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