Files
investbrain/app/Models/Dividend.php
T
hackerESQ ce4a736101 wip
2024-09-01 15:34:55 -05:00

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4.5 KiB
PHP

<?php
namespace App\Models;
use Illuminate\Database\Eloquent\Model;
use App\Interfaces\MarketData\MarketDataInterface;
use Illuminate\Database\Eloquent\Concerns\HasUuids;
use Illuminate\Database\Eloquent\Factories\HasFactory;
class Dividend extends Model
{
use HasFactory;
use HasUuids;
protected $fillable = [
'symbol',
'date',
'dividend_amount',
];
protected $hidden = [];
protected $casts = [
'date' => 'datetime',
'first_date' => 'datetime',
'last_date' => 'datetime',
];
public function marketData() {
return $this->belongsTo(MarketData::class, 'symbol', 'symbol');
}
public function holdings() {
return $this->hasMany(Holding::class, 'symbol', 'symbol');
}
public function transactions() {
return $this->hasMany(Transaction::class, 'symbol', 'symbol');
}
/**
* Grab new dividend data
*
* @param string $symbol
* @return void
*/
public static function refreshDividendData(string $symbol)
{
$dividends_meta = self::where(['symbol' => $symbol])
->selectRaw('COUNT(symbol) as total_dividends')
->selectRaw('MAX(date) as last_date')
->get()
->first();
// assume we need to populate ALL dividend data
$start_date = new \DateTime('@0');
$end_date = now();
// nope, refresh forward looking only
if ( $dividends_meta->total_dividends ) {
$start_date = $dividends_meta->last_date->addHours(48);
}
// get some data
if ($dividend_data = collect() && $start_date && $end_date) {
$dividend_data = app(MarketDataInterface::class)->dividends($symbol, $start_date, $end_date);
}
// ah, we found some dividends...
if ($dividend_data->isNotEmpty()) {
// create mass insert
foreach ($dividend_data as $index => $dividend){
$dividend_data[$index] = [...$dividend, ...['updated_at' => now(), 'created_at' => now()]];
}
// insert records
(new self)->insert($dividend_data->toArray());
// sync to holdings
self::syncHoldings($dividend_data);
// sync last dividend amount to market data table
$market_data = MarketData::symbol($symbol)->first();
$market_data->last_dividend_amount = $dividend_data->sortByDesc('date')->first()['amount'];
$market_data->save();
}
return $dividend_data;
}
public static function syncHoldings($dividend_data): void
{
$symbol = $dividend_data->last()->symbol;
// group by holdings
$dividends = self::where([
'dividends.symbol' => $dividend_data->last()->symbol,
])
->select(['holdings.portfolio_id', 'dividends.date', 'dividends.symbol', 'dividends.dividend_amount'])
->selectRaw('@purchased:=(SELECT coalesce(SUM(quantity),0) FROM transactions WHERE transactions.transaction_type = "BUY" AND transactions.symbol = dividends.symbol AND date(transactions.date) <= date(dividends.date) AND holdings.portfolio_id = transactions.portfolio_id ) AS `purchased`')
->selectRaw('@sold:=(SELECT coalesce(SUM(quantity),0) FROM transactions WHERE transactions.transaction_type = "SELL" AND transactions.symbol = dividends.symbol AND date(transactions.date) <= date(dividends.date) AND holdings.portfolio_id = transactions.portfolio_id ) AS `sold`')
->selectRaw('@owned:=(@purchased - @sold) AS `owned`')
->selectRaw('@dividends_received:=(@owned * dividends.dividend_amount) AS `dividends_received`')
->join('transactions', 'transactions.symbol', 'dividends.symbol')
->join('holdings', 'transactions.portfolio_id', 'holdings.portfolio_id')
->groupBy(['holdings.portfolio_id', 'dividends.date', 'dividends.symbol', 'dividends.dividend_amount'])
->get();
// iterate through holdings and update
Holding::where(['symbol' => $symbol])
->get()
->each(function ($holding) use ($dividends) {
$holding->update([
'dividends_earned' => $dividends->where('portfolio_id', $holding->portfolio_id)
->sum('dividends_received')
]);
});
}
}