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   1 # Pleroma: A lightweight social networking server
   2 # Copyright © 2017-2021 Pleroma Authors <https://pleroma.social/>
   3 # SPDX-License-Identifier: AGPL-3.0-only
   4
   5 defmodule Pleroma.UserNote do
   6   use Ecto.Schema
   7
   8   import Ecto.Changeset
   9   import Ecto.Query
  10
  11   alias Pleroma.Repo
  12   alias Pleroma.User
  13   alias Pleroma.UserNote
  14
  15   schema "user_notes" do
  16     belongs_to(:source, User, type: FlakeId.Ecto.CompatType)
  17     belongs_to(:target, User, type: FlakeId.Ecto.CompatType)
  18     field(:comment, :string)
  19
  20     timestamps()
  21   end
  22
  23   def changeset(%UserNote{} = user_note, params \\ %{}) do
  24     user_note
  25     |> cast(params, [:source_id, :target_id, :comment])
  26     |> validate_required([:source_id, :target_id])
  27   end
  28
  29   def show(%User{} = source, %User{} = target) do
  30     with %UserNote{} = note <-
  31            UserNote
  32            |> where(source_id: ^source.id, target_id: ^target.id)
  33            |> Repo.one() do
  34       note.comment
  35     else
  36       _ -> ""
  37     end
  38   end
  39
  40   def create(%User{} = source, %User{} = target, comment) do
  41     %UserNote{}
  42     |> changeset(%{
  43       source_id: source.id,
  44       target_id: target.id,
  45       comment: comment
  46     })
  47     |> Repo.insert(
  48       on_conflict: {:replace, [:comment]},
  49       conflict_target: [:source_id, :target_id]
  50     )
  51   end
  52 end