php-具有动态消息的Laravel自定义验证规则
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我有一个请求,要求添加带有自定义验证方法的节目,以检查是否已存在与日期和时间冲突的节目.如果方法失败,我想说验证错误消息中显示的与之冲突的方法.
class ShowStoreRequest extends Request {
public function rules()
{
Validator::extend('time_clash_check', function($attribute, $value, $parameters)
{
list($day, $month, $year) = explode('/', $value);
$date = $year.'-'.$month.'-'.$day;
$start_time = $parameters[0];
$end_time = $parameters[1];
$show_id = $parameters[2];
$query = Show::where('date', '=', $date)->where(function($q) use ($start_time, $end_time) {
// show overlaps beginning of another show
$q->orWhere(function($q) use ($start_time, $end_time) {
$q->where('start_time', '>=', $start_time)
->where('start_time', '<=', $end_time)
->where('end_time', '>=', $end_time);
// show is in the middle of the another show
})->orWhere(function($q) use ($start_time, $end_time) {
$q->where('start_time', '<=', $start_time)
->where('end_time', '>=', $end_time);
// show overlaps the end of the another show
})->orWhere(function($q) use ($start_time, $end_time) {
$q->where('start_time', '<=', $start_time)
->where('end_time', '>=', $start_time)
->where('end_time', '<=', $end_time);
// show completely overlaps another show
})->orWhere(function($q) use ($start_time, $end_time) {
$q->where('start_time', '>=', $start_time)
->where('end_time', '<=', $end_time);
});
});
if(!is_null($show_id)) {
$query->where('id', '!=', $show_id);
}
$existing_show = $query->first();
if(is_null($existing_show)) {
return true;
} else {
return false;
}
});
$rules = [
'name' => 'required|max:255',
'show_code' => 'required|alpha_num|min:10|max:11',
'url_slug' => ['required', 'max:255', 'regex:/^[a-z0-9-_]+$/'],
'youtube_url' => 'url',
'name' => 'required|max:255',
'date' => ['regex:/[0-9]{2}\/[0-9]{2}\/[0-9]{2}/', 'time_clash_check:'.$this->start_time.','.$this->end_time.','.$this->route('id')],
'start_time' => ['regex:/[0-9]{1,2}\:[0-9]{2}\:[0-9]{2}/'],
'end_time' => ['regex:/[0-9]{1,2}\:[0-9]{2}\:[0-9]{2}/']
];
}
}
因此,如果time_clash_check失败,我想在错误消息中输出$existing_show-> name的值,以告诉他们与其冲突的显示.我该怎么做？
解决方法:
将此添加到您的请求文件中：
class ShowStoreRequest extends Request {
public $exists;
public function rules()
{
Validator::extend('time_clash_check', function($attribute, $value, $parameters)
{
list($day, $month, $year) = explode('/', $value);
$date = $year.'-'.$month.'-'.$day;
$start_time = $parameters[0];
$end_time = $parameters[1];
$show_id = $parameters[2];
$query = Show::where('date', '=', $date)->where(function($q) use ($start_time, $end_time) {
// show overlaps beginning of another show
$q->orWhere(function($q) use ($start_time, $end_time) {
$q->where('start_time', '>=', $start_time)
->where('start_time', '<=', $end_time)
->where('end_time', '>=', $end_time);
// show is in the middle of the another show
})->orWhere(function($q) use ($start_time, $end_time) {
$q->where('start_time', '<=', $start_time)
->where('end_time', '>=', $end_time);
// show overlaps the end of the another show
})->orWhere(function($q) use ($start_time, $end_time) {
$q->where('start_time', '<=', $start_time)
->where('end_time', '>=', $start_time)
->where('end_time', '<=', $end_time);
// show completely overlaps another show
})->orWhere(function($q) use ($start_time, $end_time) {
$q->where('start_time', '>=', $start_time)
->where('end_time', '<=', $end_time);
});
});
if(!is_null($show_id)) {
$query->where('id', '!=', $show_id);
}
$existing_show = $query->first();
if(is_null($existing_show)) {
return true;
} else {
$this->exists = $existing_show->name;
return false;
}
});
$rules = [
'name' => 'required|max:255',
'show_code' => 'required|alpha_num|min:10|max:11',
'url_slug' => ['required', 'max:255', 'regex:/^[a-z0-9-_]+$/'],
'youtube_url' => 'url',
'name' => 'required|max:255',
'date' => ['regex:/[0-9]{2}\/[0-9]{2}\/[0-9]{2}/', 'time_clash_check:'.$this->start_time.','.$this->end_time.','.$this->route('id')],
'start_time' => ['regex:/[0-9]{1,2}\:[0-9]{2}\:[0-9]{2}/'],
'end_time' => ['regex:/[0-9]{1,2}\:[0-9]{2}\:[0-9]{2}/']
];
}
}
public function messages()
{
return [
'time_clash_check ' => $this->exists . ' has clashed'
];
}
编辑：
好的,所以我找出了问题所在.解决方法如下：
class ShowStoreRequest extends Request {
public $exists;
public function rules()
{
Validator::extend('time_clash_check', function($attribute, $value, $parameters)
{
list($day, $month, $year) = explode('/', $value);
$date = $year.'-'.$month.'-'.$day;
$start_time = $parameters[0];
$end_time = $parameters[1];
$show_id = $parameters[2];
$query = Show::where('date', '=', $date)->where(function($q) use ($start_time, $end_time) {
// show overlaps beginning of another show
$q->orWhere(function($q) use ($start_time, $end_time) {
$q->where('start_time', '>=', $start_time)
->where('start_time', '<=', $end_time)
->where('end_time', '>=', $end_time);
// show is in the middle of the another show
})->orWhere(function($q) use ($start_time, $end_time) {
$q->where('start_time', '<=', $start_time)
->where('end_time', '>=', $end_time);
// show overlaps the end of the another show
})->orWhere(function($q) use ($start_time, $end_time) {
$q->where('start_time', '<=', $start_time)
->where('end_time', '>=', $start_time)
->where('end_time', '<=', $end_time);
// show completely overlaps another show
})->orWhere(function($q) use ($start_time, $end_time) {
$q->where('start_time', '>=', $start_time)
->where('end_time', '<=', $end_time);
});
});
if(!is_null($show_id)) {
$query->where('id', '!=', $show_id);
}
$existing_show = $query->first();
if(is_null($existing_show)) {
return true;
} else {
$this->exists = $existing_show->name;
return false;
}
});
Validator::replacer('time_clash_check', function($message, $attribute, $rule, $parameters) {
return str_replace(':variable', $this->exists, $message);
});
$rules = [
'name' => 'required|max:255',
'show_code' => 'required|alpha_num|min:10|max:11',
'url_slug' => ['required', 'max:255', 'regex:/^[a-z0-9-_]+$/'],
'youtube_url' => 'url',
'name' => 'required|max:255',
'date' => ['regex:/[0-9]{2}\/[0-9]{2}\/[0-9]{2}/', 'time_clash_check:'.$this->start_time.','.$this->end_time.','.$this->route('id')],
'start_time' => ['regex:/[0-9]{1,2}\:[0-9]{2}\:[0-9]{2}/'],
'end_time' => ['regex:/[0-9]{1,2}\:[0-9]{2}\:[0-9]{2}/']
];
}
}
public function messages()
{
return [
'time_clash_check ' => ':variable has clashed'
];
}
那应该解决问题.
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