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  • N:M๊ด€๊ณ„์‹œ ๊ด€๊ณ„ ํ…Œ์ด๋ธ” ์ •๋ณด๊นŒ์ง€ ์ธ๋ฑ์Šค์— ์ €์žฅํ•˜๋Š” ๋ฐฉ๋ฒ•
  • N:M ์กฐํšŒ
  1. PHP
  2. Laravel

tntsearch

TNT search

์„ค์น˜ ๋ฐฉ๋ฒ•์€ ๊ณต์‹ ํ™ˆํŽ˜์ด์ง€์— ์žˆ์–ด ์ƒ๋žต

N:M๊ด€๊ณ„์‹œ ๊ด€๊ณ„ ํ…Œ์ด๋ธ” ์ •๋ณด๊นŒ์ง€ ์ธ๋ฑ์Šค์— ์ €์žฅํ•˜๋Š” ๋ฐฉ๋ฒ•

 public function toSearchableArray (): array {
        $array = $this->toArray();
        $tags = $this->tags->toArray();
        $tagInfo = '';
        foreach ($tags as $tag){
            $tagInfo = $tagInfo . ' , ' . $tag['title'];
        }
        $array['tags'] = $tagInfo;
        return array(
            'id' => $array['id'],
            'content' => $array['content'],
            'tags' => $array['tags']
        );
    }

toSearchableArray()๋ฉ”์„œ๋“œ๋ฅผ ์ด์šฉํ•ด์„œ index์— ์ €์žฅํ•˜๋Š” ํ˜•ํƒœ๋ฅผ ์ •์˜ ํ•  ์ˆ˜ ์žˆ๋Š”๋ฐ $this->tags->toArray()์™€ ๊ฐ™์ด ์—ฐ๊ด€๋œ ํ…Œ์ด๋ธ”์„ ์กฐํšŒํ•  ์ˆ˜ ์žˆ๋‹ค. N์—์„œ 1์„ ๋ถˆ๋Ÿฌ์˜ค๋Š” ๊ฒฝ์šฐ๋ผ๋ฉด ๊ทธ๋Œ€๋กœ ๋ฐ”๋กœ ์ ์šฉํ•ด๋„ ๋˜์ง€๋งŒ 1->N ์ด๊ฑฐ๋‚˜ N:M๊ด€๊ณ„์‹œ์—๋Š” ์ด์ค‘๋ฐฐ์—ด์ด $tags์— ์ €์žฅ์ด ๋œ๋‹ค.

ํ•˜์ง€๋งŒ return๋˜๋Š” ๋ฐฐ์—ด์€ ์ผ์ฐจ์›๋ฐฐ์—ด์„ returnํ•ด์•ผ ํ•˜๊ธฐ ๋•Œ๋ฌธ์— json_encode()๋กœ ์ผ๊ด„ ๋ฌธ์ž์—ด์œผ๋กœ ๋ฐ”๊ฟ”๋ฒ„๋ ค์ฃผ์–ด์•ผ ํ•œ๋‹ค. ์ด๋•Œ, implode()๋ฅผ ์‚ฌ์šฉํ•˜๋ฉด 2์ฐจ์› ๋ฐฐ์—ด์ด๊ธฐ ๋•Œ๋ฌธ์— convert๊ฐ€ ๋˜์ง€ ์•Š๋Š”๋‹ค.

๋‚˜๋Š” ์‹ค์ œ๋กœ ์“ธ๋ชจ์žˆ๋Š” ๋ฐ์ดํ„ฐ๋Š” tags์˜ title๋งŒ index์— ์ €์žฅ๋˜๋ฉด ๋˜๊ธฐ ๋•Œ๋ฌธ์— foreach๋ฅผ ์ด์šฉํ•ด ๋ฌธ์ž์—ด๋กœ serializeํ•ด์ฃผ์–ด index์— ์ €์žฅ๋˜๊ฒŒ ํ•ด์ฃผ์—ˆ๋‹ค.

//๋ฌธ๊ตฌ ๋“ฑ๋ก
$this->userService->createPost($user, $post);

//tag null์ด ์•„๋‹ˆ๋ผ๋ฉด tag ๋“ฑ๋ก๊ณผ ์—ฐ๊ฒฐ
$tagsRequest = $request['tags'];
if(!empty($tagsRequest)){
    $tags = $this->tagService->createTag($tagsRequest);
    $this->postService->connectWithTags($post, $tags);
}
$post->searchable();

post๋ฅผ saveํ• ๋•Œ index์— ์ €์žฅ๋œ๋‹ค๊ณ  ๊ณต์‹๋ฌธ์„œ์—์„œ ๊ทธ๋žฌ์œผ๋‹ˆ ์ž˜ ์ €์žฅ๋˜๊ฒ ์ง€ ์‹ถ๊ฒ ์ง€๋งŒ ์‹ค์ œ๋กœ๋Š” ๋ฌธ์ œ๊ฐ€ ๋ฐœ์ƒํ•œ๋‹ค.

N:M์˜ ๊ด€๊ณ„๋ฅผ ์œ„์™€ ๊ฐ™์ด eloquent๋ฅผ ์ด์šฉํ•ด ์ €์žฅํ•˜๋ ค๊ณ  ํ•œ๋‹ค๋ฉด post๋ฅผ ์ €์žฅํ•˜๊ณ  tags๋ฅผ ์ €์žฅํ•˜๊ณ  ๊ทธ๋‹ค์Œ์—์„œ์•ผ post_tag๋ฅผ ์ €์žฅํ•œ๋‹ค.

๊ทธ๊ฒŒ ๋ญ๊ฐ€ ๋ฌธ์ œ์•ผ ์‹ถ๊ฒ ์ง€๋งŒ ์ž˜ ๋ณด๋ฉด ์ดํ•ดํ•  ์ˆ˜ ์žˆ๋‹ค. save()์„ ๋ณด๋ฉด tags์™€ ์—ฐ๊ด€๊ด€๊ณ„๊ฐ€ ๋งบ์–ด์ง€๊ธฐ ์ „์— ํ˜ธ์ถœ๋œ๋‹ค. ๊ทธ๋ ‡๊ธฐ ๋•Œ๋ฌธ์— index์— tags์ •๋ณด๊ฐ€ ์ €์žฅ๋˜์ง€ ์•Š๋Š” ๊ฒƒ์ด๋‹ค. post์ €์žฅํ•˜๊ธฐ์ „์— tags์™€ ๊ด€๊ณ„๋ฅผ ๋งบ์œผ๋ ค๊ณ  ํ•˜๋ฉด post๊ฐ€ ์ €์žฅ๋˜์ง€ ์•Š์•„์„œ ํ…Œ์ด๋ธ”id๊ฐ€์—†์–ด ๊ด€๊ณ„๊ฐ€ ๋งบ์–ด์ง€์ง€ ์•Š๋Š”๋‹ค.

์ด๋•Œ๋Š” ๋ชจ๋“  ๋กœ์ง์„ ์ˆ˜ํ–‰ํ•˜๊ณ  $post->searchable()์„ ์ˆ˜ํ–‰ํ•˜์—ฌ ๋‹ค์‹œ index์— ์ €์žฅํ•ด์ฃผ๋ฉด๋œ๋‹ค. searchable()๋ฉ”์„œ๋“œ๋Š” index์— ์žˆ๋Š” ์ •๋ณด๋ผ๋ฉด ์ˆ˜์ •์„ ์—†๋‹ค๋ฉด ์‚ฝ์ž…์„ ์ˆ˜ํ–‰ํ•œ๋‹ค. ํ•˜์ง€๋งŒ shouldBeSearchable()์—์„œ ํ•„ํ„ฐ๋ง์ด ๋˜์–ด index์— ์ €์žฅํ•˜์ง€ ์•Š๊ธฐ๋กœ ํ–ˆ๋˜ ๋ชจ๋ธ๋„ ์ด ๋ฉ”์„œ๋“œ๋ฅผ ์ˆ˜ํ–‰ํ•˜๋ฉด index์— ์ €์žฅ์ด ๋˜๊ธฐ ๋•Œ๋ฌธ์— ์ฃผ์˜ํ•ด์„œ ์‚ฌ์šฉํ•ด์•ผํ•œ๋‹ค.

N:M ์กฐํšŒ

์œ„์™€ ๊ฐ™์ด ์„ค์ •์„ ํ–ˆ๋‹ค๋ฉด index์—๋Š” ์ €์žฅ์ด ๋˜์–ด search()๋ฉ”์„œ๋“œ๋กœ ์ž˜ ๊ฒ€์ƒ‰์ด ๋œ๋‹ค. ํ•˜์ง€๋งŒ ์•„๋ž˜์™€ ๊ฐ™์ด ์‚ฌ์šฉํ•˜๋ ค๊ณ  ํ•˜๋ฉด ์—ฐ๊ด€ํ…Œ์ด๋ธ” ์ •๋ณด๊ฐ€ ๊ฒ€์ƒ‰๋˜์ง€ ์•Š๋Š”๋‹ค.

class SearchController extends Controller
{
    public function search(Request $request){
        $keyword = $request->query('keyword');
        $posts = Post::search($keyword)->get();
       return ApiUtils::success($posts);
    }
}

์ด์œ ์— ๋Œ€ํ•ด ํ•œ์ฐธ ํ—ค๋งค๋ฉด์„œ ๊ณ ๋ฏผ์„ ํ–ˆ๋Š”๋ฐ ์ด์œ ๋Š” ๋‹จ์ˆœํ–ˆ๋‹ค. ๋กœ์ง์ด index์—์„œ ์ •๋ณด๋ฅผ ์กฐํšŒํ•ด์„œ ๊ทธ ์ •๋ณด๋ฅผ ๊ทธ๋Œ€๋กœ ์ถœ๋ ฅํ•ด์ฃผ๋Š” ๊ฒƒ์ด ์•„๋‹ˆ๋ผ ๋จผ์ € search()๋ฉ”์„œ๋“œ์™€ get()๋ฉ”์„œ๋“œ๋ฅผ ํ†ตํ•ด keyword๋ฅผ index์—์„œ ์กฐํšŒํ•˜์—ฌ table์˜ key๋ฅผ ์ฐพ๋Š”๋‹ค. ๊ทธ๋ž˜์„œ select ์ฟผ๋ฆฌ๊ฐ€ ํ•œ ๋ฒˆ ๋ฐœ์ƒํ•œ๋‹ค.

๋‚ด์šฉ์˜ ํƒ์ƒ‰๋งŒ tntsearch์˜ indexํ•„๋“œ๋ฅผ ์ด์šฉํ•˜์—ฌ ๋น ๋ฅด๊ฒŒ ๊ฒ€์ƒ‰ํ•  ๋ฟ ๊ทธ ์ดํ›„๋Š” eloquent์™€ ์‚ฌ์šฉ๋ฒ•์ด ๊ฐ™์€ ๊ฒƒ์ด์—ˆ๋‹ค. Eloquent๋Š” ๊ธฐ๋ณธ์ด ์ง€์—ฐ๋กœ๋”ฉ์ด๊ธฐ ๋•Œ๋ฌธ์— ์—ฐ๊ด€ํ…Œ์ด๋ธ”์˜ ์ •๋ณด๊ฐ€ ์—†๋Š” ๊ฒƒ์ด๋‹ค.

tag์ •๋ณด๊นŒ์ง€ ์กฐํšŒํ•˜๊ธฐ ์œ„ํ•ด์„œ๋Š” ์•„๋ž˜์™€ ๊ฐ™์ด return๋ฌธ์„ ์ˆ˜์ •ํ•ด์ฃผ๋ฉด๋œ๋‹ค.

return ApiUtils::success($posts->load('tags'));

load()๋กœ tagsํ…Œ์ด๋ธ”์„ ์กฐํšŒํ•˜์—ฌ ๋ฐ˜ํ™˜ํ•˜๋ฉด tag์ •๋ณด๊นŒ์ง€ ์ž˜ ๋ฐ˜ํ™˜์ด ๋˜๋ฉฐ ์ง€์—ฐ๋กœ๋”ฉ์‹œ postsํ…Œ์ด๋ธ”๊ณผ tags/post_tag ํ…Œ์ด๋ธ”์„ ์กฐ์ธํ•˜์—ฌ ์กฐํšŒํ•˜๊ธฐ ๋•Œ๋ฌธ์— select์ฟผ๋ฆฌ๊ฐ€ ํ•œ๋ฒˆ ๋” ๋ฐœ์ƒํ•œ๋‹ค.

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