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266 lines
8.4 KiB
266 lines
8.4 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;
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using FLocal.Common.actions;
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namespace FLocal.Common.dataobjects {
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public class Post : SqlObject<Post> {
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public class TableSpec : ISqlObjectTableSpec {
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public const string TABLE = "Posts";
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public const string FIELD_ID = "Id";
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public const string FIELD_POSTERID = "PosterId";
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public const string FIELD_POSTDATE = "PostDate";
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public const string FIELD_LASTCHANGEDATE = "LastChangeDate";
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public const string FIELD_REVISION = "Revision";
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public const string FIELD_LAYERID = "LayerId";
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public const string FIELD_TITLE = "Title";
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public const string FIELD_BODY = "Body";
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public const string FIELD_THREADID = "ThreadId";
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public const string FIELD_PARENTPOSTID = "ParentPostId";
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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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protected override ISqlObjectTableSpec table { get { return TableSpec.instance; } }
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private int _posterId;
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public int posterId {
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get {
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this.LoadIfNotLoaded();
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return this._posterId;
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}
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}
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public User poster {
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get {
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this.LoadIfNotLoaded();
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return User.LoadById(this.posterId);
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}
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}
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private DateTime _postDate;
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public DateTime postDate {
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get {
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this.LoadIfNotLoaded();
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return this._postDate;
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}
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}
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private DateTime _lastChangeDate;
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public DateTime lastChangeDate {
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get {
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this.LoadIfNotLoaded();
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return this._lastChangeDate;
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}
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}
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private int? _revision;
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public int? revision {
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get {
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this.LoadIfNotLoaded();
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return this._revision;
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}
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}
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public Revision latestRevision {
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get {
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return Revision.LoadById(
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int.Parse(
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Config.instance.mainConnection.LoadIdsByConditions(
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Revision.TableSpec.instance,
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new ComplexCondition(
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ConditionsJoinType.AND,
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new ComparisonCondition(
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Revision.TableSpec.instance.getColumnSpec(Revision.TableSpec.FIELD_POSTID),
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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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Revision.TableSpec.instance.getColumnSpec(Revision.TableSpec.FIELD_NUMBER),
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ComparisonType.EQUAL,
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this.revision.ToString()
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)
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),
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Diapasone.unlimited
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).Single()
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)
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);
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}
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}
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private int _layerId;
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public int layerId {
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get {
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this.LoadIfNotLoaded();
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return this._layerId;
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}
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}
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public PostLayer layer {
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get {
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return PostLayer.LoadById(this.layerId);
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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 string _body;
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public string body {
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get {
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this.LoadIfNotLoaded();
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return this._body;
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}
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}
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public string bodyShort {
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get {
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return this.body.Replace("<br />", Util.EOL).Replace("<br/>", Util.EOL).PHPSubstring(0, 1000);
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}
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}
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private int _threadId;
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public int threadId {
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get {
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this.LoadIfNotLoaded();
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return this._threadId;
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}
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}
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public Thread thread {
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get {
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return Thread.LoadById(this.threadId);
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}
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}
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private int? _parentPostId;
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public int? parentPostId {
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get {
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this.LoadIfNotLoaded();
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return this._parentPostId;
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}
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}
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public Post parentPost {
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get {
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return Post.LoadById(this.parentPostId.Value);
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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._posterId = int.Parse(data[TableSpec.FIELD_POSTERID]);
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this._postDate = Util.ParseDateTimeFromTimestamp(data[TableSpec.FIELD_POSTDATE]).Value;
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this._lastChangeDate = Util.ParseDateTimeFromTimestamp(data[TableSpec.FIELD_LASTCHANGEDATE]).Value;
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this._revision = Util.ParseInt(data[TableSpec.FIELD_REVISION]);
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this._layerId = int.Parse(data[TableSpec.FIELD_LAYERID]);
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this._title = data[TableSpec.FIELD_TITLE];
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this._body = data[TableSpec.FIELD_BODY];
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this._threadId = int.Parse(data[TableSpec.FIELD_THREADID]);
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this._parentPostId = Util.ParseInt(data[TableSpec.FIELD_PARENTPOSTID]);
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}
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public XElement exportToXmlSimpleWithParent(UserContext context) {
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return new XElement("post",
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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.thread.exportToXmlSimpleWithParent(context))
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);
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}
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private XNode XMLBody(UserContext context) {
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return XElement.Parse("<body>" + context.outputParams.preprocessBodyIntermediate(this.body) + "</body>", LoadOptions.PreserveWhitespace);
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}
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public XElement exportToXmlWithoutThread(UserContext context, bool includeParentPost, params XElement[] additional) {
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if(!context.isPostVisible(this)) return null;
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XElement result = new XElement("post",
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new XElement("id", this.id),
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new XElement("poster", this.poster.exportToXmlForViewing(context)),
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new XElement("postDate", this.postDate.ToXml()),
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new XElement("lastChangeDate", this.lastChangeDate.ToXml()),
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new XElement("revision", this.revision.ToString()),
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new XElement("layerId", this.layerId),
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new XElement("layerName", this.layer.name),
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new XElement("title", this.title),
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new XElement("body", context.outputParams.preprocessBodyIntermediate(this.body)),
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//this.XMLBody(context),
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new XElement("bodyShort", this.bodyShort),
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new XElement("threadId", this.threadId),
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new XElement("isOwner", ((context.account != null) && (this.poster.id == context.account.user.id)).ToPlainString())
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);
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if(includeParentPost) {
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if(this.parentPostId.HasValue) {
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result.Add(new XElement("parentPost", this.parentPost.exportToXmlWithoutThread(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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public Post Reply(User poster, string title, string body, PostLayer desiredLayer) {
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return this.Reply(poster, title, body, desiredLayer, DateTime.Now, null);
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}
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public Post Reply(User poster, string title, string body, PostLayer desiredLayer, DateTime date, int? forcedPostId) {
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if(this.thread.isLocked && poster.name != "inga-lovinde") {
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throw new FLocalException("thread locked");
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}
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PostLayer actualLayer = poster.getActualLayer(this.thread.board, desiredLayer);
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var changes = Thread.getNewPostChanges(this.thread.board, this.threadId, this, poster, actualLayer, title, body, date, forcedPostId);
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ChangeSetUtil.ApplyChanges(changes.Value.ToArray());
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return Post.LoadById(changes.Key.getId().Value);
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}
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private readonly object Edit_locker = new object(); //TODO: move locking to DB
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public void Edit(User user, string newTitle, string newBody, PostLayer newDesiredLayer) {
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if(this.poster.id != user.id) {
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throw new AccessViolationException();
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}
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PostLayer actualLayer = poster.getActualLayer(this.thread.board, newDesiredLayer);
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if(actualLayer.id < this.layer.id) {
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actualLayer = this.layer;
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}
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lock(this.Edit_locker) {
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ChangeSetUtil.ApplyChanges(
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new InsertChange(
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Revision.TableSpec.instance,
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new Dictionary<string, AbstractFieldValue> {
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{ Revision.TableSpec.FIELD_POSTID, new ScalarFieldValue(this.id.ToString()) },
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{ Revision.TableSpec.FIELD_CHANGEDATE, new ScalarFieldValue(DateTime.Now.ToUTCString()) },
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{ Revision.TableSpec.FIELD_TITLE, new ScalarFieldValue(newTitle) },
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{ Revision.TableSpec.FIELD_BODY, new ScalarFieldValue(newBody) },
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{ Revision.TableSpec.FIELD_NUMBER, new ScalarFieldValue((this.revision + 1).ToString()) },
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}
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),
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new UpdateChange(
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TableSpec.instance,
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new Dictionary<string, AbstractFieldValue> {
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{ TableSpec.FIELD_TITLE, new ScalarFieldValue(newTitle) },
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{ TableSpec.FIELD_BODY, new ScalarFieldValue(UBBParser.UBBToIntermediate(newBody)) },
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{ TableSpec.FIELD_LASTCHANGEDATE, new ScalarFieldValue(DateTime.Now.ToUTCString()) },
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{ TableSpec.FIELD_REVISION, new IncrementFieldValue() },
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{ TableSpec.FIELD_LAYERID, new ScalarFieldValue(actualLayer.id.ToString()) },
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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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}
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}
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}
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