create post Mutation

Author: AryaAhmadii

app/GraphQL/Mutations/CreatePost.php

@@ -0,0 +1,34 @@
+<?php
+
+namespace App\GraphQL\Mutations;
+
+use App\Models\Post;
+use Error;
+use Illuminate\Support\Facades\Auth;
+
+final class CreatePost
+{
+    /**
+     * 
+     * @param  array{}  $args
+     */
+    public function __invoke($_, array $args)
+    {
+        $quard = Auth::guard("api");
+        if (!$quard->user()) {
+            throw new Error("Invalid credentials.");
+        }
+        $user = $quard->user();
+
+        $post = Post::create([
+            "title"        => $args["title"],
+            "content"      => $args["content"],
+            "category"     => $args["category"],
+            "author"       => $user->id,
+            "likes"        => 0,
+            "views"        => 0,
+            "isPublished"  => true
+        ]);
+        return $post;
+    }
+}

app/Models/Post.php

@@ -11,6 +11,8 @@ class Post extends Model
 {
     use HasFactory;
 
+    protected $fillable = ["title", "content", "author", "likes", "category", "views", "isPublished"];
+
     public function author(): BelongsTo
     {
         return $this->belongsTo(User::class, "author");

graphql/post.graphql

@@ -6,4 +6,12 @@ extend type Query {
     myPosts: [Post]! @guard
     postsByLike(likes: Int! @eq): [Post] @find
     countOfPosts: Int!
+}
+
+extend type Mutation {
+    createPost(
+        title: String!,
+        content: String!,
+        category: Int!,
+        ): Post! @guard
 }