/**
* Display a listing of the resource.
*
* @return Response
*/
public function index(Request $request)
{
//数据库查询参数
$scope = [];
//性向筛选
if ($request->has('type')) {
$scope['dramas.type'] = ['=', $request->input('type')];
}
//时代筛选
if ($request->has('era')) {
$scope['dramas.era'] = ['=', $request->input('era')];
}
//原创性筛选
if ($request->has('original')) {
$scope['dramas.original'] = ['=', $request->input('original')];
}
//进度筛选，结合state与count字段
if ($request->has('state')) {
switch ($request->input('state')) {
case 0:
//连载中
$scope['dramas.state'] = ['=', 0];
break;
case 1:
//已完结
$scope['dramas.state'] = ['=', 1];
$scope['dramas.count'] = ['>', 1];
break;
case 2:
//全一期
$scope['dramas.state'] = ['=', 1];
$scope['dramas.count'] = ['=', 1];
break;
case 3:
//已坑
$scope['dramas.state'] = ['=', 2];
break;
}
}
//起止日期筛选
if ($request->has('startdate') || $request->has('enddate')) {
if (!$request->has('startdate')) {
//如果只有截止日期
$scope['release_date'] = ['<=', $request->input('enddate')];
} else {
if (!$request->has('enddate')) {
//如果只有起始日期
$scope['release_date'] = ['>=', $request->input('startdate')];
} else {
//既有起始日期又有终止日期时需要使用between另外编写查询语句
$release_date = [$request->input('startdate'), $request->input('enddate')];
}
}
}
//主役筛选
if ($request->has('cv')) {
$scope['dramas.sc'] = ['LIKE', '%' . $request->input('cv') . '%'];
}
//SC筛选
if ($request->has('sc')) {
$scope['episodes.sc'] = ['LIKE', '%' . $request->input('sc') . '%'];
}
//传递给视图的url参数
$params = $request->except('page');
//排序
if ($request->has('sort')) {
$params['sort'] = $request->input('sort');
} else {
$params['sort'] = 'id';
}
if ($request->has('order')) {
$params['order'] = $request->input('order');
} else {
$params['order'] = 'desc';
}
//连接剧集表查询
if (isset($release_date)) {
$episodes = Episode::whereBetween('release_date', $release_date)->join('dramas', function ($join) use($scope) {
$join->on('episodes.drama_id', '=', 'dramas.id');
foreach ($scope as $key => $value) {
$join = $join->where($key, $value[0], $value[1]);
}
})->select('episodes.*', 'dramas.id as drama_id', 'dramas.title as drama_title', 'dramas.type as type', 'dramas.era as era', 'dramas.genre as genre', 'dramas.original as original', 'dramas.state as state', 'dramas.sc as cv')->orderBy('episodes.' . $params['sort'], $params['order'])->paginate(20);
} else {
$episodes = Episode::join('dramas', function ($join) use($scope) {
$join->on('episodes.drama_id', '=', 'dramas.id');
foreach ($scope as $key => $value) {
$join = $join->where($key, $value[0], $value[1]);
}
})->select('episodes.*', 'dramas.id as drama_id', 'dramas.title as drama_title', 'dramas.type as type', 'dramas.era as era', 'dramas.genre as genre', 'dramas.original as original', 'dramas.state as state', 'dramas.sc as cv')->orderBy('episodes.' . $params['sort'], $params['order'])->paginate(20);
}
return view('episode.index', ['params' => $params, 'episodes' => $episodes]);
}
