public static Task<List<DashboardException>> GetExceptionsAsync(DashboarLoadParams loadParams)
{
if (loadParams == null) throw new ArgumentNullException(nameof(loadParams));
var feature = loadParams.FeatureContext.Feature;
{
var dbContext = loadParams.FeatureContext.DbContext;
var settings = loadParams.Settings;
var relativeTimePeriod = settings.ExceptionsRelativeTimePeriod;
var samples = settings.ExceptionsChartEntries;
var rangeTimePeriod = relativeTimePeriod.ToRange(DateTime.Now);
var unit = ((long)relativeTimePeriod.TimeOffset.TotalMilliseconds) / samples;
var baseDate = rangeTimePeriod.FromDate;
var map = new int[samples];
var statement = @"SELECT CREATED_AT FROM FEATURE_EXCEPTION_ENTRIES WHERE @FROMDATE <= CREATED_AT AND CREATED_AT <= @TODATE";
var sqlParams = new[]
{
new QueryParameter(@"@FROMDATE", rangeTimePeriod.FromDate),
new QueryParameter(@"@TODATE", rangeTimePeriod.ToDate),
};
var query = new Query(statement, sqlParams);
dbContext.Fill(new Dictionary<long, int>(0), (r, m) =>
{
var delta = ((long)(r.GetDateTime(0) - baseDate).TotalMilliseconds) / unit;
map[delta]++;
}, query);
var result = new List<DashboardException>(samples);
for (var i = 0; i < map.Length; i++)
{
result.Add(new DashboardException(baseDate.AddMilliseconds(unit * i), map[i]));
}
return Task.FromResult(result);
}
}
public static Task<List<DashboardVersion>> GetVersionsAsync(DashboarLoadParams loadParams)
{
if (loadParams == null) throw new ArgumentNullException(nameof(loadParams));
var context = loadParams.FeatureContext;
var feature = context.Feature;
{
var maxVersions = loadParams.Settings.MaxVersions;
var statement = @"SELECT ID, NAME FROM FEATURE_VERSIONS ORDER BY ID DESC LIMIT @MAXVERSIONS";
var sqlParams = new[]
{
new QueryParameter(@"@MAXVERSIONS", maxVersions),
};
var query = new Query<DbFeatureVersionRow>(statement, r => new DbFeatureVersionRow(r.GetInt32(0), r.GetString(1)), sqlParams);
var dbContext = context.DbContext;
var versions = dbContext.Execute(query);
var exceptionsByVersion = CountExceptionsByVersion(dbContext);
var usersByVersion = CountUsersByVersion(dbContext);
var dashboardVersions = new List<DashboardVersion>(versions.Count);
foreach (var version in versions)
{
var versionId = version.Id;
int usersCount;
usersByVersion.TryGetValue(versionId, out usersCount);
int exceptionsCount;
exceptionsByVersion.TryGetValue(versionId, out exceptionsCount);
dashboardVersions.Add(new DashboardVersion(version, usersCount, exceptionsCount));
}
dashboardVersions.Sort((x, y) =>
{
var cmp = string.Compare(x.Version.Name, y.Version.Name, StringComparison.OrdinalIgnoreCase);
return cmp;
});
return Task.FromResult(dashboardVersions);
}
}
private static Dictionary<long, VersionRow> GetVersions(IDbContext context, List<ExceptionEntryRow> entries)
{
var values = new Dictionary<long, VersionRow>(entries.Count);
var batchSize = 16;
var sqlParams = CreateBatchParams(batchSize);
var query = new Query(@"SELECT ID, NAME FROM FEATURE_VERSIONS WHERE ID IN (@p0,@p1,@p2,@p3,@p4,@p5,@p6,@p7,@p8,@p9,@p10,@p11,@p12,@p13,@p14,@p15)", sqlParams);
var index = 0;
foreach (var id in entries.Select(r => r.VersionId).Distinct())
{
if (index < batchSize)
{
sqlParams[index++].Value = id;
continue;
}
context.Fill(values, (r, map) =>
{
var row = new VersionRow(r.GetInt64(0), r.GetString(1));
map.Add(row.Id, row);
}, query);
sqlParams[0].Value = id;
index = 1;
}
if (index > 0)
{
for (var i = index; i < sqlParams.Length; i++)
{
sqlParams[i].Value = -1;
}
context.Fill(values, (r, map) =>
{
var row = new VersionRow(r.GetInt64(0), r.GetString(1));
map.Add(row.Id, row);
}, query);
}
return values;
}
public static Task<List<DashboardUser>> GetUsersAsync(DashboarLoadParams loadParams)
{
if (loadParams == null) throw new ArgumentNullException(nameof(loadParams));
var context = loadParams.FeatureContext;
{
var statement = @"SELECT U.ID, U.NAME UNAME, U.REPLICATED_AT, V.NAME VNAME FROM FEATURE_USERS U INNER JOIN FEATURE_VERSIONS V ON U.VERSION_ID = V.ID ORDER BY REPLICATED_AT DESC LIMIT @MAXUSERS";
var sqlParams = new[]
{
new QueryParameter(@"@MAXUSERS", loadParams.Settings.MaxUsers),
};
var query = new Query<DashboardUser>(statement, r => new DashboardUser(r.GetInt64(0), r.GetString(1), r.GetDateTime(2), r.GetString(3)), sqlParams);
var users = context.DbContext.Execute(query);
return Task.FromResult(users);
}
}
public static long ExecuteInsert(IDbContext context, Query query)
{
if (context == null) throw new ArgumentNullException(nameof(context));
if (query == null) throw new ArgumentNullException(nameof(query));
// Insert the record
context.Execute(query);
return GetNewId(context);
}
