public async Task <List <CostUsageResponse> > GetCurrentMonthCost(CostUsageRequest costUsageRequest)
{
costUsageRequest.StartDate = new DateTime(DateTime.Now.Year, DateTime.Now.Month, 1);
costUsageRequest.EndDate = costUsageRequest.StartDate.AddMonths(1).AddDays(-1);
costUsageRequest.Granularity = "MONTHLY";
var mapRequest = mapper.Map <GetCostAndUsageRequest>(costUsageRequest);
var response = await costExplorerRepository.GetCostAndUsage(mapRequest);
var totalDays = DateTime.DaysInMonth(new DateTime(DateTime.Now.Year, DateTime.Now.Month, 1).AddMonths(-1).Year, new DateTime(DateTime.Now.Year, DateTime.Now.Month, 1).AddMonths(-1).Month);
var currentDay = DateTime.Now.Day;
var lastMonthTotalCost = await GetLastMonthCost(costUsageRequest);
var lastMonthsAvg = lastMonthTotalCost / totalDays;
var lastMonthAverageofDesiredDays = lastMonthsAvg * currentDay;
var mapResponse = response.ResultsByTime.SelectMany(x => x.Groups).Select(amt => Convert.ToDecimal(amt.Metrics[costUsageRequest.Metrics].Amount)).Sum();
var currentMonthPercentageChange = ((lastMonthAverageofDesiredDays - mapResponse) / mapResponse) * 100;
return(new List <CostUsageResponse>()
{
new CostUsageResponse()
{
Name = DateTime.Now.ToString("MMMM") + "-" + DateTime.Now.Year.ToString(),
Amount = mapResponse,
Custom = Convert.ToString(Math.Round(currentMonthPercentageChange, 2))
}
});
}
public async Task <List <CostUsageResponse> > GetCostByMonth(CostUsageRequest costUsageRequest)
{
var cacheKey = CacheHelpers.GenerateCostByMonthCacheItemKey(costUsageRequest);
return(await cache.GetOrCreateAsync(cacheKey, async entry =>
{
entry.AbsoluteExpirationRelativeToNow = CacheHelpers.absoluteExpirationRelativeToNow;
return await costExplorerOperations.GetCostByMonth(costUsageRequest);
}));
}
public async Task <IActionResult> GetMonthlyCostPrediction([FromBody] CostUsageRequest costUsageRequest)
{
if (!ValidationHelper.IsValidCostUsageRequest(costUsageRequest, out string message))
{
return(BadRequest(new { Message = message }));
}
var response = await costExplorerOperations.GetCostForecast(costUsageRequest);
return(Ok(response));
}
public async Task <List <CostUsageResponse> > GetCostByMonth(CostUsageRequest costUsageRequest)
{
var mapRequest = mapper.Map <GetCostAndUsageRequest>(costUsageRequest);
var response = await costExplorerRepository.GetCostAndUsage(mapRequest);
var mapResponse = response.ResultsByTime.Select(x => new { x.Groups, x.TimePeriod }).Select(z => new CostUsageResponse()
{
Name = Convert.ToDateTime(z.TimePeriod.Start).ToString("MMMM") + "-" + Convert.ToDateTime(z.TimePeriod.Start).Year.ToString(),
Amount = z.Groups.Sum(s => Convert.ToDecimal(s.Metrics[costUsageRequest.Metrics].Amount))
});
return(mapResponse.ToList());
}
public async Task <decimal> GetLastMonthCost(CostUsageRequest costUsageRequest)
{
costUsageRequest.StartDate = new DateTime(DateTime.Now.Year, DateTime.Now.Month, 1).AddMonths(-1);
costUsageRequest.EndDate = new DateTime(DateTime.Now.Year, DateTime.Now.Month, 1).AddDays(-1);
costUsageRequest.Granularity = "MONTHLY";
var mapRequest = mapper.Map <GetCostAndUsageRequest>(costUsageRequest);
var response = await costExplorerRepository.GetCostAndUsage(mapRequest);
var mapResponse = response.ResultsByTime.SelectMany(x => x.Groups).Select(amt => Convert.ToDecimal(amt.Metrics[costUsageRequest.Metrics].Amount)).Sum();
return(mapResponse);
}
public async Task <List <CostUsageResponse> > GetForecastForCurrentMonth(CostUsageRequest costUsageRequest)
{
var mapRequest = mapper.Map <GetCostForecastRequest>(costUsageRequest);
mapRequest.Granularity = Granularity.MONTHLY;
mapRequest.Metric = Amazon.CostExplorer.Metric.UNBLENDED_COST;
string startDate = DateTime.Now.AddDays(1).ToString("yyyy-MM-dd"); //DateTime.Now.AddDays(1).ToString("yyyy-MM-dd");
string endDate = new DateTime(DateTime.Now.Year, DateTime.Now.Month, 1).AddMonths(1).ToString("yyyy-MM-dd"); //new DateTime(DateTime.Now.Year, DateTime.Now.Month, 1).AddMonths(1).AddDays(-1).ToString("yyyy-MM-dd");
if (endDate.Equals(startDate))
{
}
mapRequest.TimePeriod = new DateInterval()
{
Start = startDate,
End = endDate
};
GetCostForecastResponse response = new GetCostForecastResponse();
try
{
response = await costExplorerRepository.GetCostForecast(mapRequest);
}
catch (DataUnavailableException ex)
{
return(new List <CostUsageResponse>()
{
new CostUsageResponse()
{
Name = "Current Month Cost:",
Amount = 0.00M,
Custom = "0",
Date = DateTime.Now
}
});
}
var currentMonthCost = response.Total.Amount;
var lastMonthCost = await GetLastMonthCost(costUsageRequest);
var mapResponse = response.ForecastResultsByTime.Select(x => new CostUsageResponse()
{
Name = "Current Month Cost:",
Amount = Convert.ToDecimal(currentMonthCost),
Custom = Convert.ToString(Math.Round((Convert.ToDecimal(currentMonthCost) - Convert.ToDecimal(lastMonthCost)) / Convert.ToDecimal(currentMonthCost) * 100, 2))
});
return(mapResponse.ToList());
}
public async Task <List <CostUsageResponse> > GetCurrentYearCost(CostUsageRequest costUsageRequest)
{
costUsageRequest.StartDate = new DateTime(DateTime.Now.Year, 1, 1);
costUsageRequest.EndDate = new DateTime(DateTime.Now.Year, DateTime.Now.Month, 1).AddMonths(1).AddDays(-1);
costUsageRequest.Granularity = "MONTHLY";
var mapRequest = mapper.Map <GetCostAndUsageRequest>(costUsageRequest);
var response = await costExplorerRepository.GetCostAndUsage(mapRequest);
var mapResponse = response.ResultsByTime.SelectMany(x => x.Groups).Select(amt => Convert.ToDecimal(amt.Metrics[costUsageRequest.Metrics].Amount)).Sum();
return(new List <CostUsageResponse>()
{
new CostUsageResponse()
{
Name = DateTime.Now.Year.ToString(),
Amount = mapResponse
}
});
}
public async Task <List <CostUsageResponse> > GetCostUsage(CostUsageRequest costUsageRequest)
{
var mapRequest = mapper.Map <GetCostAndUsageRequest>(costUsageRequest);
var response = await costExplorerRepository.GetCostAndUsage(mapRequest);
var mapResponse = response.ResultsByTime.SelectMany(x => x.Groups).GroupBy(x => x.Keys[response.GroupDefinitions.Count - 1])
.Select(z => new CostUsageResponse
{
Name = z.Key,
Amount = z.Sum(c => Convert.ToDecimal(c.Metrics[costUsageRequest.Metrics].Amount))
}
);
if (costUsageRequest.Limit.HasValue && costUsageRequest.Limit != -1)
{
return(mapResponse.OrderByDescending(x => x.Amount).Take(costUsageRequest.Limit.Value).ToList());
}
return(mapResponse.ToList());
}
public static bool IsValidCostUsageRequest(CostUsageRequest costUsageRequest, out string message)
{
DateTime temp;
if (!DateTime.TryParse(costUsageRequest.StartDate.ToString(), out temp))
{
message = $"Invalid Start Date:{costUsageRequest.StartDate.ToString()}";
return(false);
}
if (!DateTime.TryParse(costUsageRequest.EndDate.ToString(), out temp))
{
message = $"Invalid End Date:{costUsageRequest.EndDate.ToString()}";
return(false);
}
if (!CostUsageConstants.granularity.Any(x => x.Equals(costUsageRequest.Granularity)))
{
message = $"Granularity is invalid:{costUsageRequest.Granularity.ToString()}, Please provide a proper Granularity. Either MONTHLY or DAILY";
return(false);
}
if (!costUsageRequest.GroupBy.Any(x => CostUsageConstants.GroupBy.Any(y => y.Equals(x.Key))))
//(!CostUsageConstants.GroupBy.Any(x=> x.Equals(costUsageRequest.GroupBy.FirstOrDefault().Key)))
{
message = $"Invalid GroupBy key value:{String.Join(",",costUsageRequest.GroupBy.Select(x=> x.Key))}, it should be { String.Join(",", CostUsageConstants.GroupBy)}";
return(false);
}
if (!CostUsageConstants.Filter.Any(x => x.Equals(costUsageRequest.Filters.Key)))
{
message = $"Invalid Filter key value:{costUsageRequest.Filters.Key}, it should be {String.Join(",", CostUsageConstants.Filter)}";
return(false);
}
if (!CostUsageConstants.Metrics.Any(x => x.Equals(costUsageRequest.Metrics)))
{
message = $"Invalid Metrics value:{costUsageRequest.Metrics}, it should be {String.Join(",", CostUsageConstants.Metrics)}";
return(false);
}
message = "The request is valid";
return(true);
}
//getForecastForCurrentMonth
public async Task <List <CostUsageResponse> > GetCostForecast(CostUsageRequest costUsageRequest)
{
try
{
var mapRequest = mapper.Map <GetCostForecastRequest>(costUsageRequest);
mapRequest.Granularity = Granularity.MONTHLY;
mapRequest.Metric = Amazon.CostExplorer.Metric.UNBLENDED_COST;
string startDate = new DateTime(DateTime.Now.Year, DateTime.Now.Month, 1).AddMonths(1).ToString("yyyy-MM-dd");
string endDate = new DateTime(DateTime.Now.Year, DateTime.Now.Month, 1).AddMonths(1).AddYears(1).AddDays(-1).ToString("yyyy-MM-dd");
mapRequest.TimePeriod = new DateInterval()
{
Start = startDate,
End = endDate
};
var response = await costExplorerRepository.GetCostForecast(mapRequest);
var mapResponse = response.ForecastResultsByTime.Select(x => new CostUsageResponse()
{
Name = Convert.ToDateTime(x.TimePeriod.Start).ToString("MMMM") + "-" + Convert.ToDateTime(x.TimePeriod.Start).Year,
Amount = Convert.ToDecimal(x.MeanValue),
Date = Convert.ToDateTime(x.TimePeriod.Start)
});
return(mapResponse.ToList());
}
catch (DataUnavailableException ex)
{
return(new List <CostUsageResponse>()
{
new CostUsageResponse()
{
Name = DateTime.Now.ToString("MMMM") + "-" + DateTime.Now.Year.ToString(),
Amount = 0,
Date = DateTime.Now
}
});
}
}
public async Task <List <CostUsageResponse> > GetForecastForCurrentMonth(CostUsageRequest costUsageRequest)
{
var response = await costExplorerOperations.GetForecastForCurrentMonth(costUsageRequest);
return(response);
}
public static string GenerateCacheItemKeyForMonth(CostUsageRequest costUsageRequest)
{
return(string.Format(_monthItemsKeyTemplate, DateTime.Now.ToString("yyyyMMdd"), costUsageRequest.StartDate.ToString("yyyyMMdd"), costUsageRequest.EndDate.ToString("yyyyMMdd"), String.Join("-", costUsageRequest?.Filters?.Values)));
}
public static string GenerateCostByMonthCacheItemKey(CostUsageRequest costUsageRequest)
{
return(string.Format(_costByMonthItemsKeyTemplate, DateTime.Now.ToString("yyyyMMdd"), costUsageRequest.StartDate.ToString("yyyyMMdd"), costUsageRequest.EndDate.ToString("yyyyMMdd"), String.Join("-", costUsageRequest.GroupBy.Select(x => x.Key)), costUsageRequest.Granularity, String.Join("-", costUsageRequest?.Filters?.Values)));
}
