zhuishuyun_quickapp/app/Http/Controllers/Manage/Book/Transformers/BookTransformer.php

<?php
/**
 * Created by PhpStorm.
 * Date: 2017/3/31
 * Time: 14:02
 */

namespace App\Http\Controllers\Manage\Book\Transformers;

class BookTransformer
{
    public function transform($book)
    {
        return [
            'book_id' => $book->bid,
            'book_name' => $book->book_name,
            'book_summary' => $book->intro,
            'book_author' => $book->author,
            'cover_url' => $book->cover,
            'book_word_count' => $book->size,
            'book_chapter_total' => $book->chapter_count,
            'book_category_id' => $book->category_id,
            'book_category' => $book->category_name,
            'book_end_status' => $book->status,
            'book_published_time' => is_null($book->updated_at) ? '' : $book->updated_at,
            'copyright' => is_null($book->copyright) ? '' : $book->copyright,
            'charge_type' => is_null($book->charge_type) ? '' : $book->charge_type,
            'force_subscribe_chapter_id' => $book->force_subscribe_chapter_seq,
            'update_time' => $book->updated_at,
            'is_on_shelf' => $book->is_on_shelf,
            'book_price' => is_null($book->price) ? 0 : $book->price,
            'keyword' => $book->keyword,
            'roles' => isset($book->roles) ? $book->roles : '',
            'recommend_index' => $book->recommend_index,
            'is_show_index_content' => $book->is_show_index_content,
            'click_count' => $book->click_count,
            'product_id' => $book->product_id,
            'sex_preference' => $book->channel_name,
            'last_cid' => $book->last_cid,
            'last_chapter' => $book->last_chapter,
            'first_cid' => $book->first_cid,
            'category_array' => [$book->channel_name == '男频' ? 1 : 2, $book->category_id],
            'copyright_limit_data' => is_null($book->copyright_limit_data) ? '' : $book->copyright_limit_data,
            'promotion_domain' => $book->promotion_domain,
            'old_name' => $book->old_name,
            'recommend_text' => $book->recommend_text,
            'book_special_channels' => $book->book_special_channels,
            'is_high_quality' => $book->is_high_quality,
            'is_promotion' => isset($book->is_promotion) ? $book->is_promotion : 0,
            'tags'=>isset($book->tags) ? $book->tags:[]
        ];
    }
}