defmodule Pleroma.Web.ActivityPub.ActivityPub do
- alias Pleroma.Repo
- alias Pleroma.{Activity, Object, Upload, User}
+ alias Pleroma.{Activity, Repo, Object, Upload, User, Web}
+ alias Ecto.{Changeset, UUID}
import Ecto.Query
def insert(map) when is_map(map) do
Repo.insert(%Activity{data: map})
end
- def like(%User{ap_id: ap_id}, object = %Object{data: %{ "id" => id}}) do
- data = %{
- "type" => "Like",
- "actor" => ap_id,
- "object" => id
- }
+ def like(%User{ap_id: ap_id} = user, %Object{data: %{"id" => id}} = object) do
+ cond do
+ # There's already a like here, so return the original activity.
+ ap_id in (object.data["likes"] || []) ->
+ query = from activity in Activity,
+ where: fragment("? @> ?", activity.data, ^%{actor: ap_id, object: id, type: "Like"})
- {:ok, activity} = insert(data)
- like_count = (object.data["like_count"] || 0) + 1
- new_data = object.data |> Map.put("like_count", like_count)
- changeset = Ecto.Changeset.change(object, data: new_data)
- {:ok, object} = Repo.update(changeset)
+ activity = Repo.one(query)
+ {:ok, activity, object}
+ true ->
+ data = %{
+ "type" => "Like",
+ "actor" => ap_id,
+ "object" => id,
+ "to" => [User.ap_followers(user), object.data["actor"]]
+ }
+
+ {:ok, activity} = insert(data)
+
+ likes = [ap_id | (object.data["likes"] || [])] |> Enum.uniq
+
+ new_data = object.data
+ |> Map.put("like_count", length(likes))
+ |> Map.put("likes", likes)
+
+ changeset = Changeset.change(object, data: new_data)
+ {:ok, object} = Repo.update(changeset)
+
+ update_object_in_activities(object)
+
+ {:ok, activity, object}
+ end
+ end
+ defp update_object_in_activities(%{data: %{"id" => id}} = object) do
# Update activities that already had this. Could be done in a seperate process.
relevant_activities = Activity.all_by_object_ap_id(id)
Enum.map(relevant_activities, fn (activity) ->
- new_activity_data = activity.data |> Map.put("object", new_data)
- changeset = Ecto.Changeset.change(activity, data: new_activity_data)
+ new_activity_data = activity.data |> Map.put("object", object.data)
+ changeset = Changeset.change(activity, data: new_activity_data)
Repo.update(changeset)
end)
+ end
- {:ok, activity, object}
+ def unlike(%User{ap_id: ap_id}, %Object{data: %{ "id" => id}} = object) do
+ query = from activity in Activity,
+ where: fragment("? @> ?", activity.data, ^%{actor: ap_id, object: id, type: "Like"})
+
+ activity = Repo.one(query)
+
+ if activity do
+ # just delete for now...
+ {:ok, _activity} = Repo.delete(activity)
+
+ likes = (object.data["likes"] || []) |> List.delete(ap_id)
+
+ new_data = object.data
+ |> Map.put("like_count", length(likes))
+ |> Map.put("likes", likes)
+
+ changeset = Changeset.change(object, data: new_data)
+ {:ok, object} = Repo.update(changeset)
+
+ update_object_in_activities(object)
+
+ {:ok, object}
+ else
+ {:ok, object}
+ end
end
def generate_activity_id do
end
def generate_id(type) do
- "#{Pleroma.Web.base_url()}/#{type}/#{Ecto.UUID.generate}"
+ "#{Web.base_url()}/#{type}/#{UUID.generate}"
end
def fetch_public_activities(opts \\ %{}) do
query
end
- Repo.all(query)
- |> Enum.reverse
+ query = if opts["actor_id"] do
+ from activity in query,
+ where: fragment("? @> ?", activity.data, ^%{actor: opts["actor_id"]})
+ else
+ query
+ end
+
+ Enum.reverse(Repo.all(query))
+ end
+
+ def announce(%User{ap_id: ap_id} = user, %Object{data: %{"id" => id}} = object) do
+ data = %{
+ "type" => "Announce",
+ "actor" => ap_id,
+ "object" => id,
+ "to" => [User.ap_followers(user), object.data["actor"]]
+ }
+
+ {:ok, activity} = insert(data)
+
+ announcements = [ap_id | (object.data["announcements"] || [])] |> Enum.uniq
+
+ new_data = object.data
+ |> Map.put("announcement_count", length(announcements))
+ |> Map.put("announcements", announcements)
+
+ changeset = Changeset.change(object, data: new_data)
+ {:ok, object} = Repo.update(changeset)
+
+ update_object_in_activities(object)
+
+ {:ok, activity, object}
end
def fetch_activities_for_context(context) do
Repo.all(query)
end
- def upload(%Plug.Upload{} = file) do
+ def upload(file) do
data = Upload.store(file)
Repo.insert(%Object{data: data})
end