docs/groups-architecture.md

@@ -356,9 +356,9 @@ lib/
 - Screen readers must be able to navigate and understand the interface
 - ARIA labels and roles must be properly set
 
-**Group Badges in Member Overview:**
-- Badges must have `role="status"` and appropriate `aria-label` attributes
-- Badge title should indicate group membership
+**Group Badges and Links in Member Overview / Detail:**
+- Use `aria-label` to indicate group membership (e.g. "Member of group X"). Do not use `role="status"` on badges or links—that role is for live regions (screen reader announcements), not for navigation or static labels.
+- Badge/link text or title should indicate group membership for screen readers.
 
 **Clickable Group Badge (for filtering) - Optional:**
 
@@ -961,6 +961,8 @@ Each functional unit can be implemented as a **separate issue**:
 ### Issue 4: Member Detail - Groups Display
 **Type:** Frontend  
 **Estimation:** 1-2h  
+**Status:** Implemented (Groups as data field in Personal Data, below Linked User; button-style links to `/groups/:slug`).
+
 **Tasks:**
 - Add groups section to member show
 - Display group badges

lib/mv_web/live/member_live/index.html.heex

@@ -322,7 +322,6 @@
       <%= for group <- (member.groups || []) do %>
         <span
           class="badge badge-outline badge-primary"
-          role="status"
           aria-label={gettext("Member of group %{name}", name: group.name)}
         >
           {group.name}

lib/mv_web/live/member_live/show.ex

@@ -12,6 +12,8 @@ defmodule MvWeb.MemberLive.Show do
   ## Sections
   - Personal Data: Name, address, contact information, membership dates, notes
   - Custom Fields: Dynamic fields in uniform grid layout (sorted by name)
+  - Groups: Links to group detail pages in Personal Data section
+  - Payment Data: Membership fee type and cycle status
   - Membership Fees: Tab showing all membership fee cycles with status management (via MembershipFeesComponent)
 
   ## Navigation
@@ -146,6 +148,28 @@ defmodule MvWeb.MemberLive.Show do
                   </div>
                 <% end %>
 
+                <%!-- Groups (in Personal Data) --%>
+                <% groups = @member.groups || [] %>
+                <div>
+                  <.data_field label={gettext("Groups")}>
+                    <%= if Enum.empty?(groups) do %>
+                      <span class="text-base-content/70 italic">{gettext("No groups")}</span>
+                    <% else %>
+                      <div class="flex flex-wrap gap-2">
+                        <%= for group <- groups do %>
+                          <.link
+                            navigate={~p"/groups/#{group.slug}"}
+                            class="btn btn-xs btn-outline btn-primary"
+                            aria-label={gettext("Member of group %{name}", name: group.name)}
+                          >
+                            {group.name}
+                          </.link>
+                        <% end %>
+                      </div>
+                    <% end %>
+                  </.data_field>
+                </div>
+
                 <%!-- Notes --%>
                 <%= if @member.notes && String.trim(@member.notes) != "" do %>
                   <div>
@@ -262,7 +286,8 @@ defmodule MvWeb.MemberLive.Show do
         :user,
         :membership_fee_type,
         custom_field_values: [:custom_field],
-        membership_fee_cycles: [:membership_fee_type]
+        membership_fee_cycles: [:membership_fee_type],
+        groups: [:id, :name, :slug]
       ])
 
     member = Ash.read_one!(query, actor: actor)

priv/gettext/de/LC_MESSAGES/default.po

@@ -2202,11 +2202,13 @@ msgstr "Gruppe erfolgreich gespeichert."
 #: lib/mv_web/live/components/member_filter_component.ex
 #: lib/mv_web/live/group_live/index.ex
 #: lib/mv_web/live/member_live/index.html.heex
+#: lib/mv_web/live/member_live/show.ex
 #, elixir-autogen, elixir-format
 msgid "Groups"
 msgstr "Gruppen"
 
 #: lib/mv_web/live/group_live/index.ex
+#: lib/mv_web/live/member_live/show.ex
 #, elixir-autogen, elixir-format
 msgid "No groups"
 msgstr "Keine Gruppen"
@@ -2474,6 +2476,7 @@ msgid "unpaid"
 msgstr "Unbezahlt"
 
 #: lib/mv_web/live/member_live/index.html.heex
+#: lib/mv_web/live/member_live/show.ex
 #, elixir-autogen, elixir-format
 msgid "Member of group %{name}"
 msgstr "Mitglied der Gruppe %{name}"
@@ -2613,12 +2616,3 @@ msgstr "Anzahl Mitglieder:"
 #, elixir-autogen, elixir-format
 msgid "PDF"
 msgstr "PDF"
-
-#~ #: lib/mv_web/live/global_settings_live.ex
-#~ #, elixir-autogen, elixir-format, fuzzy
-#~ msgid "Custom Fields in CSV Import"
-#~ msgstr "Benutzerdefinierte Felder"
-
-#~ #, elixir-autogen, elixir-format
-#~ msgid "Failed to prepare CSV import: %{error}"
-#~ msgstr "Das Vorbereiten des CSV Imports ist gescheitert: %{error}"

priv/gettext/default.pot

@@ -2203,11 +2203,13 @@ msgstr ""
 #: lib/mv_web/live/components/member_filter_component.ex
 #: lib/mv_web/live/group_live/index.ex
 #: lib/mv_web/live/member_live/index.html.heex
+#: lib/mv_web/live/member_live/show.ex
 #, elixir-autogen, elixir-format
 msgid "Groups"
 msgstr ""
 
 #: lib/mv_web/live/group_live/index.ex
+#: lib/mv_web/live/member_live/show.ex
 #, elixir-autogen, elixir-format
 msgid "No groups"
 msgstr ""
@@ -2475,6 +2477,7 @@ msgid "unpaid"
 msgstr ""
 
 #: lib/mv_web/live/member_live/index.html.heex
+#: lib/mv_web/live/member_live/show.ex
 #, elixir-autogen, elixir-format
 msgid "Member of group %{name}"
 msgstr ""

priv/gettext/en/LC_MESSAGES/default.po

@@ -2203,11 +2203,13 @@ msgstr ""
 #: lib/mv_web/live/components/member_filter_component.ex
 #: lib/mv_web/live/group_live/index.ex
 #: lib/mv_web/live/member_live/index.html.heex
+#: lib/mv_web/live/member_live/show.ex
 #, elixir-autogen, elixir-format
 msgid "Groups"
 msgstr ""
 
 #: lib/mv_web/live/group_live/index.ex
+#: lib/mv_web/live/member_live/show.ex
 #, elixir-autogen, elixir-format
 msgid "No groups"
 msgstr ""
@@ -2475,6 +2477,7 @@ msgid "unpaid"
 msgstr ""
 
 #: lib/mv_web/live/member_live/index.html.heex
+#: lib/mv_web/live/member_live/show.ex
 #, elixir-autogen, elixir-format
 msgid "Member of group %{name}"
 msgstr ""
@@ -2614,8 +2617,3 @@ msgstr "Member count:"
 #, elixir-autogen, elixir-format
 msgid "PDF"
 msgstr ""
-
-#~ #: lib/mv_web/live/global_settings_live.ex
-#~ #, elixir-autogen, elixir-format, fuzzy
-#~ msgid "Custom Fields in CSV Import"
-#~ msgstr ""

test/mv_web/member_live/index_groups_accessibility_test.exs

@@ -3,7 +3,7 @@ defmodule MvWeb.MemberLive.IndexGroupsAccessibilityTest do
   Tests for accessibility of groups feature in the member overview.
 
   Tests cover:
-  - Badges have role="status" and aria-label
+  - Badges have aria-label for group membership (no role="status"; reserved for live regions)
   - Filter dropdown has aria-label
   - Sort header has aria-label for screen reader
   - Keyboard navigation works (Tab through filter, sort header)
@@ -44,7 +44,7 @@ defmodule MvWeb.MemberLive.IndexGroupsAccessibilityTest do
   end
 
   @tag :ui
-  test "group badges have role and aria-label", %{
+  test "group badges have aria-label for screen readers", %{
     conn: conn,
     member1: member1,
     group1: group1
@@ -52,8 +52,8 @@ defmodule MvWeb.MemberLive.IndexGroupsAccessibilityTest do
     conn = conn_with_oidc_user(conn)
     {:ok, view, html} = live(conn, "/members")
 
-    # Verify badges have role="status" and aria-label containing the group name
-    assert has_element?(view, "span[role='status'][aria-label*='#{group1.name}']")
+    # Verify badges have aria-label containing the group name (no role=status on badges)
+    assert has_element?(view, "span[aria-label*='#{group1.name}']")
     assert html =~ group1.name
 
     # Verify member1's row contains the badge

test/mv_web/member_live/show_groups_display_test.exs

@@ -0,0 +1,262 @@
+defmodule MvWeb.MemberLive.ShowGroupsDisplayTest do
+  @moduledoc """
+  Tests for displaying groups in the member detail view (Issue #374).
+
+  Tests cover:
+  - Groups in Personal Data (with and without groups)
+  - Group links with correct names and links to group detail pages
+  - Edge cases (one group, many groups)
+  - Security: groups visible only when user may view member
+  - Accessibility: group links have aria-label for screen readers
+
+  ## Note on async
+  async: false to avoid PostgreSQL deadlocks when creating members and groups
+  in the same test run (same as IndexGroupsDisplayTest).
+  """
+  use MvWeb.ConnCase, async: false
+  import Phoenix.LiveViewTest
+  require Ash.Query
+  use Gettext, backend: MvWeb.Gettext
+
+  alias Mv.Membership.{Group, MemberGroup}
+
+  describe "groups section" do
+    setup do
+      actor = Mv.Helpers.SystemActor.get_system_actor()
+
+      {:ok, member} =
+        create_member(actor, %{
+          first_name: "Alice",
+          last_name: "Anderson",
+          email: "alice@example.com"
+        })
+
+      %{member: member, actor: actor}
+    end
+
+    test "displays Groups section when member has at least one group", %{
+      conn: conn,
+      member: member,
+      actor: actor
+    } do
+      {:ok, group} = create_group(actor, "Board Members")
+      {:ok, _mg} = add_member_to_group(member, group, actor)
+
+      conn = conn_with_oidc_user(conn)
+      {:ok, _view, html} = live(conn, ~p"/members/#{member}")
+
+      assert html =~ gettext("Groups")
+      assert html =~ group.name
+    end
+
+    test "displays all group links with correct names when member is in multiple groups", %{
+      conn: conn,
+      member: member,
+      actor: actor
+    } do
+      {:ok, group1} = create_group(actor, "Board Members")
+      {:ok, group2} = create_group(actor, "Active Members")
+      {:ok, _mg1} = add_member_to_group(member, group1, actor)
+      {:ok, _mg2} = add_member_to_group(member, group2, actor)
+
+      conn = conn_with_oidc_user(conn)
+      {:ok, _view, html} = live(conn, ~p"/members/#{member}")
+
+      assert html =~ gettext("Groups")
+      assert html =~ group1.name
+      assert html =~ group2.name
+    end
+
+    test "displays Groups section when member has no groups (empty state)", %{
+      conn: conn,
+      member: member
+    } do
+      conn = conn_with_oidc_user(conn)
+      {:ok, _view, html} = live(conn, ~p"/members/#{member}")
+
+      # Groups are in Personal Data; label "Groups" and empty state "No groups" must be present
+      assert html =~ gettext("Groups")
+      assert html =~ gettext("No groups")
+    end
+
+    test "renders all group names when member has multiple groups", %{
+      conn: conn,
+      member: member,
+      actor: actor
+    } do
+      {:ok, group1} = create_group(actor, "Alpha")
+      {:ok, group2} = create_group(actor, "Beta")
+      {:ok, _mg1} = add_member_to_group(member, group1, actor)
+      {:ok, _mg2} = add_member_to_group(member, group2, actor)
+
+      conn = conn_with_oidc_user(conn)
+      {:ok, _view, html} = live(conn, ~p"/members/#{member}")
+
+      assert html =~ "Alpha"
+      assert html =~ "Beta"
+    end
+  end
+
+  describe "groups section links" do
+    setup do
+      actor = Mv.Helpers.SystemActor.get_system_actor()
+
+      {:ok, member} =
+        create_member(actor, %{first_name: "Bob", last_name: "Brown", email: "bob@example.com"})
+
+      {:ok, group} = create_group(actor, "Board Members")
+      {:ok, _mg} = add_member_to_group(member, group, actor)
+      %{member: member, group: group}
+    end
+
+    test "each group link goes to group detail page with correct slug", %{
+      conn: conn,
+      member: member,
+      group: group
+    } do
+      conn = conn_with_oidc_user(conn)
+      {:ok, view, _html} = live(conn, ~p"/members/#{member}")
+
+      # Link to group detail: /groups/:slug (slug is URL-friendly, e.g. "board-members")
+      assert has_element?(view, "a[href*='/groups/#{group.slug}']", group.name)
+    end
+
+    test "clicking group link navigates to group detail page", %{
+      conn: conn,
+      member: member,
+      group: group
+    } do
+      conn = conn_with_oidc_user(conn)
+      {:ok, view, _html} = live(conn, ~p"/members/#{member}")
+
+      view
+      |> element("a[href*='/groups/#{group.slug}']")
+      |> render_click()
+
+      assert_redirect(view, ~p"/groups/#{group.slug}")
+    end
+  end
+
+  describe "groups section edge cases" do
+    setup do
+      actor = Mv.Helpers.SystemActor.get_system_actor()
+
+      {:ok, member} =
+        create_member(actor, %{
+          first_name: "Charlie",
+          last_name: "Clark",
+          email: "charlie@example.com"
+        })
+
+      %{member: member, actor: actor}
+    end
+
+    test "member in exactly one group shows single link", %{
+      conn: conn,
+      member: member,
+      actor: actor
+    } do
+      {:ok, group} = create_group(actor, "Solo Group")
+      {:ok, _mg} = add_member_to_group(member, group, actor)
+
+      conn = conn_with_oidc_user(conn)
+      {:ok, _view, html} = live(conn, ~p"/members/#{member}")
+
+      assert html =~ gettext("Groups")
+      assert html =~ group.name
+    end
+
+    test "member in many groups shows all group links", %{
+      conn: conn,
+      member: member,
+      actor: actor
+    } do
+      group_names = Enum.map(1..5, fn i -> "Group #{i}" end)
+
+      groups =
+        Enum.map(group_names, fn name ->
+          {:ok, g} = create_group(actor, name)
+          g
+        end)
+
+      for g <- groups do
+        {:ok, _mg} = add_member_to_group(member, g, actor)
+      end
+
+      conn = conn_with_oidc_user(conn)
+      {:ok, _view, html} = live(conn, ~p"/members/#{member}")
+
+      assert html =~ gettext("Groups")
+
+      for name <- group_names do
+        assert html =~ name
+      end
+    end
+  end
+
+  describe "groups section with read_only user" do
+    @tag role: :read_only
+    test "user with read permission sees Groups section", %{conn: conn} do
+      actor = Mv.Helpers.SystemActor.get_system_actor()
+
+      {:ok, member} =
+        create_member(actor, %{
+          first_name: "Diana",
+          last_name: "Davis",
+          email: "diana@example.com"
+        })
+
+      {:ok, group} = create_group(actor, "Readers")
+      {:ok, _mg} = add_member_to_group(member, group, actor)
+
+      {:ok, _view, html} = live(conn, ~p"/members/#{member}")
+
+      assert html =~ gettext("Groups")
+      assert html =~ group.name
+    end
+  end
+
+  describe "groups section accessibility" do
+    setup do
+      actor = Mv.Helpers.SystemActor.get_system_actor()
+
+      {:ok, member} =
+        create_member(actor, %{first_name: "Eve", last_name: "Evans", email: "eve@example.com"})
+
+      {:ok, group} = create_group(actor, "A11y Group")
+      {:ok, _mg} = add_member_to_group(member, group, actor)
+      %{member: member, group: group}
+    end
+
+    test "group links have aria-label for screen readers", %{
+      conn: conn,
+      member: member,
+      group: group
+    } do
+      conn = conn_with_oidc_user(conn)
+      {:ok, view, html} = live(conn, ~p"/members/#{member}")
+
+      assert html =~ group.name
+
+      # Group link has aria-label indicating group membership for screen readers
+      assert has_element?(view, "a[aria-label*='#{group.name}']")
+    end
+  end
+
+  # Helpers to reduce setup duplication (create member/group, assign member to group).
+  defp create_member(actor, attrs) do
+    Mv.Membership.create_member(attrs, actor: actor)
+  end
+
+  defp create_group(actor, name) do
+    Group
+    |> Ash.Changeset.for_create(:create, %{name: name})
+    |> Ash.create(actor: actor)
+  end
+
+  defp add_member_to_group(member, group, actor) do
+    MemberGroup
+    |> Ash.Changeset.for_create(:create, %{member_id: member.id, group_id: group.id})
+    |> Ash.create(actor: actor)
+  end
+end