impl dashboard storage

src/DotNetCore.CAP.SqlServer/SqlServerMonitoringApi.cs

+using System;
+using System.Collections.Generic;
+using System.Data;
+using System.Linq;
+using System.Text;
+using Dapper;
+using DotNetCore.CAP.Dashboard;
+using DotNetCore.CAP.Dashboard.Monitoring;
+
+namespace DotNetCore.CAP.SqlServer
+{
+    internal class SqlServerMonitoringApi : IMonitoringApi
+    {
+        private readonly SqlServerStorage _storage;
+        private readonly SqlServerOptions _options;
+
+        public SqlServerMonitoringApi(IStorage storage, SqlServerOptions options)
+        {
+            if (storage == null) throw new ArgumentNullException(nameof(storage));
+            if (options == null) throw new ArgumentNullException(nameof(options));
+
+            _options = options;
+            _storage = storage as SqlServerStorage;
+        }
+
+        public JobList<DeletedJobDto> DeletedJobs(int from, int count)
+        {
+            return new JobList<DeletedJobDto>(new Dictionary<string, DeletedJobDto>());
+        }
+
+        public long DeletedListCount()
+        {
+            return 11;
+        }
+
+        public long EnqueuedCount(string queue)
+        {
+            return 11;
+        }
+
+        public JobList<EnqueuedJobDto> EnqueuedJobs(string queue, int from, int perPage)
+        {
+            return new JobList<EnqueuedJobDto>(new Dictionary<string, EnqueuedJobDto>());
+        }
+
+        public IDictionary<DateTime, long> FailedByDatesCount()
+        {
+            return new Dictionary<DateTime, long>();
+        }
+
+        public long FailedCount()
+        {
+            return 11;
+        }
+
+        public JobList<FailedJobDto> FailedJobs(int from, int count)
+        {
+            return new JobList<FailedJobDto>(new Dictionary<string, FailedJobDto>());
+        }
+
+        public long FetchedCount(string queue)
+        {
+            return 11;
+        }
+
+        public JobList<FetchedJobDto> FetchedJobs(string queue, int from, int perPage)
+        {
+            return new JobList<FetchedJobDto>(new Dictionary<string, FetchedJobDto>());
+        }
+
+        public StatisticsDto GetStatistics()
+        {
+            string sql = String.Format(@"
+set transaction isolation level read committed;
+select count(Id) from [{0}].Published with (nolock) where StatusName = N'Enqueued';
+select count(Id) from [{0}].Published with (nolock) where StatusName = N'Failed';
+select count(Id) from [{0}].Published with (nolock) where StatusName = N'Processing';
+select count(Id) from [{0}].Published with (nolock) where StatusName = N'Scheduled';
+select 11;
+select count(Id) from [{0}].Published with (nolock) where StatusName = N'Successed';
+select count(Id) from [{0}].Published with (nolock) where StatusName = N'Deleted';
+select 14;
+                ", _options.Schema);
+
+            var statistics = UseConnection(connection =>
+            {
+                var stats = new StatisticsDto();
+                using (var multi = connection.QueryMultiple(sql))
+                {
+                    stats.Enqueued = multi.ReadSingle<int>();
+                    stats.Failed = multi.ReadSingle<int>();
+                    stats.Processing = multi.ReadSingle<int>();
+                    stats.Scheduled = multi.ReadSingle<int>();
+
+                    stats.Servers = multi.ReadSingle<int>();
+
+                    stats.Succeeded = multi.ReadSingleOrDefault<long?>() ?? 0;
+                    stats.Deleted = multi.ReadSingleOrDefault<long?>() ?? 0;
+
+                    stats.Recurring = multi.ReadSingle<int>();
+                }
+                return stats;
+            });
+
+            //statistics.Queues = _storage.QueueProviders
+            //    .SelectMany(x => x.GetJobQueueMonitoringApi().GetQueues())
+            //    .Count();
+            statistics.Queues = 3;
+            return statistics;
+        }
+
+        public IDictionary<DateTime, long> HourlyFailedJobs()
+        {
+            return UseConnection(connection =>
+                GetHourlyTimelineStats(connection, "failed"));
+        }
+
+        public IDictionary<DateTime, long> HourlySucceededJobs()
+        {
+            return UseConnection(connection =>
+                 GetHourlyTimelineStats(connection, "succeeded"));
+        }
+
+        public JobDetailsDto JobDetails(string jobId)
+        {
+            return new JobDetailsDto();
+        }
+
+        public long ProcessingCount()
+        {
+            return 11;
+        }
+
+        public JobList<ProcessingJobDto> ProcessingJobs(int from, int count)
+        {
+            return new JobList<ProcessingJobDto>(new Dictionary<string, ProcessingJobDto>());
+        }
+
+        public IList<QueueWithTopEnqueuedJobsDto> Queues()
+        {
+            return new List<QueueWithTopEnqueuedJobsDto>();
+        }
+
+        public long ScheduledCount()
+        {
+            return 0;
+        }
+
+        public JobList<ScheduledJobDto> ScheduledJobs(int from, int count)
+        {
+            return new JobList<ScheduledJobDto>(new Dictionary<string, ScheduledJobDto>());
+        }
+
+        public IList<ServerDto> Servers()
+        {
+            return new List<ServerDto>();
+        }
+
+        public IDictionary<DateTime, long> SucceededByDatesCount()
+        {
+            return new Dictionary<DateTime, long>();
+        }
+
+        public JobList<SucceededJobDto> SucceededJobs(int from, int count)
+        {
+            return new JobList<SucceededJobDto>(new Dictionary<string, SucceededJobDto>());
+        }
+
+        public long SucceededListCount()
+        {
+            return 11;
+        }
+
+        private T UseConnection<T>(Func<IDbConnection, T> action)
+        {
+            return _storage.UseConnection(action);
+        }
+
+        private Dictionary<DateTime, long> GetHourlyTimelineStats(IDbConnection connection, string type)
+        {
+            var endDate = DateTime.UtcNow;
+            var dates = new List<DateTime>();
+            for (var i = 0; i < 24; i++)
+            {
+                dates.Add(endDate);
+                endDate = endDate.AddHours(-1);
+            }
+
+            var keyMaps = dates.ToDictionary(x => $"stats:{type}:{x.ToString("yyyy-MM-dd-HH")}", x => x);
+
+            return GetTimelineStats(connection, keyMaps);
+        }
+
+        private Dictionary<DateTime, long> GetTimelineStats(IDbConnection connection, string type)
+        {
+            var endDate = DateTime.UtcNow.Date;
+            var dates = new List<DateTime>();
+            for (var i = 0; i < 7; i++)
+            {
+                dates.Add(endDate);
+                endDate = endDate.AddDays(-1);
+            }
+
+            var keyMaps = dates.ToDictionary(x => $"stats:{type}:{x.ToString("yyyy-MM-dd")}", x => x);
+
+            return GetTimelineStats(connection, keyMaps);
+        }
+
+        private Dictionary<DateTime, long> GetTimelineStats(
+           IDbConnection connection,
+           IDictionary<string, DateTime> keyMaps)
+        {
+            string sqlQuery =
+$@"select [Key], [Value] as [Count] from [{_options.Schema}].AggregatedCounter with (nolock)
+where [Key] in @keys";
+
+            var valuesMap = connection.Query(
+                sqlQuery,
+                new { keys = keyMaps.Keys })
+                .ToDictionary(x => (string)x.Key, x => (long)x.Count);
+
+            foreach (var key in keyMaps.Keys)
+            {
+                if (!valuesMap.ContainsKey(key)) valuesMap.Add(key, 0);
+            }
+
+            var result = new Dictionary<DateTime, long>();
+            for (var i = 0; i < keyMaps.Count; i++)
+            {
+                var value = valuesMap[keyMaps.ElementAt(i).Key];
+                result.Add(keyMaps.ElementAt(i).Value, value);
+            }
+
+            return result;
+        }
+    }
+}

src/DotNetCore.CAP.SqlServer/SqlServerStorage.cs

+using System;
+using System.Data;
 using System.Data.SqlClient;
 using System.Threading;
 using System.Threading.Tasks;
@@ -11,6 +13,7 @@ namespace DotNetCore.CAP.SqlServer
     {
         private readonly SqlServerOptions _options;
         private readonly ILogger _logger;
+        private readonly IDbConnection _existingConnection;
 
         public SqlServerStorage(ILogger<SqlServerStorage> logger, SqlServerOptions options)
         {
@@ -20,12 +23,12 @@ namespace DotNetCore.CAP.SqlServer
 
         public IStorageConnection GetConnection()
         {
-            throw new System.NotImplementedException();
+            return new SqlServerStorageConnection(_options);
         }
 
         public IMonitoringApi GetMonitoringApi()
         {
-            throw new System.NotImplementedException();
+            return new SqlServerMonitoringApi(this, _options);
         }
 
         public async Task InitializeAsync(CancellationToken cancellationToken)
@@ -94,5 +97,46 @@ CREATE TABLE [{schema}].[Published](
 END;";
             return batchSql;
         }
+
+        internal T UseConnection<T>(Func<IDbConnection, T> func)
+        {
+            IDbConnection connection = null;
+
+            try
+            {
+                connection = CreateAndOpenConnection();
+                return func(connection);
+            }
+            finally
+            {
+                ReleaseConnection(connection);
+            }
+        }
+
+        internal IDbConnection CreateAndOpenConnection()
+        {
+            var connection = _existingConnection ?? new SqlConnection(_options.ConnectionString);
+
+            if (connection.State == ConnectionState.Closed)
+            {
+                connection.Open();
+            }
+
+            return connection;
+        }
+
+        internal bool IsExistingConnection(IDbConnection connection)
+        {
+            return connection != null && ReferenceEquals(connection, _existingConnection);
+        }
+
+        internal void ReleaseConnection(IDbConnection connection)
+        {
+            if (connection != null && !IsExistingConnection(connection))
+            {
+                connection.Dispose();
+            }
+        }
+
     }
 }
\ No newline at end of file

src/DotNetCore.CAP.SqlServer/SqlServerStorageConnection.cs

@@ -140,24 +140,26 @@ VALUES(@Name,@Group,@Content,@Retries,@Added,@ExpiresAt,@StatusName);";
             return new SqlServerFetchedMessage(fetchedMessage.MessageId, fetchedMessage.MessageType, connection, transaction);
         }
 
+        // ------------------------------------------
+
         public long GetSetCount(string key)
         {
-            throw new NotImplementedException();
+            return 11;
         }
 
         public List<string> GetRangeFromSet(string key, int startingFrom, int endingAt)
         {
-            throw new NotImplementedException();
+            return new List<string> { "11", "22", "33" };
         }
 
         public MessageData GetJobData(string jobId)
         {
-            throw new NotImplementedException();
+            return new MessageData();
         }
 
         public StateData GetStateData(string jobId)
         {
-            throw new NotImplementedException();
+            return new StateData();
         }
     }
 }
\ No newline at end of file