public async static Task <bool> AddNotes(NotesContent notes)
{
NotesStructure notesStructure = new NotesStructure();
notesStructure.Notes[Constants.USER_ID] = notes.UserId;
notesStructure.Notes[Constants.TIMESTAMP] = notes.TimeStamp;
notesStructure.Notes[Constants.NOTES_TEXT] = notes.NotesText;
notesStructure.Notes[Constants.NOTES_TITLE] = notes.NotesTitle;
if (!string.IsNullOrEmpty(notes.FilePath))
{
string keyName = "";
if (!UploadFileToS3(notes.UserId, notes.FilePath, out keyName))
{
Logger.AddLog("Failed to upload file to S3");
return(false);
}
notesStructure.Notes[Constants.FILE] = keyName;
}
var insertResult = DynamoDBHelper.Instance().InsertNotes(notesStructure);
if (insertResult)
{
Logger.AddLog("Successfully added notes");
}
else
{
Logger.AddLog("Failed to added notes");
}
return(insertResult);
}
/// <summary>
/// Inserts the notes into the appropriate DynamoDB table
/// </summary>
/// <param name="inputNotes"></param>
/// <returns></returns>
public bool InsertNotes(NotesStructure inputNotes)
{
try
{
var notes = new Document();
foreach (var field in inputNotes.Notes)
{
notes[field.Key] = field.Value; // Populate the notes Document from the input dictionary
}
PutItem(notes);
return(true);
}
catch (Exception ex)
{
Logger.AddLog(ex.ToString());
}
return(false);
}
/// <summary>
/// Fetch all the notes of a specific user
/// </summary>
/// <param name="userId"></param>
/// <returns></returns>
public List <NotesStructure> FetchNotes(string userId)
{
List <NotesStructure> notes = new List <NotesStructure>();
var request = new QueryRequest
{
TableName = notesTableName,
KeyConditions = new Dictionary <string, Condition>
{
{ Constants.USER_ID, new Condition()
{
ComparisonOperator = ComparisonOperator.EQ,
AttributeValueList = new List <AttributeValue>
{
new AttributeValue {
S = userId
} // S means attribute is of type string
}
} }
},
};
var response = client.QueryAsync(request).Result;
foreach (var item in response.Items)
{
NotesStructure notesStructure = new NotesStructure();
foreach (var field in item)
{
notesStructure.Notes[field.Key] = field.Value.S; // S implies a string type
}
notes.Add(notesStructure);
}
return(notes);
}
/// <summary>
/// Update a specific notes item in DynamoDB
/// </summary>
/// <param name="notesToUpdate"></param>
/// <returns></returns>
public bool UpdateItem(NotesStructure notesToUpdate)
{
return(false);
}
/// <summary>
/// Delete a specific notes item from DynamoDB
/// </summary>
/// <param name="notesToDelete"></param>
/// <returns></returns>
public bool DeleteItem(NotesStructure notesToDelete)
{
return(false);
}