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main.go
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main.go
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package main
import (
"fmt"
"os"
"strings"
"github.com/jessevdk/go-flags"
)
type Options struct {
DbPath string `long:"db-path" description:"Database path" default:".db.tt"`
New struct{} `command:"new" alias:"todo" alias:"n" alias:"make" description:"Add new task" required:"false"`
List struct{} `command:"list" alias:"l" alias:"ls" description:"List tasks" required:"false"`
Done struct{} `command:"done" alias:"d" description:"Check task as done" required:"false"`
}
var options Options
var parser = flags.NewParser(&options, flags.Default)
func main() {
parser.Command.SubcommandsOptional = true
args, err := parser.Parse()
if err != nil {
if err.(*flags.Error).Type == flags.ErrHelp {
os.Exit(0)
}
parser.WriteHelp(os.Stderr)
os.Exit(1)
}
db, err := ReadDatabaseFromFile(options.DbPath)
if err != nil {
if os.IsNotExist(err) {
db = NewDatabase()
} else {
panic(err)
}
}
defer db.WriteToFile(options.DbPath)
var command string
if parser.Active != nil {
command = parser.Active.Name
} else if len(args) == 0 {
command = "list"
} else {
command = "new"
}
switch command {
case "new":
err := db.NewTask(strings.Join(args, " "))
if err != nil {
fmt.Println(err.Error())
}
case "list":
db.printDB(strings.Join(args, " "))
case "done":
err := db.checkTask(strings.Join(args, " "))
if err != nil {
fmt.Println(err.Error())
}
}
}
// vi:noet:ts=4:sw=4: