Events: initial implementation

app/controllers/events_controller.rb

@@ -0,0 +1,56 @@
+class EventsController < ApplicationController
+  before_action :set_event, only: %i[ destroy show ]
+
+  def index
+    authorize :event
+
+    @events = current_user.events.order(created_at: :desc)
+    @contests_without_event = current_user.contests.where(event: nil).size
+    @title = I18n.t("events.index.title", username: current_user.username)
+  end
+
+  def new
+    authorize :event
+
+    @event = Event.new
+    @title = I18n.t("events.new.title")
+    @nonav = true
+  end
+
+  def create
+    authorize :event
+
+    @event = Event.new(new_event_params)
+    @event.lang = @current_user.lang
+    @event.user_id = current_user.id
+    if @event.save
+      redirect_to "/events/#{@event.id}", notice: t("events.new.notice")
+    else
+      @title = I18n.t("events.new.title")
+      @nonav = true
+      render :new, status: :unprocessable_entity
+    end
+  end
+
+  def show
+    authorize @event
+
+    @contests = @event.contests
+    @title = @event.name
+  end
+
+  def destroy
+    authorize @event
+
+    @event.destroy
+    redirect_to events_path, notice: t("events.destroy.notice")
+  end
+
+  def set_event
+    @event = Event.find(params[:id])
+  end
+
+  def new_event_params
+    params.expect(event: [ :name, :shared_scoreboard ])
+  end
+end