clean up status page

lib/aprsme/is/is.ex

@@ -133,7 +133,8 @@ defmodule Aprsme.Is do
           login_id: Application.get_env(:aprsme, :aprsme_is_login_id, "W5ISP"),
           filter: Application.get_env(:aprsme, :aprsme_is_default_filter, "r/33/-96/100"),
           packet_stats: default_packet_stats(),
-          stored_packet_count: Aprsme.Packets.get_total_packet_count()
+          stored_packet_count: Aprsme.Packets.get_total_packet_count(),
+          oldest_packet_timestamp: Aprsme.Packets.get_oldest_packet_timestamp()
         }
 
       _pid ->
@@ -154,7 +155,8 @@ defmodule Aprsme.Is do
               login_id: Application.get_env(:aprsme, :aprsme_is_login_id, "W5ISP"),
               filter: Application.get_env(:aprsme, :aprsme_is_default_filter, "r/33/-96/100"),
               packet_stats: default_packet_stats(),
-              stored_packet_count: Aprsme.Packets.get_total_packet_count()
+              stored_packet_count: Aprsme.Packets.get_total_packet_count(),
+              oldest_packet_timestamp: Aprsme.Packets.get_oldest_packet_timestamp()
             }
         end
     end
@@ -259,7 +261,8 @@ defmodule Aprsme.Is do
       login_id: state.login_params.user_id,
       filter: state.login_params.filter,
       packet_stats: state.packet_stats,
-      stored_packet_count: Aprsme.Packets.get_total_packet_count()
+      stored_packet_count: Aprsme.Packets.get_total_packet_count(),
+      oldest_packet_timestamp: Aprsme.Packets.get_oldest_packet_timestamp()
     }
 
     {:reply, status, state}

lib/aprsme/packets.ex

@@ -638,6 +638,18 @@ defmodule Aprsme.Packets do
       0
   end
 
+  @doc """
+  Gets the timestamp of the oldest stored packet in the database.
+  Returns nil if no packets exist.
+  """
+  @spec get_oldest_packet_timestamp() :: DateTime.t() | nil
+  def get_oldest_packet_timestamp do
+    Repo.one(
+      from p in Packet,
+        select: min(p.received_at)
+    )
+  end
+
   @doc """
   Configure packet retention policy.
 

lib/aprsme_web/live/status_live/index.ex

@@ -16,7 +16,6 @@ defmodule AprsmeWeb.StatusLive.Index do
       assign(socket,
         page_title: "System Status",
         aprs_status: aprs_status,
-        version: get_app_version(),
         current_time: DateTime.utc_now(),
         health_score: calculate_health_score(aprs_status),
         loading: false
@@ -83,23 +82,7 @@ defmodule AprsmeWeb.StatusLive.Index do
               <span class="font-mono">{Calendar.strftime(@current_time, "%H:%M:%S UTC")}</span>
             </div>
           </div>
-          
-    <!-- Application Information -->
-          <div class="mb-8">
-            <h2 class="text-xl font-semibold mb-4">{gettext("Application Information")}</h2>
-            <div class="card bg-base-200">
-              <div class="card-body">
-                <div class="grid grid-cols-1 md:grid-cols-2 gap-4">
-                  <div class="flex items-center">
-                    <span class="text-sm font-medium opacity-70 mr-2">{gettext("Version:")}</span>
-                    <span class="text-sm font-mono">{@version}</span>
-                  </div>
-                </div>
-              </div>
-            </div>
-          </div>
-          
-    <!-- Overall Status Alert -->
+          <!-- Overall Status Alert -->
           <%= if not @aprs_status.connected do %>
             <div class="alert alert-error mb-6">
               <svg
@@ -244,6 +227,29 @@ defmodule AprsmeWeb.StatusLive.Index do
                       </span>
                     </div>
                   </div>
+
+                  <div class="mt-2">
+                    <div class="flex items-center">
+                      <span class="text-sm font-medium opacity-70 mr-2">
+                        {gettext("Oldest Packet:")}
+                      </span>
+                      <span class="text-sm">
+                        <%= if @aprs_status[:oldest_packet_timestamp] do %>
+                          <span class="font-mono">
+                            {Calendar.strftime(
+                              @aprs_status.oldest_packet_timestamp,
+                              "%Y-%m-%d %H:%M:%S UTC"
+                            )}
+                          </span>
+                          <span class="opacity-70">
+                            ({format_time_ago(@aprs_status.oldest_packet_timestamp)})
+                          </span>
+                        <% else %>
+                          <span class="opacity-50">{gettext("No packets stored")}</span>
+                        <% end %>
+                      </span>
+                    </div>
+                  </div>
                 </div>
                 
     <!-- Health Score -->
@@ -320,14 +326,11 @@ defmodule AprsmeWeb.StatusLive.Index do
         packets_per_second: 0,
         last_packet_at: nil
       },
-      stored_packet_count: 0
+      stored_packet_count: 0,
+      oldest_packet_timestamp: nil
     }
   end
 
-  defp get_app_version do
-    :aprsme |> Application.spec(:vsn) |> List.to_string()
-  end
-
   defp schedule_refresh do
     Process.send_after(self(), :refresh_status, @refresh_interval)
   end
@@ -373,6 +376,8 @@ defmodule AprsmeWeb.StatusLive.Index do
     end
   end
 
+  def format_time_ago(nil), do: gettext("Never")
+
   def format_time_ago(datetime) do
     diff_seconds = DateTime.diff(DateTime.utc_now(), datetime)
 

test/aprsme/packets_oldest_test.exs

@@ -0,0 +1,66 @@
+defmodule Aprsme.PacketsOldestTest do
+  use Aprsme.DataCase
+
+  alias Aprsme.Packets
+  alias Aprsme.Repo
+
+  describe "get_oldest_packet_timestamp/0" do
+    test "returns nil when no packets exist" do
+      assert is_nil(Packets.get_oldest_packet_timestamp())
+    end
+
+    test "returns the timestamp of the oldest packet" do
+      # Create packets with different timestamps
+      oldest_time = ~U[2023-01-01 00:00:00Z]
+      middle_time = ~U[2023-06-15 12:30:00Z]
+      newest_time = ~U[2023-12-31 23:59:59Z]
+
+      # Insert packets with different timestamps
+      {:ok, _} = create_test_packet("OLD-1", oldest_time)
+      {:ok, _} = create_test_packet("MID-1", middle_time)
+      {:ok, _} = create_test_packet("NEW-1", newest_time)
+
+      # Should return the oldest timestamp
+      assert Packets.get_oldest_packet_timestamp() == oldest_time
+    end
+
+    test "handles packets with microsecond precision" do
+      # Create a packet with microsecond precision
+      timestamp_with_microseconds = ~U[2023-07-15 14:30:45.123456Z]
+      {:ok, _} = create_test_packet("TEST-1", timestamp_with_microseconds)
+
+      result = Packets.get_oldest_packet_timestamp()
+      # Database might truncate microseconds, so we check the timestamp is close
+      assert DateTime.diff(result, timestamp_with_microseconds, :microsecond) < 1000
+    end
+  end
+
+  # Helper function to create a test packet with specific timestamp
+  defp create_test_packet(callsign, received_at) do
+    # Extract SSID from callsign (e.g., "TEST-1" -> ssid = "1")
+    {base_callsign, ssid} =
+      case String.split(callsign, "-", parts: 2) do
+        [base] -> {base, "0"}
+        [base, ssid_part] -> {base, ssid_part}
+      end
+
+    packet_data = %{
+      sender: callsign,
+      base_callsign: base_callsign,
+      ssid: ssid,
+      destination: "APRS",
+      data_type: "position",
+      path: "WIDE1-1",
+      information_field: "!3216.46N/09647.82W>Test packet",
+      raw_packet: "#{callsign}>APRS,WIDE1-1:!3216.46N/09647.82W>Test packet",
+      lat: 32.274333,
+      lon: -96.797,
+      has_position: true,
+      received_at: received_at
+    }
+
+    %Aprsme.Packet{}
+    |> Aprsme.Packet.changeset(packet_data)
+    |> Repo.insert()
+  end
+end