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simplify dividend calculations

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This commit is contained in:
hackerESQ
2024-09-15 23:42:11 -05:00
parent b5988e2f01
commit 9eeeb0554c
1 changed files with 17 additions and 23 deletions
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app/Models/Dividend.php
+17 -23
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@@ -6,7 +6,6 @@ use App\Models\Holding;
use App\Models\MarketData;
use App\Models\Transaction;
use Illuminate\Support\Str;
use Illuminate\Support\Facades\DB;
use Illuminate\Database\Eloquent\Model;
use App\Interfaces\MarketData\MarketDataInterface;
use Illuminate\Database\Eloquent\Concerns\HasUuids;
@@ -103,28 +102,23 @@ class Dividend extends Model
$symbol = $dividend_data->last()['symbol'];
// group by holdings
$dividends = self::select('holdings.portfolio_id', 'dividends.date', 'dividends.symbol', 'dividends.dividend_amount')
->join('transactions', 'transactions.symbol', 'dividends.symbol')
->join('holdings', 'transactions.portfolio_id', 'holdings.portfolio_id')
->leftJoin(DB::raw('(SELECT symbol, portfolio_id, COALESCE(SUM(quantity), 0) AS total_purchased
FROM transactions
WHERE transaction_type = "BUY"
GROUP BY symbol, portfolio_id) AS purchases'), function($join) {
$join->on('purchases.symbol', 'dividends.symbol')
->on('purchases.portfolio_id', 'holdings.portfolio_id');
})
->leftJoin(DB::raw('(SELECT symbol, portfolio_id, COALESCE(SUM(quantity), 0) AS total_sold
FROM transactions
WHERE transaction_type = "SELL"
GROUP BY symbol, portfolio_id) AS sales'), function($join) {
$join->on('sales.symbol', 'dividends.symbol')
->on('sales.portfolio_id', 'holdings.portfolio_id');
})
->selectRaw('COALESCE(purchases.total_purchased, 0) - COALESCE(sales.total_sold, 0) AS owned')
->selectRaw('(COALESCE(purchases.total_purchased, 0) - COALESCE(sales.total_sold, 0)) * dividends.dividend_amount AS dividends_received')
->where('dividends.symbol', $dividend_data->last()['symbol'])
->groupBy('holdings.portfolio_id', 'dividends.date', 'dividends.symbol', 'dividends.dividend_amount')
->get();
$dividends = self::select(['holdings.portfolio_id', 'dividends.date', 'dividends.symbol', 'dividends.dividend_amount'])
->selectRaw('
(COALESCE(SUM(CASE WHEN transactions.transaction_type = "BUY"
AND date(transactions.date) <= date(dividends.date)
THEN transactions.quantity ELSE 0 END), 0)
- COALESCE(SUM(CASE WHEN transactions.transaction_type = "SELL"
AND date(transactions.date) <= date(dividends.date)
THEN transactions.quantity ELSE 0 END), 0))
* dividends.dividend_amount
AS dividends_received
')
->join('transactions', 'transactions.symbol', '=', 'dividends.symbol')
->join('holdings', 'transactions.portfolio_id', '=', 'holdings.portfolio_id')
->where('dividends.symbol', $dividend_data->last()['symbol'])
->groupBy('holdings.portfolio_id', 'dividends.date', 'dividends.symbol', 'dividends.dividend_amount')
->havingRaw('dividends_received > 0')
->get();
// iterate through holdings and update
Holding::where(['symbol' => $symbol])