forked from codelingo/codelingo
/
tenet.go
237 lines (202 loc) · 4.16 KB
/
tenet.go
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package commands
import (
"fmt"
"github.com/codegangsta/cli"
"github.com/juju/errors"
"github.com/lingo-reviews/lingo/tenet"
"github.com/lingo-reviews/lingo/util"
"github.com/lingo-reviews/tenets/go/dev/api"
)
// TenetCMD is a fallthrough CMD which treats command as the tenet name and
// passes through any arguments to the tenet.
func TenetCMD(ctx *cli.Context, command string) {
var commandIsTenet bool
var cfg TenetConfig
// Does the command match an installed tenet?
for _, cfg = range listTenets(ctx) {
if command == cfg.Name {
commandIsTenet = true
break
}
}
if !commandIsTenet {
fmt.Println("command not found")
return
}
tnCMDs, err := newTenetCMDs(ctx, cfg)
if err != nil {
oserrf(err.Error())
return
}
defer tnCMDs.closeService()
if err := tnCMDs.run(); err != nil {
oserrf(err.Error())
return
}
return
}
func (c *tenetCMDs) run() error {
method := "help"
args := c.ctx.Args()
if len(args[1:]) > 0 {
method = args[1]
}
switch method {
case "help":
args := c.ctx.Args()
if len(args) > 3 {
return c.printCmdHelp(args[2])
}
return c.printHelp()
case "info":
return c.printInfo()
case "description":
info, err := c.info()
if err != nil {
return errors.Trace(err)
}
fmt.Println(info.Description)
case "review":
return c.review()
}
return errors.Errorf("tenet does not have method %q", method)
}
type tenetCMDs struct {
ctx *cli.Context
cfg TenetConfig
tn tenet.Tenet
service tenet.TenetService
}
func newTenetCMDs(ctx *cli.Context, cfg TenetConfig) (*tenetCMDs, error) {
tn, err := newTenet(ctx, cfg)
if err != nil {
return nil, errors.Trace(err)
}
return &tenetCMDs{
ctx: ctx,
cfg: cfg,
tn: tn,
}, nil
}
func (c *tenetCMDs) openService() (tenet.TenetService, error) {
if c.service == nil {
s, err := c.tn.OpenService()
if err != nil {
return nil, errors.Trace(err)
}
c.service = s
}
return c.service, nil
}
func (c *tenetCMDs) closeService() error {
if s := c.service; s != nil {
return s.Close()
}
return nil
}
func (c *tenetCMDs) printInfo() error {
info, err := c.info()
if err != nil {
return errors.Trace(err)
}
text, err := util.FormatOutput(info, infoTemplate)
if err != nil {
return errors.Trace(err)
}
fmt.Println(text)
return nil
}
func (c *tenetCMDs) info() (*api.Info, error) {
s, err := c.openService()
if err != nil {
return nil, errors.Trace(err)
}
info, err := s.Info()
if err != nil {
return nil, errors.Trace(err)
}
return info, nil
}
func (c *tenetCMDs) printHelp() error {
var text string
var err error
info, err := c.info()
if err != nil {
return errors.Trace(err)
}
text, err = fmtHelp(info)
if err != nil {
return errors.Trace(err)
}
fmt.Println(text)
return nil
}
func (c *tenetCMDs) review() error {
return errors.New("not implemented")
// s, err := c.openService()
// if err != nil {
// return errors.Trace(err)
// }
// s.Review(filesc, issuesc)
}
func fmtHelp(info *api.Info) (string, error) {
h := struct {
*api.Info
Commands []*tenetCommand
}{
Info: info,
Commands: tenetCommands(),
}
return util.FormatOutput(h, helpTemplate)
}
func (c *tenetCMDs) printCmdHelp(cmdName string) error {
for _, cmd := range tenetCommands() {
if cmd.Name == cmdName {
out, err := util.FormatOutput(cmd, cmdHelpTemplate)
if err != nil {
return errors.Trace(err)
}
fmt.Print(out)
return nil
}
}
fmt.Printf("no help found for %q", cmdName)
return nil
}
// TODO(waigani) list commands under help
var helpTemplate = `NAME:
{{.Name}} - {{.Usage}}
USAGE:
command {{.Name}} [arguments...]{{if .Description}}
DESCRIPTION:
{{.Description}}{{end}}
`
var cmdHelpTemplate = `NAME:
{{.Name}} - {{.Usage}}
USAGE:
command {{.Name}} [arguments...]{{if .Description}}
DESCRIPTION:
{{.Description}}{{end}}
`
var infoTemplate = `NAME:
{{.Name}}
LANGUAGE:
{{.Language}}
USAGE:
{{.Usage}}
VERSION:
{{.Version}}{{if .Options}}
OPTIONS:
The following option(s) can be set in .lingo or with the --options flag when
running a review:
{{range .Options}}
- {{.Name}} ("{{.Value}}"): {{.Usage}}
{{end}}
{{end}}{{if .Metrics}}
METRICS:
{{.Metrics}}
{{end}}{{if .Tags}}
TAGS:
{{.Tags}}
{{end}}
`