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package gerrit
import (
goGerrit "github.com/andygrunwald/go-gerrit"
"net/url"
)
// passed to gerrit when retrieving changesets
var additionalFields = []string{"LABELS", "CURRENT_REVISION", "CURRENT_COMMIT", "DETAILED_ACCOUNTS"}
// IClient defines the gerrit.Client interface
type IClient interface {
SearchChangesets(queryString string) (changesets []*Changeset, Error error)
GetHEAD(projectName string, branchName string) (string, error)
GetChangeset(changeID string) (*Changeset, error)
SubmitChangeset(changeset *Changeset) (*Changeset, error)
RebaseChangeset(changeset *Changeset, ref string) (*Changeset, error)
RemoveTag(changeset *Changeset, tag string) (*Changeset, error)
}
var _ IClient = &Client{}
// Client provides some ways to interact with a gerrit instance
type Client struct {
client *goGerrit.Client
}
// NewClient initializes a new gerrit client
func NewClient(URL, username, password string) (*Client, error) {
urlParsed, err := url.Parse(URL)
if err != nil {
return nil, err
}
urlParsed.User = url.UserPassword(username, password)
goGerritClient, err := goGerrit.NewClient(urlParsed.String(), nil)
if err != nil {
return nil, err
}
return &Client{client: goGerritClient}, nil
}
// SearchChangesets fetches a list of changesets matching a passed query string
func (gerrit *Client) SearchChangesets(queryString string) (changesets []*Changeset, Error error) {
opt := &goGerrit.QueryChangeOptions{}
opt.Query = []string{
queryString,
}
opt.AdditionalFields = additionalFields //TODO: check DETAILED_ACCOUNTS is needed
changes, _, err := gerrit.client.Changes.QueryChanges(opt)
if err != nil {
return nil, err
}
changesets = make([]*Changeset, 0)
for _, change := range *changes {
changesets = append(changesets, MakeChangeset(&change))
}
return changesets, nil
}
// GetHEAD returns the commit ID of a selected branch
func (gerrit *Client) GetHEAD(projectName string, branchName string) (string, error) {
branchInfo, _, err := gerrit.client.Projects.GetBranch(projectName, branchName)
if err != nil {
return "", err
}
return branchInfo.Revision, nil
}
// GetChangeset downloads an existing Changeset from gerrit, by its ID
// Gerrit's API is a bit sparse, and only returns what you explicitly ask it
// This is used to refresh an existing changeset with more data.
func (gerrit *Client) GetChangeset(changeID string) (*Changeset, error) {
opt := goGerrit.ChangeOptions{}
opt.AdditionalFields = []string{"LABELS", "DETAILED_ACCOUNTS"}
changeInfo, _, err := gerrit.client.Changes.GetChange(changeID, &opt)
if err != nil {
return nil, err
}
return MakeChangeset(changeInfo), nil
}
// SubmitChangeset submits a given changeset, and returns a changeset afterwards.
func (gerrit *Client) SubmitChangeset(changeset *Changeset) (*Changeset, error) {
changeInfo, _, err := gerrit.client.Changes.SubmitChange(changeset.ChangeID, &goGerrit.SubmitInput{})
if err != nil {
return nil, err
}
return gerrit.GetChangeset(changeInfo.ChangeID)
}
// RebaseChangeset rebases a given changeset on top of a given ref
func (gerrit *Client) RebaseChangeset(changeset *Changeset, ref string) (*Changeset, error) {
changeInfo, _, err := gerrit.client.Changes.RebaseChange(changeset.ChangeID, &goGerrit.RebaseInput{
Base: ref,
})
if err != nil {
return changeset, err
}
return gerrit.GetChangeset(changeInfo.ChangeID)
}
// RemoveTag removes the submit queue tag from a changeset and updates gerrit
// we never add, that's something users should do in the GUI.
func (gerrit *Client) RemoveTag(changeset *Changeset, tag string) (*Changeset, error) {
hashTags := changeset.HashTags
newHashTags := []string{}
for _, hashTag := range hashTags {
if hashTag != tag {
newHashTags = append(newHashTags, hashTag)
}
}
// TODO: implement set hashtags api in go-gerrit and use here
// https://gerrit-review.googlesource.com/Documentation/rest-api-changes.html#set-hashtags
return changeset, nil
}
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