Migration: 2021_07_07_154816_add_spell_id_to_recipes.php

database/migrations/2021_07_07_154816_add_spell_id_to_recipes.php

@@ -0,0 +1,30 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+class AddSpellIdToRecipes extends Migration
+{
+    /**
+     * Run the migrations.
+     *
+     * @return void
+     */
+    public function up()
+    {
+        Schema::table('recipes', function (Blueprint $table) {
+            $table->foreignId('spell_id')->after('item_id')->nullable()->constrained();
+
+            // Drop foreign key because we can't drop unique otherwise.
+            $table->dropForeign(['item_id']);
+            $table->dropForeign(['profession_id']);
+            $table->dropUnique(['profession_id', 'item_id']);
+
+            // Add them again and the new unique compound key.
+            $table->foreign('item_id')->references('id')->on('items')->constrained();
+            $table->foreign('profession_id')->references('id')->on('professions')->constrained();
+            $table->unique(['profession_id', 'item_id', 'spell_id']);
+        });
+    }
+}