API: Add pull review endpoints (#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 :ghost:

* 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>

12 files changed, 1580 insertions, 26 deletions

diff --git a/integrations/api_pull_review_test.go b/integrations/api_pull_review_test.go
new file mode 100644
index 0000000000..c90a5c11cd
--- /dev/null
+++ b/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)
+}
diff --git a/models/fixtures/pull_request.yml b/models/fixtures/pull_request.yml
index da9566bc48..b555da83ef 100644
--- a/models/fixtures/pull_request.yml
+++ b/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
 
 -
diff --git a/models/fixtures/review.yml b/models/fixtures/review.yml
index 87621012ff..35d3dee2e6 100644
--- a/models/fixtures/review.yml
+++ b/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
\ No newline at end of file
+  created_unix: 946684815
diff --git a/models/review.go b/models/review.go
index c6203e7097..522fe5886c 100644
--- a/models/review.go
+++ b/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()
+}
diff --git a/models/review_test.go b/models/review_test.go
index 45ddb3181d..fb3a5488e5 100644
--- a/models/review_test.go
+++ b/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)
+		}
 	}
 }
diff --git a/modules/convert/pull_review.go b/modules/convert/pull_review.go
new file mode 100644
index 0000000000..619f9f070e
--- /dev/null
+++ b/modules/convert/pull_review.go
@@ -0,0 +1,127 @@
+// 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 convert
+
+import (
+	"strings"
+
+	"code.gitea.io/gitea/models"
+	api "code.gitea.io/gitea/modules/structs"
+)
+
+// ToPullReview convert a review to api format
+func ToPullReview(r *models.Review, doer *models.User) (*api.PullReview, error) {
+	if err := r.LoadAttributes(); err != nil {
+		if !models.IsErrUserNotExist(err) {
+			return nil, err
+		}
+		r.Reviewer = models.NewGhostUser()
+	}
+
+	auth := false
+	if doer != nil {
+		auth = doer.IsAdmin || doer.ID == r.ReviewerID
+	}
+
+	result := &api.PullReview{
+		ID:                r.ID,
+		Reviewer:          ToUser(r.Reviewer, doer != nil, auth),
+		State:             api.ReviewStateUnknown,
+		Body:              r.Content,
+		CommitID:          r.CommitID,
+		Stale:             r.Stale,
+		Official:          r.Official,
+		CodeCommentsCount: r.GetCodeCommentsCount(),
+		Submitted:         r.CreatedUnix.AsTime(),
+		HTMLURL:           r.HTMLURL(),
+		HTMLPullURL:       r.Issue.HTMLURL(),
+	}
+
+	switch r.Type {
+	case models.ReviewTypeApprove:
+		result.State = api.ReviewStateApproved
+	case models.ReviewTypeReject:
+		result.State = api.ReviewStateRequestChanges
+	case models.ReviewTypeComment:
+		result.State = api.ReviewStateComment
+	case models.ReviewTypePending:
+		result.State = api.ReviewStatePending
+	case models.ReviewTypeRequest:
+		result.State = api.ReviewStateRequestReview
+	}
+
+	return result, nil
+}
+
+// ToPullReviewList convert a list of review to it's api format
+func ToPullReviewList(rl []*models.Review, doer *models.User) ([]*api.PullReview, error) {
+	result := make([]*api.PullReview, 0, len(rl))
+	for i := range rl {
+		// show pending reviews only for the user who created them
+		if rl[i].Type == models.ReviewTypePending && !(doer.IsAdmin || doer.ID == rl[i].ReviewerID) {
+			continue
+		}
+		r, err := ToPullReview(rl[i], doer)
+		if err != nil {
+			return nil, err
+		}
+		result = append(result, r)
+	}
+	return result, nil
+}
+
+// ToPullReviewCommentList convert the CodeComments of an review to it's api format
+func ToPullReviewCommentList(review *models.Review, doer *models.User) ([]*api.PullReviewComment, error) {
+	if err := review.LoadAttributes(); err != nil {
+		if !models.IsErrUserNotExist(err) {
+			return nil, err
+		}
+		review.Reviewer = models.NewGhostUser()
+	}
+
+	apiComments := make([]*api.PullReviewComment, 0, len(review.CodeComments))
+
+	auth := false
+	if doer != nil {
+		auth = doer.IsAdmin || doer.ID == review.ReviewerID
+	}
+
+	for _, lines := range review.CodeComments {
+		for _, comments := range lines {
+			for _, comment := range comments {
+				apiComment := &api.PullReviewComment{
+					ID:           comment.ID,
+					Body:         comment.Content,
+					Reviewer:     ToUser(review.Reviewer, doer != nil, auth),
+					ReviewID:     review.ID,
+					Created:      comment.CreatedUnix.AsTime(),
+					Updated:      comment.UpdatedUnix.AsTime(),
+					Path:         comment.TreePath,
+					CommitID:     comment.CommitSHA,
+					OrigCommitID: comment.OldRef,
+					DiffHunk:     patch2diff(comment.Patch),
+					HTMLURL:      comment.HTMLURL(),
+					HTMLPullURL:  review.Issue.APIURL(),
+				}
+
+				if comment.Line < 0 {
+					apiComment.OldLineNum = comment.UnsignedLine()
+				} else {
+					apiComment.LineNum = comment.UnsignedLine()
+				}
+				apiComments = append(apiComments, apiComment)
+			}
+		}
+	}
+	return apiComments, nil
+}
+
+func patch2diff(patch string) string {
+	split := strings.Split(patch, "\n@@")
+	if len(split) == 2 {
+		return "@@" + split[1]
+	}
+	return ""
+}
diff --git a/modules/structs/pull_review.go b/modules/structs/pull_review.go
new file mode 100644
index 0000000000..bf9eafc243
--- /dev/null
+++ b/modules/structs/pull_review.go
@@ -0,0 +1,92 @@
+// 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 structs
+
+import (
+	"time"
+)
+
+// ReviewStateType review state type
+type ReviewStateType string
+
+const (
+	// ReviewStateApproved pr is approved
+	ReviewStateApproved ReviewStateType = "APPROVED"
+	// ReviewStatePending pr state is pending
+	ReviewStatePending ReviewStateType = "PENDING"
+	// ReviewStateComment is a comment review
+	ReviewStateComment ReviewStateType = "COMMENT"
+	// ReviewStateRequestChanges changes for pr are requested
+	ReviewStateRequestChanges ReviewStateType = "REQUEST_CHANGES"
+	// ReviewStateRequestReview review is requested from user
+	ReviewStateRequestReview ReviewStateType = "REQUEST_REVIEW"
+	// ReviewStateUnknown state of pr is unknown
+	ReviewStateUnknown ReviewStateType = ""
+)
+
+// PullReview represents a pull request review
+type PullReview struct {
+	ID                int64           `json:"id"`
+	Reviewer          *User           `json:"user"`
+	State             ReviewStateType `json:"state"`
+	Body              string          `json:"body"`
+	CommitID          string          `json:"commit_id"`
+	Stale             bool            `json:"stale"`
+	Official          bool            `json:"official"`
+	CodeCommentsCount int             `json:"comments_count"`
+	// swagger:strfmt date-time
+	Submitted time.Time `json:"submitted_at"`
+
+	HTMLURL     string `json:"html_url"`
+	HTMLPullURL string `json:"pull_request_url"`
+}
+
+// PullReviewComment represents a comment on a pull request review
+type PullReviewComment struct {
+	ID       int64  `json:"id"`
+	Body     string `json:"body"`
+	Reviewer *User  `json:"user"`
+	ReviewID int64  `json:"pull_request_review_id"`
+
+	// swagger:strfmt date-time
+	Created time.Time `json:"created_at"`
+	// swagger:strfmt date-time
+	Updated time.Time `json:"updated_at"`
+
+	Path         string `json:"path"`
+	CommitID     string `json:"commit_id"`
+	OrigCommitID string `json:"original_commit_id"`
+	DiffHunk     string `json:"diff_hunk"`
+	LineNum      uint64 `json:"position"`
+	OldLineNum   uint64 `json:"original_position"`
+
+	HTMLURL     string `json:"html_url"`
+	HTMLPullURL string `json:"pull_request_url"`
+}
+
+// CreatePullReviewOptions are options to create a pull review
+type CreatePullReviewOptions struct {
+	Event    ReviewStateType           `json:"event"`
+	Body     string                    `json:"body"`
+	CommitID string                    `json:"commit_id"`
+	Comments []CreatePullReviewComment `json:"comments"`
+}
+
+// CreatePullReviewComment represent a review comment for creation api
+type CreatePullReviewComment struct {
+	// the tree path
+	Path string `json:"path"`
+	Body string `json:"body"`
+	// if comment to old file line or 0
+	OldLineNum int64 `json:"old_position"`
+	// if comment to new file line or 0
+	NewLineNum int64 `json:"new_position"`
+}
+
+// SubmitPullReviewOptions are options to submit a pending pull review
+type SubmitPullReviewOptions struct {
+	Event ReviewStateType `json:"event"`
+	Body  string          `json:"body"`
+}
diff --git a/routers/api/v1/api.go b/routers/api/v1/api.go
index cd451c1d5b..754e146fc1 100644
--- a/routers/api/v1/api.go
+++ b/routers/api/v1/api.go
@@ -500,7 +500,7 @@ func RegisterRoutes(m *macaron.Macaron) {
 	bind := binding.Bind
 
 	if setting.API.EnableSwagger {
-		m.Get("/swagger", misc.Swagger) //Render V1 by default
+		m.Get("/swagger", misc.Swagger) // Render V1 by default
 	}
 
 	m.Group("/v1", func() {
@@ -794,6 +794,20 @@ func RegisterRoutes(m *macaron.Macaron) {
 							Patch(reqToken(), reqRepoWriter(models.UnitTypePullRequests), bind(api.EditPullRequestOption{}), repo.EditPullRequest)
 						m.Combo("/merge").Get(repo.IsPullRequestMerged).
 							Post(reqToken(), mustNotBeArchived, bind(auth.MergePullRequestForm{}), repo.MergePullRequest)
+						m.Group("/reviews", func() {
+							m.Combo("").
+								Get(repo.ListPullReviews).
+								Post(reqToken(), bind(api.CreatePullReviewOptions{}), repo.CreatePullReview)
+							m.Group("/:id", func() {
+								m.Combo("").
+									Get(repo.GetPullReview).
+									Delete(reqToken(), repo.DeletePullReview).
+									Post(reqToken(), bind(api.SubmitPullReviewOptions{}), repo.SubmitPullReview)
+								m.Combo("/comments").
+									Get(repo.GetPullReviewComments)
+							})
+						})
+
 					})
 				}, mustAllowPulls, reqRepoReader(models.UnitTypeCode), context.ReferencesGitRepo(false))
 				m.Group("/statuses", func() {
diff --git a/routers/api/v1/repo/pull_review.go b/routers/api/v1/repo/pull_review.go
new file mode 100644
index 0000000000..b3772b00a9
--- /dev/null
+++ b/routers/api/v1/repo/pull_review.go
@@ -0,0 +1,522 @@
+// 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 repo
+
+import (
+	"fmt"
+	"net/http"
+	"strings"
+
+	"code.gitea.io/gitea/models"
+	"code.gitea.io/gitea/modules/context"
+	"code.gitea.io/gitea/modules/convert"
+	api "code.gitea.io/gitea/modules/structs"
+	"code.gitea.io/gitea/routers/api/v1/utils"
+	pull_service "code.gitea.io/gitea/services/pull"
+)
+
+// ListPullReviews lists all reviews of a pull request
+func ListPullReviews(ctx *context.APIContext) {
+	// swagger:operation GET /repos/{owner}/{repo}/pulls/{index}/reviews repository repoListPullReviews
+	// ---
+	// summary: List all reviews for a pull request
+	// produces:
+	// - application/json
+	// parameters:
+	// - name: owner
+	//   in: path
+	//   description: owner of the repo
+	//   type: string
+	//   required: true
+	// - name: repo
+	//   in: path
+	//   description: name of the repo
+	//   type: string
+	//   required: true
+	// - name: index
+	//   in: path
+	//   description: index of the pull request
+	//   type: integer
+	//   format: int64
+	//   required: true
+	// - name: page
+	//   in: query
+	//   description: page number of results to return (1-based)
+	//   type: integer
+	// - name: limit
+	//   in: query
+	//   description: page size of results, maximum page size is 50
+	//   type: integer
+	// responses:
+	//   "200":
+	//     "$ref": "#/responses/PullReviewList"
+	//   "404":
+	//     "$ref": "#/responses/notFound"
+
+	pr, err := models.GetPullRequestByIndex(ctx.Repo.Repository.ID, ctx.ParamsInt64(":index"))
+	if err != nil {
+		if models.IsErrPullRequestNotExist(err) {
+			ctx.NotFound("GetPullRequestByIndex", err)
+		} else {
+			ctx.Error(http.StatusInternalServerError, "GetPullRequestByIndex", err)
+		}
+		return
+	}
+
+	if err = pr.LoadIssue(); err != nil {
+		ctx.Error(http.StatusInternalServerError, "LoadIssue", err)
+		return
+	}
+
+	if err = pr.Issue.LoadRepo(); err != nil {
+		ctx.Error(http.StatusInternalServerError, "LoadRepo", err)
+		return
+	}
+
+	allReviews, err := models.FindReviews(models.FindReviewOptions{
+		ListOptions: utils.GetListOptions(ctx),
+		Type:        models.ReviewTypeUnknown,
+		IssueID:     pr.IssueID,
+	})
+
+	if err != nil {
+		ctx.Error(http.StatusInternalServerError, "FindReviews", err)
+		return
+	}
+
+	apiReviews, err := convert.ToPullReviewList(allReviews, ctx.User)
+	if err != nil {
+		ctx.Error(http.StatusInternalServerError, "convertToPullReviewList", err)
+		return
+	}
+
+	ctx.JSON(http.StatusOK, &apiReviews)
+}
+
+// GetPullReview gets a specific review of a pull request
+func GetPullReview(ctx *context.APIContext) {
+	// swagger:operation GET /repos/{owner}/{repo}/pulls/{index}/reviews/{id} repository repoGetPullReview
+	// ---
+	// summary: Get a specific review for a pull request
+	// produces:
+	// - application/json
+	// parameters:
+	// - name: owner
+	//   in: path
+	//   description: owner of the repo
+	//   type: string
+	//   required: true
+	// - name: repo
+	//   in: path
+	//   description: name of the repo
+	//   type: string
+	//   required: true
+	// - name: index
+	//   in: path
+	//   description: index of the pull request
+	//   type: integer
+	//   format: int64
+	//   required: true
+	// - name: id
+	//   in: path
+	//   description: id of the review
+	//   type: integer
+	//   format: int64
+	//   required: true
+	// responses:
+	//   "200":
+	//     "$ref": "#/responses/PullReview"
+	//   "404":
+	//     "$ref": "#/responses/notFound"
+
+	review, _, statusSet := prepareSingleReview(ctx)
+	if statusSet {
+		return
+	}
+
+	apiReview, err := convert.ToPullReview(review, ctx.User)
+	if err != nil {
+		ctx.Error(http.StatusInternalServerError, "convertToPullReview", err)
+		return
+	}
+
+	ctx.JSON(http.StatusOK, apiReview)
+}
+
+// GetPullReviewComments lists all comments of a pull request review
+func GetPullReviewComments(ctx *context.APIContext) {
+	// swagger:operation GET /repos/{owner}/{repo}/pulls/{index}/reviews/{id}/comments repository repoGetPullReviewComments
+	// ---
+	// summary: Get a specific review for a pull request
+	// produces:
+	// - application/json
+	// parameters:
+	// - name: owner
+	//   in: path
+	//   description: owner of the repo
+	//   type: string
+	//   required: true
+	// - name: repo
+	//   in: path
+	//   description: name of the repo
+	//   type: string
+	//   required: true
+	// - name: index
+	//   in: path
+	//   description: index of the pull request
+	//   type: integer
+	//   format: int64
+	//   required: true
+	// - name: id
+	//   in: path
+	//   description: id of the review
+	//   type: integer
+	//   format: int64
+	//   required: true
+	// responses:
+	//   "200":
+	//     "$ref": "#/responses/PullReviewCommentList"
+	//   "404":
+	//     "$ref": "#/responses/notFound"
+
+	review, _, statusSet := prepareSingleReview(ctx)
+	if statusSet {
+		return
+	}
+
+	apiComments, err := convert.ToPullReviewCommentList(review, ctx.User)
+	if err != nil {
+		ctx.Error(http.StatusInternalServerError, "convertToPullReviewCommentList", err)
+		return
+	}
+
+	ctx.JSON(http.StatusOK, apiComments)
+}
+
+// DeletePullReview delete a specific review from a pull request
+func DeletePullReview(ctx *context.APIContext) {
+	// swagger:operation DELETE /repos/{owner}/{repo}/pulls/{index}/reviews/{id} repository repoDeletePullReview
+	// ---
+	// summary: Delete a specific review from a pull request
+	// produces:
+	// - application/json
+	// parameters:
+	// - name: owner
+	//   in: path
+	//   description: owner of the repo
+	//   type: string
+	//   required: true
+	// - name: repo
+	//   in: path
+	//   description: name of the repo
+	//   type: string
+	//   required: true
+	// - name: index
+	//   in: path
+	//   description: index of the pull request
+	//   type: integer
+	//   format: int64
+	//   required: true
+	// - name: id
+	//   in: path
+	//   description: id of the review
+	//   type: integer
+	//   format: int64
+	//   required: true
+	// responses:
+	//   "204":
+	//     "$ref": "#/responses/empty"
+	//   "403":
+	//     "$ref": "#/responses/forbidden"
+	//   "404":
+	//     "$ref": "#/responses/notFound"
+
+	review, _, statusSet := prepareSingleReview(ctx)
+	if statusSet {
+		return
+	}
+
+	if ctx.User == nil {
+		ctx.NotFound()
+		return
+	}
+	if !ctx.User.IsAdmin && ctx.User.ID != review.ReviewerID {
+		ctx.Error(http.StatusForbidden, "only admin and user itself can delete a review", nil)
+		return
+	}
+
+	if err := models.DeleteReview(review); err != nil {
+		ctx.Error(http.StatusInternalServerError, "DeleteReview", fmt.Errorf("can not delete ReviewID: %d", review.ID))
+		return
+	}
+
+	ctx.Status(http.StatusNoContent)
+}
+
+// CreatePullReview create a review to an pull request
+func CreatePullReview(ctx *context.APIContext, opts api.CreatePullReviewOptions) {
+	// swagger:operation POST /repos/{owner}/{repo}/pulls/{index}/reviews repository repoCreatePullReview
+	// ---
+	// summary: Create a review to an pull request
+	// produces:
+	// - application/json
+	// parameters:
+	// - name: owner
+	//   in: path
+	//   description: owner of the repo
+	//   type: string
+	//   required: true
+	// - name: repo
+	//   in: path
+	//   description: name of the repo
+	//   type: string
+	//   required: true
+	// - name: index
+	//   in: path
+	//   description: index of the pull request
+	//   type: integer
+	//   format: int64
+	//   required: true
+	// - name: body
+	//   in: body
+	//   required: true
+	//   schema:
+	//     "$ref": "#/definitions/CreatePullReviewOptions"
+	// responses:
+	//   "200":
+	//     "$ref": "#/responses/PullReview"
+	//   "404":
+	//     "$ref": "#/responses/notFound"
+	//   "422":
+	//     "$ref": "#/responses/validationError"
+
+	pr, err := models.GetPullRequestByIndex(ctx.Repo.Repository.ID, ctx.ParamsInt64(":index"))
+	if err != nil {
+		if models.IsErrPullRequestNotExist(err) {
+			ctx.NotFound("GetPullRequestByIndex", err)
+		} else {
+			ctx.Error(http.StatusInternalServerError, "GetPullRequestByIndex", err)
+		}
+		return
+	}
+
+	// determine review type
+	reviewType, isWrong := preparePullReviewType(ctx, pr, opts.Event, opts.Body)
+	if isWrong {
+		return
+	}
+
+	if err := pr.Issue.LoadRepo(); err != nil {
+		ctx.Error(http.StatusInternalServerError, "pr.Issue.LoadRepo", err)
+		return
+	}
+
+	// create review comments
+	for _, c := range opts.Comments {
+		line := c.NewLineNum
+		if c.OldLineNum > 0 {
+			line = c.OldLineNum * -1
+		}
+
+		if _, err := pull_service.CreateCodeComment(
+			ctx.User,
+			ctx.Repo.GitRepo,
+			pr.Issue,
+			line,
+			c.Body,
+			c.Path,
+			true, // is review
+			0,    // no reply
+			opts.CommitID,
+		); err != nil {
+			ctx.ServerError("CreateCodeComment", err)
+			return
+		}
+	}
+
+	// create review and associate all pending review comments
+	review, _, err := pull_service.SubmitReview(ctx.User, ctx.Repo.GitRepo, pr.Issue, reviewType, opts.Body, opts.CommitID)
+	if err != nil {
+		ctx.Error(http.StatusInternalServerError, "SubmitReview", err)
+		return
+	}
+
+	// convert response
+	apiReview, err := convert.ToPullReview(review, ctx.User)
+	if err != nil {
+		ctx.Error(http.StatusInternalServerError, "convertToPullReview", err)
+		return
+	}
+	ctx.JSON(http.StatusOK, apiReview)
+}
+
+// SubmitPullReview submit a pending review to an pull request
+func SubmitPullReview(ctx *context.APIContext, opts api.SubmitPullReviewOptions) {
+	// swagger:operation POST /repos/{owner}/{repo}/pulls/{index}/reviews/{id} repository repoSubmitPullReview
+	// ---
+	// summary: Submit a pending review to an pull request
+	// produces:
+	// - application/json
+	// parameters:
+	// - name: owner
+	//   in: path
+	//   description: owner of the repo
+	//   type: string
+	//   required: true
+	// - name: repo
+	//   in: path
+	//   description: name of the repo
+	//   type: string
+	//   required: true
+	// - name: index
+	//   in: path
+	//   description: index of the pull request
+	//   type: integer
+	//   format: int64
+	//   required: true
+	// - name: id
+	//   in: path
+	//   description: id of the review
+	//   type: integer
+	//   format: int64
+	//   required: true
+	// - name: body
+	//   in: body
+	//   required: true
+	//   schema:
+	//     "$ref": "#/definitions/SubmitPullReviewOptions"
+	// responses:
+	//   "200":
+	//     "$ref": "#/responses/PullReview"
+	//   "404":
+	//     "$ref": "#/responses/notFound"
+	//   "422":
+	//     "$ref": "#/responses/validationError"
+
+	review, pr, isWrong := prepareSingleReview(ctx)
+	if isWrong {
+		return
+	}
+
+	if review.Type != models.ReviewTypePending {
+		ctx.Error(http.StatusUnprocessableEntity, "", fmt.Errorf("only a pending review can be submitted"))
+		return
+	}
+
+	// determine review type
+	reviewType, isWrong := preparePullReviewType(ctx, pr, opts.Event, opts.Body)
+	if isWrong {
+		return
+	}
+
+	// if review stay pending return
+	if reviewType == models.ReviewTypePending {
+		ctx.Error(http.StatusUnprocessableEntity, "", fmt.Errorf("review stay pending"))
+		return
+	}
+
+	headCommitID, err := ctx.Repo.GitRepo.GetRefCommitID(pr.GetGitRefName())
+	if err != nil {
+		ctx.Error(http.StatusInternalServerError, "GitRepo: GetRefCommitID", err)
+		return
+	}
+
+	// create review and associate all pending review comments
+	review, _, err = pull_service.SubmitReview(ctx.User, ctx.Repo.GitRepo, pr.Issue, reviewType, opts.Body, headCommitID)
+	if err != nil {
+		ctx.Error(http.StatusInternalServerError, "SubmitReview", err)
+		return
+	}
+
+	// convert response
+	apiReview, err := convert.ToPullReview(review, ctx.User)
+	if err != nil {
+		ctx.Error(http.StatusInternalServerError, "convertToPullReview", err)
+		return
+	}
+	ctx.JSON(http.StatusOK, apiReview)
+}
+
+// preparePullReviewType return ReviewType and false or nil and true if an error happen
+func preparePullReviewType(ctx *context.APIContext, pr *models.PullRequest, event api.ReviewStateType, body string) (models.ReviewType, bool) {
+	if err := pr.LoadIssue(); err != nil {
+		ctx.Error(http.StatusInternalServerError, "LoadIssue", err)
+		return -1, true
+	}
+
+	var reviewType models.ReviewType
+	switch event {
+	case api.ReviewStateApproved:
+		// can not approve your own PR
+		if pr.Issue.IsPoster(ctx.User.ID) {
+			ctx.Error(http.StatusUnprocessableEntity, "", fmt.Errorf("approve your own pull is not allowed"))
+			return -1, true
+		}
+		reviewType = models.ReviewTypeApprove
+
+	case api.ReviewStateRequestChanges:
+		// can not reject your own PR
+		if pr.Issue.IsPoster(ctx.User.ID) {
+			ctx.Error(http.StatusUnprocessableEntity, "", fmt.Errorf("reject your own pull is not allowed"))
+			return -1, true
+		}
+		reviewType = models.ReviewTypeReject
+
+	case api.ReviewStateComment:
+		reviewType = models.ReviewTypeComment
+	default:
+		reviewType = models.ReviewTypePending
+	}
+
+	// reject reviews with empty body if not approve type
+	if reviewType != models.ReviewTypeApprove && len(strings.TrimSpace(body)) == 0 {
+		ctx.Error(http.StatusUnprocessableEntity, "", fmt.Errorf("review event %s need body", event))
+		return -1, true
+	}
+
+	return reviewType, false
+}
+
+// prepareSingleReview return review, related pull and false or nil, nil and true if an error happen
+func prepareSingleReview(ctx *context.APIContext) (*models.Review, *models.PullRequest, bool) {
+	pr, err := models.GetPullRequestByIndex(ctx.Repo.Repository.ID, ctx.ParamsInt64(":index"))
+	if err != nil {
+		if models.IsErrPullRequestNotExist(err) {
+			ctx.NotFound("GetPullRequestByIndex", err)
+		} else {
+			ctx.Error(http.StatusInternalServerError, "GetPullRequestByIndex", err)
+		}
+		return nil, nil, true
+	}
+
+	review, err := models.GetReviewByID(ctx.ParamsInt64(":id"))
+	if err != nil {
+		if models.IsErrReviewNotExist(err) {
+			ctx.NotFound("GetReviewByID", err)
+		} else {
+			ctx.Error(http.StatusInternalServerError, "GetReviewByID", err)
+		}
+		return nil, nil, true
+	}
+
+	// validate the the review is for the given PR
+	if review.IssueID != pr.IssueID {
+		ctx.NotFound("ReviewNotInPR")
+		return nil, nil, true
+	}
+
+	// make sure that the user has access to this review if it is pending
+	if review.Type == models.ReviewTypePending && review.ReviewerID != ctx.User.ID && !ctx.User.IsAdmin {
+		ctx.NotFound("GetReviewByID")
+		return nil, nil, true
+	}
+
+	if err := review.LoadAttributes(); err != nil && !models.IsErrUserNotExist(err) {
+		ctx.Error(http.StatusInternalServerError, "ReviewLoadAttributes", err)
+		return nil, nil, true
+	}
+
+	return review, pr, false
+}
diff --git a/routers/api/v1/swagger/options.go b/routers/api/v1/swagger/options.go
index 4bb649616a..f13dc63864 100644
--- a/routers/api/v1/swagger/options.go
+++ b/routers/api/v1/swagger/options.go
@@ -137,4 +137,13 @@ type swaggerParameterBodies struct {
 
 	// in:body
 	CreateOAuth2ApplicationOptions api.CreateOAuth2ApplicationOptions
+
+	// in:body
+	CreatePullReviewOptions api.CreatePullReviewOptions
+
+	// in:body
+	CreatePullReviewComment api.CreatePullReviewComment
+
+	// in:body
+	SubmitPullReviewOptions api.SubmitPullReviewOptions
 }
diff --git a/routers/api/v1/swagger/repo.go b/routers/api/v1/swagger/repo.go
index 2a657f3122..bcbc2b5fa9 100644
--- a/routers/api/v1/swagger/repo.go
+++ b/routers/api/v1/swagger/repo.go
@@ -141,6 +141,34 @@ type swaggerResponsePullRequestList struct {
 	Body []api.PullRequest `json:"body"`
 }
 
+// PullReview
+// swagger:response PullReview
+type swaggerResponsePullReview struct {
+	// in:body
+	Body api.PullReview `json:"body"`
+}
+
+// PullReviewList
+// swagger:response PullReviewList
+type swaggerResponsePullReviewList struct {
+	// in:body
+	Body []api.PullReview `json:"body"`
+}
+
+// PullComment
+// swagger:response PullReviewComment
+type swaggerPullReviewComment struct {
+	// in:body
+	Body api.PullReviewComment `json:"body"`
+}
+
+// PullCommentList
+// swagger:response PullReviewCommentList
+type swaggerResponsePullReviewCommentList struct {
+	// in:body
+	Body []api.PullReviewComment `json:"body"`
+}
+
 // Status
 // swagger:response Status
 type swaggerResponseStatus struct {
@@ -172,35 +200,35 @@ type swaggerResponseSearchResults struct {
 // AttachmentList
 // swagger:response AttachmentList
 type swaggerResponseAttachmentList struct {
-	//in: body
+	// in: body
 	Body []api.Attachment `json:"body"`
 }
 
 // Attachment
 // swagger:response Attachment
 type swaggerResponseAttachment struct {
-	//in: body
+	// in: body
 	Body api.Attachment `json:"body"`
 }
 
 // GitTreeResponse
 // swagger:response GitTreeResponse
 type swaggerGitTreeResponse struct {
-	//in: body
+	// in: body
 	Body api.GitTreeResponse `json:"body"`
 }
 
 // GitBlobResponse
 // swagger:response GitBlobResponse
 type swaggerGitBlobResponse struct {
-	//in: body
+	// in: body
 	Body api.GitBlobResponse `json:"body"`
 }
 
 // Commit
 // swagger:response Commit
 type swaggerCommit struct {
-	//in: body
+	// in: body
 	Body api.Commit `json:"body"`
 }
 
@@ -222,28 +250,28 @@ type swaggerCommitList struct {
 	// True if there is another page
 	HasMore bool `json:"X-HasMore"`
 
-	//in: body
+	// in: body
 	Body []api.Commit `json:"body"`
 }
 
 // EmptyRepository
 // swagger:response EmptyRepository
 type swaggerEmptyRepository struct {
-	//in: body
+	// in: body
 	Body api.APIError `json:"body"`
 }
 
 // FileResponse
 // swagger:response FileResponse
 type swaggerFileResponse struct {
-	//in: body
+	// in: body
 	Body api.FileResponse `json:"body"`
 }
 
 // ContentsResponse
 // swagger:response ContentsResponse
 type swaggerContentsResponse struct {
-	//in: body
+	// in: body
 	Body api.ContentsResponse `json:"body"`
 }
 
@@ -257,20 +285,20 @@ type swaggerContentsListResponse struct {
 // FileDeleteResponse
 // swagger:response FileDeleteResponse
 type swaggerFileDeleteResponse struct {
-	//in: body
+	// in: body
 	Body api.FileDeleteResponse `json:"body"`
 }
 
 // TopicListResponse
 // swagger:response TopicListResponse
 type swaggerTopicListResponse struct {
-	//in: body
+	// in: body
 	Body []api.TopicResponse `json:"body"`
 }
 
 // TopicNames
 // swagger:response TopicNames
 type swaggerTopicNames struct {
-	//in: body
+	// in: body
 	Body api.TopicName `json:"body"`
 }
diff --git a/templates/swagger/v1_json.tmpl b/templates/swagger/v1_json.tmpl
index b6a9085be5..01ad43a904 100644
--- a/templates/swagger/v1_json.tmpl
+++ b/templates/swagger/v1_json.tmpl
@@ -6714,6 +6714,333 @@
         }
       }
     },
+    "/repos/{owner}/{repo}/pulls/{index}/reviews": {
+      "get": {
+        "produces": [
+          "application/json"
+        ],
+        "tags": [
+          "repository"
+        ],
+        "summary": "List all reviews for a pull request",
+        "operationId": "repoListPullReviews",
+        "parameters": [
+          {
+            "type": "string",
+            "description": "owner of the repo",
+            "name": "owner",
+            "in": "path",
+            "required": true
+          },
+          {
+            "type": "string",
+            "description": "name of the repo",
+            "name": "repo",
+            "in": "path",
+            "required": true
+          },
+          {
+            "type": "integer",
+            "format": "int64",
+            "description": "index of the pull request",
+            "name": "index",
+            "in": "path",
+            "required": true
+          },
+          {
+            "type": "integer",
+            "description": "page number of results to return (1-based)",
+            "name": "page",
+            "in": "query"
+          },
+          {
+            "type": "integer",
+            "description": "page size of results, maximum page size is 50",
+            "name": "limit",
+            "in": "query"
+          }
+        ],
+        "responses": {
+          "200": {
+            "$ref": "#/responses/PullReviewList"
+          },
+          "404": {
+            "$ref": "#/responses/notFound"
+          }
+        }
+      },
+      "post": {
+        "produces": [
+          "application/json"
+        ],
+        "tags": [
+          "repository"
+        ],
+        "summary": "Create a review to an pull request",
+        "operationId": "repoCreatePullReview",
+        "parameters": [
+          {
+            "type": "string",
+            "description": "owner of the repo",
+            "name": "owner",
+            "in": "path",
+            "required": true
+          },
+          {
+            "type": "string",
+            "description": "name of the repo",
+            "name": "repo",
+            "in": "path",
+            "required": true
+          },
+          {
+            "type": "integer",
+            "format": "int64",
+            "description": "index of the pull request",
+            "name": "index",
+            "in": "path",
+            "required": true
+          },
+          {
+            "name": "body",
+            "in": "body",
+            "required": true,
+            "schema": {
+              "$ref": "#/definitions/CreatePullReviewOptions"
+            }
+          }
+        ],
+        "responses": {
+          "200": {
+            "$ref": "#/responses/PullReview"
+          },
+          "404": {
+            "$ref": "#/responses/notFound"
+          },
+          "422": {
+            "$ref": "#/responses/validationError"
+          }
+        }
+      }
+    },
+    "/repos/{owner}/{repo}/pulls/{index}/reviews/{id}": {
+      "get": {
+        "produces": [
+          "application/json"
+        ],
+        "tags": [
+          "repository"
+        ],
+        "summary": "Get a specific review for a pull request",
+        "operationId": "repoGetPullReview",
+        "parameters": [
+          {
+            "type": "string",
+            "description": "owner of the repo",
+            "name": "owner",
+            "in": "path",
+            "required": true
+          },
+          {
+            "type": "string",
+            "description": "name of the repo",
+            "name": "repo",
+            "in": "path",
+            "required": true
+          },
+          {
+            "type": "integer",
+            "format": "int64",
+            "description": "index of the pull request",
+            "name": "index",
+            "in": "path",
+            "required": true
+          },
+          {
+            "type": "integer",
+            "format": "int64",
+            "description": "id of the review",
+            "name": "id",
+            "in": "path",
+            "required": true
+          }
+        ],
+        "responses": {
+          "200": {
+            "$ref": "#/responses/PullReview"
+          },
+          "404": {
+            "$ref": "#/responses/notFound"
+          }
+        }
+      },
+      "post": {
+        "produces": [
+          "application/json"
+        ],
+        "tags": [
+          "repository"
+        ],
+        "summary": "Submit a pending review to an pull request",
+        "operationId": "repoSubmitPullReview",
+        "parameters": [
+          {
+            "type": "string",
+            "description": "owner of the repo",
+            "name": "owner",
+            "in": "path",
+            "required": true
+          },
+          {
+            "type": "string",
+            "description": "name of the repo",
+            "name": "repo",
+            "in": "path",
+            "required": true
+          },
+          {
+            "type": "integer",
+            "format": "int64",
+            "description": "index of the pull request",
+            "name": "index",
+            "in": "path",
+            "required": true
+          },
+          {
+            "type": "integer",
+            "format": "int64",
+            "description": "id of the review",
+            "name": "id",
+            "in": "path",
+            "required": true
+          },
+          {
+            "name": "body",
+            "in": "body",
+            "required": true,
+            "schema": {
+              "$ref": "#/definitions/SubmitPullReviewOptions"
+            }
+          }
+        ],
+        "responses": {
+          "200": {
+            "$ref": "#/responses/PullReview"
+          },
+          "404": {
+            "$ref": "#/responses/notFound"
+          },
+          "422": {
+            "$ref": "#/responses/validationError"
+          }
+        }
+      },
+      "delete": {
+        "produces": [
+          "application/json"
+        ],
+        "tags": [
+          "repository"
+        ],
+        "summary": "Delete a specific review from a pull request",
+        "operationId": "repoDeletePullReview",
+        "parameters": [
+          {
+            "type": "string",
+            "description": "owner of the repo",
+            "name": "owner",
+            "in": "path",
+            "required": true
+          },
+          {
+            "type": "string",
+            "description": "name of the repo",
+            "name": "repo",
+            "in": "path",
+            "required": true
+          },
+          {
+            "type": "integer",
+            "format": "int64",
+            "description": "index of the pull request",
+            "name": "index",
+            "in": "path",
+            "required": true
+          },
+          {
+            "type": "integer",
+            "format": "int64",
+            "description": "id of the review",
+            "name": "id",
+            "in": "path",
+            "required": true
+          }
+        ],
+        "responses": {
+          "204": {
+            "$ref": "#/responses/empty"
+          },
+          "403": {
+            "$ref": "#/responses/forbidden"
+          },
+          "404": {
+            "$ref": "#/responses/notFound"
+          }
+        }
+      }
+    },
+    "/repos/{owner}/{repo}/pulls/{index}/reviews/{id}/comments": {
+      "get": {
+        "produces": [
+          "application/json"
+        ],
+        "tags": [
+          "repository"
+        ],
+        "summary": "Get a specific review for a pull request",
+        "operationId": "repoGetPullReviewComments",
+        "parameters": [
+          {
+            "type": "string",
+            "description": "owner of the repo",
+            "name": "owner",
+            "in": "path",
+            "required": true
+          },
+          {
+            "type": "string",
+            "description": "name of the repo",
+            "name": "repo",
+            "in": "path",
+            "required": true
+          },
+          {
+            "type": "integer",
+            "format": "int64",
+            "description": "index of the pull request",
+            "name": "index",
+            "in": "path",
+            "required": true
+          },
+          {
+            "type": "integer",
+            "format": "int64",
+            "description": "id of the review",
+            "name": "id",
+            "in": "path",
+            "required": true
+          }
+        ],
+        "responses": {
+          "200": {
+            "$ref": "#/responses/PullReviewCommentList"
+          },
+          "404": {
+            "$ref": "#/responses/notFound"
+          }
+        }
+      }
+    },
     "/repos/{owner}/{repo}/raw/{filepath}": {
       "get": {
         "produces": [
@@ -10975,6 +11302,59 @@
       },
       "x-go-package": "code.gitea.io/gitea/modules/structs"
     },
+    "CreatePullReviewComment": {
+      "description": "CreatePullReviewComment represent a review comment for creation api",
+      "type": "object",
+      "properties": {
+        "body": {
+          "type": "string",
+          "x-go-name": "Body"
+        },
+        "new_position": {
+          "description": "if comment to new file line or 0",
+          "type": "integer",
+          "format": "int64",
+          "x-go-name": "NewLineNum"
+        },
+        "old_position": {
+          "description": "if comment to old file line or 0",
+          "type": "integer",
+          "format": "int64",
+          "x-go-name": "OldLineNum"
+        },
+        "path": {
+          "description": "the tree path",
+          "type": "string",
+          "x-go-name": "Path"
+        }
+      },
+      "x-go-package": "code.gitea.io/gitea/modules/structs"
+    },
+    "CreatePullReviewOptions": {
+      "description": "CreatePullReviewOptions are options to create a pull review",
+      "type": "object",
+      "properties": {
+        "body": {
+          "type": "string",
+          "x-go-name": "Body"
+        },
+        "comments": {
+          "type": "array",
+          "items": {
+            "$ref": "#/definitions/CreatePullReviewComment"
+          },
+          "x-go-name": "Comments"
+        },
+        "commit_id": {
+          "type": "string",
+          "x-go-name": "CommitID"
+        },
+        "event": {
+          "$ref": "#/definitions/ReviewStateType"
+        }
+      },
+      "x-go-package": "code.gitea.io/gitea/modules/structs"
+    },
     "CreateReleaseOption": {
       "description": "CreateReleaseOption options when creating a release",
       "type": "object",
@@ -13143,6 +13523,126 @@
       },
       "x-go-package": "code.gitea.io/gitea/modules/structs"
     },
+    "PullReview": {
+      "description": "PullReview represents a pull request review",
+      "type": "object",
+      "properties": {
+        "body": {
+          "type": "string",
+          "x-go-name": "Body"
+        },
+        "comments_count": {
+          "type": "integer",
+          "format": "int64",
+          "x-go-name": "CodeCommentsCount"
+        },
+        "commit_id": {
+          "type": "string",
+          "x-go-name": "CommitID"
+        },
+        "html_url": {
+          "type": "string",
+          "x-go-name": "HTMLURL"
+        },
+        "id": {
+          "type": "integer",
+          "format": "int64",
+          "x-go-name": "ID"
+        },
+        "official": {
+          "type": "boolean",
+          "x-go-name": "Official"
+        },
+        "pull_request_url": {
+          "type": "string",
+          "x-go-name": "HTMLPullURL"
+        },
+        "stale": {
+          "type": "boolean",
+          "x-go-name": "Stale"
+        },
+        "state": {
+          "$ref": "#/definitions/ReviewStateType"
+        },
+        "submitted_at": {
+          "type": "string",
+          "format": "date-time",
+          "x-go-name": "Submitted"
+        },
+        "user": {
+          "$ref": "#/definitions/User"
+        }
+      },
+      "x-go-package": "code.gitea.io/gitea/modules/structs"
+    },
+    "PullReviewComment": {
+      "description": "PullReviewComment represents a comment on a pull request review",
+      "type": "object",
+      "properties": {
+        "body": {
+          "type": "string",
+          "x-go-name": "Body"
+        },
+        "commit_id": {
+          "type": "string",
+          "x-go-name": "CommitID"
+        },
+        "created_at": {
+          "type": "string",
+          "format": "date-time",
+          "x-go-name": "Created"
+        },
+        "diff_hunk": {
+          "type": "string",
+          "x-go-name": "DiffHunk"
+        },
+        "html_url": {
+          "type": "string",
+          "x-go-name": "HTMLURL"
+        },
+        "id": {
+          "type": "integer",
+          "format": "int64",
+          "x-go-name": "ID"
+        },
+        "original_commit_id": {
+          "type": "string",
+          "x-go-name": "OrigCommitID"
+        },
+        "original_position": {
+          "type": "integer",
+          "format": "uint64",
+          "x-go-name": "OldLineNum"
+        },
+        "path": {
+          "type": "string",
+          "x-go-name": "Path"
+        },
+        "position": {
+          "type": "integer",
+          "format": "uint64",
+          "x-go-name": "LineNum"
+        },
+        "pull_request_review_id": {
+          "type": "integer",
+          "format": "int64",
+          "x-go-name": "ReviewID"
+        },
+        "pull_request_url": {
+          "type": "string",
+          "x-go-name": "HTMLPullURL"
+        },
+        "updated_at": {
+          "type": "string",
+          "format": "date-time",
+          "x-go-name": "Updated"
+        },
+        "user": {
+          "$ref": "#/definitions/User"
+        }
+      },
+      "x-go-package": "code.gitea.io/gitea/modules/structs"
+    },
     "Reaction": {
       "description": "Reaction contain one reaction",
       "type": "object",
@@ -13486,6 +13986,11 @@
       },
       "x-go-package": "code.gitea.io/gitea/modules/structs"
     },
+    "ReviewStateType": {
+      "description": "ReviewStateType review state type",
+      "type": "string",
+      "x-go-package": "code.gitea.io/gitea/modules/structs"
+    },
     "SearchResults": {
       "description": "SearchResults results of a successful search",
       "type": "object",
@@ -13586,6 +14091,20 @@
       },
       "x-go-package": "code.gitea.io/gitea/modules/structs"
     },
+    "SubmitPullReviewOptions": {
+      "description": "SubmitPullReviewOptions are options to submit a pending pull review",
+      "type": "object",
+      "properties": {
+        "body": {
+          "type": "string",
+          "x-go-name": "Body"
+        },
+        "event": {
+          "$ref": "#/definitions/ReviewStateType"
+        }
+      },
+      "x-go-package": "code.gitea.io/gitea/modules/structs"
+    },
     "Tag": {
       "description": "Tag represents a repository tag",
       "type": "object",
@@ -14324,6 +14843,36 @@
         }
       }
     },
+    "PullReview": {
+      "description": "PullReview",
+      "schema": {
+        "$ref": "#/definitions/PullReview"
+      }
+    },
+    "PullReviewComment": {
+      "description": "PullComment",
+      "schema": {
+        "$ref": "#/definitions/PullReviewComment"
+      }
+    },
+    "PullReviewCommentList": {
+      "description": "PullCommentList",
+      "schema": {
+        "type": "array",
+        "items": {
+          "$ref": "#/definitions/PullReviewComment"
+        }
+      }
+    },
+    "PullReviewList": {
+      "description": "PullReviewList",
+      "schema": {
+        "type": "array",
+        "items": {
+          "$ref": "#/definitions/PullReview"
+        }
+      }
+    },
     "Reaction": {
       "description": "Reaction",
       "schema": {
@@ -14561,7 +15110,7 @@
     "parameterBodies": {
       "description": "parameterBodies",
       "schema": {
-        "$ref": "#/definitions/CreateOAuth2ApplicationOptions"
+        "$ref": "#/definitions/SubmitPullReviewOptions"
       }
     },
     "redirect": {