Improved comment rendering in "Files" view by adding Comments to DiffLine

Signed-off-by: Jonas Franz <info@jonasfranz.software>

models/fixtures/comment.yml

@@ -30,3 +30,12 @@
   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/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)
+}

options/locale/locale_en-US.ini

@@ -761,6 +761,7 @@ 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

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/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
 
@@ -470,13 +476,6 @@ 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
-
-	pathToLineToComment, err := models.FetchCodeComments(issue, ctx.User)
-	if err != nil {
-		ctx.ServerError("FetchCodeComments", err)
-		return
-	}
-	ctx.Data["CodeComments"] = pathToLineToComment
 	ctx.Data["CurrentReview"], err = models.GetCurrentReview(ctx.User, issue)
 	if err != nil && !models.IsErrReviewNotExist(err) {
 		ctx.ServerError("GetCurrentReview", err)

templates/repo/diff/box.tmpl

@@ -114,26 +114,29 @@
 															<a class="ui green button add-code-comment add-code-comment-right" data-side="right" data-idx="{{$line.RightIdx}}">+</a>
 															{{end}}
 														</td>
-													    {{if index $.CodeComments $file.Name (mul $line.LeftIdx -1)}}
-														    <td 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" (index $.CodeComments $file.Name (mul $line.LeftIdx -1))}}
-																	    </ui>
-																    </div>
-															    {{template "repo/diff/comment_form" $}}
-															    </div>
-														    </td>
-													    {{end}}
+
 														<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/comments.tmpl

@@ -9,10 +9,16 @@
 		<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 $createdStr | Safe}}</span>
 			<div class="ui right actions">
-			{{if eq .Review.Type 0}}
-				<div class="item warning tag">
-						{{$.root.i18n.Tr "repo.issues.review.pending"}}
-				</div>
+			{{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)}}

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}}