Introduce backend for reports

Signed-off-by: Thomas Citharel <tcit@tcit.fr>

lib/mobilizon/reports/note.ex

@@ -0,0 +1,27 @@
+defmodule Mobilizon.Reports.Note do
+  @moduledoc """
+  Report Note entity
+  """
+  use Ecto.Schema
+  import Ecto.Changeset
+  alias Mobilizon.Actors.Actor
+  alias Mobilizon.Reports.Report
+
+  @attrs [:content, :moderator_id, :report_id]
+
+  @derive {Jason.Encoder, only: [:content]}
+  schema "report_notes" do
+    field(:content, :string)
+    belongs_to(:moderator, Actor)
+    belongs_to(:report, Report)
+
+    timestamps()
+  end
+
+  @doc false
+  def changeset(note, attrs) do
+    note
+    |> cast(attrs, @attrs)
+    |> validate_required(@attrs)
+  end
+end

lib/mobilizon/reports/report.ex

@@ -0,0 +1,59 @@
+import EctoEnum
+
+defenum(Mobilizon.Reports.ReportStateEnum, :report_state, [
+  :open,
+  :closed,
+  :resolved
+])
+
+defmodule Mobilizon.Reports.Report do
+  @moduledoc """
+  Report entity
+  """
+  use Ecto.Schema
+  import Ecto.Changeset
+  alias Mobilizon.Events.Comment
+  alias Mobilizon.Events.Event
+  alias Mobilizon.Actors.Actor
+  alias Mobilizon.Reports.Note
+
+  @derive {Jason.Encoder, only: [:status, :uri]}
+  schema "reports" do
+    field(:content, :string)
+    field(:status, Mobilizon.Reports.ReportStateEnum, default: :open)
+    field(:uri, :string)
+
+    # The reported actor
+    belongs_to(:reported, Actor)
+
+    # The actor who reported
+    belongs_to(:reporter, Actor)
+
+    # The actor who last acted on this report
+    belongs_to(:manager, Actor)
+
+    # The eventual Event inside the report
+    belongs_to(:event, Event)
+
+    # The eventual Comments inside the report
+    many_to_many(:comments, Comment, join_through: "reports_comments", on_replace: :delete)
+
+    # The notes associated to the report
+    has_many(:notes, Note, foreign_key: :report_id)
+
+    timestamps()
+  end
+
+  @doc false
+  def changeset(report, attrs) do
+    report
+    |> cast(attrs, [:content, :status, :uri, :reported_id, :reporter_id, :manager_id, :event_id])
+    |> validate_required([:content, :uri, :reported_id, :reporter_id])
+  end
+
+  def creation_changeset(report, attrs) do
+    report
+    |> changeset(attrs)
+    |> put_assoc(:comments, attrs["comments"])
+  end
+end