public void DeleteSnippet(string sFileName)
{
// get prexisting tag list for this snippet
TableOperation pRetrieveInitialOperation = TableOperation.Retrieve <SnippetTableEntity>("SNIPPET", sFileName);
TableResult pInitialSnippetResult = this.Table.Execute(pRetrieveInitialOperation);
SnippetTableEntity pInitialSnippet = (SnippetTableEntity)pInitialSnippetResult.Result;
string sPreviousTags = pInitialSnippet.TagList;
List <string> lPreviousTags = sPreviousTags.Split(',').ToList();
// delete every combination of tag partition key and the filename (rowkey)
foreach (string sOldTag in lPreviousTags)
{
// referencing row entity with a dynamic table entity allows deletion by partition/row key without having to first manually retrieve the correct entity
DynamicTableEntity pDynamicEntity = new DynamicTableEntity(sOldTag, sFileName);
pDynamicEntity.ETag = "*";
TableOperation pDeletionOperation = TableOperation.Delete(pDynamicEntity);
this.Table.Execute(pDeletionOperation);
}
// delete the snippet from the SNIPPET partition
TableOperation pInitialSnippetDeletion = TableOperation.Delete(pInitialSnippet);
this.Table.Execute(pInitialSnippetDeletion);
// delete the snippet blob
CloudBlockBlob pBlob = this.Container.GetBlockBlobReference(sFileName);
pBlob.Delete();
}
public void EditSnippet(string sFileName, string sSnippet, string sTagList)
{
//List<string> lTags = sTagList.Split(',').ToList();
// get prexisting tag list for this snippet
TableOperation pRetrieveInitialOperation = TableOperation.Retrieve <SnippetTableEntity>("SNIPPET", sFileName);
TableResult pInitialSnippetResult = this.Table.Execute(pRetrieveInitialOperation);
SnippetTableEntity pInitialSnippet = (SnippetTableEntity)pInitialSnippetResult.Result;
string sPreviousTags = pInitialSnippet.TagList;
List <string> lPreviousTags = sPreviousTags.Split(',').ToList();
//List<TableOperation> lOperations = new List<TableOperation>();
// 1. delete all tags for snippet that currently exist (query row key) INCLUDING THE SNIPPET PARTITION
// delete every combination of tag partition key and the filename (rowkey)
foreach (string sOldTag in lPreviousTags)
{
// referencing row entity with a dynamic table entity allows deletion by partition/row key without having to first manually retrieve the correct entity
DynamicTableEntity pDynamicEntity = new DynamicTableEntity(sOldTag, sFileName);
pDynamicEntity.ETag = "*";
TableOperation pDeletionOperation = TableOperation.Delete(pDynamicEntity);
this.Table.Execute(pDeletionOperation);
//lOperations.Add(pDeletionOperation);
}
// delete the snippet from the SNIPPET partition
TableOperation pInitialSnippetDeletion = TableOperation.Delete(pInitialSnippet);
this.Table.Execute(pInitialSnippetDeletion);
// 2. edit the snippets blob content
CloudBlockBlob pBlob = this.Container.GetBlockBlobReference(sFileName);
pBlob.UploadText(sSnippet);
// 3. using same process as add snippet, add tags stuff
this.AddTagsForSnippet(sFileName, sTagList);
}
// non public methods
private void AddTagsForSnippet(string sFileName, string sTagList)
{
List <string> lTags = sTagList.Split(',').ToList();
List <TableOperation> lOperations = new List <TableOperation>();
// add the snippet name to each of the tag sets
foreach (string sTag in lTags)
{
TagSnippetTableEntity pTagSnippetEntity = new TagSnippetTableEntity(sTag, sFileName);
pTagSnippetEntity.TagList = sTagList;
lOperations.Add(TableOperation.Insert(pTagSnippetEntity));
}
// add the raw snippet
SnippetTableEntity pSnippetEntity = new SnippetTableEntity(sFileName);
pSnippetEntity.TagList = sTagList;
lOperations.Add(TableOperation.Insert(pSnippetEntity));
// try to add the tags (NOTE: This does NOT add source tags)
foreach (string sTag in lTags)
{
TagTableEntity pTagEntity = new TagTableEntity(sTag);
pTagEntity.IsSource = false;
if (sTag.StartsWith("source:"))
{
pTagEntity.IsSource = true;
}
lOperations.Add(TableOperation.InsertOrReplace(pTagEntity));
}
// run all the operations
foreach (TableOperation pOperation in lOperations)
{
this.Table.Execute(pOperation);
}
}