/// <summary>
/// Loads the data for this index item from a snippet file
/// </summary>
/// <param name="filePath">the path of the file</param>
private bool AddOrUpdateSnippetsToIndexFromSnippetFile(string filePath)
{
try
{
SnippetFile snippetFile = new SnippetFile(filePath);
foreach (Snippet currentSnippet in snippetFile.Snippets)
{
SnippetIndexItem existingItem = null;
indexedSnippets.TryGetValue(GetDictionaryKey(filePath, currentSnippet.Title), out existingItem);
if (existingItem == null)
{
//add the item to the collection
CreateIndexItemDataFromSnippet(currentSnippet, filePath);
}
else
{
UpdateIndexItemData(existingItem, currentSnippet);
}
}
}
catch (IOException e)
{
logger.Log("Unable to open snippet file at path: " + filePath, "SnippetIndex", e);
return false;
}
return true;
}
/// <summary>
/// Update a snippet item in the collection based upon the current filepath
/// then swap the item with the new one
/// </summary>
/// <param name="updatedSnippet">The updated snippet.</param>
/// <returns></returns>
public bool UpdateSnippetFile(SnippetFile updatedSnippetFile)
{
// Find keys to remove
List<string> keysToRemove = new List<string>();
// Keys we found and updated
List<string> foundKeys = new List<string>();
// These have title changes to we need to create a new key for them
List<Snippet> snippetsToAdd = new List<Snippet>();
// Update snippets that have not changed titles
foreach (Snippet snippet in updatedSnippetFile.Snippets)
{
SnippetIndexItem item = null;
string key = GetDictionaryKey(updatedSnippetFile.FileName, snippet.Title);
indexedSnippets.TryGetValue(key, out item);
if (item != null)
{
UpdateIndexItemData(item, snippet);
foundKeys.Add(key);
}
else
{
snippetsToAdd.Add(snippet);
}
}
if (snippetsToAdd.Count > 0)
{
// Figure out which keys are no longer valid
foreach (string key in indexedSnippets.Keys)
{
if (key.Contains(updatedSnippetFile.FileName.ToUpperInvariant()) &&
!foundKeys.Contains(key))
{
keysToRemove.Add(key);
}
}
// Since this file only has one snippet we know the one to update
// so we don't need to re-add it
if (updatedSnippetFile.Snippets.Count == 1 && keysToRemove.Count == 1)
{
SnippetIndexItem item = null;
indexedSnippets.TryGetValue(keysToRemove[0], out item);
if (item != null)
{
UpdateIndexItemData(item, updatedSnippetFile.Snippets[0]);
}
}
else
{
// Remove those keys
foreach (string key in keysToRemove)
{
lock (indexedSnippets)
{
indexedSnippets.Remove(key);
}
}
// Add update snippet items
foreach (Snippet snippet in snippetsToAdd)
{
CreateIndexItemDataFromSnippet(snippet, updatedSnippetFile.FileName);
}
}
}
return SaveIndexFile();
}