Project initialize

app/controllers/departments_controller.rb

@@ -0,0 +1,61 @@
+class DepartmentsController < ApplicationController
+  before_action :require_admin!, except: [:index, :show]
+  before_action :set_department, only: [:show, :edit, :update, :destroy]
+  before_action :authorize_department!, only: [:show, :edit, :update, :destroy]
+
+  def index
+    @departments = accessible_departments.ordered
+    @department = Department.new
+  end
+
+  def show
+    @tasks = @department.tasks.ordered.includes(:assignee, :creator)
+    @users = @department.users.ordered
+  end
+
+  def new
+    @department = Department.new
+  end
+
+  def create
+    @department = Department.new(department_params)
+    if @department.save
+      redirect_to @department, notice: 'Department was successfully created.'
+    else
+      @departments = accessible_departments.ordered
+      render :index
+    end
+  end
+
+  def edit
+  end
+
+  def update
+    if @department.update(department_params)
+      redirect_to @department, notice: 'Department was successfully updated.'
+    else
+      render :edit
+    end
+  end
+
+  def destroy
+    @department.destroy
+    redirect_to departments_path, notice: 'Department was successfully deleted.'
+  end
+
+  private
+
+  def set_department
+    @department = Department.find(params[:id])
+  end
+
+  def authorize_department!
+    return if current_user&.admin?
+    return if current_user&.can_manage_department?(@department)
+    redirect_to departments_path, alert: 'Access denied.'
+  end
+
+  def department_params
+    params.require(:department).permit(:name, :description)
+  end
+end