diff --git a/contact-scrape.go b/contact-scrape.go deleted file mode 100644 index 57eaba7..0000000 --- a/contact-scrape.go +++ /dev/null @@ -1,422 +0,0 @@ -package main - -import ( - "crypto/md5" - "encoding/json" - "fmt" - "io" - "log" - "net/http" - "os" - "regexp" - "strings" - "time" - - "github.com/fsnotify/fsnotify" - "github.com/xuri/excelize/v2" -) - -type Contact struct { - Name string `json:"name"` - Position string `json:"position"` - Phone string `json:"phone,omitempty"` - ServicePhone string `json:"service_phone,omitempty"` - Table int `json:"table"` -} - -type ContactData struct { - Contacts []Contact `json:"contacts"` - LastUpdated time.Time `json:"last_updated"` - FileHash string `json:"file_hash"` -} - -var ( - currentData *ContactData - dataFile = "data/contacts.json" - xlsxFile = "TelefonniSeznamWeb.xlsx" -) - -func startAutoReload() { - // Create new watcher - watcher, err := fsnotify.NewWatcher() - if err != nil { - log.Printf("Error creating file watcher: %v", err) - return - } - defer watcher.Close() - - // Add the xlsx file to watcher - err = watcher.Add(xlsxFile) - if err != nil { - log.Printf("Error watching file: %v", err) - return - } - - // Start watching for changes - go func() { - for { - select { - case event, ok := <-watcher.Events: - if !ok { - return - } - if event.Has(fsnotify.Write) { - log.Println("Detected file change, reloading data...") - loadData() - } - case err, ok := <-watcher.Errors: - if !ok { - return - } - log.Printf("Watcher error: %v", err) - } - } - }() -} - -func main() { - // Create data directory if it doesn't exist - if err := os.MkdirAll("data", 0755); err != nil { - log.Printf("Warning: Could not create data directory: %v", err) - } - - // Start auto-reload scheduler - startAutoReload() - - // Load existing data or parse from Excel - loadData() - - // Set up HTTP handlers - http.HandleFunc("/", serveIndex) - http.HandleFunc("/contacts", serveContacts) - http.HandleFunc("/reload", reloadData) - - // Start server - port := os.Getenv("PORT") - if port == "" { - port = "80" - } - - log.Printf("Server starting on port %s", port) - log.Printf("Access the application at: http://localhost:%s", port) - log.Fatal(http.ListenAndServe(":"+port, nil)) -} - -func loadData() { - // Check if Excel file exists - if _, err := os.Stat(xlsxFile); os.IsNotExist(err) { - log.Printf("Excel file %s not found, using empty data", xlsxFile) - currentData = &ContactData{ - Contacts: []Contact{}, - LastUpdated: time.Now(), - FileHash: "", - } - return - } - - // Calculate current file hash - currentHash, err := calculateFileHash(xlsxFile) - if err != nil { - log.Printf("Error calculating file hash: %v", err) - return - } - - // Check if cached data exists and is up to date - if cachedData, err := loadCachedData(); err == nil { - if cachedData.FileHash == currentHash { - log.Println("Using cached data (file unchanged)") - currentData = cachedData - return - } - } - - // Parse Excel file - log.Println("Parsing Excel file...") - contacts, err := parseExcelFile(xlsxFile) - if err != nil { - log.Printf("Error parsing Excel file: %v", err) - // Use empty data if parsing fails - currentData = &ContactData{ - Contacts: []Contact{}, - LastUpdated: time.Now(), - FileHash: currentHash, - } - return - } - - currentData = &ContactData{ - Contacts: contacts, - LastUpdated: time.Now(), - FileHash: currentHash, - } - - // Save to cache - if err := saveCachedData(currentData); err != nil { - log.Printf("Warning: Could not save cached data: %v", err) - } - - log.Printf("Loaded %d contacts from Excel file", len(contacts)) -} - -func calculateFileHash(filename string) (string, error) { - file, err := os.Open(filename) - if err != nil { - return "", err - } - defer file.Close() - - hash := md5.New() - if _, err := io.Copy(hash, file); err != nil { - return "", err - } - - return fmt.Sprintf("%x", hash.Sum(nil)), nil -} - -func loadCachedData() (*ContactData, error) { - file, err := os.Open(dataFile) - if err != nil { - return nil, err - } - defer file.Close() - - var data ContactData - decoder := json.NewDecoder(file) - if err := decoder.Decode(&data); err != nil { - return nil, err - } - - return &data, nil -} - -func saveCachedData(data *ContactData) error { - file, err := os.Create(dataFile) - if err != nil { - return err - } - defer file.Close() - - encoder := json.NewEncoder(file) - encoder.SetIndent("", " ") - return encoder.Encode(data) -} - -func parseExcelFile(filename string) ([]Contact, error) { - f, err := excelize.OpenFile(filename) - if err != nil { - return nil, fmt.Errorf("failed to open Excel file: %v", err) - } - defer f.Close() - - // Get the first sheet name - sheets := f.GetSheetList() - if len(sheets) == 0 { - return nil, fmt.Errorf("no sheets found in Excel file") - } - - sheetName := sheets[0] - - // Parse single table (A-E columns) - contacts := parseTable(f, sheetName, "A", "E", 1) - - return contacts, nil -} - -func parseTable(f *excelize.File, sheetName, startCol, endCol string, tableNum int) []Contact { - var contacts []Contact - - // Get all rows in the sheet - rows, err := f.GetRows(sheetName) - if err != nil { - log.Printf("Error getting rows: %v", err) - return contacts - } - - // Skip header rows (first row is header) - startRow := 1 - if len(rows) <= startRow { - return contacts - } - - // Column indices (A-E: name, position, phone, service_phone, extension) - nameCol, positionCol, phoneCol, servicePhoneCol, extensionCol := 0, 1, 2, 3, 4 - - for i := startRow; i < len(rows); i++ { - row := rows[i] - - // Skip if row is too short - if len(row) <= nameCol { - continue - } - - name := strings.TrimSpace(row[nameCol]) - position := "" - phone := "" - servicePhone := "" - extension := "" - - if len(row) > positionCol { - position = strings.TrimSpace(row[positionCol]) - } - if len(row) > phoneCol { - phone = strings.TrimSpace(row[phoneCol]) - } - if len(row) > servicePhoneCol { - servicePhone = strings.TrimSpace(row[servicePhoneCol]) - } - if len(row) > extensionCol { - extension = strings.TrimSpace(row[extensionCol]) - } - - // Clean phone numbers - phone = cleanPhoneNumber(phone) - servicePhone = cleanPhoneNumber(servicePhone) - - // Combine extension with service phone if both exist - if servicePhone != "" && extension != "" { - servicePhone = fmt.Sprintf("%s (%s)", servicePhone, extension) - } else if extension != "" { - servicePhone = extension - } - - // If we have a name, create new contact - if name != "" { - contacts = append(contacts, Contact{ - Name: name, - Position: position, - Phone: phone, - ServicePhone: servicePhone, - Table: tableNum, - }) - } - } - - return contacts -} - -func cleanPhoneNumber(phone string) string { - if phone == "" { - return "" - } - - // Remove extra whitespace - phone = strings.TrimSpace(phone) - - // Remove common formatting characters - re := regexp.MustCompile(`[^\d+\-\s()]`) - phone = re.ReplaceAllString(phone, "") - - // If it's just a short number (internal extension), keep as is - if len(phone) <= 3 { - return phone - } - - // If it looks like a Czech number without country code, add it - if regexp.MustCompile(`^[67]\d{8}$`).MatchString(strings.ReplaceAll(phone, " ", "")) { - return "+420 " + phone - } - - return phone -} - -func serveIndex(w http.ResponseWriter, r *http.Request) { - if r.URL.Path != "/" { - http.NotFound(w, r) - return - } - - // Check if index.html exists - if _, err := os.Stat("index.html"); os.IsNotExist(err) { - // Serve embedded HTML if file doesn't exist - w.Header().Set("Content-Type", "text/html; charset=utf-8") - fmt.Fprint(w, getEmbeddedHTML()) - return - } - - http.ServeFile(w, r, "index.html") -} - -func serveContacts(w http.ResponseWriter, r *http.Request) { - w.Header().Set("Content-Type", "application/json") - w.Header().Set("Access-Control-Allow-Origin", "*") - - if currentData == nil { - http.Error(w, `{"error": "No data available"}`, http.StatusInternalServerError) - return - } - - encoder := json.NewEncoder(w) - encoder.SetIndent("", " ") - encoder.Encode(currentData) -} - -func reloadData(w http.ResponseWriter, r *http.Request) { - if r.Method != "POST" { - http.Error(w, "Method not allowed", http.StatusMethodNotAllowed) - return - } - - log.Println("Manual reload requested") - loadData() - - w.Header().Set("Content-Type", "application/json") - fmt.Fprintf(w, `{"status": "reloaded", "contacts_count": %d}`, len(currentData.Contacts)) -} - -func getEmbeddedHTML() string { - return ` - - - - - Kontakty - - - - -
-
-

📞 Firemní telefonní seznam

-

Poppe + Potthoff kontakty

-
-
- -
-
-
- -
- -
-
- - -
-
- -
-
-

Načítání kontaktů...

-
- - -
-
- - - -` -}