public override bool IsAvailableCore()
{
this.TableName = Helpers.GetTableName(this.Class);
if (this.TableName == null)
{
return(false);
}
IProjectFolder migrationsFolder =
this.DataProvider.Project.GetSubFolders().FirstOrDefault(x => x.Name == "Migrations");
if (migrationsFolder == null)
{
return(false);
}
IList <IProjectFile> migrationFiles = migrationsFolder.GetSubFiles();
foreach (IProjectFile migrationFile in migrationFiles)
{
if (int.TryParse(migrationFile.Name.SubstringAfter("M").SubstringBefore("_"), out int migrationNumber))
{
this.MigrationNumber = Math.Max(this.MigrationNumber, migrationNumber + 1);
}
}
return(true);
}
private static bool TryEnsureFileExists(
RelativePath relativeFilePath,
IProjectFolder projectFolder,
IProjectFile sourceFile,
IProjectModelTransactionCookie transaction,
out IProjectFile file)
{
file = projectFolder.GetSubFiles(relativeFilePath.Name).FirstOrDefault();
if (file != null)
{
var message =
$"The file '{relativeFilePath.FullPath}' already exists.{Environment.NewLine}" +
"Do you want to overwrite it?";
return(MessageBox.ShowYesNo(message));
}
file = ExecutionHelpers.CreateFile(relativeFilePath.Name, projectFolder, sourceFile, transaction);
return(true);
}
