forked from potsda.mn/mobilizon
71 lines
2 KiB
Elixir
71 lines
2 KiB
Elixir
defmodule Mobilizon.Federation.ActivityStream.Converter.Todo do
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@moduledoc """
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TodoList converter.
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This module allows to convert todo lists from ActivityStream format to our own
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internal one, and back.
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"""
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alias Mobilizon.Actors.Actor
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alias Mobilizon.Federation.ActivityPub
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alias Mobilizon.Federation.ActivityStream.{Converter, Convertible}
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alias Mobilizon.Todos
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alias Mobilizon.Todos.{Todo, TodoList}
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@behaviour Converter
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defimpl Convertible, for: Todo do
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alias Mobilizon.Federation.ActivityStream.Converter.Todo, as: TodoConverter
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defdelegate model_to_as(todo), to: TodoConverter
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end
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@doc """
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Convert an todo list struct to an ActivityStream representation
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"""
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@impl Converter
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@spec model_to_as(Todo.t()) :: map
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def model_to_as(
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%Todo{
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todo_list: %TodoList{actor: %Actor{url: group_url} = _group, url: todo_list_url},
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creator: %Actor{url: creator_url}
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} = todo
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) do
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%{
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"type" => "Todo",
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"actor" => creator_url,
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"attributedTo" => group_url,
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"id" => todo.url,
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"name" => todo.title,
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"status" => todo.status,
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"todoList" => todo_list_url
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}
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end
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@doc """
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Converts an AP object data to our internal data structure.
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"""
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@impl Converter
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@spec as_to_model_data(map) :: {:ok, map} | {:error, any()}
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def as_to_model_data(
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%{"type" => "Todo", "actor" => actor_url, "todoList" => todo_list_url} = object
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) do
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with {:ok, %Actor{id: creator_id} = _creator} <-
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ActivityPub.get_or_fetch_actor_by_url(actor_url),
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{:todo_list, %TodoList{id: todo_list_id}} <-
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{:todo_list, Todos.get_todo_list_by_url(todo_list_url)} do
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%{
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title: object["name"],
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status: object["status"],
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url: object["id"],
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todo_list_id: todo_list_id,
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creator_id: creator_id
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}
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else
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{:todo_list, nil} ->
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with {:ok, %TodoList{}} <- ActivityPub.fetch_object_from_url(todo_list_url) do
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as_to_model_data(object)
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end
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end
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end
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end
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