From 1a6677b8aa7153db1c306936dc106c5783c5466d Mon Sep 17 00:00:00 2001
From: Clement Desmidt <clement@desmidt.fr>
Date: Tue, 17 Mar 2020 09:51:20 +0100
Subject: [PATCH] =?UTF-8?q?:card=5Ffile=5Fbox:=20G=C3=A8re=20les=20tags=20?=
 =?UTF-8?q?en=20BDD?=
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Fix #8
---
 app/Http/Controllers/DashboardController.php  |  1 -
 .../2020_03_17_084445_add_cascade_on_tags.php | 71 +++++++++++++++++++
 2 files changed, 71 insertions(+), 1 deletion(-)
 create mode 100644 database/migrations/2020_03_17_084445_add_cascade_on_tags.php

diff --git a/app/Http/Controllers/DashboardController.php b/app/Http/Controllers/DashboardController.php
index e279091..28fccd6 100644
--- a/app/Http/Controllers/DashboardController.php
+++ b/app/Http/Controllers/DashboardController.php
@@ -115,7 +115,6 @@ class DashboardController extends Controller
                 ->where('user_id', Auth::user()->getAuthIdentifier())
                 ->firstOrFail();
             /** @var Post $today_post */
-            $today_post->deleteTags();
             $today_post->delete();
             return Redirect::to('home')->withSuccess('Great! Your today\'s post is now deleted. You can make a new one!');
         } catch (\ErrorException $e) {
diff --git a/database/migrations/2020_03_17_084445_add_cascade_on_tags.php b/database/migrations/2020_03_17_084445_add_cascade_on_tags.php
new file mode 100644
index 0000000..828c60e
--- /dev/null
+++ b/database/migrations/2020_03_17_084445_add_cascade_on_tags.php
@@ -0,0 +1,71 @@
+<?php
+
+use Illuminate\Support\Facades\DB;
+use Illuminate\Support\Facades\Schema;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Database\Migrations\Migration;
+
+class AddCascadeOnTags extends Migration
+{
+    /**
+     * Run the migrations.
+     *
+     * @return void
+     */
+    public function up()
+    {
+        if (DB::getDriverName() !== 'sqlite') {
+            Schema::table('posts_tags', function (Blueprint $table) {
+                $table->dropForeign('post_id');
+                $table->foreign('post_id')->references('id')->on('posts')->onDelete('cascade')->onUpdate('cascade');
+                $table->dropForeign('tag_id');
+                $table->foreign('tag_id')->references('id')->on('tags')->onDelete('cascade')->onUpdate('cascade');
+            });
+        } else {
+            // SQLite doesn't support drop foreign key
+            Schema::rename('posts_tags', 'post_tags_bu');
+            Schema::create('posts_tags', function (Blueprint $table) {
+                $table->bigIncrements('id');
+                $table->timestamps();
+                $table->bigInteger('post_id');
+                $table->bigInteger('tag_id');
+                $table->foreign('post_id')->references('id')->on('posts')->onDelete('cascade')->onUpdate('cascade');
+                $table->foreign('tag_id')->references('id')->on('tags')->onDelete('cascade')->onUpdate('cascade');
+            });
+            DB::insert('insert into posts_tags (id, post_id, tag_id, created_at, updated_at)
+            select id, post_id, tag_id, created_at, updated_at from post_tags_bu');
+            Schema::drop('post_tags_bu');
+        }
+    }
+
+    /**
+     * Reverse the migrations.
+     *
+     * @return void
+     */
+    public function down()
+    {
+        if (DB::getDriverName() !== 'sqlite') {
+            Schema::table('posts_tags', function (Blueprint $table) {
+                $table->dropForeign('post_id');
+                $table->foreign('post_id')->references('id')->on('posts');
+                $table->dropForeign('tag_id');
+                $table->foreign('tag_id')->references('id')->on('tags');
+            });
+        } else {
+            // SQLite doesn't support drop foreign key
+            Schema::rename('posts_tags', 'post_tags_bu');
+            Schema::create('posts_tags', function (Blueprint $table) {
+                $table->bigIncrements('id');
+                $table->timestamps();
+                $table->bigInteger('post_id');
+                $table->bigInteger('tag_id');
+                $table->foreign('post_id')->references('id')->on('posts');
+                $table->foreign('tag_id')->references('id')->on('tags');
+            });
+            DB::insert('insert into posts_tags (id, post_id, tag_id, created_at, updated_at)
+            select id, post_id, tag_id, created_at, updated_at from post_tags_bu');
+            Schema::drop('post_tags_bu');
+        }
+    }
+}