add: 将数据库操作移动至db.py

src/db/db.py

@@ -0,0 +1,88 @@
+#!/usr/bin/env python3
+# -- coding:utf-8 --
+# @Author: markushammered@gmail.com
+# @Development Tool: PyCharm
+# @Create Time: 2022/9/11
+# @File Name: db.py
+
+
+import os
+import sqlite3
+from src.config import Config
+from src.utils.t_download import download
+
+
+class Database:
+    def __init__(self):
+        self.conn = None
+        self.cursor = None
+
+    def __del__(self):
+        self.conn.commit()
+        self.cursor.close()
+        self.conn.close()
+
+    def query(self, _id: str) -> tuple:
+        self.cursor.execute('select * from data where id="%s";' % _id)
+        result = self.cursor.fetchone()
+        if result is None:
+            self.insert(_id)
+            return tuple([_id, 0])
+        self.update(_id, result[1])
+        return result
+
+    def insert(self, _id: str) -> bool:
+        self.cursor.execute('insert into data (id, times) values ("%s", 1);' % _id)
+        return True
+
+    def update(self, _id: str, times: int) -> bool:
+        times += 1
+        self.cursor.execute('update data set times=%s where id="%s";' % (times, _id))
+        return True
+
+    def query_all(self) -> list:
+        self.cursor.execute('select * from data;')
+        result = self.cursor.fetchall()
+        return result
+
+    def query_image(self, _id: str) -> list:
+        self.cursor.execute('select * from image where id="%s";' % _id)
+        result = self.cursor.fetchall()
+        return result
+
+
+class SQLite(Database):
+    def __init__(self):
+        super().__init__()
+        self.conn = sqlite3.connect('./src/db/data.sqlite')
+        self.cursor = self.conn.cursor()
+
+
+class MySQL(Database):
+    def __init__(self):
+        super().__init__()
+        user = os.getenv('m_user')
+        pwd = os.getenv('m_password')
+        host = os.getenv('m_host')
+        port = int(os.getenv('m_port'))
+        db = os.getenv('m_database')
+        self.conn = pymysql.connect(host=host,
+                                    user=user,
+                                    password=pwd,
+                                    port=port,
+                                    database=db
+                                    )
+        self.cursor = self.conn.cursor()
+
+
+if __name__ != '__main__':
+    if Config.database == 'sqlite':
+        print('Using SQLite Database')
+        if not os.path.exists('./src/db/data.sqlite'):
+            print('database file not exists, start downloading...')
+            download('https://pac.rtst.tech/static_file_hosting/static/counter/data.sqlite')
+            print('Done.')
+    else:
+        print('Using MySQL Database')
+        if not os.getenv('m_user'):
+            import pymysql