miao/server/app/Http/Controllers/Admin/Dream/InfoController.php

<?php
/**
 *  梦想列表
 *  @author  system
 *  @version    1.0
 *  @date 2017-06-28 14:50:22
 *
 */
namespace App\Http\Controllers\Admin\Dream;
use App\Http\Controllers\Admin\Controller;
use App\Models\BaseAttachmentModel;
use App\Models\BaseSettingsModel;
use App\Models\DreamImages;
use App\Models\DreamInfoModel;
use Illuminate\Http\Request;
use App\Repositories\Base\Criteria\OrderBy;
use App\Repositories\Dream\Criteria\MultiWhere;
use App\Repositories\Dream\InfoRepository;

class InfoController extends Controller
{
    private $repository;

    public function __construct(InfoRepository $repository) {
        if(!$this->repository) $this->repository = $repository;
    }

    function index(Request $reqeust) {
        $search['keyword'] = $reqeust->input('keyword');
        $query = $this->repository->pushCriteria(new MultiWhere($search));
        $request = $reqeust->all();
        if(isset($request['sort_field']) && $request['sort_field'] && isset($request['sort_field_by'])) {
        $query = $query->pushCriteria(new OrderBy($request['sort_field'],$request['sort_field_by']));
        }
        $list = $query->paginate();
        return view('admin.dream.info.index',compact('list'));
    }


    function check(Request $reqeust) {
        $request = $reqeust->all();
        $search['keyword'] = $reqeust->input('keyword');
        $orderby = array();
        if(isset($request['sort_field']) && $request['sort_field'] && isset($request['sort_field_by'])) {
            $orderby[$request['sort_field']] = $request['sort_field_by'];
        }
        $list = $this->repository->search($search,$orderby);
        return view('admin.dream.info.check',compact('list'));
    }


    /**
     * 添加
     * 
     */
    public function create(Request $reqeust)
    {
        if($reqeust->method() == 'POST') {
            return $this->_createSave();
        }
        $signs = BaseSettingsModel::where('category','sign')->orderBy('id')->get();
        return view('admin.dream.info.edit',compact('signs'));
    }

    /**
     * 保存修改
     */
    private function _createSave(){
        $data = (array) request('data');
        $pics = (array) request('pic');
        if (empty($pics)) {
            $url[] = array('url'=>U( 'Dream/Info/index'),'title'=>'返回列表');
            return $this->showWarning('请添加图片',$url);
        }
        $id = DreamInfoModel::insertGetId($data);
        if($id) {
            $arr = [];
            foreach ($pics['url'] as $pic) {
                $arr[] = [
                    'pic'=>getenv('APP_URL').$pic,
                    'dream_id'=>$id,
                    'created_at'=>date("Y-m-d H:i:s"),
                    'updated_at'=>date("Y-m-d H:i:s"),
                ];
            }
            DreamImages::insert($arr);
            $url[] = array('url'=>U( 'Dream/Info/index'),'title'=>'返回列表');
            $url[] = array('url'=>U( 'Dream/Info/create'),'title'=>'继续添加');
            $this->showMessage('添加成功',$url);
        }else{
            $url[] = array('url'=>U( 'Dream/Info/index'),'title'=>'返回列表');
            return $this->showWarning('添加失败',$url);
        }
    }
    
    /**
     * 
     * 修改
     * 
     * 
     */
    public function update(Request $reqeust) {
        if($reqeust->method() == 'POST') {
            return $this->_updateSave();
        }
        $data = $this->repository->find($reqeust->get('id'));
        $imgs = $data->imgs;
        $arr = [];
        foreach ($imgs as $pic) {
            $arr[] = $pic['pic'];
        }
        $data->imgs = $arr;
        $signs = BaseSettingsModel::where('category','sign')->orderBy('id')->get();
        return view('admin.dream.info.edit',compact('data','signs'));
    }

    /**
     * 保存修改
     */
    private function _updateSave() {
        $data = (array) request('data');
        $pics = (array) request('pic');
        if (empty($pics)) {
            $url[] = array('url'=>U( 'Dream/Info/index'),'title'=>'返回列表');
            return $this->showWarning('请添加图片',$url);
        }
        $old_data_pics =  $this->repository->find(request('id'))->imgs->toArray();
        $old_pics = array_column($old_data_pics,'pic');
        $a = array_diff($pics['url'],$old_pics);
        $b = array_diff($old_pics,$pics['url']);
        if (!empty($a) || !empty($b)) {       //有图片变化执行
            //        删除以前图片 重新插入
            if (!empty($b)) {
                foreach ($b as $old_pic){
                    if (is_file('.'.str_replace(getenv('APP_URL'),'',$old_pic))) {
                        unlink('.'.str_replace(getenv('APP_URL'),'',$old_pic));
                    }
                    BaseAttachmentModel::where('url',$old_pic)->delete();
                    DreamImages::where('pic',$old_pic)->delete();
                }
            }
            $arr = [];                         //插入新的图片
            foreach ($a as $pic) {
                $arr[] = [
                    'pic'=>getenv('APP_URL').$pic,
                    'dream_id'=>request('id'),
                    'created_at'=>date('Y-m-d H:i:s'),
                    'updated_at'=>date('Y-m-d H:i:s'),
                ];
            }
            DreamImages::insert($arr);
        }
        $ok = $this->repository->update(request('id'),$data);
        if($ok) {
            $url[] = array('url'=>U( 'Dream/Info/index'),'title'=>'返回列表');
            return $this->showMessage('操作成功',urldecode(request('_referer')));
        }else{
            $url[] = array('url'=>U( 'Dream/Info/index'),'title'=>'返回列表');
            return $this->showWarning('操作失败',$url);
        }
    }

    public function view(Request $reqeust) {
        $data = $this->repository->find(request('id'));
        return view('admin.dream.info.view',compact('data'));
    }


    /**
     *
     * 状态改变
     *
     */
    public function status(Request $reqeust) {
        $ok = $this->repository->updateStatus(request('id'),request('status'));
        if($ok) {
            return $this->showMessage('操作成功');
        }else{
            return $this->showWarning('操作失败');
        }
    }
    
    /**
     * 删除
     */
    public function destroy(Request $reqeust) {
        $bool = $this->repository->destroy($reqeust->get('id'));
        if($bool) {
            $old_data_pics =  DreamInfoModel::find($reqeust->get('id'))->imgs->toArray();
            $old_pics = array_column($old_data_pics,'pic');
            if (!empty($old_pics)) {
                foreach ($old_pics as $old_pic){
                    if (is_file('.'.str_replace(getenv('APP_URL'),'',$old_pic))) {
                        unlink('.'.str_replace(getenv('APP_URL'),'',$old_pic));
                    }
                    BaseAttachmentModel::where('url',$old_pic)->delete();
                }
            }
            DreamImages::where('dream_id',$reqeust->get('id'))->delete();
            return  $this->showMessage('操作成功');
        }else{
            return  $this->showWarning("操作失败");
        }
    }
}