First alpha version

Signed-off-by: Ettore Dreucci <ettore.dreucci@gmail.com>

.gitignore

@@ -0,0 +1,27 @@
+# ---> Go
+# Compiled Object files, Static and Dynamic libs (Shared Objects)
+*.o
+*.a
+*.so
+
+
+# Architecture specific extensions/prefixes
+*.[568vq]
+[568vq].out
+
+*.cgo1.go
+*.cgo2.c
+_cgo_defun.c
+_cgo_gotypes.go
+_cgo_export.*
+
+_testmain.go
+
+*.exe
+*.test
+*.prof
+
+# ---> VisualStudioCode
+.settings
+*.code-workspace
+.vscode

fattureSanRossore.go

@@ -0,0 +1,208 @@
+package main
+
+import (
+	"bufio"
+	"fmt"
+	"io"
+	"log"
+	"net/http"
+	"os"
+	"os/exec"
+	"path/filepath"
+	"runtime"
+	"strings"
+	"time"
+
+	"github.com/extrame/xls"
+	"github.com/pdfcpu/pdfcpu/pkg/api"
+	"github.com/sqweek/dialog"
+	"mvdan.cc/xurls/v2"
+)
+
+var tmp string = os.TempDir()
+
+func getInvoiceIDs(fileName string) []string {
+	xlFile, err := xls.Open(fileName, "utf-8")
+	if err != nil {
+		log.Fatalf("Impossibile aprire il file xls: %v\n", err)
+	}
+
+	sheet := xlFile.GetSheet(0)
+	if sheet == nil {
+		log.Fatalf("Impossibile aprire il foglio nell'xls: %v\n", err)
+	}
+
+	var invoiceIDs []string
+
+	for i := 4; i <= int(sheet.MaxRow); i++ {
+		row := sheet.Row(i)
+		if row.Col(8) != "" {
+			id := strings.ReplaceAll(row.Col(8), "/", "-")
+			invoiceIDs = append(invoiceIDs, id)
+		}
+	}
+	return invoiceIDs
+}
+
+func convertXLStoFODS(fileName string) string {
+	var sofficePath string = "libreoffice"
+	if runtime.GOOS == "windows" {
+		sofficePath = filepath.FromSlash("C:/Program Files/LibreOffice/program/soffice.exe")
+	}
+	cmd := exec.Command(sofficePath, "--convert-to", "fods", "--outdir", tmp, fileName)
+	err := cmd.Run()
+	if err != nil {
+		log.Fatalf("Impossibile convertire l'XLS in FODS: %v\n", err)
+	}
+	return (tmp + "/" + strings.TrimSuffix(filepath.Base(fileName), filepath.Ext(fileName)) + ".fods")
+}
+
+func getInvoiceURLs(fileName string) []string {
+	fods := convertXLStoFODS(fileName)
+	f, err := os.Open(fods)
+	if err != nil {
+		log.Fatalf("Impossibile aprire il FODS convertito: %v\n", err)
+	}
+	defer func() {
+		err = f.Close()
+		if err != nil {
+			log.Printf("Impossibile chiudere il file %v: %v\n", fods, err)
+		}
+		err = os.Remove(fods)
+		if err != nil {
+			log.Printf("Impossibile eliminare il file temporaneo %v: %v\n", fods, err)
+		}
+	}()
+	var invoiceURLs []string
+	s := bufio.NewScanner(f)
+	for s.Scan() {
+		line := s.Text()
+		if strings.Contains(line, "http://report.casadicurasanrossore.it:9146/files/get?type=invoice&amp;id=") {
+			url := xurls.Strict().FindString(line)
+			url = strings.ReplaceAll(url, "&amp;", "&")
+			invoiceURLs = append(invoiceURLs, url)
+		}
+	}
+	if err := s.Err(); err != nil {
+		log.Fatalf("Impossibile leggere dal file %v: %v\n", fods, err)
+	}
+	return invoiceURLs
+}
+
+func checkFile(fileName string) string {
+	_, err := os.Stat(fileName)
+	if err != nil {
+		log.Fatalf("Errore nell'apertura del file %v: %v\n", fileName, err)
+	}
+	absPath, err := filepath.Abs(fileName)
+	if err != nil {
+		log.Fatalf("Impossibile recuperare il percorso assoluto del file %v: %v\n", fileName, err)
+	}
+	return absPath
+}
+
+func downloadFile(fileName string, url string) error {
+	resp, err := http.Get(url)
+	if err != nil {
+		return err
+	}
+	defer resp.Body.Close()
+
+	out, err := os.Create(fileName)
+	if err != nil {
+		return err
+	}
+	defer out.Close()
+
+	_, err = io.Copy(out, resp.Body)
+	return err
+}
+
+func downloadInvoices(ids []string, urls []string) []string {
+	if len(ids) != len(urls) {
+		log.Fatalf("Il numero di fatture da scaricare non corrisponde al numero di URL individuati nel file")
+	}
+
+	dir := filepath.FromSlash(tmp + "/pdfInvoices" + "_" + time.Now().Format("20060102"))
+	err := os.Mkdir(dir, os.ModePerm)
+	if err != nil {
+		log.Fatalf("Impossibile creare la directory temporanea di salvataggio %v: %v\n", dir, err)
+	}
+
+	downloadCount := 0
+	var downloadedFiles []string
+	for i := 0; i < len(ids); i++ {
+		out := filepath.FromSlash(dir + "/" + ids[i] + ".pdf")
+
+		fmt.Printf("Scaricamento di %v\n", ids[i])
+		err = downloadFile(out, urls[i])
+		if err != nil {
+			log.Printf("Impossibile scaricare il file %v: %v\n", urls[i], err)
+		} else {
+			downloadCount++
+			downloadedFiles = append(downloadedFiles, out)
+		}
+	}
+	fmt.Printf("Scaricate %d/%d fatture\n", downloadCount, len(ids))
+	return downloadedFiles
+}
+
+func mergeInvoices(files []string) string {
+	out, err := dialog.File().Filter("PDF files", "pdf").Title("Scegli dove salvare le fatture unite").Save()
+	if err != nil {
+		log.Fatalf("Impossibile recuperare il file selezionato: %v\n", err)
+	}
+	if filepath.Ext(out) == "" {
+		out += ".pdf"
+	}
+	err = api.MergeFile(files, out, nil)
+	if err != nil {
+		log.Fatalf("Impossibile unire i pdf: %v\nFatture singole non rimosse\n", err)
+	}
+	dir := filepath.Dir(files[0])
+	for _, file := range files {
+		err = os.Remove(file)
+		if err != nil {
+			log.Printf("Impossibile eliminare la fattura singola %v: %v\n", file, err)
+		}
+	}
+	err = os.Remove(dir)
+	if err != nil {
+		log.Printf("Impossibile eliminare la directory temporanea %v: %v\n", dir, err)
+	}
+	return out
+}
+
+func openPDF(fileName string) {
+	if runtime.GOOS == "windows" {
+		cmd := exec.Command("cmd", "/C start "+fileName)
+		err := cmd.Run()
+		if err != nil {
+			log.Fatalf("Impossibile aprire il pdf con le fatture unite: %v\n", err)
+		}
+	}
+	//TODO for Linux
+}
+
+func main() {
+	var fileName string
+
+	args := os.Args
+	if len(args) < 2 {
+		var err error
+		fileName, err = dialog.File().Filter("XLS files", "xls").Load()
+		if err != nil {
+			log.Fatalf("Impossibile recuperare il file selezionato: %v\n", err)
+		}
+	} else {
+		fileName = args[1]
+	}
+
+	filePath := checkFile(fileName)
+	IDs := getInvoiceIDs(filePath)
+	URLs := getInvoiceURLs(filePath)
+	dlFiles := downloadInvoices(IDs, URLs)
+	pdf := mergeInvoices(dlFiles)
+	openPDF(pdf)
+
+}

go.mod

@@ -0,0 +1,12 @@
+module github.com/Noettore/ccsrReportDownloader
+
+go 1.14
+
+require (
+	github.com/extrame/ole2 v0.0.0-20160812065207-d69429661ad7 // indirect
+	github.com/extrame/xls v0.0.1
+	github.com/gotk3/gotk3 v0.4.0 // indirect
+	github.com/pdfcpu/pdfcpu v0.3.2
+	github.com/sqweek/dialog v0.0.0-20200304031853-0dcd55bfe06a
+	mvdan.cc/xurls/v2 v2.2.0
+)

go.sum

@@ -0,0 +1,45 @@
+github.com/BurntSushi/freetype-go v0.0.0-20160129220410-b763ddbfe298/go.mod h1:D+QujdIlUNfa0igpNMk6UIvlb6C252URs4yupRUV4lQ=
+github.com/BurntSushi/graphics-go v0.0.0-20160129215708-b43f31a4a966/go.mod h1:Mid70uvE93zn9wgF92A/r5ixgnvX8Lh68fxp9KQBaI0=
+github.com/BurntSushi/xgb v0.0.0-20160522181843-27f122750802/go.mod h1:IVnqGOEym/WlBOVXweHU+Q+/VP0lqqI8lqeDx9IjBqo=
+github.com/BurntSushi/xgbutil v0.0.0-20160919175755-f7c97cef3b4e/go.mod h1:uw9h2sd4WWHOPdJ13MQpwK5qYWKYDumDqxWWIknEQ+k=
+github.com/TheTitanrain/w32 v0.0.0-20180517000239-4f5cfb03fabf h1:FPsprx82rdrX2jiKyS17BH6IrTmUBYqZa/CXT4uvb+I=
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+github.com/extrame/ole2 v0.0.0-20160812065207-d69429661ad7 h1:n+nk0bNe2+gVbRI8WRbLFVwwcBQ0rr5p+gzkKb6ol8c=
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