提交代码

vendor/overtrue/laravel-follow/database/migrations/2018_06_29_032244_create_laravel_follow_tables.php

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+<?php
+
+/*
+ * This file is part of the overtrue/laravel-follow
+ *
+ * (c) overtrue <i@overtrue.me>
+ *
+ * This source file is subject to the MIT license that is bundled
+ * with this source code in the file LICENSE.
+ */
+
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Database\Migrations\Migration;
+
+class CreateLaravelFollowTables extends Migration
+{
+    /**
+     * Run the migrations.
+     */
+    public function up()
+    {
+        Schema::create(config('follow.followable_table', 'followables'), function (Blueprint $table) {
+            $userForeignKey = config('follow.users_table_foreign_key', 'user_id');
+
+            // Laravel 5.8 session user is unsignedBigInteger
+            // https://github.com/laravel/framework/pull/28206/files
+            if ((float) app()->version() >= 5.8) {
+                $table->unsignedBigInteger($userForeignKey);
+            } else {
+                $table->unsignedInteger($userForeignKey);
+            }
+
+            $table->unsignedInteger('followable_id');
+            $table->string('followable_type')->index();
+            $table->string('relation')->default('follow')->comment('follow/like/subscribe/favorite/upvote/downvote');
+            $table->softDeletes();
+            $table->timestamps();
+
+            $table->foreign($userForeignKey)
+                ->references(config('follow.users_table_primary_key', 'id'))
+                ->on(config('follow.users_table_name', 'users'))
+                ->onUpdate('cascade')
+                ->onDelete('cascade');
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     */
+    public function down()
+    {
+        Schema::table(config('follow.followable_table', 'followables'), function ($table) {
+            $table->dropForeign(config('follow.followable_table', 'followables').'_user_id_foreign');
+        });
+
+        Schema::drop(config('follow.followable_table', 'followables'));
+    }
+}