forked from mirrors/akkoma
235 lines
9.7 KiB
Elixir
235 lines
9.7 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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[{:"thr:in-reply-to", [ref: to_charlist(in_reply_to), href: to_charlist(get_href(in_reply_to))], []}]
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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, [rel: "mentioned", "ostatus:object-type": "http://activitystrea.ms/schema/1.0/collection", href: "http://activityschema.org/collection/public"], []}
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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, [rel: "mentioned", "ostatus:object-type": "http://activitystrea.ms/schema/1.0/person", href: id], []}
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end
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end)
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end
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defp get_links(%{local: true, data: data}) 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.(data["object"]["id"]), rel: 'self'], []},
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{:link, [type: ['text/html'], href: h.(data["object"]["id"]), rel: 'alternate'], []}
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]
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end
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defp get_links(%{local: false,
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data: %{
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"object" => %{
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"external_url" => external_url
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}
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}}) 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), do: []
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def to_simple_form(activity, user, with_author \\ false)
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def to_simple_form(%{data: %{"object" => %{"type" => "Note"}}} = activity, user, with_author) do
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h = fn(str) -> [to_charlist(str)] end
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updated_at = activity.data["object"]["published"]
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inserted_at = activity.data["object"]["published"]
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attachments = Enum.map(activity.data["object"]["attachment"] || [], fn(attachment) ->
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url = hd(attachment["url"])
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{:link, [rel: 'enclosure', href: to_charlist(url["href"]), type: to_charlist(url["mediaType"])], []}
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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.data["to"] |> get_mentions
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categories = (activity.data["object"]["tag"] || [])
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|> Enum.map(fn (tag) -> {:category, [term: to_charlist(tag)], []} 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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{:id, h.(activity.data["object"]["id"])}, # For notes, federate the object id.
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{:title, ['New note by #{user.nickname}']},
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{:content, [type: 'html'], h.(activity.data["object"]["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"])], h.(activity.data["context"])},
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{:link, [ref: h.(activity.data["context"]), rel: 'ostatus:conversation'], []},
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] ++ get_links(activity) ++ categories ++ attachments ++ in_reply_to ++ author ++ mentions
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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.data["to"] |> 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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{:"activity:object-type", ['http://activitystrea.ms/schema/1.0/note']},
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{:id, h.(activity.data["object"])}, # For notes, federate the object id.
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]},
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{:"ostatus:conversation", [ref: h.(activity.data["context"])], 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 = activity.data["to"] |> 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"])], 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.data["to"] || []) |> 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'], ['#{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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{:"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(%{data: %{"type" => "Undo"}} = 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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follow_activity = Activity.get_by_ap_id(activity.data["object"])
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mentions = (activity.data["to"] || []) |> 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/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'], ['#{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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{:"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 wrap_with_entry(simple_form) do
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[{
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:entry, [
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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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], simple_form
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}]
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end
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def to_simple_form(_, _, _), do: nil
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end
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