+        if not exists:
+            return False
+
+        row = await conn.fetchone("SELECT * from admin")
+    
+    return Admin(**row) if row else None
 
 async def migrate_databases():
     """Creates the necessary databases if they don't exist already; or migrates them."""