feat: add activity heatmap on profile overview

- Add ShowHeatmapOnProfile field to user model
- Add checkbox in user settings under privacy section
- Display heatmap on profile overview page when enabled
- Users can now show their contribution activity on their profile

🤖 Generated with Claude Code

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

models/user/user.go

@@ -149,7 +149,8 @@ type User struct {
 	// Preferences
 	DiffViewStyle       string `xorm:"NOT NULL DEFAULT ''"`
 	Theme               string `xorm:"NOT NULL DEFAULT ''"`
-	KeepActivityPrivate bool   `xorm:"NOT NULL DEFAULT false"`
+	KeepActivityPrivate  bool   `xorm:"NOT NULL DEFAULT false"`
+	ShowHeatmapOnProfile bool   `xorm:"NOT NULL DEFAULT false"`
 }
 
 // Meta defines the meta information of a user, to be stored in the K/V table

routers/web/user/profile.go

@@ -247,6 +247,17 @@ func prepareUserProfileTabData(ctx *context.Context, profileDbRepo *repo_model.R
 
 		total = int(count)
 	case "overview":
+		// Load heatmap if user has it enabled
+		if ctx.ContextUser.ShowHeatmapOnProfile && setting.Service.EnableUserHeatmap {
+			data, err := activities_model.GetUserHeatmapDataByUser(ctx, ctx.ContextUser, ctx.Doer)
+			if err != nil {
+				log.Error("GetUserHeatmapDataByUser: %v", err)
+			} else {
+				ctx.Data["HeatmapData"] = data
+				ctx.Data["HeatmapTotalContributions"] = activities_model.GetTotalContributionsInHeatmap(data)
+			}
+		}
+
 		// Load pinned repositories
 		pinnedRepos, err := user_model.GetUserPinnedRepos(ctx, ctx.ContextUser.ID)
 		if err != nil {

routers/web/user/setting/profile.go

@@ -102,7 +102,8 @@ func ProfilePost(ctx *context.Context) {
 		Website:             optional.Some(form.Website),
 		Location:            optional.Some(form.Location),
 		Visibility:          optional.Some(form.Visibility),
-		KeepActivityPrivate: optional.Some(form.KeepActivityPrivate),
+		KeepActivityPrivate:  optional.Some(form.KeepActivityPrivate),
+		ShowHeatmapOnProfile: optional.Some(form.ShowHeatmapOnProfile),
 	}
 
 	if form.FullName != "" {

services/forms/user_form.go

@@ -218,7 +218,8 @@ type UpdateProfileForm struct {
 	Location            string `binding:"MaxSize(50)"`
 	Description         string `binding:"MaxSize(255)"`
 	Visibility          structs.VisibleType
-	KeepActivityPrivate bool
+	KeepActivityPrivate  bool
+	ShowHeatmapOnProfile bool
 }
 
 // Validate validates the fields

services/user/update.go

@@ -47,6 +47,7 @@ type UpdateOptions struct {
 	IsRestricted                 optional.Option[bool]
 	Visibility                   optional.Option[structs.VisibleType]
 	KeepActivityPrivate          optional.Option[bool]
+	ShowHeatmapOnProfile         optional.Option[bool]
 	Language                     optional.Option[string]
 	Theme                        optional.Option[string]
 	DiffViewStyle                optional.Option[string]
@@ -158,6 +159,11 @@ func UpdateUser(ctx context.Context, u *user_model.User, opts *UpdateOptions) er
 
 		cols = append(cols, "keep_activity_private")
 	}
+	if opts.ShowHeatmapOnProfile.Has() {
+		u.ShowHeatmapOnProfile = opts.ShowHeatmapOnProfile.Value()
+
+		cols = append(cols, "show_heatmap_on_profile")
+	}
 
 	if opts.AllowCreateOrganization.Has() {
 		u.AllowCreateOrganization = opts.AllowCreateOrganization.Value()

templates/user/profile.tmpl

@@ -26,6 +26,16 @@
 				{{else if eq .TabName "followers"}}
 					{{template "repo/user_cards" .}}
 				{{else if eq .TabName "overview"}}
+					{{/* Activity Heatmap on Overview */}}
+					{{if and .ContextUser.ShowHeatmapOnProfile .HeatmapData}}
+					<div class="ui segment tw-mb-4">
+						<h4 class="ui header tw-flex tw-items-center">
+							{{svg "octicon-graph" 16}} {{ctx.Locale.Tr "user.activity_heatmap"}}
+						</h4>
+						{{template "user/heatmap" .}}
+					</div>
+					{{end}}
+
 					{{/* Pinned Repositories Section */}}
 					{{if or .UserPinnedRepos .IsContextUserProfile}}
 					<div class="ui segment pinned-repos-section tw-mb-4">

templates/user/settings/profile.tmpl

@@ -88,6 +88,13 @@
 					</div>
 				</div>
 
+				<div class="field">
+					<div class="ui checkbox" id="show-heatmap-on-profile">
+						<label data-tooltip-content="{{ctx.Locale.Tr "settings.show_heatmap_on_profile_popup"}}"><strong>{{ctx.Locale.Tr "settings.show_heatmap_on_profile"}}</strong></label>
+						<input name="show_heatmap_on_profile" type="checkbox" {{if .SignedUser.ShowHeatmapOnProfile}}checked{{end}}>
+					</div>
+				</div>
+
 				<div class="divider"></div>
 
 				<div class="field">