feat: add bulk email copy for selected members (#230)

Copy selected members' emails to clipboard in 'First Last <email>' format

test/mv_web/member_live/index_test.exs

@@ -249,4 +249,165 @@ defmodule MvWeb.MemberLive.IndexTest do
     # Verify the member was actually deleted from the database
     assert not (Mv.Membership.Member |> Ash.Query.filter(id == ^member.id) |> Ash.exists?())
   end
+
+  describe "copy_emails feature" do
+    setup do
+      # Create test members
+      {:ok, member1} =
+        Mv.Membership.create_member(%{
+          first_name: "Max",
+          last_name: "Mustermann",
+          email: "max@example.com"
+        })
+
+      {:ok, member2} =
+        Mv.Membership.create_member(%{
+          first_name: "Erika",
+          last_name: "Musterfrau",
+          email: "erika@example.com"
+        })
+
+      {:ok, member3} =
+        Mv.Membership.create_member(%{
+          first_name: "Hans",
+          last_name: "Müller-Lüdenscheidt",
+          email: "hans@example.com"
+        })
+
+      %{member1: member1, member2: member2, member3: member3}
+    end
+
+    test "copy_emails event formats selected members correctly", %{
+      conn: conn,
+      member1: member1,
+      member2: member2
+    } do
+      conn = conn_with_oidc_user(conn)
+      {:ok, view, _html} = live(conn, "/members")
+
+      # Select two members
+      view
+      |> element("[phx-click='select_member'][phx-value-id='#{member1.id}']")
+      |> render_click()
+
+      view
+      |> element("[phx-click='select_member'][phx-value-id='#{member2.id}']")
+      |> render_click()
+
+      # Trigger copy_emails event
+      view |> element("#copy-emails-btn") |> render_click()
+
+      # Verify flash message shows correct count
+      assert render(view) =~ "2"
+    end
+
+    test "copy_emails event with no selection shows error flash", %{conn: conn} do
+      conn = conn_with_oidc_user(conn)
+      {:ok, view, _html} = live(conn, "/members")
+
+      # Trigger copy_emails event directly (button not visible when no selection)
+      # This tests the edge case where event is triggered without selection
+      result = render_hook(view, "copy_emails", %{})
+
+      # Should show error flash
+      assert result =~ "No members selected" or result =~ "Keine Mitglieder"
+    end
+
+    test "copy_emails event with all members selected formats all emails", %{
+      conn: conn
+    } do
+      conn = conn_with_oidc_user(conn)
+      {:ok, view, _html} = live(conn, "/members")
+
+      # Select all members via select_all
+      view |> element("[phx-click='select_all']") |> render_click()
+
+      # Trigger copy_emails event
+      view |> element("#copy-emails-btn") |> render_click()
+
+      # Verify flash message shows correct count (3 members)
+      assert render(view) =~ "3"
+    end
+
+    test "copy_emails handles members with special characters in names", %{
+      conn: conn,
+      member3: member3
+    } do
+      conn = conn_with_oidc_user(conn)
+      {:ok, view, _html} = live(conn, "/members")
+
+      # Select member with umlauts
+      view
+      |> element("[phx-click='select_member'][phx-value-id='#{member3.id}']")
+      |> render_click()
+
+      # Trigger copy_emails event - should not crash
+      view |> element("#copy-emails-btn") |> render_click()
+
+      # Verify flash message shows success
+      assert render(view) =~ "1"
+    end
+
+    test "copy_emails handles case where selected members are deleted", %{
+      conn: conn,
+      member1: member1
+    } do
+      conn = conn_with_oidc_user(conn)
+      {:ok, view, _html} = live(conn, "/members")
+
+      # Select a member
+      view
+      |> element("[phx-click='select_member'][phx-value-id='#{member1.id}']")
+      |> render_click()
+
+      # Click copy button - should work correctly
+      view |> element("#copy-emails-btn") |> render_click()
+
+      # Should show count of actual members found (1)
+      assert render(view) =~ "1"
+    end
+
+    test "copy button is not visible when no members are selected", %{conn: conn} do
+      conn = conn_with_oidc_user(conn)
+      {:ok, view, _html} = live(conn, "/members")
+
+      # Ensure no members are selected (default state)
+      refute has_element?(view, "#copy-emails-btn")
+    end
+
+    test "copy button is visible when members are selected", %{
+      conn: conn,
+      member1: member1
+    } do
+      conn = conn_with_oidc_user(conn)
+      {:ok, view, _html} = live(conn, "/members")
+
+      # Select a member
+      view
+      |> element("[phx-click='select_member'][phx-value-id='#{member1.id}']")
+      |> render_click()
+
+      # Button should now be visible
+      assert has_element?(view, "#copy-emails-btn")
+    end
+
+    test "copy button click triggers event and shows flash", %{
+      conn: conn,
+      member1: member1
+    } do
+      conn = conn_with_oidc_user(conn)
+      {:ok, view, _html} = live(conn, "/members")
+
+      # Select a member
+      view
+      |> element("[phx-click='select_member'][phx-value-id='#{member1.id}']")
+      |> render_click()
+
+      # Click copy button
+      view |> element("#copy-emails-btn") |> render_click()
+
+      # Flash message should appear
+      assert has_element?(view, "#flash-group")
+    end
+  end
 end