[Enhancement] Add history table to homepage (And TZ support) (#229)

* Added basic history table to homepage

* Improved homepage history query

* Set table to use 24h time

* Added timezone support

* Updated README to reflect new TZ stuff

lib/pinchflat_web/controllers/pages/page_html/history_table_live.ex

@@ -0,0 +1,110 @@
+defmodule Pinchflat.Pages.HistoryTableLive do
+  use PinchflatWeb, :live_view
+  import Ecto.Query, warn: false
+
+  alias Pinchflat.Repo
+  alias Pinchflat.Media.MediaQuery
+  alias Pinchflat.Utils.NumberUtils
+  alias PinchflatWeb.CustomComponents.TextComponents
+
+  @limit 10
+
+  def render(%{records: []} = assigns) do
+    ~H"""
+    <div class="mb-4 flex items-center">
+      <.icon_button icon_name="hero-arrow-path" class="h-10 w-10" phx-click="reload_page" />
+      <p class="ml-2">Nothing Here!</p>
+    </div>
+    """
+  end
+
+  def render(assigns) do
+    ~H"""
+    <div>
+      <span class="mb-4 flex items-center">
+        <.icon_button icon_name="hero-arrow-path" class="h-10 w-10" phx-click="reload_page" tooltip="Refresh" />
+        <span class="ml-2">Showing <%= length(@records) %> of <%= @total_record_count %></span>
+      </span>
+      <div class="max-w-full overflow-x-auto">
+        <.table rows={@records} table_class="text-white">
+          <:col :let={media_item} label="Title">
+            <.subtle_link href={~p"/sources/#{media_item.source_id}/media/#{media_item}"}>
+              <%= StringUtils.truncate(media_item.title, 35) %>
+            </.subtle_link>
+          </:col>
+          <:col :let={media_item} label="Upload Date">
+            <%= media_item.upload_date %>
+          </:col>
+          <:col :let={media_item} label="Indexed At">
+            <%= format_datetime(media_item.inserted_at) %>
+          </:col>
+          <:col :let={media_item} label="Downloaded At">
+            <%= format_datetime(media_item.media_downloaded_at) %>
+          </:col>
+          <:col :let={media_item} label="Source">
+            <.subtle_link href={~p"/sources/#{media_item.source_id}"}>
+              <%= StringUtils.truncate(media_item.source.custom_name, 35) %>
+            </.subtle_link>
+          </:col>
+        </.table>
+      </div>
+      <section class="flex justify-center mt-5">
+        <.live_pagination_controls page_number={@page} total_pages={@total_pages} />
+      </section>
+    </div>
+    """
+  end
+
+  def mount(_params, _session, socket) do
+    page = 1
+    base_query = generate_base_query()
+    pagination_attrs = fetch_pagination_attributes(base_query, page)
+
+    {:ok, assign(socket, Map.merge(pagination_attrs, %{base_query: base_query}))}
+  end
+
+  def handle_event("page_change", %{"direction" => direction}, %{assigns: assigns} = socket) do
+    direction = if direction == "inc", do: 1, else: -1
+    new_page = assigns.page + direction
+    new_assigns = fetch_pagination_attributes(assigns.base_query, new_page)
+
+    {:noreply, assign(socket, new_assigns)}
+  end
+
+  def handle_event("reload_page", _params, %{assigns: assigns} = socket) do
+    new_assigns = fetch_pagination_attributes(assigns.base_query, assigns.page)
+
+    {:noreply, assign(socket, new_assigns)}
+  end
+
+  defp fetch_pagination_attributes(base_query, page) do
+    total_record_count = Repo.aggregate(base_query, :count, :id)
+    total_pages = max(ceil(total_record_count / @limit), 1)
+    page = NumberUtils.clamp(page, 1, total_pages)
+    records = fetch_records(base_query, page)
+
+    %{page: page, total_pages: total_pages, records: records, total_record_count: total_record_count}
+  end
+
+  defp fetch_records(base_query, page) do
+    offset = (page - 1) * @limit
+
+    base_query
+    |> limit(^@limit)
+    |> offset(^offset)
+    |> Repo.all()
+    |> Repo.preload(:source)
+  end
+
+  defp generate_base_query do
+    MediaQuery.new()
+    |> MediaQuery.where_pending_or_downloaded()
+    |> order_by(desc: :id)
+  end
+
+  defp format_datetime(nil), do: ""
+
+  defp format_datetime(datetime) do
+    TextComponents.datetime_in_zone(%{datetime: datetime, format: "%Y-%m-%d %H:%M"})
+  end
+end

lib/pinchflat_web/controllers/pages/page_html/home.html.heex

@@ -17,11 +17,17 @@
   </div>
   <div class="rounded-sm border px-7.5 py-6 shadow-default border-strokedark bg-boxdark">
     <span class="mt-4 flex flex-col items-center justify-center">
-      <span class="text-md font-medium">Media Item(s)</span>
+      <span class="text-md font-medium">Downloaded Media</span>
       <h4 class="text-title-md font-bold text-white">
         <%= @media_item_count %>
       </h4>
     </span>
   </div>
-  <span class="text-strokedark">I know this page isn't super useful yet, but give it time :&rpar;</span>
+</div>
+
+<div class="rounded-sm border shadow-default border-strokedark bg-boxdark mt-4 p-5">
+  <span class="text-2xl font-medium mb-4">History</span>
+  <section class="mt-6">
+    <%= live_render(@conn, Pinchflat.Pages.HistoryTableLive) %>
+  </section>
 </div>