feat: adds pdf export with imprintor

lib/mv_web/components/core_components.ex

@@ -151,9 +151,17 @@ defmodule MvWeb.CoreComponents do
   ## Examples
 
       <.dropdown_menu items={@items} open={@open} phx_target={@myself} />
+
+  When using custom content (e.g., forms), use the inner_block slot:
+
+      <.dropdown_menu button_label="Export" icon="hero-arrow-down-tray" open={@open} phx_target={@myself}>
+        <li role="none">
+          <form>...</form>
+        </li>
+      </.dropdown_menu>
   """
   attr :id, :string, default: "dropdown-menu"
-  attr :items, :list, required: true, doc: "List of %{label: string, value: any} maps"
+  attr :items, :list, default: [], doc: "List of %{label: string, value: any} maps"
   attr :button_label, :string, default: "Dropdown"
   attr :icon, :string, default: nil
   attr :checkboxes, :boolean, default: false
@@ -161,8 +169,20 @@ defmodule MvWeb.CoreComponents do
   attr :open, :boolean, default: false, doc: "Whether the dropdown is open"
   attr :show_select_buttons, :boolean, default: false, doc: "Show select all/none buttons"
   attr :phx_target, :any, required: true, doc: "The LiveView/LiveComponent target for events"
+  attr :menu_class, :string, default: nil, doc: "Additional CSS classes for the menu"
+  attr :menu_width, :string, default: "w-64", doc: "Width class for the menu (default: w-64)"
+  attr :button_class, :string, default: nil, doc: "Additional CSS classes for the button (e.g., btn-secondary)"
+  attr :menu_align, :string, default: "right", doc: "Menu alignment: 'left' or 'right' (default: right)"
+  attr :testid, :string, default: "dropdown-menu", doc: "data-testid for the dropdown container"
+  attr :button_testid, :string, default: "dropdown-button", doc: "data-testid for the button"
+  attr :menu_testid, :string, default: nil, doc: "data-testid for the menu (defaults to testid + '-menu')"
+
+  slot :inner_block, doc: "Custom content for the dropdown menu (e.g., forms)"
 
   def dropdown_menu(assigns) do
+    menu_testid = assigns.menu_testid || "#{assigns.testid}-menu"
+    assigns = assign(assigns, :menu_testid, menu_testid)
+
     ~H"""
     <div
       class="relative"
@@ -170,7 +190,7 @@ defmodule MvWeb.CoreComponents do
       phx-target={@phx_target}
       phx-window-keydown="close_dropdown"
       phx-key="Escape"
-      data-testid="dropdown-menu"
+      data-testid={@testid}
     >
       <button
         type="button"
@@ -180,10 +200,10 @@ defmodule MvWeb.CoreComponents do
         aria-expanded={@open}
         aria-controls={@id}
         aria-label={@button_label}
-        class="btn focus:outline-none focus-visible:ring-2 focus-visible:ring-offset-2 focus-visible:ring-base-content/20"
+        class={["btn", "focus:outline-none", "focus-visible:ring-2", "focus-visible:ring-offset-2", "focus-visible:ring-base-content/20", @button_class]}
         phx-click="toggle_dropdown"
         phx-target={@phx_target}
-        data-testid="dropdown-button"
+        data-testid={@button_testid}
       >
         <%= if @icon do %>
           <.icon name={@icon} />
@@ -195,69 +215,79 @@ defmodule MvWeb.CoreComponents do
         :if={@open}
         id={@id}
         role="menu"
-        class="absolute right-0 mt-2 bg-base-100 z-[100] p-2 shadow-lg rounded-box w-64 max-h-96 overflow-y-auto border border-base-300"
+        class={[
+          "absolute mt-2 bg-base-100 z-[100] p-2 shadow-lg rounded-box max-h-96 overflow-y-auto border border-base-300",
+          if(@menu_align == "left", do: "left-0", else: "right-0"),
+          @menu_width,
+          @menu_class
+        ]}
         tabindex="0"
         phx-target={@phx_target}
+        data-testid={@menu_testid}
       >
-        <li :if={@show_select_buttons} role="none">
-          <div class="flex justify-between items-center mb-2 px-2">
-            <span class="font-semibold">{gettext("Options")}</span>
-            <div class="flex gap-1">
-              <button
-                type="button"
-                role="menuitem"
-                aria-label={gettext("Select all")}
-                phx-click="select_all"
-                phx-target={@phx_target}
-                class="btn btn-xs btn-ghost"
-              >
-                {gettext("All")}
-              </button>
-              <button
-                type="button"
-                role="menuitem"
-                aria-label={gettext("Select none")}
-                phx-click="select_none"
-                phx-target={@phx_target}
-                class="btn btn-xs btn-ghost"
-              >
-                {gettext("None")}
-              </button>
+        <%= if assigns.inner_block != [] do %>
+          {render_slot(@inner_block)}
+        <% else %>
+          <li :if={@show_select_buttons} role="none">
+            <div class="flex justify-between items-center mb-2 px-2">
+              <span class="font-semibold">{gettext("Options")}</span>
+              <div class="flex gap-1">
+                <button
+                  type="button"
+                  role="menuitem"
+                  aria-label={gettext("Select all")}
+                  phx-click="select_all"
+                  phx-target={@phx_target}
+                  class="btn btn-xs btn-ghost"
+                >
+                  {gettext("All")}
+                </button>
+                <button
+                  type="button"
+                  role="menuitem"
+                  aria-label={gettext("Select none")}
+                  phx-click="select_none"
+                  phx-target={@phx_target}
+                  class="btn btn-xs btn-ghost"
+                >
+                  {gettext("None")}
+                </button>
+              </div>
             </div>
-          </div>
-        </li>
-
-        <li :if={@show_select_buttons} role="separator" class="divider my-1"></li>
-
-        <%= for item <- @items do %>
-          <li role="none">
-            <button
-              type="button"
-              role={if @checkboxes, do: "menuitemcheckbox", else: "menuitem"}
-              aria-label={item.label}
-              aria-checked={
-                if @checkboxes, do: to_string(Map.get(@selected, item.value, true)), else: nil
-              }
-              tabindex="0"
-              class="flex items-center gap-2 px-2 py-1 rounded cursor-pointer hover:bg-base-200 w-full text-left focus:outline-none focus-visible:ring-2 focus-visible:ring-base-content/20 focus-visible:ring-inset"
-              phx-click="select_item"
-              phx-keydown="select_item"
-              phx-key="Enter"
-              phx-value-item={item.value}
-              phx-target={@phx_target}
-            >
-              <%= if @checkboxes do %>
-                <input
-                  type="checkbox"
-                  checked={Map.get(@selected, item.value, true)}
-                  class="checkbox checkbox-sm checkbox-primary pointer-events-none"
-                  tabindex="-1"
-                  aria-hidden="true"
-                />
-              <% end %>
-              <span>{item.label}</span>
-            </button>
           </li>
+
+          <li :if={@show_select_buttons} role="separator" class="divider my-1"></li>
+
+          <%= for item <- @items do %>
+            <li role="none">
+              <button
+                type="button"
+                role={if @checkboxes, do: "menuitemcheckbox", else: "menuitem"}
+                aria-label={item.label}
+                aria-checked={
+                  if @checkboxes, do: to_string(Map.get(@selected, item.value, true)), else: nil
+                }
+                tabindex="0"
+                class="flex items-center gap-2 px-2 py-1 rounded cursor-pointer hover:bg-base-200 w-full text-left focus:outline-none focus-visible:ring-2 focus-visible:ring-base-content/20 focus-visible:ring-inset"
+                phx-click="select_item"
+                phx-keydown="select_item"
+                phx-key="Enter"
+                phx-value-item={item.value}
+                phx-target={@phx_target}
+              >
+                <%= if @checkboxes do %>
+                  <input
+                    type="checkbox"
+                    checked={Map.get(@selected, item.value, true)}
+                    class="checkbox checkbox-sm checkbox-primary pointer-events-none"
+                    tabindex="-1"
+                    aria-hidden="true"
+                  />
+                <% end %>
+                <span>{item.label}</span>
+              </button>
+            </li>
+          <% end %>
         <% end %>
       </ul>
     </div>

lib/mv_web/components/export_dropdown.ex

@@ -0,0 +1,97 @@
+defmodule MvWeb.Components.ExportDropdown do
+  @moduledoc """
+  Export dropdown component for member export (CSV/PDF).
+
+  Provides an accessible dropdown menu with CSV and PDF export options.
+  Uses the same export payload as the previous single-button export.
+  """
+  use MvWeb, :live_component
+  use Gettext, backend: MvWeb.Gettext
+
+  @impl true
+  def mount(socket) do
+    {:ok, assign(socket, :open, false)}
+  end
+
+  @impl true
+  def update(assigns, socket) do
+    socket =
+      socket
+      |> assign(:id, assigns.id)
+      |> assign(:export_payload_json, assigns[:export_payload_json] || "")
+      |> assign(:selected_count, assigns[:selected_count] || 0)
+
+    {:ok, socket}
+  end
+
+  @impl true
+  def render(assigns) do
+    button_label =
+      gettext("Export") <>
+        " (" <>
+        (if assigns.selected_count == 0, do: gettext("all"), else: to_string(assigns.selected_count)) <>
+        ")"
+
+    assigns = assign(assigns, :button_label, button_label)
+
+    ~H"""
+    <div id={@id} data-testid="export-dropdown">
+      <.dropdown_menu
+        id={"#{@id}-menu"}
+        button_label={@button_label}
+        icon="hero-arrow-down-tray"
+        open={@open}
+        phx_target={@myself}
+        menu_width="w-48"
+        menu_align="left"
+        button_class="btn-secondary gap-2"
+        testid="export-dropdown"
+        button_testid="export-dropdown-button"
+        menu_testid="export-dropdown-menu"
+      >
+        <li role="none">
+          <form method="post" action={~p"/members/export.csv"} target="_blank" class="w-full">
+            <input type="hidden" name="_csrf_token" value={Plug.CSRFProtection.get_csrf_token()} />
+            <input type="hidden" name="payload" value={@export_payload_json} />
+            <button
+              type="submit"
+              role="menuitem"
+              class="flex items-center gap-2 px-2 py-1 rounded cursor-pointer hover:bg-base-200 w-full text-left focus:outline-none focus-visible:ring-2 focus-visible:ring-base-content/20 focus-visible:ring-inset"
+              aria-label={gettext("Export members to CSV")}
+              data-testid="export-csv-link"
+            >
+              <.icon name="hero-document-arrow-down" class="h-4 w-4" />
+              <span>{gettext("CSV")}</span>
+            </button>
+          </form>
+        </li>
+        <li role="none">
+          <form method="post" action={~p"/members/export.pdf"} target="_blank" class="w-full">
+            <input type="hidden" name="_csrf_token" value={Plug.CSRFProtection.get_csrf_token()} />
+            <input type="hidden" name="payload" value={@export_payload_json} />
+            <button
+              type="submit"
+              role="menuitem"
+              class="flex items-center gap-2 px-2 py-1 rounded cursor-pointer hover:bg-base-200 w-full text-left focus:outline-none focus-visible:ring-2 focus-visible:ring-base-content/20 focus-visible:ring-inset"
+              aria-label={gettext("Export members to PDF")}
+              data-testid="export-pdf-link"
+            >
+              <.icon name="hero-document-text" class="h-4 w-4" />
+              <span>{gettext("PDF")}</span>
+            </button>
+          </form>
+        </li>
+      </.dropdown_menu>
+    </div>
+    """
+  end
+
+  @impl true
+  def handle_event("toggle_dropdown", _params, socket) do
+    {:noreply, assign(socket, :open, !socket.assigns.open)}
+  end
+
+  def handle_event("close_dropdown", _params, socket) do
+    {:noreply, assign(socket, :open, false)}
+  end
+end

lib/mv_web/controllers/member_pdf_export_controller.ex

@@ -0,0 +1,144 @@
+defmodule MvWeb.MemberPdfExportController do
+  @moduledoc """
+  PDF export for members.
+
+  Expects `payload` as JSON string form param.
+  Uses the same actor/permissions as the member overview.
+  """
+
+  use MvWeb, :controller
+
+  require Logger
+
+  alias Mv.Authorization.Actor
+  alias Mv.Membership.{MemberExport, MemberExport.Build, MembersPDF}
+  alias MvWeb.Translations.MemberFields
+
+  use Gettext, backend: MvWeb.Gettext
+
+  @payload_required_message "payload required"
+  @invalid_json_message "invalid JSON"
+  @export_failed_message "Failed to generate PDF export"
+
+  @allowed_member_field_strings Mv.Constants.member_fields() |> Enum.map(&Atom.to_string/1)
+
+  def export(conn, %{"payload" => payload}) when is_binary(payload) do
+    actor = current_actor(conn)
+
+    cond do
+      is_nil(actor) ->
+        forbidden(conn)
+
+      true ->
+        with {:ok, decoded} <- decode_json_map(payload),
+             parsed <- MemberExport.parse_params(decoded),
+             {:ok, export_data} <- Build.build(actor, parsed, &label_for_column/1),
+             {:ok, pdf_binary} <- MembersPDF.render(export_data) do
+          filename = "members-#{Date.utc_today()}.pdf"
+
+          send_download(
+            conn,
+            {:binary, pdf_binary},
+            filename: filename,
+            content_type: "application/pdf"
+          )
+        else
+          {:error, :invalid_json} ->
+            bad_request(conn, @invalid_json_message)
+
+          {:error, :forbidden} ->
+            forbidden(conn)
+
+          {:error, {:row_limit_exceeded, row_count, max_rows}} ->
+            unprocessable_entity(conn, %{
+              error: "row_limit_exceeded",
+              message:
+                gettext("Export contains %{count} rows, maximum is %{max}",
+                  count: row_count,
+                  max: max_rows
+                ),
+              row_count: row_count,
+              max_rows: max_rows
+            })
+
+          {:error, reason} ->
+            Logger.warning("PDF export failed: #{inspect(reason)}")
+
+            internal_error(conn, %{
+              error: "export_failed",
+              message: gettext(@export_failed_message)
+            })
+        end
+    end
+  end
+
+  def export(conn, _params) do
+    bad_request(conn, @payload_required_message)
+  end
+
+  # --- Actor / auth ---
+
+  defp current_actor(conn) do
+    conn.assigns[:current_user]
+    |> Actor.ensure_loaded()
+  end
+
+  defp forbidden(conn) do
+    conn
+    |> put_status(:forbidden)
+    |> json(%{error: "forbidden", message: "Forbidden"})
+    |> halt()
+  end
+
+  # --- Decoding / validation ---
+
+  defp decode_json_map(payload) when is_binary(payload) do
+    case Jason.decode(payload) do
+      {:ok, decoded} when is_map(decoded) -> {:ok, decoded}
+      _ -> {:error, :invalid_json}
+    end
+  end
+
+  # --- Column labels ---
+
+  # Goal: translate known member fields to UI labels, but never crash.
+  # - Atoms: label directly.
+  # - Binaries: only translate if they are known member fields (allowlist); otherwise return the string.
+  # This avoids String.to_existing_atom/1 exceptions for arbitrary keys (e.g., "custom_field_...").
+  defp label_for_column(key) when is_atom(key) do
+    MemberFields.label(key)
+  end
+
+  defp label_for_column(key) when is_binary(key) do
+    if key in @allowed_member_field_strings do
+      # Safe because key is in allowlist which originates from existing atoms
+      MemberFields.label(String.to_existing_atom(key))
+    else
+      key
+    end
+  end
+
+  defp label_for_column(key) do
+    to_string(key)
+  end
+
+  # --- JSON responses ---
+
+  defp bad_request(conn, message) when is_binary(message) do
+    conn
+    |> put_status(:bad_request)
+    |> json(%{error: "bad_request", message: message})
+  end
+
+  defp unprocessable_entity(conn, body) when is_map(body) do
+    conn
+    |> put_status(:unprocessable_entity)
+    |> json(body)
+  end
+
+  defp internal_error(conn, body) when is_map(body) do
+    conn
+    |> put_status(:internal_server_error)
+    |> json(body)
+  end
+end

lib/mv_web/router.ex

@@ -92,6 +92,7 @@ defmodule MvWeb.Router do
       live "/admin/import-export", ImportExportLive
 
       post "/members/export.csv", MemberExportController, :export
+      post "/members/export.pdf", MemberPdfExportController, :export
       post "/set_locale", LocaleController, :set_locale
     end