using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.Xml.Linq; using FLocal.Core; using FLocal.Core.DB; using FLocal.Core.DB.conditions; using FLocal.Common.actions; namespace FLocal.Common.dataobjects { public class Thread : SqlObject { public static readonly int FORMALREADMIN = Config.instance.MinPostId; public class TableSpec : ISqlObjectTableSpec { public const string TABLE = "Threads"; public const string FIELD_ID = "Id"; public const string FIELD_BOARDID = "BoardId"; public const string FIELD_FIRSTPOSTID = "FirstPostId"; public const string FIELD_TOPICSTARTERID = "TopicstarterId"; public const string FIELD_TITLE = "Title"; public const string FIELD_LASTPOSTID = "LastPostId"; public const string FIELD_LASTPOSTDATE = "LastPostDate"; public const string FIELD_ISANNOUNCEMENT = "IsAnnouncement"; public const string FIELD_ISLOCKED = "IsLocked"; public const string FIELD_TOTALPOSTS = "TotalPosts"; public const string FIELD_TOTALVIEWS = "TotalViews"; public static readonly TableSpec instance = new TableSpec(); public string name { get { return TABLE; } } public string idName { get { return FIELD_ID; } } public void refreshSqlObject(int id) { Refresh(id); } } public class ReadMarkerTableSpec : ISqlObjectTableSpec { public const string TABLE = "Threads_ReadMarkers"; public const string FIELD_ID = "Id"; public const string FIELD_THREADID = "ThreadId"; public const string FIELD_ACCOUNTID = "AccountId"; public const string FIELD_POSTID = "PostId"; public static readonly ReadMarkerTableSpec instance = new ReadMarkerTableSpec(); public string name { get { return TABLE; } } public string idName { get { return FIELD_ID; } } public void refreshSqlObject(int id) { } } protected override ISqlObjectTableSpec table { get { return TableSpec.instance; } } private AbstractCondition getReadmarkerSearchCondition(Account account) { return new ComplexCondition( ConditionsJoinType.AND, new ComparisonCondition( ReadMarkerTableSpec.instance.getColumnSpec(ReadMarkerTableSpec.FIELD_THREADID), ComparisonType.EQUAL, this.id.ToString() ), new ComparisonCondition( ReadMarkerTableSpec.instance.getColumnSpec(ReadMarkerTableSpec.FIELD_ACCOUNTID), ComparisonType.EQUAL, account.id.ToString() ) ); } private int _boardId; public int boardId { get { this.LoadIfNotLoaded(); return this._boardId; } } public Board board { get { return Board.LoadById(this.boardId); } } private int _firstPostId; public int firstPostId { get { this.LoadIfNotLoaded(); return this._firstPostId; } } public Post firstPost { get { return Post.LoadById(this.firstPostId); } } private int _topicstarterId; public int topicstarterId { get { this.LoadIfNotLoaded(); return this._topicstarterId; } } public User topicstarter { get { return User.LoadById(this.topicstarterId); } } private string _title; public string title { get { this.LoadIfNotLoaded(); return this._title; } } public string titleTranslit { get { return TranslitManager.Translit(this.title).PHPSubstring(0, 50); } } private int _lastPostId; public int lastPostId { get { this.LoadIfNotLoaded(); return this._lastPostId; } } public Post lastPost { get { return Post.LoadById(this.lastPostId); } } private DateTime _lastPostDate; public DateTime lastPostDate { get { this.LoadIfNotLoaded(); return this._lastPostDate; } } private bool _isAnnouncement; public bool isAnnouncement { get { this.LoadIfNotLoaded(); return this._isAnnouncement; } } private bool _isLocked; public bool isLocked { get { this.LoadIfNotLoaded(); return this._isLocked; } } private int _totalPosts; public int totalPosts { get { this.LoadIfNotLoaded(); return this._totalPosts; } } private int _totalViews; public int totalViews { get { this.LoadIfNotLoaded(); return this._totalViews; } } protected override void doFromHash(Dictionary data) { this._boardId = int.Parse(data[TableSpec.FIELD_BOARDID]); this._firstPostId = int.Parse(data[TableSpec.FIELD_FIRSTPOSTID]); this._topicstarterId = int.Parse(data[TableSpec.FIELD_TOPICSTARTERID]); this._title = data[TableSpec.FIELD_TITLE]; this._lastPostId = int.Parse(data[TableSpec.FIELD_LASTPOSTID]); this._lastPostDate = new DateTime(long.Parse(data[TableSpec.FIELD_LASTPOSTDATE])); this._isAnnouncement = FLocal.Core.Util.string2bool(data[TableSpec.FIELD_ISANNOUNCEMENT]); this._isLocked = FLocal.Core.Util.string2bool(data[TableSpec.FIELD_ISLOCKED]); this._totalPosts = int.Parse(data[TableSpec.FIELD_TOTALPOSTS]); this._totalViews = int.Parse(data[TableSpec.FIELD_TOTALVIEWS]); } public XElement exportToXmlSimpleWithParent(UserContext context) { return new XElement("thread", new XElement("id", this.id), new XElement("name", this.title), new XElement("nameTranslit", this.titleTranslit), new XElement("parent", this.board.exportToXmlSimpleWithParent(context)) ); } public XElement exportToXml(UserContext context, params XElement[] additional) { if(!context.isPostVisible(this.firstPost)) return null; XElement result = new XElement("thread", new XElement("id", this.id), new XElement("firstPost", this.firstPost.exportToXml(context)), new XElement("title", this.title), new XElement("lastPostId", this.lastPostId), new XElement("lastPostDate", this.lastPostDate.ToXml()), new XElement("isAnnouncement", this.isAnnouncement), new XElement("isLocked", this.isLocked), new XElement("totalPosts", this.totalPosts), new XElement("totalViews", this.totalViews), context.formatTotalPosts(this.totalPosts) ); if(context.account != null) { int lastReadId = this.getLastReadId(context.account); result.Add( new XElement("afterLastRead", lastReadId + 1), new XElement( "totalNewPosts", Config.instance.mainConnection.GetCountByConditions( Post.TableSpec.instance, new ComplexCondition( ConditionsJoinType.AND, new ComparisonCondition( Post.TableSpec.instance.getColumnSpec(Post.TableSpec.FIELD_THREADID), ComparisonType.EQUAL, this.id.ToString() ), new ComparisonCondition( Post.TableSpec.instance.getIdSpec(), ComparisonType.GREATERTHAN, lastReadId.ToString() ) ) ) ) ); } if(additional.Length > 0) { result.Add(additional); } return result; } public IEnumerable getPosts(Diapasone diapasone, bool isAscending) { return Post.LoadByIds( from stringId in Config.instance.mainConnection.LoadIdsByConditions( Post.TableSpec.instance, new ComparisonCondition( Post.TableSpec.instance.getColumnSpec(Post.TableSpec.FIELD_THREADID), ComparisonType.EQUAL, this.id.ToString() ), diapasone, new JoinSpec[0], new SortSpec[] { new SortSpec( Post.TableSpec.instance.getIdSpec(), isAscending ), } ) select int.Parse(stringId) ); } public void incrementViewsCounter() { ChangeSetUtil.ApplyChanges(new AbstractChange[] { new UpdateChange( TableSpec.instance, new Dictionary() { { TableSpec.FIELD_TOTALVIEWS, new IncrementFieldValue() } }, this.id ) }); } public int getLastReadId(Account account) { List stringIds = Config.instance.mainConnection.LoadIdsByConditions( ReadMarkerTableSpec.instance, this.getReadmarkerSearchCondition(account), Diapasone.unlimited ); if(stringIds.Count > 1) { throw new CriticalException("more than one row"); } if(stringIds.Count < 1) { return (this.lastPostId >= FORMALREADMIN) ? 0 : this.lastPostId; } Dictionary data = Config.instance.mainConnection.LoadById(ReadMarkerTableSpec.instance, stringIds[0]); if((data[ReadMarkerTableSpec.FIELD_POSTID] == "") || (data[ReadMarkerTableSpec.FIELD_POSTID] == null)) { return 0; } return int.Parse(data[ReadMarkerTableSpec.FIELD_POSTID]); } public void forceMarkAsRead(Account account, Post maxPost) { ChangeSetUtil.ApplyChanges( new InsertOrUpdateChange( ReadMarkerTableSpec.instance, new Dictionary { { ReadMarkerTableSpec.FIELD_ACCOUNTID, new ScalarFieldValue(account.id.ToString()) }, { ReadMarkerTableSpec.FIELD_THREADID, new ScalarFieldValue(this.id.ToString()) }, { ReadMarkerTableSpec.FIELD_POSTID, new ScalarFieldValue(maxPost.id.ToString()) }, }, new Dictionary { { ReadMarkerTableSpec.FIELD_POSTID, new IncrementFieldValue(IncrementFieldValue.GREATEST(maxPost.id)) }, }, this.getReadmarkerSearchCondition(account) ) ); } public void markAsRead(Account account, Post minPost, Post maxPost) { ChangeSetUtil.ApplyChanges( new InsertOrUpdateChange( ReadMarkerTableSpec.instance, new Dictionary { { ReadMarkerTableSpec.FIELD_THREADID, new ScalarFieldValue(this.id.ToString()) }, { ReadMarkerTableSpec.FIELD_ACCOUNTID, new ScalarFieldValue(account.id.ToString()) }, { ReadMarkerTableSpec.FIELD_POSTID, new ScalarFieldValue( (minPost.id <= this.firstPostId) ? maxPost.id.ToString() : null ) }, }, new Dictionary { { ReadMarkerTableSpec.FIELD_POSTID, new IncrementFieldValue( s => { if((s == null) || (s == "")) { s = "0"; //workaround } if(maxPost.id < int.Parse(s)) { return (s == "0") ? null : s; //if some newer posts were already read } long count = Config.instance.mainConnection.GetCountByConditions( Post.TableSpec.instance, new ComplexCondition( ConditionsJoinType.AND, new ComparisonCondition( Post.TableSpec.instance.getColumnSpec(Post.TableSpec.FIELD_THREADID), ComparisonType.EQUAL, this.id.ToString() ), new ComparisonCondition( Post.TableSpec.instance.getIdSpec(), ComparisonType.GREATERTHAN, s ), new ComparisonCondition( Post.TableSpec.instance.getIdSpec(), ComparisonType.LESSTHAN, minPost.id.ToString() ) ) ); if(count > 0) { return (s == "0") ? null : s; //if there are some unread posts earlier than minPost } else { return maxPost.id.ToString(); } } ) } }, this.getReadmarkerSearchCondition(account) ) ); } internal static KeyValuePair> getNewPostChanges(Board board, int threadId, Post parentPost, User poster, PostLayer layer, string title, string body, DateTime date, int? forcedPostId) { string parentPostId = null; if(parentPost != null) parentPostId = parentPost.id.ToString(); bool isNewThread = (parentPost == null); string bodyIntermediate; if(forcedPostId.HasValue) { //dirty hack bodyIntermediate = body; } else { bodyIntermediate = UBBParser.UBBToIntermediate(body); } var postInsertData = new Dictionary { { Post.TableSpec.FIELD_THREADID, new ScalarFieldValue(threadId.ToString()) }, { Post.TableSpec.FIELD_PARENTPOSTID, new ScalarFieldValue(parentPostId) }, { Post.TableSpec.FIELD_POSTERID, new ScalarFieldValue(poster.id.ToString()) }, { Post.TableSpec.FIELD_POSTDATE, new ScalarFieldValue(date.ToUTCString()) }, { Post.TableSpec.FIELD_REVISION, new ScalarFieldValue("0") }, { Post.TableSpec.FIELD_LASTCHANGEDATE, new ScalarFieldValue(date.ToUTCString()) }, { Post.TableSpec.FIELD_LAYERID, new ScalarFieldValue(layer.id.ToString()) }, { Post.TableSpec.FIELD_TITLE, new ScalarFieldValue(title) }, { Post.TableSpec.FIELD_BODY, new ScalarFieldValue(bodyIntermediate) }, { Post.TableSpec.FIELD_TOTALPUNISHMENTS, new ScalarFieldValue("0") }, }; if(forcedPostId.HasValue) { postInsertData[Post.TableSpec.FIELD_ID] = new ScalarFieldValue(forcedPostId.Value.ToString()); } AbstractChange postInsert = new InsertChange( Post.TableSpec.instance, postInsertData ); AbstractFieldValue postReference = new ReferenceFieldValue(postInsert); AbstractFieldValue postIndexReference = new TwoWayReferenceFieldValue(postInsert, TwoWayReferenceFieldValue.GREATEST); AbstractChange revisionInsert = new InsertChange( Revision.TableSpec.instance, new Dictionary { { Revision.TableSpec.FIELD_POSTID, postReference }, { Revision.TableSpec.FIELD_NUMBER, new ScalarFieldValue("0") }, { Revision.TableSpec.FIELD_CHANGEDATE, new ScalarFieldValue(date.ToUTCString()) }, { Revision.TableSpec.FIELD_TITLE, new ScalarFieldValue(title) }, { Revision.TableSpec.FIELD_BODY, new ScalarFieldValue(body) }, } ); Dictionary threadData = new Dictionary { { Thread.TableSpec.FIELD_LASTPOSTDATE, new ScalarFieldValue(date.ToUTCString()) }, { Thread.TableSpec.FIELD_TOTALPOSTS, new IncrementFieldValue() }, { Thread.TableSpec.FIELD_LASTPOSTID, postIndexReference } }; if(isNewThread) { threadData[Thread.TableSpec.FIELD_FIRSTPOSTID] = postReference; } AbstractChange threadUpdate = new UpdateChange( Thread.TableSpec.instance, threadData, threadId ); AbstractChange userUpdate = new UpdateChange( User.TableSpec.instance, new Dictionary { { User.TableSpec.FIELD_TOTALPOSTS, new IncrementFieldValue() }, }, poster.id ); List changes = new List { postInsert, revisionInsert, threadUpdate, userUpdate, }; Dictionary boardData = new Dictionary { { Board.TableSpec.FIELD_TOTALPOSTS, new IncrementFieldValue() }, { Board.TableSpec.FIELD_LASTPOSTID, postIndexReference } }; if(isNewThread) { boardData[Board.TableSpec.FIELD_TOTALTHREADS] = new IncrementFieldValue(); } int? boardId = board.id; do { Board _board = Board.LoadById(boardId.Value); changes.Add( new UpdateChange( Board.TableSpec.instance, boardData, _board.id ) ); boardId = _board.parentBoardId; } while(boardId.HasValue); return new KeyValuePair>(postInsert, changes); } public readonly object locker = new object(); public void Synchronized(Action action) { lock(this.locker) { this.board.Synchronized(action); } } } }