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372 lines
12 KiB
372 lines
12 KiB
using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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using System.Xml.Linq;
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using FLocal.Core;
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using FLocal.Core.DB;
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using FLocal.Core.DB.conditions;
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using FLocal.Common.actions;
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namespace FLocal.Common.dataobjects {
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public class Board : SqlObject<Board> {
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public class TableSpec : ISqlObjectTableSpec {
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public const string TABLE = "Boards";
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public const string FIELD_ID = "Id";
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public const string FIELD_SORTORDER = "SortOrder";
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public const string FIELD_CATEGORYID = "CategoryId";
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public const string FIELD_LASTPOSTID = "LastPostId";
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public const string FIELD_TOTALPOSTS = "TotalPosts";
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public const string FIELD_TOTALTHREADS = "TotalThreads";
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public const string FIELD_NAME = "Name";
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public const string FIELD_DESCRIPTION = "Comment";
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public const string FIELD_PARENTBOARDID = "ParentBoardId";
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public const string FIELD_LEGACYNAME = "LegacyName";
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public static readonly TableSpec instance = new TableSpec();
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public string name { get { return TABLE; } }
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public string idName { get { return FIELD_ID; } }
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public void refreshSqlObject(int id) { Refresh(id); }
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}
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public class ReadMarkerTableSpec : ISqlObjectTableSpec {
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public const string TABLE = "Boards_ReadMarkers";
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public const string FIELD_ID = "Id";
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public const string FIELD_BOARDID = "BoardId";
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public const string FIELD_ACCOUNTID = "AccountId";
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public const string FIELD_LASTREADDATE = "LastReadDate";
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public static readonly ReadMarkerTableSpec instance = new ReadMarkerTableSpec();
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public string name { get { return TABLE; } }
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public string idName { get { return FIELD_ID; } }
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public void refreshSqlObject(int id) { }
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}
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protected override ISqlObjectTableSpec table { get { return TableSpec.instance; } }
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private int _sortOrder;
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public int sortOrder {
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get {
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this.LoadIfNotLoaded();
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return this._sortOrder;
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}
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}
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private int? _categoryId;
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public int? categoryId {
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get {
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this.LoadIfNotLoaded();
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return this._categoryId;
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}
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}
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public Category category {
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get {
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return Category.LoadById(this.categoryId.Value);
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}
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}
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private int? _lastPostId;
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public int? lastPostId {
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get {
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this.LoadIfNotLoaded();
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return this._lastPostId;
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}
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}
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public Post lastPost {
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get {
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return Post.LoadById(this.lastPostId.Value);
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}
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}
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private int _totalPosts;
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public int totalPosts {
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get {
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this.LoadIfNotLoaded();
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return this._totalPosts;
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}
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}
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private int _totalThreads;
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public int totalThreads {
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get {
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this.LoadIfNotLoaded();
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return this._totalThreads;
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}
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}
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private string _name;
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public string name {
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get {
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this.LoadIfNotLoaded();
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return this._name;
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}
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}
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private string _description;
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public string description {
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get {
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this.LoadIfNotLoaded();
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return this._description;
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}
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}
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private int? _parentBoardId;
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public int? parentBoardId {
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get {
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this.LoadIfNotLoaded();
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return this._parentBoardId;
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}
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}
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public Board parentBoard {
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get {
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return Board.LoadById(this.parentBoardId.Value);
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}
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}
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private string _legacyName;
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public string legacyName {
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get {
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this.LoadIfNotLoaded();
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return this._legacyName;
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}
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}
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protected override void doFromHash(Dictionary<string, string> data) {
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this._sortOrder = int.Parse(data[TableSpec.FIELD_SORTORDER]);
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this._categoryId = Util.ParseInt(data[TableSpec.FIELD_CATEGORYID]);
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this._lastPostId = Util.ParseInt(data[TableSpec.FIELD_LASTPOSTID]);
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this._totalPosts = int.Parse(data[TableSpec.FIELD_TOTALPOSTS]);
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this._totalThreads = int.Parse(data[TableSpec.FIELD_TOTALTHREADS]);
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this._name = data[TableSpec.FIELD_NAME];
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this._description = data[TableSpec.FIELD_DESCRIPTION];
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this._parentBoardId = Util.ParseInt(data[TableSpec.FIELD_PARENTBOARDID]);
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this._legacyName = data[TableSpec.FIELD_LEGACYNAME];
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}
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private readonly object subBoards_Locker = new object();
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public IEnumerable<Board> subBoards {
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get {
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return
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from id in Cache<IEnumerable<int>>.instance.get(
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this.subBoards_Locker,
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() => {
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IEnumerable<int> ids = from stringId in Config.instance.mainConnection.LoadIdsByConditions(
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TableSpec.instance,
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new FLocal.Core.DB.conditions.ComparisonCondition(
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TableSpec.instance.getColumnSpec(Board.TableSpec.FIELD_PARENTBOARDID),
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FLocal.Core.DB.conditions.ComparisonType.EQUAL,
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this.id.ToString()
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),
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Diapasone.unlimited,
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new JoinSpec[0]
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) select int.Parse(stringId);
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Board.LoadByIds(ids);
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return ids;
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}
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)
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let board = Board.LoadById(id)
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orderby board.sortOrder, board.id
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select board;
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}
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}
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internal void subBoards_Reset() {
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Cache<IEnumerable<int>>.instance.delete(this.subBoards_Locker);
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}
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public bool hasNewPosts(Account account) {
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if(!this.lastPostId.HasValue) {
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return false;
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} else {
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return this.getLastReadDate(account) < this.lastPost.postDate;
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}
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}
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private XElement exportLastPostInfo(UserContext context) {
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if(!this.lastPostId.HasValue) {
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return new XElement("none");
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} else {
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return this.lastPost.exportToXmlWithoutThread(context, false);
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}
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}
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public XElement exportToXmlSimpleWithParent(UserContext context) {
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return new XElement("board",
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new XElement("id", this.id),
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new XElement("name", this.name),
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new XElement("description", this.description),
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new XElement("parent", this.parentBoardId.HasValue ? this.parentBoard.exportToXmlSimpleWithParent(context) : this.category.exportToXmlSimple(context))
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);
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}
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public XElement exportToXml(UserContext context, bool includeSubBoards, params XElement[] additional) {
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XElement result = new XElement("board",
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new XElement("id", this.id),
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new XElement("sortOrder", this.sortOrder),
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new XElement("categoryId", this.categoryId),
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new XElement("totalPosts", this.totalPosts),
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new XElement("totalThreads", this.totalThreads),
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new XElement("name", this.name),
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new XElement("description", this.description),
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new XElement("lastPostInfo", this.exportLastPostInfo(context))
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);
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if(context.account != null) {
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result.Add(new XElement("hasNewPosts", this.hasNewPosts(context.account).ToPlainString()));
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}
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if(includeSubBoards) {
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result.Add(new XElement("subBoards",
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from board in this.subBoards select board.exportToXml(context, false)
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));
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}
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if(additional.Length > 0) {
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result.Add(additional);
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}
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return result;
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}
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private static readonly IEnumerable<int> allBoardsIds = from stringId in Config.instance.mainConnection.LoadIdsByConditions(TableSpec.instance, new EmptyCondition(), Diapasone.unlimited) select int.Parse(stringId);
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private static Dictionary<string, int> legacyName2Id = new Dictionary<string,int>();
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public static Board LoadByLegacyName(string legacy) {
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if((legacy == null) || (legacy == "")) throw new FLocalException("legacy name is empty");
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if(!legacyName2Id.ContainsKey(legacy)) {
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lock(legacyName2Id) {
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if(!legacyName2Id.ContainsKey(legacy)) {
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legacyName2Id[legacy] = (from boardId in allBoardsIds let board = Board.LoadById(boardId) where board.legacyName == legacy select boardId).Single();
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}
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}
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}
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return Board.LoadById(legacyName2Id[legacy]);
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}
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public IEnumerable<Thread> getThreads(Diapasone diapasone, SortSpec[] sortBy) {
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return Thread.LoadByIds(
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from stringId in Config.instance.mainConnection.LoadIdsByConditions(
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Thread.TableSpec.instance,
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new ComparisonCondition(
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Thread.TableSpec.instance.getColumnSpec(Thread.TableSpec.FIELD_BOARDID),
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ComparisonType.EQUAL,
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this.id.ToString()
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),
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diapasone,
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new JoinSpec[0],
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sortBy
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) select int.Parse(stringId)
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);
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}
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public IEnumerable<Thread> getThreads(Diapasone diapasone) {
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return this.getThreads(
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diapasone,
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new SortSpec[] {
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new SortSpec(
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Thread.TableSpec.instance.getColumnSpec(Thread.TableSpec.FIELD_ISANNOUNCEMENT),
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false
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),
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new SortSpec(
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Thread.TableSpec.instance.getColumnSpec(Thread.TableSpec.FIELD_LASTPOSTID),
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false
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),
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}
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);
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}
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public DateTime getLastReadDate(Account account) {
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List<string> stringIds = Config.instance.mainConnection.LoadIdsByConditions(
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ReadMarkerTableSpec.instance,
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new ComplexCondition(
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ConditionsJoinType.AND,
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new ComparisonCondition(
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ReadMarkerTableSpec.instance.getColumnSpec(ReadMarkerTableSpec.FIELD_BOARDID),
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ComparisonType.EQUAL,
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this.id.ToString()
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),
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new ComparisonCondition(
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ReadMarkerTableSpec.instance.getColumnSpec(ReadMarkerTableSpec.FIELD_ACCOUNTID),
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ComparisonType.EQUAL,
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account.id.ToString()
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)
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),
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Diapasone.unlimited
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);
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if(stringIds.Count > 1) {
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throw new CriticalException("more than one row");
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}
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if(stringIds.Count < 1) {
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return new DateTime(0);
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}
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Dictionary<string, string> data = Config.instance.mainConnection.LoadById(ReadMarkerTableSpec.instance, stringIds[0]);
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return Util.ParseDateTimeFromTimestamp(data[ReadMarkerTableSpec.FIELD_LASTREADDATE]).Value;
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}
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public void markAsRead(Account account) {
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if(this.lastPostId.HasValue) {
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ChangeSetUtil.ApplyChanges(
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new InsertOrUpdateChange(
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ReadMarkerTableSpec.instance,
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new Dictionary<string,AbstractFieldValue> {
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{ ReadMarkerTableSpec.FIELD_BOARDID, new ScalarFieldValue(this.id.ToString()) },
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{ ReadMarkerTableSpec.FIELD_ACCOUNTID, new ScalarFieldValue(account.id.ToString()) },
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{ ReadMarkerTableSpec.FIELD_LASTREADDATE, new ScalarFieldValue(DateTime.Now.ToUTCString()) },
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},
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new Dictionary<string,AbstractFieldValue> {
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{ ReadMarkerTableSpec.FIELD_LASTREADDATE, new ScalarFieldValue(DateTime.Now.ToUTCString()) },
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},
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new ComplexCondition(
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ConditionsJoinType.AND,
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new ComparisonCondition(
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ReadMarkerTableSpec.instance.getColumnSpec(ReadMarkerTableSpec.FIELD_BOARDID),
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ComparisonType.EQUAL,
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this.id.ToString()
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),
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new ComparisonCondition(
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ReadMarkerTableSpec.instance.getColumnSpec(ReadMarkerTableSpec.FIELD_ACCOUNTID),
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ComparisonType.EQUAL,
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account.id.ToString()
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)
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)
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)
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);
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}
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}
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public Thread CreateThread(User poster, string title, string body, PostLayer desiredLayer) {
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return this.CreateThread(poster, title, body, desiredLayer, DateTime.Now, null);
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}
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public Thread CreateThread(User poster, string title, string body, PostLayer desiredLayer, DateTime date, int? forcedPostId) {
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PostLayer actualLayer = poster.getActualLayer(this, desiredLayer);
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AbstractChange threadInsert = new InsertChange(
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Thread.TableSpec.instance,
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new Dictionary<string,AbstractFieldValue> {
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{ Thread.TableSpec.FIELD_BOARDID, new ScalarFieldValue(this.id.ToString()) },
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{ Thread.TableSpec.FIELD_ISANNOUNCEMENT, new ScalarFieldValue("0") },
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{ Thread.TableSpec.FIELD_ISLOCKED, new ScalarFieldValue("0") },
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{ Thread.TableSpec.FIELD_TITLE, new ScalarFieldValue(title) },
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{ Thread.TableSpec.FIELD_TOPICSTARTERID, new ScalarFieldValue(poster.id.ToString()) },
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{ Thread.TableSpec.FIELD_TOTALPOSTS, new ScalarFieldValue("0") },
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{ Thread.TableSpec.FIELD_TOTALVIEWS, new ScalarFieldValue("0") },
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{ Thread.TableSpec.FIELD_FIRSTPOSTID, new ScalarFieldValue(null) },
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{ Thread.TableSpec.FIELD_LASTPOSTID, new ScalarFieldValue(null) },
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{ Thread.TableSpec.FIELD_LASTPOSTDATE, new ScalarFieldValue(date.ToUTCString()) },
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}
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);
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using(ChangeSet threadInsertSet = new ChangeSet(), dataInsertSet = new ChangeSet()) {
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Config.Transactional(transaction => {
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threadInsertSet.Add(threadInsert);
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threadInsertSet.Apply(transaction);
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foreach(AbstractChange change in Thread.getNewPostChanges(this, threadInsert.getId().Value, null, poster, actualLayer, title, body, date, forcedPostId).Value) {
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dataInsertSet.Add(change);
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}
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dataInsertSet.Apply(transaction);
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});
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}
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return Thread.LoadById(threadInsert.getId().Value);
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}
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}
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}
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