Merge pull request #24 from TransactionProcessing/task/#22_comparisondates

Add Todays Sales API method

Author: StuartFerguson

EstateReportingAPI/Controllers/FactTransactionsController.cs

@@ -0,0 +1,76 @@
+using Microsoft.AspNetCore.Http;
+using Microsoft.AspNetCore.Mvc;
+using System.Diagnostics.CodeAnalysis;
+
+namespace EstateReportingAPI.Controllers
+{
+    using System.Collections.Specialized;
+    using DataTrasferObjects;
+    using EstateManagement.Database.Contexts;
+    using System.Web;
+    using Microsoft.IdentityModel.Protocols;
+    using Shared.EntityFramework;
+
+    [ExcludeFromCodeCoverage]
+    [Route(FactTransactionsController.ControllerRoute)]
+    [ApiController]
+    public class FactTransactionsController : ControllerBase
+    {
+        #region Others
+
+        /// <summary>
+        /// The controller name
+        /// </summary>
+        public const String ControllerName = "transactions";
+
+        /// <summary>
+        /// The controller route
+        /// </summary>
+        private const String ControllerRoute = "api/facts/" + FactTransactionsController.ControllerName;
+
+        #endregion
+
+        private readonly IDbContextFactory<EstateManagementGenericContext> ContextFactory;
+
+        public FactTransactionsController(IDbContextFactory<EstateManagementGenericContext> contextFactory){
+            this.ContextFactory = contextFactory;
+        }
+
+        private const String ConnectionStringIdentifier = "EstateReportingReadModel";
+
+        [HttpGet]
+        [Route("todayssales")]
+        public async Task<IActionResult> TodaysSales([FromHeader] Guid estateId, [FromQuery] DateTime comparisonDate, CancellationToken cancellationToken)
+        {
+            EstateManagementGenericContext? context = await this.ContextFactory.GetContext(estateId, FactTransactionsController.ConnectionStringIdentifier, cancellationToken);
+            
+            // TODO: this code will be refactored once there is a decimal value in either the Transactions table or the TransactionsAdditionalRequestData
+            // https://github.com/TransactionProcessing/EstateManagement/issues/403
+            // First we need to get a value of todays sales
+            List<String> todaysSales = (from t in context.Transactions
+                                        join r in context.TransactionsAdditionalRequestData on t.TransactionReportingId equals r.TransactionReportingId
+                                        where t.IsAuthorised && t.TransactionType == "Sale"
+                                                             && t.TransactionDate == DateTime.Now.Date
+                                                             && t.TransactionTime <= DateTime.Now.TimeOfDay
+                                                             && r.Amount != null
+                                        select r.Amount).ToList();
+
+            List<String> comparisonSales = (from t in context.Transactions
+                                            join r in context.TransactionsAdditionalRequestData on t.TransactionReportingId equals r.TransactionReportingId
+                                            where t.IsAuthorised && t.TransactionType == "Sale"
+                                                                 && t.TransactionDate == comparisonDate
+                                                                 && t.TransactionTime <= DateTime.Now.TimeOfDay
+                                                                 && r.Amount != null
+                                            select r.Amount).ToList();
+
+            var response = new{
+                                  TodaysSalesValue = todaysSales.Sum(Decimal.Parse),
+                                  TodaysSalesCount = todaysSales.Count,
+                                  ComparisonSales = comparisonSales.Sum(Decimal.Parse),
+                                  ComparisonSalesCount = comparisonSales.Count()
+            };
+
+            return this.Ok(response);
+        }
+    }
+}