API support for pull requests

gogs.go

@@ -88,3 +88,13 @@ func (c *Client) getParsedResponse(method, path string, header http.Header, body
 	}
 	return json.Unmarshal(data, obj)
 }
+
+func (c *Client) getStatusCode(method, path string, header http.Header, body io.Reader) (int, error) {
+	resp, err := c.doRequest(method, path, header, body)
+	if err != nil {
+		return -1, err
+	}
+	defer resp.Body.Close()
+
+	return resp.StatusCode, nil
+}

pull.go

@@ -5,12 +5,14 @@
 package gogs
 
 import (
+	"bytes"
+	"encoding/json"
+	"fmt"
 	"time"
 )
 
-// PullRequest represents a pull reqesut API object.
+// PullRequest represents a pull request API object.
 type PullRequest struct {
-	// Copied from issue.go
 	ID        int64      `json:"id"`
 	Index     int64      `json:"number"`
 	Poster    *User      `json:"user"`
@@ -22,16 +24,95 @@ type PullRequest struct {
 	State     StateType  `json:"state"`
 	Comments  int        `json:"comments"`
 
-	HeadBranch string      `json:"head_branch"`
-	HeadRepo   *Repository `json:"head_repo"`
-	BaseBranch string      `json:"base_branch"`
-	BaseRepo   *Repository `json:"base_repo"`
-
 	HTMLURL string `json:"html_url"`
 
-	Mergeable      *bool      `json:"mergeable"`
+	Mergeable      bool       `json:"mergeable"`
 	HasMerged      bool       `json:"merged"`
 	Merged         *time.Time `json:"merged_at"`
 	MergedCommitID *string    `json:"merge_commit_sha"`
 	MergedBy       *User      `json:"merged_by"`
+
+	Base      *PRBranchInfo `json:"base"`
+	Head      *PRBranchInfo `json:"head"`
+	MergeBase string        `json:"merge_base"`
+}
+
+type PRBranchInfo struct {
+	Name       string      `json:"name"`
+	RepoID     int64       `json:"repo_id"`
+	Repository *Repository `json:"repo"`
+}
+
+type ListPullRequestsOptions struct {
+	Page  int    `json:"page"`
+	State string `json:"state"`
+}
+
+func (c *Client) ListRepoPullRequests(owner, repo string, opt ListPullRequestsOptions) ([]*PullRequest, error) {
+	body, err := json.Marshal(&opt)
+	if err != nil {
+		return nil, err
+	}
+	prs := make([]*PullRequest, 0, 10)
+	return prs, c.getParsedResponse("GET", fmt.Sprintf("/repos/%s/%s/pulls", owner, repo), jsonHeader, bytes.NewReader(body), &prs)
+}
+
+func (c *Client) GetPullRequest(owner, repo string, index int64) (*PullRequest, error) {
+	pr := new(PullRequest)
+	return pr, c.getParsedResponse("GET", fmt.Sprintf("/repos/%s/%s/pulls/%d", owner, repo, index), nil, nil, pr)
+}
+
+type CreatePullRequestOption struct {
+	Head      string  `json:"head" binding:"Required"`
+	Base      string  `json:"base" binding:"Required"`
+	Title     string  `json:"title" binding:"Required"`
+	Body      string  `json:"body"`
+	Assignee  string  `json:"assignee"`
+	Milestone int64   `json:"milestone"`
+	Labels    []int64 `json:"labels"`
+}
+
+func (c *Client) CreatePullRequest(owner, repo string, opt CreatePullRequestOption) (*PullRequest, error) {
+	body, err := json.Marshal(&opt)
+	if err != nil {
+		return nil, err
+	}
+	pr := new(PullRequest)
+	return pr, c.getParsedResponse("POST", fmt.Sprintf("/repos/%s/%s/pulls", owner, repo),
+		jsonHeader, bytes.NewReader(body), pr)
+}
+
+type EditPullRequestOption struct {
+	Title     string  `json:"title"`
+	Body      string  `json:"body"`
+	Assignee  string  `json:"assignee"`
+	Milestone int64   `json:"milestone"`
+	Labels    []int64 `json:"labels"`
+	State     *string `json:"state"`
+}
+
+func (c *Client) EditPullRequest(owner, repo string, index int64, opt EditPullRequestOption) (*PullRequest, error) {
+	body, err := json.Marshal(&opt)
+	if err != nil {
+		return nil, err
+	}
+	pr := new(PullRequest)
+	return pr, c.getParsedResponse("PATCH", fmt.Sprintf("/repos/%s/%s/issues/%d", owner, repo, index),
+		jsonHeader, bytes.NewReader(body), pr)
+}
+
+func (c *Client) MergePullRequest(owner, repo string, index int64) error {
+	_, err := c.getResponse("POST", fmt.Sprintf("/repos/%s/%s/pulls/%d/merge", owner, repo, index), nil, nil)
+	return err
+}
+
+func (c *Client) IsPullRequestMerged(owner, repo string, index int64) (bool, error) {
+	statusCode, err := c.getStatusCode("GET", fmt.Sprintf("/repos/%s/%s/pulls/%d/merge", owner, repo, index), nil, nil)
+
+	if err != nil {
+		return false, err
+	}
+
+	return statusCode == 204, nil
+
 }