QkoSad
100 lines
4.0 KiB
C#
100 lines
4.0 KiB
C#
using System.Net;
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using System.Text;
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using MySql.Data.MySqlClient;
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using Newtonsoft.Json;
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namespace Server
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{
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// there should be a better way to deal with data comming from sql
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public class All
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{
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public object? f_name { get; set; }
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public object? l_name { get; set; }
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public object? mail { get; set; }
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public object? name { get; set; }
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public object? time { get; set; }
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public object? date { get; set; }
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public object? user { get; set; }
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}
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public class Getall
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{
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public static void run(MySqlConnection conn, HttpListenerRequest request, HttpListenerResponse response)
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{
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try
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{
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// open connection
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conn.Open();
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// prepare SQL query
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MySqlCommand cmd = new MySqlCommand();
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cmd.Connection = conn;
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// get url params
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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? sortby = queryString["sortby"];
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string? offset = queryString["offset"];
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string? order = queryString["order"];
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order = order == "true" ? "ASC" : "DESC";
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// this shenanigan is needed to remove the "" around group by
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string sqlQ = @"SELECT u.f_name,u.l_name,u.mail,p.name,t.time,t.date,t.user
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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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string offsetQ = " LIMIT 10 OFFSET " + offset + ";";
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// depending on the incoming parameters construct a Query
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if (!string.IsNullOrEmpty(to) && !string.IsNullOrEmpty(from))
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{
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string whereQ = " WHERE t.date BETWEEN @from AND @to ";
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sqlQ = sqlQ + whereQ;
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}
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if (!string.IsNullOrEmpty(sortby))
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{
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string orderQ = " ORDER BY " + sortby + " " + order;
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sqlQ = sqlQ + orderQ;
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}
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// add the final line to the query
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cmd.CommandText = sqlQ + offsetQ;
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// those don't produce error if they don't find their variables
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cmd.Parameters.AddWithValue("@from", from);
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cmd.Parameters.AddWithValue("@to", to);
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// execute query and read results
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MySqlDataReader reader = cmd.ExecuteReader();
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List<All> entries = new List<All>();
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while (reader.Read())
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{
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entries.Add(new All
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{
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f_name = reader["f_name"],
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l_name = reader["l_name"],
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user = reader["user"],
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date = reader["date"],
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name = reader["name"],
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time = reader["time"],
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mail = reader["mail"],
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});
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}
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// serialize JSON
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string jsonResponse = JsonConvert.SerializeObject(entries);
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// prepare response
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byte[] buffer = Encoding.UTF8.GetBytes(jsonResponse);
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response.ContentType = "application/json";
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response.ContentLength64 = buffer.Length;
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response.OutputStream.Write(buffer, 0, buffer.Length);
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}
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catch (Exception ex)
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{
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string errorMessage = $"Error: {ex.Message}";
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byte[] buffer = Encoding.UTF8.GetBytes(errorMessage);
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response.ContentType = "text/plain";
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response.ContentLength64 = buffer.Length;
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response.OutputStream.Write(buffer, 0, buffer.Length);
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}
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conn.Close();
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}
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}
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}
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