Dashboard controllers have been refactored

Proposal dashboard related controllers have been refactored inside its
own namespace.

app/controllers/admin/proposal_dashboard/actions_controller.rb

@@ -0,0 +1,63 @@
+class Admin::ProposalDashboard::ActionsController < Admin::ProposalDashboard::BaseController
+  helper_method :proposal_dashboard_action, :resource
+
+  def index
+    @proposal_dashboard_actions = ProposalDashboardAction.all
+  end
+
+  def new
+    @proposal_dashboard_action = ProposalDashboardAction.new(
+      active: true,
+      day_offset: 0,
+      required_supports: 0,
+      request_to_administrators: true,
+      action_type: 'proposed_action'
+    )
+  end
+
+  def create
+    @proposal_dashboard_action = ProposalDashboardAction.new(proposal_dashboard_action_params)
+    if @proposal_dashboard_action.save
+      redirect_to admin_proposal_dashboard_actions_path, notice: t('admin.proposal_dashboard_actions.create.notice')
+    else
+      render :new
+    end
+  end
+
+  def edit; end
+  
+  def update
+    if proposal_dashboard_action.update(proposal_dashboard_action_params)
+      redirect_to admin_proposal_dashboard_actions_path
+    else
+      render :edit
+    end
+  end
+
+  def destroy
+    if proposal_dashboard_action.destroy
+      flash[:notice] = t('admin.proposal_dashboard_actions.delete.success')
+    else
+      flash[:error] = proposal_dashboard_action.errors.full_messages.join(',')
+    end
+
+    redirect_to admin_proposal_dashboard_actions_path
+  end
+
+  private
+
+  def resource
+    @proposal_dashboard_action
+  end
+
+  def proposal_dashboard_action_params
+    params
+      .require(:proposal_dashboard_action)
+      .permit(:title, :description, :link, :request_to_administrators, :day_offset, :required_supports, :order, :active, :action_type)
+  end
+
+
+  def proposal_dashboard_action
+    @proposal_dashboard_action ||= ProposalDashboardAction.find(params[:id])
+  end
+end