111 lines
3.7 KiB
C#
111 lines
3.7 KiB
C#
using _2021_backend.Models;
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using Microsoft.AspNetCore.Mvc;
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using Microsoft.AspNetCore.Mvc.RazorPages;
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using Microsoft.EntityFrameworkCore;
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using System;
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using System.IO.Compression;
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using System.Collections.Generic;
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using System.Linq;
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using _2021_backend.Utils;
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using System.Threading.Tasks;
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namespace _2021_backend.Pages.Students
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{
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public class IndexModel : PageModel
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{
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private readonly _2021_backend.Data.BackendContext Context;
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public static int PageSize { get; set; }
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public int PageCount { get; set; }
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public int PageId { get; set; }
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public string errmsg { get; set; }
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[BindProperty(SupportsGet = true)]
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public string SearchString { get; set; }
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[BindProperty(SupportsGet = true)]
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public grade Grade { get; set; }
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[BindProperty(SupportsGet = true)]
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public string SearchQQ { get; set; }
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[BindProperty(SupportsGet = true)]
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public string SearchTel { get; set; }
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[BindProperty(SupportsGet = true)]
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public status StatusSel { get; set; } = status.暂缺;
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public IndexModel(_2021_backend.Data.BackendContext context)
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{
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Context = context;
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}
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public List<Student> Student { get; set; }
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public IActionResult Construct(int pageId, string errInfo)
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{
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PageSize = 30;
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if (string.IsNullOrEmpty(errInfo))
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{
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errmsg = "";
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}
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else
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{
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errmsg = errInfo;
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}
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if (pageId == null) pageId = 0;
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IQueryable<Student> q;
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if (!string.IsNullOrEmpty(SearchString))
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{
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q = Context.Students.Where(s => (s.Name.Contains(SearchString) || s.Stuid.Contains(SearchString)));
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}
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else
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{
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q = Context.Students;
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}
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if (Grade != grade.暂缺) q = q.Where(it => it.Grade == Grade);
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if (StatusSel != status.暂缺) q = q.Where(it => it.Status == StatusSel);
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if (!String.IsNullOrEmpty(SearchTel)) q = q.Where(it => it.Tel.Contains(SearchTel));
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if (!String.IsNullOrEmpty(SearchQQ)) q = q.Where(it => it.Email.Contains(SearchQQ));
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Student = q.ToList();
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Student.Sort((Student a, Student b) =>
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{
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return -a.RegisterTime.CompareTo(b.RegisterTime);
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});
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int cnt = Student.Count;
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PageCount = (int)Math.Ceiling((double)cnt / (double)PageSize);
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if (pageId >= PageCount) pageId = PageCount - 1;
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if (pageId < 0) pageId = 0;
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PageId = (int)pageId;
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int count = (PageId + 1) * PageSize > cnt ? (cnt - PageId * PageSize) : PageSize;
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Student = Student.GetRange(PageId * PageSize, count);
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return Page();
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}
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public async Task<IActionResult> OnGetAsync(int? pageId, string errInfo)
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{
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if (pageId == null) pageId = 0;
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return Construct((int)pageId, errInfo);
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}
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public async Task<IActionResult> OnPostAsync(int? pageId, string errInfo)
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{
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if (pageId == null) pageId = 0;
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return Construct((int)pageId, errInfo);
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}
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public async Task<IActionResult> OnPostFinalizeAsync(int? pageId, string errInfo)
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{
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if (pageId == null) pageId = 0;
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foreach(var s in Context.Students)
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{
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if (s.RegisterTime.CompareTo(new DateTime(2021, 11, 11)) > 0) s.Status = status.不通过;
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else if (s.Status == status.不通过) s.Status = status.刚报名;
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}
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Context.SaveChanges();
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return Construct((int)pageId, errInfo);
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}
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}
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}
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