X-Git-Url: http://git.squeep.com/?a=blobdiff_plain;f=lib%2Fpleroma%2Factivity.ex;h=ab8861b277b7683660e6ca031dd8f69db664522c;hb=371a4aed2ca9f6926e49f6791c8b4d14292d20e5;hp=04c3bb6737a6dbc5d469cc1b9a8ef52f729cca99;hpb=1c3d3d0c2b6ebb4948df0b4ec085bcc4a564a126;p=akkoma

diff --git a/lib/pleroma/activity.ex b/lib/pleroma/activity.ex
index 04c3bb673..ab8861b27 100644
--- a/lib/pleroma/activity.ex
+++ b/lib/pleroma/activity.ex
@@ -7,6 +7,7 @@ defmodule Pleroma.Activity do
 
   alias Pleroma.Activity
   alias Pleroma.Notification
+  alias Pleroma.Object
   alias Pleroma.Repo
 
   import Ecto.Query
@@ -30,12 +31,45 @@ defmodule Pleroma.Activity do
     field(:data, :map)
     field(:local, :boolean, default: true)
     field(:actor, :string)
-    field(:recipients, {:array, :string})
+    field(:recipients, {:array, :string}, default: [])
     has_many(:notifications, Notification, on_delete: :delete_all)
 
+    # Attention: this is a fake relation, don't try to preload it blindly and expect it to work!
+    # The foreign key is embedded in a jsonb field.
+    #
+    # To use it, you probably want to do an inner join and a preload:
+    #
+    # ```
+    # |> join(:inner, [activity], o in Object,
+    #      on: fragment("(?->>'id') = COALESCE((?)->'object'->> 'id', (?)->>'object')",
+    #        o.data, activity.data, activity.data))
+    # |> preload([activity, object], [object: object])
+    # ```
+    #
+    # As a convenience, Activity.with_preloaded_object() sets up an inner join and preload for the
+    # typical case.
+    has_one(:object, Object, on_delete: :nothing, foreign_key: :id)
+
     timestamps()
   end
 
+  def with_preloaded_object(query) do
+    query
+    |> join(
+      :inner,
+      [activity],
+      o in Object,
+      on:
+        fragment(
+          "(?->>'id') = COALESCE(?->'object'->>'id', ?->>'object')",
+          o.data,
+          activity.data,
+          activity.data
+        )
+    )
+    |> preload([activity, object], object: object)
+  end
+
   def get_by_ap_id(ap_id) do
     Repo.one(
       from(
@@ -45,10 +79,44 @@ defmodule Pleroma.Activity do
     )
   end
 
+  def get_by_ap_id_with_object(ap_id) do
+    Repo.one(
+      from(
+        activity in Activity,
+        where: fragment("(?)->>'id' = ?", activity.data, ^to_string(ap_id)),
+        left_join: o in Object,
+        on:
+          fragment(
+            "(?->>'id') = COALESCE(?->'object'->>'id', ?->>'object')",
+            o.data,
+            activity.data,
+            activity.data
+          ),
+        preload: [object: o]
+      )
+    )
+  end
+
   def get_by_id(id) do
     Repo.get(Activity, id)
   end
 
+  def get_by_id_with_object(id) do
+    from(activity in Activity,
+      where: activity.id == ^id,
+      inner_join: o in Object,
+      on:
+        fragment(
+          "(?->>'id') = COALESCE(?->'object'->>'id', ?->>'object')",
+          o.data,
+          activity.data,
+          activity.data
+        ),
+      preload: [object: o]
+    )
+    |> Repo.one()
+  end
+
   def by_object_ap_id(ap_id) do
     from(
       activity in Activity,
@@ -76,7 +144,7 @@ defmodule Pleroma.Activity do
     )
   end
 
-  def create_by_object_ap_id(ap_id) do
+  def create_by_object_ap_id(ap_id) when is_binary(ap_id) do
     from(
       activity in Activity,
       where:
@@ -90,6 +158,8 @@ defmodule Pleroma.Activity do
     )
   end
 
+  def create_by_object_ap_id(_), do: nil
+
   def get_all_create_by_object_ap_id(ap_id) do
     Repo.all(create_by_object_ap_id(ap_id))
   end
@@ -101,8 +171,39 @@ defmodule Pleroma.Activity do
 
   def get_create_by_object_ap_id(_), do: nil
 
-  def normalize(obj) when is_map(obj), do: Activity.get_by_ap_id(obj["id"])
-  def normalize(ap_id) when is_binary(ap_id), do: Activity.get_by_ap_id(ap_id)
+  def create_by_object_ap_id_with_object(ap_id) when is_binary(ap_id) do
+    from(
+      activity in Activity,
+      where:
+        fragment(
+          "coalesce((?)->'object'->>'id', (?)->>'object') = ?",
+          activity.data,
+          activity.data,
+          ^to_string(ap_id)
+        ),
+      where: fragment("(?)->>'type' = 'Create'", activity.data),
+      inner_join: o in Object,
+      on:
+        fragment(
+          "(?->>'id') = COALESCE(?->'object'->>'id', ?->>'object')",
+          o.data,
+          activity.data,
+          activity.data
+        ),
+      preload: [object: o]
+    )
+  end
+
+  def create_by_object_ap_id_with_object(_), do: nil
+
+  def get_create_by_object_ap_id_with_object(ap_id) do
+    ap_id
+    |> create_by_object_ap_id_with_object()
+    |> Repo.one()
+  end
+
+  def normalize(obj) when is_map(obj), do: get_by_ap_id_with_object(obj["id"])
+  def normalize(ap_id) when is_binary(ap_id), do: get_by_ap_id_with_object(ap_id)
   def normalize(_), do: nil
 
   def get_in_reply_to_activity(%Activity{data: %{"object" => %{"inReplyTo" => ap_id}}}) do
@@ -144,4 +245,50 @@ defmodule Pleroma.Activity do
     |> where([s], s.actor == ^actor)
     |> Repo.all()
   end
+
+  def increase_replies_count(id) do
+    Activity
+    |> where(id: ^id)
+    |> update([a],
+      set: [
+        data:
+          fragment(
+            """
+            jsonb_set(?, '{object, repliesCount}',
+              (coalesce((?->'object'->>'repliesCount')::int, 0) + 1)::varchar::jsonb, true)
+            """,
+            a.data,
+            a.data
+          )
+      ]
+    )
+    |> Repo.update_all([])
+    |> case do
+      {1, [activity]} -> activity
+      _ -> {:error, "Not found"}
+    end
+  end
+
+  def decrease_replies_count(id) do
+    Activity
+    |> where(id: ^id)
+    |> update([a],
+      set: [
+        data:
+          fragment(
+            """
+            jsonb_set(?, '{object, repliesCount}',
+              (greatest(0, (?->'object'->>'repliesCount')::int - 1))::varchar::jsonb, true)
+            """,
+            a.data,
+            a.data
+          )
+      ]
+    )
+    |> Repo.update_all([])
+    |> case do
+      {1, [activity]} -> activity
+      _ -> {:error, "Not found"}
+    end
+  end
 end