feat: implement currency exchange rate scraping service and command

app/Console/Commands/FetchCurrencyCommand.php

@@ -0,0 +1,102 @@
+<?php
+
+namespace App\Console\Commands;
+
+use App\Services\CurrencyService;
+use Illuminate\Console\Command;
+use Illuminate\Support\Facades\Log;
+
+class FetchCurrencyCommand extends Command
+{
+    protected $signature = 'currency:fetch {--today : Fetch only today\'s data}';
+
+    protected $description = 'Fetch currency exchange rates from boqash.com';
+
+    /**
+     * Execute the console command.
+     *
+     * @return int
+     */
+    public function handle(CurrencyService $currencyService) : int
+    {
+        $this->info('Fetching currency data...');
+
+        try {
+            if ($this->option('today')) {
+                $this->fetchTodayData($currencyService);
+            } else {
+                $this->fetchHistoricalData($currencyService);
+            }
+
+            $this->info('Currency data fetched successfully!');
+            return Command::SUCCESS;
+        } catch (\Exception $e) {
+            $this->error('Failed to fetch currency data: ' . $e->getMessage());
+            Log::error('Currency fetch command failed', [
+                'error' => $e->getMessage(),
+                'trace' => $e->getTraceAsString()
+            ]);
+            return Command::FAILURE;
+        }
+    }
+
+    /**
+     * Fetch and display today's currency data.
+     *
+     * @return void
+     */
+    protected function fetchTodayData(CurrencyService $currencyService)
+    {
+        $data = $currencyService->getTodayCurrencies();
+        
+        if (empty($data)) {
+            $this->warn('No currency data available for today.');
+            return;
+        }
+
+        $this->info('Today\'s Currency Data:');
+        $this->table(
+            ['Currency', 'City', 'Buy Price', 'Sell Price', 'Date', 'Day'],
+            array_map(function ($item) {
+                return [
+                    $item['currency'],
+                    $item['city'],
+                    $item['price_buy'],
+                    $item['price_sell'],
+                    $item['date'],
+                    $item['day']
+                ];
+            }, $data)
+        );
+    }
+
+    /**
+     * Fetch and display historical currency data.
+     *
+     * @return void
+     */
+    protected function fetchHistoricalData(CurrencyService $currencyService)
+    {
+        $data = $currencyService->getLastTwentyDays();
+        
+        if (empty($data)) {
+            $this->warn('No historical currency data available.');
+            return;
+        }
+
+        $this->info('Last 20 Days Currency Data:');
+        $this->table(
+            ['Currency', 'City', 'Buy Price', 'Sell Price', 'Date', 'Day'],
+            array_map(function ($item) {
+                return [
+                    $item['currency'],
+                    $item['city'],
+                    $item['price_buy'],
+                    $item['price_sell'],
+                    $item['date'],
+                    $item['day']
+                ];
+            }, $data)
+        );
+    }
+}