50 lines
1.5 KiB
PHP
50 lines
1.5 KiB
PHP
<?php
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namespace App\Models;
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use App\Enums\PredictionSource;
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use App\Enums\TrendDirection;
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use Database\Factories\PricePredictionFactory;
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use Illuminate\Database\Eloquent\Attributes\Fillable;
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use Illuminate\Database\Eloquent\Builder;
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use Illuminate\Database\Eloquent\Factories\HasFactory;
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use Illuminate\Database\Eloquent\Model;
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use Illuminate\Support\Carbon;
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#[Fillable(['predicted_for', 'source', 'direction', 'confidence', 'reasoning', 'generated_at'])]
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class PricePrediction extends Model
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{
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/** @use HasFactory<PricePredictionFactory> */
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use HasFactory;
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public $timestamps = false;
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protected function casts(): array
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{
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return [
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'predicted_for' => 'date',
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'source' => PredictionSource::class,
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'direction' => TrendDirection::class,
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'confidence' => 'integer',
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'generated_at' => 'datetime',
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];
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}
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/**
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* Order by source quality: llm_with_context → llm → ewma.
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* Use this whenever reading the "best" prediction for a given date.
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*
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* @param Builder<PricePrediction> $query
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* @return Builder<PricePrediction>
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*/
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public function scopeBestFirst(Builder $query): Builder
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{
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$priority = implode(', ', array_map(
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fn (string $v) => "'$v'",
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[PredictionSource::LlmWithContext->value, PredictionSource::Llm->value, PredictionSource::Ewma->value],
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));
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return $query->orderByRaw("FIELD(source, $priority)");
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}
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}
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