From 05ae8bb45c61a95a1ff18b461bd764c7dad5a52d Mon Sep 17 00:00:00 2001
From: MarkusJoe <markushammered@gmail.com>
Date: Fri, 4 Feb 2022 19:49:52 +0800
Subject: [PATCH] update: use Database to record request times

---
 README.md                               |   8 ++-
 __pycache__/app.cpython-310.pyc         | Bin 3272 -> 3127 bytes
 app.py                                  |  91 ++++++++++++------------
 db/__init__.py                          |   6 ++
 db/__pycache__/__init__.cpython-310.pyc | Bin 0 -> 158 bytes
 db/__pycache__/db.cpython-310.pyc       | Bin 0 -> 1383 bytes
 db/data.db                              | Bin 0 -> 12288 bytes
 db/db.py                                |  66 +++++++++++++++++
 static/data.json                        |   1 -
 9 files changed, 125 insertions(+), 47 deletions(-)
 create mode 100644 db/__init__.py
 create mode 100644 db/__pycache__/__init__.cpython-310.pyc
 create mode 100644 db/__pycache__/db.cpython-310.pyc
 create mode 100644 db/data.db
 create mode 100644 db/db.py
 delete mode 100644 static/data.json

diff --git a/README.md b/README.md
index d031c38..56355ec 100644
--- a/README.md
+++ b/README.md
@@ -7,7 +7,7 @@
 </p>
 
 ## Python 版访问次数计数器使用了flask 作为服务端接收请求
-## 借鉴于: [Moe Counter](https://github.com/journey-ad/Moe-counter)  
+## 借鉴于(仿制): [Moe Counter](https://github.com/journey-ad/Moe-counter)  (应该算借鉴吧)
 作者:[journey-ad](https://github.com/journey-ad/Moe-counter/commits?author=journey-ad)
 
 ### 开源
@@ -25,7 +25,11 @@
 ## 调用须知
 - API支持`GET` 和 `POST` 方法请求
 - 最大可以计数`10`位数, 超过则重置
-- 
+
+
+# 一些信息
+- 使用了Python3.6 的标准库`Sqlite3`进行数据库操作
+- 开启时占用了`32Mb`的内存
 
 
 
diff --git a/__pycache__/app.cpython-310.pyc b/__pycache__/app.cpython-310.pyc
index 1a20d3092e04fe98397149aa128bb6d9b618dfb1..3bf705fa7d50bcf73b304de5ccb8d85bdaf233ec 100644
GIT binary patch
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diff --git a/app.py b/app.py
index 9dce3f2..ae01f45 100644
--- a/app.py
+++ b/app.py
@@ -6,7 +6,7 @@
 # @File Name: app.py
 
 
-import json
+import time
 from flask import Flask
 from flask import request
 from flask import Response
@@ -14,44 +14,35 @@ from flask import make_response
 from flask import render_template
 from flask import send_from_directory
 from bin.b64img import re_sort_number_image
+from db.db import (
+    fetch_data,
+    update_data
+)
 
 app = Flask(__name__)
 
 
-def is_new_user(name: str, reset: bool = False) -> int:
+def is_new_user(name: str):
     """
-    判断填入的参数是否为已有本地已有
-    如果有则该名称值加一
-    如果没有则新建一个
-    :param reset:
+    判断名称是否在数据库内
+    如果在则将该名称的值加1
+    如果不在数据库内则新加此名称到数据库
     :param name:
     :return:
     """
-    if not reset:
-        with open('./static/data.json', 'r', encoding='utf-8') as fp:
-            try:
-                data = json.load(fp)
-            except json.decoder.JSONDecodeError:
-                with open('./static/data.json', 'w', encoding='utf-8') as init_fp:
-                    json.dump({}, init_fp)
-            all_user = data.keys()
-            try:
-                if name in all_user:  # 加次数
-                    data[name] += 1
-                    return data[name]
-
-                else:
-                    data[name] = 0  # 新加名称
-                    return 0
-            finally:
-                with open('./static/data.json', 'w', encoding='utf-8') as dump:
-                    json.dump(data, dump)
+    """fetch_data 函数返回的是当前名称下访问次数的数值 为整型"""
+    count = fetch_data(name)
+    if count == 0:
+        return [True, 0]
+    elif len(str(count)) <= 10:
+        return [True, count]
     else:
-        with open('./static/data.json', 'r', encoding='utf-8') as reset_fp:
-            data = json.load(reset_fp)
-            data[name] = 0  # 重置该名称的值
-            with open('./static/data.json', 'w', encoding='utf-8') as reset_dump:  # 
-                json.dump(data, reset_dump)
+        update_data(name, 0)
+        response = make_response({'code': 200,
+                                  'message': '当前名称数值已经为最大, 已将数值重置',
+                                  'timestamp': time.time()})
+        response.headers['Content-Type'] = 'application/json'
+        return [False, response]
 
 
 def build_page(name: str) -> Response or str:
@@ -60,8 +51,8 @@ def build_page(name: str) -> Response or str:
     :param name:
     :return:
     """
-    count = is_new_user(name)
-    if len(str(count)) <= 10:
+    status, count = is_new_user(name)
+    if status:
         """
         计算出要在数字前加上几个0, 其实就是10减去数字位数
         假如当前访问数字是300, 先将整形转换为字符串, 再使用len()计算出长度
@@ -87,11 +78,19 @@ def build_page(name: str) -> Response or str:
                                svg_img_9=f'{sorted_image[9]}'
                                )  # 渲染模板
     else:
-        is_new_user(name, reset=True)
-        response = make_response({'code': 200,
-                                  'message': '当前名称数值已经为最大, 已将数值重置'})
-        response.headers['Content-Type'] = 'application/json'
-        return response
+        return 'LONG'
+
+
+def too_long_to_count() -> Response:
+    """
+    数值太长显示此页面
+    :return:
+    """
+    response = make_response({'code': 200,
+                              'message': '当前数值超过了最大可计数范围(10位)已将此名称的数据重置'})
+    response.status_code = 200
+    response.headers['Content-Type'] = 'application/json'
+    return response
 
 
 def arg_not_be_full() -> Response:
@@ -100,25 +99,29 @@ def arg_not_be_full() -> Response:
     :return:
     """
     response = make_response({'code': 200,
-                              'message': 'Incomplete parameters'})
+                              'message': '参数填写不完整',
+                              'timestamp': time.time()})
     response.status_code = 200
     response.headers['Content-Type'] = 'application/json; charset=utf-8'
     return response
 
 
-@app.route('/API', methods=['GET', 'POST'])
+@app.route('/API', methods=['GET', 'POST'])  # 允许 GET 和 POST 方法
 def api_page() -> Response or str:
     """
-     API页面主函数
+    API 页面函数
     :return:
     """
     if 'name' in request.args:
         name = request.args['name']
-        if name != '':
+        if name != '':  # 数据为空返回参数不完整界面
             resp = build_page(name)
-            response = make_response(resp)
-            response.headers['Content-Type'] = 'image/svg+xml; charset=utf-8'
-            return response
+            if resp != 'LONG':
+                response = make_response(resp)
+                response.headers['Content-Type'] = 'image/svg+xml; charset=utf-8'
+                return response
+            else:
+                return too_long_to_count()
         else:
             return arg_not_be_full()
     else:
diff --git a/db/__init__.py b/db/__init__.py
new file mode 100644
index 0000000..c022d54
--- /dev/null
+++ b/db/__init__.py
@@ -0,0 +1,6 @@
+#!/usr/bin/env python3
+# -- coding:utf-8 --
+# @Author: markushammered@gmail.com
+# @Development Tool: PyCharm
+# @Create Time: 2022/2/4
+# @File Name: __init__.py.py
diff --git a/db/__pycache__/__init__.cpython-310.pyc b/db/__pycache__/__init__.cpython-310.pyc
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diff --git a/db/data.db b/db/data.db
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diff --git a/db/db.py b/db/db.py
new file mode 100644
index 0000000..3ae6ca3
--- /dev/null
+++ b/db/db.py
@@ -0,0 +1,66 @@
+#!/usr/bin/env python3
+# -- coding:utf-8 --
+# @Author: markushammered@gmail.com
+# @Development Tool: PyCharm
+# @Create Time: 2022/2/4
+# @File Name: db.py
+
+import sqlite3
+
+"""
+使用python3自带的Sqlite3进行数据库操作
+"""
+
+
+def insert_data(name: str):
+    """
+    插入数据
+    :param name:
+    :return:
+    """
+    cursor.execute('insert into ReqCount values(?, ?)', (name, 0))
+    conn.commit()
+
+
+def fetch_data(name: str, mode: bool = False) -> int:
+    """
+    获取数据
+    :param name:
+    :return:
+    """
+    cursor.execute('select * from ReqCount')
+    conn.commit()
+    data = cursor.fetchall()
+
+    # 将返回的元组转换为字典
+    temp_dict = {}
+    for k, v in data:
+        temp_dict.setdefault(k, []).append(v)
+    # 上方代码将元组转换为字典后字典的值会变成只有一个值的列表, 用下面两行代码去除
+    for i, c in zip(temp_dict.keys(), temp_dict.values()):
+        temp_dict[i] = c[0]
+
+    if name in temp_dict.keys():
+        count = temp_dict[name]  # 获取原数字 为 整型
+        update_data(name, count)
+        return temp_dict[name]
+    else:
+        insert_data(name)
+        return 0
+
+
+def update_data(name: str, times: int):
+    """
+    更新数据
+    :param name:
+    :param times:
+    :return:
+    """
+    times += 1
+    cursor.execute('update ReqCount set times=? where name=?', (times, name))
+    conn.commit()
+
+
+if __name__ != '__main__':
+    conn = sqlite3.connect('./db/data.db', check_same_thread=False)
+    cursor = conn.cursor()
diff --git a/static/data.json b/static/data.json
deleted file mode 100644
index 0b5772f..0000000
--- a/static/data.json
+++ /dev/null
@@ -1 +0,0 @@
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\ No newline at end of file