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Fixed umbraco.cms.businesslogic.Tags.Tag.AddTagsToNode so it works on SqlCE. Added umbraco.cms.businesslogic.Tags.MergeTagsToNode

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This commit is contained in:
agrath
2011-10-31 10:16:44 -13:00
parent 62cf50ba8d
commit 95e985b96d
1 changed files with 77 additions and 10 deletions
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87
umbraco/cms/businesslogic/Tags/Tag.cs
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@@ -21,7 +21,7 @@ namespace umbraco.cms.businesslogic.Tags
TagCaption = tag;
Group = group;
NodeCount = nodeCount;
}
}
#endregion
#region Public Properties
@@ -47,7 +47,7 @@ namespace umbraco.cms.businesslogic.Tags
set;
}
#endregion
#endregion
#endregion
@@ -69,15 +69,77 @@ namespace umbraco.cms.businesslogic.Tags
if (id == 0)
id = AddTag(allTags[i], group);
SqlHelper.ExecuteNonQuery("if not exists(select nodeId from cmsTagRelationShip where nodeId = @nodeId and tagId = @tagId) INSERT INTO cmsTagRelationShip(nodeId,tagId) VALUES (@nodeId, @tagId)",
SqlHelper.CreateParameter("@nodeId", nodeId),
SqlHelper.CreateParameter("@tagId", id)
);
//GE 2011-10-31
//if not exists is not supported on SQLCE
//SqlHelper.ExecuteNonQuery("if not exists(select nodeId from cmsTagRelationShip where nodeId = @nodeId and tagId = @tagId) INSERT INTO cmsTagRelationShip(nodeId,tagId) VALUES (@nodeId, @tagId)",
// SqlHelper.CreateParameter("@nodeId", nodeId),
// SqlHelper.CreateParameter("@tagId", id)
// );
//Perform a subselect insert into cmsTagRelationship using a left outer join to perform the if not exists check
string sql = "insert into cmsTagRelationship (nodeId,tagId) select " + string.Format("{0}", nodeId) + ", " + string.Format("{0}", id) + " from cmsTags ";
//sorry, gotta do this, @params not supported in join clause
sql += "left outer join cmsTagRelationship on (cmsTags.id = cmsTagRelationship.TagId and cmsTagRelatifonship.nodeId = " + string.Format("{0}", nodeId) + ") ";
sql += "where cmsTagRelationship.tagId is null and cmsTags.id = " + string.Format("{0}", id);
SqlHelper.ExecuteNonQuery(sql);
}
}
public static void MergeTagsToNode(int nodeId, string tags, string group)
{
//GE 2011-11-01
//When you have a new CSV list of tags (e.g. from control) and want to push those to the DB, the only way to do this
//is delete all the existing tags and add the new ones.
//On a lot of tags, or a very full cmsTagRelationship table, this will perform too slowly
string sql = null;
string TagSet = GetSqlSet(tags, group);
//deletes any tags not found in csv
sql = "delete from cmsTagRelationship where nodeId = " + string.Format("{0}", nodeId) + " ";
sql += " and tagId in ( ";
sql += " select cmsTagRelationship.tagId ";
sql += " from ";
sql += " cmsTagRelationship ";
sql += " left outer join ";
sql += " (";
sql += " select NewTags.Id from ";
sql += " " + TagSet + " ";
sql += " inner join cmsTags as NewTags on (TagSet.Tag = NewTags.Tag and TagSet.[Group] = TagSet.[Group]) ";
sql += " ) as NewTagsSet ";
sql += " on (cmsTagRelationship.TagId = NewTagsSet.Id and cmsTagRelationship.NodeId = " + string.Format("{0}", nodeId) + ") ";
sql += " inner join cmsTags as OldTags on (cmsTagRelationship.tagId = OldTags.Id) ";
sql += " where NewTagsSet.Id is null ";
sql += " )";
SqlHelper.ExecuteNonQuery(sql);
//adds any tags found in csv that aren't in cmsTag for that group
sql = "insert into cmsTags (Tag,[Group]) ";
sql += " select TagSet.[Tag], TagSet.[Group] from ";
sql += " " + TagSet + " ";
sql += " left outer join cmsTags on (TagSet.Tag = cmsTags.Tag and TagSet.[Group] = cmsTags.[Group])";
sql += " where cmsTags.Id is null ";
SqlHelper.ExecuteNonQuery(sql);
//adds any tags found in csv that aren't in tagrelationships
sql = "insert into cmsTagRelationship (TagId,NodeId) ";
sql += "select NewTagsSet.Id, " + string.Format("{0}", nodeId) + " from ";
sql += "( ";
sql += "select NewTags.Id from ";
sql += " " + TagSet + " ";
sql += "inner join cmsTags as NewTags on (TagSet.Tag = NewTags.Tag and TagSet.[Group] = TagSet.[Group]) ";
sql += ") as NewTagsSet ";
sql += "left outer join cmsTagRelationship ";
sql += "on (cmsTagRelationship.TagId = NewTagsSet.Id and cmsTagRelationship.NodeId = " + string.Format("{0}", nodeId) + ") ";
sql += "where cmsTagRelationship.tagId is null ";
SqlHelper.ExecuteNonQuery(sql);
}
/// <summary>
/// Removes a tag from the database, this will also remove all relations
/// </summary>
@@ -158,7 +220,7 @@ namespace umbraco.cms.businesslogic.Tags
WHERE cmsTags.[group] = @group AND cmsTagRelationship.nodeid = @nodeid
GROUP BY cmsTags.id, cmsTags.tag, cmsTags.[group]";
return ConvertSqlToTags(sql,
return ConvertSqlToTags(sql,
SqlHelper.CreateParameter("@group", group),
SqlHelper.CreateParameter("@nodeid", nodeId));
@@ -241,7 +303,7 @@ namespace umbraco.cms.businesslogic.Tags
public static IEnumerable<CMSNode> GetNodesWithTags(string tags)
{
var nodes = new List<CMSNode>();
string sql = @"SELECT DISTINCT cmsTagRelationShip.nodeid from cmsTagRelationShip
INNER JOIN cmsTags ON cmsTagRelationShip.tagid = cmsTags.id WHERE (cmsTags.tag IN (" + GetSqlStringArray(tags) + "))";
using (IRecordsReader rr = SqlHelper.ExecuteReader(sql))
@@ -253,7 +315,12 @@ namespace umbraco.cms.businesslogic.Tags
}
return nodes;
}
private static string GetSqlSet(string commaSeparatedArray, string group)
{
// create array
var array = commaSeparatedArray.Trim().Split(',').ToList().ConvertAll(tag => string.Format("select '{0}' as Tag, '{1}' as [Group]", tag.Replace("'", ""), group)).ToArray();
return "(" + string.Join(" union ", array).Replace(" ", " ") + ") as TagSet";
}
private static string GetSqlStringArray(string commaSeparatedArray)
{
// create array
@@ -291,7 +358,7 @@ namespace umbraco.cms.businesslogic.Tags
}
}
return tags;
}