/branches/2007/Projects/Eneta.Portal.Forum/Controls/ForumsMainViewControl.cs

using System;

using System.Collections.Generic;

using System.Linq;

using System.Web.UI;

using System.Web.UI.HtmlControls;

using System.Web.UI.WebControls;

using Eneta.Portal.Common;

using Eneta.Portal.Common.Dto;

using Eneta.Portal.Common.Repository;

using Microsoft.SharePoint;



namespace Eneta.Portal.Forum.Controls

{

    public class ForumsMainViewControl : UserControl

    {

        protected Repeater _categoriesRepeater;

        protected HtmlGenericControl _introBlock;

        protected HtmlAnchor _rssLink;

        protected HtmlAnchor _rssCommentsLink;

        protected HtmlAnchor _rssLinkBottom;

        protected HtmlAnchor _rssCommentsLinkBottom;



        private ForumRepository _forumRepository;

        private ForumRepository ForumRepository

        {

            get

            {

                if (_forumRepository != null)

                    return _forumRepository;



                _forumRepository = new ForumRepository(SPContext.Current.Web);

                return _forumRepository;

            }

        }



        protected override void OnInit(EventArgs e)

        {

            base.OnInit(e);

            

            _categoriesRepeater.ItemDataBound += CategoriesRepeaterItemDataBound;

        }



        protected void CategoriesRepeaterItemDataBound(object sender, RepeaterItemEventArgs e)

        {

            if (e.Item.DataItem == null)

                return;



            var category = (ForumCategoryDto)e.Item.DataItem;



            var forumsRepeater = (Repeater) e.Item.FindControl("_forumsRepeater");

            if(forumsRepeater == null)

            {

                Logger.LogWarning("Cannot find _forumsRepeater", GetType().ToString());

                return;

            }

            forumsRepeater.ItemDataBound += ForumsRepeaterItemDataBound;

            forumsRepeater.DataSource = category.Forums;

            forumsRepeater.DataBind();

        }



        protected void ForumsRepeaterItemDataBound(object sender, RepeaterItemEventArgs e)

        {

            if (e.Item.DataItem == null)

                return;



            var forum = (ForumDto)e.Item.DataItem;



            var moderatorsRepeater = (Repeater) e.Item.FindControl("_moderatorsRepeater");

            moderatorsRepeater.DataSource = forum.Moderators;

            moderatorsRepeater.DataBind();

        }



        protected override void OnLoad(EventArgs e)

        {

            base.OnLoad(e);



            Page.Title = "Foorum | Microsoft Eneta";



            if (IsPostBack)

                return;



            try

            {

                if (string.IsNullOrEmpty(Request.QueryString["category"]))

                    if (!string.IsNullOrEmpty(Request.QueryString["rss"]))

                    {

                        Response.Clear();

                        Response.ContentType = "application/rss+xml";

                        Response.Write(ForumRepository.GetCommonRss());

                        Response.End();

                        return;

                    }

                    else if (!string.IsNullOrEmpty(Request.QueryString["commentrss"]))

                    {

                        Response.Clear();

                        Response.ContentType = "application/rss+xml";

                        Trace.Write("ForumCommentsRss: start");

                        Response.Write(ForumRepository.GetCommentsRss());

                        Trace.Write("ForumCommentsRss: finish");

                        Response.End();

                        return;

                    }

            }

            catch(Exception ex)

            {

                Logger.LogWarning("OnLoad(): Error creating forum rss", GetType().ToString());

                Logger.LogException(ex);

                Response.End();

            }

            int id;

            IList<ForumCategoryDto> categories;

            try

            {

                categories = ForumRepository.GetForumCategories();

                if (int.TryParse(Request.QueryString["category"], out id))

                {

                    if (!string.IsNullOrEmpty(Request.QueryString["rss"]))

                    {

                        Response.Clear();

                        Response.ContentType = "application/rss+xml";

                        Response.Write(ForumRepository.GetForumCategoryRss(id));

                        Response.End();

                        return;

                    }

                    if (!string.IsNullOrEmpty(Request.QueryString["commentrss"]))

                    {

                        Response.Clear();

                        Response.ContentType = "application/rss+xml";

                        Response.Write(ForumRepository.GetForumCategoryCommentsRss(id));

                        Response.End();

                        return;

                    }



                    categories = (from c in categories

                                  where c.Id == id

                                  select c).ToList();

                    _introBlock.Visible = false;



                    var category = categories.FirstOrDefault();

                    if (category == null || string.IsNullOrEmpty(category.FeedBurnerUrl))

                    {

                        _rssLink.HRef = Request.RawUrl + "&rss=1";

                        _rssCommentsLink.HRef = string.Empty;

                        //_rssCommentsLink.HRef = Request.RawUrl + "&commentrss=1";

                        _rssCommentsLink.Visible = false;



                        _rssLinkBottom.HRef = _rssLink.HRef;

                        _rssCommentsLinkBottom.HRef = _rssCommentsLink.HRef;

                        _rssCommentsLinkBottom.Visible = false;

                    }

                    else

                    {

                        _rssLink.HRef = category.FeedBurnerUrl;

                        _rssLink.InnerText = category.Title;

                        //_rssCommentsLink.HRef = Request.RawUrl + "&commentrss=1";

                        _rssCommentsLink.HRef = string.Empty;

                        _rssCommentsLink.Visible = false;



                        _rssLinkBottom.HRef = _rssLink.HRef;

                        _rssCommentsLinkBottom.HRef = _rssCommentsLink.HRef;

                        _rssCommentsLinkBottom.Visible = false;



                        Page.Title = "Foorum > " + category.Title + " | Microsoft Eneta";

                    }

                }

                _categoriesRepeater.DataSource = categories;

                _categoriesRepeater.DataBind();

            }

            catch(Exception ex)

            {

                Response.Write("<!-- " + ex + " -->");

                return;

            }





            var master = Page.Master;

            if (master != null)

            {

                try

                {

                    var link = (HtmlLink) master.FindControl("rssMetaUrl");

                    if (!string.IsNullOrEmpty(Request.QueryString["category"]))

                    {

                        link.Visible = true;

                        var cat = categories[0];

                        if (!string.IsNullOrEmpty(cat.FeedBurnerUrl))

                            link.Href = cat.FeedBurnerUrl;

                        else

                            link.Href = Request.RawUrl + "&rss=1";

                        link.Attributes["title"] = "Eneta foorum: " + categories[0].Title;



                    }

                    else

                    {

                        link.Visible = true;

                        link.Attributes["title"] = "Eneta foorum";

                    }

                }

                catch(Exception ex)

                {

                    Response.Write("<!-- " + ex + " -->");

                }

                try

                {

                    var dto = new RssLinksDto();

                    dto.RssTitle = _rssLink.InnerText;

                    dto.RssUrl = _rssLink.HRef;

                    dto.CommentsRssTitle = _rssCommentsLink.InnerText;

                    dto.CommentsRssUrl = _rssCommentsLink.HRef;



                    var typedMaster = master as MasterBaseWithDesignHack;

                    if (typedMaster != null)

                    {

                        typedMaster.SetRssLinks(dto);

                    }

                }

                catch(Exception ex)

                {

                    Response.Write("<!-- ex: " + ex + " -->");

                }

            }

        }



        private UserProfileRepository _profileRepository;

        public UserProfileRepository ProfileRepository

        {

            get

            {

                if (_profileRepository != null)

                    return _profileRepository;



                _profileRepository = new UserProfileRepository(SPContext.Current.Web);

                return _profileRepository;

            }

        }



        public string GetProfileImageUrl(int profileId)

        {

            var profile = ProfileRepository.GetUserProfileById(profileId);

            if (profile == null)

                return string.Empty;



            return profile.UserImage32x32Url;

        }



        public string GetShortTitle(string title)

        {

            if (string.IsNullOrEmpty(title))

                return title;



            if (title.Trim().Length == 0)

                return title;



            var len = 15;

            var suffix = string.Empty;



            if (title.Length < 15)

                len = title.Length;

            else if (title.Length > 15)

                suffix = "...";



            try

            {

                title = title.Substring(0, len).Trim() + suffix;

            }

            catch(Exception ex)

            {

                Logger.LogWarning("Exception in GetShortTitle()", string.Empty);

                Logger.LogException(ex);

            }



            return title;

        }

    }

}