first commit

Core/Parsers/TeamParser.cs

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+using System.Globalization;
+using Core.Entities;
+using CsvHelper;
+using CsvHelper.Configuration;
+using FuzzySharp;
+
+namespace Core.Parsers
+{
+	public class TeamWriter
+	{
+		private readonly ICollection<Team> _teams;
+
+		public string Filename { get; }
+
+		public TeamWriter(ICollection<Team> teams, string filename)
+		{
+			_teams = teams;
+			Filename = filename;
+		}
+
+		public void Write()
+		{
+			var csvConfiguration = new CsvConfiguration(CultureInfo.CurrentCulture)
+			{
+				HasHeaderRecord = true,
+			};
+
+			using var writer = new StreamWriter(Filename);
+			using var csv = new CsvWriter(writer, csvConfiguration);
+
+			// header
+			csv.WriteField("Team Name");
+			csv.WriteField("Event Name");
+			var max = _teams.Max(t => t.Students.Count);
+			for (var i = 1; i < max + 1; i++)
+			{
+				csv.WriteField($"Student {i}");
+			}
+			
+			foreach (var team in _teams)
+			{
+				csv.WriteField(team.Name);
+				csv.WriteField(team.Event.Name);
+				foreach (var teamStudent in team.Students)
+				{
+					csv.WriteField(teamStudent.Name);
+				}
+				csv.NextRecord();
+			}
+		}
+	}
+
+	public class TeamParser : CsvParserBase
+	{
+		public TeamParser(FileSystemInfo csvFile, bool ignoreBlankLines = true) : base(csvFile, ignoreBlankLines)
+		{
+		}
+
+		public Team[] Parse(ICollection<CompetitiveEvent> events, ICollection<Student> students)
+		{
+			var teams = new List<Team>();
+
+			CsvReader.Read();
+			CsvReader.ReadHeader();
+
+			while (CsvReader.Read())
+			{
+
+				var eventName
+					= CsvReader.GetField("Event Name");
+
+				if (string.IsNullOrEmpty(eventName))
+					continue;
+
+				if (eventName.StartsWith("Team Size"))
+					continue;
+
+				eventName = eventName.Replace("ᵃ", string.Empty);
+				eventName = eventName.Replace("ⁱ", string.Empty);
+				eventName = eventName.TrimEnd();
+
+				var teamName = CsvReader.GetField("Team Name");
+				if (string.IsNullOrEmpty(teamName))
+					teamName = eventName;
+
+				eventName = eventName.Trim();
+
+				var @event =
+					(from e in events
+						let rat = Fuzz.Ratio(e.Name, eventName)
+						where rat > 50
+						orderby rat descending
+						select e).FirstOrDefault();
+
+				if (@event == null)
+					continue;
+
+				var regionalTimeSlot = CsvReader.GetField("Regional Time Slot");
+				if (!string.IsNullOrEmpty(regionalTimeSlot))
+					regionalTimeSlot.Trim();
+
+				var teamStudents = new List<Student>();
+				Student? captain = null;
+
+				for (var i = 1; i <= 9; i++)
+				{
+					var studentName = CsvReader.GetField($"Student {i}");
+					if (string.IsNullOrEmpty(studentName)) continue;
+
+					studentName = studentName.Trim();
+
+					if (studentName == "?")
+						continue;
+
+					var studentMatches =
+						from s in students
+						let rat = new[]
+						{
+							Fuzz.Ratio(s.Name, studentName),
+							Fuzz.Ratio(s.FirstNameLastName, studentName),
+							Fuzz.Ratio(s.FirstName, studentName)
+						}.Max()
+						where rat > 90
+						orderby rat descending
+						select s;
+
+					var student = studentMatches.FirstOrDefault();
+					if (student == null)
+					{
+						//continue;
+						throw new ArgumentException($"Student named '{studentName}' not found");
+					}
+
+					teamStudents.Add(student);
+					if (i == 1)
+						captain = student;
+				}
+
+				var teamNumber = string.Empty;
+				if (teamName.EndsWith("Team 2"))
+					teamNumber = "12227-2";
+				else if (@event.Format == EventFormat.Team)
+					teamNumber = "2227";
+
+				if (teamStudents.Count > 0)
+				{
+					if (@event.Format is EventFormat.Team)
+					{
+						teams.Add(new Team(teamName, @event, teamStudents, captain, teamNumber,
+							regionalTimeSlot: regionalTimeSlot));
+					}
+					else if (@event.Format is EventFormat.Individual)
+					{
+						foreach (var student in teamStudents)
+						{
+							teams.Add(new Team($"{teamName} - {student.FirstName}", @event,
+								new List<Student> { student }, student, teamNumber, regionalTimeSlot));
+						}
+					}
+				}
+			}
+
+			return teams.ToArray();
+		}
+	}
+}