Enhance Scraper with One-Time Date Range Functionality

- Added command line flags for specifying a date range and a one-time scraping mode in the scraper's main function.
- Implemented validation for the date inputs to ensure both dates are provided and correctly formatted.
- Introduced a new RunOneTimeScraping function to handle the one-time scraping logic, including context management and error handling.
- Updated the TED scraper initialization to support both scheduled and one-time scraping modes, improving flexibility in data retrieval.
- Enhanced logging to provide clear feedback on the scraping process and any errors encountered.

cmd/scraper/main.go

@@ -2,6 +2,8 @@ package main
 
 import (
 	"context"
+	"flag"
+	"fmt"
 	"os"
 	"os/signal"
 	"syscall"
@@ -10,6 +12,14 @@ import (
 )
 
 func main() {
+	// Define command line flags
+	var (
+		fromDate = flag.String("from", "", "Start date for scraping (format: 02/01/2006)")
+		toDate   = flag.String("to", "", "End date for scraping (format: 02/01/2006)")
+		oneTime  = flag.Bool("onetime", false, "Run once with date range instead of scheduled mode")
+	)
+	flag.Parse()
+
 	// Load configuration
 	config, err := bootstrap.InitConfig()
 	if err != nil {
@@ -37,7 +47,41 @@ func main() {
 	// Initialize notification service
 	notificationService := bootstrap.InitNotificationService(config.Notification, appLogger)
 
-	// Initialize TED scraper
+	// Check if one-time date range scraping is requested
+	if *oneTime {
+		if *fromDate == "" || *toDate == "" {
+			appLogger.Error("Both -from and -to dates are required for one-time scraping", map[string]interface{}{})
+			fmt.Println("Usage: ./scraper -onetime -from 12/01/2025 -to 13/09/2025")
+			os.Exit(1)
+		}
+
+		// Parse dates
+		from, err := time.Parse("02/01/2006", *fromDate)
+		if err != nil {
+			appLogger.Error("Invalid from date format", map[string]interface{}{
+				"from_date": *fromDate,
+				"error":     err.Error(),
+			})
+			fmt.Println("Date format should be: DD/MM/YYYY (e.g., 12/01/2025)")
+			os.Exit(1)
+		}
+
+		to, err := time.Parse("02/01/2006", *toDate)
+		if err != nil {
+			appLogger.Error("Invalid to date format", map[string]interface{}{
+				"to_date": *toDate,
+				"error":   err.Error(),
+			})
+			fmt.Println("Date format should be: DD/MM/YYYY (e.g., 13/09/2025)")
+			os.Exit(1)
+		}
+
+		// Run one-time scraping
+		bootstrap.RunOneTimeScraping(*config, mongoManager, appLogger, notificationService, &from, &to)
+		return
+	}
+
+	// Initialize TED scraper for scheduled mode
 	bootstrap.InitTEDScraper(*config, mongoManager, appLogger, notificationService)
 
 	// Set up signal handling for graceful shutdown