Add Blazor WebApp and rework data handling to utilize Entity Framework

Core/Parsers/AssignmentRequirementParser.cs

@@ -0,0 +1,54 @@
+using Core.Entities;
+
+namespace Core.Parsers;
+
+public class AssignmentRequirementParser : CsvParserBase
+{
+	public AssignmentRequirementParser(FileSystemInfo csvFile, bool ignoreBlankLines = true) : base(csvFile, ignoreBlankLines)
+	{
+	}
+
+	public AssignmentRequirement[] Parse(ICollection<EventDefinition> events, ICollection<Student> students)
+	{
+		var assumptions = new List<AssignmentRequirement>();
+
+		CsvReader.Read();
+		CsvReader.ReadHeader();
+		var studentColumns =
+			CsvReader.HeaderRecord.Select(h => h.Trim()).Where(h => !string.IsNullOrEmpty(h)).ToArray();
+
+		var studentArray = 
+            studentColumns
+                .Select(c => students.FirstOrDefault(s => s.FirstName == c)).ToArray();
+
+		while (CsvReader.Read())
+		{
+			var eventShortName= CsvReader.GetField(0);
+
+			var evt = events.FirstOrDefault(e => e.ShortName == eventShortName);
+			if (evt == null)
+				throw new Exception($"Could not find eventDefinition named {eventShortName}");
+			for (int i = 0; i <= studentArray.Length; i++)
+			{
+				var field = CsvReader.GetField(i + 1);
+				switch (field)
+				{
+					case "x":
+					case "X":
+						assumptions.Add(new AssignmentRequirement(evt, studentArray[i], Requirement.Exclude));
+						break;
+					case "i":
+					case "I":
+						assumptions.Add(new AssignmentRequirement(evt, studentArray[i], Requirement.Include));
+						break;
+					default:
+						break;
+				}
+				
+			}
+		}
+
+
+		return assumptions.ToArray();
+	}
+}