API: Add pull review endpoints (go-gitea#11224)

* API: Added pull review read only endpoints

* Update Structs, move Conversion, Refactor

* refactor

* lint & co

* fix lint + refactor

* add new Review state, rm unessesary, refacotr loadAttributes, convert patch to diff

* add DeletePullReview

* add paggination

* draft1: Create & submit review

* fix lint

* fix lint

* impruve test

* DONT use GhostUser for loadReviewer

* expose comments_count of a PullReview

* infent GetCodeCommentsCount()

* fixes

* fix+impruve

* some nits

* Handle Ghosts 👻

* add TEST for GET apis

* complete TESTS

* add HTMLURL to PullReview responce

* code format as per @lafriks

* update swagger definition

* Update routers/api/v1/repo/pull_review.go

Co-authored-by: David Svantesson <davidsvantesson@gmail.com>

* add comments

Co-authored-by: Thomas Berger <loki@lokis-chaos.de>
Co-authored-by: David Svantesson <davidsvantesson@gmail.com>

Author: 3 people

integrations/api_pull_review_test.go

@@ -0,0 +1,120 @@
+// 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 integrations
+
+import (
+	"fmt"
+	"net/http"
+	"testing"
+
+	"code.gitea.io/gitea/models"
+	api "code.gitea.io/gitea/modules/structs"
+	"github.com/stretchr/testify/assert"
+)
+
+func TestAPIPullReview(t *testing.T) {
+	defer prepareTestEnv(t)()
+	pullIssue := models.AssertExistsAndLoadBean(t, &models.Issue{ID: 3}).(*models.Issue)
+	assert.NoError(t, pullIssue.LoadAttributes())
+	repo := models.AssertExistsAndLoadBean(t, &models.Repository{ID: pullIssue.RepoID}).(*models.Repository)
+
+	// test ListPullReviews
+	session := loginUser(t, "user2")
+	token := getTokenForLoggedInUser(t, session)
+	req := NewRequestf(t, http.MethodGet, "/api/v1/repos/%s/%s/pulls/%d/reviews?token=%s", repo.OwnerName, repo.Name, pullIssue.Index, token)
+	resp := session.MakeRequest(t, req, http.StatusOK)
+
+	var reviews []*api.PullReview
+	DecodeJSON(t, resp, &reviews)
+	if !assert.Len(t, reviews, 6) {
+		return
+	}
+	for _, r := range reviews {
+		assert.EqualValues(t, pullIssue.HTMLURL(), r.HTMLPullURL)
+	}
+	assert.EqualValues(t, 8, reviews[3].ID)
+	assert.EqualValues(t, "APPROVED", reviews[3].State)
+	assert.EqualValues(t, 0, reviews[3].CodeCommentsCount)
+	assert.EqualValues(t, true, reviews[3].Stale)
+	assert.EqualValues(t, false, reviews[3].Official)
+
+	assert.EqualValues(t, 10, reviews[5].ID)
+	assert.EqualValues(t, "REQUEST_CHANGES", reviews[5].State)
+	assert.EqualValues(t, 1, reviews[5].CodeCommentsCount)
+	assert.EqualValues(t, 0, reviews[5].Reviewer.ID) // ghost user
+	assert.EqualValues(t, false, reviews[5].Stale)
+	assert.EqualValues(t, true, reviews[5].Official)
+
+	// test GetPullReview
+	req = NewRequestf(t, http.MethodGet, "/api/v1/repos/%s/%s/pulls/%d/reviews/%d?token=%s", repo.OwnerName, repo.Name, pullIssue.Index, reviews[3].ID, token)
+	resp = session.MakeRequest(t, req, http.StatusOK)
+	var review api.PullReview
+	DecodeJSON(t, resp, &review)
+	assert.EqualValues(t, *reviews[3], review)
+
+	req = NewRequestf(t, "GET", "/api/v1/repos/%s/%s/pulls/%d/reviews/%d?token=%s", repo.OwnerName, repo.Name, pullIssue.Index, reviews[5].ID, token)
+	resp = session.MakeRequest(t, req, http.StatusOK)
+	DecodeJSON(t, resp, &review)
+	assert.EqualValues(t, *reviews[5], review)
+
+	// test GetPullReviewComments
+	comment := models.AssertExistsAndLoadBean(t, &models.Comment{ID: 7}).(*models.Comment)
+	req = NewRequestf(t, http.MethodGet, "/api/v1/repos/%s/%s/pulls/%d/reviews/%d/comments?token=%s", repo.OwnerName, repo.Name, pullIssue.Index, 10, token)
+	resp = session.MakeRequest(t, req, http.StatusOK)
+	var reviewComments []*api.PullReviewComment
+	DecodeJSON(t, resp, &reviewComments)
+	assert.Len(t, reviewComments, 1)
+	assert.EqualValues(t, "Ghost", reviewComments[0].Reviewer.UserName)
+	assert.EqualValues(t, "a review from a deleted user", reviewComments[0].Body)
+	assert.EqualValues(t, comment.ID, reviewComments[0].ID)
+	assert.EqualValues(t, comment.UpdatedUnix, reviewComments[0].Updated.Unix())
+	assert.EqualValues(t, comment.HTMLURL(), reviewComments[0].HTMLURL)
+
+	// test CreatePullReview
+	req = NewRequestWithJSON(t, http.MethodPost, fmt.Sprintf("/api/v1/repos/%s/%s/pulls/%d/reviews?token=%s", repo.OwnerName, repo.Name, pullIssue.Index, token), &api.CreatePullReviewOptions{
+		Body: "body1",
+		// Event: "" # will result in PENDING
+		Comments: []api.CreatePullReviewComment{{
+			Path:       "README.md",
+			Body:       "first new line",
+			OldLineNum: 0,
+			NewLineNum: 1,
+		}, {
+			Path:       "README.md",
+			Body:       "first old line",
+			OldLineNum: 1,
+			NewLineNum: 0,
+		},
+		},
+	})
+	resp = session.MakeRequest(t, req, http.StatusOK)
+	DecodeJSON(t, resp, &review)
+	assert.EqualValues(t, 6, review.ID)
+	assert.EqualValues(t, "PENDING", review.State)
+	assert.EqualValues(t, 2, review.CodeCommentsCount)
+
+	// test SubmitPullReview
+	req = NewRequestWithJSON(t, http.MethodPost, fmt.Sprintf("/api/v1/repos/%s/%s/pulls/%d/reviews/%d?token=%s", repo.OwnerName, repo.Name, pullIssue.Index, review.ID, token), &api.SubmitPullReviewOptions{
+		Event: "APPROVED",
+		Body:  "just two nits",
+	})
+	resp = session.MakeRequest(t, req, http.StatusOK)
+	DecodeJSON(t, resp, &review)
+	assert.EqualValues(t, 6, review.ID)
+	assert.EqualValues(t, "APPROVED", review.State)
+	assert.EqualValues(t, 2, review.CodeCommentsCount)
+
+	// test DeletePullReview
+	req = NewRequestWithJSON(t, http.MethodPost, fmt.Sprintf("/api/v1/repos/%s/%s/pulls/%d/reviews?token=%s", repo.OwnerName, repo.Name, pullIssue.Index, token), &api.CreatePullReviewOptions{
+		Body:  "just a comment",
+		Event: "COMMENT",
+	})
+	resp = session.MakeRequest(t, req, http.StatusOK)
+	DecodeJSON(t, resp, &review)
+	assert.EqualValues(t, "COMMENT", review.State)
+	assert.EqualValues(t, 0, review.CodeCommentsCount)
+	req = NewRequestf(t, http.MethodDelete, "/api/v1/repos/%s/%s/pulls/%d/reviews/%d?token=%s", repo.OwnerName, repo.Name, pullIssue.Index, review.ID, token)
+	resp = session.MakeRequest(t, req, http.StatusNoContent)
+}

models/fixtures/pull_request.yml

@@ -8,7 +8,7 @@
   base_repo_id: 1
   head_branch: branch1
   base_branch: master
-  merge_base: 1234567890abcdef
+  merge_base: 4a357436d925b5c974181ff12a994538ddc5a269
   has_merged: true
   merger_id: 2
 
@@ -22,7 +22,7 @@
   base_repo_id: 1
   head_branch: branch2
   base_branch: master
-  merge_base: fedcba9876543210
+  merge_base: 4a357436d925b5c974181ff12a994538ddc5a269
   has_merged: false
 
 -

models/fixtures/review.yml

@@ -60,6 +60,8 @@
   reviewer_id: 4
   issue_id: 3
   content: "New review 5"
+  commit_id: 8091a55037cd59e47293aca02981b5a67076b364
+  stale: true
   updated_unix: 946684813
   created_unix: 946684813
 -
@@ -77,5 +79,6 @@
   reviewer_id: 100
   issue_id: 3
   content: "a deleted user's review"
+  official: true
   updated_unix: 946684815
-  created_unix: 946684815
+  created_unix: 946684815

models/review.go

@@ -74,9 +74,13 @@ type Review struct {
 }
 
 func (r *Review) loadCodeComments(e Engine) (err error) {
-	if r.CodeComments == nil {
-		r.CodeComments, err = fetchCodeCommentsByReview(e, r.Issue, nil, r)
+	if r.CodeComments != nil {
+		return
+	}
+	if err = r.loadIssue(e); err != nil {
+		return
 	}
+	r.CodeComments, err = fetchCodeCommentsByReview(e, r.Issue, nil, r)
 	return
 }
 
@@ -86,12 +90,15 @@ func (r *Review) LoadCodeComments() error {
 }
 
 func (r *Review) loadIssue(e Engine) (err error) {
+	if r.Issue != nil {
+		return
+	}
 	r.Issue, err = getIssueByID(e, r.IssueID)
 	return
 }
 
 func (r *Review) loadReviewer(e Engine) (err error) {
-	if r.ReviewerID == 0 {
+	if r.Reviewer != nil || r.ReviewerID == 0 {
 		return nil
 	}
 	r.Reviewer, err = getUserByID(e, r.ReviewerID)
@@ -104,10 +111,13 @@ func (r *Review) LoadReviewer() error {
 }
 
 func (r *Review) loadAttributes(e Engine) (err error) {
-	if err = r.loadReviewer(e); err != nil {
+	if err = r.loadIssue(e); err != nil {
 		return
 	}
-	if err = r.loadIssue(e); err != nil {
+	if err = r.loadCodeComments(e); err != nil {
+		return
+	}
+	if err = r.loadReviewer(e); err != nil {
 		return
 	}
 	return
@@ -136,6 +146,7 @@ func GetReviewByID(id int64) (*Review, error) {
 
 // FindReviewOptions represent possible filters to find reviews
 type FindReviewOptions struct {
+	ListOptions
 	Type         ReviewType
 	IssueID      int64
 	ReviewerID   int64
@@ -162,6 +173,9 @@ func (opts *FindReviewOptions) toCond() builder.Cond {
 func findReviews(e Engine, opts FindReviewOptions) ([]*Review, error) {
 	reviews := make([]*Review, 0, 10)
 	sess := e.Where(opts.toCond())
+	if opts.Page > 0 {
+		sess = opts.ListOptions.setSessionPagination(sess)
+	}
 	return reviews, sess.
 		Asc("created_unix").
 		Asc("id").
@@ -656,3 +670,77 @@ func CanMarkConversation(issue *Issue, doer *User) (permResult bool, err error)
 
 	return true, nil
 }
+
+// DeleteReview delete a review and it's code comments
+func DeleteReview(r *Review) error {
+	sess := x.NewSession()
+	defer sess.Close()
+
+	if err := sess.Begin(); err != nil {
+		return err
+	}
+
+	if r.ID == 0 {
+		return fmt.Errorf("review is not allowed to be 0")
+	}
+
+	opts := FindCommentsOptions{
+		Type:     CommentTypeCode,
+		IssueID:  r.IssueID,
+		ReviewID: r.ID,
+	}
+
+	if _, err := sess.Where(opts.toConds()).Delete(new(Comment)); err != nil {
+		return err
+	}
+
+	opts = FindCommentsOptions{
+		Type:     CommentTypeReview,
+		IssueID:  r.IssueID,
+		ReviewID: r.ID,
+	}
+
+	if _, err := sess.Where(opts.toConds()).Delete(new(Comment)); err != nil {
+		return err
+	}
+
+	if _, err := sess.ID(r.ID).Delete(new(Review)); err != nil {
+		return err
+	}
+
+	return sess.Commit()
+}
+
+// GetCodeCommentsCount return count of CodeComments a Review has
+func (r *Review) GetCodeCommentsCount() int {
+	opts := FindCommentsOptions{
+		Type:     CommentTypeCode,
+		IssueID:  r.IssueID,
+		ReviewID: r.ID,
+	}
+	conds := opts.toConds()
+	if r.ID == 0 {
+		conds = conds.And(builder.Eq{"invalidated": false})
+	}
+
+	count, err := x.Where(conds).Count(new(Comment))
+	if err != nil {
+		return 0
+	}
+	return int(count)
+}
+
+// HTMLURL formats a URL-string to the related review issue-comment
+func (r *Review) HTMLURL() string {
+	opts := FindCommentsOptions{
+		Type:     CommentTypeReview,
+		IssueID:  r.IssueID,
+		ReviewID: r.ID,
+	}
+	comment := new(Comment)
+	has, err := x.Where(opts.toConds()).Get(comment)
+	if err != nil || !has {
+		return ""
+	}
+	return comment.HTMLURL()
+}

models/review_test.go

@@ -131,9 +131,11 @@ func TestGetReviewersByIssueID(t *testing.T) {
 
 	allReviews, err := GetReviewersByIssueID(issue.ID)
 	assert.NoError(t, err)
-	for i, review := range allReviews {
-		assert.Equal(t, expectedReviews[i].Reviewer, review.Reviewer)
-		assert.Equal(t, expectedReviews[i].Type, review.Type)
-		assert.Equal(t, expectedReviews[i].UpdatedUnix, review.UpdatedUnix)
+	if assert.Len(t, allReviews, 3) {
+		for i, review := range allReviews {
+			assert.Equal(t, expectedReviews[i].Reviewer, review.Reviewer)
+			assert.Equal(t, expectedReviews[i].Type, review.Type)
+			assert.Equal(t, expectedReviews[i].UpdatedUnix, review.UpdatedUnix)
+		}
 	}
 }