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354 lines
10 KiB
354 lines
10 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 Thread : SqlObject<Thread> {
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public class TableSpec : ISqlObjectTableSpec {
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public const string TABLE = "Threads";
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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_FIRSTPOSTID = "FirstPostId";
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public const string FIELD_TOPICSTARTERID = "TopicstarterId";
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public const string FIELD_TITLE = "Title";
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public const string FIELD_LASTPOSTID = "LastPostId";
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public const string FIELD_LASTPOSTDATE = "LastPostDate";
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public const string FIELD_ISANNOUNCEMENT = "IsAnnouncement";
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public const string FIELD_ISLOCKED = "IsLocked";
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public const string FIELD_TOTALPOSTS = "TotalPosts";
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public const string FIELD_TOTALVIEWS = "TotalViews";
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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 = "Threads_ReadMarkers";
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public const string FIELD_ID = "Id";
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public const string FIELD_THREADID = "ThreadId";
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public const string FIELD_ACCOUNTID = "AccountId";
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public const string FIELD_POSTID = "PostId";
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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 _boardId;
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public int boardId {
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get {
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this.LoadIfNotLoaded();
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return this._boardId;
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}
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}
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public Board board {
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get {
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return Board.LoadById(this.boardId);
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}
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}
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private int _firstPostId;
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public int firstPostId {
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get {
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this.LoadIfNotLoaded();
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return this._firstPostId;
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}
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}
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public Post firstPost {
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get {
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return Post.LoadById(this.firstPostId);
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}
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}
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private int _topicstarterId;
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public int topicstarterId {
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get {
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this.LoadIfNotLoaded();
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return this._topicstarterId;
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}
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}
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public User topicstarter {
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get {
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return User.LoadById(this.topicstarterId);
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}
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}
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private string _title;
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public string title {
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get {
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this.LoadIfNotLoaded();
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return this._title;
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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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private DateTime _lastPostDate;
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public DateTime lastPostDate {
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get {
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this.LoadIfNotLoaded();
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return this._lastPostDate;
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}
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}
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private bool _isAnnouncement;
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public bool isAnnouncement {
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get {
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this.LoadIfNotLoaded();
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return this._isAnnouncement;
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}
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}
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private bool _isLocked;
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public bool isLocked {
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get {
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this.LoadIfNotLoaded();
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return this._isAnnouncement;
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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 _totalViews;
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public int totalViews {
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get {
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this.LoadIfNotLoaded();
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return this._totalViews;
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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._boardId = int.Parse(data[TableSpec.FIELD_BOARDID]);
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this._firstPostId = int.Parse(data[TableSpec.FIELD_FIRSTPOSTID]);
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this._topicstarterId = int.Parse(data[TableSpec.FIELD_TOPICSTARTERID]);
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this._title = data[TableSpec.FIELD_TITLE];
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this._lastPostId = int.Parse(data[TableSpec.FIELD_LASTPOSTID]);
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this._lastPostDate = new DateTime(long.Parse(data[TableSpec.FIELD_LASTPOSTDATE]));
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this._isAnnouncement = FLocal.Core.Util.string2bool(data[TableSpec.FIELD_ISANNOUNCEMENT]);
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this._isLocked = FLocal.Core.Util.string2bool(data[TableSpec.FIELD_ISLOCKED]);
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this._totalPosts = int.Parse(data[TableSpec.FIELD_TOTALPOSTS]);
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this._totalViews = int.Parse(data[TableSpec.FIELD_TOTALVIEWS]);
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}
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private bool hasNewPosts() {
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return Core.Util.RandomInt(0, 1000) < 500;
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}
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public XElement exportToXmlSimpleWithParent(UserContext context) {
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return new XElement("thread",
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new XElement("id", this.id),
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new XElement("name", this.title),
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new XElement("parent", this.board.exportToXmlSimpleWithParent(context))
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);
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}
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public XElement exportToXml(UserContext context, bool includeFirstPost, params XElement[] additional) {
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XElement result = new XElement("thread",
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new XElement("id", this.id),
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new XElement("firstPostId", this.firstPostId),
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new XElement("topicstarter", this.topicstarter.exportToXmlForViewing(context)),
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new XElement("title", this.title),
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new XElement("lastPostId", this.lastPostId),
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new XElement("lastPostDate", this.lastPostDate.ToXml()),
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new XElement("isAnnouncement", this.isAnnouncement),
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new XElement("isLocked", this.isLocked),
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new XElement("totalPosts", this.totalPosts),
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new XElement("totalViews", this.totalViews),
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new XElement("bodyShort", this.firstPost.bodyShort),
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context.formatTotalPosts(this.totalPosts)
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);
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if(includeFirstPost) {
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result.Add(new XElement("firstPost", this.firstPost.exportToXmlWithoutThread(context, false)));
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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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public IEnumerable<Post> getPosts(Diapasone diapasone, UserContext context) {
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return Post.LoadByIds(
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from stringId in Config.instance.mainConnection.LoadIdsByConditions(
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Post.TableSpec.instance,
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new ComparisonCondition(
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Post.TableSpec.instance.getColumnSpec(Post.TableSpec.FIELD_THREADID),
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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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new SortSpec[] {
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new SortSpec(
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Post.TableSpec.instance.getIdSpec(),
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true
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),
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}
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) select int.Parse(stringId)
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);
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}
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public void incrementViewsCounter() {
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ChangeSetUtil.ApplyChanges(new AbstractChange[] {
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new UpdateChange(
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TableSpec.instance,
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new Dictionary<string,AbstractFieldValue>() {
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{
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TableSpec.FIELD_TOTALVIEWS,
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new IncrementFieldValue()
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}
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},
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this.id
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)
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});
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}
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private Post getLastRead(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_THREADID),
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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 null;
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}
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Dictionary<string, string> data = Config.instance.mainConnection.LoadById(ReadMarkerTableSpec.instance, stringIds[0]);
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if((data[ReadMarkerTableSpec.FIELD_POSTID] == "") || (data[ReadMarkerTableSpec.FIELD_POSTID] == null)) {
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return null;
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}
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return Post.LoadById(int.Parse(data[ReadMarkerTableSpec.FIELD_POSTID]));
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}
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public int getLastReadId(Session session) {
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if(session == null) {
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return 0;
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}
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Post post = this.getLastRead(session.account);
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if(post == null) {
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return 0;
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}
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return post.id;
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}
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public void markAsRead(Account account, Post minPost, Post maxPost) {
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ChangeSetUtil.ApplyChanges(new AbstractChange[] {
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new InsertOrUpdateChange(
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ReadMarkerTableSpec.instance,
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new Dictionary<string,AbstractFieldValue> {
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{
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ReadMarkerTableSpec.FIELD_THREADID,
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new ScalarFieldValue(this.id.ToString())
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},
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{
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ReadMarkerTableSpec.FIELD_ACCOUNTID,
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new ScalarFieldValue(account.id.ToString())
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},
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{
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ReadMarkerTableSpec.FIELD_POSTID,
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new ScalarFieldValue(
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(minPost.id < this.firstPostId)
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?
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maxPost.id.ToString()
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:
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null
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) },
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},
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new Dictionary<string,AbstractFieldValue> {
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{
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ReadMarkerTableSpec.FIELD_POSTID,
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new IncrementFieldValue(
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s => {
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if((s == null) || (s == "")) {
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s = "0"; //workaround
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}
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if(maxPost.id < int.Parse(s)) {
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return (s == "0") ? null : s; //if some newer posts were already read
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}
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long count = Config.instance.mainConnection.GetCountByConditions(
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Post.TableSpec.instance,
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new ComplexCondition(
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ConditionsJoinType.AND,
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new ComparisonCondition(
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Post.TableSpec.instance.getColumnSpec(Post.TableSpec.FIELD_THREADID),
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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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Post.TableSpec.instance.getIdSpec(),
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ComparisonType.GREATERTHAN,
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s
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),
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new ComparisonCondition(
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Post.TableSpec.instance.getIdSpec(),
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ComparisonType.LESSTHAN,
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minPost.id.ToString()
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)
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),
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new JoinSpec[0]
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);
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if(count > 0) {
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return (s == "0") ? null : s; //if there are some unread posts earlier than minPost
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} else {
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return maxPost.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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new ComplexCondition(
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ConditionsJoinType.AND,
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new ComparisonCondition(
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ReadMarkerTableSpec.instance.getColumnSpec(ReadMarkerTableSpec.FIELD_THREADID),
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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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}
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