tea/modules/task/pull_review.go

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// Copyright 2020 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 task
import (
"fmt"
"io/ioutil"
"os"
"os/exec"
"strings"
"code.gitea.io/tea/modules/context"
"code.gitea.io/sdk/gitea"
unidiff "gitea.com/noerw/unidiff-comments"
)
var diffReviewHelp = `# This is the current diff of PR #%d on %s.
# To add code comments, just insert a line inside the diff with your comment,
# prefixed with '# '. For example:
#
# - foo: string,
# - bar: string,
# + foo: int,
# # This is a code comment
# + bar: int,
`
// CreatePullReview submits a review for a PR
func CreatePullReview(ctx *context.TeaContext, idx int64, status gitea.ReviewStateType, comment string, codeComments []gitea.CreatePullReviewComment) error {
c := ctx.Login.Client()
review, _, err := c.CreatePullReview(ctx.Owner, ctx.Repo, idx, gitea.CreatePullReviewOptions{
State: status,
Body: comment,
Comments: codeComments,
})
if err != nil {
return err
}
fmt.Println(review.HTMLURL)
return nil
}
// SavePullDiff fetches the diff of a pull request and stores it as a temporary file.
// The path to the file is returned.
func SavePullDiff(ctx *context.TeaContext, idx int64) (string, error) {
diff, _, err := ctx.Login.Client().GetPullRequestDiff(ctx.Owner, ctx.Repo, idx)
if err != nil {
return "", err
}
writer, err := ioutil.TempFile(os.TempDir(), fmt.Sprintf("pull-%d-review-*.diff", idx))
if err != nil {
return "", err
}
defer writer.Close()
// add a help header before the actual diff
if _, err = fmt.Fprintf(writer, diffReviewHelp, idx, ctx.RepoSlug); err != nil {
return "", err
}
if _, err = writer.Write(diff); err != nil {
return "", err
}
return writer.Name(), nil
}
// ParseDiffComments reads a diff, extracts comments from it & returns them in a gitea compatible struct
func ParseDiffComments(diffFile string) ([]gitea.CreatePullReviewComment, error) {
reader, err := os.Open(diffFile)
if err != nil {
return nil, fmt.Errorf("couldn't load diff: %s", err)
}
defer reader.Close()
changeset, err := unidiff.ReadChangeset(reader)
if err != nil {
return nil, fmt.Errorf("couldn't parse patch: %s", err)
}
var comments []gitea.CreatePullReviewComment
for _, file := range changeset.Diffs {
for _, c := range file.LineComments {
comment := gitea.CreatePullReviewComment{
Body: c.Text,
Path: c.Anchor.Path,
}
comment.Path = strings.TrimPrefix(comment.Path, "a/")
comment.Path = strings.TrimPrefix(comment.Path, "b/")
switch c.Anchor.LineType {
case "ADDED":
comment.NewLineNum = c.Anchor.Line
case "REMOVED", "CONTEXT":
comment.OldLineNum = c.Anchor.Line
}
comments = append(comments, comment)
}
}
return comments, nil
}
// OpenFileInEditor opens filename in a text editor, and blocks until the editor terminates.
func OpenFileInEditor(filename string) error {
editor := os.Getenv("EDITOR")
if editor == "" {
fmt.Println("No $EDITOR env is set, defaulting to vim")
editor = "vim"
}
// Get the full executable path for the editor.
executable, err := exec.LookPath(editor)
if err != nil {
return err
}
cmd := exec.Command(executable, filename)
cmd.Stdin = os.Stdin
cmd.Stdout = os.Stdout
cmd.Stderr = os.Stderr
return cmd.Run()
}