Changed channel categories from DB-backed Category records to a backed PHP enum

database/migrations/2026_05_18_031006_replace_stream_categories_with_enum_on_channels_table.php

@@ -0,0 +1,76 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\DB;
+use Illuminate\Support\Facades\Schema;
+
+return new class extends Migration
+{
+    public function up(): void
+    {
+        Schema::table('channels', function (Blueprint $table) {
+            $table->string('category')->nullable()->after('user_id')->index();
+        });
+
+        $allowedCategories = ['gaming', 'music', 'talk-shows', 'education', 'creative'];
+
+        DB::table('categories')
+            ->select(['id', 'slug'])
+            ->orderBy('id')
+            ->get()
+            ->each(function (object $category) use ($allowedCategories): void {
+                if (! in_array($category->slug, $allowedCategories, true)) {
+                    return;
+                }
+
+                DB::table('channels')
+                    ->where('category_id', $category->id)
+                    ->update(['category' => $category->slug]);
+            });
+
+        Schema::table('channels', function (Blueprint $table) {
+            $table->dropConstrainedForeignId('category_id');
+        });
+
+        Schema::dropIfExists('categories');
+    }
+
+    public function down(): void
+    {
+        Schema::create('categories', function (Blueprint $table) {
+            $table->id();
+            $table->string('name')->unique();
+            $table->string('slug')->unique();
+            $table->text('description')->nullable();
+            $table->timestamps();
+        });
+
+        DB::table('categories')->insert([
+            ['name' => 'Gaming', 'slug' => 'gaming', 'created_at' => now(), 'updated_at' => now()],
+            ['name' => 'Music', 'slug' => 'music', 'created_at' => now(), 'updated_at' => now()],
+            ['name' => 'Talk Shows', 'slug' => 'talk-shows', 'created_at' => now(), 'updated_at' => now()],
+            ['name' => 'Education', 'slug' => 'education', 'created_at' => now(), 'updated_at' => now()],
+            ['name' => 'Creative', 'slug' => 'creative', 'created_at' => now(), 'updated_at' => now()],
+        ]);
+
+        Schema::table('channels', function (Blueprint $table) {
+            $table->foreignId('category_id')->nullable()->after('user_id')->constrained()->nullOnDelete();
+        });
+
+        DB::table('categories')
+            ->select(['id', 'slug'])
+            ->orderBy('id')
+            ->get()
+            ->each(function (object $category): void {
+                DB::table('channels')
+                    ->where('category', $category->slug)
+                    ->update(['category_id' => $category->id]);
+            });
+
+        Schema::table('channels', function (Blueprint $table) {
+            $table->dropIndex(['category']);
+            $table->dropColumn('category');
+        });
+    }
+};