52 lines
1 KiB
PHP
52 lines
1 KiB
PHP
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<?php
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namespace App\Models\Transactions;
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use Illuminate\Database\Eloquent\Factories\HasFactory;
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use Illuminate\Database\Eloquent\Model;
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class Purchase extends Model
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{
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use HasFactory;
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protected $fillable = [
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'date',
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'shares',
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'price_per_share',
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'total_cost',
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];
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protected $casts = [
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'date' => 'date',
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'shares' => 'decimal:6',
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'price_per_share' => 'decimal:4',
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'total_cost' => 'decimal:2',
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];
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/**
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* Calculate total shares
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*/
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public static function totalShares(): float
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{
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return static::sum('shares');
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}
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/**
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* Calculate total investment
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*/
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public static function totalInvestment(): float
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{
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return static::sum('total_cost');
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}
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/**
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* Get average cost per share
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*/
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public static function averageCostPerShare(): float
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{
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$totalShares = static::totalShares();
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$totalCost = static::totalInvestment();
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return $totalShares > 0 ? $totalCost / $totalShares : 0;
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}
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}
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