private bool ValidateDownvoteRequest(RequirementsDownvoteRequest req)
{
if (req.RepairJobId < 1)
{
return(false);
}
if (req.RequirementId < 0)
{
return(false);
}
if (req.UserId < 1)
{
return(false);
}
return(true);
}
/// <summary>
/// Request for down voting an auxillary requirement in a repair job entry. Documention is found in the Web API Enumeration file
/// in the /RepairJob/Requirements tab, starting at row 21
/// </summary>
/// <param name="ctx">The HttpListenerContext to respond to</param>
private void HandleDeleteRequest(HttpListenerContext ctx)
{
try
{
#region Input Validation
if (!ctx.Request.HasEntityBody)
{
WriteBodyResponse(ctx, 400, "Bad Request", "No Body");
return;
}
RequirementsDownvoteRequest entry = JsonDataObjectUtil <RequirementsDownvoteRequest> .ParseObject(ctx);
if (!ValidateDownvoteRequest(entry))
{
WriteBodyResponse(ctx, 400, "Bad Request", "Incorrect Format");
return;
}
#endregion
//Otherwise we have a valid entry, validate user
MySqlDataManipulator connection = new MySqlDataManipulator();
using (connection)
{
bool res = connection.Connect(MySqlDataManipulator.GlobalConfiguration.GetConnectionString());
if (!res)
{
WriteBodyResponse(ctx, 500, "Unexpected ServerError", "Connection to database failed");
return;
}
#region User Validation
OverallUser mappedUser = connection.GetUserById(entry.UserId);
if (!UserVerificationUtil.LoginTokenValid(mappedUser, entry.LoginToken))
{
WriteBodyResponse(ctx, 401, "Not Authorized", "Login token was incorrect.");
return;
}
if (!UserVerificationUtil.AuthTokenValid(mappedUser, entry.AuthToken))
{
WriteBodyResponse(ctx, 401, "Not Authorized", "Auth token was expired or incorrect");
return;
}
#endregion
#region Action Handling
RepairJobEntry repairEntry = connection.GetDataEntryById(mappedUser.Company, entry.RepairJobId, false);
if (repairEntry == null && connection.LastException == null)
{
WriteBodyResponse(ctx, 404, "Not Found", "Referenced Repair Job Was Not Found");
return;
}
else if (repairEntry == null)
{
WriteBodyResponse(ctx, 500, "Unexpected Server Error", connection.LastException.Message);
return;
}
//User is authenticated, and the job entry exists.... time to edit the requirements
RequirementsEntry requirementsEntry = RequirementsEntry.ParseJsonString(repairEntry.Requirements);
if (requirementsEntry == null)
{
WriteBodylessResponse(ctx, 500, "Unexpected Server Error");
return;
}
if (entry.RequirementId >= requirementsEntry.Auxillary.Count)
{
WriteBodylessResponse(ctx, 404, "Could not find a requirement with id " + entry.RequirementId);
}
if (requirementsEntry.Auxillary[entry.RequirementId].UserId == mappedUser.UserId ||
(mappedUser.AccessLevel & AccessLevelMasks.AdminMask) != 0)
{
requirementsEntry.Auxillary.RemoveAt(entry.RequirementId);
}
else
{
requirementsEntry.Auxillary[entry.RequirementId].Downvotes++;
//TODO: Once company settings are completed, search in the company's settings to see if the
//downvotes are high enough to warrent removal
}
repairEntry.Requirements = requirementsEntry.GenerateJsonString();
if (!connection.UpdateDataEntryRequirements(mappedUser.Company, repairEntry, false))
{
WriteBodyResponse(ctx, 500, "Unexpected Server Error", connection.LastException.Message);
return;
}
WriteBodylessResponse(ctx, 200, "OK");
#endregion
}
}
catch (HttpListenerException)
{
//HttpListeners dispose themselves when an exception occurs, so we can do no more.
}
catch (Exception e)
{
WriteBodyResponse(ctx, 500, "Internal Server Error", e.Message);
}
}