mirror of
https://github.com/Dvorinka/PPve.git
synced 2026-06-04 04:22:58 +00:00
Tomáš Dvořák
419 lines
11 KiB
Go
419 lines
11 KiB
Go
package main
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import (
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"crypto/md5"
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"encoding/json"
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"fmt"
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"io"
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"log"
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"net/http"
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"os"
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"regexp"
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"strings"
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"time"
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"github.com/xuri/excelize/v2"
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)
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type Contact struct {
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Name string `json:"name"`
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Position string `json:"position"`
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Phone string `json:"phone,omitempty"`
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ServicePhone string `json:"service_phone,omitempty"`
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Internal bool `json:"internal"`
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PhoneFlap string `json:"phone_flap,omitempty"`
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}
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type ContactData struct {
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Contacts []Contact `json:"contacts"`
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InternalContacts []Contact `json:"internal_contacts"`
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LastUpdated time.Time `json:"last_updated"`
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FileHash string `json:"file_hash"`
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}
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var (
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currentData *ContactData
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dataFile = "data/contacts.json"
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xlsxFile = "TelefonniSeznamWeb.xlsx"
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)
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func startAutoReload() {
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ticker := time.NewTicker(3 * 24 * time.Hour)
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quit := make(chan struct{})
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go func() {
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for {
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select {
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case <-ticker.C:
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log.Println("Auto-reloading contact data...")
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loadData()
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case <-quit:
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ticker.Stop()
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return
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}
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}
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}()
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}
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func main() {
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// Create data directory if it doesn't exist
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if err := os.MkdirAll("data", 0755); err != nil {
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log.Printf("Warning: Could not create data directory: %v", err)
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}
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// Start auto-reload scheduler
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startAutoReload()
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// Load existing data or parse from Excel
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loadData()
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// Set up HTTP handlers
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http.HandleFunc("/", serveIndex)
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http.HandleFunc("/contacts", serveContacts)
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http.HandleFunc("/reload", reloadData)
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// Start server
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port := os.Getenv("PORT")
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if port == "" {
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port = "80"
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}
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log.Printf("Server starting on port %s", port)
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log.Printf("Access the application at: http://localhost:%s", port)
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log.Fatal(http.ListenAndServe(":"+port, nil))
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}
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func loadData() {
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// Check if Excel file exists
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if _, err := os.Stat(xlsxFile); os.IsNotExist(err) {
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log.Printf("Excel file %s not found, using empty data", xlsxFile)
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currentData = &ContactData{
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Contacts: []Contact{},
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InternalContacts: []Contact{},
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LastUpdated: time.Now(),
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FileHash: "",
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}
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return
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}
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// Calculate current file hash
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currentHash, err := calculateFileHash(xlsxFile)
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if err != nil {
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log.Printf("Error calculating file hash: %v", err)
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return
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}
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// Check if cached data exists and is up to date
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if cachedData, err := loadCachedData(); err == nil {
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if cachedData.FileHash == currentHash {
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log.Println("Using cached data (file unchanged)")
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currentData = cachedData
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return
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}
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}
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// Parse Excel file
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log.Println("Parsing Excel file...")
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contacts, err := parseExcelFile(xlsxFile)
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if err != nil {
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log.Printf("Error parsing Excel file: %v", err)
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// Use empty data if parsing fails
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currentData = &ContactData{
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Contacts: []Contact{},
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InternalContacts: []Contact{},
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LastUpdated: time.Now(),
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FileHash: currentHash,
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}
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return
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}
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currentData = processContacts(contacts)
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currentData.FileHash = currentHash
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// Save to cache
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if err := saveCachedData(currentData); err != nil {
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log.Printf("Warning: Could not save cached data: %v", err)
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}
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log.Printf("Loaded %d contacts from Excel file", len(currentData.Contacts)+len(currentData.InternalContacts))
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}
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func calculateFileHash(filename string) (string, error) {
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file, err := os.Open(filename)
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if err != nil {
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return "", err
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}
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defer file.Close()
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hash := md5.New()
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if _, err := io.Copy(hash, file); err != nil {
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return "", err
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}
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return fmt.Sprintf("%x", hash.Sum(nil)), nil
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}
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func loadCachedData() (*ContactData, error) {
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file, err := os.Open(dataFile)
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if err != nil {
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return nil, err
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}
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defer file.Close()
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var data ContactData
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decoder := json.NewDecoder(file)
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if err := decoder.Decode(&data); err != nil {
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return nil, err
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}
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return &data, nil
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}
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func saveCachedData(data *ContactData) error {
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file, err := os.Create(dataFile)
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if err != nil {
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return err
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}
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defer file.Close()
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encoder := json.NewEncoder(file)
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encoder.SetIndent("", " ")
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return encoder.Encode(data)
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}
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func parseExcelFile(filename string) ([]Contact, error) {
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f, err := excelize.OpenFile(filename)
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if err != nil {
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return nil, fmt.Errorf("failed to open Excel file: %v", err)
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}
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defer f.Close()
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// Get the first sheet name
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sheets := f.GetSheetList()
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if len(sheets) == 0 {
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return nil, fmt.Errorf("no sheets found in Excel file")
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}
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sheetName := sheets[0]
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// Parse the single table (columns A-E)
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contacts := parseTable(f, sheetName, "A", "E")
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return contacts, nil
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}
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func parseTable(f *excelize.File, sheetName, startCol, endCol string) []Contact {
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var contacts []Contact
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// Get all rows in the sheet
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rows, err := f.GetRows(sheetName)
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if err != nil {
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log.Printf("Error getting rows: %v", err)
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return contacts
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}
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// Skip first 3 and last 3 lines
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startRow := 3
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endRow := len(rows) - 3
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if endRow <= startRow {
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return nil
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}
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// Column indices
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const (
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nameCol = 0
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positionCol = 1
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phoneCol = 2
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servicePhoneCol = 3
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flapCol = 4
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)
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for i := startRow; i < endRow; i++ {
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row := rows[i]
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// Skip if row is too short
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if len(row) <= nameCol {
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continue
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}
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// Check for "Aktualizace" - end of data
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if len(row) > nameCol && strings.Contains(strings.ToLower(row[nameCol]), "aktualizace") {
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break
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}
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contact := Contact{
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Name: strings.TrimSpace(row[nameCol]),
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Position: safeGet(row, positionCol, ""),
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Phone: formatPhoneNumber(safeGet(row, phoneCol, "")),
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ServicePhone: formatPhoneNumber(safeGet(row, servicePhoneCol, "")), // Full mobile number
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PhoneFlap: formatPhoneFlap(safeGet(row, flapCol, "")), // Internal extension with *
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}
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contacts = append(contacts, contact)
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}
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return contacts
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}
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func safeGet(row []string, index int, defaultValue string) string {
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if index < len(row) {
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return row[index]
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}
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return defaultValue
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}
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func formatPhoneNumber(phone string) string {
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if phone == "" {
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return ""
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}
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// Remove extra whitespace
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phone = strings.TrimSpace(phone)
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// Remove common formatting characters
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re := regexp.MustCompile(`[^\d+\-\s()]`)
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phone = re.ReplaceAllString(phone, "")
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// If it's just a short number (internal extension), keep as is
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if len(phone) <= 3 {
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return phone
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}
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// If it looks like a Czech number without country code, add it
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if regexp.MustCompile(`^[67]\d{8}$`).MatchString(strings.ReplaceAll(phone, " ", "")) {
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return "+420 " + phone
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}
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return phone
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}
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func formatPhoneFlap(flap string) string {
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flap = strings.TrimSpace(flap)
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if flap == "" {
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return ""
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}
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if !strings.HasPrefix(flap, "*") {
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return "*" + flap
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}
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return flap
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}
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func processContacts(contacts []Contact) *ContactData {
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var data ContactData
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data.Contacts = []Contact{}
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data.InternalContacts = []Contact{}
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for _, contact := range contacts {
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// Trim whitespace and check for "Interní"
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if strings.TrimSpace(contact.Name) == "Interní" {
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contact.Internal = true
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data.InternalContacts = append(data.InternalContacts, contact)
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} else {
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contact.Internal = false
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data.Contacts = append(data.Contacts, contact)
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}
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}
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data.LastUpdated = time.Now()
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return &data
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}
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func serveIndex(w http.ResponseWriter, r *http.Request) {
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if r.URL.Path != "/" {
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http.NotFound(w, r)
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return
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}
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// Check if index.html exists
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if _, err := os.Stat("index.html"); os.IsNotExist(err) {
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// Serve embedded HTML if file doesn't exist
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w.Header().Set("Content-Type", "text/html; charset=utf-8")
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fmt.Fprint(w, getEmbeddedHTML())
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return
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}
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http.ServeFile(w, r, "index.html")
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}
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func serveContacts(w http.ResponseWriter, r *http.Request) {
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w.Header().Set("Content-Type", "application/json")
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w.Header().Set("Access-Control-Allow-Origin", "*")
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if currentData == nil {
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http.Error(w, `{"error": "No data available"}`, http.StatusInternalServerError)
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return
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}
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encoder := json.NewEncoder(w)
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encoder.SetIndent("", " ")
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encoder.Encode(currentData)
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}
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func reloadData(w http.ResponseWriter, r *http.Request) {
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if r.Method != "POST" {
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http.Error(w, "Method not allowed", http.StatusMethodNotAllowed)
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return
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}
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log.Println("Manual reload requested")
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loadData()
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w.Header().Set("Content-Type", "application/json")
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fmt.Fprintf(w, `{"status": "reloaded", "contacts_count": %d}`, len(currentData.Contacts)+len(currentData.InternalContacts))
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}
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func getEmbeddedHTML() string {
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return `<!DOCTYPE html>
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<html lang="cs">
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<head>
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<meta charset="UTF-8">
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<meta name="viewport" content="width=device-width, initial-scale=1.0">
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<title>Kontakty</title>
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<script src="https://cdn.tailwindcss.com"></script>
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<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.4.2/css/all.min.css">
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</head>
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<body class="bg-gray-100 min-h-screen">
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<header class="bg-gradient-to-r from-blue-600 to-indigo-700 text-white shadow-lg">
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<div class="container mx-auto px-4 py-6">
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<h1 class="text-3xl font-bold">📞 Firemní telefonní seznam</h1>
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<p class="mt-2 text-blue-100">Poppe + Potthoff kontakty</p>
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</div>
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</header>
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<div class="container mx-auto px-4 py-8 max-w-7xl">
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<div class="bg-white rounded-xl shadow p-6 md:p-8">
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<div class="flex justify-between items-center mb-6">
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<button onclick="reloadContacts()" id="reloadBtn"
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class="bg-blue-600 hover:bg-blue-700 text-white px-6 py-3 rounded-lg transition-all duration-200 shadow-md hover:shadow-lg flex items-center gap-2">
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<i class="fas fa-sync-alt"></i>
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Obnovit
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</button>
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</div>
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<div class="mb-6">
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<div class="relative">
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<input type="text" id="searchInput" placeholder="Hledat podle jména, pozice nebo telefonu..."
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class="w-full px-4 py-3 pl-12 rounded-lg shadow-sm border-gray-200 focus:border-blue-500 focus:ring-2 focus:ring-blue-500 focus:outline-none text-lg"
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onkeyup="filterContacts()">
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<i class="fas fa-search absolute left-4 top-1/2 transform -translate-y-1/2 text-gray-400"></i>
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</div>
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</div>
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<div id="loading" class="text-center py-16">
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<div class="inline-block animate-spin rounded-full h-12 w-12 border-b-2 border-blue-500 mb-4"></div>
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<p class="text-gray-600 text-lg">Načítání kontaktů...</p>
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</div>
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<div id="contactsList" class="hidden">
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<div id="stats" class="mb-6 p-4 bg-gray-50 rounded-lg border text-sm text-gray-700"></div>
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<div id="contacts" class="grid gap-6 md:grid-cols-2 lg:grid-cols-3 xl:grid-cols-4"></div>
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</div>
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</div>
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</div>
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<footer class="bg-gray-800 text-gray-400 py-6 mt-12">
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<div class="container mx-auto px-4 text-center">
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<p> 2025 Poppe + Potthoff</p>
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</div>
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</footer>
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</body>
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</html>`
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}
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