/// <summary>
/// Point of entrance to program.
/// </summary>
/// <param name="args">Command prompt arguments.</param>
public static void Main(string[] args)
{
Options options = GetCommandLineArguments(args);
FileCabinetRecord[] records = null;
try
{
records = GenerateRandomRecords(options.StartId, options.RecordsAmount);
}
catch (ArgumentOutOfRangeException)
{
Console.WriteLine(Configurator.GetConstantString("IndexLess1"));
Console.WriteLine(Configurator.GetConstantString("ClosingProgram"));
Environment.Exit(-1);
}
catch (ArgumentNullException)
{
Console.WriteLine(Configurator.GetConstantString("InvalidValidationFile"));
Console.WriteLine(Configurator.GetConstantString("ClosingProgram"));
Environment.Exit(-1);
}
catch (FormatException)
{
Console.WriteLine(Configurator.GetConstantString("InvalidValidationFile"));
Console.WriteLine(Configurator.GetConstantString("ClosingProgram"));
Environment.Exit(-1);
}
catch (OverflowException)
{
Console.WriteLine(Configurator.GetConstantString("ValidationOutOfRange"));
Console.WriteLine(Configurator.GetConstantString("ClosingProgram"));
Environment.Exit(-1);
}
Export(options, records);
}
/// <summary>
/// Initializes a new instance of the <see cref="Options"/> class.
/// </summary>
public Options()
{
if (int.TryParse(Configurator.GetSetting("DefaultRecordsAmount"), out int amount) && int.TryParse(Configurator.GetSetting("DefaultStartId"), out int id))
{
this.RecordsAmount = amount;
this.StartId = id;
}
else
{
Console.WriteLine(Configurator.GetConstantString("InvalidAppSettingFile"));
Console.WriteLine(Configurator.GetConstantString("ClosingProgram"));
Environment.Exit(-1);
}
}
private static void Export(Options options, IEnumerable <FileCabinetRecord> records)
{
if (File.Exists(options.OutputFileName))
{
Console.WriteLine($"File is exist - rewrite {options.OutputFileName}? [Y/n]");
string answer = Console.ReadLine();
if (answer.Equals(Configurator.GetConstantString("PositiveAnswer"), StringComparison.OrdinalIgnoreCase))
{
File.Delete(options.OutputFileName);
}
else
{
return;
}
}
if (options.OutputType.Equals(Configurator.GetConstantString("Csv"), StringComparison.OrdinalIgnoreCase))
{
try
{
using StreamWriter streamWriter = new StreamWriter(options.OutputFileName);
streamWriter.WriteLine(Configurator.GetConstantString("CsvHeader"));
using FileCabinetRecordCsvWriter csvWriter = new FileCabinetRecordCsvWriter(streamWriter);
foreach (FileCabinetRecord record in records)
{
csvWriter.Write(record);
}
Console.WriteLine($"{records.Count()} records are exported to file {options.OutputFileName}");
}
catch (DirectoryNotFoundException)
{
Console.WriteLine($"Can't find directory {options.OutputFileName}.");
Console.WriteLine(Configurator.GetConstantString("ClosingProgram"));
}
}
else if (options.OutputType.Equals(Configurator.GetConstantString("Xml"), StringComparison.OrdinalIgnoreCase))
{
FileCabinetRecordXml[] xmlRecords = new FileCabinetRecordXml[records.Count()];
int counter = 0;
foreach (FileCabinetRecord record in records)
{
xmlRecords[counter] = new FileCabinetRecordXml(record);
counter++;
}
XmlWriterSettings settings = new XmlWriterSettings
{
Indent = true,
};
try
{
using (var fileWriter = XmlWriter.Create(options.OutputFileName, settings))
{
XmlWriterToGenerator xmlWriter = new XmlWriterToGenerator(fileWriter, xmlRecords);
xmlWriter.Write();
}
Console.WriteLine($"{records.Count()} records are exported to file {options.OutputFileName}");
}
catch (DirectoryNotFoundException)
{
Console.WriteLine($"Can't find directory {options.OutputFileName}.");
Console.WriteLine(Configurator.GetConstantString("ClosingProgram"));
}
}
else
{
Console.WriteLine($"Wrong format type {options.OutputType}.");
Console.WriteLine(Configurator.GetConstantString("ClosingProgram"));
}
}
private static FileCabinetRecord[] GenerateRandomRecords(int start, int amount)
{
if (start < 1)
{
throw new ArgumentOutOfRangeException(nameof(start), Configurator.GetConstantString("IndexLess1"));
}
IConfigurationRoot validationRules = null;
try
{
validationRules = new ConfigurationBuilder()
.SetBasePath(AppDomain.CurrentDomain.BaseDirectory)
.AddJsonFile(Configurator.GetSetting("ValidationRulesFileName"))
.Build();
}
catch (FileNotFoundException)
{
Console.WriteLine($"{Configurator.GetConstantString("MissingValidation")} {Configurator.GetSetting("ConstantStringsFileName")}");
Console.WriteLine(Configurator.GetConstantString("ClosingProgram"));
Environment.Exit(-1);
}
catch (FormatException)
{
Console.WriteLine(Configurator.GetConstantString("InvalidValidationFile"));
Console.WriteLine(Configurator.GetConstantString("ClosingProgram"));
Environment.Exit(-1);
}
int minFirstNameLength = int.Parse(validationRules.GetSection("default").GetSection("firstName").GetSection("minLength").Value, CultureInfo.InvariantCulture);
int maxFirstNameLength = int.Parse(validationRules.GetSection("default").GetSection("firstName").GetSection("maxLength").Value, CultureInfo.InvariantCulture);
int minLastNameLength = int.Parse(validationRules.GetSection("default").GetSection("lastName").GetSection("minLength").Value, CultureInfo.InvariantCulture);
int maxLastNameLength = int.Parse(validationRules.GetSection("default").GetSection("lastName").GetSection("maxLength").Value, CultureInfo.InvariantCulture);
DateTime fromDateOfBirth = DateTime.ParseExact(validationRules.GetSection("default").GetSection("dateOfBirth").GetSection("from").Value, Configurator.GetConstantString("DateFormatDM"), CultureInfo.InvariantCulture);
DateTime toDateOfBirth = DateTime.ParseExact(validationRules.GetSection("default").GetSection("dateOfBirth").GetSection("to").Value, Configurator.GetConstantString("DateFormatDM"), CultureInfo.InvariantCulture);
char minPatronymicLetter = char.Parse(validationRules.GetSection("default").GetSection("patronymicLetter").GetSection("from").Value);
char maxPatronymicLetter = char.Parse(validationRules.GetSection("default").GetSection("patronymicLetter").GetSection("to").Value);
decimal minIncome = decimal.Parse(validationRules.GetSection("default").GetSection("income").GetSection("from").Value, CultureInfo.InvariantCulture);
decimal maxIncome = decimal.Parse(validationRules.GetSection("default").GetSection("income").GetSection("to").Value, CultureInfo.InvariantCulture);
short minHeight = short.Parse(validationRules.GetSection("default").GetSection("height").GetSection("min").Value, CultureInfo.InvariantCulture);
short maxHeight = short.Parse(validationRules.GetSection("default").GetSection("height").GetSection("max").Value, CultureInfo.InvariantCulture);
string alphabet = Configurator.GetConstantString("Alphabet");
FileCabinetRecord[] records = new FileCabinetRecord[amount];
Random random = new Random();
for (int i = 0; i < amount; i++)
{
records[i] = new FileCabinetRecord
{
Id = start++,
FirstName = GetRandomString(alphabet, random.Next(minFirstNameLength, maxFirstNameLength), random),
LastName = GetRandomString(alphabet, random.Next(minLastNameLength, maxLastNameLength), random),
DateOfBirth = GetRandomDate(fromDateOfBirth, toDateOfBirth, random),
PatronymicLetter = (char)random.Next((int)minPatronymicLetter, (int)maxPatronymicLetter),
Income = random.Next((int)minIncome, (int)maxIncome - 1) + (((decimal)random.Next(0, 100)) / 100),
Height = (short)random.Next(minHeight, maxHeight),
};
}
return(records);
}
private static Options GetCommandLineArguments(string[] args)
{
if (args is null)
{
throw new ArgumentNullException(nameof(args), Configurator.GetConstantString("ArgsIsNull"));
}
List <string> singleParams = new List <string>();
List <string> doubleParams = new List <string>();
List <string> doubleParamsValues = new List <string>();
for (int i = 0; i < args.Length; i++)
{
if (args[i].Substring(0, 2) == Configurator.GetConstantString("DoubleHyphen"))
{
singleParams.Add(args[i]);
continue;
}
else if (args[i].Substring(0, 1) == Configurator.GetConstantString("Hyphen"))
{
if (i == (args.Length - 1))
{
Console.WriteLine($"Invalid command line parameter '{args[i]}'.");
Environment.Exit(-1);
}
doubleParams.Add(args[i]);
doubleParamsValues.Add(args[i + 1]);
i++;
continue;
}
else
{
Console.WriteLine($"Invalid command line parameter '{args[i]}'.");
Environment.Exit(-1);
}
}
Options options = new Options();
foreach (string param in singleParams)
{
string[] keyValuePair = param.Split('=');
if (keyValuePair.Length == 2)
{
if (keyValuePair[0] == Configurator.GetConstantString("OutputTypeCommandLineParameter"))
{
options.OutputType = keyValuePair[1];
}
else if (keyValuePair[0] == Configurator.GetConstantString("OutputPathCommandLineParameter"))
{
options.OutputFileName = keyValuePair[1];
}
else if (keyValuePair[0] == Configurator.GetConstantString("RecordsAmountCommandLineParameter"))
{
if (!int.TryParse(keyValuePair[1], out int amount))
{
Console.WriteLine($"Invalid command line parameter '{param}'.");
Environment.Exit(-1);
}
options.RecordsAmount = amount;
}
else if (keyValuePair[0] == Configurator.GetConstantString("StartIdCommandLineParameter"))
{
if (!int.TryParse(keyValuePair[1], out int startId))
{
Console.WriteLine($"Invalid command line parameter '{param}'.");
Environment.Exit(-1);
}
options.StartId = startId;
}
else
{
Console.WriteLine($"Invalid command line parameter '{param}'.");
Environment.Exit(-1);
}
}
else
{
Console.WriteLine($"Invalid command line parameter '{param}'.");
Environment.Exit(-1);
}
}
for (int i = 0; i < doubleParams.Count; i++)
{
if (doubleParams[i] == Configurator.GetConstantString("ShortOutputTypeCommandLineParameter"))
{
options.OutputType = doubleParamsValues[i];
}
else if (doubleParams[i] == Configurator.GetConstantString("ShortOutputPathCommandLineParameter"))
{
options.OutputFileName = doubleParamsValues[i];
}
else if (doubleParams[i] == Configurator.GetConstantString("ShortRecordsAmountCommandLineParameter"))
{
if (!int.TryParse(doubleParamsValues[i], out int amount))
{
Console.WriteLine($"Invalid command line parameter value '{doubleParamsValues[i]}'.");
Environment.Exit(-1);
}
options.RecordsAmount = amount;
}
else if (doubleParams[i] == Configurator.GetConstantString("ShortStartIdCommandLineParameter"))
{
if (!int.TryParse(doubleParamsValues[i], out int startId))
{
Console.WriteLine($"Invalid command line parameter value '{doubleParamsValues[i]}'.");
Environment.Exit(-1);
}
options.StartId = startId;
}
else
{
Console.WriteLine($"Invalid command line parameter '{doubleParams[i]}'.");
Environment.Exit(-1);
}
}
return(options);
}