/// <summary>
/// To get request details from database
/// </summary>
/// <param name="requestId">id of request</param>
/// <returns>details of the request</returns>
public RequestDetailsViewModel GetRequestDetails(int requestId)
{
using (RMSDbContext context = new RMSDbContext())
{
var requestDetails = context.USP_GetRequestDetails(requestId).Select(s => new RequestDetailsViewModel()
{
CompanyName = s.CompanyName,
CreatedBy = s.DisplayName,
CreatedOn = s.CreatedOn.ToString(Constants.DATE_FORMAT),
CustomerContact = s.CustomerContact,
CustomerName = s.CustomerName,
ModelNumber = s.ModelNumber,
ProblemDetails = s.ProblemDetails,
RequestId = s.RequestId,
Status = s.StatusName,
StatusId = s.StatusId ?? 0,
CustomerAddress = s.FullAddress,
Expense = s.Expense
}).SingleOrDefault();
if (requestDetails != null)
{
requestDetails.RequestChangeLog = context.USP_GetRequestStatusChangeLog(requestId).Select(cl =>
new RequestStatusLogViewModel()
{
Comments = cl.Comments,
ModifiedBy = cl.ModifiedBy,
ModifiedOn = cl.ModifiedOn.ToString(Constants.DATE_TIME_FORMAT),
UpdatedStatus = cl.StatusName
}).ToList();
}
return(requestDetails);
}
}
public string GetUserRoles(string userName, string password)
{
using (RMSDbContext context = new RMSDbContext())
{
var roleName = context.USP_AuthenticateUser(userName, password).Select(s => s.RoleName).SingleOrDefault();
return(roleName);
}
}
/// <summary>
/// To get userid from username
/// </summary>
/// <param name="userName">username</param>
/// <returns></returns>
public int?GetUserId(string userName)
{
using (RMSDbContext context = new RMSDbContext())
{
var userId = context.UserMaster.Where(s => s.UserName == userName).Select(s => s.UserId).SingleOrDefault();
return(userId);
}
}
/// <summary>
/// To get approved requests list
/// </summary>
/// <param name="pageNumber">page number</param>
/// <returns></returns>
public DashboardViewModel GetApprovedRequests(int pageNumber)
{
using (RMSDbContext context = new RMSDbContext())
{
var requestList = GetRequestListForDashboar(context, pageNumber, null, (int)StatusEnum.Approved);
return(requestList);
}
}
/// <summary>
/// To get request list attended by logged in user
/// </summary>
/// <param name="userId">id of logged in user</param>
/// <param name="pageNumber">page number </param>
/// <returns>request list</returns>
public DashboardViewModel GetMyAttendedRepairRequest(int userId, int pageNumber)
{
using (RMSDbContext context = new RMSDbContext())
{
var requestList = GetRequestListForDashboar(context, pageNumber, userId, null);
return(requestList);
}
}
//to get individual request count based on input status id
private ChartItemViewModel GetRequestCountByStatus(RMSDbContext context, int statusId)
{
var requestCount = context.USP_GetRequestCountByStatus(statusId)
.Select(s => new ChartItemViewModel()
{
Lable = s.StatusName,
Value = s.RequestCount ?? 0
}).SingleOrDefault();
return(requestCount);
}
//insert log of status update in database
private void UpdateStatusLog(RMSDbContext context, int requestId, int statusId, int modifiedBy, string comments)
{
var statusChangeLog = new RequestStatusChangeLog()
{
ModifiedBy = modifiedBy,
ModifiedOn = DateTime.Now,
RequestId = requestId,
StatusId = statusId,
Comments = comments
};
context.RequestStatusChangeLog.Add(statusChangeLog);
}
/// <summary>
/// To get states list from db
/// </summary>
/// <returns></returns>
public List <StateDropDownViewModel> GetStates()
{
using (RMSDbContext context = new RMSDbContext())
{
var stateList = context.StateMaster.Select(s => new StateDropDownViewModel()
{
StateId = s.StateId,
StateName = s.StateName
}).ToList();
return(stateList);
}
}
/// <summary>
/// Method to get cities list based on state id
/// </summary>
/// <returns></returns>
public List <CityDropDownViewModel> GetCities(int stateId)
{
using (RMSDbContext context = new RMSDbContext())
{
var cityList = context.CityMaster.Where(c => c.StateId == stateId).Select(c => new CityDropDownViewModel()
{
CityId = c.CityId,
StateId = c.StateId,
CityName = c.CityName
}).ToList();
return(cityList);
};
}
//To get average response time
private double?CalculateAvgResponseTime(RMSDbContext context)
{
double?averageResponseTime;
var responseTimeList = context.USP_GetRequestStartEndDate().Select(r => (r.ClosedOn - r.CreatedOn).TotalDays).ToList();
if (responseTimeList.Count > 0)
{
averageResponseTime = responseTimeList.Sum() / responseTimeList.Count;
}
else
{
averageResponseTime = null;
}
return(averageResponseTime);
}
//Common method to update status
private void UpdateStatus(UpdateRequestStatusViewModel updateRequestStatusViewModel, int statusIdToUpdate, bool allowPreviousStatus = false)
{
var updateStatusResponse = new UpdateStatusResponseViewModel();
using (RMSDbContext context = new RMSDbContext())
{
var requestDetails = context.RepairRequestDetails.Where(s => s.RequestId == updateRequestStatusViewModel.RequestId).Single();
if (!allowPreviousStatus && requestDetails.StatusId >= statusIdToUpdate)
{
throw new Exception("Status of the request " + requestDetails.RequestId + " is already moved forward.");
}
requestDetails.StatusId = statusIdToUpdate;
UpdateStatusLog(context, requestDetails.RequestId, statusIdToUpdate, updateRequestStatusViewModel.UserId, updateRequestStatusViewModel.Comment);
context.SaveChanges();
}
}
/// <summary>
/// Method to verify user credentials in database
/// </summary>
/// <param name="userName">username</param>
/// <param name="password">password</param>
/// <returns></returns>
public UserDetailsViewModel CheckUserCredentials(string userName, string password)
{
using (RMSDbContext context = new RMSDbContext())
{
var userDetails = context.USP_AuthenticateUser(userName, password).Select(
u => new UserDetailsViewModel()
{
UserId = u.UserId,
UserName = u.UserName,
EmailId = u.EmailId,
RoleName = u.RoleName,
DisplayName = u.DisplayName,
AuthorizationToken = CryptoHelper.Encrypt(String.Concat(userName, Constants.TOKEN_SEPARATOR, password), Constants.ENCRYPTION_KEY)
}).SingleOrDefault();
return(userDetails);
}
}
/// <summary>
/// To get necessary details to show graphs
/// </summary>
/// <param name="userId">id of logged in user</param>
/// <returns>details required to show all 3 graphs</returns>
public ReportViewModel GetReportDetails(int userId)
{
using (RMSDbContext context = new RMSDbContext())
{
var reportDetails = new ReportViewModel();
reportDetails.AverageResponseTime = CalculateAvgResponseTime(context);
//To get the request details created by logged in user
var myRequestDetails = context.USP_GetMyRequsetCountForReport(userId)
.Select(s => new ChartItemViewModel
{
Lable = s.CreatedDate,
Value = s.RequestCount ?? 0
}).ToList();
//Transfer request details into form required for Chart
reportDetails.BarChartDetails = new ChartsViewModel()
{
ChartData = myRequestDetails.Select(rd => rd.Value).ToList(),
ChartLable = myRequestDetails.Select(rd => rd.Lable).ToList()
};
var requestStatusCountDetails = new List <ChartItemViewModel>();
var pendingItemDetails = GetRequestCountByStatus(context, (int)StatusEnum.Pending);
requestStatusCountDetails.Add(pendingItemDetails);
var completedItemDetails = GetRequestCountByStatus(context, (int)StatusEnum.Completed);
requestStatusCountDetails.Add(completedItemDetails);
var approvedItemDetails = GetRequestCountByStatus(context, (int)StatusEnum.Approved);
requestStatusCountDetails.Add(approvedItemDetails);
var closedItemDetails = GetRequestCountByStatus(context, (int)StatusEnum.Closed);
requestStatusCountDetails.Add(closedItemDetails);
//convert status - request count into form required for Chart
reportDetails.DoughnutChartDetails = new ChartsViewModel()
{
ChartData = requestStatusCountDetails.Select(s => s.Value).ToList(),
ChartLable = requestStatusCountDetails.Select(s => s.Lable).ToList()
};
return(reportDetails);
}
}
/// <summary>
/// To create new repair request in database
/// </summary>
/// <param name="repairRequestDetails">details of request</param>
public void CreateNewRepairRequest(CreateRequestViewModel repairRequestDetails)
{
using (RMSDbContext context = new RMSDbContext())
{
using (var transaction = context.Database.BeginTransaction())
{
try
{
var requestDetails = new RepairRequestDetails()
{
CompanyName = repairRequestDetails.CompanyName,
CreatedBy = repairRequestDetails.CreatedBy,
CreatedOn = DateTime.Now,
CustomerContact = repairRequestDetails.CustomerContact,
CustomerName = repairRequestDetails.CustomerName,
ModelNumber = repairRequestDetails.ModelNumber,
ProblemDetails = repairRequestDetails.ProblemDetails,
StatusId = (int)StatusEnum.Pending,
CityId = repairRequestDetails.CityId,
CustomerAddress = repairRequestDetails.CustomerAddress,
CustomerPinCode = repairRequestDetails.PinCode,
Expense = Convert.ToDecimal(repairRequestDetails.Expense),
StateId = repairRequestDetails.StateId,
};
context.RepairRequestDetails.Add(requestDetails);
UpdateStatusLog(context, requestDetails.RequestId, requestDetails.StatusId, repairRequestDetails.CreatedBy, null);
context.SaveChanges();
transaction.Commit();
}
catch (Exception ex)
{
transaction.Rollback();
throw ex;
}
}
}
}
private DashboardViewModel GetRequestListForDashboar(RMSDbContext context, int pageNumber, int?userId, int?statusId)
{
var pageSize = Constants.ITEMS_PER_PAGE;
var requestList = context.USP_GetRequestsForDashboard(userId, statusId).
Select(s => new RequestDetailsForDashboardViewModel()
{
CompanyName = s.CompanyName,
CreatedOn = s.CreatedOn.ToString(Constants.DATE_FORMAT),
CustomerName = s.CustomerName,
ModelNumber = s.ModelNumber,
RequestId = s.RequestId,
Status = s.StatusName
}).ToList();
var dashboardViewModel = new DashboardViewModel()
{
RequestsList = requestList.Skip((pageNumber - 1) * pageSize).Take(pageSize).ToList(),
TotalRequestsCount = requestList.Count,
ItemsPerPage = pageSize
};
return(dashboardViewModel);
}
public LogService()
{
context = new RMSDbContext();
}
