Add Guardian.DB to track API tokens.

lib/link_shortener_web/auth/guardian.ex

@@ -28,4 +28,28 @@ defmodule LinkShortenerWeb.Auth.Guardian do
     {:ok, token, _claims} = encode_and_sign(user)
     {:ok, user, token}
   end
+
+  def after_encode_and_sign(resource, claims, token, _options) do
+    with {:ok, _} <- Guardian.DB.after_encode_and_sign(resource, claims["typ"], claims, token) do
+      {:ok, token}
+    end
+  end
+
+  def on_verify(claims, token, _options) do
+    with {:ok, _} <- Guardian.DB.on_verify(claims, token) do
+      {:ok, claims}
+    end
+  end
+
+  def on_refresh({old_token, old_claims}, {new_token, new_claims}, _options) do
+    with {:ok, _, _} <- Guardian.DB.on_refresh({old_token, old_claims}, {new_token, new_claims}) do
+      {:ok, {old_token, old_claims}, {new_token, new_claims}}
+    end
+  end
+
+  def on_revoke(claims, token, _options) do
+    with {:ok, _} <- Guardian.DB.on_revoke(claims, token) do
+      {:ok, claims}
+    end
+  end
 end