forked from tcnksm/ghr
/
github.go
207 lines (164 loc) · 5.35 KB
/
github.go
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package main
import (
"context"
"fmt"
"net/http"
"net/url"
"os"
"path/filepath"
"strings"
"github.com/google/go-github/github"
"github.com/pkg/errors"
"golang.org/x/oauth2"
)
var (
RelaseNotFound = errors.New("release is not found")
)
type GitHub interface {
CreateRelease(ctx context.Context, req *github.RepositoryRelease) (*github.RepositoryRelease, error)
GetRelease(ctx context.Context, tag string) (*github.RepositoryRelease, error)
DeleteRelease(ctx context.Context, releaseID int) error
DeleteTag(ctx context.Context, tag string) error
UploadAsset(ctx context.Context, releaseID int, filename string) (*github.ReleaseAsset, error)
DeleteAsset(ctx context.Context, assetID int) error
ListAssets(ctx context.Context, releaseID int) ([]*github.ReleaseAsset, error)
SetUploadURL(urlStr string) error
}
type GitHubClient struct {
Owner, Repo string
*github.Client
}
func NewGitHubClient(owner, repo, token string, urlStr string) (GitHub, error) {
if len(owner) == 0 {
return nil, errors.New("missing GitHub repository owner")
}
if len(owner) == 0 {
return nil, errors.New("missing GitHub repository name")
}
if len(token) == 0 {
return nil, errors.New("missing GitHub API token")
}
if len(urlStr) == 0 {
return nil, errors.New("missgig GitHub API URL")
}
baseURL, err := url.ParseRequestURI(urlStr)
if err != nil {
return nil, errors.Wrap(err, "failed to parse Github API URL")
}
ts := oauth2.StaticTokenSource(&oauth2.Token{
AccessToken: token,
})
tc := oauth2.NewClient(oauth2.NoContext, ts)
client := github.NewClient(tc)
client.BaseURL = baseURL
return &GitHubClient{
Owner: owner,
Repo: repo,
Client: client,
}, nil
}
func (c *GitHubClient) SetUploadURL(urlStr string) error {
i := strings.Index(urlStr, "repos/")
parsedURL, err := url.ParseRequestURI(urlStr[:i])
if err != nil {
return errors.Wrap(err, "faield to parse upload URL")
}
c.UploadURL = parsedURL
return nil
}
func (c *GitHubClient) CreateRelease(ctx context.Context, req *github.RepositoryRelease) (*github.RepositoryRelease, error) {
release, res, err := c.Repositories.CreateRelease(c.Owner, c.Repo, req)
if err != nil {
return nil, errors.Wrap(err, "failed to create a release")
}
if res.StatusCode != http.StatusCreated {
return nil, errors.Errorf("create release: invalid status: %s", res.Status)
}
return release, nil
}
func (c *GitHubClient) GetRelease(ctx context.Context, tag string) (*github.RepositoryRelease, error) {
// Check Release is already exist or not
release, res, err := c.Repositories.GetReleaseByTag(c.Owner, c.Repo, tag)
if err != nil {
if res == nil {
return nil, errors.Wrapf(err, "failed to get release tag: %s", tag)
}
// TODO(tcnksm): Handle invalid token
if res.StatusCode != http.StatusNotFound {
return nil, errors.Wrapf(err,
"get release tag: invalid status: %s", res.Status)
}
return nil, RelaseNotFound
}
return release, nil
}
func (c *GitHubClient) DeleteRelease(ctx context.Context, releaseID int) error {
res, err := c.Repositories.DeleteRelease(c.Owner, c.Repo, releaseID)
if err != nil {
return errors.Wrap(err, "failed to delete release")
}
if res.StatusCode != http.StatusNoContent {
return errors.Errorf("delete release: invalid status: %s", res.Status)
}
return nil
}
func (c *GitHubClient) DeleteTag(ctx context.Context, tag string) error {
ref := fmt.Sprintf("tags/%s", tag)
res, err := c.Git.DeleteRef(c.Owner, c.Repo, ref)
if err != nil {
return errors.Wrapf(err, "failed to delete tag: %s", ref)
}
if res.StatusCode != http.StatusNoContent {
return errors.Errorf("delete tag: invalid status: %s", res.Status)
}
return nil
}
func (c *GitHubClient) UploadAsset(ctx context.Context, releaseID int, filename string) (*github.ReleaseAsset, error) {
filename, err := filepath.Abs(filename)
if err != nil {
return nil, errors.Wrap(err, "failed to get abs path")
}
f, err := os.Open(filename)
if err != nil {
return nil, errors.Wrap(err, "failed to open file")
}
opts := &github.UploadOptions{
// Use base name by default
Name: filepath.Base(filename),
}
asset, res, err := c.Repositories.UploadReleaseAsset(c.Owner, c.Repo, releaseID, opts, f)
if err != nil {
return nil, errors.Wrapf(err, "failed to upload release asset: %s", filename)
}
switch res.StatusCode {
case http.StatusCreated:
return asset, nil
case 422:
return nil, errors.Errorf(
"upload release asset: invalid status code: %s",
"422 (this is probably because the asset already uploaded)")
default:
return nil, errors.Errorf(
"upload release asset: invalid status code: %s", res.Status)
}
}
func (c *GitHubClient) DeleteAsset(ctx context.Context, assetID int) error {
res, err := c.Repositories.DeleteReleaseAsset(c.Owner, c.Repo, assetID)
if err != nil {
return errors.Wrap(err, "failed to delete release asset")
}
if res.StatusCode != http.StatusNoContent {
return errors.Errorf("delete release assets: invalid status code: %s", res.Status)
}
return nil
}
func (c *GitHubClient) ListAssets(ctx context.Context, releaseID int) ([]*github.ReleaseAsset, error) {
assets, res, err := c.Repositories.ListReleaseAssets(c.Owner, c.Repo, releaseID, nil)
if err != nil {
return nil, errors.Wrap(err, "failed to list assets")
}
if res.StatusCode != http.StatusOK {
return nil, errors.Errorf("list release assets: invalid status code: %s", res.Status)
}
return assets, nil
}