X-Git-Url: http://git.squeep.com/?a=blobdiff_plain;f=lib%2Fpleroma%2Frepo.ex;h=f57e088bc288f321c11c62868ea5b363d77a702b;hb=3b1bc079af8fb6e467a9114de0d32e2de59a7fab;hp=7cecd7b385eed95242803ab2869fa8f795fd7e6e;hpb=a93f3421a704d6728a856d5d82cdbf9c43f3f897;p=akkoma

diff --git a/lib/pleroma/repo.ex b/lib/pleroma/repo.ex
index 7cecd7b38..f57e088bc 100644
--- a/lib/pleroma/repo.ex
+++ b/lib/pleroma/repo.ex
@@ -1,5 +1,16 @@
+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2019 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
 defmodule Pleroma.Repo do
-  use Ecto.Repo, otp_app: :pleroma
+  use Ecto.Repo,
+    otp_app: :pleroma,
+    adapter: Ecto.Adapters.Postgres,
+    migration_timestamps: [type: :naive_datetime_usec]
+
+  defmodule Instrumenter do
+    use Prometheus.EctoInstrumenter
+  end
 
   @doc """
   Dynamically loads the repository url from the
@@ -8,4 +19,32 @@ defmodule Pleroma.Repo do
   def init(_, opts) do
     {:ok, Keyword.put(opts, :url, System.get_env("DATABASE_URL"))}
   end
+
+  @doc "find resource based on prepared query"
+  @spec find_resource(Ecto.Query.t()) :: {:ok, struct()} | {:error, :not_found}
+  def find_resource(%Ecto.Query{} = query) do
+    case __MODULE__.one(query) do
+      nil -> {:error, :not_found}
+      resource -> {:ok, resource}
+    end
+  end
+
+  def find_resource(_query), do: {:error, :not_found}
+
+  @doc """
+  Gets association from cache or loads if need
+
+  ## Examples
+
+    iex> Repo.get_assoc(token, :user)
+    %User{}
+
+  """
+  @spec get_assoc(struct(), atom()) :: {:ok, struct()} | {:error, :not_found}
+  def get_assoc(resource, association) do
+    case __MODULE__.preload(resource, association) do
+      %{^association => assoc} when not is_nil(assoc) -> {:ok, assoc}
+      _ -> {:error, :not_found}
+    end
+  end
 end