添加了更多的主题, 修复了输入不存在主题时报错

app.py

@@ -7,6 +7,7 @@
 
 
 import time
+from gevent import pywsgi
 from flask import Flask
 from flask import request
 from flask import Response
@@ -14,11 +15,46 @@ from flask import make_response
 from flask import send_from_directory
 from bin.core.render_ import render_temp_
 from bin.core.b64img import re_sort_number_image
-from db.db import (fetch_data, update_data)
+from db.db import (fetch_data,
+                   update_data,
+                   fetch_table)
 
 app = Flask(__name__)
 
 
+def get_theme_list() -> Response:
+    """
+    直接获取可选主题
+    :return: 
+    """
+    table_list = fetch_table()
+    response = make_response({'code': 200,
+                              'msg': '可用主题如下',
+                              'themes': table_list})
+    response.status_code = 200
+    response.headers['Content-Type'] = 'application/json: charset=utf-8'
+    response.headers['cache-control'] = 'max-age=0, no-cache, no-store, must-revalidate'
+    response.headers['date'] = time.ctime()
+    return response
+
+
+def error_theme(theme: str) -> Response:
+    """
+    错误的主题
+    :param theme:
+    :return:
+    """
+    table_list = fetch_table()
+    response = make_response({'code': -2,
+                              'msg': f'数据库内没有选择的主题: {theme}. 可用主题如下',
+                              'themes': table_list})
+    response.status_code = 200
+    response.headers['Content-Type'] = 'application/json; charset=utf-8'
+    response.headers['cache-control'] = 'max-age=0, no-cache, no-store, must-revalidate'
+    response.headers['date'] = time.ctime()
+    return response
+
+
 def error_length(length: int) -> Response:
     """
     数值太长显示此页面
@@ -26,7 +62,7 @@ def error_length(length: int) -> Response:
     :return:
     """
     response = make_response({'code': -2,
-                              'message': f'错误的长度: {length}'})
+                              'msg': f'错误的长度: {length}'})
     response.status_code = 200
     response.headers['Content-Type'] = 'application/json; charset=utf-8'
     response.headers['cache-control'] = 'max-age=0, no-cache, no-store, must-revalidate'
@@ -42,7 +78,7 @@ def too_lang_to_count(name: str) -> Response:
     """
     update_data(name, 0)
     response = make_response({'code': -2,
-                              'message': f'当前长度超过了最大可计数长度:10. 已将重置该名称的计数器'})
+                              'msg': '当前长度超过了最大可计数长度:10. 已将重置该名称的计数器'})
     response.headers['Content-Type'] = 'application/json; charset=utf-8'
     response.headers['cache-control'] = 'max-age=0, no-cache, no-store, must-revalidate'
     response.headers['date'] = time.ctime()
@@ -55,7 +91,7 @@ def arg_not_be_full() -> Response:
     :return:
     """
     response = make_response({'code': -2,
-                              'message': '参数填写不完整或填写错误'})
+                              'msg': '参数填写不完整或填写错误'})
     response.status_code = 200
     response.headers['Content-Type'] = 'application/json; charset=utf-8'
     response.headers['cache-control'] = 'max-age=0, no-cache, no-store, must-revalidate'
@@ -63,7 +99,7 @@ def arg_not_be_full() -> Response:
     return response
 
 
-def build_page(name: str, length: int, theme: str) -> list[Response] | list[bool | str] | list[bool]:
+def build_page(name: str, length: int, theme: str) -> list[bool | Response] | list[bool | str] | bool:
     """
     渲染最终的页面
     :param theme:
@@ -76,8 +112,11 @@ def build_page(name: str, length: int, theme: str) -> list[Response] | list[bool
         return [False, too_lang_to_count(name)]
     if 7 <= length <= 10:
         zero_count = '0' * (length - len(str(count))) + str(count)
-        sorted_image, width, height = re_sort_number_image(zero_count, theme)
-        return [True, render_temp_(length, name, sorted_image, width, height)]
+        status, sorted_image, width, height = re_sort_number_image(zero_count, theme)
+        if status:
+            return [True, render_temp_(length, name, sorted_image, width, height)]
+        else:
+            return [False, 'BadTheme']
     else:
         return [False, 'BadLength']
 
@@ -92,6 +131,8 @@ def api_page() -> Response | str:
     name = str(args.get('name')).replace('None', 'null')
     length = args.get('length')
     theme = args.get('theme')
+    if theme == 'ls':
+        return get_theme_list()
     if name and name != 'null':
         if not length:
             length = 7
@@ -108,6 +149,8 @@ def api_page() -> Response | str:
             return response
         elif build_page_result[1] == 'BadLength':
             return error_length(length)
+        elif build_page_result[1] == 'BadTheme':
+            return error_theme(theme)
         else:
             return build_page_result[1]
     else: