ObservableProperty Attribute for Class

[KannanKrish]

Overview

To simplify the Observable Property attribute required for all properties inside the class.

Current Usage:

public partial class AddContact : ObservableObject
{
    [ObservableProperty] private Guid id;
    [ObservableProperty] private string firstName;
    [ObservableProperty] private string lastName;
    [ObservableProperty] private Phone phone;
    [ObservableProperty] private DateTime? expiry;
    [ObservableProperty] private ObservableCollection<Phone> extraPhones = new();
    [ObservableProperty] private string image;
    [ObservableProperty] private Group group;
    [ObservableProperty] private string email;
    [ObservableProperty]
    [NotifyPropertyChangedFor(nameof(ShowRingtonePlay))]
    [NotifyPropertyChangedFor(nameof(RingtoneFile))]
    private string ringtone;
    public bool ShowRingtonePlay => !Ringtone.IsNullOrEmpty();
    public string RingtoneFile => Path.GetFileName(Ringtone);
    [ObservableProperty] private ObservableCollection<string> emails = new();
    [ObservableProperty] private Company company;
    [ObservableProperty] private Country country;
    [ObservableProperty] private Relationship relationship;
    [ObservableProperty] private Address address;
    [ObservableProperty] private ObservableCollection<Event> events = new();
    [ObservableProperty] private ObservableCollection<SocialMedia> socials = new();
    [ObservableProperty] private ObservableCollection<Note> notes = new();

    private readonly CountryService countryService;
}

API breakdown

No Api breakdown

Usage example

[ObservableProperty] or [AllObservableProperty]
public partial class AddContact : ObservableObject
{
    private Guid id;
    private string firstName;
    private string lastName;
    private Phone phone;
    private DateTime? expiry;
    private ObservableCollection<Phone> extraPhones = new();
    private string image;
    private Group group;
    private string email;
    private ObservableCollection<string> emails = new();
    private Company company;
    private Country country;
    private Relationship relationship;
    private Address address;
    private ObservableCollection<Event> events = new();
    private ObservableCollection<SocialMedia> socials = new();
    private ObservableCollection<Note> notes = new();
    
    [NotifyPropertyChangedFor(nameof(ShowRingtonePlay))]
    [NotifyPropertyChangedFor(nameof(RingtoneFile))]
    private string ringtone;
    
    public bool ShowRingtonePlay => !Ringtone.IsNullOrEmpty();
    public string RingtoneFile => Path.GetFileName(Ringtone);
    
    private readonly CountryService countryService;
}

Breaking change?

No

Alternatives

No

Additional context

For much better code.

For automatic code generation, avoid public property and private readonly property.

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