Merge branch 'develop' of ssh.gitgud.io:lambadalambda/pleroma into bugfix/repeated...

[akkoma] / lib / pleroma / web / activity_pub / activity_pub.ex

diff --git a/lib/pleroma/web/activity_pub/activity_pub.ex b/lib/pleroma/web/activity_pub/activity_pub.ex
index b70f4dbb1b97536f6d370868a5a1d214825a7778..75e4101f281d8a7b41e43891993a0407f2075cad 100644 (file)
--- a/lib/pleroma/web/activity_pub/activity_pub.ex
+++ b/lib/pleroma/web/activity_pub/activity_pub.ex
@@ -1,8 +1,77 @@
 defmodule Pleroma.Web.ActivityPub.ActivityPub do
   alias Pleroma.Repo
-  alias Pleroma.Activity
+  alias Pleroma.{Activity, Object, Upload}
+  import Ecto.Query
 
   def insert(map) when is_map(map) do
+    map = Map.put_new_lazy(map, "id", &generate_activity_id/0)
+
+    map = if is_map(map["object"]) do
+      object = Map.put_new_lazy(map["object"], "id", &generate_object_id/0)
+      Repo.insert!(%Object{data: object})
+      Map.put(map, "object", object)
+    else
+      map
+    end
+
     Repo.insert(%Activity{data: map})
   end
+
+  def generate_activity_id do
+    generate_id("activities")
+  end
+
+  def generate_context_id do
+    generate_id("contexts")
+  end
+
+  def generate_object_id do
+    generate_id("objects")
+  end
+
+  def generate_id(type) do
+    "#{Pleroma.Web.base_url()}/#{type}/#{Ecto.UUID.generate}"
+  end
+
+  def fetch_public_activities(opts \\ %{}) do
+    public = ["https://www.w3.org/ns/activitystreams#Public"]
+    fetch_activities(public, opts)
+  end
+
+  def fetch_activities(recipients, opts \\ %{}) do
+    since_id = opts["since_id"] || 0
+
+    query = from activity in Activity,
+      limit: 20,
+      order_by: [desc: :inserted_at]
+
+    query = Enum.reduce(recipients, query, fn (recipient, q) ->
+      map = %{ to: [recipient] }
+      from activity in q,
+      or_where: fragment(~s(? @> ?), activity.data, ^map)
+    end)
+
+    query = from activity in query,
+      where: activity.id > ^since_id
+
+    query = if opts["max_id"] do
+      from activity in query, where: activity.id < ^opts["max_id"]
+    else
+      query
+    end
+
+    Repo.all(query)
+    |> Enum.reverse
+  end
+
+  def fetch_activities_for_context(context) do
+    query = from activity in Activity,
+      where: fragment("? @> ?", activity.data, ^%{ context: context })
+    Repo.all(query)
+  end
+
+  def upload(%Plug.Upload{} = file) do
+    data = Upload.store(file)
+    Repo.insert(%Object{data: data})
+  end
 end