123 lines
3.0 KiB
Elixir
123 lines
3.0 KiB
Elixir
defmodule ClacksWeb.ActorController do
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use ClacksWeb, :controller
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alias Clacks.{Actor, User}
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@context "https://www.w3.org/ns/activitystreams"
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plug :get_actor
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defp get_actor(%Plug.Conn{path_params: %{"username" => username}} = conn, _opts) do
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case User.get_by_username(username) do
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nil ->
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conn
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|> put_status(404)
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|> halt()
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%User{actor: actor} ->
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assign(conn, :actor, actor)
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end
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end
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defp get_actor(conn, _opts), do: conn
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def get(%Plug.Conn{assigns: %{format: "activity+json"}} = conn, _params) do
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actor = conn.assigns[:actor]
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conn
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|> put_resp_header("content-type", "application/activity+json")
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|> json(actor.data)
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end
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def get(%Plug.Conn{assigns: %{format: "html"}} = conn, _params) do
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conn
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|> put_view(ClacksWeb.FrontendView)
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|> ClacksWeb.FrontendController.call(:profile)
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end
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def followers(conn, %{"page" => page}) do
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{page, _} = Integer.parse(page)
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followers = conn.assigns[:actor].followers
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data =
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collection_page(conn, followers, page)
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|> Map.put("@context", @context)
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conn
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|> put_resp_header("content-type", "application/activity+json")
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|> json(data)
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end
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def followers(conn, _params) do
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%Actor{followers: followers} = conn.assigns[:actor]
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data = %{
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"@context" => @context,
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"type" => "OrderedCollection",
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"id" => current_url(conn, %{}),
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"totalItems" => length(followers),
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"first" => collection_page(conn, followers, 1)
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}
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conn
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|> put_resp_header("content-type", "application/activity+json")
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|> json(data)
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end
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def following(conn, %{"page" => page}) do
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actor = conn.assigns[:actor]
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following =
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Actor.get_all_following(actor)
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|> Enum.map(fn actor -> actor.ap_id end)
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data =
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collection_page(conn, following, page)
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|> Map.put("@context", @context)
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conn
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|> put_resp_header("content-type", "application/activity+json")
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|> json(data)
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end
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def following(conn, _params) do
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actor = conn.assigns[:actor]
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following =
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Actor.get_all_following(actor)
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|> Enum.map(fn actor -> actor.ap_id end)
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data = %{
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"@context" => @context,
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"type" => "OrderedCollection",
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"id" => current_url(conn, %{}),
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"totalItems" => length(following),
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"first" => collection_page(conn, following, 1)
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}
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conn
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|> put_resp_header("content-type", "application/activity+json")
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|> json(data)
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end
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defp collection_page(conn, collection, page) do
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chunks = Enum.chunk_every(collection, 20)
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# page is 1 indexed, so subtract 1 to get the current chunk
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current_chunk = Enum.at(chunks, page - 1)
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data = %{
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"type" => "OrderedCollectionPage",
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"totalItems" => length(collection),
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"partOf" => current_url(conn, %{}),
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"id" => current_url(conn, %{page: page}),
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"orderedItems" => current_chunk || []
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}
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if page < length(chunks) do
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Map.put(data, "next", current_url(conn, %{page: page + 1}))
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else
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data
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end
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end
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end
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