Merge pull request #468 from shikorism/feature/per-host-resolve-control

リモートホストごとの同時アクセス制御とメタデータ取得ポリシー制御

database/migrations/2020_08_10_203123_create_content_providers_table.php

@@ -0,0 +1,37 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+class CreateContentProvidersTable extends Migration
+{
+    /**
+     * Run the migrations.
+     *
+     * @return void
+     */
+    public function up()
+    {
+        Schema::create('content_providers', function (Blueprint $table) {
+            $table->string('host');
+            $table->text('robots')->nullable();
+            $table->timestamp('robots_cached_at');
+            $table->boolean('is_blocked')->default(false);
+            $table->integer('access_interval_sec')->default(5);
+            $table->timestamps();
+
+            $table->primary('host');
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     *
+     * @return void
+     */
+    public function down()
+    {
+        Schema::dropIfExists('content_providers');
+    }
+}