first commit
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commit
b3464278ac
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package paxan
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import (
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"io"
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"log"
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"net/http"
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"net/http/cookiejar"
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"net/url"
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"os"
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"strconv"
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"strings"
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"time"
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"github.com/PuerkitoBio/goquery"
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)
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type paxanWebOrder struct {
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InvoiceNumber int
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Type string
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Date string
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}
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type paxanWebOrderEntry struct {
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Position string
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ArticleNumber int
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Description string
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Amount string
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Price string
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Total string
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Amount2 string
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Price2 string
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Total2 string
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}
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func downloadFile(filepath string, resp *http.Response) error {
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// Create the file
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file, err := os.Create(filepath)
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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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// Write the body to file
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_, err = io.Copy(file, resp.Body)
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if err != nil {
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return err
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}
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return nil
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}
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// NewClient - Login
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func NewClient(user string, password string) (*http.Client, error) {
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// New http client with cookie
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cookieJar, _ := cookiejar.New(nil)
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client := &http.Client{
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Jar: cookieJar,
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}
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loginvalues := make(url.Values)
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loginvalues.Set("performAction", "processLogin")
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loginvalues.Set("personlogin", user)
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loginvalues.Set("personpwd", password)
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loginvalues.Set("firma", "paxan")
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_, err := client.PostForm("https://www.hakopaxan-shop.de/html/login.html", loginvalues)
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if err != nil {
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return nil, err
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}
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return client, nil
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}
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// CloseClient - Logout
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func CloseClient(client *http.Client) error {
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// Logout
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_, err := client.Get("https://www.hakopaxan-shop.de/html/logout-performAction-processLogout.html")
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if err != nil {
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return err
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}
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return nil
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}
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// DownloadPricelists - Download both price lists
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func DownloadPricelists(client *http.Client) error {
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// Download preisliste
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r, err := client.Get("https://www.hakopaxan-shop.de/csv/preisliste.csv")
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if err != nil {
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return err
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}
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downloadFile(("preisliste-" + time.Now().Format("20060102150405") + ".csv"), r)
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// Download spreisliste
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r, err = client.Get("https://www.hakopaxan-shop.de/csv/spreisliste.csv")
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if err != nil {
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return err
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}
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downloadFile(("spreisliste-" + time.Now().Format("20060102150405") + ".csv"), r)
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return nil
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}
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func paxanGetOrders(client *http.Client) ([]paxanWebOrder, error) {
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var list []paxanWebOrder
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kvs := make(map[string]string)
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r, err := client.Get("https://www.hakopaxan-shop.de/html/customerDocumentList.html?customerDocumentListId=invoice&requestedPeriod=365")
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if err != nil {
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return nil, err
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}
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doc, err := goquery.NewDocumentFromReader(io.Reader(r.Body))
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if err != nil {
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return nil, err
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}
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var headline []string
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// Find the table header
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doc.Find(".tableHeader").Each(func(i int, s *goquery.Selection) {
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s.Find(".tableCell").Each(func(i int, s *goquery.Selection) {
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title := s.Contents().Text()
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title = strings.Replace(title, "\n", "", -1)
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title = strings.TrimSpace(title)
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headline = append(headline, title)
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})
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})
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// Find the table items
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doc.Find(".tableRowGroup").Each(func(i int, s *goquery.Selection) {
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s.Find(".tableCell").Each(func(j int, s *goquery.Selection) {
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title := "undefined"
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if j < len(headline) {
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title = headline[j]
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}
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text := s.Contents().Text()
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text = strings.Replace(text, "\n", "", -1)
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text = strings.Split(text, ":")[1]
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text = strings.TrimSpace(text)
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kvs[title] = text
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//fmt.Printf("%s - %s\n", title, text)
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})
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//fmt.Println(kvs)
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num, _ := strconv.Atoi(kvs["Beleg-Nr."])
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n := paxanWebOrder{InvoiceNumber: num, Type: kvs["Belegart"], Date: kvs["Datum"]}
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list = append(list, n)
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})
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return list, nil
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}
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func paxanGetOrderDetails(client *http.Client, orderNumber int) ([]paxanWebOrderEntry, error) {
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var list []paxanWebOrderEntry
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url := "https://www.hakopaxan-shop.de/html/customerDocument-customerDocumentId-" + strconv.Itoa(orderNumber) + "-customerDocumentListId-invoice-requestedPeriod-365.html"
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r, err := client.Get(url)
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if err != nil {
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return nil, err
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}
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doc, err := goquery.NewDocumentFromReader(io.Reader(r.Body))
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if err != nil {
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return nil, err
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}
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// Go through table row by row
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doc.Find(".tableRowGroup").Each(func(i int, s *goquery.Selection) {
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var row []string
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s.Find(".tableCell").Each(func(j int, s *goquery.Selection) {
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text := s.Contents().Text()
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if j == 2 {
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text = s.Find(".lineItemName").Text()
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}
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text = strings.Replace(text, "\n", "", -1)
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text = strings.TrimSpace(text)
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row = append(row, text)
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})
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num, _ := strconv.Atoi(row[1])
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n := paxanWebOrderEntry{Position: row[0],
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ArticleNumber: num,
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Description: row[2],
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Amount: row[3],
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Price: row[4],
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Total: row[5],
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Amount2: row[6],
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Price2: row[7],
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Total2: row[8]}
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list = append(list, n)
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})
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return list, nil
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}
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// ExportNewOrders - Export new orders into orders.csv
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func ExportNewOrders(client *http.Client, lastOrder int) error {
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f, err := os.OpenFile("orders.csv", os.O_CREATE|os.O_APPEND|os.O_WRONLY, 0600)
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if err != nil {
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return err
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}
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defer f.Close()
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orders, err := paxanGetOrders(client)
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if err != nil {
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return err
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}
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i, j := 0, 0
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for _, order := range orders {
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if order.InvoiceNumber <= lastOrder {
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continue
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}
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orderDetails, err := paxanGetOrderDetails(client, order.InvoiceNumber)
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if err != nil {
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return err
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}
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for _, orderDetail := range orderDetails {
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text := strconv.Itoa(order.InvoiceNumber) + ";" +
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order.Type + ";" +
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order.Date + ";" +
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orderDetail.Position + ";" +
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strconv.Itoa(orderDetail.ArticleNumber) + ";" +
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orderDetail.Description + ";" +
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orderDetail.Amount + ";" +
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orderDetail.Price + ";" +
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orderDetail.Total + ";" +
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orderDetail.Amount2 + ";" +
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orderDetail.Price2 + ";" +
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orderDetail.Total2 + "\n"
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_, err = f.WriteString(text)
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if err != nil {
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return err
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}
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j++
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}
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i++
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}
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log.Printf("Added %d order(s) with %d article(s)", i, j)
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return nil
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}
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