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[API] Pull Requests (#248)

This commit is contained in:
Kim "BKC" Carlbäcker 2016-12-02 12:10:39 +01:00 committed by GitHub
parent d7ed78a919
commit 0f05470cb8
6 changed files with 592 additions and 0 deletions

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@ -584,6 +584,28 @@ func (err ErrPullRequestNotExist) Error() string {
err.ID, err.IssueID, err.HeadRepoID, err.BaseRepoID, err.HeadBarcnh, err.BaseBranch)
}
// ErrPullRequestAlreadyExists represents a "PullRequestAlreadyExists"-error
type ErrPullRequestAlreadyExists struct {
ID int64
IssueID int64
HeadRepoID int64
BaseRepoID int64
HeadBranch string
BaseBranch string
}
// IsErrPullRequestAlreadyExists checks if an error is a ErrPullRequestAlreadyExists.
func IsErrPullRequestAlreadyExists(err error) bool {
_, ok := err.(ErrPullRequestAlreadyExists)
return ok
}
// Error does pretty-printing :D
func (err ErrPullRequestAlreadyExists) Error() string {
return fmt.Sprintf("pull request already exists for these targets [id: %d, issue_id: %d, head_repo_id: %d, base_repo_id: %d, head_branch: %s, base_branch: %s]",
err.ID, err.IssueID, err.HeadRepoID, err.BaseRepoID, err.HeadBranch, err.BaseBranch)
}
// _________ __
// \_ ___ \ ____ _____ _____ ____ _____/ |_
// / \ \/ / _ \ / \ / \_/ __ \ / \ __\

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@ -170,6 +170,22 @@ func (issue *Issue) HTMLURL() string {
return fmt.Sprintf("%s/%s/%d", issue.Repo.HTMLURL(), path, issue.Index)
}
// DiffURL returns the absolute URL to this diff
func (issue *Issue) DiffURL() string {
if issue.IsPull {
return fmt.Sprintf("%s/pulls/%d.diff", issue.Repo.HTMLURL(), issue.Index)
}
return ""
}
// PatchURL returns the absolute URL to this patch
func (issue *Issue) PatchURL() string {
if issue.IsPull {
return fmt.Sprintf("%s/pulls/%d.patch", issue.Repo.HTMLURL(), issue.Index)
}
return ""
}
// State returns string representation of issue status.
func (issue *Issue) State() api.StateType {
if issue.IsClosed {

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@ -121,7 +121,26 @@ func (pr *PullRequest) LoadIssue() (err error) {
// Required - Issue
// Optional - Merger
func (pr *PullRequest) APIFormat() *api.PullRequest {
apiIssue := pr.Issue.APIFormat()
baseBranch, _ := pr.BaseRepo.GetBranch(pr.BaseBranch)
baseCommit, _ := baseBranch.GetCommit()
headBranch, _ := pr.HeadRepo.GetBranch(pr.HeadBranch)
headCommit, _ := headBranch.GetCommit()
apiBaseBranchInfo := &api.PRBranchInfo{
Name: pr.BaseBranch,
Ref: pr.BaseBranch,
Sha: baseCommit.ID.String(),
RepoID: pr.BaseRepoID,
Repository: pr.BaseRepo.APIFormat(nil),
}
apiHeadBranchInfo := &api.PRBranchInfo{
Name: pr.HeadBranch,
Ref: pr.HeadBranch,
Sha: headCommit.ID.String(),
RepoID: pr.HeadRepoID,
Repository: pr.HeadRepo.APIFormat(nil),
}
apiPullRequest := &api.PullRequest{
ID: pr.ID,
Index: pr.Index,
@ -134,7 +153,12 @@ func (pr *PullRequest) APIFormat() *api.PullRequest {
State: apiIssue.State,
Comments: apiIssue.Comments,
HTMLURL: pr.Issue.HTMLURL(),
DiffURL: pr.Issue.DiffURL(),
PatchURL: pr.Issue.PatchURL(),
HasMerged: pr.HasMerged,
Base: apiBaseBranchInfo,
Head: apiHeadBranchInfo,
MergeBase: pr.MergeBase,
}
if pr.Status != PullRequestStatusChecking {
@ -472,6 +496,46 @@ func NewPullRequest(repo *Repository, pull *Issue, labelIDs []int64, uuids []str
return nil
}
// PullRequestsOptions holds the options for PRs
type PullRequestsOptions struct {
Page int
State string
SortType string
Labels []string
MilestoneID int64
}
func listPullRequestStatement(baseRepoID int64, opts *PullRequestsOptions) *xorm.Session {
sess := x.Where("pull_request.base_repo_id=?", baseRepoID)
sess.Join("INNER", "issue", "pull_request.issue_id = issue.id")
switch opts.State {
case "closed", "open":
sess.And("issue.is_closed=?", opts.State == "closed")
}
return sess
}
// PullRequests returns all pull requests for a base Repo by the given conditions
func PullRequests(baseRepoID int64, opts *PullRequestsOptions) ([]*PullRequest, int64, error) {
if opts.Page <= 0 {
opts.Page = 1
}
countSession := listPullRequestStatement(baseRepoID, opts)
maxResults, err := countSession.Count(new(PullRequest))
if err != nil {
log.Error(4, "Count PRs", err)
return nil, maxResults, err
}
prs := make([]*PullRequest, 0, ItemsPerPage)
findSession := listPullRequestStatement(baseRepoID, opts)
findSession.Limit(ItemsPerPage, (opts.Page-1)*ItemsPerPage)
return prs, maxResults, findSession.Find(&prs)
}
// GetUnmergedPullRequest returnss a pull request that is open and has not been merged
// by given head/base and repo/branch.
func GetUnmergedPullRequest(headRepoID, baseRepoID int64, headBranch, baseBranch string) (*PullRequest, error) {
@ -512,6 +576,26 @@ func GetUnmergedPullRequestsByBaseInfo(repoID int64, branch string) ([]*PullRequ
Find(&prs)
}
// GetPullRequestByIndex returns a pull request by the given index
func GetPullRequestByIndex(repoID int64, index int64) (*PullRequest, error) {
pr := &PullRequest{
BaseRepoID: repoID,
Index: index,
}
has, err := x.Get(pr)
if err != nil {
return nil, err
} else if !has {
return nil, ErrPullRequestNotExist{0, repoID, index, 0, "", ""}
}
pr.LoadAttributes()
pr.LoadIssue()
return pr, nil
}
func getPullRequestByID(e Engine, id int64) (*PullRequest, error) {
pr := new(PullRequest)
has, err := e.Id(id).Get(pr)

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@ -8,6 +8,7 @@ import (
"fmt"
"strings"
"code.gitea.io/git"
"code.gitea.io/gitea/models"
"code.gitea.io/gitea/modules/base"
"code.gitea.io/gitea/modules/log"
@ -103,3 +104,24 @@ func ExtractOwnerAndRepo() macaron.Handler {
ctx.Data["Repository"] = repo
}
}
// ReferencesGitRepo injects the GitRepo into the Context
func ReferencesGitRepo() macaron.Handler {
return func(ctx *APIContext) {
// Empty repository does not have reference information.
if ctx.Repo.Repository.IsBare {
return
}
// For API calls.
if ctx.Repo.GitRepo == nil {
repoPath := models.RepoPath(ctx.Repo.Owner.Name, ctx.Repo.Repository.Name)
gitRepo, err := git.OpenRepository(repoPath)
if err != nil {
ctx.Error(500, "RepoRef Invalid repo "+repoPath, err)
return
}
ctx.Repo.GitRepo = gitRepo
}
}
}

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@ -167,6 +167,13 @@ func mustEnableIssues(ctx *context.APIContext) {
}
}
func mustAllowPulls(ctx *context.Context) {
if !ctx.Repo.Repository.AllowsPulls() {
ctx.Status(404)
return
}
}
// RegisterRoutes registers all v1 APIs routes to web application.
// FIXME: custom form error response
func RegisterRoutes(m *macaron.Macaron) {
@ -305,6 +312,14 @@ func RegisterRoutes(m *macaron.Macaron) {
Delete(reqRepoWriter(), repo.DeleteMilestone)
})
m.Get("/editorconfig/:filename", context.RepoRef(), repo.GetEditorconfig)
m.Group("/pulls", func() {
m.Combo("").Get(bind(api.ListPullRequestsOptions{}), repo.ListPullRequests).Post(reqRepoWriter(), bind(api.CreatePullRequestOption{}), repo.CreatePullRequest)
m.Group("/:index", func() {
m.Combo("").Get(repo.GetPullRequest).Patch(reqRepoWriter(), bind(api.EditPullRequestOption{}), repo.EditPullRequest)
m.Combo("/merge").Get(repo.IsPullRequestMerged).Post(reqRepoWriter(), repo.MergePullRequest)
})
}, mustAllowPulls, context.ReferencesGitRepo())
}, repoAssignment())
}, reqToken())

433
routers/api/v1/repo/pull.go Normal file
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@ -0,0 +1,433 @@
// Copyright 2016 The Gitea Authors. All rights reserved.
// Use of this source code is governed by a MIT-style
// license that can be found in the LICENSE file.
package repo
import (
"fmt"
"strings"
"code.gitea.io/git"
"code.gitea.io/gitea/models"
"code.gitea.io/gitea/modules/context"
"code.gitea.io/gitea/modules/log"
api "code.gitea.io/sdk/gitea"
)
// ListPullRequests returns a list of all PRs
func ListPullRequests(ctx *context.APIContext, form api.ListPullRequestsOptions) {
prs, maxResults, err := models.PullRequests(ctx.Repo.Repository.ID, &models.PullRequestsOptions{
Page: ctx.QueryInt("page"),
State: ctx.QueryTrim("state"),
SortType: ctx.QueryTrim("sort"),
Labels: ctx.QueryStrings("labels"),
MilestoneID: ctx.QueryInt64("milestone"),
})
/*prs, maxResults, err := models.PullRequests(ctx.Repo.Repository.ID, &models.PullRequestsOptions{
Page: form.Page,
State: form.State,
})*/
if err != nil {
ctx.Error(500, "PullRequests", err)
return
}
apiPrs := make([]*api.PullRequest, len(prs))
for i := range prs {
prs[i].LoadIssue()
prs[i].LoadAttributes()
prs[i].GetBaseRepo()
prs[i].GetHeadRepo()
apiPrs[i] = prs[i].APIFormat()
}
ctx.SetLinkHeader(int(maxResults), models.ItemsPerPage)
ctx.JSON(200, &apiPrs)
}
// GetPullRequest returns a single PR based on index
func GetPullRequest(ctx *context.APIContext) {
pr, err := models.GetPullRequestByIndex(ctx.Repo.Repository.ID, ctx.ParamsInt64(":index"))
if err != nil {
if models.IsErrPullRequestNotExist(err) {
ctx.Status(404)
} else {
ctx.Error(500, "GetPullRequestByIndex", err)
}
return
}
pr.GetBaseRepo()
pr.GetHeadRepo()
ctx.JSON(200, pr.APIFormat())
}
// CreatePullRequest does what it says
func CreatePullRequest(ctx *context.APIContext, form api.CreatePullRequestOption) {
var (
repo = ctx.Repo.Repository
labelIDs []int64
assigneeID int64
milestoneID int64
)
// Get repo/branch information
headUser, headRepo, headGitRepo, prInfo, baseBranch, headBranch := parseCompareInfo(ctx, form)
if ctx.Written() {
return
}
// Check if another PR exists with the same targets
existingPr, err := models.GetUnmergedPullRequest(headRepo.ID, ctx.Repo.Repository.ID, headBranch, baseBranch)
if err != nil {
if !models.IsErrPullRequestNotExist(err) {
ctx.Error(500, "GetUnmergedPullRequest", err)
return
}
} else {
err = models.ErrPullRequestAlreadyExists{
ID: existingPr.ID,
IssueID: existingPr.Index,
HeadRepoID: existingPr.HeadRepoID,
BaseRepoID: existingPr.BaseRepoID,
HeadBranch: existingPr.HeadBranch,
BaseBranch: existingPr.BaseBranch,
}
ctx.Error(409, "GetUnmergedPullRequest", err)
return
}
if len(form.Labels) > 0 {
labels, err := models.GetLabelsInRepoByIDs(ctx.Repo.Repository.ID, form.Labels)
if err != nil {
ctx.Error(500, "GetLabelsInRepoByIDs", err)
return
}
labelIDs = make([]int64, len(labels))
for i := range labels {
labelIDs[i] = labels[i].ID
}
}
if form.Milestone > 0 {
milestone, err := models.GetMilestoneByRepoID(ctx.Repo.Repository.ID, milestoneID)
if err != nil {
if models.IsErrMilestoneNotExist(err) {
ctx.Status(404)
} else {
ctx.Error(500, "GetMilestoneByRepoID", err)
}
return
}
milestoneID = milestone.ID
}
if len(form.Assignee) > 0 {
assigneeUser, err := models.GetUserByName(form.Assignee)
if err != nil {
if models.IsErrUserNotExist(err) {
ctx.Error(422, "", fmt.Sprintf("assignee does not exist: [name: %s]", form.Assignee))
} else {
ctx.Error(500, "GetUserByName", err)
}
return
}
assignee, err := repo.GetAssigneeByID(assigneeUser.ID)
if err != nil {
ctx.Error(500, "GetAssigneeByID", err)
return
}
assigneeID = assignee.ID
}
patch, err := headGitRepo.GetPatch(prInfo.MergeBase, headBranch)
if err != nil {
ctx.Error(500, "GetPatch", err)
return
}
prIssue := &models.Issue{
RepoID: repo.ID,
Index: repo.NextIssueIndex(),
Title: form.Title,
PosterID: ctx.User.ID,
Poster: ctx.User,
MilestoneID: milestoneID,
AssigneeID: assigneeID,
IsPull: true,
Content: form.Body,
}
pr := &models.PullRequest{
HeadRepoID: headRepo.ID,
BaseRepoID: repo.ID,
HeadUserName: headUser.Name,
HeadBranch: headBranch,
BaseBranch: baseBranch,
HeadRepo: headRepo,
BaseRepo: repo,
MergeBase: prInfo.MergeBase,
Type: models.PullRequestGitea,
}
if err := models.NewPullRequest(repo, prIssue, labelIDs, []string{}, pr, patch); err != nil {
ctx.Error(500, "NewPullRequest", err)
return
} else if err := pr.PushToBaseRepo(); err != nil {
ctx.Error(500, "PushToBaseRepo", err)
return
}
log.Trace("Pull request created: %d/%d", repo.ID, prIssue.ID)
ctx.JSON(201, pr.APIFormat())
}
// EditPullRequest does what it says
func EditPullRequest(ctx *context.APIContext, form api.EditPullRequestOption) {
pr, err := models.GetPullRequestByIndex(ctx.Repo.Repository.ID, ctx.ParamsInt64(":index"))
if err != nil {
if models.IsErrPullRequestNotExist(err) {
ctx.Status(404)
} else {
ctx.Error(500, "GetPullRequestByIndex", err)
}
return
}
pr.LoadIssue()
issue := pr.Issue
if !issue.IsPoster(ctx.User.ID) && !ctx.Repo.IsWriter() {
ctx.Status(403)
return
}
if len(form.Title) > 0 {
issue.Title = form.Title
}
if len(form.Body) > 0 {
issue.Content = form.Body
}
if ctx.Repo.IsWriter() && len(form.Assignee) > 0 &&
(issue.Assignee == nil || issue.Assignee.LowerName != strings.ToLower(form.Assignee)) {
if len(form.Assignee) == 0 {
issue.AssigneeID = 0
} else {
assignee, err := models.GetUserByName(form.Assignee)
if err != nil {
if models.IsErrUserNotExist(err) {
ctx.Error(422, "", fmt.Sprintf("assignee does not exist: [name: %s]", form.Assignee))
} else {
ctx.Error(500, "GetUserByName", err)
}
return
}
issue.AssigneeID = assignee.ID
}
if err = models.UpdateIssueUserByAssignee(issue); err != nil {
ctx.Error(500, "UpdateIssueUserByAssignee", err)
return
}
}
if ctx.Repo.IsWriter() && form.Milestone != 0 &&
issue.MilestoneID != form.Milestone {
oldMilestoneID := issue.MilestoneID
issue.MilestoneID = form.Milestone
if err = models.ChangeMilestoneAssign(issue, oldMilestoneID); err != nil {
ctx.Error(500, "ChangeMilestoneAssign", err)
return
}
}
if err = models.UpdateIssue(issue); err != nil {
ctx.Error(500, "UpdateIssue", err)
return
}
if form.State != nil {
if err = issue.ChangeStatus(ctx.User, ctx.Repo.Repository, api.StateClosed == api.StateType(*form.State)); err != nil {
ctx.Error(500, "ChangeStatus", err)
return
}
}
// Refetch from database
pr, err = models.GetPullRequestByIndex(ctx.Repo.Repository.ID, pr.Index)
if err != nil {
if models.IsErrPullRequestNotExist(err) {
ctx.Status(404)
} else {
ctx.Error(500, "GetPullRequestByIndex", err)
}
return
}
ctx.JSON(201, pr.APIFormat())
}
// IsPullRequestMerged checks if a PR exists given an index
// - Returns 204 if it exists
// Otherwise 404
func IsPullRequestMerged(ctx *context.APIContext) {
pr, err := models.GetPullRequestByIndex(ctx.Repo.Repository.ID, ctx.ParamsInt64(":index"))
if err != nil {
if models.IsErrPullRequestNotExist(err) {
ctx.Status(404)
} else {
ctx.Error(500, "GetPullRequestByIndex", err)
}
return
}
if pr.HasMerged {
ctx.Status(204)
}
ctx.Status(404)
}
// MergePullRequest merges a PR given an index
func MergePullRequest(ctx *context.APIContext) {
pr, err := models.GetPullRequestByIndex(ctx.Repo.Repository.ID, ctx.ParamsInt64(":index"))
if err != nil {
if models.IsErrPullRequestNotExist(err) {
ctx.Handle(404, "GetPullRequestByIndex", err)
} else {
ctx.Error(500, "GetPullRequestByIndex", err)
}
return
}
if err = pr.GetHeadRepo(); err != nil {
ctx.Handle(500, "GetHeadRepo", err)
return
}
pr.LoadIssue()
pr.Issue.Repo = ctx.Repo.Repository
if ctx.IsSigned {
// Update issue-user.
if err = pr.Issue.ReadBy(ctx.User.ID); err != nil {
ctx.Error(500, "ReadBy", err)
return
}
}
if pr.Issue.IsClosed {
ctx.Status(404)
return
}
if !pr.CanAutoMerge() || pr.HasMerged {
ctx.Status(405)
return
}
if err := pr.Merge(ctx.User, ctx.Repo.GitRepo); err != nil {
ctx.Error(500, "Merge", err)
return
}
log.Trace("Pull request merged: %d", pr.ID)
ctx.Status(200)
}
func parseCompareInfo(ctx *context.APIContext, form api.CreatePullRequestOption) (*models.User, *models.Repository, *git.Repository, *git.PullRequestInfo, string, string) {
baseRepo := ctx.Repo.Repository
// Get compared branches information
// format: <base branch>...[<head repo>:]<head branch>
// base<-head: master...head:feature
// same repo: master...feature
// TODO: Validate form first?
baseBranch := form.Base
var (
headUser *models.User
headBranch string
isSameRepo bool
err error
)
// If there is no head repository, it means pull request between same repository.
headInfos := strings.Split(form.Head, ":")
if len(headInfos) == 1 {
isSameRepo = true
headUser = ctx.Repo.Owner
headBranch = headInfos[0]
} else if len(headInfos) == 2 {
headUser, err = models.GetUserByName(headInfos[0])
if err != nil {
if models.IsErrUserNotExist(err) {
ctx.Handle(404, "GetUserByName", nil)
} else {
ctx.Handle(500, "GetUserByName", err)
}
return nil, nil, nil, nil, "", ""
}
headBranch = headInfos[1]
} else {
ctx.Status(404)
return nil, nil, nil, nil, "", ""
}
ctx.Repo.PullRequest.SameRepo = isSameRepo
log.Info("Base branch: %s", baseBranch)
log.Info("Repo path: %s", ctx.Repo.GitRepo.Path)
// Check if base branch is valid.
if !ctx.Repo.GitRepo.IsBranchExist(baseBranch) {
ctx.Status(404)
return nil, nil, nil, nil, "", ""
}
// Check if current user has fork of repository or in the same repository.
headRepo, has := models.HasForkedRepo(headUser.ID, baseRepo.ID)
if !has && !isSameRepo {
log.Trace("parseCompareInfo[%d]: does not have fork or in same repository", baseRepo.ID)
ctx.Status(404)
return nil, nil, nil, nil, "", ""
}
var headGitRepo *git.Repository
if isSameRepo {
headRepo = ctx.Repo.Repository
headGitRepo = ctx.Repo.GitRepo
} else {
headGitRepo, err = git.OpenRepository(models.RepoPath(headUser.Name, headRepo.Name))
if err != nil {
ctx.Error(500, "OpenRepository", err)
return nil, nil, nil, nil, "", ""
}
}
if !ctx.User.IsWriterOfRepo(headRepo) && !ctx.User.IsAdmin {
log.Trace("ParseCompareInfo[%d]: does not have write access or site admin", baseRepo.ID)
ctx.Status(404)
return nil, nil, nil, nil, "", ""
}
// Check if head branch is valid.
if !headGitRepo.IsBranchExist(headBranch) {
ctx.Status(404)
return nil, nil, nil, nil, "", ""
}
prInfo, err := headGitRepo.GetPullRequestInfo(models.RepoPath(baseRepo.Owner.Name, baseRepo.Name), baseBranch, headBranch)
if err != nil {
ctx.Error(500, "GetPullRequestInfo", err)
return nil, nil, nil, nil, "", ""
}
return headUser, headRepo, headGitRepo, prInfo, baseBranch, headBranch
}