Merge pull request #4 from 2nd-Semester-Project/SE2SP-2-Source-Data-M…

…anager

Se2 sp 2 source data manager

HeatOptimiser/Classes/SourceDataManager.cs

@@ -1,10 +1,64 @@
+using OfficeOpenXml; // dotnet add package EPPlus
+using System.Globalization;
+
 namespace HeatOptimiser
 {
+    public class SourceDataPoint
+    {
+        public DateTime? TimeFrom;
+        public DateTime? TimeTo;
+        public double? HeatDemand;
+        public double? ElectricityPrice;
+    }
+    public class SourceData {
+        public List<SourceDataPoint> SummerData;
+        public List<SourceDataPoint> WinterData;
+        public SourceData(){
+            SourceDataManager sourceManager = new SourceDataManager();
+            SummerData = sourceManager.LoadXLSXFile("data/sourcedata.xlsx", 4, 2);
+            WinterData = sourceManager.LoadXLSXFile("data/sourcedata.xlsx", 4, 7);
+        }
+    }
     public class SourceDataManager : ISourceDataManager
     {
-        public SourceDataManager()
+        // Example usage: List<SourceDataPoint> SourceList = SourceManager.LoadXLSXFile("data/sourcedata.xlsx", 4, 2); Columns and Rows start with 1!!!!
+        public List<SourceDataPoint> LoadXLSXFile(string file, int rowStart, int columnStart, int workSheetNumber = 0)
         {
-            throw new System.NotImplementedException();
+            var sourceList = new List<SourceDataPoint>();
+
+            ExcelPackage.LicenseContext = LicenseContext.NonCommercial; // EPPlus license
+
+            using (var package = new ExcelPackage(new FileInfo(file)))
+            {
+                var worksheet = package.Workbook.Worksheets[workSheetNumber];
+
+                if (worksheet.Dimension == null)
+                {
+                    Console.WriteLine("The worksheet is empty.");
+                    return sourceList;
+                }
+                for (int row = rowStart; row <= worksheet.Dimension.End.Row; row++)
+                {
+                    try {
+                        DateTime temp;
+                        string[] formats = { "dd/MM/yyyy HH.mm.ss", "dd/MM/yyyy HH:mm:ss", "HH.mm.ss", "HH:mm:ss" };
+                        SourceDataPoint sourceData = new SourceDataPoint
+                        {
+                            TimeFrom = DateTime.TryParseExact(worksheet.Cells[row, columnStart].Value?.ToString(), formats, CultureInfo.InvariantCulture, DateTimeStyles.None, out temp) ? temp : (DateTime?)null,
+                            TimeTo = DateTime.TryParseExact(worksheet.Cells[row, columnStart + 1].Value?.ToString(), formats, CultureInfo.InvariantCulture, DateTimeStyles.None, out temp) ? temp : (DateTime?)null,
+                            HeatDemand = worksheet.Cells[row, columnStart + 2]?.Value != null ? double.Parse(worksheet.Cells[row, columnStart + 2].Value.ToString()!) : null,
+                            ElectricityPrice = worksheet.Cells[row, columnStart + 3]?.Value != null ? double.Parse(worksheet.Cells[row, columnStart + 3].Value.ToString()!) : null
+                        };
+                        sourceList.Add(sourceData);
+                    }
+                    catch (Exception e)
+                    {
+                        Console.WriteLine($"Error: {e}");
+                    }
+                }
+            }
+
+            return sourceList; 
         }
     }
 }

HeatOptimiser/HeatOptimiser.csproj

@@ -7,4 +7,8 @@
     <Nullable>enable</Nullable>
   </PropertyGroup>
 
+  <ItemGroup>
+    <PackageReference Include="EPPlus" Version="7.0.10" />
+  </ItemGroup>
+
 </Project>

HeatOptimiser/Interfaces/ISourceDataManager.cs

@@ -2,6 +2,6 @@ namespace HeatOptimiser
 {
     public interface ISourceDataManager
     {
-        //Lizard do you see this
+        public List<SourceDataPoint> LoadXLSXFile(string filePath, int rowStartd, int columnStart, int workSheetNumber);
     }
 }

HeatOptimiser/Program.cs

@@ -4,6 +4,6 @@ class Program {
         public static void Main()
         {
             new TextBasedUI().example();
-        }
+        }   
     }
 }

HeatOptimiser/UserInterfaces/Textbased.cs

@@ -4,6 +4,12 @@ public class TextBasedUI: IUserInterface {
         public void example()
         {
             Console.WriteLine("Hello, GitHub!");
+
+            SourceData sourceData = new SourceData();
+            Console.WriteLine();
+            Console.WriteLine("Here comes the stats from SourceDataManager data:");
+            Console.WriteLine($"Summer data contains {sourceData.SummerData.Count} entries.");
+            Console.WriteLine($"Winter data contains {sourceData.WinterData.Count} entries.");
         }
     }
 }