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|
package launchpad
import (
"bufio"
"errors"
"fmt"
"net/http"
"os"
"regexp"
"strings"
"time"
"github.com/MichaelMure/git-bug/bridge/core"
"github.com/MichaelMure/git-bug/repository"
)
var ErrBadProjectURL = errors.New("bad Launchpad project URL")
const (
keyProject = "project"
defaultTimeout = 60 * time.Second
)
func (*Launchpad) Configure(repo repository.RepoCommon, params core.BridgeParams) (core.Configuration, error) {
if params.Token != "" {
fmt.Println("warning: --token is ineffective for a Launchpad bridge")
}
if params.Owner != "" {
fmt.Println("warning: --owner is ineffective for a Launchpad bridge")
}
conf := make(core.Configuration)
var err error
var project string
if params.Project != "" {
project = params.Project
} else if params.URL != "" {
// get project name from url
project, err = splitURL(params.URL)
if err != nil {
return nil, err
}
} else {
// get project name from terminal prompt
project, err = promptProjectName()
if err != nil {
return nil, err
}
}
// verify project
ok, err := validateProject(project)
if err != nil {
return nil, err
}
if !ok {
return nil, fmt.Errorf("project doesn't exist")
}
conf[keyProject] = project
return conf, nil
}
func (*Launchpad) ValidateConfig(conf core.Configuration) error {
if _, ok := conf[keyProject]; !ok {
return fmt.Errorf("missing %s key", keyProject)
}
return nil
}
func promptProjectName() (string, error) {
for {
fmt.Print("Launchpad project name: ")
line, err := bufio.NewReader(os.Stdin).ReadString('\n')
if err != nil {
return "", err
}
line = strings.TrimRight(line, "\n")
if line == "" {
fmt.Println("Project name is empty")
continue
}
return line, nil
}
}
func validateProject(project string) (bool, error) {
url := fmt.Sprintf("%s/%s", apiRoot, project)
client := &http.Client{
Timeout: defaultTimeout,
}
resp, err := client.Get(url)
if err != nil {
return false, err
}
return resp.StatusCode == http.StatusOK, nil
}
// extract project name from url
func splitURL(url string) (string, error) {
re, err := regexp.Compile(`launchpad\.net[\/:]([^\/]*[a-z]+)`)
if err != nil {
panic("regexp compile:" + err.Error())
}
res := re.FindStringSubmatch(url)
if res == nil {
return "", ErrBadProjectURL
}
return res[1], nil
}
|
