screwturn-4/PluginPack/PagesSandbox.cs
2009-09-30 13:47:13 +00:00

798 lines
30 KiB
C#

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using ScrewTurn.Wiki.PluginFramework;
using ScrewTurn.Wiki.SearchEngine;
namespace ScrewTurn.Wiki.Plugins.PluginPack {
/// <summary>
/// Implements a sandbox plugin for pages.
/// </summary>
public class PagesSandbox {
private IHostV30 host;
private string config;
private static readonly ComponentInformation info = new ComponentInformation("Pages Sandbox", "ScrewTurn Software", "3.0.0.180", "http://www.screwturn.eu", "http://www.screwturn.eu/Version/PluginPack/PagesSandbox.txt");
private List<NamespaceInfo> allNamespaces = new List<NamespaceInfo>(5);
private List<PageInfo> allPages;
private Dictionary<PageInfo, PageContent> allContents;
private Dictionary<PageContent, List<PageContent>> allBackups;
private Dictionary<PageInfo, PageContent> allDrafts;
private List<CategoryInfo> allCategories;
private uint freeDocumentId = 1;
private uint freeWordId = 1;
private IInMemoryIndex index;
/// <summary>
/// Gets a namespace.
/// </summary>
/// <param name="name">The name of the namespace (cannot be <c>null</c> or empty).</param>
/// <returns>The <see cref="T:NamespaceInfo"/>, or <c>null</c> if no namespace is found.</returns>
public NamespaceInfo GetNamespace(string name) {
if(name == null) throw new ArgumentNullException("name");
if(name.Length == 0) throw new ArgumentException("Name cannot be empty");
return allNamespaces.Find(n => n.Name == name);
}
/// <summary>
/// Gets all the sub-namespaces.
/// </summary>
/// <returns>The sub-namespaces, sorted by name.</returns>
public NamespaceInfo[] GetNamespaces() {
lock(this) {
return allNamespaces.ToArray();
}
}
/// <summary>
/// Adds a new namespace.
/// </summary>
/// <param name="name">The name of the namespace.</param>
/// <returns>The correct <see cref="T:NamespaceInfo"/> object.</returns>
public NamespaceInfo AddNamespace(string name) {
throw new NotImplementedException();
/*if(name == null) throw new ArgumentNullException("name");
if(name.Length == 0) throw new ArgumentException("Name cannot be empty", "name");
lock(this) {
if(GetNamespace(name) != null) return null;
// This does not compile unless PagesSandbox implements IPagesStorageProviderV30
NamespaceInfo newSpace = new NamespaceInfo(name, this, null);
allNamespaces.Add(newSpace);
return newSpace;
}*/
}
/// <summary>
/// Renames a namespace.
/// </summary>
/// <param name="nspace">The namespace to rename.</param>
/// <param name="newName">The new name of the namespace.</param>
/// <returns>The correct <see cref="T:NamespaceInfo"/> object.</returns>
public NamespaceInfo RenameNamespace(NamespaceInfo nspace, string newName) {
if(nspace == null) throw new ArgumentNullException("nspace");
if(newName == null) throw new ArgumentNullException("newName");
if(newName.Length == 0) throw new ArgumentException("New Name cannot be empty", "newName");
lock(this) {
if(GetNamespace(newName) != null) return null;
nspace.Name = newName;
return nspace;
}
}
/// <summary>
/// Sets the default page of a namespace.
/// </summary>
/// <param name="nspace">The namespace of which to set the default page.</param>
/// <param name="page">The page to use as default page, or <c>null</c>.</param>
/// <returns>The correct <see cref="T:NamespaceInfo"/> object.</returns>
public NamespaceInfo SetNamespaceDefaultPage(NamespaceInfo nspace, PageInfo page) {
if(nspace == null) throw new ArgumentNullException("nspace");
lock(this) {
nspace.DefaultPage = page;
return nspace;
}
}
/// <summary>
/// Removes a namespace.
/// </summary>
/// <param name="nspace">The namespace to remove.</param>
/// <returns><c>true</c> if the namespace is removed, <c>false</c> otherwise.</returns>
public bool RemoveNamespace(NamespaceInfo nspace) {
if(nspace == null) throw new ArgumentNullException("nspace");
lock(this) {
return allNamespaces.Remove(nspace);
}
}
/// <summary>
/// Moves a page from its namespace into another.
/// </summary>
/// <param name="page">The page to move.</param>
/// <param name="destination">The destination namespace (<c>null</c> for the root).</param>
/// <param name="copyCategories">A value indicating whether to copy the page categories in the destination
/// namespace, if not already available.</param>
/// <returns>The correct instance of <see cref="T:PageInfo"/>.</returns>
public PageInfo MovePage(PageInfo page, NamespaceInfo destination, bool copyCategories) {
throw new NotImplementedException();
}
/// <summary>
/// Gets a category.
/// </summary>
/// <param name="fullName">The full name of the category.</param>
/// <returns>The <see cref="T:CategoryInfo"/>, or <c>null</c> if no category is found.</returns>
public CategoryInfo GetCategory(string fullName) {
throw new NotImplementedException();
}
/// <summary>
/// Gets all the Categories in a namespace.
/// </summary>
/// <param name="nspace">The namespace.</param>
/// <returns>All the Categories in the namespace, sorted by name.</returns>
public CategoryInfo[] GetCategories(NamespaceInfo nspace) {
throw new NotImplementedException();
}
/// <summary>
/// Gets all the categories of a page.
/// </summary>
/// <param name="page">The page.</param>
/// <returns>The categories, sorted by name.</returns>
public CategoryInfo[] GetCategoriesForPage(PageInfo page) {
throw new NotImplementedException();
}
/// <summary>
/// Adds a Category.
/// </summary>
/// <param name="nspace">The target namespace (<c>null</c> for the root).</param>
/// <param name="name">The Category name.</param>
/// <returns>The correct CategoryInfo object.</returns>
/// <remarks>The moethod should set category's Pages to an empty array.</remarks>
public CategoryInfo AddCategory(string nspace, string name) {
throw new NotImplementedException();
}
/// <summary>
/// Renames a Category.
/// </summary>
/// <param name="category">The Category to rename.</param>
/// <param name="newName">The new Name.</param>
/// <returns>The correct CategoryInfo object.</returns>
public CategoryInfo RenameCategory(CategoryInfo category, string newName) {
throw new NotImplementedException();
}
/// <summary>
/// Removes a Category.
/// </summary>
/// <param name="category">The Category to remove.</param>
/// <returns>True if the Category has been removed successfully.</returns>
public bool RemoveCategory(CategoryInfo category) {
throw new NotImplementedException();
}
/// <summary>
/// Merges two Categories.
/// </summary>
/// <param name="source">The source Category.</param>
/// <param name="destination">The destination Category.</param>
/// <returns>The correct <see cref="T:CategoryInfo"/> object.</returns>
/// <remarks>The <b>destination</b> Category remains, while the <b>source</b> Category is deleted, and all its Pages re-bound
/// in the <b>destination</b> Category.</remarks>
public CategoryInfo MergeCategories(CategoryInfo source, CategoryInfo destination) {
throw new NotImplementedException();
}
/// <summary>
/// Performs a search in the index.
/// </summary>
/// <param name="parameters">The search parameters.</param>
/// <returns>The results.</returns>
public SearchResultCollection PerformSearch(SearchParameters parameters) {
throw new NotImplementedException();
}
/// <summary>
/// Rebuilds the search index.
/// </summary>
public void RebuildIndex() {
throw new NotImplementedException();
}
/// <summary>
/// Gets some statistics about the search engine index.
/// </summary>
/// <param name="documentCount">The total number of documents.</param>
/// <param name="wordCount">The total number of unique words.</param>
/// <param name="occurrenceCount">The total number of word-document occurrences.</param>
/// <param name="size">The approximated size, in bytes, of the search engine index.</param>
public void GetIndexStats(out int documentCount, out int wordCount, out int occurrenceCount, out long size) {
throw new NotImplementedException();
}
/// <summary>
/// Gets a value indicating whether the search engine index is corrupted and needs to be rebuilt.
/// </summary>
public bool IsIndexCorrupted {
get { throw new NotImplementedException(); }
}
/// <summary>
/// Gets a page.
/// </summary>
/// <param name="fullName">The full name of the page.</param>
/// <returns>The <see cref="T:PageInfo"/>, or <c>null</c> if no page is found.</returns>
public PageInfo GetPage(string fullName) {
throw new NotImplementedException();
}
/// <summary>
/// Gets all the Pages in a namespace.
/// </summary>
/// <param name="nspace">The namespace (<c>null</c> for the root).</param>
/// <returns>All the Pages in the namespace, sorted by name.</returns>
public PageInfo[] GetPages(NamespaceInfo nspace) {
throw new NotImplementedException();
}
/// <summary>
/// Gets all the pages in a namespace that are bound to zero categories.
/// </summary>
/// <param name="nspace">The namespace (<c>null</c> for the root).</param>
/// <returns>The pages, sorted by name.</returns>
public PageInfo[] GetUncategorizedPages(NamespaceInfo nspace) {
throw new NotImplementedException();
}
/// <summary>
/// Gets the Content of a Page.
/// </summary>
/// <param name="page">The Page.</param>
/// <returns>The Page Content object.</returns>
public PageContent GetContent(PageInfo page) {
throw new NotImplementedException();
}
/// <summary>
/// Gets the content of a draft of a Page.
/// </summary>
/// <param name="page">The Page.</param>
/// <returns>The draft, or <c>null</c> if no draft exists.</returns>
public PageContent GetDraft(PageInfo page) {
throw new NotImplementedException();
}
/// <summary>
/// Deletes a draft of a Page.
/// </summary>
/// <param name="page">The page.</param>
/// <returns><c>true</c> if the draft is deleted, <c>false</c> otherwise.</returns>
public bool DeleteDraft(PageInfo page) {
throw new NotImplementedException();
}
/// <summary>
/// Gets the Backup/Revision numbers of a Page.
/// </summary>
/// <param name="page">The Page to get the Backups of.</param>
/// <returns>The Backup/Revision numbers.</returns>
public int[] GetBackups(PageInfo page) {
throw new NotImplementedException();
}
/// <summary>
/// Gets the Content of a Backup of a Page.
/// </summary>
/// <param name="page">The Page to get the backup of.</param>
/// <param name="revision">The Backup/Revision number.</param>
/// <returns>The Page Backup.</returns>
public PageContent GetBackupContent(PageInfo page, int revision) {
throw new NotImplementedException();
}
/// <summary>
/// Forces to overwrite or create a Backup.
/// </summary>
/// <param name="content">The Backup content.</param>
/// <param name="revision">The revision.</param>
/// <returns>True if the Backup has been created successfully.</returns>
public bool SetBackupContent(PageContent content, int revision) {
throw new NotImplementedException();
}
/// <summary>
/// Adds a Page.
/// </summary>
/// <param name="nspace">The target namespace (<c>null</c> for the root).</param>
/// <param name="name">The Page Name.</param>
/// <param name="creationDateTime">The creation Date/Time.</param>
/// <returns>The correct PageInfo object or null.</returns>
/// <remarks>This method should <b>not</b> create the content of the Page.</remarks>
public PageInfo AddPage(string nspace, string name, DateTime creationDateTime) {
throw new NotImplementedException();
}
/// <summary>
/// Renames a Page.
/// </summary>
/// <param name="page">The Page to rename.</param>
/// <param name="newName">The new Name.</param>
/// <returns>The correct <see cref="T:PageInfo"/> object.</returns>
public PageInfo RenamePage(PageInfo page, string newName) {
throw new NotImplementedException();
}
/// <summary>
/// Modifies the Content of a Page.
/// </summary>
/// <param name="page">The Page.</param>
/// <param name="title">The Title of the Page.</param>
/// <param name="username">The Username.</param>
/// <param name="dateTime">The Date/Time.</param>
/// <param name="comment">The Comment of the editor, about this revision.</param>
/// <param name="content">The Page Content.</param>
/// <param name="keywords">The keywords, usually used for SEO.</param>
/// <param name="description">The description, usually used for SEO.</param>
/// <param name="saveMode">The save mode for this modification.</param>
/// <returns><c>true</c> if the Page has been modified successfully, <c>false</c> otherwise.</returns>
/// <remarks>If <b>saveMode</b> equals <b>Draft</b> and a draft already exists, it is overwritten.</remarks>
public bool ModifyPage(PageInfo page, string title, string username, DateTime dateTime, string comment, string content, string[] keywords, string description, SaveMode saveMode) {
throw new NotImplementedException();
}
/// <summary>
/// Performs the rollback of a Page to a specified revision.
/// </summary>
/// <param name="page">The Page to rollback.</param>
/// <param name="revision">The Revision to rollback the Page to.</param>
/// <returns><c>true</c> if the rollback succeeded, <c>false</c> otherwise.</returns>
public bool RollbackPage(PageInfo page, int revision) {
throw new NotImplementedException();
}
/// <summary>
/// Deletes the Backups of a Page, up to a specified revision.
/// </summary>
/// <param name="page">The Page to delete the backups of.</param>
/// <param name="revision">The newest revision to delete (newer revision are kept) or -1 to delete all the Backups.</param>
/// <returns><c>true</c> if the deletion succeeded, <c>false</c> otherwise.</returns>
public bool DeleteBackups(PageInfo page, int revision) {
throw new NotImplementedException();
}
/// <summary>
/// Removes a Page.
/// </summary>
/// <param name="page">The Page to remove.</param>
/// <returns>True if the Page is removed successfully.</returns>
public bool RemovePage(PageInfo page) {
throw new NotImplementedException();
}
/// <summary>
/// Binds a Page with one or more Categories.
/// </summary>
/// <param name="page">The Page to bind.</param>
/// <param name="categories">The Categories to bind the Page with.</param>
/// <returns>True if the binding succeeded.</returns>
/// <remarks>After a successful operation, the Page is bound with all and only the categories passed as argument.</remarks>
public bool RebindPage(PageInfo page, string[] categories) {
throw new NotImplementedException();
}
/// <summary>
/// Gets the Page Messages.
/// </summary>
/// <param name="page">The Page.</param>
/// <returns>The list of the <b>first-level</b> Messages, containing the replies properly nested, sorted by date/time.</returns>
public Message[] GetMessages(PageInfo page) {
throw new NotImplementedException();
}
/// <summary>
/// Gets the total number of Messages in a Page Discussion.
/// </summary>
/// <param name="page">The Page.</param>
/// <returns>The number of messages.</returns>
public int GetMessageCount(PageInfo page) {
throw new NotImplementedException();
}
/// <summary>
/// Removes all messages for a page and stores the new messages.
/// </summary>
/// <param name="page">The page.</param>
/// <param name="messages">The new messages to store.</param>
/// <returns><c>true</c> if the messages are stored, <c>false</c> otherwise.</returns>
public bool BulkStoreMessages(PageInfo page, Message[] messages) {
throw new NotImplementedException();
}
/// <summary>
/// Adds a new Message to a Page.
/// </summary>
/// <param name="page">The Page.</param>
/// <param name="username">The Username.</param>
/// <param name="subject">The Subject.</param>
/// <param name="dateTime">The Date/Time.</param>
/// <param name="body">The Body.</param>
/// <param name="parent">The Parent Message ID, or -1.</param>
/// <returns>True if the Message is added successfully.</returns>
public bool AddMessage(PageInfo page, string username, string subject, DateTime dateTime, string body, int parent) {
throw new NotImplementedException();
}
/// <summary>
/// Removes a Message.
/// </summary>
/// <param name="page">The Page.</param>
/// <param name="id">The ID of the Message to remove.</param>
/// <param name="removeReplies">A value specifying whether or not to remove the replies.</param>
/// <returns>True if the Message is removed successfully.</returns>
public bool RemoveMessage(PageInfo page, int id, bool removeReplies) {
throw new NotImplementedException();
}
/// <summary>
/// Modifies a Message.
/// </summary>
/// <param name="page">The Page.</param>
/// <param name="id">The ID of the Message to modify.</param>
/// <param name="username">The Username.</param>
/// <param name="subject">The Subject.</param>
/// <param name="dateTime">The Date/Time.</param>
/// <param name="body">The Body.</param>
/// <returns>True if the Message is modified successfully.</returns>
public bool ModifyMessage(PageInfo page, int id, string username, string subject, DateTime dateTime, string body) {
throw new NotImplementedException();
}
/// <summary>
/// Gets all the Navigation Paths in a Namespace.
/// </summary>
/// <param name="nspace">The Namespace.</param>
/// <returns>All the Navigation Paths, sorted by name.</returns>
public NavigationPath[] GetNavigationPaths(NamespaceInfo nspace) {
throw new NotImplementedException();
}
/// <summary>
/// Adds a new Navigation Path.
/// </summary>
/// <param name="nspace">The target namespace (<c>null</c> for the root).</param>
/// <param name="name">The Name of the Path.</param>
/// <param name="pages">The Pages array.</param>
/// <returns>The correct <see cref="T:NavigationPath"/> object.</returns>
public NavigationPath AddNavigationPath(string nspace, string name, PageInfo[] pages) {
throw new NotImplementedException();
}
/// <summary>
/// Modifies an existing navigation path.
/// </summary>
/// <param name="path">The navigation path to modify.</param>
/// <param name="pages">The new pages array.</param>
/// <returns>The correct <see cref="T:NavigationPath"/> object.</returns>
public NavigationPath ModifyNavigationPath(NavigationPath path, PageInfo[] pages) {
throw new NotImplementedException();
}
/// <summary>
/// Removes a Navigation Path.
/// </summary>
/// <param name="path">The navigation path to remove.</param>
/// <returns><c>true</c> if the path is removed, <c>false</c> otherwise.</returns>
public bool RemoveNavigationPath(NavigationPath path) {
throw new NotImplementedException();
}
/// <summary>
/// Gets all the snippets.
/// </summary>
/// <returns>All the snippets, sorted by name.</returns>
public Snippet[] GetSnippets() {
throw new NotImplementedException();
}
/// <summary>
/// Adds a new snippet.
/// </summary>
/// <param name="name">The name of the snippet.</param>
/// <param name="content">The content of the snippet.</param>
/// <returns>The correct <see cref="T:Snippet"/> object.</returns>
public Snippet AddSnippet(string name, string content) {
throw new NotImplementedException();
}
/// <summary>
/// Modifies an existing snippet.
/// </summary>
/// <param name="name">The name of the snippet to modify.</param>
/// <param name="content">The content of the snippet.</param>
/// <returns>The correct <see cref="T:Snippet"/> object.</returns>
public Snippet ModifySnippet(string name, string content) {
throw new NotImplementedException();
}
/// <summary>
/// Removes a new Snippet.
/// </summary>
/// <param name="name">The Name of the Snippet to remove.</param>
/// <returns><c>true</c> if the snippet is removed, <c>false</c> otherwise.</returns>
public bool RemoveSnippet(string name) {
throw new NotImplementedException();
}
/// <summary>
/// Gets all the content templates.
/// </summary>
/// <returns>All the content templates, sorted by name.</returns>
public ContentTemplate[] GetContentTemplates() {
throw new NotImplementedException();
}
/// <summary>
/// Adds a new content template.
/// </summary>
/// <param name="name">The name of template.</param>
/// <param name="content">The content of the template.</param>
/// <returns>The correct <see cref="T:ContentTemplate"/> object.</returns>
public ContentTemplate AddContentTemplate(string name, string content) {
throw new NotImplementedException();
}
/// <summary>
/// Modifies an existing content template.
/// </summary>
/// <param name="name">The name of the template to modify.</param>
/// <param name="content">The content of the template.</param>
/// <returns>The correct <see cref="T:ContentTemplate"/> object.</returns>
public ContentTemplate ModifyContentTemplate(string name, string content) {
throw new NotImplementedException();
}
/// <summary>
/// Removes a content template.
/// </summary>
/// <param name="name">The name of the template to remove.</param>
/// <returns><c>true</c> if the template is removed, <c>false</c> otherwise.</returns>
public bool RemoveContentTemplate(string name) {
throw new NotImplementedException();
}
/// <summary>
/// Gets a value specifying whether the provider is read-only, i.e. it can only provide data and not store it.
/// </summary>
public bool ReadOnly {
get { throw new NotImplementedException(); }
}
/// <summary>
/// Initializes the Storage Provider.
/// </summary>
/// <param name="host">The Host of the Component.</param>
/// <param name="config">The Configuration data, if any.</param>
/// <remarks>If the configuration string is not valid, the methoud should throw a <see cref="InvalidConfigurationException"/>.</remarks>
public void Init(IHostV30 host, string config) {
if(host == null) throw new ArgumentNullException("host");
if(config == null) throw new ArgumentNullException("config");
this.host = host;
this.config = config;
allPages = new List<PageInfo>(50);
allContents = new Dictionary<PageInfo, PageContent>(50);
allBackups = new Dictionary<PageContent, List<PageContent>>(50);
allDrafts = new Dictionary<PageInfo, PageContent>(5);
allCategories = new List<CategoryInfo>(10);
// Prepare search index
index = new StandardIndex();
index.SetBuildDocumentDelegate(BuildDocumentHandler);
index.IndexChanged += index_IndexChanged;
}
private void index_IndexChanged(object sender, IndexChangedEventArgs e) {
lock(this) {
if(e.Change == IndexChangeType.DocumentAdded) {
List<WordId> newWords = new List<WordId>(e.ChangeData.Words.Count);
foreach(DumpedWord w in e.ChangeData.Words) {
newWords.Add(new WordId(w.Text, freeWordId));
freeWordId++;
}
e.Result = new IndexStorerResult(freeDocumentId, newWords);
freeDocumentId++;
}
else e.Result = null;
}
}
/// <summary>
/// Handles the construction of an <see cref="T:IDocument" /> for the search engine.
/// </summary>
/// <param name="dumpedDocument">The input dumped document.</param>
/// <returns>The resulting <see cref="T:IDocument" />.</returns>
private IDocument BuildDocumentHandler(DumpedDocument dumpedDocument) {
if(dumpedDocument.TypeTag == PageDocument.StandardTypeTag) {
string pageName = PageDocument.GetPageName(dumpedDocument.Name);
PageInfo page = GetPage(pageName);
if(page == null) return null;
else return new PageDocument(page, dumpedDocument, TokenizeContent);
}
else if(dumpedDocument.TypeTag == MessageDocument.StandardTypeTag) {
string pageFullName;
int id;
MessageDocument.GetMessageDetails(dumpedDocument.Name, out pageFullName, out id);
PageInfo page = GetPage(pageFullName);
if(page == null) return null;
else return new MessageDocument(page, id, dumpedDocument, TokenizeContent);
}
else return null;
}
/// <summary>
/// Tokenizes page content.
/// </summary>
/// <param name="content">The content to tokenize.</param>
/// <returns>The tokenized words.</returns>
private static WordInfo[] TokenizeContent(string content) {
WordInfo[] words = SearchEngine.Tools.Tokenize(content);
return words;
}
/// <summary>
/// Indexes a page.
/// </summary>
/// <param name="content">The content of the page.</param>
/// <returns>The number of indexed words, including duplicates.</returns>
private int IndexPage(PageContent content) {
lock(this) {
string documentName = PageDocument.GetDocumentName(content.PageInfo);
DumpedDocument ddoc = new DumpedDocument(0, documentName, host.PrepareTitleForIndexing(content.PageInfo, content.Title),
PageDocument.StandardTypeTag, content.LastModified);
// Store the document
// The content should always be prepared using IHost.PrepareForSearchEngineIndexing()
return index.StoreDocument(new PageDocument(content.PageInfo, ddoc, TokenizeContent),
content.Keywords, host.PrepareContentForIndexing(content.PageInfo, content.Content), null);
}
}
/// <summary>
/// Removes a page from the search engine index.
/// </summary>
/// <param name="content">The content of the page to remove.</param>
private void UnindexPage(PageContent content) {
lock(this) {
string documentName = PageDocument.GetDocumentName(content.PageInfo);
DumpedDocument ddoc = new DumpedDocument(0, documentName, host.PrepareTitleForIndexing(content.PageInfo, content.Title),
PageDocument.StandardTypeTag, content.LastModified);
index.RemoveDocument(new PageDocument(content.PageInfo, ddoc, TokenizeContent), null);
}
}
/// <summary>
/// Indexes a message.
/// </summary>
/// <param name="page">The page.</param>
/// <param name="id">The message ID.</param>
/// <param name="subject">The subject.</param>
/// <param name="dateTime">The date/time.</param>
/// <param name="body">The body.</param>
/// <returns>The number of indexed words, including duplicates.</returns>
private int IndexMessage(PageInfo page, int id, string subject, DateTime dateTime, string body) {
lock(this) {
// Trim "RE:" to avoid polluting the search engine index
if(subject.ToLowerInvariant().StartsWith("re:") && subject.Length > 3) subject = subject.Substring(3).Trim();
string documentName = MessageDocument.GetDocumentName(page, id);
DumpedDocument ddoc = new DumpedDocument(0, documentName, host.PrepareTitleForIndexing(null, subject),
MessageDocument.StandardTypeTag, dateTime);
// Store the document
// The content should always be prepared using IHost.PrepareForSearchEngineIndexing()
return index.StoreDocument(new MessageDocument(page, id, ddoc, TokenizeContent), null,
host.PrepareContentForIndexing(null, body), null);
}
}
/// <summary>
/// Indexes a message tree.
/// </summary>
/// <param name="page">The page.</param>
/// <param name="root">The tree root.</param>
private void IndexMessageTree(PageInfo page, Message root) {
IndexMessage(page, root.ID, root.Subject, root.DateTime, root.Body);
foreach(Message reply in root.Replies) {
IndexMessageTree(page, reply);
}
}
/// <summary>
/// Removes a message from the search engine index.
/// </summary>
/// <param name="page">The page.</param>
/// <param name="id">The message ID.</param>
/// <param name="subject">The subject.</param>
/// <param name="dateTime">The date/time.</param>
/// <param name="body">The body.</param>
/// <returns>The number of indexed words, including duplicates.</returns>
private void UnindexMessage(PageInfo page, int id, string subject, DateTime dateTime, string body) {
lock(this) {
// Trim "RE:" to avoid polluting the search engine index
if(subject.ToLowerInvariant().StartsWith("re:") && subject.Length > 3) subject = subject.Substring(3).Trim();
string documentName = MessageDocument.GetDocumentName(page, id);
DumpedDocument ddoc = new DumpedDocument(0, documentName, host.PrepareTitleForIndexing(null, subject),
MessageDocument.StandardTypeTag, DateTime.Now);
index.RemoveDocument(new MessageDocument(page, id, ddoc, TokenizeContent), null);
}
}
/// <summary>
/// Removes a message tree from the search engine index.
/// </summary>
/// <param name="page">The page.</param>
/// <param name="root">The tree root.</param>
private void UnindexMessageTree(PageInfo page, Message root) {
UnindexMessage(page, root.ID, root.Subject, root.DateTime, root.Body);
foreach(Message reply in root.Replies) {
UnindexMessageTree(page, reply);
}
}
/// <summary>
/// Method invoked on shutdown.
/// </summary>
/// <remarks>This method might not be invoked in some cases.</remarks>
public void Shutdown() {
// Nothing do to
}
/// <summary>
/// Gets the Information about the Provider.
/// </summary>
public ComponentInformation Information {
get { return info; }
}
/// <summary>
/// Gets a brief summary of the configuration string format, in HTML. Returns <c>null</c> if no configuration is needed.
/// </summary>
public string ConfigHelpHtml {
get { return null; }
}
}
}