Open Source Extensible Enterprise n-tier Application Framework with Multilayered Architecture

using System;
using System.Web.UI.WebControls;
using SiberTek.Xenta.Enums;
using SiberTek.Xenta.Presentation;
using SiberTek.Xenta.Presentation.Utils;
using SiberTek.Xenta.Presentation.Resources;
using SiberTek.Xenta.Web.Home.Modules;
using SiberTek.Xenta.Web.Utils;

namespace SiberTek.Xenta.Web.Home.Pages
{
    public partial class ArticlePage : HomePageBase
    {
        #region Properties
        private int QParamArticle
        {
            get
            {
                return HttpHelper.GetQueryParam<Int32>("Article");
            }
        }

        public override string PageTitle
        {
            get
            {
                return infArticle.MetaTitle;
            }
        }

        public override string PageDescription
        {
            get
            {
                return infArticle.MetaDescription;
            }
        }

        public override string PageKeywords
        {
            get
            {
                return infArticle.MetaKeywords;
            }
        }
        #endregion

        #region Handlers
        protected override void OnInit(EventArgs e)
        {
            if(!IsPostBack)
            {
                btnCreateComment.CommandName = "Create";
                lblTags.Text = StringManager.GetString("Home.ArticlePage.lblTags.Text");
                lblComments.Text = StringManager.GetString("Home.ArticlePage.lblComments.Text");
                lblCreateComment.Text = StringManager.GetString("Home.ArticlePage.lblCreateComment.Text");
                btnCreateComment.Text = StringManager.GetString("Home.ArticlePage.btnCreateComment.Text");
            }
            btnCreateComment.Command += frmPublicationCommentForm.OnCommand;
            btnCreateComment.Command += OnCommand;

            base.OnInit(e);
        }

        protected override void OnLoadComplete(EventArgs e)
        {
            if(!IsPostBack)
            {
                infArticle.PublicationID = QParamArticle;
                infArticle.BindData();

                if(!infArticle.Visible)
                {
                    Response.Redirect(UrlHelper.GetUrl("home", "not-found.aspx"));
                }

                lstTagList.PublicationID = QParamArticle;
                lstTagList.BindData();
                pnlTags.Visible = lstTagList.ItemCount != 0;

                int topicID = ForumHelper.GetForumTopicAssignedToPublication(QParamArticle);
                if(topicID != 0)
                {
                    frmPublicationCommentForm.TopicID = topicID;
                    lstPublicationCommentList.TopicID = topicID;

                    if(!ForumHelper.IsUserHasForumTopicPermission(topicID, UserContext.Current.UserID, (int)ForumPermission.ForumWrite))
                    {
                        btnCreateComment.Enabled = false;
                        frmPublicationCommentForm.Enabled = false;
                    }
                    if(ForumHelper.IsUserHasForumTopicPermission(topicID, UserContext.Current.UserID, (int)ForumPermission.ForumRead))
                    {
                        lstPublicationCommentList.BindData();
                    }
                    pnlComments.Visible = lstPublicationCommentList.ItemCount != 0;
                }
                else
                {
                    pnlComments.Visible = false;
                    pnlCreateComment.Visible = false;
                }

                blkTagCloudBlock.BindData();
                blkSubscriptionBlock.BindData();

                ctlBreadcrumb.Items.Add(new Breadcrumb.Item(StringManager.GetString("Home.HomePage.Title"), UrlHelper.GetUrl("home")));
                ctlBreadcrumb.Items.Add(new Breadcrumb.Item(StringManager.GetString("Home.ArticleIndexPage.Title"), UrlHelper.GetUrl("home", "articles.aspx")));
                ctlBreadcrumb.Items.Add(new Breadcrumb.Item(infArticle.MetaTitle));
                ctlBreadcrumb.BindData();
            }
            base.OnLoadComplete(e);
        }

        public void OnCommand(object sender, CommandEventArgs e)
        {
            switch(e.CommandName)
            {
                case "Create":
                    {
                        frmPublicationCommentForm.Reset();
                        lstPublicationCommentList.BindData();
                        pnlComments.Visible = lstPublicationCommentList.ItemCount != 0;
                    }
                    break;
            }
        }
        #endregion
    }
}