Fix issue label rendering in the issue popup (#30763)

5 files changed, 36 insertions, 48 deletions

diff --git a/modules/templates/util_render.go b/modules/templates/util_render.go
index 659422aee7..b15de6521d 100644
--- a/modules/templates/util_render.go
+++ b/modules/templates/util_render.go
@@ -121,29 +121,25 @@ func RenderIssueTitle(ctx context.Context, text string, metas map[string]string)
 // RenderLabel renders a label
 // locale is needed due to an import cycle with our context providing the `Tr` function
 func RenderLabel(ctx context.Context, locale translation.Locale, label *issues_model.Label) template.HTML {
-	var (
-		archivedCSSClass string
-		textColor        = util.ContrastColor(label.Color)
-		labelScope       = label.ExclusiveScope()
-	)
-
-	description := emoji.ReplaceAliases(template.HTMLEscapeString(label.Description))
+	var extraCSSClasses string
+	textColor := util.ContrastColor(label.Color)
+	labelScope := label.ExclusiveScope()
+	descriptionText := emoji.ReplaceAliases(label.Description)
 
 	if label.IsArchived() {
-		archivedCSSClass = "archived-label"
-		description = fmt.Sprintf("(%s) %s", locale.TrString("archived"), description)
+		extraCSSClasses = "archived-label"
+		descriptionText = fmt.Sprintf("(%s) %s", locale.TrString("archived"), descriptionText)
 	}
 
 	if labelScope == "" {
 		// Regular label
-		s := fmt.Sprintf("<div class='ui label %s' style='color: %s !important; background-color: %s !important;' data-tooltip-content title='%s'>%s</div>",
-			archivedCSSClass, textColor, label.Color, description, RenderEmoji(ctx, label.Name))
-		return template.HTML(s)
+		return HTMLFormat(`<div class="ui label %s" style="color: %s !important; background-color: %s !important;" data-tooltip-content title="%s">%s</div>`,
+			extraCSSClasses, textColor, label.Color, descriptionText, RenderEmoji(ctx, label.Name))
 	}
 
 	// Scoped label
-	scopeText := RenderEmoji(ctx, labelScope)
-	itemText := RenderEmoji(ctx, label.Name[len(labelScope)+1:])
+	scopeHTML := RenderEmoji(ctx, labelScope)
+	itemHTML := RenderEmoji(ctx, label.Name[len(labelScope)+1:])
 
 	// Make scope and item background colors slightly darker and lighter respectively.
 	// More contrast needed with higher luminance, empirically tweaked.
@@ -171,14 +167,13 @@ func RenderLabel(ctx context.Context, locale translation.Locale, label *issues_m
 	itemColor := "#" + hex.EncodeToString(itemBytes)
 	scopeColor := "#" + hex.EncodeToString(scopeBytes)
 
-	s := fmt.Sprintf("<span class='ui label %s scope-parent' data-tooltip-content title='%s'>"+
-		"<div class='ui label scope-left' style='color: %s !important; background-color: %s !important'>%s</div>"+
-		"<div class='ui label scope-right' style='color: %s !important; background-color: %s !important'>%s</div>"+
-		"</span>",
-		archivedCSSClass, description,
-		textColor, scopeColor, scopeText,
-		textColor, itemColor, itemText)
-	return template.HTML(s)
+	return HTMLFormat(`<span class="ui label %s scope-parent" data-tooltip-content title="%s">`+
+		`<div class="ui label scope-left" style="color: %s !important; background-color: %s !important">%s</div>`+
+		`<div class="ui label scope-right" style="color: %s !important; background-color: %s !important">%s</div>`+
+		`</span>`,
+		extraCSSClasses, descriptionText,
+		textColor, scopeColor, scopeHTML,
+		textColor, itemColor, itemHTML)
 }
 
 // RenderEmoji renders html text with emoji post processors
diff --git a/routers/web/repo/issue.go b/routers/web/repo/issue.go
index de6ef9e93b..0c8363a168 100644
--- a/routers/web/repo/issue.go
+++ b/routers/web/repo/issue.go
@@ -2177,7 +2177,10 @@ func GetIssueInfo(ctx *context.Context) {
 		}
 	}
 
-	ctx.JSON(http.StatusOK, convert.ToIssue(ctx, ctx.Doer, issue))
+	ctx.JSON(http.StatusOK, map[string]any{
+		"convertedIssue": convert.ToIssue(ctx, ctx.Doer, issue),
+		"renderedLabels": templates.RenderLabels(ctx, ctx.Locale, issue.Labels, ctx.Repo.RepoLink, issue),
+	})
 }
 
 // UpdateIssueTitle change issue's title
diff --git a/tests/integration/issue_test.go b/tests/integration/issue_test.go
index 44d362d9c7..b7952b0879 100644
--- a/tests/integration/issue_test.go
+++ b/tests/integration/issue_test.go
@@ -6,6 +6,7 @@ package integration
 import (
 	"context"
 	"fmt"
+	"html/template"
 	"net/http"
 	"net/url"
 	"path"
@@ -573,10 +574,14 @@ func TestGetIssueInfo(t *testing.T) {
 	urlStr := fmt.Sprintf("/%s/%s/issues/%d/info", owner.Name, repo.Name, issue.Index)
 	req := NewRequest(t, "GET", urlStr)
 	resp := session.MakeRequest(t, req, http.StatusOK)
-	var apiIssue api.Issue
-	DecodeJSON(t, resp, &apiIssue)
+	var respStruct struct {
+		ConvertedIssue api.Issue
+		RenderedLabels template.HTML
+	}
+	DecodeJSON(t, resp, &respStruct)
 
-	assert.EqualValues(t, issue.ID, apiIssue.ID)
+	assert.EqualValues(t, issue.ID, respStruct.ConvertedIssue.ID)
+	assert.Contains(t, string(respStruct.RenderedLabels), `"labels-list"`)
 }
 
 func TestUpdateIssueDeadline(t *testing.T) {
diff --git a/web_src/js/components/ContextPopup.vue b/web_src/js/components/ContextPopup.vue
index 65a6089522..e4e8bce184 100644
--- a/web_src/js/components/ContextPopup.vue
+++ b/web_src/js/components/ContextPopup.vue
@@ -1,6 +1,5 @@
 <script>
 import {SvgIcon} from '../svg.js';
-import {contrastColor} from '../utils/color.js';
 import {GET} from '../modules/fetch.js';
 
 const {appSubUrl, i18n} = window.config;
@@ -10,6 +9,7 @@ export default {
   data: () => ({
     loading: false,
     issue: null,
+    renderedLabels: '',
     i18nErrorOccurred: i18n.error_occurred,
     i18nErrorMessage: null,
   }),
@@ -56,14 +56,6 @@ export default {
       }
       return 'red'; // Closed Issue
     },
-
-    labels() {
-      return this.issue.labels.map((label) => ({
-        name: label.name,
-        color: `#${label.color}`,
-        textColor: contrastColor(`#${label.color}`),
-      }));
-    },
   },
   mounted() {
     this.$refs.root.addEventListener('ce-load-context-popup', (e) => {
@@ -79,13 +71,14 @@ export default {
       this.i18nErrorMessage = null;
 
       try {
-        const response = await GET(`${appSubUrl}/${data.owner}/${data.repo}/issues/${data.index}/info`);
+        const response = await GET(`${appSubUrl}/${data.owner}/${data.repo}/issues/${data.index}/info`); // backend: GetIssueInfo
         const respJson = await response.json();
         if (!response.ok) {
           this.i18nErrorMessage = respJson.message ?? i18n.network_error;
           return;
         }
-        this.issue = respJson;
+        this.issue = respJson.convertedIssue;
+        this.renderedLabels = respJson.renderedLabels;
       } catch {
         this.i18nErrorMessage = i18n.network_error;
       } finally {
@@ -102,16 +95,8 @@ export default {
       <p><small>{{ issue.repository.full_name }} on {{ createdAt }}</small></p>
       <p><svg-icon :name="icon" :class="['text', color]"/> <strong>{{ issue.title }}</strong> #{{ issue.number }}</p>
       <p>{{ body }}</p>
-      <div class="labels-list">
-        <div
-          v-for="label in labels"
-          :key="label.name"
-          class="ui label"
-          :style="{ color: label.textColor, backgroundColor: label.color }"
-        >
-          {{ label.name }}
-        </div>
-      </div>
+      <!-- eslint-disable-next-line vue/no-v-html -->
+      <div v-html="renderedLabels"/>
     </div>
     <div v-if="!loading && issue === null">
       <p><small>{{ i18nErrorOccurred }}</small></p>
diff --git a/web_src/js/features/common-issue-list.js b/web_src/js/features/common-issue-list.js
index 0c0f6c563d..219a8a9c9a 100644
--- a/web_src/js/features/common-issue-list.js
+++ b/web_src/js/features/common-issue-list.js
@@ -53,7 +53,7 @@ export function initCommonIssueListQuickGoto() {
     // try to check whether the parsed goto link is valid
     let targetUrl = parseIssueListQuickGotoLink(repoLink, searchText);
     if (targetUrl) {
-      const res = await GET(`${targetUrl}/info`);
+      const res = await GET(`${targetUrl}/info`); // backend: GetIssueInfo, it only checks whether the issue exists by status code
       if (res.status !== 200) targetUrl = '';
     }
     // if the input value has changed, then ignore the result