New admin triggers for db maintenance, updating display of prize results and logic fix

services/tickets/ticketmatching.go

@@ -2,6 +2,7 @@ package services
 
 import (
 	"database/sql"
+	"fmt"
 	"log"
 	"synlotto-website/handlers"
 	"synlotto-website/helpers"
@@ -91,3 +92,74 @@ func RunTicketMatching(db *sql.DB, triggeredBy string) (models.MatchRunStats, er
 
 	return stats, nil
 }
+
+func UpdateMissingPrizes(db *sql.DB) error {
+	type TicketInfo struct {
+		ID       int
+		GameType string
+		DrawDate string
+		Main     int
+		Bonus    int
+	}
+
+	var tickets []TicketInfo
+
+	// Step 1: Load all relevant tickets
+	rows, err := db.Query(`
+		SELECT id, game_type, draw_date, matched_main, matched_bonus
+		FROM my_tickets
+		WHERE is_winner = 1 AND (prize_label IS NULL OR prize_label = '')
+	`)
+	if err != nil {
+		return err
+	}
+	defer rows.Close()
+
+	for rows.Next() {
+		var t TicketInfo
+		if err := rows.Scan(&t.ID, &t.GameType, &t.DrawDate, &t.Main, &t.Bonus); err != nil {
+			log.Println("⚠️ Failed to scan row:", err)
+			continue
+		}
+		tickets = append(tickets, t)
+	}
+
+	// Step 2: Now that the reader is closed, perform updates
+	for _, t := range tickets {
+		if t.GameType != "Thunderball" {
+			continue
+		}
+
+		idx, ok := rules.GetThunderballPrizeIndex(t.Main, t.Bonus)
+		if !ok {
+			log.Printf("❌ No index for %d main, %d bonus", t.Main, t.Bonus)
+			continue
+		}
+
+		query := fmt.Sprintf(`SELECT prize%d_per_winner FROM prizes_thunderball WHERE draw_date = ?`, idx)
+
+		var amount int
+		err := db.QueryRow(query, t.DrawDate).Scan(&amount)
+		if err != nil {
+			log.Printf("❌ Prize lookup failed for ticket %d: %v", t.ID, err)
+			continue
+		}
+
+		label := "Free Ticket"
+		if amount > 0 {
+			label = fmt.Sprintf("£%.2f", float64(amount))
+		}
+
+		_, err = db.Exec(`
+			UPDATE my_tickets SET prize_amount = ?, prize_label = ? WHERE id = ?
+		`, float64(amount), label, t.ID)
+
+		if err != nil {
+			log.Printf("❌ Failed to update ticket %d: %v", t.ID, err)
+		} else {
+			log.Printf("✅ Updated ticket %d → %s", t.ID, label)
+		}
+	}
+
+	return nil
+}