refractoring backend

2024-12-09 18:43:03 +02:00
parent 80040638a6
commit 2db33bb966
53 changed files with 814 additions and 2389 deletions
@@ -0,0 +1,98 @@
+using System.Net;
+using MySql.Data.MySqlClient;
+using Newtonsoft.Json;
+
+namespace TimelogBackend;
+
+public class TopTen
+{
+    public object? User { get; set; }
+    public object? Date { get; set; }
+    public object? Project { get; set; }
+    public object? FName { get; set; }
+    public object? LName { get; set; }
+    public object? Name { get; set; }
+    public object? TotalTime { get; set; }
+}
+
+public class Gettopten : Route
+{
+    private static List<TopTen> ExtractDataFromDB(MySqlCommand cmd)
+    {
+        using MySqlConnection conn = new(connectionString);
+        cmd.Connection = conn;
+        conn.Open();
+        // Execute the query and read the results
+        MySqlDataReader reader = cmd.ExecuteReader();
+        List<TopTen> entries = [];
+        while (reader.Read())
+        {
+            entries.Add(
+                new TopTen
+                {
+                    User = reader["user"],
+                    Date = reader["date"],
+                    Project = reader["project"],
+                    FName = reader["f_name"],
+                    LName = reader["l_name"],
+                    Name = reader["name"],
+                    TotalTime = reader["total_time"],
+                }
+            );
+        }
+        return entries;
+    }
+
+    private static void ValidateQueryStrings(string from, string to, string filterBy)
+    {
+        if (!string.IsNullOrEmpty(to) && !string.IsNullOrEmpty(from))
+        {
+            ValidateDate(to);
+            ValidateDate(from);
+        }
+        else
+        {
+            throw new Exception("Empty date format");
+        }
+        if (string.IsNullOrEmpty(filterBy))
+        {
+            throw new Exception("Empty filterby");
+        }
+        if (filterBy != "user" && filterBy != "project")
+        {
+            throw new Exception("Incorrect filterby");
+        }
+    }
+
+    public static void HandleRequest(HttpListenerRequest request, HttpListenerResponse response)
+    {
+        try
+        {
+            var queryString = request.QueryString;
+            string? from = queryString["from"] ?? "";
+            string? to = queryString["to"] ?? "";
+            string? filterBy = queryString["filterBy"] ?? "";
+            ValidateQueryStrings(from, to, filterBy);
+            string query =
+                @"SELECT t.user,t.date,t.project,u.f_name,u.l_name,p.name,SUM(t.time) as total_time 
+                  FROM Timelog t 
+                  INNER JOIN Project p ON p.id=t.project 
+                  INNER JOIN User u ON u.id=t.user 
+                  WHERE t.date BETWEEN @from AND @to
+                  GROUP BY "
+                + filterBy
+                + " ORDER BY total_time DESC LIMIT 10;";
+            MySqlCommand cmd = new(query);
+            cmd.Parameters.AddWithValue("@from", from);
+            cmd.Parameters.AddWithValue("@to", to);
+
+            var entries = ExtractDataFromDB(cmd);
+            string jsonResponse = JsonConvert.SerializeObject(entries);
+            SendSuccess(response, jsonResponse);
+        }
+        catch (Exception ex)
+        {
+            SendError(response, ex);
+        }
+    }
+}