添加教程的API

oj/dev_settings.py

@@ -6,12 +6,8 @@ BASE_DIR = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))
 
 DATABASES = {
     "default": {
-        "ENGINE": "django.db.backends.postgresql",
-        "HOST": get_env("POSTGRES_HOST", "127.0.0.1"),
-        "PORT": get_env("POSTGRES_PORT", "5432"),
-        "NAME": get_env("POSTGRES_DB", "onlinejudge"),
-        "USER": get_env("POSTGRES_USER", "onlinejudge"),
-        "PASSWORD": get_env("POSTGRES_PASSWORD", "onlinejudge"),
+        "ENGINE": "django.db.backends.sqlite3",
+        "NAME": os.path.join(BASE_DIR, "db.sqlite3"),
     }
 }
 

oj/settings.py

@@ -52,7 +52,8 @@ LOCAL_APPS = [
     'options',
     'judge',
     'message',
-    'comment'
+    'comment',
+    'tutorial',
 ]
 
 INSTALLED_APPS = VENDOR_APPS + LOCAL_APPS
@@ -209,10 +210,10 @@ def redis_config(db):
         "KEY_FUNCTION": make_key
     }
 
-
-CACHES = {
+if production_env:
+    CACHES = {
         "default": redis_config(db=1)
-}
+    }
 
 SESSION_ENGINE = "django.contrib.sessions.backends.cache"
 SESSION_CACHE_ALIAS = "default"

oj/urls.py

@@ -17,4 +17,6 @@ urlpatterns = [
     path("api/", include("message.urls.oj")),
     path("api/", include("comment.urls.oj")),
     path("api/admin/", include("comment.urls.admin")),
+    path("api/", include("tutorial.urls.tutorial")),
+    path("api/admin/", include("tutorial.urls.admin")),
 ]

tutorial/__init__.py

@@ -0,0 +1 @@
+ 

tutorial/models.py

@@ -0,0 +1,17 @@
+from django.db import models
+from account.models import User
+
+class Tutorial(models.Model):
+    title = models.CharField(max_length=128)
+    content = models.TextField()
+    created_by = models.ForeignKey(User, on_delete=models.CASCADE)
+    created_at = models.DateTimeField(auto_now_add=True)
+    updated_at = models.DateTimeField(auto_now=True)
+    is_public = models.BooleanField(default=False)
+    order = models.IntegerField(default=0)
+
+    class Meta:
+        ordering = ['order', '-created_at']
+
+    def __str__(self):
+        return self.title 

tutorial/serializers.py

@@ -0,0 +1,12 @@
+from rest_framework import serializers
+from .models import Tutorial
+from account.serializers import UserSerializer
+
+class TutorialSerializer(serializers.ModelSerializer):
+    created_by = UserSerializer(read_only=True)
+    
+    class Meta:
+        model = Tutorial
+        fields = ['id', 'title', 'content', 'created_by', 'created_at', 
+                 'updated_at', 'is_public', 'order']
+        read_only_fields = ['created_by', 'created_at', 'updated_at'] 

tutorial/urls/__init__.py

@@ -0,0 +1 @@
+ 

tutorial/urls/admin.py

@@ -0,0 +1,10 @@
+from django.urls import path, include
+from rest_framework.routers import DefaultRouter
+from ..views.admin import AdminTutorialViewSet
+
+router = DefaultRouter()
+router.register(r'tutorials', AdminTutorialViewSet)
+
+urlpatterns = [
+    path('', include(router.urls)),
+] 

tutorial/urls/tutorial.py

@@ -0,0 +1,10 @@
+from django.urls import path, include
+from rest_framework.routers import DefaultRouter
+from ..views.tutorial import TutorialViewSet
+
+router = DefaultRouter()
+router.register(r'tutorials', TutorialViewSet)
+
+urlpatterns = [
+    path('', include(router.urls)),
+] 

tutorial/views/admin.py

@@ -0,0 +1,17 @@
+from rest_framework import viewsets, permissions
+from account.decorators import super_admin_required
+from ..models import Tutorial
+from ..serializers import TutorialSerializer
+
+class AdminTutorialViewSet(viewsets.ModelViewSet):
+    queryset = Tutorial.objects.all()
+    serializer_class = TutorialSerializer
+    permission_classes = [permissions.IsAuthenticated]
+
+    def get_permissions(self):
+        if self.action in ['create', 'update', 'partial_update', 'destroy']:
+            return [super_admin_required()]
+        return [permissions.AllowAny()]
+
+    def perform_create(self, serializer):
+        serializer.save(created_by=self.request.user) 

tutorial/views/tutorial.py

@@ -0,0 +1,8 @@
+from rest_framework import viewsets, permissions
+from ..models import Tutorial
+from ..serializers import TutorialSerializer
+
+class TutorialViewSet(viewsets.ReadOnlyModelViewSet):
+    queryset = Tutorial.objects.filter(is_public=True)
+    serializer_class = TutorialSerializer
+    permission_classes = [permissions.AllowAny]