94 lines
3.4 KiB
C#
94 lines
3.4 KiB
C#
using System.Globalization;
|
|
using Microsoft.AspNetCore.Mvc;
|
|
using UWLecturePlan.Models;
|
|
using UWLib;
|
|
using Microsoft.EntityFrameworkCore;
|
|
|
|
namespace UWLecturePlan.Controllers
|
|
{
|
|
public class LectureController : Controller
|
|
{
|
|
|
|
|
|
public IActionResult Index(LecturesViewModel model)
|
|
{
|
|
LectureContext db = new LectureContext(@"D:\Projects\C#\UWScraper\UWScraper\bin\Debug\net8.0\lecture.db");
|
|
|
|
if (model.CurrentSemester == null)
|
|
{
|
|
model.CurrentSemester = GetSemester(DateTime.Now);
|
|
}
|
|
|
|
var from = DateTime.Now;
|
|
|
|
|
|
model.LectureEvents = db.LectureEvents.Include(x=>x.Lecture)
|
|
.Where(x => x.From >= from)
|
|
.Where(x => x.Lecture.Semester == model.CurrentSemester)
|
|
.Where(x => x.Lecture.Branch == model.BranchFilter || model.BranchFilter == null)
|
|
.ToList();
|
|
|
|
if (model.LocationFilter != null)
|
|
{
|
|
model.LectureEvents = model.LectureEvents
|
|
.Where(x => x.Location.Contains(model.LocationFilter)).ToList();
|
|
}
|
|
|
|
model.Branches = db.LectureEvents.Select(x => x.Lecture.Branch).Distinct().OrderBy(x=>x).ToList();
|
|
|
|
|
|
return View(model);
|
|
}
|
|
|
|
// This presumes that weeks start with Monday.
|
|
// Week 1 is the 1st week of the year with a Thursday in it.
|
|
public static int GetIso8601WeekOfYear(DateTime time)
|
|
{
|
|
// Seriously cheat. If its Monday, Tuesday or Wednesday, then it'll
|
|
// be the same week# as whatever Thursday, Friday or Saturday are,
|
|
// and we always get those right
|
|
DayOfWeek day = CultureInfo.InvariantCulture.Calendar.GetDayOfWeek(time);
|
|
if (day >= DayOfWeek.Monday && day <= DayOfWeek.Wednesday)
|
|
{
|
|
time = time.AddDays(3);
|
|
}
|
|
|
|
// Return the week of our adjusted day
|
|
return CultureInfo.InvariantCulture.Calendar.GetWeekOfYear(time, CalendarWeekRule.FirstFourDayWeek, DayOfWeek.Monday);
|
|
}
|
|
|
|
public static DateTime FirstDateOfWeekISO8601(int year, int weekOfYear)
|
|
{
|
|
DateTime jan1 = new DateTime(year, 1, 1);
|
|
int daysOffset = DayOfWeek.Thursday - jan1.DayOfWeek;
|
|
|
|
// Use first Thursday in January to get first week of the year as
|
|
// it will never be in Week 52/53
|
|
DateTime firstThursday = jan1.AddDays(daysOffset);
|
|
var cal = CultureInfo.CurrentCulture.Calendar;
|
|
int firstWeek = cal.GetWeekOfYear(firstThursday, CalendarWeekRule.FirstFourDayWeek, DayOfWeek.Monday);
|
|
|
|
var weekNum = weekOfYear;
|
|
// As we're adding days to a date in Week 1,
|
|
// we need to subtract 1 in order to get the right date for week #1
|
|
if (firstWeek == 1)
|
|
{
|
|
weekNum -= 1;
|
|
}
|
|
|
|
// Using the first Thursday as starting week ensures that we are starting in the right year
|
|
// then we add number of weeks multiplied with days
|
|
var result = firstThursday.AddDays(weekNum * 7);
|
|
|
|
// Subtract 3 days from Thursday to get Monday, which is the first weekday in ISO8601
|
|
return result.AddDays(-3);
|
|
}
|
|
|
|
|
|
public static string GetSemester(DateTime time)
|
|
{
|
|
return time.Year + (time.Month <= 6 ? "S" : "W");
|
|
}
|
|
}
|
|
}
|