Fixing posts->categories relationships.

Author: code-in-progress

app/PostCategory.php renamed to app/CategoriesPosts.php

@@ -4,7 +4,7 @@
 
 use Illuminate\Database\Eloquent\Model;
 
-class PostCategory extends Model
+class CategoriesPosts extends Model
 {
     public function post() {
         return $this->belongsTo('App\Post', 'id');

app/Post.php

@@ -13,7 +13,7 @@ class Post extends Model
     // posts can have one or many categories
     // returns all categories associated to the post
     public function categories() {
-        return $this->hasManyThrough('App\Category', 'App\Post');
+        return $this->hasManyThrough('App\Category', 'App\Post', 'id', 'id');
     }
 
     public function user() {

database/factories/PostCategoryFactory.php renamed to database/factories/CategoriesPostsFactory.php

@@ -4,7 +4,7 @@
 
 use Faker\Generator as Faker;
 
-$factory->define(App\PostCategory::class, function (Faker $faker) {
+$factory->define(App\CategoriesPosts::class, function (Faker $faker) {
     return [
         'post_id' => App\Post::inRandomOrder()->first()->id,
         'category_id' => App\Category::inRandomOrder()->first()->id

database/migrations/2020_05_31_143819_create_table_post_category.php renamed to database/migrations/2020_05_31_143819_create_table_categories_posts.php

@@ -4,7 +4,7 @@
 use Illuminate\Database\Schema\Blueprint;
 use Illuminate\Support\Facades\Schema;
 
-class CreateTablePostCategory extends Migration
+class CreateTableCategoriesPosts extends Migration
 {
     /**
      * Run the migrations.
@@ -13,18 +13,22 @@ class CreateTablePostCategory extends Migration
      */
     public function up()
     {
-        Schema::create('post_category', function (Blueprint $table) {
-            $table->id();
+        Schema::create('categories_posts', function (Blueprint $table) {
+            $table->unsignedBigInteger('category_id');
             $table->unsignedBigInteger('post_id');
+            $table->foreign('category_id')->references('id')->on('categories')->onDelete('cascade');
+            $table->foreign('post_id')->references('id')->on('posts')->onDelete('cascade');
+
+
+            /*$table->unsignedBigInteger('post_id');
             $table->unsignedBigInteger('category_id');
             $table->unique(['post_id', 'category_id']);
             $table->foreign('post_id')
                 ->references('id')->on('posts')
                 ->onDelete('cascade');
             $table->foreign('category_id')
                 ->references('id')->on('categories')
-                ->onDelete('cascade');
-            $table->timestamps();
+                ->onDelete('cascade');*/
         });
     }
 
@@ -35,6 +39,6 @@ public function up()
      */
     public function down()
     {
-        Schema::dropIfExists('post_category');
+        Schema::dropIfExists('categories_posts');
     }
 }

database/seeds/PostCategorySeeder.php renamed to database/seeds/CategoriesPostsSeeder.php

@@ -2,7 +2,7 @@
 
 use Illuminate\Database\Seeder;
 
-class PostCategorySeeder extends Seeder
+class CategoriesPostsSeeder extends Seeder
 {
     /**
      * Run the database seeds.
@@ -11,6 +11,6 @@ class PostCategorySeeder extends Seeder
      */
     public function run()
     {
-        factory(App\PostCategory::class, 10)->create();
+        factory(App\CategoriesPosts::class, 10)->create();
     }
 }

database/seeds/DatabaseSeeder.php

@@ -15,7 +15,7 @@ public function run()
             UserSeeder::class,
             PostSeeder::class,
             CategorySeeder::class,
-            PostCategorySeeder::class
+            CategoriesPostsSeeder::class
         ]);
     }
 }