func (b *Bill) exportAction(c *cli.Context) {
var tplTxt string
invNos := c.IntSlice("invoices")
// TODO: override from command line
invYear := strconv.Itoa(time.Now().Year())
invDir := filepath.Join(b.BillPath, InvDir, invYear)
if len(invNos) == 0 {
invNos = append(invNos, findLatestInvoice(invDir))
}
funcMap := template.FuncMap{
"rowsum": func(unitprice float64, qty int) float64 {
return unitprice * float64(qty)
},
"add": func(a float64, b float64) float64 {
return a + b
},
"vat": func(price float64, vatrate float64) float64 {
return price * vatrate / 100
},
}
for _, i := range invNos {
inv, invName := LoadInvoice(invDir, i)
cust := loadCustomer(b.BillPath, inv.Customer)
exp := Export{
&inv,
&cust,
}
if len(cust.Template) > 0 {
custTplPath := filepath.Join(b.BillPath, TplDir, cust.Template) + ".html"
tplByte, err := ioutil.ReadFile(custTplPath)
if err != nil {
log.Fatalln(err)
}
tplTxt = string(tplByte)
} else {
tplTxt = defaultTemplate
}
tpl, err := template.New("invoice").Funcs(funcMap).Parse(tplTxt)
if err != nil {
log.Fatalln(err)
}
outPath := filepath.Join(b.BillPath, ExpDir, invName) + ".html"
f, err := os.Create(outPath)
if err != nil {
log.Fatalln(err)
}
defer f.Close()
err = tpl.Execute(f, &exp)
if err != nil {
log.Fatalln(err)
}
}
}