X-Git-Url: http://git.squeep.com/?a=blobdiff_plain;f=lib%2Fpleroma%2Fchat.ex;h=b8545063a3ee2bb931c5fbc0b75ab896cd5a0e5d;hb=07ea4d73e12c65cf3fd5c194a8eb1f27900ed17f;hp=07ad62b97fbc63c0d63d782f7117800f1facc3cb;hpb=3775683a04e9b819f88bfba533b755bbd5b3c2df;p=akkoma

diff --git a/lib/pleroma/chat.ex b/lib/pleroma/chat.ex
index 07ad62b97..bacff24b5 100644
--- a/lib/pleroma/chat.ex
+++ b/lib/pleroma/chat.ex
@@ -1,13 +1,16 @@
 # Pleroma: A lightweight social networking server
-# Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/>
+# Copyright © 2017-2021 Pleroma Authors <https://pleroma.social/>
 # SPDX-License-Identifier: AGPL-3.0-only
 
 defmodule Pleroma.Chat do
   use Ecto.Schema
+
   import Ecto.Changeset
+  import Ecto.Query
 
-  alias Pleroma.User
+  alias Pleroma.Chat
   alias Pleroma.Repo
+  alias Pleroma.User
 
   @moduledoc """
   Chat keeps a reference to ChatMessage conversations between a user and an recipient. The recipient can be a user (for now) or a group (not implemented yet).
@@ -15,27 +18,80 @@ defmodule Pleroma.Chat do
   It is a helper only, to make it easy to display a list of chats with other people, ordered by last bump. The actual messages are retrieved by querying the recipients of the ChatMessages.
   """
 
+  @type t :: %__MODULE__{}
+  @primary_key {:id, FlakeId.Ecto.CompatType, autogenerate: true}
+
   schema "chats" do
     belongs_to(:user, User, type: FlakeId.Ecto.CompatType)
     field(:recipient, :string)
-    field(:unread, :integer, default: 0)
 
     timestamps()
   end
 
-  def creation_cng(struct, params) do
+  def changeset(struct, params) do
     struct
     |> cast(params, [:user_id, :recipient])
+    |> validate_change(:recipient, fn
+      :recipient, recipient ->
+        case User.get_cached_by_ap_id(recipient) do
+          nil -> [recipient: "must be an existing user"]
+          _ -> []
+        end
+    end)
     |> validate_required([:user_id, :recipient])
     |> unique_constraint(:user_id, name: :chats_user_id_recipient_index)
   end
 
+  @spec get_by_user_and_id(User.t(), FlakeId.Ecto.CompatType.t()) ::
+          {:ok, t()} | {:error, :not_found}
+  def get_by_user_and_id(%User{id: user_id}, id) do
+    from(c in __MODULE__,
+      where: c.id == ^id,
+      where: c.user_id == ^user_id
+    )
+    |> Repo.find_resource()
+  end
+
+  @spec get_by_id(FlakeId.Ecto.CompatType.t()) :: t() | nil
+  def get_by_id(id) do
+    Repo.get(__MODULE__, id)
+  end
+
+  @spec get(FlakeId.Ecto.CompatType.t(), String.t()) :: t() | nil
+  def get(user_id, recipient) do
+    Repo.get_by(__MODULE__, user_id: user_id, recipient: recipient)
+  end
+
+  @spec get_or_create(FlakeId.Ecto.CompatType.t(), String.t()) ::
+          {:ok, t()} | {:error, Ecto.Changeset.t()}
   def get_or_create(user_id, recipient) do
     %__MODULE__{}
-    |> creation_cng(%{user_id: user_id, recipient: recipient})
+    |> changeset(%{user_id: user_id, recipient: recipient})
+    |> Repo.insert(
+      # Need to set something, otherwise we get nothing back at all
+      on_conflict: [set: [recipient: recipient]],
+      returning: true,
+      conflict_target: [:user_id, :recipient]
+    )
+  end
+
+  @spec bump_or_create(FlakeId.Ecto.CompatType.t(), String.t()) ::
+          {:ok, t()} | {:error, Ecto.Changeset.t()}
+  def bump_or_create(user_id, recipient) do
+    %__MODULE__{}
+    |> changeset(%{user_id: user_id, recipient: recipient})
     |> Repo.insert(
       on_conflict: [set: [updated_at: NaiveDateTime.utc_now()]],
+      returning: true,
       conflict_target: [:user_id, :recipient]
     )
   end
+
+  @spec for_user_query(FlakeId.Ecto.CompatType.t()) :: Ecto.Query.t()
+  def for_user_query(user_id) do
+    from(c in Chat,
+      where: c.user_id == ^user_id,
+      order_by: [desc: c.updated_at]
+    )
+  end
 end