Added comments in Models folder

PlanMe/Data/UserData.cs

@@ -16,7 +16,8 @@ public static bool Create(User user)
                 cmd.Parameters.AddWithValue("@password", user.Password);
 
                 bool smth = MainCommands.RunNonQuery(cmd);
-
+                if (smth)
+                    MainModels.user = user;
                 MainModels.user.Id = MainCommands.GetUserId(user.Username, conn);
 
                 return smth;

PlanMe/Models/Event.cs

@@ -1,6 +1,6 @@
 namespace PlanMe.Models
 {
-    public class Event : IComparable<Event>
+    public class Event
     {
         private string name;
         private DateTime date;
@@ -24,6 +24,7 @@ public string Name
             get { return name; }
             set
             {
+                //Checks the length to be less than 150
                 if (value.Length > 150)
                     throw new ArgumentException("The name is too long!");
                 this.name = value;
@@ -56,20 +57,5 @@ public string Info
                     this.info = value;
             }
         }
-
-        public int CompareTo(Event? other)
-        {
-            bool name = this.Name == other.Name;
-            bool date = this.Date == other.Date;
-            bool time = this.Time == other.Time;
-
-            if (name && time && date) return 0;
-            return 1;
-        }
-
-        public override string? ToString()
-        {
-            return $"{Name} on {Date} at {Time}";
-        }
     }
 }

PlanMe/Models/MainCommands.cs

@@ -2,50 +2,66 @@
 {
     public static class MainCommands
     {
+        //Command to get user id by username
         public static int GetUserId(string username, MySqlConnection conn)
         {
+            //MySQL query and creating new command
             string query = "SELECT id FROM users WHERE username = @username";
             MySqlCommand cmd = new MySqlCommand(query, conn);
-
+
+            //Adding parameter to the command
             cmd.Parameters.AddWithValue("@username", username);
-            MySqlDataReader reader = cmd.ExecuteReader();
 
-            int id = 0;
+            //Executing reader to read values from the result of the query
+            MySqlDataReader reader = cmd.ExecuteReader();
 
-            while (reader.Read())
-            {
-                id = (int)reader["id"];
-            }
+            //The reader reads the returned row
+            reader.Read();
+
+            //Gets the value in column "id"
+            int id = (int)reader["id"];
 
+            //Closing the reader to avoid conflicts
             reader.Close();
+
             return id;
         }
 
-
+        //Using this method to run queries that don't return anything
         public static bool RunNonQuery(MySqlCommand cmd)
         {
+            //Running the command and getting the value of changed rows
             int rows = cmd.ExecuteNonQuery();
+
+            //If it is 1, the command was successful and we return true
             if (rows == 1)
                 return true;
             return false;
         }
 
+        //Command to get the id of a list
         public static int GetListId(string name, MySqlConnection conn)
         {
+            //MySQL query that will return id of a list
             string query = "SELECT id FROM list_of_tasks WHERE name = @name AND user_id = @id";
             MySqlCommand cmd = new MySqlCommand(query, conn);
 
+            //We fill the command with parameters
             cmd.Parameters.AddWithValue("@name", name);
             cmd.Parameters.AddWithValue("@id", MainModels.user.Id);
+
+            //Execute the reader 
             MySqlDataReader reader = cmd.ExecuteReader();
 
             int id = 0;
 
+            //Reading the value and assigning it to a variable
             while (reader.Read())
             {
                 id = (int)reader["id"];
             }
 
+            //Closing the reader and returning the result
             reader.Close();
             return id;
         }

PlanMe/Models/MainModels.cs

@@ -1,10 +1,18 @@
 namespace PlanMe.Models
 {
+    //Models to use over the whole app
     public static class MainModels
     {
+        //The user that is currently logged in
         public static User user = null;
+
+        //The main form that is loaded
         public static MainForm form = null;
+
+        //The current task screen that is in use
         public static TaskScreen lists = null;
+
+        //The current list of tasks that is opened on the TaskScreen
         public static ListOfTasks tasks = null;
     }
 }

PlanMe/Models/User.cs

@@ -13,10 +13,9 @@ public User(string username, string password)
         {
             Username = username;
             Password = password;
-            //Events = EventData.GetAll(username);
-            //AllTasks = ListOfTasksData.GetAll(username);
         }
 
+        //Filling the data for the user
         public void FillEventsAndTasks()
         {
             Events = EventData.GetAll();

PlanMe/Models/UserTask.cs

@@ -14,14 +14,6 @@ public UserTask(string text, bool isDone)
             this.IsDone = isDone;
         }
 
-        public void Complete()
-        {
-            //Checks if users's task is done
-            if (isDone)
-                throw new InvalidOperationException("This task is already done!");
-            isDone = true;
-        }
-
         public string Text
         {
             get { return text; }
@@ -38,10 +30,5 @@ public bool IsDone
                 isDone = value;
             }
         }
-
-        public override string ToString()
-        {
-            return $"{text} {isDone}";
-        }
     }
 }