Cascades

Author: zanderlewis

app/Livewire/Post/Feed.php

@@ -36,6 +36,8 @@ public function render()
             if (auth()->user()->blockedUsers) {
                 $blockedUsers = auth()->user()->blockedUsers->pluck('blocked_users')->toArray();
                 $blockedUsers = array_map('trim', explode(',', implode(',', $blockedUsers)));
+                // Filter out empty strings
+                $blockedUsers = array_filter($blockedUsers);
             }
         }
 
@@ -46,8 +48,7 @@ public function render()
                 ->paginate(20);
         } else {
             // Normal production query with filters
-            $posts = Post::with(['user', 'comments', 'likes', 'images'])
-                ->whereNotIn('posts.user_id', $blockedUsers)
+            $query = Post::with(['user', 'comments', 'likes', 'images'])
                 ->leftJoin('followers', function($join) use ($userId) {
                     $join->on('posts.user_id', '=', 'followers.following_id')
                         ->where('followers.follower_id', '=', $userId);
@@ -63,8 +64,14 @@ public function render()
                 })
                 ->select('posts.*')
                 ->distinct()
-                ->orderByDesc('created_at')
-                ->paginate(20);
+                ->orderByDesc('posts.created_at');
+                
+            // Only add blocked users filter if there are actual blocked users
+            if (!empty($blockedUsers)) {
+                $query->whereNotIn('posts.user_id', $blockedUsers);
+            }
+            
+            $posts = $query->paginate(20);
         }
 
         $parsedown = new Parsedown();

database/migrations/2025_06_02_000000_add_cascade_deletes.php

@@ -0,0 +1,77 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+return new class extends Migration
+{
+    /**
+     * Run the migrations.
+     */
+    public function up(): void
+    {
+        // Add cascade deletes to posts table
+        Schema::table('posts', function (Blueprint $table) {
+            $table->dropForeign(['user_id']);
+            $table->foreign('user_id')->references('id')->on('users')->onDelete('cascade');
+        });
+
+        // Add cascade deletes to likes table
+        Schema::table('likes', function (Blueprint $table) {
+            $table->dropForeign(['post_id']);
+            $table->dropForeign(['user_id']);
+            $table->foreign('post_id')->references('id')->on('posts')->onDelete('cascade');
+            $table->foreign('user_id')->references('id')->on('users')->onDelete('cascade');
+        });
+
+        // Add cascade deletes to comments table
+        Schema::table('comments', function (Blueprint $table) {
+            $table->dropForeign(['post_id']);
+            $table->dropForeign(['user_id']);
+            $table->foreign('post_id')->references('id')->on('posts')->onDelete('cascade');
+            $table->foreign('user_id')->references('id')->on('users')->onDelete('cascade');
+        });
+
+        // Add cascade deletes to followers table
+        Schema::table('followers', function (Blueprint $table) {
+            $table->dropForeign(['following_id']);
+            $table->dropForeign(['follower_id']);
+            $table->foreign('following_id')->references('id')->on('users')->onDelete('cascade');
+            $table->foreign('follower_id')->references('id')->on('users')->onDelete('cascade');
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     */
+    public function down(): void
+    {
+        // Restore original foreign keys without cascade
+        Schema::table('posts', function (Blueprint $table) {
+            $table->dropForeign(['user_id']);
+            $table->foreign('user_id')->references('id')->on('users');
+        });
+
+        Schema::table('likes', function (Blueprint $table) {
+            $table->dropForeign(['post_id']);
+            $table->dropForeign(['user_id']);
+            $table->foreign('post_id')->references('id')->on('posts');
+            $table->foreign('user_id')->references('id')->on('users');
+        });
+
+        Schema::table('comments', function (Blueprint $table) {
+            $table->dropForeign(['post_id']);
+            $table->dropForeign(['user_id']);
+            $table->foreign('post_id')->references('id')->on('posts');
+            $table->foreign('user_id')->references('id')->on('users');
+        });
+
+        Schema::table('followers', function (Blueprint $table) {
+            $table->dropForeign(['following_id']);
+            $table->dropForeign(['follower_id']);
+            $table->foreign('following_id')->references('id')->on('users');
+            $table->foreign('follower_id')->references('id')->on('users');
+        });
+    }
+};