first commit

watchlist.go

@@ -0,0 +1,112 @@
+package main
+
+import (
+	"encoding/json"
+	"os"
+	"strings"
+	"sync"
+)
+
+type Watchlist struct {
+	Callsigns []string `json:"callsigns"`
+	mu        sync.RWMutex
+	filename  string
+}
+
+func NewWatchlist(filename string) *Watchlist {
+	wl := &Watchlist{
+		Callsigns: []string{},
+		filename:  filename,
+	}
+	wl.Load()
+	return wl
+}
+
+func (wl *Watchlist) Load() error {
+	wl.mu.Lock()
+	defer wl.mu.Unlock()
+
+	data, err := os.ReadFile(wl.filename)
+	if err != nil {
+		if os.IsNotExist(err) {
+			// File doesn't exist, start with empty watchlist
+			return nil
+		}
+		return err
+	}
+
+	return json.Unmarshal(data, &wl.Callsigns)
+}
+
+// save est une méthode privée sans lock (appelée par Add/Remove qui ont déjà le lock)
+func (wl *Watchlist) save() error {
+	data, err := json.Marshal(wl.Callsigns)
+	if err != nil {
+		return err
+	}
+
+	return os.WriteFile(wl.filename, data, 0644)
+}
+
+func (wl *Watchlist) Add(callsign string) error {
+	wl.mu.Lock()
+	defer wl.mu.Unlock()
+
+	callsign = strings.ToUpper(strings.TrimSpace(callsign))
+
+	// Check if already exists
+	for _, c := range wl.Callsigns {
+		if c == callsign {
+			return nil // Already in watchlist
+		}
+	}
+
+	wl.Callsigns = append(wl.Callsigns, callsign)
+	return wl.save() // ← Appel de save() minuscule (sans lock)
+}
+
+func (wl *Watchlist) Remove(callsign string) error {
+	wl.mu.Lock()
+	defer wl.mu.Unlock()
+
+	callsign = strings.ToUpper(strings.TrimSpace(callsign))
+
+	for i, c := range wl.Callsigns {
+		if c == callsign {
+			wl.Callsigns = append(wl.Callsigns[:i], wl.Callsigns[i+1:]...)
+			return wl.save() // ← Appel de save() minuscule (sans lock)
+		}
+	}
+
+	return nil
+}
+
+func (wl *Watchlist) GetAll() []string {
+	wl.mu.RLock()
+	defer wl.mu.RUnlock()
+
+	result := make([]string, len(wl.Callsigns))
+	copy(result, wl.Callsigns)
+	return result
+}
+
+func (wl *Watchlist) Matches(callsign string) bool {
+	wl.mu.RLock()
+	defer wl.mu.RUnlock()
+
+	callsign = strings.ToUpper(callsign)
+
+	for _, pattern := range wl.Callsigns {
+		// Exact match
+		if callsign == pattern {
+			return true
+		}
+
+		// Prefix match (e.g., VK9 matches VK9XX)
+		if strings.HasPrefix(callsign, pattern) {
+			return true
+		}
+	}
+
+	return false
+}