posts are done

backend/social/posts/migrations/0002_postsave.py

@@ -0,0 +1,28 @@
+# Generated by Django 5.2.7 on 2026-05-18 19:20
+
+import django.db.models.deletion
+from django.conf import settings
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('posts', '0001_initial'),
+        migrations.swappable_dependency(settings.AUTH_USER_MODEL),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='PostSave',
+            fields=[
+                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('created_at', models.DateTimeField(auto_now_add=True)),
+                ('post', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='saves', to='posts.post')),
+                ('user', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='saved_posts', to=settings.AUTH_USER_MODEL)),
+            ],
+            options={
+                'unique_together': {('post', 'user')},
+            },
+        ),
+    ]

backend/social/posts/models.py

@@ -82,6 +82,18 @@ class PostContent(SoftDeleteModel):
         return super().save(*args, **kwargs)
 
 
+class PostSave(models.Model):
+    post = models.ForeignKey(Post, on_delete=models.CASCADE, related_name='saves')
+    user = models.ForeignKey(settings.AUTH_USER_MODEL, on_delete=models.CASCADE, related_name='saved_posts')
+    created_at = models.DateTimeField(auto_now_add=True)
+
+    class Meta:
+        unique_together = ('post', 'user')
+
+    def __str__(self):
+        return f"{self.user} saved Post {self.post_id}"
+
+
 class PostVote(SoftDeleteModel):
     class VoteChoice(models.IntegerChoices):
         UP   =  1, 'Upvote'

backend/social/posts/serializers.py

@@ -1,6 +1,6 @@
 from django.contrib.auth import get_user_model
 from rest_framework import serializers
-from .models import Post, PostContent, PostVote
+from .models import Post, PostContent, PostVote, PostSave
 from social.hubs.serializers import TagsSerializer
 
 User = get_user_model()
@@ -28,6 +28,8 @@ class PostSerializer(serializers.ModelSerializer):
     vote_score = serializers.SerializerMethodField()
     user_vote = serializers.SerializerMethodField()
     reply_count = serializers.IntegerField(read_only=True, default=0)
+    is_saved = serializers.SerializerMethodField()
+    save_count = serializers.SerializerMethodField()
 
     class Meta:
         model = Post
@@ -36,7 +38,7 @@ class PostSerializer(serializers.ModelSerializer):
             'author', 'author_detail',
             'hub', 'reply_to',
             'tags', 'contents',
-            'vote_score', 'user_vote', 'reply_count',
+            'vote_score', 'user_vote', 'reply_count', 'is_saved', 'save_count',
         ]
         read_only_fields = ['author', 'created_at', 'updated_at']
 
@@ -50,6 +52,15 @@ class PostSerializer(serializers.ModelSerializer):
         vote = obj.votes.filter(user=request.user).first()
         return vote.vote if vote else 0
 
+    def get_is_saved(self, obj):
+        request = self.context.get('request')
+        if not request or not request.user.is_authenticated:
+            return False
+        return obj.saves.filter(user=request.user).exists()
+
+    def get_save_count(self, obj):
+        return obj.saves.count()
+
 
 class PostVoteSerializer(serializers.ModelSerializer):
     class Meta:

backend/social/posts/views.py

@@ -9,7 +9,7 @@ from drf_spectacular.utils import extend_schema, extend_schema_view, OpenApiPara
 from rest_framework.permissions import IsAuthenticated
 from social.hubs.models import Tags
 from vontor_cz.pagination import CreatedCursorPagination
-from .models import Post, PostContent, PostVote
+from .models import Post, PostContent, PostVote, PostSave
 from .permissions import CanDeletePost, IsPostAuthorOnly
 from .serializers import PostSerializer, PostContentSerializer, PostVoteSerializer, TagAttachSerializer
 
@@ -67,7 +67,7 @@ class PostViewSet(viewsets.ModelViewSet):
         qs = (
             Post.objects
             .select_related('author', 'hub')
-            .prefetch_related('tags', 'contents', 'votes')
+            .prefetch_related('tags', 'contents', 'votes', 'saves')
             .annotate(reply_count=Count('replies', distinct=True))
         )
         hub_id = self.request.query_params.get('hub')
@@ -196,7 +196,7 @@ class PostViewSet(viewsets.ModelViewSet):
         base_qs = (
             Post.objects
             .select_related('author', 'hub')
-            .prefetch_related('tags', 'contents', 'votes')
+            .prefetch_related('tags', 'contents', 'votes', 'saves')
             .annotate(reply_count=Count('replies', distinct=True))
             .filter(reply_to__isnull=True)
         )
@@ -241,3 +241,45 @@ class PostViewSet(viewsets.ModelViewSet):
             defaults={'vote': ser.validated_data['vote']},
         )
         return Response(PostVoteSerializer(vote_obj).data)
+
+    # ------------------------------------------------------------------
+    # Save / unsave action
+    # ------------------------------------------------------------------
+
+    @extend_schema(
+        tags=["posts"],
+        summary="Toggle save on a post",
+        description="Saves the post for the current user, or unsaves it if already saved. Returns `{saved: true/false}`.",
+        responses={200: {'type': 'object', 'properties': {'saved': {'type': 'boolean'}}}},
+    )
+    @action(detail=True, methods=['post'], url_path='save')
+    def save_post(self, request, pk=None):
+        post = self.get_object()
+        obj, created = PostSave.objects.get_or_create(post=post, user=request.user)
+        if not created:
+            obj.delete()
+        return Response({'saved': created})
+
+    # ------------------------------------------------------------------
+    # Saved feed
+    # ------------------------------------------------------------------
+
+    @extend_schema(
+        tags=["posts"],
+        summary="List posts saved by the current user",
+        responses={200: PostSerializer(many=True)},
+    )
+    @action(detail=False, methods=['get'], url_path='saved')
+    def saved(self, request):
+        qs = (
+            Post.objects
+            .select_related('author', 'hub')
+            .prefetch_related('tags', 'contents', 'votes', 'saves')
+            .annotate(reply_count=Count('replies', distinct=True))
+            .filter(saves__user=request.user)
+            .order_by('-saves__created_at')
+        )
+        paginator = CreatedCursorPagination()
+        page = paginator.paginate_queryset(qs, request, view=self)
+        ser = PostSerializer(page, many=True, context={'request': request})
+        return paginator.get_paginated_response(ser.data)