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gitea-fork-majority-judgment/models/review.go

373 lines
9.8 KiB

// Copyright 2018 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 models
import (
"strings"
"code.gitea.io/gitea/modules/timeutil"
"xorm.io/builder"
)
// ReviewType defines the sort of feedback a review gives
type ReviewType int
// ReviewTypeUnknown unknown review type
const ReviewTypeUnknown ReviewType = -1
const (
// ReviewTypePending is a review which is not published yet
ReviewTypePending ReviewType = iota
// ReviewTypeApprove approves changes
ReviewTypeApprove
// ReviewTypeComment gives general feedback
ReviewTypeComment
// ReviewTypeReject gives feedback blocking merge
ReviewTypeReject
)
// Icon returns the corresponding icon for the review type
func (rt ReviewType) Icon() string {
switch rt {
case ReviewTypeApprove:
return "eye"
case ReviewTypeReject:
return "x"
case ReviewTypeComment, ReviewTypeUnknown:
return "comment"
default:
return "comment"
}
}
// Review represents collection of code comments giving feedback for a PR
type Review struct {
ID int64 `xorm:"pk autoincr"`
Type ReviewType
Reviewer *User `xorm:"-"`
ReviewerID int64 `xorm:"index"`
Issue *Issue `xorm:"-"`
IssueID int64 `xorm:"index"`
Content string `xorm:"TEXT"`
// Official is a review made by an assigned approver (counts towards approval)
Official bool `xorm:"NOT NULL DEFAULT false"`
CreatedUnix timeutil.TimeStamp `xorm:"INDEX created"`
UpdatedUnix timeutil.TimeStamp `xorm:"INDEX updated"`
// CodeComments are the initial code comments of the review
CodeComments CodeComments `xorm:"-"`
}
func (r *Review) loadCodeComments(e Engine) (err error) {
if r.CodeComments == nil {
r.CodeComments, err = fetchCodeCommentsByReview(e, r.Issue, nil, r)
}
return
}
// LoadCodeComments loads CodeComments
func (r *Review) LoadCodeComments() error {
return r.loadCodeComments(x)
}
func (r *Review) loadIssue(e Engine) (err error) {
r.Issue, err = getIssueByID(e, r.IssueID)
return
}
func (r *Review) loadReviewer(e Engine) (err error) {
if r.ReviewerID == 0 {
return nil
}
r.Reviewer, err = getUserByID(e, r.ReviewerID)
return
}
// LoadReviewer loads reviewer
func (r *Review) LoadReviewer() error {
return r.loadReviewer(x)
}
func (r *Review) loadAttributes(e Engine) (err error) {
if err = r.loadReviewer(e); err != nil {
return
}
if err = r.loadIssue(e); err != nil {
return
}
return
}
// LoadAttributes loads all attributes except CodeComments
func (r *Review) LoadAttributes() error {
return r.loadAttributes(x)
}
func getReviewByID(e Engine, id int64) (*Review, error) {
review := new(Review)
if has, err := e.ID(id).Get(review); err != nil {
return nil, err
} else if !has {
return nil, ErrReviewNotExist{ID: id}
} else {
return review, nil
}
}
// GetReviewByID returns the review by the given ID
func GetReviewByID(id int64) (*Review, error) {
return getReviewByID(x, id)
}
// FindReviewOptions represent possible filters to find reviews
type FindReviewOptions struct {
Type ReviewType
IssueID int64
ReviewerID int64
}
func (opts *FindReviewOptions) toCond() builder.Cond {
var cond = builder.NewCond()
if opts.IssueID > 0 {
cond = cond.And(builder.Eq{"issue_id": opts.IssueID})
}
if opts.ReviewerID > 0 {
cond = cond.And(builder.Eq{"reviewer_id": opts.ReviewerID})
}
if opts.Type != ReviewTypeUnknown {
cond = cond.And(builder.Eq{"type": opts.Type})
}
return cond
}
func findReviews(e Engine, opts FindReviewOptions) ([]*Review, error) {
reviews := make([]*Review, 0, 10)
sess := e.Where(opts.toCond())
return reviews, sess.
Asc("created_unix").
Asc("id").
Find(&reviews)
}
// FindReviews returns reviews passing FindReviewOptions
func FindReviews(opts FindReviewOptions) ([]*Review, error) {
return findReviews(x, opts)
}
// CreateReviewOptions represent the options to create a review. Type, Issue and Reviewer are required.
type CreateReviewOptions struct {
Content string
Type ReviewType
Issue *Issue
Reviewer *User
Official bool
}
// IsOfficialReviewer check if reviewer can make official reviews in issue (counts towards required approvals)
func IsOfficialReviewer(issue *Issue, reviewer *User) (bool, error) {
return isOfficialReviewer(x, issue, reviewer)
}
func isOfficialReviewer(e Engine, issue *Issue, reviewer *User) (bool, error) {
pr, err := getPullRequestByIssueID(e, issue.ID)
if err != nil {
return false, err
}
if err = pr.loadProtectedBranch(e); err != nil {
return false, err
}
if pr.ProtectedBranch == nil {
return false, nil
}
return pr.ProtectedBranch.isUserOfficialReviewer(e, reviewer)
}
func createReview(e Engine, opts CreateReviewOptions) (*Review, error) {
review := &Review{
Type: opts.Type,
Issue: opts.Issue,
IssueID: opts.Issue.ID,
Reviewer: opts.Reviewer,
ReviewerID: opts.Reviewer.ID,
Content: opts.Content,
Official: opts.Official,
}
if _, err := e.Insert(review); err != nil {
return nil, err
}
return review, nil
}
// CreateReview creates a new review based on opts
func CreateReview(opts CreateReviewOptions) (*Review, error) {
return createReview(x, opts)
}
func getCurrentReview(e Engine, reviewer *User, issue *Issue) (*Review, error) {
if reviewer == nil {
return nil, nil
}
reviews, err := findReviews(e, FindReviewOptions{
Type: ReviewTypePending,
IssueID: issue.ID,
ReviewerID: reviewer.ID,
})
if err != nil {
return nil, err
}
if len(reviews) == 0 {
return nil, ErrReviewNotExist{}
}
reviews[0].Reviewer = reviewer
reviews[0].Issue = issue
return reviews[0], nil
}
// ReviewExists returns whether a review exists for a particular line of code in the PR
func ReviewExists(issue *Issue, treePath string, line int64) (bool, error) {
return x.Cols("id").Exist(&Comment{IssueID: issue.ID, TreePath: treePath, Line: line, Type: CommentTypeCode})
}
// GetCurrentReview returns the current pending review of reviewer for given issue
func GetCurrentReview(reviewer *User, issue *Issue) (*Review, error) {
return getCurrentReview(x, reviewer, issue)
}
// ContentEmptyErr represents an content empty error
type ContentEmptyErr struct {
}
func (ContentEmptyErr) Error() string {
return "Review content is empty"
}
// IsContentEmptyErr returns true if err is a ContentEmptyErr
func IsContentEmptyErr(err error) bool {
_, ok := err.(ContentEmptyErr)
return ok
}
// SubmitReview creates a review out of the existing pending review or creates a new one if no pending review exist
func SubmitReview(doer *User, issue *Issue, reviewType ReviewType, content string) (*Review, *Comment, error) {
sess := x.NewSession()
defer sess.Close()
if err := sess.Begin(); err != nil {
return nil, nil, err
}
var official = false
review, err := getCurrentReview(sess, doer, issue)
if err != nil {
if !IsErrReviewNotExist(err) {
return nil, nil, err
}
if reviewType != ReviewTypeApprove && len(strings.TrimSpace(content)) == 0 {
return nil, nil, ContentEmptyErr{}
}
if reviewType == ReviewTypeApprove || reviewType == ReviewTypeReject {
// Only reviewers latest review of type approve and reject shall count as "official", so existing reviews needs to be cleared
if _, err := sess.Exec("UPDATE `review` SET official=? WHERE issue_id=? AND reviewer_id=?", false, issue.ID, doer.ID); err != nil {
return nil, nil, err
}
official, err = isOfficialReviewer(sess, issue, doer)
if err != nil {
return nil, nil, err
}
}
// No current review. Create a new one!
review, err = createReview(sess, CreateReviewOptions{
Type: reviewType,
Issue: issue,
Reviewer: doer,
Content: content,
Official: official,
})
if err != nil {
return nil, nil, err
}
} else {
if err := review.loadCodeComments(sess); err != nil {
return nil, nil, err
}
if reviewType != ReviewTypeApprove && len(review.CodeComments) == 0 && len(strings.TrimSpace(content)) == 0 {
return nil, nil, ContentEmptyErr{}
}
if reviewType == ReviewTypeApprove || reviewType == ReviewTypeReject {
// Only reviewers latest review of type approve and reject shall count as "official", so existing reviews needs to be cleared
if _, err := sess.Exec("UPDATE `review` SET official=? WHERE issue_id=? AND reviewer_id=?", false, issue.ID, doer.ID); err != nil {
return nil, nil, err
}
official, err = isOfficialReviewer(sess, issue, doer)
if err != nil {
return nil, nil, err
}
}
review.Official = official
review.Issue = issue
review.Content = content
review.Type = reviewType
if _, err := sess.ID(review.ID).Cols("content, type, official").Update(review); err != nil {
return nil, nil, err
}
}
comm, err := createComment(sess, &CreateCommentOptions{
Type: CommentTypeReview,
Doer: doer,
Content: review.Content,
Issue: issue,
Repo: issue.Repo,
ReviewID: review.ID,
})
if err != nil || comm == nil {
return nil, nil, err
}
comm.Review = review
return review, comm, sess.Commit()
}
// GetReviewersByIssueID gets the latest review of each reviewer for a pull request
func GetReviewersByIssueID(issueID int64) (reviews []*Review, err error) {
reviewsUnfiltered := []*Review{}
sess := x.NewSession()
defer sess.Close()
if err := sess.Begin(); err != nil {
return nil, err
}
// Get latest review of each reviwer, sorted in order they were made
if err := sess.SQL("SELECT * FROM review WHERE id IN (SELECT max(id) as id FROM review WHERE issue_id = ? AND type in (?, ?) GROUP BY issue_id, reviewer_id) ORDER BY review.updated_unix ASC",
issueID, ReviewTypeApprove, ReviewTypeReject).
Find(&reviewsUnfiltered); err != nil {
return nil, err
}
// Load reviewer and skip if user is deleted
for _, review := range reviewsUnfiltered {
if err := review.loadReviewer(sess); err != nil {
if !IsErrUserNotExist(err) {
return nil, err
}
} else {
reviews = append(reviews, review)
}
}
return reviews, nil
}