1Using#region Using
  2
  3using System;
  4using System.Web;
  5using System.Collections.Generic;
  6using System.Text;
  7using System.IO;
  8using System.Xml;
  9using LiveBlog.Core.Providers;
 10
 11#endregion
 12
 13namespace LiveBlog.Core
 14...{
 15  /**//// <summary>
 16  /// A page is much like a post, but is not part of the
 17  /// blog chronology and is more static in nature.
 18  /// <remarks>
 19  /// Pages can be used for "About" pages or other static
 20  /// information.
 21  /// </remarks>
 22  /// </summary>
 23  public sealed class Page : BusinessBase<Page, Guid>, IPublishable
 24  ...{
 25
 26    Constructor#region Constructor
 27
 28    /**//// <summary>
 29    /// The contructor sets default values.
 30    /// </summary>
 31    public Page()
 32    ...{
 33      base.Id = Guid.NewGuid();
 34      DateCreated = DateTime.Now;
 35    }
 36
 37    #endregion
 38
 39    Properties#region Properties
 40
 41    private string _Title;
 42    /**//// <summary>
 43    /// Gets or sets the Title or the object.
 44    /// </summary>
 45    public string Title
 46    ...{
 47      get ...{ return _Title; }
 48      set
 49      ...{
 50        if (_Title != value) MarkChanged("Title");
 51        _Title = value;
 52      }
 53    }
 54
 55    private string _Content;
 56    /**//// <summary>
 57    /// Gets or sets the Description or the object.
 58    /// </summary>
 59    public string Content
 60    ...{
 61      get ...{ return _Content; }
 62      set
 63      ...{
 64        if (_Content != value) MarkChanged("Content");
 65        _Content = value;
 66      }
 67    }
 68
 69    private string _Description;
 70    /**//// <summary>
 71    /// Gets or sets the Description or the object.
 72    /// </summary>
 73    public string Description
 74    ...{
 75      get ...{ return _Description; }
 76      set
 77      ...{
 78        if (_Description != value) MarkChanged("Description");
 79        _Description = value;
 80      }
 81    }
 82
 83    private string _Keywords;
 84    /**//// <summary>
 85    /// Gets or sets the Keywords or the object.
 86    /// </summary>
 87    public string Keywords
 88    ...{
 89      get ...{ return _Keywords; }
 90      set
 91      ...{
 92        if (_Keywords != value) MarkChanged("Keywords");
 93        _Keywords = value;
 94      }
 95    }
 96
 97    private Guid _Parent;
 98    /**//// <summary>
 99    /// Gets or sets the parent of the Page. It is used to construct the 
100    /// hierachy of the pages.
101    /// </summary>
102    public Guid Parent
103    ...{
104      get ...{ return _Parent; }
105      set 
106      ...{
107        if (_Parent != value) MarkChanged("Parent");
108        _Parent = value; 
109      }
110    }
111
112    private string _Slug;
113    /**//// <summary>
114    /// Gets or sets the Slug of the Page.
115    /// A Slug is the relative URL used by the pages.
116    /// </summary>
117    public string Slug
118    ...{
119        get
120        ...{
121            if (string.IsNullOrEmpty(_Slug))
122                return Utils.RemoveIllegalCharacters(Title);
123
124            return _Slug;
125        }
126        set ...{ _Slug = value; }
127    }
128
129    private bool _IsPublished;
130    /**//// <summary>
131    /// Gets or sets whether or not this page should be published.
132    /// </summary>
133    public bool IsPublished
134    ...{
135      get ...{ return _IsPublished; }
136      set
137      ...{
138        if (_IsPublished != value) MarkChanged("IsPublished");
139        _IsPublished = value;
140      }
141    }
142
143    /**//// <summary>
144    /// Gets whether or not this page should be shown
145    /// </summary>
146    /// <value></value>
147    public bool IsVisible
148    ...{
149      get ...{ return IsPublished; }
150    }
151
152    private bool _IsFrontPage;
153    /**//// <summary>
154    /// Gets or sets whether or not this page should be displayed on the front page.
155    /// </summary>
156    public bool IsFrontPage
157    ...{
158      get ...{ return _IsFrontPage; }
159      set
160      ...{
161        if (_IsFrontPage != value) MarkChanged("IsFrontPage");
162        _IsFrontPage = value; 
163      }
164    }
165
166    private bool _ShowInList;
167    /**//// <summary>
168    /// Gets or sets whether or not this page should be in the sitemap list.
169    /// </summary>
170    public bool ShowInList
171    ...{
172      get ...{ return _ShowInList; }
173      set
174      ...{
175        if (_ShowInList != value) MarkChanged("ShowInList");
176        _ShowInList = value; 
177      }
178    }
179
180    /**//// <summary>
181    /// A relative-to-the-site-root path to the post.
182    /// Only for in-site use.
183    /// </summary>
184    public string RelativeLink
185    ...{
186        get
187        ...{
188            string slug = Utils.RemoveIllegalCharacters(Slug) + BlogSettings.Instance.FileExtension;
189            return Utils.RelativeWebRoot + "page/" + slug;
190        }
191    }
192
193    /**//// <summary>
194    /// The absolute URI to the path.
195    /// </summary>
196    public Uri AbsoluteLink
197    ...{
198      get ...{ return Utils.ConvertToAbsolute(RelativeLink); }
199    }
200
201    private static object _SyncRoot = new object();
202    private static List<Page> _Pages;
203    /**//// <summary>
204    /// Gets an unsorted list of all pages.
205    /// </summary>
206    public static List<Page> Pages
207    ...{
208      get
209      ...{
210        if (_Pages == null)
211        ...{
212                    lock (_SyncRoot)
213                    ...{
214                        if (_Pages == null)
215                        ...{
216                            _Pages = BlogService.FillPages();
217                            _Pages.Sort(delegate(Page p1, Page p2) ...{ return String.Compare(p1.Title, p2.Title); });
218                        }
219                    }        
220        }
221
222        return _Pages;
223      }
224    }
225
226    /**//// <summary>
227    /// Returns a page based on the specified id.
228    /// </summary>
229    public static Page GetPage(Guid id)
230    ...{
231      foreach (Page page in Pages)
232      ...{
233        if (page.Id == id)
234          return page;
235      }
236
237      return null;
238    }
239
240    /**//// <summary>
241    /// Returns the front page if any is available.
242    /// </summary>
243    public static Page GetFrontPage()
244    ...{
245      foreach (Page page in Pages)
246      ...{
247        if (page.IsFrontPage)
248          return page;
249      }
250
251      return null;
252    }
253
254