303 lines
10 KiB
Elixir
303 lines
10 KiB
Elixir
defmodule Pleroma.Web.OStatus.ActivityRepresenter do
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alias Pleroma.{Activity, User, Object}
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alias Pleroma.Web.OStatus.UserRepresenter
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require Logger
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defp get_href(id) do
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with %Object{data: %{"external_url" => external_url}} <- Object.get_cached_by_ap_id(id) do
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external_url
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else
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_e -> id
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end
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end
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defp get_in_reply_to(%{"object" => %{"inReplyTo" => in_reply_to}}) do
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[
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{:"thr:in-reply-to",
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[ref: to_charlist(in_reply_to), href: to_charlist(get_href(in_reply_to))], []}
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]
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end
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defp get_in_reply_to(_), do: []
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defp get_mentions(to) do
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Enum.map(to, fn id ->
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cond do
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# Special handling for the AP/Ostatus public collections
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"https://www.w3.org/ns/activitystreams#Public" == id ->
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{:link,
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[
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rel: "mentioned",
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"ostatus:object-type": "http://activitystrea.ms/schema/1.0/collection",
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href: "http://activityschema.org/collection/public"
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], []}
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# Ostatus doesn't handle follower collections, ignore these.
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Regex.match?(~r/^#{Pleroma.Web.base_url()}.+followers$/, id) ->
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[]
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true ->
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{:link,
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[
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rel: "mentioned",
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"ostatus:object-type": "http://activitystrea.ms/schema/1.0/person",
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href: id
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], []}
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end
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end)
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end
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defp get_links(%{local: true}, %{"id" => object_id}) do
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h = fn str -> [to_charlist(str)] end
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[
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{:link, [type: ['application/atom+xml'], href: h.(object_id), rel: 'self'], []},
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{:link, [type: ['text/html'], href: h.(object_id), rel: 'alternate'], []}
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]
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end
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defp get_links(%{local: false}, %{"external_url" => external_url}) do
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h = fn str -> [to_charlist(str)] end
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[
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{:link, [type: ['text/html'], href: h.(external_url), rel: 'alternate'], []}
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]
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end
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defp get_links(_activity, _object_data), do: []
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defp get_emoji_links(emojis) do
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Enum.map(emojis, fn {emoji, file} ->
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{:link, [name: to_charlist(emoji), rel: 'emoji', href: to_charlist(file)], []}
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end)
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end
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def to_simple_form(activity, user, with_author \\ false)
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def to_simple_form(%{data: %{"type" => "Create"}} = activity, user, with_author) do
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h = fn str -> [to_charlist(str)] end
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object = Object.normalize(activity.data["object"])
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updated_at = object.data["published"]
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inserted_at = object.data["published"]
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attachments =
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Enum.map(object.data["attachment"] || [], fn attachment ->
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url = hd(attachment["url"])
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{:link,
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[rel: 'enclosure', href: to_charlist(url["href"]), type: to_charlist(url["mediaType"])],
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[]}
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end)
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in_reply_to = get_in_reply_to(activity.data)
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author = if with_author, do: [{:author, UserRepresenter.to_simple_form(user)}], else: []
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mentions = activity.recipients |> get_mentions
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categories =
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(object.data["tag"] || [])
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|> Enum.map(fn tag ->
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if is_binary(tag) do
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{:category, [term: to_charlist(tag)], []}
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else
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nil
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end
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end)
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|> Enum.filter(& &1)
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emoji_links = get_emoji_links(object.data["emoji"] || %{})
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summary =
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if object.data["summary"] do
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[{:summary, [], h.(object.data["summary"])}]
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else
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[]
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end
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[
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{:"activity:object-type", ['http://activitystrea.ms/schema/1.0/note']},
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{:"activity:verb", ['http://activitystrea.ms/schema/1.0/post']},
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# For notes, federate the object id.
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{:id, h.(object.data["id"])},
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{:title, ['New note by #{user.nickname}']},
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{:content, [type: 'html'], h.(object.data["content"] |> String.replace(~r/[\n\r]/, ""))},
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{:published, h.(inserted_at)},
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{:updated, h.(updated_at)},
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{:"ostatus:conversation", [ref: h.(activity.data["context"])],
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h.(activity.data["context"])},
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{:link, [ref: h.(activity.data["context"]), rel: 'ostatus:conversation'], []}
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] ++
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summary ++
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get_links(activity, object.data) ++
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categories ++ attachments ++ in_reply_to ++ author ++ mentions ++ emoji_links
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end
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def to_simple_form(%{data: %{"type" => "Like"}} = activity, user, with_author) do
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h = fn str -> [to_charlist(str)] end
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updated_at = activity.data["published"]
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inserted_at = activity.data["published"]
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_in_reply_to = get_in_reply_to(activity.data)
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author = if with_author, do: [{:author, UserRepresenter.to_simple_form(user)}], else: []
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mentions = activity.recipients |> get_mentions
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[
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{:"activity:verb", ['http://activitystrea.ms/schema/1.0/favorite']},
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{:id, h.(activity.data["id"])},
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{:title, ['New favorite by #{user.nickname}']},
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{:content, [type: 'html'], ['#{user.nickname} favorited something']},
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{:published, h.(inserted_at)},
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{:updated, h.(updated_at)},
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{:"activity:object",
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[
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{:"activity:object-type", ['http://activitystrea.ms/schema/1.0/note']},
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# For notes, federate the object id.
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{:id, h.(activity.data["object"])}
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]},
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{:"ostatus:conversation", [ref: h.(activity.data["context"])],
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h.(activity.data["context"])},
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{:link, [ref: h.(activity.data["context"]), rel: 'ostatus:conversation'], []},
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{:link, [rel: 'self', type: ['application/atom+xml'], href: h.(activity.data["id"])], []},
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{:"thr:in-reply-to", [ref: to_charlist(activity.data["object"])], []}
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] ++ author ++ mentions
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end
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def to_simple_form(%{data: %{"type" => "Announce"}} = activity, user, with_author) do
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h = fn str -> [to_charlist(str)] end
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updated_at = activity.data["published"]
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inserted_at = activity.data["published"]
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_in_reply_to = get_in_reply_to(activity.data)
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author = if with_author, do: [{:author, UserRepresenter.to_simple_form(user)}], else: []
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retweeted_activity = Activity.get_create_activity_by_object_ap_id(activity.data["object"])
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retweeted_user = User.get_cached_by_ap_id(retweeted_activity.data["actor"])
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retweeted_xml = to_simple_form(retweeted_activity, retweeted_user, true)
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mentions =
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([retweeted_user.ap_id] ++ activity.recipients)
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|> Enum.uniq()
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|> get_mentions()
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[
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{:"activity:object-type", ['http://activitystrea.ms/schema/1.0/activity']},
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{:"activity:verb", ['http://activitystrea.ms/schema/1.0/share']},
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{:id, h.(activity.data["id"])},
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{:title, ['#{user.nickname} repeated a notice']},
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{:content, [type: 'html'], ['RT #{retweeted_activity.data["object"]["content"]}']},
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{:published, h.(inserted_at)},
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{:updated, h.(updated_at)},
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{:"ostatus:conversation", [ref: h.(activity.data["context"])],
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h.(activity.data["context"])},
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{:link, [ref: h.(activity.data["context"]), rel: 'ostatus:conversation'], []},
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{:link, [rel: 'self', type: ['application/atom+xml'], href: h.(activity.data["id"])], []},
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{:"activity:object", retweeted_xml}
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] ++ mentions ++ author
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end
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def to_simple_form(%{data: %{"type" => "Follow"}} = activity, user, with_author) do
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h = fn str -> [to_charlist(str)] end
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updated_at = activity.data["published"]
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inserted_at = activity.data["published"]
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author = if with_author, do: [{:author, UserRepresenter.to_simple_form(user)}], else: []
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mentions = (activity.recipients || []) |> get_mentions
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[
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{:"activity:object-type", ['http://activitystrea.ms/schema/1.0/activity']},
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{:"activity:verb", ['http://activitystrea.ms/schema/1.0/follow']},
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{:id, h.(activity.data["id"])},
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{:title, ['#{user.nickname} started following #{activity.data["object"]}']},
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{:content, [type: 'html'],
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['#{user.nickname} started following #{activity.data["object"]}']},
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{:published, h.(inserted_at)},
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{:updated, h.(updated_at)},
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{:"activity:object",
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[
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{:"activity:object-type", ['http://activitystrea.ms/schema/1.0/person']},
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{:id, h.(activity.data["object"])},
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{:uri, h.(activity.data["object"])}
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]},
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{:link, [rel: 'self', type: ['application/atom+xml'], href: h.(activity.data["id"])], []}
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] ++ mentions ++ author
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end
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# Only undos of follow for now. Will need to get redone once there are more
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def to_simple_form(
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%{data: %{"type" => "Undo", "object" => %{"type" => "Follow"} = follow_activity}} =
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activity,
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user,
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with_author
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) do
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h = fn str -> [to_charlist(str)] end
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updated_at = activity.data["published"]
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inserted_at = activity.data["published"]
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author = if with_author, do: [{:author, UserRepresenter.to_simple_form(user)}], else: []
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mentions = (activity.recipients || []) |> get_mentions
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follow_activity = Activity.normalize(follow_activity)
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[
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{:"activity:object-type", ['http://activitystrea.ms/schema/1.0/activity']},
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{:"activity:verb", ['http://activitystrea.ms/schema/1.0/unfollow']},
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{:id, h.(activity.data["id"])},
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{:title, ['#{user.nickname} stopped following #{follow_activity.data["object"]}']},
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{:content, [type: 'html'],
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['#{user.nickname} stopped following #{follow_activity.data["object"]}']},
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{:published, h.(inserted_at)},
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{:updated, h.(updated_at)},
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{:"activity:object",
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[
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{:"activity:object-type", ['http://activitystrea.ms/schema/1.0/person']},
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{:id, h.(follow_activity.data["object"])},
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{:uri, h.(follow_activity.data["object"])}
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]},
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{:link, [rel: 'self', type: ['application/atom+xml'], href: h.(activity.data["id"])], []}
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] ++ mentions ++ author
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end
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def to_simple_form(%{data: %{"type" => "Delete"}} = activity, user, with_author) do
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h = fn str -> [to_charlist(str)] end
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updated_at = activity.data["published"]
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inserted_at = activity.data["published"]
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author = if with_author, do: [{:author, UserRepresenter.to_simple_form(user)}], else: []
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[
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{:"activity:object-type", ['http://activitystrea.ms/schema/1.0/activity']},
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{:"activity:verb", ['http://activitystrea.ms/schema/1.0/delete']},
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{:id, h.(activity.data["object"])},
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{:title, ['An object was deleted']},
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{:content, [type: 'html'], ['An object was deleted']},
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{:published, h.(inserted_at)},
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{:updated, h.(updated_at)}
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] ++ author
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end
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def to_simple_form(_, _, _), do: nil
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def wrap_with_entry(simple_form) do
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[
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{
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:entry,
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[
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xmlns: 'http://www.w3.org/2005/Atom',
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"xmlns:thr": 'http://purl.org/syndication/thread/1.0',
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"xmlns:activity": 'http://activitystrea.ms/spec/1.0/',
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"xmlns:poco": 'http://portablecontacts.net/spec/1.0',
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"xmlns:ostatus": 'http://ostatus.org/schema/1.0'
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],
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simple_form
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}
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]
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end
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end
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