Add UserFilter model/migration

app/UserFilter.php

@@ -0,0 +1,10 @@
+<?php
+
+namespace App;
+
+use Illuminate\Database\Eloquent\Model;
+
+class UserFilter extends Model
+{
+    //
+}

database/migrations/2018_07_15_013106_create_user_filters_table.php

@@ -0,0 +1,41 @@
+<?php
+
+use Illuminate\Support\Facades\Schema;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Database\Migrations\Migration;
+
+class CreateUserFiltersTable extends Migration
+{
+    /**
+     * Run the migrations.
+     *
+     * @return void
+     */
+    public function up()
+    {
+        Schema::create('user_filters', function (Blueprint $table) {
+            $table->bigIncrements('id');
+            $table->bigInteger('user_id')->unsigned()->index();
+            $table->bigInteger('filterable_id')->unsigned();
+            $table->string('filterable_type');
+            $table->string('filter_type')->default('block')->index();
+            $table->unique([
+                'user_id',
+                'filterable_id',
+                'filterable_type',
+                'filter_type'
+            ], 'filter_unique');
+            $table->timestamps();
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     *
+     * @return void
+     */
+    public function down()
+    {
+        Schema::dropIfExists('user_filters');
+    }
+}