Files
spplus/import.cs
T

129 lines
3.7 KiB
C#

using System;
using System.Collections.Generic;
using System.IO;
using System.Text.Json;
using System.Linq;
namespace spplus;
public static class import
{
public static List<Student> ImportStudentsFromFile(string path)
{
var dict = new Dictionary<string, (string Name, List<string> Courses)>();
foreach (var line in File.ReadLines(path).Skip(1)) // Header überspringen
{
if (string.IsNullOrWhiteSpace(line))
continue;
var parts = line.Split(',');
if (parts.Length < 3)
continue;
string nameWithId = parts[0].Trim();
string course = parts[2].Replace("(2)", "").Replace("(3)", "").Replace("(4)", "").Trim();
int open = nameWithId.LastIndexOf('(');
int close = nameWithId.LastIndexOf(')');
if (open < 0 || close < 0 || close <= open)
continue;
string name = nameWithId[..open].Trim();
string id = nameWithId[(open + 1)..close].Trim();
if (!dict.ContainsKey(id))
dict[id] = (name, new List<string>());
dict[id].Courses.Add(course);
}
var result = new List<Student>();
foreach (var (id, data) in dict)
{
var student = new Student(id, data.Name, data.Courses);
result.Add(student);
}
return result;
}
public static List<Student> ImportResultFromFile(string path)
{
var dict = new Dictionary<string, string[]>(StringComparer.OrdinalIgnoreCase);
foreach (var line in File.ReadLines(path).Skip(1)) // Header überspringen
{
if (string.IsNullOrWhiteSpace(line))
continue;
var parts = line.Split(',', StringSplitOptions.None);
if (parts.Length < 5)
continue;
var studentId = parts[0].Trim();
dict[studentId] = new[]
{
parts[1].Trim(),
parts[2].Trim(),
parts[3].Trim(),
parts[4].Trim()
};
}
return dict
.Select(entry => new Student(entry.Key, string.Empty, new List<string>())
{
Result = entry.Value
})
.ToList();
}
private sealed class ResultImportEntry
{
public int Semester { get; set; }
public string SportName { get; set; } = string.Empty;
public List<string> Students { get; set; } = new();
}
public static List<(int Semester, CourseCrafter.CourseInstance Instance)> ImportResultFromJson(string path)
{
try
{
var json = File.ReadAllText(path);
var entries = JsonSerializer.Deserialize<List<ResultImportEntry>>(json);
if (entries == null) return new();
var result = new List<(int Semester, CourseCrafter.CourseInstance Instance)>();
foreach (var e in entries)
{
if (string.IsNullOrWhiteSpace(e.SportName))
continue;
var sport = Settings.Instance.Sports.FirstOrDefault(s =>
string.Equals(s.Name, e.SportName, StringComparison.OrdinalIgnoreCase) ||
s.AlternativeNames.Any(a => string.Equals(a, e.SportName, StringComparison.OrdinalIgnoreCase)));
if (sport == null)
continue;
var ci = new CourseCrafter.CourseInstance
{
Sport = sport,
Students = e.Students.Distinct().ToList()
};
result.Add((e.Semester, ci));
}
return result;
}
catch
{
return new();
}
}
}