adding new dailyStats endpont

src/WorkflowManager/Contracts/Models/ApplicationReviewStatus.cs

@@ -0,0 +1,26 @@
+/*
+ * Copyright 2023 MONAI Consortium
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+namespace Monai.Deploy.WorkflowManager.Common.Contracts.Models
+{
+    public enum ApplicationReviewStatus
+    {
+        Approved,
+        Rejected,
+        Cancelled,
+        AwaitingReview
+    }
+}

src/WorkflowManager/Contracts/Models/ExecutionStatDTO.cs

@@ -36,5 +36,4 @@ public ExecutionStatDTO(ExecutionStats stats)
         public double ExecutionDurationSeconds { get; set; }
         public string Status { get; set; } = "Created";
     }
-
 }

src/WorkflowManager/Contracts/Models/ExecutionStatDayOverview.cs

@@ -0,0 +1,39 @@
+/*
+ * Copyright 2023 MONAI Consortium
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+using System;
+using Newtonsoft.Json;
+
+namespace Monai.Deploy.WorkflowManager.Common.Contracts.Models
+{
+    public class ExecutionStatDayOverview
+    {
+        [JsonProperty("date")]
+        public DateOnly Date { get; set; }
+        [JsonProperty("total_executions")]
+        public int TotalExecutions { get; set; }
+        [JsonProperty("total_failures")]
+        public int TotalFailures { get; set; }
+        [JsonProperty("total_approvals")]
+        public int TotalApprovals { get; set; }
+        [JsonProperty("total_rejections")]
+        public int TotalRejections { get; set; }
+        [JsonProperty("total_cancelled")]
+        public int TotalCancelled { get; set; }
+        [JsonProperty("total_awaiting_review")]
+        public int TotalAwaitingReview { get; set; }
+    }
+}

src/WorkflowManager/Database/Interfaces/ITaskExecutionStatsRepository.cs

@@ -52,6 +52,15 @@ public interface ITaskExecutionStatsRepository
         /// <returns></returns>
         Task UpdateExecutionStatsAsync(TaskCancellationEvent taskCanceledEvent, string workflowId, string correlationId);
 
+        /// <summary>
+        /// Returns all entries between the two given dates
+        /// </summary>
+        /// <param name="startTime">start of the range.</param>
+        /// <param name="endTime">end of the range.</param>
+        /// <param name="workflowId">optional workflow id.</param>
+        /// <param name="taskId">optional task id.</param>
+        /// <returns>a collections of stats</returns>
+        Task<IEnumerable<ExecutionStats>> GetAllStatsAsync(DateTime startTime, DateTime endTime, string workflowId = "", string taskId = "");
         /// <summary>
         /// Returns paged entries between the two given dates
         /// </summary>
@@ -62,7 +71,7 @@ public interface ITaskExecutionStatsRepository
         /// <param name="workflowId">optional workflow id.</param>
         /// <param name="taskId">optional task id.</param>
         /// <returns>a collections of stats</returns>
-        Task<IEnumerable<ExecutionStats>> GetStatsAsync(DateTime startTime, DateTime endTime, int pageSize = 10, int pageNumber = 1, string workflowId = "", string taskId = "");
+        Task<IEnumerable<ExecutionStats>> GetStatsAsync(DateTime startTime, DateTime endTime, int? pageSize = 10, int? pageNumber = 1, string workflowId = "", string taskId = "");
 
         /// <summary>
         /// Return the count of the entries with this status, or all if no status given.

src/WorkflowManager/Database/Repositories/TaskExecutionStatsRepository.cs

@@ -19,7 +19,6 @@
 using System.Linq;
 using System.Linq.Expressions;
 using System.Threading.Tasks;
-using Ardalis.GuardClauses;
 using Microsoft.Extensions.Logging;
 using Microsoft.Extensions.Options;
 using Monai.Deploy.Messaging.Events;
@@ -40,11 +39,7 @@ public TaskExecutionStatsRepository(
             IOptions<ExecutionStatsDatabaseSettings> databaseSettings,
             ILogger<TaskExecutionStatsRepository> logger)
         {
-            if (client == null)
-            {
-                throw new ArgumentNullException(nameof(client));
-            }
-
+            _ = client ?? throw new ArgumentNullException(nameof(client));
             _logger = logger ?? throw new ArgumentNullException(nameof(logger));
             var mongoDatabase = client.GetDatabase(databaseSettings.Value.DatabaseName, null);
             _taskExecutionStatsCollection = mongoDatabase.GetCollection<ExecutionStats>("ExecutionStats", null);
@@ -149,17 +144,24 @@ await _taskExecutionStatsCollection.UpdateOneAsync(o =>
             }
         }
 
-        public async Task<IEnumerable<ExecutionStats>> GetStatsAsync(DateTime startTime, DateTime endTime, int pageSize = 10, int pageNumber = 1, string workflowId = "", string taskId = "")
+        public async Task<IEnumerable<ExecutionStats>> GetAllStatsAsync(DateTime startTime, DateTime endTime, string workflowId = "", string taskId = "")
+        {
+            return await GetStatsAsync(startTime, endTime, null, null, workflowId, taskId);
+        }
+
+        public async Task<IEnumerable<ExecutionStats>> GetStatsAsync(DateTime startTime, DateTime endTime, int? pageSize = 10, int? pageNumber = 1, string workflowId = "", string taskId = "")
         {
             CreateFilter(startTime, endTime, workflowId, taskId, out var builder, out var filter);
 
             filter &= builder.Where(GetExecutedTasksFilter());
 
-            var result = await _taskExecutionStatsCollection.Find(filter)
-                .Limit(pageSize)
-                .Skip((pageNumber - 1) * pageSize)
-                .ToListAsync();
-            return result;
+            var result = _taskExecutionStatsCollection.Find(filter);
+            if (pageSize is not null)
+            {
+                result = result.Limit(pageSize).Skip((pageNumber - 1) * pageSize);
+            }
+
+            return await result.ToListAsync();
         }
 
         private static ExecutionStats ExposeExecutionStats(ExecutionStats taskExecutionStats, TaskExecution taskUpdateEvent)

src/WorkflowManager/WorkflowManager/Controllers/TaskStatsController.cs

@@ -113,6 +113,59 @@ public async Task<IActionResult> GetOverviewAsync([FromQuery] DateTime startTime
             }
         }
 
+        /// <summary>
+        /// Get execution daily stats for a given time period.
+        /// </summary>
+        /// <param name="filter">TimeFiler defining start and end times, plus paging options.</param>
+        /// <param name="workflowId">WorkflowId if you want stats just for a given workflow. (both workflowId and TaskId must be given, if you give one).</param>
+        /// <returns>a paged obect with all the stat details.</returns>
+        [ProducesResponseType(typeof(StatsPagedResponse<List<ExecutionStatDTO>>), StatusCodes.Status200OK)]
+        [ProducesResponseType(typeof(ProblemDetails), StatusCodes.Status500InternalServerError)]
+        [HttpGet("dailystats")]
+        public async Task<IActionResult> GetDailyStatsAsync([FromQuery] TimeFilter filter, string workflowId = "")
+        {
+            SetUpFilter(filter, out var route, out var pageSize, out var validFilter);
+
+            try
+            {
+                var allStats = await _repository.GetAllStatsAsync(filter.StartTime, filter.EndTime, workflowId, string.Empty);
+                var statsDto = allStats
+                    .OrderBy(a => a.StartedUTC)
+                    .GroupBy(s => s.StartedUTC.Date)
+                    .Select(g => new ExecutionStatDayOverview
+                    {
+                        Date = DateOnly.FromDateTime(g.Key.Date),
+                        TotalExecutions = g.Count(),
+                        TotalFailures = g.Count(i => string.Compare(i.Status, "Failed", true) == 0),
+                        TotalApprovals = g.Count(i => string.Compare(i.Status, ApplicationReviewStatus.Approved.ToString(), true) == 0),
+                        TotalRejections = g.Count(i => string.Compare(i.Status, ApplicationReviewStatus.Rejected.ToString(), true) == 0),
+                        TotalCancelled = g.Count(i => string.Compare(i.Status, ApplicationReviewStatus.Cancelled.ToString(), true) == 0),
+                        TotalAwaitingReview = g.Count(i => string.Compare(i.Status, ApplicationReviewStatus.AwaitingReview.ToString(), true) == 0),
+                    });
+
+                var pagedStats = statsDto.Skip((filter.PageNumber - 1) * pageSize).Take(pageSize);
+
+                var res = CreateStatsPagedResponse(pagedStats, validFilter, statsDto.Count(), _uriService, route);
+                var (avgTotalExecution, avgArgoExecution) = await _repository.GetAverageStats(filter.StartTime, filter.EndTime, workflowId, string.Empty);
+
+                res.PeriodStart = filter.StartTime;
+                res.PeriodEnd = filter.EndTime;
+                res.TotalExecutions = allStats.Count();
+                res.TotalSucceeded = statsDto.Sum(s => s.TotalApprovals);
+                res.TotalFailures = statsDto.Sum(s => s.TotalFailures);
+                res.TotalInprogress = statsDto.Sum(s => s.TotalAwaitingReview);
+                res.AverageTotalExecutionSeconds = Math.Round(avgTotalExecution, 2);
+                res.AverageArgoExecutionSeconds = Math.Round(avgArgoExecution, 2);
+
+                return Ok(res);
+            }
+            catch (Exception e)
+            {
+                _logger.GetStatsAsyncError(e);
+                return Problem($"Unexpected error occurred: {e.Message}", $"tasks/stats", InternalServerError);
+            }
+        }
+
         /// <summary>
         /// Get execution stats for a given time period.
         /// </summary>
@@ -133,63 +186,71 @@ public async Task<IActionResult> GetStatsAsync([FromQuery] TimeFilter filter, st
                 return Problem("Failed to validate ids, not a valid guid", "tasks/stats/", BadRequest);
             }
 
-            if (filter.EndTime == default)
-            {
-                filter.EndTime = DateTime.Now;
-            }
+            SetUpFilter(filter, out var route, out var pageSize, out var validFilter);
 
-            if (filter.StartTime == default)
+            try
             {
-                filter.StartTime = new DateTime(2023, 1, 1);
-            }
-
-            var route = Request?.Path.Value ?? string.Empty;
-            var pageSize = filter.PageSize ?? Options.Value.EndpointSettings?.DefaultPageSize ?? 10;
-            var max = Options.Value.EndpointSettings?.MaxPageSize ?? 20;
-            var validFilter = new PaginationFilter(filter.PageNumber, pageSize, max);
+                var allStats = await _repository.GetStatsAsync(filter.StartTime, filter.EndTime, pageSize, filter.PageNumber, workflowId, taskId);
+                var statsDto = allStats
+                    .OrderBy(a => a.StartedUTC)
+                    .Select(s => new ExecutionStatDTO(s));
 
-            try
+                var res = await GatherPagedStats(filter, workflowId, taskId, route, validFilter, statsDto);
+                return Ok(res);
+            }
+            catch (Exception e)
             {
-                workflowId ??= string.Empty;
-                taskId ??= string.Empty;
-                var allStats = _repository.GetStatsAsync(filter.StartTime, filter.EndTime, pageSize, filter.PageNumber, workflowId, taskId);
+                _logger.GetStatsAsyncError(e);
+                return Problem($"Unexpected error occurred: {e.Message}", $"tasks/stats", InternalServerError);
+            }
+        }
 
-                var successes = _repository.GetStatsStatusSucceededCountAsync(filter.StartTime, filter.EndTime, workflowId, taskId);
+        private async Task<StatsPagedResponse<IEnumerable<T>>> GatherPagedStats<T>(TimeFilter filter, string workflowId, string taskId, string route, PaginationFilter validFilter, IEnumerable<T> statsDto)
+        {
+            workflowId ??= string.Empty;
+            taskId ??= string.Empty;
 
-                var fails = _repository.GetStatsStatusFailedCountAsync(filter.StartTime, filter.EndTime, workflowId, taskId);
+            var successes = _repository.GetStatsStatusSucceededCountAsync(filter.StartTime, filter.EndTime, workflowId, taskId);
 
-                var rangeCount = _repository.GetStatsTotalCompleteExecutionsCountAsync(filter.StartTime, filter.EndTime, workflowId, taskId);
+            var fails = _repository.GetStatsStatusFailedCountAsync(filter.StartTime, filter.EndTime, workflowId, taskId);
 
-                var stats = _repository.GetAverageStats(filter.StartTime, filter.EndTime, workflowId, taskId);
+            var rangeCount = _repository.GetStatsTotalCompleteExecutionsCountAsync(filter.StartTime, filter.EndTime, workflowId, taskId);
 
-                var running = _repository.GetStatsStatusCountAsync(filter.StartTime, filter.EndTime, TaskExecutionStatus.Accepted.ToString(), workflowId, taskId);
+            var stats = _repository.GetAverageStats(filter.StartTime, filter.EndTime, workflowId, taskId);
 
-                await Task.WhenAll(allStats, fails, rangeCount, stats, running);
+            var running = _repository.GetStatsStatusCountAsync(filter.StartTime, filter.EndTime, TaskExecutionStatus.Accepted.ToString(), workflowId, taskId);
 
-                ExecutionStatDTO[] statsDto;
+            await Task.WhenAll(fails, rangeCount, stats, running);
 
-                statsDto = allStats.Result
-                    .OrderBy(a => a.StartedUTC)
-                    .Select(s => new ExecutionStatDTO(s))
-                    .ToArray();
+            var res = CreateStatsPagedResponse(statsDto, validFilter, rangeCount.Result, _uriService, route);
 
-                var res = CreateStatsPagedResponse(statsDto, validFilter, rangeCount.Result, _uriService, route);
+            res.PeriodStart = filter.StartTime;
+            res.PeriodEnd = filter.EndTime;
+            res.TotalExecutions = rangeCount.Result;
+            res.TotalSucceeded = successes.Result;
+            res.TotalFailures = fails.Result;
+            res.TotalInprogress = running.Result;
+            res.AverageTotalExecutionSeconds = Math.Round(stats.Result.avgTotalExecution, 2);
+            res.AverageArgoExecutionSeconds = Math.Round(stats.Result.avgArgoExecution, 2);
+            return res;
+        }
 
-                res.PeriodStart = filter.StartTime;
-                res.PeriodEnd = filter.EndTime;
-                res.TotalExecutions = rangeCount.Result;
-                res.TotalSucceeded = successes.Result;
-                res.TotalFailures = fails.Result;
-                res.TotalInprogress = running.Result;
-                res.AverageTotalExecutionSeconds = Math.Round(stats.Result.avgTotalExecution, 2);
-                res.AverageArgoExecutionSeconds = Math.Round(stats.Result.avgArgoExecution, 2);
-                return Ok(res);
+        private void SetUpFilter(TimeFilter filter, out string route, out int pageSize, out PaginationFilter validFilter)
+        {
+            if (filter.EndTime == default)
+            {
+                filter.EndTime = DateTime.Now;
             }
-            catch (Exception e)
+
+            if (filter.StartTime == default)
             {
-                _logger.GetStatsAsyncError(e);
-                return Problem($"Unexpected error occurred: {e.Message}", $"tasks/stats", InternalServerError);
+                filter.StartTime = new DateTime(2023, 1, 1);
             }
+
+            route = Request?.Path.Value ?? string.Empty;
+            pageSize = filter.PageSize ?? Options.Value.EndpointSettings?.DefaultPageSize ?? 10;
+            var max = Options.Value.EndpointSettings?.MaxPageSize ?? 20;
+            validFilter = new PaginationFilter(filter.PageNumber, pageSize, max);
         }
     }
 }