new api to get metadata

backend/randpic/random_picture.py

@@ -5,4 +5,12 @@ from .models import Picture
 pics=Picture.objects.order_by("?")
 
 def get_random_picture_url():
-    return "https://cdn.clf3.org/tianyi-random/"+pics[0].name+".webp"
+    return "https://cdn.clf3.org/tianyi-random/"+pics[0].name+".webp"
+def get_random_picture_meta():
+    return {
+        "name":pics[0].name,
+        "description":pics[0].description,
+        "author":pics[0].author,
+        "author_url":pics[0].author_url,
+        "original_url":pics[0].original_url
+    }

backend/randpic/urls.py

@@ -4,4 +4,5 @@ from . import views
 
 urlpatterns = [
     path("", views.index, name="index"),
+    path("metadata", views.metadata, name="metadata")
 ]

backend/randpic/views.py

@@ -1,6 +1,9 @@
 from django.shortcuts import render, redirect
 from django.http import HttpResponse
-from .random_picture import get_random_picture_url
+from .random_picture import get_random_picture_url, get_random_picture_meta
+import json
 # Create your views here.
 def index(request):
-    return redirect(get_random_picture_url())
+    return redirect(get_random_picture_url())
+def metadata(request):
+    return HttpResponse(json.dumps(get_random_picture_meta()), content_type="application/json")