public static IEnumerable<ExceptionsCount> GetExceptionsCounts(ExceptionsDataLoadParams dataLoadParams)
{
if (dataLoadParams == null) throw new ArgumentNullException(nameof(dataLoadParams));
var query = @"
SELECT CREATED_AT FROM FEATURE_EXCEPTION_ENTRIES
WHERE (@VERSION IS NULL OR VERSION_ID = @VERSION)
AND (@FROMDATE <= CREATED_AT AND CREATED_AT <= @TODATE)";
if (dataLoadParams.Settings.RemoveExcluded)
{
query = @"
SELECT CREATED_AT FROM FEATURE_EXCEPTION_ENTRIES E
WHERE (@VERSION IS NULL OR VERSION_ID = @VERSION)
AND (@FROMDATE <= CREATED_AT AND CREATED_AT <= @TODATE)
AND NOT EXISTS (SELECT 1 FROM FEATURE_EXCEPTIONS_EXCLUDED EX WHERE E.EXCEPTION_ID = EX.EXCEPTION_ID)";
}
var versionId = default(long?);
var version = dataLoadParams.Version;
if (version != null)
{
var value = version.Row.Id;
if (value > 0)
{
versionId = value;
}
}
var toDate = DateTime.Now;
var timePeriodRow = dataLoadParams.TimePeriod.Row;
var fromDate = toDate.Add(-timePeriodRow.TimeOffset);
var sqlParams = new[]
{
new QueryParameter(@"@VERSION", versionId),
new QueryParameter(@"@FROMDATE", fromDate),
new QueryParameter(@"@TODATE", toDate),
};
var bukets = new int[timePeriodRow.ChartSamples];
var interval = (toDate - fromDate).TotalSeconds / bukets.Length;
var _ = new Dictionary<int, int>(0);
dataLoadParams.Context.Fill(_, (r, m) =>
{
bukets[Math.Min((int)(Math.Round((toDate - r.GetDateTime(0)).TotalSeconds / interval, MidpointRounding.AwayFromZero)), bukets.Length - 1)]++;
}, new Query(query, sqlParams));
var counts = new ExceptionsCount[bukets.Length];
for (var i = 0; i < bukets.Length; i++)
{
counts[i] = new ExceptionsCount(fromDate.AddSeconds(interval * i), bukets[bukets.Length - 1 - i]);
}
return counts;
}
private ExceptionsDataLoadParams GetExceptionsDataLoadParams(IDbContext context, ExceptionsSettings settings)
{
var loadParams = new ExceptionsDataLoadParams(context, settings)
{
Version = this.Version,
TimePeriod = this.TimePeriod
};
return loadParams;
}
public static IEnumerable<FeatureExceptionEntry> GetExceptions(ExceptionsDataLoadParams dataLoadParams)
{
if (dataLoadParams == null) throw new ArgumentNullException(nameof(dataLoadParams));
var settings = dataLoadParams.Settings;
var query = @"
SELECT E.ID, E.FEATURE_ID, E.EXCEPTION_ID, E.USER_ID, E.VERSION_ID, E.CREATED_AT
FROM FEATURE_EXCEPTION_ENTRIES E
ORDER BY E.CREATED_AT DESC
LIMIT @maxEntries";
if (settings.RemoveExcluded)
{
query = @"
SELECT E.ID, E.FEATURE_ID, E.EXCEPTION_ID, E.USER_ID, E.VERSION_ID, E.CREATED_AT
FROM FEATURE_EXCEPTION_ENTRIES E
WHERE NOT EXISTS
(SELECT 1
FROM FEATURE_EXCEPTIONS_EXCLUDED EX
WHERE E.EXCEPTION_ID = EX.EXCEPTION_ID)
ORDER BY E.CREATED_AT DESC
LIMIT @maxEntries";
}
var sqlParams = new[]
{
new QueryParameter(@"@maxEntries", settings.MaxExceptionEntries)
};
var context = dataLoadParams.Context;
var exceptionEntries = context.Execute(new Query<ExceptionEntryRow>(query, FeatureExceptionEntryRowCreator, sqlParams));
if (exceptionEntries.Count == 0) return Enumerable.Empty<FeatureExceptionEntry>().ToArray();
var features = GetFeatures(context, exceptionEntries);
var exceptions = GetExceptions(context, exceptionEntries);
var users = GetUsers(context, exceptionEntries);
var versions = GetVersions(context, exceptionEntries);
var featureExceptions = new FeatureExceptionEntry[exceptionEntries.Count];
for (var i = 0; i < exceptionEntries.Count; i++)
{
var r = exceptionEntries[i];
featureExceptions[i] = new FeatureExceptionEntry(r.Id, features[r.FeatureId], exceptions[r.ExceptionId], users[r.UserId], versions[r.VersionId], r.CreatedAt);
}
return featureExceptions;
}
