Introduce Booths for admin

app/controllers/admin/booths_controller.rb

@@ -0,0 +1,94 @@
+module Admin
+  class BoothsController < Admin::BaseController
+    load_and_authorize_resource :conference, find_by: :short_title
+    load_and_authorize_resource through: :conference
+
+    def index; end
+
+    def show; end
+
+    def new; end
+
+    def create
+      @booth = @conference.booths.new(booth_params)
+
+      @booth.submitter = current_user
+
+      if @booth.save
+        redirect_to admin_conference_booths_path,
+                    notice: 'Booth successfully created.'
+      else
+        flash[:error] = "Creating booth failed. #{@booth.errors.full_messages.to_sentence}."
+        render :new
+      end
+    end
+
+    def edit; end
+
+    def update
+      @booth.update_attributes(booth_params)
+
+      if @booth.save
+        redirect_to admin_conference_booths_path,
+                    notice: "Successfully updated booth for #{@booth.title}."
+      else
+        flash[:error] = "An error prohibited the Booth for #{@booth.title} "\
+                    "#{@booth.errors.full_messages.join('. ')}."
+        render :edit
+      end
+    end
+
+    def destroy
+      if @booth.destroy
+        redirect_to admin_conference_booths_path,
+                    notice: 'Booth successfully destroyed.'
+      else
+        redirect_to admin_conference_booths_path,
+                    error: "Booth couldn't be deleted. #{@booth.errors.full_messages.join('. ')}."
+      end
+    end
+
+    def accept
+      update_state(:accept, 'Booth accepted!')
+    end
+
+    def to_accept
+      update_state(:to_accept, 'Booth to accept')
+    end
+
+    def to_reject
+      update_state(:to_reject, 'Booth to reject')
+    end
+
+    def reject
+      update_state(:reject, 'Booth rejected')
+    end
+
+    def restart
+      update_state(:restart, 'Booth is submitted')
+    end
+
+    def cancel
+      update_state(:cancel, 'Booth is canceled')
+    end
+
+    private
+
+    def update_state(transition, notice)
+      alert = @booth.update_state(transition, notice)
+
+      if alert.blank?
+        flash[:notice] = notice
+        redirect_back_or_to(admin_conference_booths_path(conference_id: @conference.short_title)) && return
+      else
+        flash[:error] = alert
+        return redirect_back_or_to(admin_conference_booths_path(conference_id: @conference.short_title)) && return
+      end
+    end
+
+    def booth_params
+      params.require(:booth).permit(:title, :description, :reasoning, :state, :picture, :conference_id,
+                                    :created_at, :updated_at, :submitter_relationship, :website_url, responsible_ids: [])
+    end
+  end
+end