fix: export daily change dates transposition

reference #148

app/Exports/Sheets/DailyChangesSheet.php

@@ -33,7 +33,24 @@ class DailyChangesSheet implements FromCollection, WithHeadings, WithTitle
      */
     public function collection()
     {
-        return $this->empty ? collect() : DailyChange::myDailyChanges()->withDailyPerformance()->get();
+        if ($this->empty) {
+            return collect();
+        }
+
+        return DailyChange::myDailyChanges()
+            ->withDailyPerformance()
+            ->get()
+            ->map(function ($daily_change) {
+                return [
+                    'date' => date_format($daily_change->date, 'Y-m-d'),
+                    'portfolio_id' => $daily_change->portfolio_id,
+                    'total_market_value' => $daily_change->total_market_value,
+                    'total_cost_basis' => $daily_change->total_cost_basis,
+                    'realized_gains' => $daily_change->realized_gain_dollars,
+                    'total_dividends_earned' => $daily_change->total_dividends_earned,
+                    'annotation' => $daily_change->annotation,
+                ];
+            });
     }
 
     public function title(): string

app/Exports/Sheets/TransactionsSheet.php

@@ -58,7 +58,7 @@ class TransactionsSheet implements FromCollection, WithHeadings, WithTitle
                     'currency' => $transaction->market_data_currency,
                     'split' => $transaction->split,
                     'reinvested_dividend' => $transaction->reinvested_dividend,
-                    'date' => $transaction->date,
+                    'date' => date_format($transaction->date, 'Y-m-d'),
                     'created_at' => $transaction->created_at,
                     'updated_at' => $transaction->updated_at,
                 ];

app/Models/DailyChange.php

@@ -121,7 +121,7 @@ class DailyChange extends Model
             ->groupBy('portfolio_id', 'date');
 
         return $query
-            ->select(['daily_change.portfolio_id', 'daily_change.date'])
+            ->select(['daily_change.date', 'daily_change.portfolio_id'])
             ->selectRaw('daily_change.total_market_value * COALESCE(cr.rate, 1) AS total_market_value')
             ->selectRaw('SUM(COALESCE(ccb.cumulative_cost_basis, 0)) AS total_cost_basis')
             ->selectRaw('daily_change.total_market_value * COALESCE(cr.rate, 1)