Add function to query whether server participates in a room

Move from integer timestamps to datetimes

priv/repo/migrations/20210816144214_change_timestamps_to_datetime.exs

@@ -0,0 +1,15 @@
+defmodule MatrixServer.Repo.Migrations.ChangeTimestampsToDatetime do
+  use Ecto.Migration
+
+  def change do
+    alter table(:events) do
+      remove :origin_server_ts, :integer, null: false
+      add :origin_server_ts, :utc_datetime_usec, null: false
+    end
+
+    alter table(:server_key_info) do
+      remove :valid_until, :bigint, default: 0, null: false
+      add :valid_until, :utc_datetime_usec, null: false
+    end
+  end
+end

priv/repo/seeds.exs

@@ -1,5 +1,7 @@
 alias MatrixServer.{Repo, Room, Event, Account, Device}
 
+timestamp = fn n -> DateTime.from_unix!(n, :microsecond) end
+
 Repo.insert!(%Account{
   localpart: "chuck",
   password_hash: Bcrypt.hash_pwd_salt("sneed")
@@ -40,7 +42,7 @@ room =
 
 Repo.insert!(
   Event.create_room(room, alice, "v1")
-  |> Map.put(:origin_server_ts, 0)
+  |> Map.put(:origin_server_ts, timestamp.(0))
   |> Map.put(:event_id, "create")
 )
 
@@ -48,7 +50,7 @@ Repo.insert!(
   Event.join(room, alice)
   |> Map.put(:prev_events, ["create"])
   |> Map.put(:auth_events, ["create"])
-  |> Map.put(:origin_server_ts, 1)
+  |> Map.put(:origin_server_ts, timestamp.(1))
   |> Map.put(:event_id, "join_alice")
 )
 
@@ -56,7 +58,7 @@ Repo.insert!(
   Event.join(room, bob)
   |> Map.put(:prev_events, ["join_alice"])
   |> Map.put(:auth_events, ["create"])
-  |> Map.put(:origin_server_ts, 2)
+  |> Map.put(:origin_server_ts, timestamp.(2))
   |> Map.put(:event_id, "join_bob")
 )
 
@@ -64,7 +66,7 @@ Repo.insert!(
   Event.join(room, charlie)
   |> Map.put(:prev_events, ["join_bob"])
   |> Map.put(:auth_events, ["create"])
-  |> Map.put(:origin_server_ts, 3)
+  |> Map.put(:origin_server_ts, timestamp.(3))
   |> Map.put(:event_id, "join_charlie")
 )
 
@@ -75,7 +77,7 @@ Repo.insert!(
   event
   |> Map.put(:prev_events, ["join_alice"])
   |> Map.put(:auth_events, ["create", "join_alice"])
-  |> Map.put(:origin_server_ts, 4)
+  |> Map.put(:origin_server_ts, timestamp.(4))
   |> Map.put(:event_id, "a")
 )
 
@@ -90,7 +92,7 @@ Repo.insert!(
   event
   |> Map.put(:prev_events, ["a"])
   |> Map.put(:auth_events, ["create", "join_bob", "a"])
-  |> Map.put(:origin_server_ts, 5)
+  |> Map.put(:origin_server_ts, timestamp.(5))
   |> Map.put(:event_id, "b")
 )
 
@@ -98,6 +100,6 @@ Repo.insert!(
   Event.topic(room, alice, "sneed")
   |> Map.put(:prev_events, ["a"])
   |> Map.put(:auth_events, ["create", "join_alice", "a"])
-  |> Map.put(:origin_server_ts, 5)
+  |> Map.put(:origin_server_ts, timestamp.(5))
   |> Map.put(:event_id, "fork")
 )