public async Task <DbUserReport> UpsertReport(DbUserReport newReport)
{
var result = await this._docClient.UpsertDocumentAsync(
UriFactory.CreateDocumentCollectionUri(
_elmDbName,
_reportsCollectionName),
newReport);
return(JsonConvert.DeserializeObject <DbUserReport>(result.Resource.ToString()));
}
public async Task CalculateReportsForUsers(int staleCutoff, int maxUsersToCalculate)
{
var staleDate = DateTime.UtcNow.AddDays(0 - staleCutoff);
var usersWithStaleReports = _elmDb.GetUsers(staleDate, maxUsersToCalculate);
var failedUsers = new List <DbUser>();
_log.LogInformation("Users with stale reports: " + usersWithStaleReports.Count());
foreach (var user in usersWithStaleReports)
{
try
{
var userReport = BuildReportForUser(user.Id);
var dbUserReport = new DbUserReport()
{
CreatedTime = DateTime.UtcNow,
Report = userReport
};
var savedReport = await _elmDb.UpsertReport(dbUserReport);
user.MostRecentReportId = savedReport.Id;
user.MostRecentReportUpdate = savedReport.CreatedTime;
await _elmDb.UpsertUserAsync(user);
}
catch (Exception ex)
{
_log.LogWarning("Failed when processing user report: " + ex.Message);
failedUsers.Add(user);
}
}
if (failedUsers.Any())
{
var errorMessage = new StringBuilder("Failed to generate report for 1 or more users, including the following: ");
for (var i = 0; i < failedUsers.Count && i < 10; i++)
{
errorMessage.Append(failedUsers[i].Id);
errorMessage.Append(", ");
}
errorMessage.Append(" total failures: ");
errorMessage.Append(failedUsers.Count);
_log.LogError(errorMessage.ToString());
}
_log.LogInformation("Done calculating reports.");
}