Merge branch 'feature/reports-groups-and-multiple-state-update' into 'develop'

Admin API: Grouped reports, update multiple reports in one query

Closes admin-fe#43

See merge request pleroma/pleroma!1815

6 files changed, 197 insertions, 38 deletions

diff --git a/lib/pleroma/activity.ex b/lib/pleroma/activity.ex
index c1065611b..7e283df32 100644
--- a/lib/pleroma/activity.ex
+++ b/lib/pleroma/activity.ex
@@ -41,6 +41,10 @@ defmodule Pleroma.Activity do
     field(:actor, :string)
     field(:recipients, {:array, :string}, default: [])
     field(:thread_muted?, :boolean, virtual: true)
+
+    # This is a fake relation,
+    # do not use outside of with_preloaded_user_actor/with_joined_user_actor
+    has_one(:user_actor, User, on_delete: :nothing, foreign_key: :id)
     # This is a fake relation, do not use outside of with_preloaded_bookmark/get_bookmark
     has_one(:bookmark, Bookmark)
     has_many(:notifications, Notification, on_delete: :delete_all)
@@ -86,6 +90,19 @@ defmodule Pleroma.Activity do
     |> preload([activity, object: object], object: object)
   end
 
+  def with_joined_user_actor(query, join_type \\ :inner) do
+    join(query, join_type, [activity], u in User,
+      on: u.ap_id == activity.actor,
+      as: :user_actor
+    )
+  end
+
+  def with_preloaded_user_actor(query, join_type \\ :inner) do
+    query
+    |> with_joined_user_actor(join_type)
+    |> preload([activity, user_actor: user_actor], user_actor: user_actor)
+  end
+
   def with_preloaded_bookmark(query, %User{} = user) do
     from([a] in query,
       left_join: b in Bookmark,
diff --git a/lib/pleroma/web/activity_pub/utils.ex b/lib/pleroma/web/activity_pub/utils.ex
index 91cfa2194..c45662359 100644
--- a/lib/pleroma/web/activity_pub/utils.ex
+++ b/lib/pleroma/web/activity_pub/utils.ex
@@ -11,6 +11,7 @@ defmodule Pleroma.Web.ActivityPub.Utils do
   alias Pleroma.Repo
   alias Pleroma.User
   alias Pleroma.Web
+  alias Pleroma.Web.ActivityPub.ActivityPub
   alias Pleroma.Web.ActivityPub.Visibility
   alias Pleroma.Web.AdminAPI.AccountView
   alias Pleroma.Web.Endpoint
@@ -706,26 +707,31 @@ defmodule Pleroma.Web.ActivityPub.Utils do
   def make_flag_data(_, _), do: %{}
 
   defp build_flag_object(%{account: account, statuses: statuses} = _) do
-    [account.ap_id] ++
-      Enum.map(statuses || [], fn act ->
-        id =
-          case act do
-            %Activity{} = act -> act.data["id"]
-            act when is_map(act) -> act["id"]
-            act when is_binary(act) -> act
-          end
+    [account.ap_id] ++ build_flag_object(%{statuses: statuses})
+  end
 
-        activity = Activity.get_by_ap_id_with_object(id)
-        actor = User.get_by_ap_id(activity.object.data["actor"])
+  defp build_flag_object(%{statuses: statuses}) do
+    Enum.map(statuses || [], &build_flag_object/1)
+  end
 
-        %{
-          "type" => "Note",
-          "id" => activity.data["id"],
-          "content" => activity.object.data["content"],
-          "published" => activity.object.data["published"],
-          "actor" => AccountView.render("show.json", %{user: actor})
-        }
-      end)
+  defp build_flag_object(act) when is_map(act) or is_binary(act) do
+    id =
+      case act do
+        %Activity{} = act -> act.data["id"]
+        act when is_map(act) -> act["id"]
+        act when is_binary(act) -> act
+      end
+
+    activity = Activity.get_by_ap_id_with_object(id)
+    actor = User.get_by_ap_id(activity.object.data["actor"])
+
+    %{
+      "type" => "Note",
+      "id" => activity.data["id"],
+      "content" => activity.object.data["content"],
+      "published" => activity.object.data["published"],
+      "actor" => AccountView.render("show.json", %{user: actor})
+    }
   end
 
   defp build_flag_object(_), do: []
@@ -770,6 +776,94 @@ defmodule Pleroma.Web.ActivityPub.Utils do
   end
 
   #### Report-related helpers
+  def get_reports(params, page, page_size) do
+    params =
+      params
+      |> Map.put("type", "Flag")
+      |> Map.put("skip_preload", true)
+      |> Map.put("total", true)
+      |> Map.put("limit", page_size)
+      |> Map.put("offset", (page - 1) * page_size)
+
+    ActivityPub.fetch_activities([], params, :offset)
+  end
+
+  @spec get_reports_grouped_by_status(%{required(:activity) => String.t()}) :: %{
+          required(:groups) => [
+            %{
+              required(:date) => String.t(),
+              required(:account) => %{},
+              required(:status) => %{},
+              required(:actors) => [%User{}],
+              required(:reports) => [%Activity{}]
+            }
+          ],
+          required(:total) => integer
+        }
+  def get_reports_grouped_by_status(groups) do
+    parsed_groups =
+      groups
+      |> Enum.map(fn entry ->
+        activity =
+          case Jason.decode(entry.activity) do
+            {:ok, activity} -> activity
+            _ -> build_flag_object(entry.activity)
+          end
+
+        parse_report_group(activity)
+      end)
+
+    %{
+      groups: parsed_groups
+    }
+  end
+
+  def parse_report_group(activity) do
+    reports = get_reports_by_status_id(activity["id"])
+    max_date = Enum.max_by(reports, &NaiveDateTime.from_iso8601!(&1.data["published"]))
+    actors = Enum.map(reports, & &1.user_actor)
+
+    %{
+      date: max_date.data["published"],
+      account: activity["actor"],
+      status: %{
+        id: activity["id"],
+        content: activity["content"],
+        published: activity["published"]
+      },
+      actors: Enum.uniq(actors),
+      reports: reports
+    }
+  end
+
+  def get_reports_by_status_id(ap_id) do
+    from(a in Activity,
+      where: fragment("(?)->>'type' = 'Flag'", a.data),
+      where: fragment("(?)->'object' @> ?", a.data, ^[%{id: ap_id}])
+    )
+    |> Activity.with_preloaded_user_actor()
+    |> Repo.all()
+  end
+
+  @spec get_reported_activities() :: [
+          %{
+            required(:activity) => String.t(),
+            required(:date) => String.t()
+          }
+        ]
+  def get_reported_activities do
+    from(a in Activity,
+      where: fragment("(?)->>'type' = 'Flag'", a.data),
+      select: %{
+        date: fragment("max(?->>'published') date", a.data),
+        activity:
+          fragment("jsonb_array_elements_text((? #- '{object,0}')->'object') activity", a.data)
+      },
+      group_by: fragment("activity"),
+      order_by: fragment("date DESC")
+    )
+    |> Repo.all()
+  end
 
   def update_report_state(%Activity{} = activity, state)
       when state in @strip_status_report_states do
@@ -793,6 +887,18 @@ defmodule Pleroma.Web.ActivityPub.Utils do
     |> Repo.update()
   end
 
+  def update_report_state(activity_ids, state) when state in @supported_report_states do
+    activities_num = length(activity_ids)
+
+    from(a in Activity, where: a.id in ^activity_ids)
+    |> update(set: [data: fragment("jsonb_set(data, '{state}', ?)", ^state)])
+    |> Repo.update_all([])
+    |> case do
+      {^activities_num, _} -> :ok
+      _ -> {:error, activity_ids}
+    end
+  end
+
   def update_report_state(_, _), do: {:error, "Unsupported state"}
 
   def strip_report_status_data(activity) do
diff --git a/lib/pleroma/web/admin_api/admin_api_controller.ex b/lib/pleroma/web/admin_api/admin_api_controller.ex
index 30fc01755..8c1318d1b 100644
--- a/lib/pleroma/web/admin_api/admin_api_controller.ex
+++ b/lib/pleroma/web/admin_api/admin_api_controller.ex
@@ -11,6 +11,7 @@ defmodule Pleroma.Web.AdminAPI.AdminAPIController do
   alias Pleroma.UserInviteToken
   alias Pleroma.Web.ActivityPub.ActivityPub
   alias Pleroma.Web.ActivityPub.Relay
+  alias Pleroma.Web.ActivityPub.Utils
   alias Pleroma.Web.AdminAPI.AccountView
   alias Pleroma.Web.AdminAPI.Config
   alias Pleroma.Web.AdminAPI.ConfigView
@@ -624,19 +625,17 @@ defmodule Pleroma.Web.AdminAPI.AdminAPIController do
   def list_reports(conn, params) do
     {page, page_size} = page_params(params)
 
-    params =
-      params
-      |> Map.put("type", "Flag")
-      |> Map.put("skip_preload", true)
-      |> Map.put("total", true)
-      |> Map.put("limit", page_size)
-      |> Map.put("offset", (page - 1) * page_size)
+    conn
+    |> put_view(ReportView)
+    |> render("index.json", %{reports: Utils.get_reports(params, page, page_size)})
+  end
 
-    reports = ActivityPub.fetch_activities([], params, :offset)
+  def list_grouped_reports(conn, _params) do
+    reports = Utils.get_reported_activities()
 
     conn
     |> put_view(ReportView)
-    |> render("index.json", %{reports: reports})
+    |> render("index_grouped.json", Utils.get_reports_grouped_by_status(reports))
   end
 
   def report_show(conn, %{"id" => id}) do
@@ -649,17 +648,26 @@ defmodule Pleroma.Web.AdminAPI.AdminAPIController do
     end
   end
 
-  def report_update_state(%{assigns: %{user: admin}} = conn, %{"id" => id, "state" => state}) do
-    with {:ok, report} <- CommonAPI.update_report_state(id, state) do
-      ModerationLog.insert_log(%{
-        action: "report_update",
-        actor: admin,
-        subject: report
-      })
+  def reports_update(%{assigns: %{user: admin}} = conn, %{"reports" => reports}) do
+    result =
+      reports
+      |> Enum.map(fn report ->
+        with {:ok, activity} <- CommonAPI.update_report_state(report["id"], report["state"]) do
+          ModerationLog.insert_log(%{
+            action: "report_update",
+            actor: admin,
+            subject: activity
+          })
+
+          activity
+        else
+          {:error, message} -> %{id: report["id"], error: message}
+        end
+      end)
 
-      conn
-      |> put_view(ReportView)
-      |> render("show.json", Report.extract_report_info(report))
+    case Enum.any?(result, &Map.has_key?(&1, :error)) do
+      true -> json_response(conn, :bad_request, result)
+      false -> json_response(conn, :no_content, "")
     end
   end
 
diff --git a/lib/pleroma/web/admin_api/views/report_view.ex b/lib/pleroma/web/admin_api/views/report_view.ex
index 101a74c63..ca88595c7 100644
--- a/lib/pleroma/web/admin_api/views/report_view.ex
+++ b/lib/pleroma/web/admin_api/views/report_view.ex
@@ -42,6 +42,26 @@ defmodule Pleroma.Web.AdminAPI.ReportView do
     }
   end
 
+  def render("index_grouped.json", %{groups: groups}) do
+    reports =
+      Enum.map(groups, fn group ->
+        %{
+          date: group[:date],
+          account: group[:account],
+          status: group[:status],
+          actors: Enum.map(group[:actors], &merge_account_views/1),
+          reports:
+            group[:reports]
+            |> Enum.map(&Report.extract_report_info(&1))
+            |> Enum.map(&render(__MODULE__, "show.json", &1))
+        }
+      end)
+
+    %{
+      reports: reports
+    }
+  end
+
   defp merge_account_views(%User{} = user) do
     Pleroma.Web.MastodonAPI.AccountView.render("show.json", %{user: user})
     |> Map.merge(Pleroma.Web.AdminAPI.AccountView.render("show.json", %{user: user}))
diff --git a/lib/pleroma/web/common_api/common_api.ex b/lib/pleroma/web/common_api/common_api.ex
index f1937b1ec..fe6e26a90 100644
--- a/lib/pleroma/web/common_api/common_api.ex
+++ b/lib/pleroma/web/common_api/common_api.ex
@@ -370,6 +370,13 @@ defmodule Pleroma.Web.CommonAPI do
     end
   end
 
+  def update_report_state(activity_ids, state) when is_list(activity_ids) do
+    case Utils.update_report_state(activity_ids, state) do
+      :ok -> {:ok, activity_ids}
+      _ -> {:error, dgettext("errors", "Could not update state")}
+    end
+  end
+
   def update_report_state(activity_id, state) do
     with %Activity{} = activity <- Activity.get_by_id(activity_id) do
       Utils.update_report_state(activity, state)
diff --git a/lib/pleroma/web/router.ex b/lib/pleroma/web/router.ex
index 93e7e45f9..9b8b373b8 100644
--- a/lib/pleroma/web/router.ex
+++ b/lib/pleroma/web/router.ex
@@ -178,8 +178,9 @@ defmodule Pleroma.Web.Router do
     get("/users/:nickname/statuses", AdminAPIController, :list_user_statuses)
 
     get("/reports", AdminAPIController, :list_reports)
+    get("/grouped_reports", AdminAPIController, :list_grouped_reports)
     get("/reports/:id", AdminAPIController, :report_show)
-    put("/reports/:id", AdminAPIController, :report_update_state)
+    patch("/reports", AdminAPIController, :reports_update)
     post("/reports/:id/respond", AdminAPIController, :report_respond)
 
     put("/statuses/:id", AdminAPIController, :status_update)