329 lines
11 KiB
Go
329 lines
11 KiB
Go
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// Copyright 2016 The Gogs Authors. All rights reserved.
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// Copyright 2019 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 gitea
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import (
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"bytes"
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"encoding/json"
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"fmt"
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"net/url"
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"strings"
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"time"
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"github.com/hashicorp/go-version"
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)
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// PRBranchInfo information about a branch
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type PRBranchInfo struct {
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Name string `json:"label"`
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Ref string `json:"ref"`
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Sha string `json:"sha"`
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RepoID int64 `json:"repo_id"`
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Repository *Repository `json:"repo"`
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}
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// PullRequest represents a pull request
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type PullRequest struct {
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ID int64 `json:"id"`
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URL string `json:"url"`
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Index int64 `json:"number"`
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Poster *User `json:"user"`
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Title string `json:"title"`
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Body string `json:"body"`
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Labels []*Label `json:"labels"`
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Milestone *Milestone `json:"milestone"`
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Assignee *User `json:"assignee"`
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Assignees []*User `json:"assignees"`
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State StateType `json:"state"`
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IsLocked bool `json:"is_locked"`
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Comments int `json:"comments"`
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HTMLURL string `json:"html_url"`
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DiffURL string `json:"diff_url"`
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PatchURL string `json:"patch_url"`
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Mergeable bool `json:"mergeable"`
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HasMerged bool `json:"merged"`
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Merged *time.Time `json:"merged_at"`
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MergedCommitID *string `json:"merge_commit_sha"`
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MergedBy *User `json:"merged_by"`
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Base *PRBranchInfo `json:"base"`
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Head *PRBranchInfo `json:"head"`
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MergeBase string `json:"merge_base"`
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Deadline *time.Time `json:"due_date"`
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Created *time.Time `json:"created_at"`
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Updated *time.Time `json:"updated_at"`
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Closed *time.Time `json:"closed_at"`
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}
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// ListPullRequestsOptions options for listing pull requests
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type ListPullRequestsOptions struct {
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ListOptions
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State StateType `json:"state"`
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// oldest, recentupdate, leastupdate, mostcomment, leastcomment, priority
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Sort string
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Milestone int64
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}
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// MergeStyle is used specify how a pull is merged
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type MergeStyle string
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const (
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// MergeStyleMerge merge pull as usual
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MergeStyleMerge MergeStyle = "merge"
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// MergeStyleRebase rebase pull
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MergeStyleRebase MergeStyle = "rebase"
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// MergeStyleRebaseMerge rebase and merge pull
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MergeStyleRebaseMerge MergeStyle = "rebase-merge"
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// MergeStyleSquash squash and merge pull
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MergeStyleSquash MergeStyle = "squash"
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)
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// QueryEncode turns options into querystring argument
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func (opt *ListPullRequestsOptions) QueryEncode() string {
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query := opt.getURLQuery()
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if len(opt.State) > 0 {
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query.Add("state", string(opt.State))
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}
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if len(opt.Sort) > 0 {
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query.Add("sort", opt.Sort)
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}
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if opt.Milestone > 0 {
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query.Add("milestone", fmt.Sprintf("%d", opt.Milestone))
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}
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return query.Encode()
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}
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// ListRepoPullRequests list PRs of one repository
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func (c *Client) ListRepoPullRequests(owner, repo string, opt ListPullRequestsOptions) ([]*PullRequest, *Response, error) {
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if err := escapeValidatePathSegments(&owner, &repo); err != nil {
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return nil, nil, err
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}
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opt.setDefaults()
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prs := make([]*PullRequest, 0, opt.PageSize)
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link, _ := url.Parse(fmt.Sprintf("/repos/%s/%s/pulls", owner, repo))
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link.RawQuery = opt.QueryEncode()
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resp, err := c.getParsedResponse("GET", link.String(), jsonHeader, nil, &prs)
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if c.checkServerVersionGreaterThanOrEqual(version1_14_0) != nil {
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for i := range prs {
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if err := fixPullHeadSha(c, prs[i]); err != nil {
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return prs, resp, err
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}
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}
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}
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return prs, resp, err
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}
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// GetPullRequest get information of one PR
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func (c *Client) GetPullRequest(owner, repo string, index int64) (*PullRequest, *Response, error) {
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if err := escapeValidatePathSegments(&owner, &repo); err != nil {
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return nil, nil, err
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}
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pr := new(PullRequest)
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resp, err := c.getParsedResponse("GET", fmt.Sprintf("/repos/%s/%s/pulls/%d", owner, repo, index), nil, nil, pr)
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if c.checkServerVersionGreaterThanOrEqual(version1_14_0) != nil {
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if err := fixPullHeadSha(c, pr); err != nil {
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return pr, resp, err
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}
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}
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return pr, resp, err
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}
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// CreatePullRequestOption options when creating a pull request
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type CreatePullRequestOption struct {
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Head string `json:"head"`
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Base string `json:"base"`
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Title string `json:"title"`
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Body string `json:"body"`
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Assignee string `json:"assignee"`
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Assignees []string `json:"assignees"`
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Milestone int64 `json:"milestone"`
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Labels []int64 `json:"labels"`
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Deadline *time.Time `json:"due_date"`
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}
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// CreatePullRequest create pull request with options
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func (c *Client) CreatePullRequest(owner, repo string, opt CreatePullRequestOption) (*PullRequest, *Response, error) {
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if err := escapeValidatePathSegments(&owner, &repo); err != nil {
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return nil, nil, err
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}
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body, err := json.Marshal(&opt)
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if err != nil {
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return nil, nil, err
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}
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pr := new(PullRequest)
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resp, err := c.getParsedResponse("POST",
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fmt.Sprintf("/repos/%s/%s/pulls", owner, repo),
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jsonHeader, bytes.NewReader(body), pr)
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return pr, resp, err
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}
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// EditPullRequestOption options when modify pull request
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type EditPullRequestOption struct {
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Title string `json:"title"`
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Body string `json:"body"`
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Base string `json:"base"`
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Assignee string `json:"assignee"`
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Assignees []string `json:"assignees"`
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Milestone int64 `json:"milestone"`
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Labels []int64 `json:"labels"`
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State *StateType `json:"state"`
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Deadline *time.Time `json:"due_date"`
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}
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// Validate the EditPullRequestOption struct
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func (opt EditPullRequestOption) Validate(c *Client) error {
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if len(opt.Title) != 0 && len(strings.TrimSpace(opt.Title)) == 0 {
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return fmt.Errorf("title is empty")
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}
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if len(opt.Base) != 0 {
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if err := c.checkServerVersionGreaterThanOrEqual(version1_12_0); err != nil {
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return fmt.Errorf("can not change base gitea to old")
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}
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}
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return nil
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}
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// EditPullRequest modify pull request with PR id and options
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func (c *Client) EditPullRequest(owner, repo string, index int64, opt EditPullRequestOption) (*PullRequest, *Response, error) {
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if err := escapeValidatePathSegments(&owner, &repo); err != nil {
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return nil, nil, err
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}
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if err := opt.Validate(c); err != nil {
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return nil, nil, err
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}
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body, err := json.Marshal(&opt)
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if err != nil {
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return nil, nil, err
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}
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pr := new(PullRequest)
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resp, err := c.getParsedResponse("PATCH",
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fmt.Sprintf("/repos/%s/%s/pulls/%d", owner, repo, index),
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jsonHeader, bytes.NewReader(body), pr)
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return pr, resp, err
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}
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// MergePullRequestOption options when merging a pull request
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type MergePullRequestOption struct {
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Style MergeStyle `json:"Do"`
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Title string `json:"MergeTitleField"`
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Message string `json:"MergeMessageField"`
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}
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var version1_11_5, _ = version.NewVersion("1.11.5")
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// Validate the MergePullRequestOption struct
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func (opt MergePullRequestOption) Validate(c *Client) error {
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if opt.Style == MergeStyleSquash {
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if err := c.checkServerVersionGreaterThanOrEqual(version1_11_5); err != nil {
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return err
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}
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}
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return nil
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}
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// MergePullRequest merge a PR to repository by PR id
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func (c *Client) MergePullRequest(owner, repo string, index int64, opt MergePullRequestOption) (bool, *Response, error) {
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if err := escapeValidatePathSegments(&owner, &repo); err != nil {
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return false, nil, err
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}
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if err := opt.Validate(c); err != nil {
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return false, nil, err
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}
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body, err := json.Marshal(&opt)
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if err != nil {
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return false, nil, err
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}
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status, resp, err := c.getStatusCode("POST", fmt.Sprintf("/repos/%s/%s/pulls/%d/merge", owner, repo, index), jsonHeader, bytes.NewReader(body))
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if err != nil {
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return false, resp, err
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}
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return status == 200, resp, nil
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}
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// IsPullRequestMerged test if one PR is merged to one repository
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func (c *Client) IsPullRequestMerged(owner, repo string, index int64) (bool, *Response, error) {
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if err := escapeValidatePathSegments(&owner, &repo); err != nil {
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return false, nil, err
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}
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status, resp, err := c.getStatusCode("GET", fmt.Sprintf("/repos/%s/%s/pulls/%d/merge", owner, repo, index), nil, nil)
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if err != nil {
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return false, resp, err
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}
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return status == 204, resp, nil
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}
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// getPullRequestDiffOrPatch gets the patch or diff file as bytes for a PR
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func (c *Client) getPullRequestDiffOrPatch(owner, repo, kind string, index int64) ([]byte, *Response, error) {
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if err := escapeValidatePathSegments(&owner, &repo, &kind); err != nil {
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return nil, nil, err
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}
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if err := c.checkServerVersionGreaterThanOrEqual(version1_13_0); err != nil {
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r, _, err2 := c.GetRepo(owner, repo)
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if err2 != nil {
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return nil, nil, err
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}
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if r.Private {
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return nil, nil, err
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}
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return c.getWebResponse("GET", fmt.Sprintf("/%s/%s/pulls/%d.%s", owner, repo, index, kind), nil)
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}
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return c.getResponse("GET", fmt.Sprintf("/repos/%s/%s/pulls/%d.%s", owner, repo, index, kind), nil, nil)
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}
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// GetPullRequestPatch gets the .patch file as bytes for a PR
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func (c *Client) GetPullRequestPatch(owner, repo string, index int64) ([]byte, *Response, error) {
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return c.getPullRequestDiffOrPatch(owner, repo, "patch", index)
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}
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// GetPullRequestDiff gets the .diff file as bytes for a PR
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func (c *Client) GetPullRequestDiff(owner, repo string, index int64) ([]byte, *Response, error) {
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return c.getPullRequestDiffOrPatch(owner, repo, "diff", index)
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}
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// ListPullRequestCommitsOptions options for listing pull requests
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type ListPullRequestCommitsOptions struct {
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ListOptions
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}
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// ListPullRequestCommits list commits for a pull request
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func (c *Client) ListPullRequestCommits(owner, repo string, index int64, opt ListPullRequestCommitsOptions) ([]*Commit, *Response, error) {
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if err := escapeValidatePathSegments(&owner, &repo); err != nil {
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return nil, nil, err
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}
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link, _ := url.Parse(fmt.Sprintf("/repos/%s/%s/pulls/%d/commits", owner, repo, index))
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opt.setDefaults()
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commits := make([]*Commit, 0, opt.PageSize)
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link.RawQuery = opt.getURLQuery().Encode()
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resp, err := c.getParsedResponse("GET", link.String(), nil, nil, &commits)
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return commits, resp, err
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}
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// fixPullHeadSha is a workaround for https://github.com/go-gitea/gitea/issues/12675
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// When no head sha is available, this is because the branch got deleted in the base repo.
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// pr.Head.Ref points in this case not to the head repo branch name, but the base repo ref,
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// which stays available to resolve the commit sha. This is fixed for gitea >= 1.14.0
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func fixPullHeadSha(client *Client, pr *PullRequest) error {
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if pr.Base != nil && pr.Base.Repository != nil && pr.Base.Repository.Owner != nil &&
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pr.Head != nil && pr.Head.Ref != "" && pr.Head.Sha == "" {
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owner := pr.Base.Repository.Owner.UserName
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repo := pr.Base.Repository.Name
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refs, _, err := client.GetRepoRefs(owner, repo, pr.Head.Ref)
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if err != nil {
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return err
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} else if len(refs) == 0 {
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return fmt.Errorf("unable to resolve PR ref '%s'", pr.Head.Ref)
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}
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pr.Head.Sha = refs[0].Object.SHA
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}
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return nil
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}
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