clacks/lib/clacks/timeline.ex

37 lines
1013 B
Elixir

defmodule Clacks.Timeline do
alias Clacks.{Repo, Actor, Activity, Paginator}
import Ecto.Query
@public "https://www.w3.org/ns/activitystreams#Public"
@spec actor_timeline(actor :: Actor.t(), only_public :: boolean(), params :: map()) :: [
Activity.t()
]
def actor_timeline(actor, only_public \\ true, params) do
Activity
|> restrict_to_actor(actor.ap_id)
|> restrict_to_types(["Create", "Announce"])
|> restirct_to_public(only_public)
|> Paginator.paginate(params)
|> Repo.all()
end
defp restrict_to_actor(query, actor_id) do
where(query, [a], fragment("?->>'actor'", a.data) == ^actor_id)
end
defp restrict_to_types(query, types) do
where(query, [a], fragment("?->>'type'", a.data) in ^types)
end
defp restirct_to_public(query, true) do
where(
query,
[a],
fragment("?->'to' \\? ?", a.data, @public) or fragment("?->'cc' \\? ?", a.data, @public)
)
end
defp restirct_to_public(query, false), do: query
end