From 8bcf798d2d78b44fb6ab18cb67af444f896d2414 Mon Sep 17 00:00:00 2001
From: Keuin <keuinx@gmail.com>
Date: Sun, 27 Mar 2022 18:48:23 +0800
Subject: Add old database conversion script.

---
 database_convert.py | 26 ++++++++++++++++++++++++++
 1 file changed, 26 insertions(+)
 create mode 100644 database_convert.py

diff --git a/database_convert.py b/database_convert.py
new file mode 100644
index 0000000..356f84c
--- /dev/null
+++ b/database_convert.py
@@ -0,0 +1,26 @@
+import json
+import sqlite3
+
+
+# noinspection SqlNoDataSourceInspection
+def convert(db_file: str = 'kimikuri.db', json_file: str = 'users.json'):
+    db = sqlite3.connect(db_file)
+    with db, open(json_file, 'r', encoding='utf-8') as f:
+        j = json.load(f)
+        cur = db.cursor()
+        cur.execute('''CREATE TABLE IF NOT EXISTS "user" (
+                "id"	INTEGER NOT NULL CHECK(id >= 0) UNIQUE,
+                "name"	TEXT,
+                "token"	TEXT NOT NULL UNIQUE,
+                "chat_id"	INTEGER NOT NULL CHECK(chat_id >= 0) UNIQUE,
+                PRIMARY KEY("id","token","chat_id")
+        )''')
+        cur.executemany(
+            'INSERT INTO user (id, name, token, chat_id) VALUES (?,?,?,?)',
+            [(x['user_id'], None, x['token'], x['chat_id']) for x in j]
+        )
+    db.close()
+
+
+if __name__ == '__main__':
+    convert()
-- 
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