sourcegit/src/ViewModels/EditRemote.cs at develop · AhlamBCoding/sourcegit · GitHub

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using System.ComponentModel.DataAnnotations;
using System.IO;
using System.Threading.Tasks;

namespace SourceGit.ViewModels
{
    public class EditRemote : Popup
    {
        [Required(ErrorMessage = "Remote name is required!!!")]
        [RegularExpression(@"^[\w\-\.]+$", ErrorMessage = "Bad remote name format!!!")]
        [CustomValidation(typeof(EditRemote), nameof(ValidateRemoteName))]
        public string Name
        {
            get => _name;
            set => SetProperty(ref _name, value, true);
        }

        [Required(ErrorMessage = "Remote URL is required!!!")]
        [CustomValidation(typeof(EditRemote), nameof(ValidateRemoteURL))]
        public string Url
        {
            get => _url;
            set
            {
                if (SetProperty(ref _url, value, true))
                    UseSSH = Models.Remote.IsSSH(value);
            }
        }

        public bool UseSSH
        {
            get => _useSSH;
            set
            {
                if (SetProperty(ref _useSSH, value))
                    ValidateProperty(_sshkey, nameof(SSHKey));
            }
        }

        [CustomValidation(typeof(EditRemote), nameof(ValidateSSHKey))]
        public string SSHKey
        {
            get => _sshkey;
            set => SetProperty(ref _sshkey, value, true);
        }

        public EditRemote(Repository repo, Models.Remote remote)
        {
            _repo = repo;
            _remote = remote;
            _name = remote.Name;
            _url = remote.URL;
            _useSSH = Models.Remote.IsSSH(remote.URL);

            if (_useSSH)
            {
                SSHKey = new Commands.Config(repo.FullPath).Get($"remote.{remote.Name}.sshkey");
            }
        }

        public static ValidationResult ValidateRemoteName(string name, ValidationContext ctx)
        {
            if (ctx.ObjectInstance is EditRemote edit)
            {
                foreach (var remote in edit._repo.Remotes)
                {
                    if (remote != edit._remote && name == remote.Name)
                        return new ValidationResult("A remote with given name already exists!!!");
                }
            }

            return ValidationResult.Success;
        }

        public static ValidationResult ValidateRemoteURL(string url, ValidationContext ctx)
        {
            if (ctx.ObjectInstance is EditRemote edit)
            {
                if (!Models.Remote.IsValidURL(url))
                    return new ValidationResult("Bad remote URL format!!!");

                foreach (var remote in edit._repo.Remotes)
                {
                    if (remote != edit._remote && url == remote.URL)
                        return new ValidationResult("A remote with the same url already exists!!!");
                }
            }

            return ValidationResult.Success;
        }

        public static ValidationResult ValidateSSHKey(string sshkey, ValidationContext ctx)
        {
            if (ctx.ObjectInstance is EditRemote { _useSSH: true } && !string.IsNullOrEmpty(sshkey))
            {
                if (!File.Exists(sshkey))
                    return new ValidationResult("Given SSH private key can NOT be found!");
            }

            return ValidationResult.Success;
        }

        public override Task<bool> Sure()
        {
            _repo.SetWatcherEnabled(false);
            ProgressDescription = $"Editing remote '{_remote.Name}' ...";

            return Task.Run(() =>
            {
                if (_remote.Name != _name)
                {
                    var succ = new Commands.Remote(_repo.FullPath).Rename(_remote.Name, _name);
                    if (succ)
                        _remote.Name = _name;
                }

                if (_remote.URL != _url)
                {
                    var succ = new Commands.Remote(_repo.FullPath).SetURL(_name, _url, false);
                    if (succ)
                        _remote.URL = _url;
                }

                var pushURL = new Commands.Remote(_repo.FullPath).GetURL(_name, true);
                if (pushURL != _url)
                    new Commands.Remote(_repo.FullPath).SetURL(_name, _url, true);

                new Commands.Config(_repo.FullPath).Set($"remote.{_name}.sshkey", _useSSH ? SSHKey : null);

                CallUIThread(() => _repo.SetWatcherEnabled(true));
                return true;
            });
        }

        private readonly Repository _repo = null;
        private readonly Models.Remote _remote = null;
        private string _name = null;
        private string _url = null;
        private bool _useSSH = false;
        private string _sshkey = string.Empty;
    }
}