token -> invite renaming

lib/pleroma/user_invite_token.ex

@@ -17,106 +17,101 @@ defmodule Pleroma.UserInviteToken do
     field(:used, :boolean, default: false)
     field(:max_use, :integer)
     field(:expire_at, :date)
-    field(:uses, :integer)
-    field(:token_type)
+    field(:uses, :integer, default: 0)
+    field(:invite_type, :string)
 
     timestamps()
   end
 
-  def create_token(options \\ []) do
-    token = :crypto.strong_rand_bytes(32) |> Base.url_encode64()
-
-    max_use = options[:max_use]
-    expire_at = options[:expire_at]
-
-    token =
-      %UserInviteToken{
-        used: false,
-        token: token,
-        max_use: max_use,
-        expire_at: expire_at,
-        uses: 0
-      }
-      |> token_type()
-
-    Repo.insert(token)
+  @spec create_invite(map()) :: UserInviteToken.t()
+  def create_invite(params \\ %{}) do
+    %UserInviteToken{}
+    |> cast(params, ~w(max_use expire_at)a)
+    |> add_token()
+    |> assign_type()
+    |> Repo.insert()
   end
 
+  defp add_token(changeset) do
+    token = :crypto.strong_rand_bytes(32) |> Base.url_encode64()
+    put_change(changeset, :token, token)
+  end
+
+  defp assign_type(%{changes: %{max_use: _max_use, expire_at: _expire_at}} = changeset) do
+    put_change(changeset, :invite_type, "reusable_date_limited")
+  end
+
+  defp assign_type(%{changes: %{expire_at: _expire_at}} = changeset) do
+    put_change(changeset, :invite_type, "date_limited")
+  end
+
+  defp assign_type(%{changes: %{max_use: _max_use}} = changeset) do
+    put_change(changeset, :invite_type, "reusable")
+  end
+
+  defp assign_type(changeset), do: put_change(changeset, :invite_type, "one_time")
+
+  @spec list_invites() :: [UserInviteToken.t()]
   def list_invites do
     query = from(u in UserInviteToken, order_by: u.id)
     Repo.all(query)
   end
 
-  def used_changeset(struct) do
-    struct
-    |> cast(%{}, [])
-    |> put_change(:used, true)
+  @spec update_invite!(UserInviteToken.t(), map()) :: UserInviteToken.t() | no_return()
+  def update_invite!(invite, changes) do
+    change(invite, changes) |> Repo.update!()
   end
 
-  @spec mark_as_used(token()) :: {:ok, UserInviteToken.t()} | {:error, token()}
-  def mark_as_used(token) do
-    with %{used: false} = token <- Repo.get_by(UserInviteToken, %{token: token}),
-         {:ok, token} <- Repo.update(used_changeset(token)) do
-      {:ok, token}
-    else
-      _e -> {:error, token}
-    end
+  @spec update_invite(UserInviteToken.t(), map()) ::
+          {:ok, UserInviteToken.t()} | {:error, Changeset.t()}
+  def update_invite(invite, changes) do
+    change(invite, changes) |> Repo.update()
   end
 
-  defp token_type(%{expire_at: nil, max_use: nil} = token), do: %{token | token_type: "one_time"}
+  @spec find_by_token!(token()) :: UserInviteToken.t() | no_return()
+  def find_by_token!(token), do: Repo.get_by!(UserInviteToken, token: token)
 
-  defp token_type(%{expire_at: _expire_at, max_use: nil} = token),
-    do: %{token | token_type: "date_limited"}
-
-  defp token_type(%{expire_at: nil, max_use: _max_use} = token),
-    do: %{token | token_type: "reusable"}
-
-  defp token_type(%{expire_at: _expire_at, max_use: _max_use} = token),
-    do: %{token | token_type: "reusable_date_limited"}
-
-  @spec valid_token?(UserInviteToken.t()) :: boolean()
-  def valid_token?(%{token_type: "one_time"} = token) do
-    not token.used
+  @spec valid_invite?(UserInviteToken.t()) :: boolean()
+  def valid_invite?(%{invite_type: "one_time"} = invite) do
+    not invite.used
   end
 
-  def valid_token?(%{token_type: "date_limited"} = token) do
-    not_overdue_date?(token) and not token.used
+  def valid_invite?(%{invite_type: "date_limited"} = invite) do
+    not_overdue_date?(invite) and not invite.used
   end
 
-  def valid_token?(%{token_type: "reusable"} = token) do
-    token.uses < token.max_use and not token.used
+  def valid_invite?(%{invite_type: "reusable"} = invite) do
+    invite.uses < invite.max_use and not invite.used
   end
 
-  def valid_token?(%{token_type: "reusable_date_limited"} = token) do
-    not_overdue_date?(token) and token.uses < token.max_use and not token.used
+  def valid_invite?(%{invite_type: "reusable_date_limited"} = invite) do
+    not_overdue_date?(invite) and invite.uses < invite.max_use and not invite.used
   end
 
-  defp not_overdue_date?(%{expire_at: expire_at} = token) do
+  defp not_overdue_date?(%{expire_at: expire_at} = invite) do
     Date.compare(Date.utc_today(), expire_at) in [:lt, :eq] ||
-      (Repo.update!(change(token, used: true)) && false)
+      (update_invite!(invite, %{used: true}) && false)
   end
 
-  def update_usage(%{token_type: "date_limited"}), do: nil
+  @spec update_usage!(UserInviteToken.t()) :: nil | UserInviteToken.t() | no_return()
+  def update_usage!(%{invite_type: "date_limited"}), do: nil
 
-  def update_usage(%{token_type: "one_time"} = token) do
-    UserInviteToken.mark_as_used(token.token)
-  end
-
-  def update_usage(%{token_type: token_type} = token)
-      when token_type == "reusable" or token_type == "reusable_date_limited" do
-    new_uses = token.uses + 1
+  def update_usage!(%{invite_type: "one_time"} = invite),
+    do: update_invite!(invite, %{used: true})
 
+  def update_usage!(%{invite_type: invite_type} = invite)
+      when invite_type == "reusable" or invite_type == "reusable_date_limited" do
     changes = %{
-      uses: new_uses
+      uses: invite.uses + 1
     }
 
     changes =
-      if new_uses >= token.max_use do
+      if changes.uses >= invite.max_use do
         Map.put(changes, :used, true)
       else
         changes
       end
 
-    change(token, changes) |> Repo.update!()
+    update_invite!(invite, changes)
   end
 end