Like APIの追加

database/migrations/2019_03_26_224641_create_likes_table.php

@@ -0,0 +1,37 @@
+<?php
+
+use Illuminate\Support\Facades\Schema;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Database\Migrations\Migration;
+
+class CreateLikesTable extends Migration
+{
+    /**
+     * Run the migrations.
+     *
+     * @return void
+     */
+    public function up()
+    {
+        Schema::create('likes', function (Blueprint $table) {
+            $table->increments('id');
+            $table->integer('user_id')->index();
+            $table->integer('ejaculation_id')->index();
+            $table->timestamps();
+
+            $table->unique(['user_id', 'ejaculation_id']);
+            $table->foreign('user_id')->references('id')->on('users')->onDelete('cascade');
+            $table->foreign('ejaculation_id')->references('id')->on('ejaculations')->onDelete('cascade');
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     *
+     * @return void
+     */
+    public function down()
+    {
+        Schema::dropIfExists('likes');
+    }
+}