95 lines
3.6 KiB
C#
95 lines
3.6 KiB
C#
using System.Globalization;
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using System.Text;
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using BetterIServ.Backend.Entities;
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using HtmlAgilityPack;
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using Microsoft.AspNetCore.Mvc;
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namespace BetterIServ.Backend.Controllers;
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[ApiController]
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[Route("units")]
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public class UnitsController : ControllerBase {
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[HttpGet("substitution")]
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public async Task<ActionResult<UnitsData>> GetToday([FromQuery] string url) {
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var client = new HttpClient();
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var buffer = await client.GetByteArrayAsync(url);
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var raw = Encoding.GetEncoding("ISO-8859-1").GetString(buffer);
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var html = new HtmlDocument();
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html.LoadHtml(raw);
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var data = new UnitsData {
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Notifications = new List<string>(),
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Substitutions = new List<Substitution>()
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};
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var info = html.DocumentNode.SelectSingleNode("//body/center[1]/table");
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for (int i = 2; i < info.ChildNodes.Count; i++) {
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var notification = info.ChildNodes[i];
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if (notification.ChildNodes.Count == 2) {
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data.Notifications.Add(
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notification.ChildNodes[0].InnerText +
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notification.ChildNodes[1].InnerText
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);
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}
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else if (notification.ChildNodes.Count == 1) {
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data.Notifications.Add(notification.ChildNodes[0].InnerText);
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}
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}
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var substitutions = html.DocumentNode.SelectNodes("//body/center[1]")[0].ChildNodes[6];
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var cols = new UnitsCollumns {
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Classes = 0,
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Times = 1,
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Repre = 2,
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Teacher = 3,
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Lesson = 4,
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Room = 5,
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Type = 6,
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Desc = 7
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};
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for (int i = 1; i < substitutions.ChildNodes.Count; i++) {
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var node = substitutions.ChildNodes[i];
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if (node.ChildNodes.Count < 8) continue;
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if (!node.ChildNodes[cols.Times].InnerText.Contains("-")) continue;
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var substitution = new Substitution {
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Times = node.ChildNodes[cols.Times].InnerText.Split(" - ").Select(int.Parse).ToArray(),
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Type = node.ChildNodes[cols.Type].InnerText.Replace("Vtr. ohne Lehrer", "Stillarbeit"),
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Representative = node.ChildNodes[cols.Repre].InnerText,
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NewLesson = node.ChildNodes[cols.Lesson].InnerText,
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Lesson = node.ChildNodes[cols.Lesson].InnerText,
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Room = node.ChildNodes[cols.Room].InnerText,
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Teacher = node.ChildNodes[cols.Teacher].InnerText,
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Description = node.ChildNodes[cols.Desc].InnerText
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};
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var classes = node.ChildNodes[cols.Classes].InnerText;
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if (!classes.StartsWith("Q")) {
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string grade = new string(classes.ToCharArray().Where(char.IsNumber).ToArray());
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if (string.IsNullOrEmpty(grade)) continue;
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var subClasses = classes.Replace(grade, "").ToCharArray();
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var result = new string[subClasses.Length];
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for (int j = 0; j < subClasses.Length; j++) {
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result[j] = grade + subClasses[j];
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}
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substitution.Classes = result;
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}
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else {
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substitution.Classes = (classes?.Length == 3 ? new[] { "Q1", "Q2" } : new[] { classes })!;
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}
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data.Substitutions.Add(substitution);
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}
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var date = html.DocumentNode.SelectNodes("//body/center[1]")[0].ChildNodes[1];
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data.Date = DateTime.Parse(date.InnerHtml.Split(" ")[0], new CultureInfo("de-DE"));
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return data;
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}
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} |