Add moderation API (#9387)

Fix #8580
Fix #7143

app/controllers/api/v1/admin/reports_controller.rb

@@ -0,0 +1,108 @@
+# frozen_string_literal: true
+
+class Api::V1::Admin::ReportsController < Api::BaseController
+  include Authorization
+  include AccountableConcern
+
+  LIMIT = 100
+
+  before_action -> { doorkeeper_authorize! :'admin:read', :'admin:read:reports' }, only: [:index, :show]
+  before_action -> { doorkeeper_authorize! :'admin:write', :'admin:write:reports' }, except: [:index, :show]
+  before_action :require_staff!
+  before_action :set_reports, only: :index
+  before_action :set_report, except: :index
+
+  after_action :insert_pagination_headers, only: :index
+
+  FILTER_PARAMS = %i(
+    resolved
+    account_id
+    target_account_id
+  ).freeze
+
+  PAGINATION_PARAMS = (%i(limit) + FILTER_PARAMS).freeze
+
+  def index
+    authorize :report, :index?
+    render json: @reports, each_serializer: REST::Admin::ReportSerializer
+  end
+
+  def show
+    authorize @report, :show?
+    render json: @report, serializer: REST::Admin::ReportSerializer
+  end
+
+  def assign_to_self
+    authorize @report, :update?
+    @report.update!(assigned_account_id: current_account.id)
+    log_action :assigned_to_self, @report
+    render json: @report, serializer: REST::Admin::ReportSerializer
+  end
+
+  def unassign
+    authorize @report, :update?
+    @report.update!(assigned_account_id: nil)
+    log_action :unassigned, @report
+    render json: @report, serializer: REST::Admin::ReportSerializer
+  end
+
+  def reopen
+    authorize @report, :update?
+    @report.unresolve!
+    log_action :reopen, @report
+    render json: @report, serializer: REST::Admin::ReportSerializer
+  end
+
+  def resolve
+    authorize @report, :update?
+    @report.resolve!(current_account)
+    log_action :resolve, @report
+    render json: @report, serializer: REST::Admin::ReportSerializer
+  end
+
+  private
+
+  def set_reports
+    @reports = filtered_reports.order(id: :desc).with_accounts.paginate_by_id(limit_param(LIMIT), params_slice(:max_id, :since_id, :min_id))
+  end
+
+  def set_report
+    @report = Report.find(params[:id])
+  end
+
+  def filtered_reports
+    ReportFilter.new(filter_params).results
+  end
+
+  def filter_params
+    params.permit(*FILTER_PARAMS)
+  end
+
+  def insert_pagination_headers
+    set_pagination_headers(next_path, prev_path)
+  end
+
+  def next_path
+    api_v1_admin_reports_url(pagination_params(max_id: pagination_max_id)) if records_continue?
+  end
+
+  def prev_path
+    api_v1_admin_reports_url(pagination_params(min_id: pagination_since_id)) unless @reports.empty?
+  end
+
+  def pagination_max_id
+    @reports.last.id
+  end
+
+  def pagination_since_id
+    @reports.first.id
+  end
+
+  def records_continue?
+    @reports.size == limit_param(LIMIT)
+  end
+
+  def pagination_params(core_params)
+    params.slice(*PAGINATION_PARAMS).permit(*PAGINATION_PARAMS).merge(core_params)
+  end
+end