private bool ValidatePatchRequest(CompanyPartsApiPatchRequest req)
{
if (req.LoginToken == null)
{
return(false);
}
if (req.AuthToken == null)
{
return(false);
}
if (req.UserId <= 0)
{
return(false);
}
if (req.PartEntryId <= 0)
{
return(false);
}
if (req.FieldName == null)
{
return(false);
}
if (req.FieldValue == null || req.FieldValue.Equals(""))
{
return(false);
}
return(true);
}
/// <summary>
/// PATCH request format located in the Web Api Enumeration v2
/// under the tab Company/Parts, starting row 28
/// </summary>
/// <param name="ctx">HttpListenerContext to respond to</param>
private void HandlePatchRequest(HttpListenerContext ctx)
{
try
{
#region Inpute Validation
if (!ctx.Request.HasEntityBody)
{
WriteBodyResponse(ctx, 400, "Bad Request", "No Body");
return;
}
string reqStr;
using (var reader = new StreamReader(ctx.Request.InputStream))
{
reqStr = reader.ReadToEnd();
}
CompanyPartsApiPatchRequest entry = JsonDataObjectUtil <CompanyPartsApiPatchRequest> .ParseObject(reqStr);
if (!ValidatePatchRequest(entry))
{
CompanyPartsApiDeleteRequest entry2 = JsonDataObjectUtil <CompanyPartsApiDeleteRequest> .ParseObject(reqStr);
if (entry2 != null)
{
HandleDeleteRequest(ctx, entry2);
return;
}
WriteBodyResponse(ctx, 400, "Bad Request", "Incorrect Format");
return;
}
#endregion
MySqlDataManipulator connection = new MySqlDataManipulator();
using (connection)
{
bool res = connection.Connect(MySqlDataManipulator.GlobalConfiguration.GetConnectionString());
if (!res)
{
WriteBodyResponse(ctx, 500, "Unexpected Server Error", "Connection to database failed");
return;
}
#region User Validation
OverallUser mappedUser = connection.GetUserById(entry.UserId);
if (mappedUser == null)
{
WriteBodyResponse(ctx, 404, "Not Found", "User was not found on on the server");
return;
}
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 ezpired or incorrect");
return;
}
if ((mappedUser.AccessLevel & AccessLevelMasks.PartMask) == 0)
{
WriteBodyResponse(ctx, 401, "Not Autherized", "Not marked as a Parts User");
return;
}
#endregion
#region Edit Parts Entry
var partEntry = connection.GetPartCatalogueEntryById(mappedUser.Company, entry.PartEntryId);
if (partEntry == null)
{
WriteBodyResponse(ctx, 404, "Not Found", "Part entry with the given id was not found");
return;
}
switch (entry.FieldName)
{
case "Make":
partEntry.Make = entry.FieldValue;
break;
case "Model":
partEntry.Model = entry.FieldValue;
break;
case "Year":
partEntry.Year = int.Parse(entry.FieldValue);
break;
case "PartId":
partEntry.PartId = entry.FieldValue;
break;
case "PartName":
partEntry.PartName = entry.FieldValue;
break;
default:
WriteBodyResponse(ctx, 404, "Not Found", "The field specified was not found");
return;
}
if (!connection.UpdatePartEntry(mappedUser.Company, partEntry))
{
WriteBodyResponse(ctx, 500, "Internal Server Error", "Error occured while removing part entry: " + 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);
}
}