修复若干bug，优化若干代码

apps/work/__init__.py

@@ -0,0 +1 @@
+

apps/work/apps.py

@@ -4,3 +4,5 @@ from django.apps import AppConfig
 class WorksConfig(AppConfig):
     default_auto_field = 'django.db.models.BigAutoField'
     name = 'apps.work'
+    verbose_name = "历史作品管理"
+

apps/work/migrations/0001_initial.py

@@ -1,4 +1,4 @@
-# Generated by Django 3.2.5 on 2022-05-07 01:48
+# Generated by Django 3.2.5 on 2022-05-11 14:01
 
 from django.db import migrations, models
 

apps/work/migrations/0002_alter_works_img.py

@@ -1,6 +1,7 @@
-# Generated by Django 3.2.5 on 2022-05-05 21:57
+# Generated by Django 3.2.5 on 2022-05-15 00:27
 
 from django.db import migrations, models
+import utils.ImageStorage
 
 
 class Migration(migrations.Migration):
@@ -13,6 +14,6 @@ class Migration(migrations.Migration):
         migrations.AlterField(
             model_name='works',
             name='img',
-            field=models.ImageField(blank=True, null=True, upload_to='image', verbose_name='图片'),
+            field=models.ImageField(blank=True, null=True, storage=utils.ImageStorage.ImageStorage(), upload_to='image', verbose_name='图片'),
         ),
     ]

apps/work/models.py

@@ -1,5 +1,5 @@
 from django.db import models
-
+from utils.ImageStorage import ImageStorage
 # Create your models here.
 
 
@@ -10,4 +10,4 @@ class Works(models.Model):
     grade = models.IntegerField(verbose_name="年份")
     name = models.CharField(verbose_name="事件名称", max_length=30)
     description = models.CharField(verbose_name="事件描述", max_length=200)
-    img = models.ImageField(verbose_name="图片", upload_to="image", null=True, blank=True)
+    img = models.ImageField(verbose_name="图片", upload_to="image", null=True, blank=True,storage=ImageStorage())

apps/work/serializers.py

@@ -1,21 +1,20 @@
 from rest_framework import serializers
 from .models import *
-
+from utils.util import get_msg
 
 class WorksInfoSerializer(serializers.ModelSerializer):
     class Meta:
         model = Works
         fields = '__all__'
-    grade = serializers.CharField(label="年级", required=True)
-    name = serializers.CharField(label="事件名称", max_length=30, required=True)
-    description = serializers.CharField(label="事件描述", max_length=200, required=True)
-    img = serializers.ImageField(label="图片", required=False)
-
-    """用来校验传入年级是否符合规范"""
-    def validate_grade(self, value):
-        if not (2002 < value <= 2021):
-            raise serializers.ValidationError(code='42006', detail={'msg': get_msg(42006),
-                                                                "code": '42006'})
-        return value
-
+    # grade = serializers.CharField(label="年级", required=True)
+    # name = serializers.CharField(label="事件名称", max_length=30, required=True)
+    # description = serializers.CharField(label="事件描述", max_length=200, required=True)
+    # img = serializers.ImageField(label="图片", required=False)
+    #
+    # """用来校验传入年级是否符合规范"""
+    # def validate_grade(self, value):
+    #     if not (2002 < value <= 2021):
+    #         raise serializers.ValidationError(code='42006', detail={'msg': get_msg(42006),
+    #                                                             "code": '42006'})
+    #     return value
 

apps/work/signals.py

@@ -0,0 +1,16 @@
+from django.db.models.signals import pre_save,pre_delete,post_init,post_save,pre_init
+from django.dispatch import receiver
+
+from .models import Works
+
+
+# 修改时,保存图片并删除旧图
+# @receiver(post_init, sender=Works)
+# def file_path(sender, instance, **kwargs):
+#     instance._current_image = instance.image
+
+
+@receiver(pre_save, sender=Works)
+def delete_old_image(sender, instance, **kwargs):
+    print(instance.img)
+    instance.img.delete(save=True)

apps/work/views.py

@@ -6,32 +6,41 @@ from rest_framework.views import APIView
 from rest_framework.response import Response
 from .models import Works
 from .serializers import WorksInfoSerializer
-from utils.get_msg import get_msg
+from utils.util import get_msg,get_path
 import logging
+from rest_framework.generics import GenericAPIView
+import configparser,os
+from ITShowPlatform.settings import BASE_DIR,MEDIA_URL
+from . import signals
 
+conf = configparser.RawConfigParser()
+
+conf.read(os.path.join(BASE_DIR, "config.ini"), encoding="utf-8")
 
 # Create your views here.
 
 
-class Work(APIView):
+class Work(GenericAPIView):
     """获取社团历年的作品"""
 
     def get(self, request):
         key = []
         data = {"data": key}
-        for i in range(2002, 2022):
+        for i in range(2022,2001,-1):
             """temp用来存储每个年级的作品，方便区分年级"""
             temp = {}
-            try:
-                works_set = Works.objects.filter(grade=i)
-                if works_set:
-                    serializer = WorksInfoSerializer(works_set, many=True)
-                    temp['grade'] = i
-                    temp['data'] = serializer.data
-                    data['data'].append(temp)
-            except Exception:
-                """如果没有查到数据"""
-                pass
+            #try:
+            works_set = Works.objects.filter(grade=i)
+            if works_set:
+                serializer = WorksInfoSerializer(works_set, many=True)
+                temp['grade'] = i
+                temp['data'] = serializer.data
+                for i in temp['data']:
+                    i["img"] = get_path() + i["img"]
+                data['data'].append(temp)
+            # except Exception:
+            #    """如果没有查到数据"""
+            #    pass
         if len(data['data']) == 0:
             """如果查找的数据为空"""
             data['code'] = 45005