Feature/add shelf api

.eslintrc.js

@@ -1,3 +1,3 @@
 module.exports = {
-    "extends": "airbnb-base"
-};
+  extends: 'airbnb-base',
+};

_env/local.env

@@ -5,10 +5,9 @@ APP_DEBUG=true
 APP_LOG_LEVEL=debug
 APP_URL=http://codingchallenge.dev
 
-DB_CONNECTION=mysql
+DB_CONNECTION=sqlite
 DB_HOST=127.0.0.1
 DB_PORT=3306
-DB_DATABASE=codingchallenge
 DB_USERNAME=homestead
 DB_PASSWORD=secret
 

app/Http/Controllers/API/BookController.php

@@ -0,0 +1,47 @@
+<?php
+
+namespace App\Http\Controllers\API;
+
+use App\Models\Book;
+use App\Repositories\BookRepository;
+use Illuminate\Foundation\Auth\Access\AuthorizesRequests;
+use Illuminate\Foundation\Bus\DispatchesJobs;
+use Illuminate\Foundation\Validation\ValidatesRequests;
+use Illuminate\Routing\Controller as BaseController;
+use Illuminate\Support\Facades\Request;
+use function response;
+
+class BookController extends BaseController
+{
+    use AuthorizesRequests, ValidatesRequests;
+
+    private $repository;
+
+    public function __construct(BookRepository $repository)
+    {
+        $this->repository = $repository;
+    }
+
+    /**
+     * @return \Illuminate\Http\JsonResponse
+     */
+    public function getMetadata()
+    {
+        $ids = [];
+        if (Request::has('book_id')) {
+            $ids[] = Request::get('book_id');
+        }
+        $books = $this->repository->findBooks($ids);
+        $jsonable = [];
+
+        foreach ($books as $book) {
+            $jsonable[$book->book_id] = [
+                'published_at' => $book->published_at,
+                'author' => optional($book->authors)->implode(','),
+                'cover' => optional($book->cover)->image_url,
+            ];
+        }
+
+        return response()->json($jsonable);
+    }
+}

app/Http/Controllers/API/ShelfController.php

@@ -0,0 +1,52 @@
+<?php
+
+namespace App\Http\Controllers\API;
+use App\Repositories\ShelfRepository;
+use Illuminate\Foundation\Bus\DispatchesJobs;
+use Illuminate\Routing\Controller as BaseController;
+use Illuminate\Foundation\Validation\ValidatesRequests;
+use Illuminate\Foundation\Auth\Access\AuthorizesRequests;
+
+class ShelfController extends BaseController
+{
+    use AuthorizesRequests, DispatchesJobs, ValidatesRequests;
+    private $repository;
+
+    public function __construct(ShelfRepository $repository)
+    {
+        $this->repository = $repository;
+    }
+
+    public function getBooks($shelf_slug){
+        $shelf = $this->repository->findShelfViaSlug($shelf_slug);
+
+        if(empty($shelf)){
+            return response()->json(['message'=>'slug invaild'], 404);
+        }
+
+        /* @var \Illuminate\Support\Collection */
+        $books = $this->repository->grabBooksFromShelf($shelf);
+
+        $data = $books->transform(function ($book){
+            return [
+                'name' => $book->name,
+                'isbn' => $book->isbn,
+                'id' => $book->book_id,
+            ];
+        })->all();
+
+        return response()->json($data);
+    }
+
+    public function getAllShelives(){
+        $shelvies = $this->repository->getAllShelvies();
+        $data = $shelvies->transform(function ($shelf){
+            return [
+                'name' => $shelf->name,
+                'slug' => $shelf->slug,
+                'id' => $shelf->shelf_id,
+            ];
+        })->all();
+        return response()->json($data);
+    }
+}

app/Models/Author.php

@@ -0,0 +1,16 @@
+<?php
+
+namespace App\Models;
+
+use Illuminate\Database\Eloquent\Model;
+
+class Author extends Model
+{
+    /**
+     * Books
+     * @return \Illuminate\Database\Eloquent\Relations\BelongsToMany
+     */
+    public function books(){
+        return $this->belongsToMany(Book::class, 'author_book');
+    }
+}

app/Models/Book.php

@@ -12,6 +12,7 @@ class Book extends Model
 {
     protected $table = 'books';
     protected $primaryKey = 'book_id';
+    protected $dates = ['published_at'];
 
     /**
      * Shelf relationship
@@ -22,4 +23,20 @@ public function shelf()
     {
         return $this->belongsTo(Shelf::class,'shelf_id', 'shelf_id');
     }
+
+    /**
+     * Authors
+     * @return \Illuminate\Database\Eloquent\Relations\BelongsToMany
+     */
+    public function authors(){
+        return $this->belongsToMany(Author::class, 'author_book', 'book_id', 'author_id');
+    }
+
+    /**
+     * Book cover image
+     * @return \Illuminate\Database\Eloquent\Relations\MorphOne
+     */
+    public function cover(){
+        return $this->morphOne(Image::class, 'imageable');
+    }
 }

app/Models/Image.php

@@ -0,0 +1,16 @@
+<?php
+
+namespace App\Models;
+
+use Illuminate\Database\Eloquent\Model;
+
+class Image extends Model
+{
+    /**
+     * Get the owning imageable model.
+     */
+    public function imageable()
+    {
+        return $this->morphTo();
+    }
+}

app/Models/Shelf.php

@@ -4,6 +4,7 @@
 
 use Illuminate\Database\Eloquent\Model;
 
+
 /**
  * Class Shelf
  * @package App\Models

app/Repositories/BookRepository.php

@@ -0,0 +1,26 @@
+<?php
+
+namespace App\Repositories;
+
+use App\Models\Book;
+
+class BookRepository
+{
+    private $book;
+
+    public function __construct(Book $book){
+        $this->book = $book;
+    }
+
+    /**
+     * fetch Books via given ids, if no id provided, return all books
+     * @param array $ids
+     * @return Book[]|\Illuminate\Database\Eloquent\Collection
+     */
+    public function findBooks(Array $ids){
+        if (empty($ids)){
+            return $this->book->all();
+        }
+        return $this->book->whereIn('book_id', $ids)->get();
+    }
+}

app/Repositories/ShelfRepository.php

@@ -0,0 +1,35 @@
+<?php
+
+namespace App\Repositories;
+
+use App\Models\Shelf;
+use Illuminate\Support\Collection;
+
+
+class ShelfRepository
+{
+    private $shelf;
+    public function __construct(Shelf $shelf){
+        $this->shelf = $shelf;
+    }
+
+
+    /**
+     * find shelf via shelf slug
+     * @param $slug
+     * @return Shelf|null
+     */
+    public function findShelfViaSlug($slug): ?Shelf
+    {
+        return $this->shelf->where('slug', $slug)->first();
+    }
+
+    public function grabBooksFromShelf(Shelf $shelf): ?Collection
+    {
+        return $shelf->books;
+    }
+
+    public function getAllShelvies(){
+        return $this->shelf->all();
+    }
+}

composer.json

@@ -5,7 +5,7 @@
     "license": "MIT",
     "type": "project",
     "require": {
-        "php": ">=7.0.0",
+        "php": ">=7.1",
         "fideloper/proxy": "~3.3",
         "laravel/framework": "5.5.*",
         "laravel/tinker": "~1.0"
@@ -51,6 +51,9 @@
     "config": {
         "preferred-install": "dist",
         "sort-packages": true,
-        "optimize-autoloader": true
+        "optimize-autoloader": true,
+        "allow-plugins": {
+            "kylekatarnls/update-helper": true
+        }
     }
 }