QkoSad
99 lines
3.0 KiB
C#
99 lines
3.0 KiB
C#
using System.Net;
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using MySql.Data.MySqlClient;
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using Newtonsoft.Json;
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namespace TimelogBackend;
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public class TopTen
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{
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public object? User { get; set; }
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public object? Date { get; set; }
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public object? Project { get; set; }
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public object? FName { get; set; }
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public object? LName { get; set; }
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public object? Name { get; set; }
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public object? TotalTime { get; set; }
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}
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public class Gettopten : Route
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{
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private static List<TopTen> ExtractDataFromDB(MySqlCommand cmd)
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{
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using MySqlConnection conn = new(connectionString);
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cmd.Connection = conn;
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conn.Open();
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// Execute the query and read the results
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MySqlDataReader reader = cmd.ExecuteReader();
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List<TopTen> entries = [];
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while (reader.Read())
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{
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entries.Add(
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new TopTen
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{
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User = reader["user"],
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Date = reader["date"],
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Project = reader["project"],
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FName = reader["f_name"],
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LName = reader["l_name"],
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Name = reader["name"],
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TotalTime = reader["total_time"],
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}
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);
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}
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return entries;
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}
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private static void ValidateQueryStrings(string from, string to, string filterBy)
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{
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if (!string.IsNullOrEmpty(to) && !string.IsNullOrEmpty(from))
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{
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ValidateDate(to);
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ValidateDate(from);
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}
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else
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{
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throw new Exception("Empty date format");
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}
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if (string.IsNullOrEmpty(filterBy))
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{
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throw new Exception("Empty filterby");
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}
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if (filterBy != "user" && filterBy != "project")
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{
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throw new Exception("Incorrect filterby");
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}
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}
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public static void HandleRequest(HttpListenerRequest request, HttpListenerResponse response)
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{
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try
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{
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var queryString = request.QueryString;
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string? from = queryString["from"] ?? "";
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string? to = queryString["to"] ?? "";
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string? filterBy = queryString["filterBy"] ?? "";
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ValidateQueryStrings(from, to, filterBy);
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string query =
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@"SELECT t.user,t.date,t.project,u.f_name,u.l_name,p.name,SUM(t.time) as total_time
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FROM Timelog t
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INNER JOIN Project p ON p.id=t.project
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INNER JOIN User u ON u.id=t.user
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WHERE t.date BETWEEN @from AND @to
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GROUP BY "
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+ filterBy
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+ " ORDER BY total_time DESC LIMIT 10;";
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MySqlCommand cmd = new(query);
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cmd.Parameters.AddWithValue("@from", from);
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cmd.Parameters.AddWithValue("@to", to);
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var entries = ExtractDataFromDB(cmd);
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string jsonResponse = JsonConvert.SerializeObject(entries);
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SendSuccess(response, jsonResponse);
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}
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catch (Exception ex)
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{
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SendError(response, ex);
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}
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}
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}
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