[英]Highlighting search results when using Laravel Scout
在我的應用程序中,我將Laravel Scout與TNTSearch驅動程序配合使用,以在網站導航中創建一個搜索欄,該搜索欄已連接到搜索方法。
搜索方法搜索一堆不同的模型,並將找到的結果返回給視圖。
方法如下:
/**
* Perform a search given what the user entered into the search box.
* Uses Laravel Scout to do initial search but because the use of WHERE is limited,
* we use a filter function instead, on each collection.
*
* @param Request $request
* @return void
*/
public function search(Request $request)
{
// The search string entered
$search = $request->get('q');
// Laravel Scout search() method
$users = User::search($search)->get();
$articles = Article::search($search)->get();
$events = Event::search($search)->get();
$files = FileMetaData::search($search)->get();
// The date and time as of right now
$today = Carbon::now();
/**
* Below are the filters in place for each model search
* 1. News articles must be open
* 2. \Events are split into open and closed
*/
$articles = $articles->filter(function ($articles) {
return $articles->published === 'published';
});
$upcomingEvents = $events->filter(function ($events) use ($today) {
return $events->startDate->gt($today);
});
$pastEvents = $events->filter(function ($events) use ($today) {
return $events->startDate->lt($today);
});
$userCount = count($users);
$articleCount = count($articles);
$eventCount = count($events);
$upcomingEventCount = count($upcomingEvents);
$pastEventCount = count($pastEvents);
$fileCount = count($files);
return view('pages.search.index', compact('search', 'users', 'articles', 'upcomingEvents', 'pastEvents', 'userCount', 'articleCount', 'upcomingEventCount', 'pastEventCount', 'files', 'fileCount'));
}
如您所見,我正在使用Scout的search()
函數搜索每個模型,然后對結果施加一些其他約束,然后再將它們返回到我的視圖中。
視圖本身
我希望頂部的突出顯示的文本也可以突出顯示搜索結果本身的位置,但是我似乎在文檔中找不到關於將TNT Highlighter類與Laravel一起使用的任何信息。
在拉拉卡斯(Laracasts)論壇中拖網沖浪時,我發現了這一點: https ://laracasts.com/discuss/channels/laravel/algolia-highlighting-in-laravel-53?page =1
興趣點
<?php
use TeamTNT\TNTSearch\TNTSearch;
$articles = Article::search($searchString)->get();
$tnt = new TNTSearch;
$articles = $articles->map(function($article) use ($searchString, $tnt) {
$article->title = $tnt->highlight($title, $searchString, 'em'),
});
就我而言,每個結果集都需要此代碼段嗎?
更新:
$articles = Article::search($search)->get();
/**
* Declaire where highlighting should occur for each collection
*/
// Articles
$articles = $articles->map(function($article) use ($search, $tnt){
$article->title = $tnt->highlight($article->title, $search, b, [
'simple' => false,
'wholeWord' => false,
'tagOptions' => [
'class' => 'search-term',
'title' => 'test'
]
]);
return $article;
});
我對TNT熒光筆不熟悉,但是如果您想嘗試自己的方法,則可以使用以下方法:
/**
* @$str = The string to highlight
* @$search_term = The term we are looking for in $str
**/
function highlightString($str, $search_term) {
if (empty($search_term))
return $str;
$pos = strpos(strtolower($str), strtolower($search_term));
if ($pos !== false) {
$replaced = substr($str, 0, $pos);
$replaced .= '<em>' . substr($str, $pos, strlen($search_term)) . '</em>';
$replaced .= substr($str, $pos + strlen($search_term));
} else {
$replaced = $str;
}
return $replaced;
}
只是不要忘記為<em>
標簽設置樣式
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