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Emoji reactions: Change cache and reply format

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lain 2020-01-22 13:57:42 +01:00
commit dd3fc50ea4
6 changed files with 70 additions and 40 deletions
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64
lib/pleroma/web/activity_pub/utils.ex
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@ -312,19 +312,12 @@ defmodule Pleroma.Web.ActivityPub.Utils do
|> Map.put("content", emoji)
end
@spec update_element_in_object(String.t(), list(any), Object.t()) ::
@spec update_element_in_object(String.t(), list(any), Object.t(), integer() | nil) ::
{:ok, Object.t()} | {:error, Ecto.Changeset.t()}
def update_element_in_object(property, element, object) do
def update_element_in_object(property, element, object, count \\ nil) do
length =
if is_map(element) do
element
|> Map.values()
|> List.flatten()
|> length()
else
element
|> length()
end
count ||
length(element)
data =
Map.merge(
@ -344,29 +337,52 @@ defmodule Pleroma.Web.ActivityPub.Utils do
%Activity{data: %{"content" => emoji, "actor" => actor}},
object
) do
reactions = object.data["reactions"] || %{}
emoji_actors = reactions[emoji] || []
new_emoji_actors = [actor | emoji_actors] |> Enum.uniq()
new_reactions = Map.put(reactions, emoji, new_emoji_actors)
update_element_in_object("reaction", new_reactions, object)
reactions = object.data["reactions"] || []
new_reactions =
case Enum.find_index(reactions, fn [candidate, _] -> emoji == candidate end) do
nil ->
reactions ++ [[emoji, [actor]]]
index ->
List.update_at(
reactions,
index,
fn [emoji, users] -> [emoji, Enum.uniq([actor | users])] end
)
end
count = emoji_count(new_reactions)
update_element_in_object("reaction", new_reactions, object, count)
end
def emoji_count(reactions_list) do
Enum.reduce(reactions_list, 0, fn [_, users], acc -> acc + length(users) end)
end
def remove_emoji_reaction_from_object(
%Activity{data: %{"content" => emoji, "actor" => actor}},
object
) do
reactions = object.data["reactions"] || %{}
emoji_actors = reactions[emoji] || []
new_emoji_actors = List.delete(emoji_actors, actor)
reactions = object.data["reactions"] || []
new_reactions =
if new_emoji_actors == [] do
Map.delete(reactions, emoji)
else
Map.put(reactions, emoji, new_emoji_actors)
case Enum.find_index(reactions, fn [candidate, _] -> emoji == candidate end) do
nil ->
reactions
index ->
List.update_at(
reactions,
index,
fn [emoji, users] -> [emoji, List.delete(users, actor)] end
)
|> Enum.reject(fn [_, users] -> Enum.empty?(users) end)
end
update_element_in_object("reaction", new_reactions, object)
count = emoji_count(new_reactions)
update_element_in_object("reaction", new_reactions, object, count)
end
@spec add_like_to_object(Activity.t(), Object.t()) ::