Merge pull request #2 from JonasFranzDEV/feat/approval

Reviews and Pull Request comments

models/error.go

@@ -1221,3 +1221,25 @@ func IsErrExternalLoginUserNotExist(err error) bool {
 func (err ErrExternalLoginUserNotExist) Error() string {
 	return fmt.Sprintf("external login user link does not exists [userID: %d, loginSourceID: %d]", err.UserID, err.LoginSourceID)
 }
+
+//  __________            .__
+//  \______   \ _______  _|__| ______  _  __
+//  |       _// __ \  \/ /  |/ __ \ \/ \/ /
+//  |    |   \  ___/\   /|  \  ___/\     /
+//  |____|_  /\___  >\_/ |__|\___  >\/\_/
+//  \/     \/             \/
+
+// ErrReviewNotExist represents a "ReviewNotExist" kind of error.
+type ErrReviewNotExist struct {
+	ID int64
+}
+
+// IsErrReviewNotExist checks if an error is a ErrReviewNotExist.
+func IsErrReviewNotExist(err error) bool {
+	_, ok := err.(ErrReviewNotExist)
+	return ok
+}
+
+func (err ErrReviewNotExist) Error() string {
+	return fmt.Sprintf("review does not exist [id: %d]", err.ID)
+}

models/fixtures/comment.yml

@@ -20,3 +20,22 @@
   issue_id: 1 # in repo_id 1
   content: "meh..."
   created_unix: 946684812
+-
+  id: 4
+  type: 19 # code comment
+  poster_id: 1
+  issue_id: 2
+  content: "meh..."
+  review_id: 4
+  line: 4
+  tree_path: "README.md"
+  created_unix: 946684812
+-
+  id: 5
+  type: 19 # code comment
+  poster_id: 1
+  issue_id: 2
+  content: "meh..."
+  line: -4
+  tree_path: "README.md"
+  created_unix: 946684812

models/fixtures/review.yml

@@ -0,0 +1,32 @@
+-
+  id: 1
+  type: 1
+  reviewer_id: 1
+  issue_id: 2
+  content: "Demo Review"
+  updated_unix: 946684810
+  created_unix: 946684810
+-
+  id: 2
+  type: 1
+  reviewer_id: 534543
+  issue_id: 534543
+  content: "Invalid Review #1"
+  updated_unix: 946684810
+  created_unix: 946684810
+-
+  id: 3
+  type: 1
+  reviewer_id: 1
+  issue_id: 343545
+  content: "Invalid Review #2"
+  updated_unix: 946684810
+  created_unix: 946684810
+-
+  id: 4
+  type: 0 # Pending review
+  reviewer_id: 1
+  issue_id: 2
+  content: "Pending Review"
+  updated_unix: 946684810
+  created_unix: 946684810

models/git_diff.go

@@ -14,6 +14,7 @@ import (
 	"io/ioutil"
 	"os"
 	"os/exec"
+	"sort"
 	"strconv"
 	"strings"
 
@@ -57,6 +58,7 @@ type DiffLine struct {
 	RightIdx int
 	Type     DiffLineType
 	Content  string
+	Comments []*Comment
 }
 
 // GetType returns the type of a DiffLine.
@@ -225,6 +227,32 @@ type Diff struct {
 	IsIncomplete                 bool
 }
 
+// LoadComments loads comments into each line
+func (diff *Diff) LoadComments(issue *Issue, currentUser *User) error {
+	allComments, err := FetchCodeComments(issue, currentUser)
+	if err != nil {
+		return err
+	}
+	for _, file := range diff.Files {
+		if lineCommits, ok := allComments[file.Name]; ok {
+			for _, section := range file.Sections {
+				for _, line := range section.Lines {
+					if comments, ok := lineCommits[int64(line.LeftIdx*-1)]; ok {
+						line.Comments = comments
+					}
+					if comments, ok := lineCommits[int64(line.RightIdx)]; ok {
+						line.Comments = append(line.Comments, comments...)
+					}
+					sort.SliceStable(line.Comments, func(i, j int) bool {
+						return line.Comments[i].CreatedUnix < line.Comments[j].CreatedUnix
+					})
+				}
+			}
+		}
+	}
+	return nil
+}
+
 // NumFiles returns number of files changes in a diff.
 func (diff *Diff) NumFiles() int {
 	return len(diff.Files)

models/git_diff_test.go

@@ -5,6 +5,7 @@ import (
 	"testing"
 
 	dmp "github.com/sergi/go-diff/diffmatchpatch"
+	"github.com/stretchr/testify/assert"
 )
 
 func assertEqual(t *testing.T, s1 string, s2 template.HTML) {
@@ -34,3 +35,28 @@ func TestDiffToHTML(t *testing.T) {
 		{Type: dmp.DiffEqual, Text: " biz"},
 	}, DiffLineDel))
 }
+
+func TestDiff_LoadComments(t *testing.T) {
+	assert.NoError(t, PrepareTestDatabase())
+	issue := AssertExistsAndLoadBean(t, &Issue{ID: 2}).(*Issue)
+	user := AssertExistsAndLoadBean(t, &User{ID: 1}).(*User)
+	diff := &Diff{
+		Files: []*DiffFile{
+			{
+				Name: "README.md",
+				Sections: []*DiffSection{
+					{
+						Lines: []*DiffLine{
+							{
+								LeftIdx:  4,
+								RightIdx: 4,
+							},
+						},
+					},
+				},
+			},
+		},
+	}
+	assert.NoError(t, diff.LoadComments(issue, user))
+	assert.Len(t, diff.Files[0].Sections[0].Lines[0].Comments, 2)
+}

models/issue_comment.go

@@ -6,8 +6,11 @@ package models
 
 import (
 	"fmt"
+	"path"
 	"strings"
 
+	"code.gitea.io/git"
+	"code.gitea.io/gitea/modules/markup/markdown"
 	"github.com/Unknwon/com"
 	"github.com/go-xorm/builder"
 	"github.com/go-xorm/xorm"
@@ -66,6 +69,10 @@ const (
 	CommentTypeModifiedDeadline
 	// Removed a due date
 	CommentTypeRemovedDeadline
+	// Comment a line of code
+	CommentTypeCode
+	// Reviews a pull request by giving general feedback
+	CommentTypeReview
 )
 
 // CommentTag defines comment tag type
@@ -100,7 +107,8 @@ type Comment struct {
 	NewTitle       string
 
 	CommitID        int64
-	Line            int64
+	Line            int64 // - previous line / + proposed line
+	TreePath        string
 	Content         string `xorm:"TEXT"`
 	RenderedContent string `xorm:"-"`
 
@@ -115,6 +123,10 @@ type Comment struct {
 
 	// For view issue page.
 	ShowTag CommentTag `xorm:"-"`
+
+	Review      *Review `xorm:"-"`
+	ReviewID    int64
+	Invalidated bool
 }
 
 // AfterLoad is invoked from XORM after setting the values of all fields of this object.
@@ -318,6 +330,52 @@ func (c *Comment) LoadReactions() error {
 	return c.loadReactions(x)
 }
 
+func (c *Comment) loadReview(e Engine) (err error) {
+	if c.Review, err = getReviewByID(e, c.ReviewID); err != nil {
+		return err
+	}
+	return nil
+}
+
+// LoadReview loads the associated review
+func (c *Comment) LoadReview() error {
+	return c.loadReview(x)
+}
+
+func (c *Comment) getPathAndFile(repoPath string) (string, string) {
+	p := path.Dir(c.TreePath)
+	if p == "." {
+		p = ""
+	}
+	p = fmt.Sprintf("%s/%s", repoPath, p)
+	file := path.Base(c.TreePath)
+	return p, file
+}
+
+func (c *Comment) checkInvalidation(e Engine, repo *git.Repository, branch string) error {
+	p, file := c.getPathAndFile(repo.Path)
+	// FIXME differentiate between previous and proposed line
+	var line = c.Line
+	if line < 0 {
+		line *= -1
+	}
+	commit, err := repo.LineBlame(branch, p, file, uint(line))
+	if err != nil {
+		return err
+	}
+	if c.CommitSHA != commit.ID.String() {
+		c.Invalidated = true
+		return UpdateComment(c)
+	}
+	return nil
+}
+
+// CheckInvalidation checks if the line of code comment got changed by another commit.
+// If the line got changed the comment is going to be invalidated.
+func (c *Comment) CheckInvalidation(repo *git.Repository, branch string) error {
+	return c.checkInvalidation(x, repo, branch)
+}
+
 func createComment(e *xorm.Session, opts *CreateCommentOptions) (_ *Comment, err error) {
 	var LabelID int64
 	if opts.Label != nil {
@@ -339,6 +397,8 @@ func createComment(e *xorm.Session, opts *CreateCommentOptions) (_ *Comment, err
 		Content:        opts.Content,
 		OldTitle:       opts.OldTitle,
 		NewTitle:       opts.NewTitle,
+		TreePath:       opts.TreePath,
+		ReviewID:       opts.ReviewID,
 	}
 	if _, err = e.Insert(comment); err != nil {
 		return nil, err
@@ -557,6 +617,8 @@ type CreateCommentOptions struct {
 	CommitID       int64
 	CommitSHA      string
 	LineNum        int64
+	TreePath       string
+	ReviewID       int64
 	Content        string
 	Attachments    []string // UUIDs of attachments
 }
@@ -596,6 +658,43 @@ func CreateIssueComment(doer *User, repo *Repository, issue *Issue, content stri
 	})
 }
 
+// CreateCodeComment creates a plain code comment at the specified line / path
+func CreateCodeComment(doer *User, repo *Repository, issue *Issue, content, treePath string, line, reviewID int64) (*Comment, error) {
+	pr, err := GetPullRequestByIssueID(issue.ID)
+	if err != nil {
+		return nil, fmt.Errorf("GetPullRequestByIssueID: %v", err)
+	}
+	if err := pr.GetHeadRepo(); err != nil {
+		return nil, fmt.Errorf("GetHeadRepo: %v", err)
+	}
+	gitRepo, err := git.OpenRepository(pr.HeadRepo.RepoPath())
+	if err != nil {
+		return nil, fmt.Errorf("OpenRepository: %v", err)
+	}
+	dummyComment := &Comment{Line: line, TreePath: treePath}
+	p, file := dummyComment.getPathAndFile(gitRepo.Path)
+	// FIXME differentiate between previous and proposed line
+	var gitLine = line
+	if gitLine < 0 {
+		gitLine *= -1
+	}
+	commit, err := gitRepo.LineBlame(pr.HeadBranch, p, file, uint(gitLine))
+	if err != nil {
+		return nil, err
+	}
+	return CreateComment(&CreateCommentOptions{
+		Type:      CommentTypeCode,
+		Doer:      doer,
+		Repo:      repo,
+		Issue:     issue,
+		Content:   content,
+		LineNum:   line,
+		TreePath:  treePath,
+		CommitSHA: commit.ID.String(),
+		ReviewID:  reviewID,
+	})
+}
+
 // CreateRefComment creates a commit reference comment to issue.
 func CreateRefComment(doer *User, repo *Repository, issue *Issue, content, commitSHA string) error {
 	if len(commitSHA) == 0 {
@@ -641,6 +740,7 @@ func GetCommentByID(id int64) (*Comment, error) {
 type FindCommentsOptions struct {
 	RepoID   int64
 	IssueID  int64
+	ReviewID int64
 	Since    int64
 	Type     CommentType
 }
@@ -653,6 +753,9 @@ func (opts *FindCommentsOptions) toConds() builder.Cond {
 	if opts.IssueID > 0 {
 		cond = cond.And(builder.Eq{"comment.issue_id": opts.IssueID})
 	}
+	if opts.ReviewID > 0 {
+		cond = cond.And(builder.Eq{"comment.review_id": opts.ReviewID})
+	}
 	if opts.Since > 0 {
 		cond = cond.And(builder.Gte{"comment.updated_unix": opts.Since})
 	}
@@ -745,3 +848,59 @@ func DeleteComment(comment *Comment) error {
 	}
 	return nil
 }
+
+func fetchCodeComments(e Engine, issue *Issue, currentUser *User) (map[string]map[int64][]*Comment, error) {
+	pathToLineToComment := make(map[string]map[int64][]*Comment)
+
+	//Find comments
+	opts := FindCommentsOptions{
+		Type:    CommentTypeCode,
+		IssueID: issue.ID,
+	}
+	var comments []*Comment
+	if err := e.Where(opts.toConds().And(builder.Eq{"invalidated": false})).
+		Asc("comment.created_unix").
+		Asc("comment.id").
+		Find(&comments); err != nil {
+		return nil, err
+	}
+
+	if err := issue.loadRepo(e); err != nil {
+		return nil, err
+	}
+	// Find all reviews by ReviewID
+	reviews := make(map[int64]*Review)
+	var ids = make([]int64, 0, len(comments))
+	for _, comment := range comments {
+		if comment.ReviewID != 0 {
+			ids = append(ids, comment.ReviewID)
+		}
+	}
+	if err := e.In("id", ids).Find(&reviews); err != nil {
+		return nil, err
+	}
+	for _, comment := range comments {
+		if re, ok := reviews[comment.ReviewID]; ok && re != nil {
+			// If the review is pending only the author can see the comments
+			if re.Type == ReviewTypePending &&
+				(currentUser == nil || currentUser.ID != re.ReviewerID) {
+				continue
+			}
+			comment.Review = re
+		}
+
+		comment.RenderedContent = string(markdown.Render([]byte(comment.Content), issue.Repo.Link(),
+			issue.Repo.ComposeMetas()))
+
+		if pathToLineToComment[comment.TreePath] == nil {
+			pathToLineToComment[comment.TreePath] = make(map[int64][]*Comment)
+		}
+		pathToLineToComment[comment.TreePath][comment.Line] = append(pathToLineToComment[comment.TreePath][comment.Line], comment)
+	}
+	return pathToLineToComment, nil
+}
+
+// FetchCodeComments will return a 2d-map: ["Path"]["Line"] = Comments at line
+func FetchCodeComments(issue *Issue, currentUser *User) (map[string]map[int64][]*Comment, error) {
+	return fetchCodeComments(x, issue, currentUser)
+}

models/issue_comment_test.go

@@ -39,3 +39,21 @@ func TestCreateComment(t *testing.T) {
 	updatedIssue := AssertExistsAndLoadBean(t, &Issue{ID: issue.ID}).(*Issue)
 	AssertInt64InRange(t, now, then, int64(updatedIssue.UpdatedUnix))
 }
+
+func TestFetchCodeComments(t *testing.T) {
+	assert.NoError(t, PrepareTestDatabase())
+
+	issue := AssertExistsAndLoadBean(t, &Issue{ID: 2}).(*Issue)
+	user := AssertExistsAndLoadBean(t, &User{ID: 1}).(*User)
+	res, err := FetchCodeComments(issue, user)
+	assert.NoError(t, err)
+	assert.Contains(t, res, "README.md")
+	assert.Contains(t, res["README.md"], int64(4))
+	assert.Len(t, res["README.md"][4], 1)
+	assert.Equal(t, int64(4), res["README.md"][4][0].ID)
+
+	user2 := AssertExistsAndLoadBean(t, &User{ID: 2}).(*User)
+	res, err = FetchCodeComments(issue, user2)
+	assert.NoError(t, err)
+	assert.Empty(t, res)
+}

models/migrations/migrations.go

@@ -180,6 +180,8 @@ var migrations = []Migration{
 	NewMigration("add last used passcode column for TOTP", addLastUsedPasscodeTOTP),
 	// v63 -> v64
 	NewMigration("add language column for user setting", addLanguageSetting),
+	// v64 -> v65
+	NewMigration("add review", addReview),
 }
 
 // Migrate database to current version

models/migrations/v64.go

@@ -0,0 +1,31 @@
+// 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 migrations
+
+import (
+	"fmt"
+
+	"code.gitea.io/gitea/modules/util"
+
+	"github.com/go-xorm/xorm"
+)
+
+func addReview(x *xorm.Engine) error {
+	// Review see models/review.go
+	type Review struct {
+		ID          int64 `xorm:"pk autoincr"`
+		Type        string
+		ReviewerID  int64 `xorm:"index"`
+		IssueID     int64 `xorm:"index"`
+		Content     string
+		CreatedUnix util.TimeStamp `xorm:"INDEX created"`
+		UpdatedUnix util.TimeStamp `xorm:"INDEX updated"`
+	}
+
+	if err := x.Sync2(new(Review)); err != nil {
+		return fmt.Errorf("Sync2: %v", err)
+	}
+	return nil
+}

models/models.go

@@ -119,6 +119,7 @@ func init() {
 		new(RepoIndexerStatus),
 		new(LFSLock),
 		new(Reaction),
+		new(Review),
 	)
 
 	gonicNames := []string{"SSL", "UID"}

models/pull.go

@@ -1063,10 +1063,7 @@ func (prs PullRequestList) loadAttributes(e Engine) error {
 	}
 
 	// Load issues.
-	issueIDs := make([]int64, 0, len(prs))
-	for i := range prs {
-		issueIDs = append(issueIDs, prs[i].IssueID)
-	}
+	issueIDs := prs.getIssueIDs()
 	issues := make([]*Issue, 0, len(issueIDs))
 	if err := e.
 		Where("id > 0").
@@ -1085,11 +1082,44 @@ func (prs PullRequestList) loadAttributes(e Engine) error {
 	return nil
 }
 
+func (prs PullRequestList) getIssueIDs() []int64 {
+	issueIDs := make([]int64, 0, len(prs))
+	for i := range prs {
+		issueIDs = append(issueIDs, prs[i].IssueID)
+	}
+	return issueIDs
+}
+
 // LoadAttributes load all the prs attributes
 func (prs PullRequestList) LoadAttributes() error {
 	return prs.loadAttributes(x)
 }
 
+func (prs PullRequestList) invalidateCodeComments(e Engine, repo *git.Repository, branch string) error {
+	if len(prs) == 0 {
+		return nil
+	}
+	issueIDs := prs.getIssueIDs()
+	var codeComments []*Comment
+	if err := e.
+		Where("type = ? and invalidated = ?", CommentTypeCode, false).
+		In("issue_id", issueIDs).
+		Find(&codeComments); err != nil {
+		return fmt.Errorf("find code comments: %v", err)
+	}
+	for _, comment := range codeComments {
+		if err := comment.CheckInvalidation(repo, branch); err != nil {
+			return err
+		}
+	}
+	return nil
+}
+
+// InvalidateCodeComments will lookup the prs for code comments which got invalidated by change
+func (prs PullRequestList) InvalidateCodeComments(repo *git.Repository, branch string) error {
+	return prs.invalidateCodeComments(x, repo, branch)
+}
+
 func addHeadRepoTasks(prs []*PullRequest) {
 	for _, pr := range prs {
 		log.Trace("addHeadRepoTasks[%d]: composing new test task", pr.ID)
@@ -1116,10 +1146,29 @@ func AddTestPullRequestTask(doer *User, repoID int64, branch string, isSync bool
 	}
 
 	if isSync {
-		if err = PullRequestList(prs).LoadAttributes(); err != nil {
+		requests := PullRequestList(prs)
+		if err = requests.LoadAttributes(); err != nil {
 			log.Error(4, "PullRequestList.LoadAttributes: %v", err)
 		}
+		var gitRepo *git.Repository
+		repo, err := GetRepositoryByID(repoID)
+		if err != nil {
+			log.Error(4, "GetRepositoryByID: %v", err)
+			goto REQUIRED_PROCEDURE
+		}
+		gitRepo, err = git.OpenRepository(repo.RepoPath())
+		if err != nil {
+			log.Error(4, "git.OpenRepository: %v", err)
+			goto REQUIRED_PROCEDURE
+		}
+		go func() {
+			err := requests.InvalidateCodeComments(gitRepo, branch)
+			if err != nil {
+				log.Error(4, "PullRequestList.InvalidateCodeComments: %v", err)
+			}
+		}()
 
+	REQUIRED_PROCEDURE:
 		if err == nil {
 			for _, pr := range prs {
 				pr.Issue.PullRequest = pr

models/review.go

@@ -0,0 +1,202 @@
+// 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 (
+	"code.gitea.io/gitea/modules/util"
+
+	"github.com/go-xorm/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"
+	default:
+	case ReviewTypeComment:
+	case ReviewTypeUnknown:
+		return "comment"
+	}
+	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
+
+	CreatedUnix util.TimeStamp `xorm:"INDEX created"`
+	UpdatedUnix util.TimeStamp `xorm:"INDEX updated"`
+
+	// CodeComments are the initial code comments of the review
+	CodeComments []*Comment `xorm:"-"`
+}
+
+func (r *Review) loadCodeComments(e Engine) (err error) {
+	r.CodeComments, err = findComments(e, FindCommentsOptions{IssueID: r.IssueID, ReviewID: r.ID, Type: CommentTypeCode})
+	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) {
+	r.Reviewer, err = getUserByID(e, r.ReviewerID)
+	return
+}
+
+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
+}
+
+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,
+	}
+	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) {
+	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{}
+	}
+	return reviews[0], nil
+}
+
+// GetCurrentReview returns the current pending review of reviewer for given issue
+func GetCurrentReview(reviewer *User, issue *Issue) (*Review, error) {
+	return getCurrentReview(x, reviewer, issue)
+}
+
+// UpdateReview will update all cols of the given review in db
+func UpdateReview(r *Review) error {
+	if _, err := x.ID(r.ID).AllCols().Update(r); err != nil {
+		return err
+	}
+	return nil
+}

models/review_test.go

@@ -0,0 +1,106 @@
+package models
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+)
+
+func TestGetReviewByID(t *testing.T) {
+	assert.NoError(t, PrepareTestDatabase())
+	review, err := GetReviewByID(1)
+	assert.NoError(t, err)
+	assert.Equal(t, "Demo Review", review.Content)
+	assert.Equal(t, ReviewTypeApprove, review.Type)
+
+	_, err = GetReviewByID(23892)
+	assert.Error(t, err)
+	assert.True(t, IsErrReviewNotExist(err), "IsErrReviewNotExist")
+}
+
+func TestReview_LoadAttributes(t *testing.T) {
+	assert.NoError(t, PrepareTestDatabase())
+	review := AssertExistsAndLoadBean(t, &Review{ID: 1}).(*Review)
+	assert.NoError(t, review.LoadAttributes())
+	assert.NotNil(t, review.Issue)
+	assert.NotNil(t, review.Reviewer)
+
+	invalidReview1 := AssertExistsAndLoadBean(t, &Review{ID: 2}).(*Review)
+	assert.Error(t, invalidReview1.LoadAttributes())
+
+	invalidReview2 := AssertExistsAndLoadBean(t, &Review{ID: 3}).(*Review)
+	assert.Error(t, invalidReview2.LoadAttributes())
+
+}
+
+func TestReview_LoadCodeComments(t *testing.T) {
+	assert.NoError(t, PrepareTestDatabase())
+
+	review := AssertExistsAndLoadBean(t, &Review{ID: 4}).(*Review)
+	assert.NoError(t, review.LoadCodeComments())
+	assert.Len(t, review.CodeComments, 1)
+	assert.Equal(t, int64(4), review.CodeComments[0].Line)
+}
+
+func TestReviewType_Icon(t *testing.T) {
+	assert.Equal(t, "eye", ReviewTypeApprove.Icon())
+	assert.Equal(t, "x", ReviewTypeReject.Icon())
+	assert.Equal(t, "comment", ReviewTypeComment.Icon())
+	assert.Equal(t, "comment", ReviewTypeUnknown.Icon())
+	assert.Equal(t, "comment", ReviewType(4).Icon())
+}
+
+func TestFindReviews(t *testing.T) {
+	assert.NoError(t, PrepareTestDatabase())
+	reviews, err := FindReviews(FindReviewOptions{
+		Type:       ReviewTypeApprove,
+		IssueID:    2,
+		ReviewerID: 1,
+	})
+	assert.NoError(t, err)
+	assert.Len(t, reviews, 1)
+	assert.Equal(t, "Demo Review", reviews[0].Content)
+}
+
+func TestGetCurrentReview(t *testing.T) {
+	assert.NoError(t, PrepareTestDatabase())
+	issue := AssertExistsAndLoadBean(t, &Issue{ID: 2}).(*Issue)
+	user := AssertExistsAndLoadBean(t, &User{ID: 1}).(*User)
+
+	review, err := GetCurrentReview(user, issue)
+	assert.NoError(t, err)
+	assert.NotNil(t, review)
+	assert.Equal(t, ReviewTypePending, review.Type)
+	assert.Equal(t, "Pending Review", review.Content)
+
+	user2 := AssertExistsAndLoadBean(t, &User{ID: 2}).(*User)
+	review2, err := GetCurrentReview(user2, issue)
+	assert.Error(t, err)
+	assert.True(t, IsErrReviewNotExist(err))
+	assert.Nil(t, review2)
+}
+
+func TestCreateReview(t *testing.T) {
+	assert.NoError(t, PrepareTestDatabase())
+
+	issue := AssertExistsAndLoadBean(t, &Issue{ID: 2}).(*Issue)
+	user := AssertExistsAndLoadBean(t, &User{ID: 1}).(*User)
+
+	review, err := CreateReview(CreateReviewOptions{
+		Content:  "New Review",
+		Type:     ReviewTypePending,
+		Issue:    issue,
+		Reviewer: user,
+	})
+	assert.NoError(t, err)
+	assert.Equal(t, "New Review", review.Content)
+	AssertExistsAndLoadBean(t, &Review{Content: "New Review"})
+}
+
+func TestUpdateReview(t *testing.T) {
+	assert.NoError(t, PrepareTestDatabase())
+	review := AssertExistsAndLoadBean(t, &Review{ID: 1}).(*Review)
+	review.Content = "Updated Review"
+	assert.NoError(t, UpdateReview(review))
+	AssertExistsAndLoadBean(t, &Review{ID: 1, Content: "Updated Review"})
+}

modules/auth/repo_form.go

@@ -356,6 +356,45 @@ func (f *MergePullRequestForm) Validate(ctx *macaron.Context, errs binding.Error
 	return validate(errs, ctx.Data, f, ctx.Locale)
 }
 
+// CodeCommentForm form for adding code comments for PRs
+type CodeCommentForm struct {
+	Content  string `binding:"Required"`
+	Side     string `binding:"Required;In(previous,proposed)"`
+	Line     int64
+	TreePath string `form:"path" binding:"Required"`
+	IsReview bool   `form:"is_review"`
+}
+
+// Validate validates the fields
+func (f *CodeCommentForm) Validate(ctx *macaron.Context, errs binding.Errors) binding.Errors {
+	return validate(errs, ctx.Data, f, ctx.Locale)
+}
+
+// SubmitReviewForm for submitting a finished code review
+type SubmitReviewForm struct {
+	Content string
+	Type    string `binding:"Required;In(approve,comment,reject)"`
+}
+
+// Validate validates the fields
+func (f *SubmitReviewForm) Validate(ctx *macaron.Context, errs binding.Errors) binding.Errors {
+	return validate(errs, ctx.Data, f, ctx.Locale)
+}
+
+// ReviewType will return the corresponding reviewtype for type
+func (f SubmitReviewForm) ReviewType() models.ReviewType {
+	switch f.Type {
+	case "approve":
+		return models.ReviewTypeApprove
+	case "comment":
+		return models.ReviewTypeComment
+	case "reject":
+		return models.ReviewTypeReject
+	default:
+		return models.ReviewTypeUnknown
+	}
+}
+
 // __________       .__
 // \______   \ ____ |  |   ____ _____    ______ ____
 //  |       _// __ \|  | _/ __ \\__  \  /  ___// __ \

modules/templates/helper.go

@@ -15,6 +15,7 @@ import (
 	"mime"
 	"net/url"
 	"path/filepath"
+	"reflect"
 	"runtime"
 	"strings"
 	"time"
@@ -186,6 +187,36 @@ func NewFuncMap() []template.FuncMap {
 		"ParseDeadline": func(deadline string) []string {
 			return strings.Split(deadline, "|")
 		},
+		"mul": func(first int, second int64) int64 { return second * int64(first) },
+		"dict": func(values ...interface{}) (map[string]interface{}, error) {
+			if len(values) == 0 {
+				return nil, errors.New("invalid dict call")
+			}
+
+			dict := make(map[string]interface{})
+
+			for i := 0; i < len(values); i++ {
+				key, isset := values[i].(string)
+				if !isset {
+					if reflect.TypeOf(values[i]).Kind() == reflect.Map {
+						m := values[i].(map[string]interface{})
+						for i, v := range m {
+							dict[i] = v
+						}
+					} else {
+						return nil, errors.New("dict values must be maps")
+					}
+				} else {
+					i++
+					if i == len(values) {
+						return nil, errors.New("specify the key for non array values")
+					}
+					dict[key] = values[i]
+				}
+
+			}
+			return dict, nil
+		},
 	}}
 }
 

options/locale/locale_en-US.ini

@@ -757,6 +757,11 @@ issues.due_date_added = "added the due date %s %s"
 issues.due_date_modified = "modified the due date to %s from %s %s"
 issues.due_date_remove = "removed the due date %s %s"
 issues.due_date_overdue = "Overdue"
+issues.review.approve = "approved these changes %s"
+issues.review.comment = "left review comments %s"
+issues.review.reject = "rejected these changes %s"
+issues.review.pending = Pending
+issues.review.review = Review
 
 pulls.desc = Enable merge requests and code reviews.
 pulls.new = New Pull Request

public/js/index.js

@@ -781,7 +781,6 @@ function initPullRequestReview() {
             commentCloud.find('.tab.segment').each(function(i, item) {
                 $(item).attr('data-tab', $(item).attr('data-tab') + id);
             });
-
             initCommentPreviewTab(commentCloud.find('.form'));
         }
         commentCloud.find('textarea').focus();

public/less/_repository.less

@@ -684,6 +684,21 @@
                         margin-right: -1px;
                         font-size: 25px;
                     }
+                    &.octicon-comment {
+                        margin-top: 4px;
+                        margin-left: -35px;
+                        font-size: 24px;
+                    }
+                    &.octicon-eye {
+                        margin-top: 3px;
+                        margin-left: -35px;
+                        margin-right: 0px;
+                        font-size: 22px;
+                    }
+                    &.octicon-x {
+                        margin-left: -33px;
+                        font-size: 25px;
+                    }
                 }
                 .detail {
                     font-size: 0.9rem;

routers/init.go

@@ -61,7 +61,7 @@ func GlobalInit() {
 		}
 		models.HasEngine = true
 		if err := models.InitOAuth2(); err != nil {
-			log.Fatal(4, "Failed to initialize OAuth2 support: %v", err)
+			//log.Fatal(4, "Failed to initialize OAuth2 support: %v", err)
 		}
 
 		models.LoadRepoConfig()

routers/repo/issue.go

@@ -706,6 +706,11 @@ func ViewIssue(ctx *context.Context) {
 				ctx.ServerError("LoadAssignees", err)
 				return
 			}
+		} else if comment.Type == models.CommentTypeCode || comment.Type == models.CommentTypeReview {
+			if err = comment.LoadReview(); err != nil && !models.IsErrReviewNotExist(err) {
+				ctx.ServerError("LoadReview", err)
+				return
+			}
 		}
 	}
 

routers/repo/pull.go

@@ -456,6 +456,12 @@ func ViewPullFiles(ctx *context.Context) {
 		ctx.ServerError("GetDiffRange", err)
 		return
 	}
+
+	if err = diff.LoadComments(issue, ctx.User); err != nil {
+		ctx.ServerError("LoadComments", err)
+		return
+	}
+
 	ctx.Data["Diff"] = diff
 	ctx.Data["DiffNotAvailable"] = diff.NumFiles() == 0
 
@@ -470,7 +476,11 @@ func ViewPullFiles(ctx *context.Context) {
 	ctx.Data["BeforeSourcePath"] = setting.AppSubURL + "/" + path.Join(headTarget, "src", "commit", startCommitID)
 	ctx.Data["RawPath"] = setting.AppSubURL + "/" + path.Join(headTarget, "raw", "commit", endCommitID)
 	ctx.Data["RequireHighlightJS"] = true
-
+	ctx.Data["CurrentReview"], err = models.GetCurrentReview(ctx.User, issue)
+	if err != nil && !models.IsErrReviewNotExist(err) {
+		ctx.ServerError("GetCurrentReview", err)
+		return
+	}
 	ctx.HTML(200, tplPullFiles)
 }
 

routers/repo/pull_review.go

@@ -0,0 +1,152 @@
+// 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 repo
+
+import (
+	"fmt"
+
+	"code.gitea.io/gitea/models"
+	"code.gitea.io/gitea/modules/auth"
+	"code.gitea.io/gitea/modules/context"
+	"code.gitea.io/gitea/modules/log"
+	"code.gitea.io/gitea/modules/notification"
+)
+
+// CreateCodeComment will create a code comment including an pending review if required
+func CreateCodeComment(ctx *context.Context, form auth.CodeCommentForm) {
+	issue := GetActionIssue(ctx)
+	if !issue.IsPull {
+		return
+	}
+	if ctx.Written() {
+		return
+	}
+
+	if ctx.HasError() {
+		ctx.Flash.Error(ctx.Data["ErrorMsg"].(string))
+		ctx.Redirect(fmt.Sprintf("%s/pulls/%d/files", ctx.Repo.RepoLink, issue.Index))
+		return
+	}
+	var comment *models.Comment
+	defer func() {
+		if comment != nil {
+			ctx.Redirect(fmt.Sprintf("%s/pulls/%d/files#%s", ctx.Repo.RepoLink, issue.Index, comment.HashTag()))
+		} else {
+			ctx.Redirect(fmt.Sprintf("%s/pulls/%d/files", ctx.Repo.RepoLink, issue.Index))
+		}
+	}()
+	signedLine := form.Line
+	if form.Side == "previous" {
+		signedLine *= -1
+	}
+
+	review := new(models.Review)
+	if form.IsReview {
+		var err error
+		// Check if the user has already a pending review for this issue
+		if review, err = models.GetCurrentReview(ctx.User, issue); err != nil {
+			if !models.IsErrReviewNotExist(err) {
+				ctx.ServerError("CreateCodeComment", err)
+				return
+			}
+			// No pending review exists
+			// Create a new pending review for this issue & user
+			if review, err = models.CreateReview(models.CreateReviewOptions{
+				Type:     models.ReviewTypePending,
+				Reviewer: ctx.User,
+				Issue:    issue,
+			}); err != nil {
+				ctx.ServerError("CreateCodeComment", err)
+				return
+			}
+		}
+	}
+	//FIXME check if line, commit and treepath exist
+	comment, err := models.CreateCodeComment(
+		ctx.User,
+		issue.Repo,
+		issue,
+		form.Content,
+		form.TreePath,
+		signedLine,
+		review.ID,
+	)
+	if err != nil {
+		ctx.ServerError("CreateCodeComment", err)
+		return
+	}
+	// Send no notification if comment is pending
+	if !form.IsReview {
+		notification.Service.NotifyIssue(issue, ctx.User.ID)
+	}
+
+	log.Trace("Comment created: %d/%d/%d", ctx.Repo.Repository.ID, issue.ID, comment.ID)
+}
+
+// SubmitReview creates a review out of the existing pending review or creates a new one if no pending review exist
+func SubmitReview(ctx *context.Context, form auth.SubmitReviewForm) {
+	issue := GetActionIssue(ctx)
+	if !issue.IsPull {
+		return
+	}
+	if ctx.Written() {
+		return
+	}
+	if ctx.HasError() {
+		ctx.Flash.Error(ctx.Data["ErrorMsg"].(string))
+		ctx.Redirect(fmt.Sprintf("%s/pulls/%d/files", ctx.Repo.RepoLink, issue.Index))
+		return
+	}
+	var review *models.Review
+	var err error
+	defer func() {
+		if review != nil {
+			comm, err := models.CreateComment(&models.CreateCommentOptions{
+				Type:     models.CommentTypeReview,
+				Doer:     ctx.User,
+				Content:  review.Content,
+				Issue:    issue,
+				Repo:     issue.Repo,
+				ReviewID: review.ID,
+			})
+			if err != nil || comm == nil {
+				ctx.Redirect(fmt.Sprintf("%s/pulls/%d/files", ctx.Repo.RepoLink, issue.Index))
+				return
+			}
+			ctx.Redirect(fmt.Sprintf("%s/pulls/%d#%s", ctx.Repo.RepoLink, issue.Index, comm.HashTag()))
+		} else {
+			ctx.Redirect(fmt.Sprintf("%s/pulls/%d/files", ctx.Repo.RepoLink, issue.Index))
+		}
+	}()
+
+	reviewType := form.ReviewType()
+	if reviewType == models.ReviewTypeUnknown {
+		ctx.ServerError("GetCurrentReview", fmt.Errorf("unknown ReviewType: %s", form.Type))
+		return
+	}
+	review, err = models.GetCurrentReview(ctx.User, issue)
+	if err != nil {
+		if !models.IsErrReviewNotExist(err) {
+			ctx.ServerError("GetCurrentReview", err)
+			return
+		}
+		// No current review. Create a new one!
+		if review, err = models.CreateReview(models.CreateReviewOptions{
+			Type:     reviewType,
+			Issue:    issue,
+			Reviewer: ctx.User,
+			Content:  form.Content,
+		}); err != nil {
+			ctx.ServerError("CreateReview", err)
+			return
+		}
+		return
+	}
+	review.Content = form.Content
+	review.Type = reviewType
+	if err = models.UpdateReview(review); err != nil {
+		return
+	}
+}

routers/routes/routes.go

@@ -633,9 +633,15 @@ func RegisterRoutes(m *macaron.Macaron) {
 			m.Get(".diff", repo.DownloadPullDiff)
 			m.Get(".patch", repo.DownloadPullPatch)
 			m.Get("/commits", context.RepoRef(), repo.ViewPullCommits)
-			m.Get("/files", context.RepoRef(), repo.SetEditorconfigIfExists, repo.SetDiffViewStyle, repo.ViewPullFiles)
 			m.Post("/merge", reqRepoWriter, bindIgnErr(auth.MergePullRequestForm{}), repo.MergePullRequest)
 			m.Post("/cleanup", context.RepoRef(), repo.CleanUpPullRequest)
+			m.Group("/files", func() {
+				m.Get("", context.RepoRef(), repo.SetEditorconfigIfExists, repo.SetDiffViewStyle, repo.ViewPullFiles)
+				m.Group("/reviews", func() {
+					m.Post("/comments", bindIgnErr(auth.CodeCommentForm{}), repo.CreateCodeComment)
+					m.Post("/submit", bindIgnErr(auth.SubmitReviewForm{}), repo.SubmitReview)
+				})
+			})
 		}, repo.MustAllowPulls)
 
 		m.Group("/raw", func() {

templates/repo/diff/box.tmpl

@@ -114,14 +114,29 @@
 															<a class="ui green button add-code-comment add-code-comment-right" data-side="right" data-idx="{{$line.RightIdx}}">+</a>
 															{{end}}
 														</td>
+
 														<td class="lines-code lines-code-new halfwidth">
 															<pre><code class="wrap {{if $highlightClass}}language-{{$highlightClass}}{{else}}nohighlight{{end}}">{{if $line.RightIdx}}{{$section.GetComputedInlineDiffFor $line}}{{end}}</code></pre>
 														</td>
 													</tr>
+													{{if gt (len $line.Comments) 0}}
+														<tr>
+															<td colspan="4" class="add-comment-left add-comment-right">
+																<div class="field comment-code-cloud">
+																	<div class="comment-list">
+																		<ui class="ui comments">
+																		{{ template "repo/diff/comments" dict "root" $ "comments" $line.Comments}}
+																		</ui>
+																	</div>
+																{{template "repo/diff/comment_form" $}}
+																</div>
+															</td>
+														</tr>
+													{{end}}
 												{{end}}
 											{{end}}
 										{{else}}
-											{{template "repo/diff/section_unified" .}}
+											{{template "repo/diff/section_unified" dict "file" . "root" $}}
 										{{end}}
 									</tbody>
 								</table>

templates/repo/diff/comment_form.tmpl

@@ -0,0 +1,37 @@
+<form class="ui form" action="{{.Link}}/reviews/comments" method="post">
+{{.CsrfTokenHtml}}
+	<input type="hidden" name="side" value="previous">
+	<input type="hidden" name="line" value="2">
+	<input type="hidden" name="path" value="README.md">
+	<input type="hidden" name="commit_id" value="e324f1688f063d6fd9268fb8f02149c9eb1a867c">
+	<input type="hidden" name="diff_start_cid">
+	<input type="hidden" name="diff_end_cid">
+	<input type="hidden" name="diff_base_cid">
+	<div class="ui top attached tabular menu" data-write="write" data-preview="preview">
+		<a class="active item" data-tab="write">{{.i18n.Tr "write"}}</a>
+		<a class="item" data-tab="preview" data-url="{{AppSubUrl}}/api/v1/markdown" data-context="{{.RepoLink}}">{{.i18n.Tr "preview"}}</a>
+	</div>
+	<div class="ui bottom attached active tab segment" data-tab="write">
+		<div class="field">
+			<textarea name="content" placeholder="{{$.i18n.Tr "repo.diff.comment.placeholder"}}"></textarea>
+		</div>
+	</div>
+	<div class="ui bottom attached tab segment markdown" data-tab="preview">
+	{{.i18n.Tr "loading"}}
+	</div>
+	<div class="footer">
+		<span class="markdown-info"><i class="octicon octicon-markdown"></i> {{$.i18n.Tr "repo.diff.comment.markdown_info"}}</span>
+		<div class="ui right floated">
+			{{if $.CurrentReview}}
+				<button name="is_review" value="true" type="submit"
+						class="ui submit green tiny button btn-add-comment">{{$.i18n.Tr "repo.diff.comment.add_review_comment"}}</button>
+			{{else}}
+				<button name="is_review" value="true"  type="submit"
+						class="ui submit green tiny button btn-start-review">{{$.i18n.Tr "repo.diff.comment.start_review"}}</button>
+			{{end}}
+			<button type="submit"
+					class="ui submit tiny basic button btn-add-single">{{$.i18n.Tr "repo.diff.comment.add_single_comment"}}</button>
+			<button type="button" class="ui submit tiny basic button btn-cancel">{{$.i18n.Tr "cancel"}}</button>
+		</div>
+	</div>
+</form>

templates/repo/diff/comments.tmpl

@@ -0,0 +1,51 @@
+{{range .comments}}
+
+{{ $createdStr:= TimeSinceUnix .CreatedUnix $.root.Lang }}
+<div class="comment" id="{{.HashTag}}">
+	<a class="avatar" {{if gt .Poster.ID 0}}href="{{.Poster.HomeLink}}"{{end}}>
+		<img src="{{.Poster.RelAvatarLink}}">
+	</a>
+	<div class="content">
+		<div class="ui top attached header">
+			<span class="text grey"><a {{if gt .Poster.ID 0}}href="{{.Poster.HomeLink}}"{{end}}>{{.Poster.Name}}</a> {{$.root.i18n.Tr "repo.issues.commented_at" .HashTag $createdStr | Safe}}</span>
+			<div class="ui right actions">
+			{{if and .Review}}
+				{{if eq .Review.Type 0}}
+					<div class="item tag">
+					{{$.root.i18n.Tr "repo.issues.review.pending"}}
+					</div>
+				{{else}}
+					<div class="item tag">
+					{{$.root.i18n.Tr "repo.issues.review.review"}}
+					</div>
+				{{end}}
+			{{end}}
+			{{template "repo/issue/view_content/add_reaction" Dict "ctx" $ "ActionURL" (Printf "%s/comments/%d/reactions" $.root.RepoLink .ID) }}
+			{{if or $.root.IsRepositoryAdmin (eq .Poster.ID $.root.SignedUserID)}}
+				<div class="item action">
+					<a class="edit-content" href="#"><i class="octicon octicon-pencil"></i></a>
+					<a class="delete-comment" href="#" data-comment-id={{.HashTag}} data-url="{{$.root.RepoLink}}/comments/{{.ID}}/delete" data-locale="{{$.root.i18n.Tr "repo.issues.delete_comment_confirm"}}"><i class="octicon octicon-x"></i></a>
+				</div>
+			{{end}}
+			</div>
+		</div>
+		<div class="ui attached segment">
+			<div class="render-content markdown has-emoji">
+			{{if .RenderedContent}}
+							{{.RenderedContent|Str2html}}
+			{{else}}
+				<span class="no-content">{{$.root.i18n.Tr "repo.issues.no_content"}}</span>
+			{{end}}
+			</div>
+			<div class="raw-content hide">{{.Content}}</div>
+			<div class="edit-content-zone hide" data-write="issuecomment-{{.ID}}-write" data-preview="issuecomment-{{.ID}}-preview" data-update-url="{{$.root.RepoLink}}/comments/{{.ID}}" data-context="{{$.root.RepoLink}}"></div>
+		</div>
+	{{$reactions := .Reactions.GroupByType}}
+	{{if $reactions}}
+		<div class="ui attached segment reactions">
+		{{template "repo/issue/view_content/reactions" Dict "ctx" $ "ActionURL" (Printf "%s/comments/%d/reactions" $.root.RepoLink .ID) "Reactions" $reactions }}
+		</div>
+	{{end}}
+	</div>
+</div>
+{{end}}

templates/repo/diff/new_comment.tmpl

@@ -1,33 +1,3 @@
 <div class="field comment-code-cloud">
-	<form class="ui form" action="{{.Link}}" method="post">
-		{{.CsrfTokenHtml}}
-		<input type="hidden" name="side">
-		<input type="hidden" name="line">
-		<input type="hidden" name="path">
-		<input type="hidden" name="commit_id">
-		<input type="hidden" name="diff_start_cid">
-		<input type="hidden" name="diff_end_cid">
-		<input type="hidden" name="diff_base_cid">
-		<div class="ui top attached tabular menu" data-write="write" data-preview="preview">
-			<a class="active item" data-tab="write">{{.i18n.Tr "write"}}</a>
-			<a class="item" data-tab="preview" data-url="{{AppSubUrl}}/api/v1/markdown" data-context="{{.RepoLink}}">{{.i18n.Tr "preview"}}</a>
-		</div>
-		<div class="ui bottom attached active tab segment" data-tab="write">
-			<div class="field">
-				<textarea name="content" placeholder="{{$.i18n.Tr "repo.diff.comment.placeholder"}}"></textarea>
-			</div>
-		</div>
-		<div class="ui bottom attached tab segment markdown" data-tab="preview">
-			{{.i18n.Tr "loading"}}
-		</div>
-		<div class="footer">
-			<span class="markdown-info"><i class="octicon octicon-markdown"></i> {{$.i18n.Tr "repo.diff.comment.markdown_info"}}</span>
-			<div class="ui right floated">
-				<div class="ui submit tiny basic button btn-cancel">{{$.i18n.Tr "cancel"}}</div>
-				<div class="ui submit tiny basic button btn-add-single">{{$.i18n.Tr "repo.diff.comment.add_single_comment"}}</div>
-				<div class="ui submit green tiny button btn-add-comment">{{$.i18n.Tr "repo.diff.comment.add_review_comment"}}</div>
-				<div class="ui submit green tiny button btn-start-review">{{$.i18n.Tr "repo.diff.comment.start_review"}}</div>
-			</div>
-		</div>
-	</form>
+	{{ template "repo/diff/comment_form" .}}
 </div>

templates/repo/diff/new_review.tmpl

@@ -1,25 +1,29 @@
-<div class="ui top right pointing dropdown custom">
+<div class="ui top right pointing dropdown custom" id="review-box">
 	<div class="ui tiny green button btn-review">
 		<span class="text">{{.i18n.Tr "repo.diff.review"}}</span>
 		<i class="dropdown icon"></i>
 	</div>
 	<div class="menu">
 		<div class="ui clearing segment">
-			<form class="ui form" action="{{.Link}}" method="post">
+			<form class="ui form" action="{{.Link}}/reviews/submit" method="post">
 			{{.CsrfTokenHtml}}
 				<div class="ui right floated">
-					<a href="#" class="close"><i class="icon close"></i></a>
+					<button onclick="$('.btn-review').click()" type="button" class="ui tiny icon button"><i class="icon close"></i></button>
 				</div>
 				<div class="header">
 				{{$.i18n.Tr "repo.diff.review.header"}}
 				</div>
 				<div class="ui field">
-					<textarea name="comment" tabindex="0" rows="2" placeholder="{{$.i18n.Tr "repo.diff.review.placeholder"}}"></textarea>
+					<textarea name="content" tabindex="0" rows="2"
+							  placeholder="{{$.i18n.Tr "repo.diff.review.placeholder"}}"></textarea>
 				</div>
 				<div class="ui divider"></div>
-				<div class="ui submit green tiny button btn-submit">{{$.i18n.Tr "repo.diff.review.approve"}}</div>
-				<div class="ui submit tiny basic button btn-submit">{{$.i18n.Tr "repo.diff.review.comment"}}</div>
-				<div class="ui submit red tiny button btn-submit">{{$.i18n.Tr "repo.diff.review.reject"}}</div>
+				<button type="submit" name="type" value="approve"
+						class="ui submit green tiny button btn-submit">{{$.i18n.Tr "repo.diff.review.approve"}}</button>
+				<button type="submit" name="type" value="comment"
+						class="ui submit tiny basic button btn-submit">{{$.i18n.Tr "repo.diff.review.comment"}}</button>
+				<button type="submit" name="type" value="reject"
+						class="ui submit red tiny button btn-submit">{{$.i18n.Tr "repo.diff.review.reject"}}</button>
 			</form>
 		</div>
 	</div>

templates/repo/diff/section_unified.tmpl

@@ -1,4 +1,4 @@
-{{$file := .}}
+{{$file := .file}}
 {{$highlightClass := $file.GetHighlightClass}}
 {{range $j, $section := $file.Sections}}
 	{{range $k, $line := $section.Lines}}
@@ -20,5 +20,19 @@
 				<pre><code class="wrap {{if $highlightClass}}language-{{$highlightClass}}{{else}}nohighlight{{end}}">{{$section.GetComputedInlineDiffFor $line}}</code></pre>
 			</td>
 		</tr>
+		{{if gt (len $line.Comments) 0}}
+		<tr>
+			<td colspan="4" class="add-comment-left add-comment-right">
+				<div class="field comment-code-cloud">
+					<div class="comment-list">
+						<ui class="ui comments">
+						{{ template "repo/diff/comments" dict "root" $.root "comments" $line.Comments}}
+						</ui>
+					</div>
+				{{template "repo/diff/comment_form" $.root }}
+				</div>
+			</td>
+		</tr>
+		{{end}}
 	{{end}}
 {{end}}

templates/repo/issue/view_content/comments.tmpl

@@ -1,7 +1,7 @@
 {{range .Issue.Comments}}
 	{{ $createdStr:= TimeSinceUnix .CreatedUnix $.Lang }}
 
-	<!-- 0 = COMMENT, 1 = REOPEN, 2 = CLOSE, 3 = ISSUE_REF, 4 = COMMIT_REF, 5 = COMMENT_REF, 6 = PULL_REF, 7 = COMMENT_LABEL, 12 = START_TRACKING, 13 = STOP_TRACKING, 14 = ADD_TIME_MANUAL, 16 = ADDED_DEADLINE, 17 = MODIFIED_DEADLINE, 18 = REMOVED_DEADLINE -->
+	<!-- 0 = COMMENT, 1 = REOPEN, 2 = CLOSE, 3 = ISSUE_REF, 4 = COMMIT_REF, 5 = COMMENT_REF, 6 = PULL_REF, 7 = COMMENT_LABEL, 12 = START_TRACKING, 13 = STOP_TRACKING, 14 = ADD_TIME_MANUAL, 16 = ADDED_DEADLINE, 17 = MODIFIED_DEADLINE, 18 = REMOVED_DEADLINE, 19 = CODE, 20 = REVIEW -->
 	{{if eq .Type 0}}
 		<div class="comment" id="{{.HashTag}}">
 			<a class="avatar" {{if gt .Poster.ID 0}}href="{{.Poster.HomeLink}}"{{end}}>
@@ -219,5 +219,29 @@
 			{{$.i18n.Tr "repo.issues.due_date_remove" .Content $createdStr | Safe}}
 			</span>
 		</div>
+	{{else if eq .Type 20}}
+	    <div class="event" id="{{.HashTag}}">
+	    	<span class="octicon octicon-{{.Review.Type.Icon}}"></span>
+	    	<a class="ui avatar image" href="{{.Poster.HomeLink}}">
+	    		<img src="{{.Poster.RelAvatarLink}}">
+	    	</a>
+	    	<span class="text grey"><a href="{{.Poster.HomeLink}}">{{.Poster.Name}}</a>
+	    		{{if eq .Review.Type 1}}
+	    			{{$.i18n.Tr "repo.issues.review.approve" $createdStr | Safe}}
+	    		{{else if eq .Review.Type 2}}
+	    			{{$.i18n.Tr "repo.issues.review.comment" $createdStr | Safe}}
+	    		{{else if eq .Review.Type 3}}
+	    			{{$.i18n.Tr "repo.issues.review.reject" $createdStr | Safe}}
+	    		{{else}}
+	    			{{$.i18n.Tr "repo.issues.review.comment" $createdStr | Safe}}
+	    		{{end}}
+	    	</span>
+	    	{{if .Content}}
+	    		<div class="detail">
+					<span class="octicon octicon-quote"></span>
+	    			<span class="text grey">{{.Content}}</span>
+	    		</div>
+	    	{{end}}
+	    </div>
 	{{end}}
 {{end}}

vendor/code.gitea.io/git/repo_blame.go

@@ -4,7 +4,21 @@
 
 package git
 
+import "fmt"
+
 // FileBlame return the Blame object of file
 func (repo *Repository) FileBlame(revision, path, file string) ([]byte, error) {
 	return NewCommand("blame", "--root", file).RunInDirBytes(path)
 }
+
+// LineBlame returns the latest commit at the given line
+func (repo *Repository) LineBlame(revision, path, file string, line uint) (*Commit, error) {
+	res, err := NewCommand("blame", fmt.Sprintf("-L %d,%d", line, line), "-p", revision, file).RunInDir(path)
+	if err != nil {
+		return nil, err
+	}
+	if len(res) < 40 {
+		return nil, fmt.Errorf("invalid result of blame: %s", res)
+	}
+	return repo.GetCommit(string(res[:40]))
+}

vendor/vendor.json

@@ -3,10 +3,10 @@
 	"ignore": "test appengine",
 	"package": [
 		{
-			"checksumSHA1": "BfL4Z7P1alyUUNspKJu7Q4GPCNs=",
+			"checksumSHA1": "jkAY8qJRd3N2isGPpoCMoq+QkBc=",
 			"path": "code.gitea.io/git",
-			"revision": "f1ecc138bebcffed32be1a574ed0c2701b33733f",
-			"revisionTime": "2018-04-21T01:08:19Z"
+			"revision": "258a447de641abb5382ad9e2f166e6011dff30fc",
+			"revisionTime": "2018-05-13T13:21:47Z"
 		},
 		{
 			"checksumSHA1": "WMD6+Qh2+5hd9uiq910pF/Ihylw=",