Merge pull request 'Small improvements to the Gentoo installation isntructions' ...

[akkoma] / lib / pleroma / hashtag.ex

diff --git a/lib/pleroma/hashtag.ex b/lib/pleroma/hashtag.ex
index e9d143fb18359b553cb4f6e8b959e5cd7de1653b..9030ee4e92c0f1537476459f0eda21eb2b49c756 100644 (file)
--- a/lib/pleroma/hashtag.ex
+++ b/lib/pleroma/hashtag.ex
@@ -10,6 +10,7 @@ defmodule Pleroma.Hashtag do
 
   alias Ecto.Multi
   alias Pleroma.Hashtag
+  alias Pleroma.User.HashtagFollow
   alias Pleroma.Object
   alias Pleroma.Repo
 
@@ -27,19 +28,23 @@ defmodule Pleroma.Hashtag do
     |> String.trim()
   end
 
+  def get_by_id(id) do
+    Repo.get(Hashtag, id)
+  end
+
   def get_by_name(name) do
     Repo.get_by(Hashtag, name: normalize_name(name))
   end
 
-  def get_or_create_by_name(name) when is_bitstring(name) do
-    with %Hashtag{} = hashtag <- get_by_name(name) do
-      {:ok, hashtag}
-    else
-      _ ->
-        %Hashtag{}
-        |> changeset(%{name: name})
-        |> Repo.insert()
-    end
+  def get_or_create_by_name(name) do
+    changeset = changeset(%Hashtag{}, %{name: name})
+
+    Repo.insert(
+      changeset,
+      on_conflict: [set: [name: get_field(changeset, :name)]],
+      conflict_target: :name,
+      returning: true
+    )
   end
 
   def get_or_create_by_names(names) when is_list(names) do
@@ -107,4 +112,22 @@ defmodule Pleroma.Hashtag do
       {:ok, deleted_count}
     end
   end
+
+  def get_followers(%Hashtag{id: hashtag_id}) do
+    from(hf in HashtagFollow)
+    |> where([hf], hf.hashtag_id == ^hashtag_id)
+    |> join(:inner, [hf], u in assoc(hf, :user))
+    |> select([hf, u], u.id)
+    |> Repo.all()
+  end
+
+  def get_recipients_for_activity(%Pleroma.Activity{object: %{hashtags: tags}})
+      when is_list(tags) do
+    tags
+    |> Enum.map(&get_followers/1)
+    |> List.flatten()
+    |> Enum.uniq()
+  end
+
+  def get_recipients_for_activity(_activity), do: []
 end