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Loading of participant and user functional

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This commit is contained in:
Daniel Schick 2023-04-16 12:59:13 +02:00
parent bbb986260c
commit a01b88e0c9
10 changed files with 268 additions and 80 deletions
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53
src/RoleEditor/MainWindow.xaml.cs
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@ -33,7 +33,7 @@ namespace RoleEditor
private readonly ObservableCollection<User> _users = new ObservableCollection<User>();
private readonly ObservableCollection<Role> _assignedRoles = new ObservableCollection<Role>();
private readonly ObservableCollection<Securable> _assignedSecurables = new ObservableCollection<Securable>();
private DBManager? _dbManager;
private DBManager _dbManager;
#endregion
@ -42,19 +42,29 @@ namespace RoleEditor
public MainWindow()
{
InitializeComponent();
_dbManager = new();
}
private void Window_Loaded(object sender, RoutedEventArgs e)
private async void Window_Loaded(object sender, RoutedEventArgs e)
{
// try database connection
try
{
_dbManager = new();
{
// load all participants
foreach(Participant p in await Participant.LoadAll(_dbManager))
_participants.Add(p);
this.listBoxParticipant.ItemsSource = _participants;
// load all roles
foreach(Role r in await Role.LoadAll(_dbManager))
_roles.Add(r);
this.listBoxRoles.ItemsSource = _roles;
// set other item sources
this.listBoxUser.ItemsSource = _users;
this.listBoxSecurables.ItemsSource = _securables;
this.listBoxRoleSecurables.ItemsSource = _assignedSecurables;
this.listBoxUserRoles.ItemsSource = _assignedRoles;
}
catch (Exception ex)
{
@ -111,9 +121,22 @@ namespace RoleEditor
#region listbox selection callbacks
private void listBoxParticipant_SelectionChanged(object sender, SelectionChangedEventArgs e)
private async void listBoxParticipant_SelectionChanged(object sender, SelectionChangedEventArgs e)
{
Participant? p = this.listBoxParticipant.SelectedItem as Participant;
this.textBoxParticipantName.Text = (p != null) ? p.Name : string.Empty;
this.textBoxParticipantStreet.Text = (p != null) ? p.Street : string.Empty;
this.textBoxParticipantPostalCode.Text = (p != null) ? p.PostalCode : string.Empty;
this.textBoxParticipantCity.Text = (p != null) ? p.City : string.Empty;
// this.checkboxParticipantActive.Checked = (p != null) ? p.
this.textBoxParticipantCreated.Text = (p != null) ? p.Created.ToString() : string.Empty;
this.textBoxParticipantModified.Text = (p != null) ? p.Modified.ToString() : string.Empty;
// -> load users for this participant selection
this._users.Clear();
foreach (User u in await User.LoadForParticipant(p, _dbManager))
_users.Add(u);
}
private void listBoxRoles_SelectionChanged(object sender, SelectionChangedEventArgs e)
@ -123,6 +146,13 @@ namespace RoleEditor
private void listBoxUser_SelectionChanged(object sender, SelectionChangedEventArgs e)
{
User? u = this.listBoxUser.SelectedItem as User;
this.textBoxUserFirstName.Text = (u != null) ? u.Firstname : string.Empty;
this.textBoxUserLastName.Text = (u != null) ? u.Lastname : string.Empty;
this.textBoxUserUserName.Text = (u != null) ? u.Username : string.Empty;
this.textBoxUserAPIKey.Text = (u != null) ? u.APIKey : string.Empty;
this.textBoxUserCreated.Text = (u != null) ? u.Created.ToString() : string.Empty;
this.textBoxUserModified.Text = (u != null) ? u.Modified.ToString() : string.Empty;
}
@ -147,7 +177,14 @@ namespace RoleEditor
private void menuItemNewUser_Click(object sender, RoutedEventArgs e)
{
Participant? p = this.listBoxParticipant.SelectedItem as Participant;
if(p != null)
{
User u = new();
u.Participant_Id = p.Id;
_users.Add(u);
this.listBoxUser.SelectedItem = u;
}
}
private void menuItemDeleteUser_Click(object sender, RoutedEventArgs e)

33
src/brecal.model/DbEntity.cs
View File

@ -1,5 +1,6 @@
using System;
using System.Collections.Generic;
using System.Data;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
@ -23,14 +24,42 @@ namespace brecal.model
/// </summary>
public DateTime? Modified { get; set; }
/// <summary>
/// Set query and cmd parameters for an update query
/// </summary>
/// <param name="cmd">CMD created by DB manager</param>
public abstract void SetUpdate(IDbCommand cmd);
/// <summary>
/// set query and cmd parameters for a create query
/// </summary>
/// <param name="cmd">CMD created by DB manager</param>
public abstract void SetCreate(IDbCommand cmd);
/// <summary>
/// set query and cmd parameters for a delete query
/// </summary>
/// <param name="cmd">CMD created by DB manager</param>
public abstract void SetDelete(IDbCommand cmd);
/// <summary>
/// Each database entity must be able to save itself to the database
/// </summary>
public abstract void Save(IDBManager manager);
public async void Save(IDBManager manager)
{
if (this.Created.HasValue)
await manager.ExecuteNonQuery(this.SetUpdate);
else
await manager.ExecuteNonQuery(this.SetCreate);
}
/// <summary>
/// Each entity must be able to delete itself
/// </summary>
public abstract void Delete(IDBManager manager);
public async void Delete(IDBManager manager)
{
await manager.ExecuteNonQuery(this.SetDelete);
}
}
}

4
src/brecal.model/IDBManager.cs
View File

@ -12,7 +12,9 @@ namespace brecal.model
delegate List<DbEntity> LoadFunc<T>(T entity);
Task<List<DbEntity>> Load(Action<IDbCommand> prepareAction, LoadFunc<IDataReader> loadAction);
delegate void QueryFunc(IDbCommand cmd, params object[] args);
Task<List<DbEntity>> Load(QueryFunc prepareAction, LoadFunc<IDataReader> loadAction, params object[] args);
Task<object?> ExecuteScalar(Action<IDbCommand> prepareAction);

80
src/brecal.model/Participant.cs
View File

@ -21,61 +21,60 @@ namespace brecal.model
public uint Flags { get; set; }
#endregion
#region abstract method implementation
// TODO: Diese Funktionen in die Basisklasse verschieben und die SetUpdate SetCreate SetDelete
// abstract machen
public async override void Save(IDBManager manager)
{
if (this.Created.HasValue)
await manager.ExecuteNonQuery(this.SetUpdate);
else
await manager.ExecuteNonQuery(this.SetCreate);
}
public async override void Delete(IDBManager manager)
{
await manager.ExecuteNonQuery(this.SetDelete);
}
#endregion
#endregion
#region public static methods
public static async Task<List<Participant>> LoadAll(IDBManager manager)
{
List<DbEntity> loadResultList = await manager.Load(SetLoadQuery, LoadElems);
List<Participant> result = new List<Participant>();
List<Participant> result = new();
foreach (Participant p in loadResultList.Cast<Participant>())
result.Add(p);
return result;
}
public static List<DbEntity> LoadElems(IDataReader reader)
{
List<DbEntity> result = new List<DbEntity>();
while (reader.Read())
{
Participant p = new();
p.Id = (uint)reader.GetInt32(0);
if (!reader.IsDBNull(1)) p.Name = reader.GetString(1);
if (!reader.IsDBNull(2)) p.Street = reader.GetString(2);
if (!reader.IsDBNull(3)) p.PostalCode = reader.GetString(3);
if (!reader.IsDBNull(4)) p.City = reader.GetString(4);
if (!reader.IsDBNull(5)) p.Flags = (uint)reader.GetInt32(5);
if (!reader.IsDBNull(6)) p.Created = reader.GetDateTime(6);
if (!reader.IsDBNull(7)) p.Modified = reader.GetDateTime(7);
result.Add(p);
}
return result;
}
#endregion
#region parameter funcs
public static void SetLoadQuery(IDbCommand cmd)
public static void SetLoadQuery(IDbCommand cmd, params object[] list)
{
cmd.CommandText = "SELECT id, name, street, postal_code, city, flags, created, modified FROM participant";
}
public void SetUpdate(IDbCommand cmd)
#endregion
#region abstract method implementation
public override void SetUpdate(IDbCommand cmd)
{
cmd.CommandText = "UPDATE participant set name = @NAME, street = @STREET, postal_code = @POSTAL_CODE, city = @CITY, flags = @FLAGS WHERE id = @ID";
this.SetParameters(cmd);
}
public void SetCreate(IDbCommand cmd)
public override void SetCreate(IDbCommand cmd)
{
cmd.CommandText = "INSERT INTO participant (name, street, postal_code, city, flags) VALUES ( @NAME, @STREET, @POSTAL_CODE, @CITY, @FLAGS)";
this.SetParameters(cmd);
}
public void SetDelete(IDbCommand cmd)
public override void SetDelete(IDbCommand cmd)
{
cmd.CommandText = "DELETE FROM participant WHERE id = @ID";
@ -83,26 +82,7 @@ namespace brecal.model
idParam.ParameterName = "ID";
idParam.Value = this.Id;
cmd.Parameters.Add(idParam);
}
public static List<DbEntity> LoadElems(IDataReader reader)
{
List<DbEntity> result = new List<DbEntity>();
while(reader.Read())
{
Participant p = new();
p.Id = (uint) reader.GetInt32(0);
if(!reader.IsDBNull(1)) p.Name = reader.GetString(1);
if(!reader.IsDBNull(2)) p.Street = reader.GetString(2);
if (!reader.IsDBNull(3)) p.PostalCode = reader.GetString(3);
if (!reader.IsDBNull(4)) p.City = reader.GetString(4);
if(!reader.IsDBNull(5)) p.Flags = (uint) reader.GetInt32(5);
if (!reader.IsDBNull(6)) p.Created = reader.GetDateTime(6);
if(!reader.IsDBNull(7)) p.Modified = reader.GetDateTime(7);
result.Add(p);
}
return result;
}
}
#endregion

77
src/brecal.model/Role.cs
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@ -1,5 +1,6 @@
using System;
using System.Collections.Generic;
using System.Data;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
@ -17,16 +18,62 @@ namespace brecal.model
#endregion
#region overrides
#region public static methods
public async override void Save(IDBManager manager)
public static async Task<List<Role>> LoadAll(IDBManager manager)
{
List<DbEntity> loadResultList = await manager.Load(SetLoadQuery, LoadElems);
List<Role> result = new();
foreach (Role r in loadResultList.Cast<Role>())
result.Add(r);
return result;
}
public async override void Delete(IDBManager manager)
public static void SetLoadQuery(IDbCommand cmd, params object[] list)
{
cmd.CommandText = "SELECT id, name, description, created, modified FROM role";
}
public static List<DbEntity> LoadElems(IDataReader reader)
{
List<DbEntity> result = new List<DbEntity>();
while (reader.Read())
{
Role r = new();
r.Id = (uint)reader.GetInt32(0);
if (!reader.IsDBNull(1)) r.Name = reader.GetString(1);
if (!reader.IsDBNull(2)) r.Description = reader.GetString(2);
if (!reader.IsDBNull(3)) r.Created = reader.GetDateTime(3);
if (!reader.IsDBNull(4)) r.Modified = reader.GetDateTime(4);
result.Add(r);
}
return result;
}
#endregion
#region overrides
public override void SetUpdate(IDbCommand cmd)
{
cmd.CommandText = "UPDATE role set name = @NAME, description = @DESC WHERE id = @ID";
this.SetParameters(cmd);
}
public override void SetCreate(IDbCommand cmd)
{
cmd.CommandText = "INSERT INTO role (name, description) VALUES ( @NAME, @DESC)";
this.SetParameters(cmd);
}
public override void SetDelete(IDbCommand cmd)
{
cmd.CommandText = "DELETE FROM role WHERE id = @ID";
IDataParameter idParam = cmd.CreateParameter();
idParam.ParameterName = "ID";
idParam.Value = this.Id;
cmd.Parameters.Add(idParam);
}
public override string ToString()
@ -36,5 +83,27 @@ namespace brecal.model
#endregion
#region private methods
private void SetParameters(IDbCommand cmd)
{
IDbDataParameter name = cmd.CreateParameter();
name.ParameterName = "NAME";
name.Value = this.Name;
cmd.Parameters.Add(name);
IDbDataParameter desc = cmd.CreateParameter();
desc.ParameterName = "DESC";
desc.Value = this.Description;
cmd.Parameters.Add(desc);
IDataParameter idParam = cmd.CreateParameter();
idParam.ParameterName = "ID";
idParam.Value = this.Id;
cmd.Parameters.Add(idParam);
}
#endregion
}
}

12
src/brecal.model/RoleAssignment.cs
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@ -1,5 +1,6 @@
using System;
using System.Collections.Generic;
using System.Data;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
@ -17,14 +18,19 @@ namespace brecal.model
#endregion
public async override void Save(IDBManager manager)
public override void SetUpdate(IDbCommand cmd)
{
throw new NotImplementedException();
}
public async override void Delete(IDBManager manager)
public override void SetCreate(IDbCommand cmd)
{
throw new NotImplementedException();
}
public override void SetDelete(IDbCommand cmd)
{
throw new NotImplementedException();
}
}

12
src/brecal.model/Securable.cs
View File

@ -1,5 +1,6 @@
using System;
using System.Collections.Generic;
using System.Data;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
@ -17,14 +18,19 @@ namespace brecal.model
#region overrides
public async override void Save(IDBManager manager)
public override void SetUpdate(IDbCommand cmd)
{
throw new NotImplementedException();
}
public async override void Delete(IDBManager manager)
public override void SetCreate(IDbCommand cmd)
{
throw new NotImplementedException();
}
public override void SetDelete(IDbCommand cmd)
{
throw new NotImplementedException();
}
public override string ToString()

12
src/brecal.model/SecurableAssignment.cs
View File

@ -1,5 +1,6 @@
using System;
using System.Collections.Generic;
using System.Data;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
@ -16,14 +17,19 @@ namespace brecal.model
#endregion
public async override void Save(IDBManager manager)
public override void SetUpdate(IDbCommand cmd)
{
throw new NotImplementedException();
}
public async override void Delete(IDBManager manager)
public override void SetCreate(IDbCommand cmd)
{
throw new NotImplementedException();
}
public override void SetDelete(IDbCommand cmd)
{
throw new NotImplementedException();
}
}

61
src/brecal.model/User.cs
View File

@ -1,4 +1,6 @@
namespace brecal.model
using System.Data;
namespace brecal.model
{
public class User : DbEntity
{
@ -14,18 +16,67 @@
public string? APIKey { get; set; }
public uint? Participant_Id { get; set; }
#endregion
#region public static methods
public static async Task<List<User>> LoadForParticipant(Participant? p, IDBManager manager)
{
List<DbEntity> loadResultList = await manager.Load(SetLoadQuery, LoadElems, args: p);
List<User> result = new();
foreach (User u in loadResultList.Cast<User>())
result.Add(u);
return result;
}
public static void SetLoadQuery(IDbCommand cmd, params object[] args)
{
cmd.CommandText = "SELECT id, first_name, last_name, user_name, api_key, created, modified FROM user WHERE participant_id = @PID";
if (args.Length != 1 || !(args[0] is Participant))
throw new ArgumentException("loader needs single partipant as argument");
IDataParameter pid = cmd.CreateParameter();
pid.ParameterName = "PID";
pid.Value = ((Participant)args[0]).Id;
cmd.Parameters.Add(pid);
}
public static List<DbEntity> LoadElems(IDataReader reader)
{
List<DbEntity> result = new List<DbEntity>();
while (reader.Read())
{
User u = new();
u.Id = (uint)reader.GetInt32(0);
if (!reader.IsDBNull(1)) u.Firstname = reader.GetString(1);
if (!reader.IsDBNull(2)) u.Lastname = reader.GetString(2);
if (!reader.IsDBNull(3)) u.Username = reader.GetString(3);
if (!reader.IsDBNull(4)) u.APIKey = reader.GetString(4);
if (!reader.IsDBNull(5)) u.Created = reader.GetDateTime(5);
if (!reader.IsDBNull(6)) u.Modified = reader.GetDateTime(6);
result.Add(u);
}
return result;
}
#endregion
#region overrides
public async override void Save(IDBManager manager)
public override void SetUpdate(IDbCommand cmd)
{
throw new NotImplementedException();
}
public async override void Delete(IDBManager manager)
public override void SetCreate(IDbCommand cmd)
{
throw new NotImplementedException();
}
public override void SetDelete(IDbCommand cmd)
{
throw new NotImplementedException();
}
public override string ToString()
@ -33,6 +84,8 @@
return this.Username ?? $"{base.Id} - {this.GetType().Name}";
}
#endregion
}

4
src/brecal.mysql/DBManager.cs
View File

@ -11,13 +11,13 @@ namespace brecal.mysql
// TODO: remove this and use certificates instead
private static readonly string _connectionString = "Server=localhost;User ID=ds;Password=HalloWach23;Database=bremen_calling";
public async Task<List<DbEntity>> Load(Action<IDbCommand> prepareAction, LoadFunc<IDataReader> loadAction)
public async Task<List<DbEntity>> Load(QueryFunc prepareAction, LoadFunc<IDataReader> loadAction, params object[] args)
{
await using MySqlConnection connection = new MySqlConnection(_connectionString);
await connection.OpenAsync();
using MySqlCommand cmd = new();
cmd.Connection = connection;
prepareAction(cmd);
prepareAction(cmd, args);
MySqlDataReader reader = await cmd.ExecuteReaderAsync();
List<DbEntity> result = loadAction(reader);
reader.Close();