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Add Related Hashtags
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22
app/Models/HashtagRelated.php
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app/Models/HashtagRelated.php
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<?php
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namespace App\Models;
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use Illuminate\Database\Eloquent\Factories\HasFactory;
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use Illuminate\Database\Eloquent\Model;
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class HashtagRelated extends Model
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{
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use HasFactory;
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/**
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* The attributes that should be mutated to dates and other custom formats.
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*
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* @var array
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*/
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protected $casts = [
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'related_tags' => 'array',
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'last_calculated_at' => 'datetime',
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'last_moderated_at' => 'datetime',
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];
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}
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36
app/Services/HashtagRelatedService.php
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app/Services/HashtagRelatedService.php
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<?php
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namespace App\Services;
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use DB;
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use App\StatusHashtag;
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use App\Models\HashtagRelated;
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class HashtagRelatedService
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{
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public static function get($id)
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{
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return HashtagRelated::whereHashtagId($id)->first();
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}
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public static function fetchRelatedTags($tag)
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{
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$res = StatusHashtag::query()
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->select('h2.name', DB::raw('COUNT(*) as related_count'))
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->join('status_hashtags as hs2', function ($join) {
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$join->on('status_hashtags.status_id', '=', 'hs2.status_id')
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->whereRaw('status_hashtags.hashtag_id != hs2.hashtag_id')
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->where('status_hashtags.created_at', '>', now()->subMonths(3));
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})
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->join('hashtags as h1', 'status_hashtags.hashtag_id', '=', 'h1.id')
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->join('hashtags as h2', 'hs2.hashtag_id', '=', 'h2.id')
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->where('h1.name', '=', $tag)
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->groupBy('h2.name')
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->orderBy('related_count', 'desc')
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->limit(10)
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->get();
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return $res;
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}
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}
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<?php
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use Illuminate\Database\Migrations\Migration;
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use Illuminate\Database\Schema\Blueprint;
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use Illuminate\Support\Facades\Schema;
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return new class extends Migration
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{
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/**
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* Run the migrations.
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*/
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public function up(): void
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{
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Schema::create('hashtag_related', function (Blueprint $table) {
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$table->bigIncrements('id');
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$table->bigInteger('hashtag_id')->unsigned()->unique()->index();
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$table->json('related_tags')->nullable();
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$table->bigInteger('agg_score')->unsigned()->nullable()->index();
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$table->timestamp('last_calculated_at')->nullable()->index();
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$table->timestamp('last_moderated_at')->nullable()->index();
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$table->boolean('skip_refresh')->default(false)->index();
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$table->timestamps();
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});
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}
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/**
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* Reverse the migrations.
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*/
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public function down(): void
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{
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Schema::dropIfExists('hashtag_related');
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}
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};
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