removing Stats worker from Oban cron jobs

lib/pleroma/stats.ex

@@ -3,12 +3,15 @@
 # SPDX-License-Identifier: AGPL-3.0-only
 
 defmodule Pleroma.Stats do
+  use GenServer
+
   import Ecto.Query
+
   alias Pleroma.CounterCache
   alias Pleroma.Repo
   alias Pleroma.User
 
-  use GenServer
+  @interval :timer.seconds(60)
 
   def start_link(_) do
     GenServer.start_link(
@@ -18,6 +21,11 @@ defmodule Pleroma.Stats do
     )
   end
 
+  @impl true
+  def init(_args) do
+    {:ok, nil, {:continue, :calculate_stats}}
+  end
+
   @doc "Performs update stats"
   def force_update do
     GenServer.call(__MODULE__, :force_update)
@@ -29,7 +37,11 @@ defmodule Pleroma.Stats do
   end
 
   @doc "Returns stats data"
-  @spec get_stats() :: %{domain_count: integer(), status_count: integer(), user_count: integer()}
+  @spec get_stats() :: %{
+          domain_count: non_neg_integer(),
+          status_count: non_neg_integer(),
+          user_count: non_neg_integer()
+        }
   def get_stats do
     %{stats: stats} = GenServer.call(__MODULE__, :get_state)
 
@@ -44,25 +56,14 @@ defmodule Pleroma.Stats do
     peers
   end
 
-  def init(_args) do
-    {:ok, calculate_stat_data()}
-  end
-
-  def handle_call(:force_update, _from, _state) do
-    new_stats = calculate_stat_data()
-    {:reply, new_stats, new_stats}
-  end
-
-  def handle_call(:get_state, _from, state) do
-    {:reply, state, state}
-  end
-
-  def handle_cast(:run_update, _state) do
-    new_stats = calculate_stat_data()
-
-    {:noreply, new_stats}
-  end
-
+  @spec calculate_stat_data() :: %{
+          peers: list(),
+          stats: %{
+            domain_count: non_neg_integer(),
+            status_count: non_neg_integer(),
+            user_count: non_neg_integer()
+          }
+        }
   def calculate_stat_data do
     peers =
       from(
@@ -97,6 +98,7 @@ defmodule Pleroma.Stats do
     }
   end
 
+  @spec get_status_visibility_count(String.t() | nil) :: map()
   def get_status_visibility_count(instance \\ nil) do
     if is_nil(instance) do
       CounterCache.get_sum()
@@ -104,4 +106,36 @@ defmodule Pleroma.Stats do
       CounterCache.get_by_instance(instance)
     end
   end
+
+  @impl true
+  def handle_continue(:calculate_stats, _) do
+    stats = calculate_stat_data()
+    Process.send_after(self(), :run_update, @interval)
+    {:noreply, stats}
+  end
+
+  @impl true
+  def handle_call(:force_update, _from, _state) do
+    new_stats = calculate_stat_data()
+    {:reply, new_stats, new_stats}
+  end
+
+  @impl true
+  def handle_call(:get_state, _from, state) do
+    {:reply, state, state}
+  end
+
+  @impl true
+  def handle_cast(:run_update, _state) do
+    new_stats = calculate_stat_data()
+
+    {:noreply, new_stats}
+  end
+
+  @impl true
+  def handle_info(:run_update, _) do
+    new_stats = calculate_stat_data()
+    Process.send_after(self(), :run_update, @interval)
+    {:noreply, new_stats}
+  end
 end