feat:AI 토큰 단가 설정 기능 추가 (DB 기반)
- ai_pricing_configs 테이블 마이그레이션 생성 (기본 시드 데이터 포함) - AiPricingConfig 모델 추가 (캐시 적용 단가/환율 조회) - AiReportService 하드코딩 단가를 DB 조회로 변경 Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
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김보곤
67
app/Models/Tenants/AiPricingConfig.php
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67
app/Models/Tenants/AiPricingConfig.php
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<?php
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namespace App\Models\Tenants;
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use Illuminate\Database\Eloquent\Model;
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use Illuminate\Support\Facades\Cache;
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class AiPricingConfig extends Model
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{
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protected $table = 'ai_pricing_configs';
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protected $fillable = [
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'provider',
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'model_name',
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'input_price_per_million',
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'output_price_per_million',
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'unit_price',
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'unit_description',
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'exchange_rate',
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'is_active',
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'description',
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];
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protected $casts = [
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'input_price_per_million' => 'decimal:4',
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'output_price_per_million' => 'decimal:4',
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'unit_price' => 'decimal:6',
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'exchange_rate' => 'decimal:2',
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'is_active' => 'boolean',
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];
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/**
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* 활성 단가 설정 조회 (캐시 적용)
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*/
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public static function getActivePricing(string $provider): ?self
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{
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return Cache::remember("ai_pricing_{$provider}", 3600, function () use ($provider) {
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return self::where('provider', $provider)
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->where('is_active', true)
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->first();
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});
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}
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/**
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* 환율 조회 (첫 번째 활성 레코드 기준)
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*/
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public static function getExchangeRate(): float
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{
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return Cache::remember('ai_pricing_exchange_rate', 3600, function () {
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$config = self::where('is_active', true)->first();
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return $config ? (float) $config->exchange_rate : 1400.0;
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});
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}
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/**
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* 캐시 초기화
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*/
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public static function clearCache(): void
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{
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$providers = ['gemini', 'claude', 'google-stt', 'google-gcs'];
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foreach ($providers as $provider) {
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Cache::forget("ai_pricing_{$provider}");
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}
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Cache::forget('ai_pricing_exchange_rate');
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}
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}
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@@ -2,6 +2,7 @@
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namespace App\Services;
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use App\Models\Tenants\AiPricingConfig;
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use App\Models\Tenants\AiReport;
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use App\Models\Tenants\AiTokenUsage;
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use App\Models\Tenants\Card;
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@@ -398,12 +399,13 @@ private function saveTokenUsage(array $apiResult, string $model, string $menuNam
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$completionTokens = $usage['candidatesTokenCount'] ?? 0;
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$totalTokens = $usage['totalTokenCount'] ?? 0;
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// Gemini 2.0 Flash 기준 단가 (USD per token)
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$inputPricePerToken = 0.10 / 1_000_000; // $0.10 / 1M tokens
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$outputPricePerToken = 0.40 / 1_000_000; // $0.40 / 1M tokens
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// DB 단가 조회 (fallback: 하드코딩 기본값)
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$pricing = AiPricingConfig::getActivePricing('gemini');
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$inputPricePerToken = $pricing ? (float) $pricing->input_price_per_million / 1_000_000 : 0.10 / 1_000_000;
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$outputPricePerToken = $pricing ? (float) $pricing->output_price_per_million / 1_000_000 : 0.40 / 1_000_000;
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$costUsd = ($promptTokens * $inputPricePerToken) + ($completionTokens * $outputPricePerToken);
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$exchangeRate = (float) config('services.gemini.exchange_rate', 1400);
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$exchangeRate = AiPricingConfig::getExchangeRate();
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$costKrw = $costUsd * $exchangeRate;
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AiTokenUsage::create([
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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\DB;
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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('ai_pricing_configs', function (Blueprint $table) {
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$table->id();
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$table->string('provider', 50)->comment('제공자 (gemini, claude, google-stt, google-gcs)');
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$table->string('model_name', 100)->comment('모델명 (gemini-2.0-flash, claude-3-haiku 등)');
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$table->decimal('input_price_per_million', 10, 4)->default(0)->comment('입력 토큰 백만개당 가격 (USD)');
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$table->decimal('output_price_per_million', 10, 4)->default(0)->comment('출력 토큰 백만개당 가격 (USD)');
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$table->decimal('unit_price', 10, 6)->default(0)->comment('단위 가격 (STT: 15초당, GCS: 1000건당)');
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$table->string('unit_description', 100)->nullable()->comment('단위 설명 (예: per 15 seconds)');
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$table->decimal('exchange_rate', 8, 2)->default(1400)->comment('USD→KRW 환율');
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$table->boolean('is_active')->default(true)->comment('활성 여부');
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$table->string('description', 255)->nullable()->comment('설명');
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$table->timestamps();
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$table->unique('provider', 'uq_ai_pricing_provider');
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$table->index('is_active', 'idx_ai_pricing_active');
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});
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// 기본 시드 데이터 삽입
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$now = now();
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DB::table('ai_pricing_configs')->insert([
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[
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'provider' => 'gemini',
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'model_name' => 'gemini-2.0-flash',
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'input_price_per_million' => 0.1000,
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'output_price_per_million' => 0.4000,
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'unit_price' => 0,
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'unit_description' => null,
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'exchange_rate' => 1400,
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'is_active' => true,
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'description' => 'Gemini 2.0 Flash - 입력 $0.10/1M, 출력 $0.40/1M',
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'created_at' => $now,
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'updated_at' => $now,
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],
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[
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'provider' => 'claude',
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'model_name' => 'claude-3-haiku',
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'input_price_per_million' => 0.2500,
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'output_price_per_million' => 1.2500,
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'unit_price' => 0,
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'unit_description' => null,
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'exchange_rate' => 1400,
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'is_active' => true,
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'description' => 'Claude 3 Haiku - 입력 $0.25/1M, 출력 $1.25/1M',
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'created_at' => $now,
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'updated_at' => $now,
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],
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[
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'provider' => 'google-stt',
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'model_name' => 'latest_long',
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'input_price_per_million' => 0,
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'output_price_per_million' => 0,
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'unit_price' => 0.009000,
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'unit_description' => 'per 15 seconds',
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'exchange_rate' => 1400,
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'is_active' => true,
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'description' => 'Google Speech-to-Text - $0.009/15초',
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'created_at' => $now,
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'updated_at' => $now,
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],
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[
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'provider' => 'google-gcs',
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'model_name' => 'cloud-storage',
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'input_price_per_million' => 0,
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'output_price_per_million' => 0,
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'unit_price' => 0.005000,
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'unit_description' => 'per 1000 operations',
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'exchange_rate' => 1400,
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'is_active' => true,
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'description' => 'Google Cloud Storage - $0.005/1000건',
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'created_at' => $now,
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'updated_at' => $now,
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],
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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('ai_pricing_configs');
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}
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};
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