/// <summary>
/// Edits a record.
/// </summary>
/// <param name="id">An ID of the editable record.</param>
/// <param name="changedRecord">Changed record.</param>
public void EditRecord(int id, FileCabinetRecordWithoutID changedRecord)
{
using (var reader = new BinaryReader(this.stream, Encoding.Unicode, true))
{
this.stream.Seek(SizeOfShort, SeekOrigin.Begin);
int foundId = 0;
while (reader.PeekChar() > -1)
{
foundId = reader.ReadInt32();
if (foundId == id)
{
this.stream.Seek(-SizeOfInt, SeekOrigin.Current);
break;
}
this.stream.Seek(SizeOfRecord - SizeOfInt, SeekOrigin.Current);
}
if (foundId == 0)
{
throw new ArgumentException($"A record with ID {id} was not found.");
}
}
using (var writer = new BinaryWriter(this.stream, Encoding.Unicode, true))
{
this.WriteRecordWithoutID(writer, id, changedRecord);
this.stream.Seek(0, SeekOrigin.Begin);
}
}
private void WriteRecordWithoutID(BinaryWriter writer, int id, FileCabinetRecordWithoutID record)
{
writer.Write(id);
var firstName = new char[60];
for (int i = 0; i < record.FirstName.Length && i < MaxLengthForFirstNameDefault; i++)
{
firstName[i] = record.FirstName[i];
}
writer.Write(firstName);
var lastName = new char[60];
for (int i = 0; i < record.LastName.Length && i < MaxLengthForLastNameDefault; i++)
{
lastName[i] = record.LastName[i];
}
writer.Write(lastName);
writer.Write(record.Sex);
writer.Write(record.DateOfBirth.Day);
writer.Write(record.DateOfBirth.Month);
writer.Write(record.DateOfBirth.Year);
writer.Write(record.Weight);
writer.Write(record.Balance);
}
/// <summary>
/// Initializes a new instance of the <see cref="FileCabinetRecord"/> class.
/// </summary>
/// <param name="record">A record without ID.</param>
public FileCabinetRecord(FileCabinetRecordWithoutID record)
{
this.FirstName = record.FirstName;
this.LastName = record.LastName;
this.Sex = record.Sex;
this.DateOfBirth = record.DateOfBirth;
this.Weight = record.Weight;
this.Balance = record.Balance;
}
/// <summary>
/// Validates a record.
/// </summary>
/// <param name="record">Record to validate.</param>
public void ValidateParameters(FileCabinetRecordWithoutID record)
{
this.ValidateFirstName(record.FirstName);
this.ValidateLastName(record.LastName);
this.ValidateSex(record.Sex);
this.ValidateDateOfBirth(record.DateOfBirth);
this.ValidateWeight(record.Weight);
this.ValidateBalance(record.Balance);
}
private static void Edit(string parameters)
{
try
{
int id;
if (!int.TryParse(parameters, out id))
{
Console.WriteLine("invalid id");
return;
}
Console.Write("first name: ");
string firstName = ReadInput(StringConverter, FirstNameValidator);
Console.Write("last name: ");
string lastName = ReadInput(StringConverter, LastNameValidator);
Console.Write("sex: ");
char sex = ReadInput(CharConverter, SexValidator);
Console.Write("weight: ");
short weight = ReadInput(ShortConverter, WeightValidator);
Console.Write("date: ");
DateTime dateOfBirth = ReadInput(DateConverter, DateOfBirthValidator);
Console.Write("balance: ");
decimal balance = ReadInput(DecimalConverter, BalanceValidator);
var changedRecord = new FileCabinetRecordWithoutID
{
FirstName = firstName,
LastName = lastName,
Sex = sex,
Weight = weight,
DateOfBirth = dateOfBirth,
Balance = balance,
};
fileCabinetService.EditRecord(id, changedRecord);
}
catch (ArgumentException ex)
{
Console.WriteLine(ex.Message);
}
}
/// <summary>
/// Edits a record.
/// </summary>
/// <param name="id">An ID of the editable record.</param>
/// <param name="changedRecord">Changed record.</param>
public void EditRecord(int id, FileCabinetRecordWithoutID changedRecord)
{
this.Validator.ValidateParameters(changedRecord);
for (int i = 0; i < this.records.Count; i++)
{
if (this.records[i].Id == id)
{
this.firstNameDictionary[this.records[i].FirstName.ToLower(CultureInfo.CurrentCulture)].Remove(this.records[i]);
this.lastNameDictionary[this.records[i].LastName.ToLower(CultureInfo.CurrentCulture)].Remove(this.records[i]);
this.dateOfBirthDictionary[this.records[i].DateOfBirth].Remove(this.records[i]);
int idOfTheRecord = this.records[i].Id;
this.records[i] = new FileCabinetRecord(changedRecord);
this.records[i].Id = idOfTheRecord;
if (!this.firstNameDictionary.ContainsKey(this.records[i].FirstName.ToLower(CultureInfo.CurrentCulture)))
{
this.firstNameDictionary[this.records[i].FirstName.ToLower(CultureInfo.CurrentCulture)] = new List <FileCabinetRecord>();
}
if (!this.lastNameDictionary.ContainsKey(this.records[i].LastName.ToLower(CultureInfo.CurrentCulture)))
{
this.lastNameDictionary[this.records[i].LastName.ToLower(CultureInfo.CurrentCulture)] = new List <FileCabinetRecord>();
}
if (!this.dateOfBirthDictionary.ContainsKey(this.records[i].DateOfBirth))
{
this.dateOfBirthDictionary[this.records[i].DateOfBirth] = new List <FileCabinetRecord>();
}
this.firstNameDictionary[this.records[i].FirstName.ToLower(CultureInfo.CurrentCulture)].Add(this.records[i]);
this.lastNameDictionary[this.records[i].LastName.ToLower(CultureInfo.CurrentCulture)].Add(this.records[i]);
this.dateOfBirthDictionary[this.records[i].DateOfBirth].Add(this.records[i]);
return;
}
}
throw new ArgumentException($"A user with id {id} doesn't exist.");
}
private static void Create(string parameters)
{
try
{
Console.Write(FirstNameOutput);
string firstName = ReadInput(StringConverter, FirstNameValidator);
Console.Write(LastNameOutput);
string lastName = ReadInput(StringConverter, LastNameValidator);
Console.Write(SexOutput);
char sex = ReadInput(CharConverter, SexValidator);
Console.Write(WeightOutput);
short weight = ReadInput(ShortConverter, WeightValidator);
Console.Write(DateOfBirthOutput);
DateTime dateOfBirth = ReadInput(DateConverter, DateOfBirthValidator);
Console.Write(BalanceOutput);
decimal balance = ReadInput(DecimalConverter, BalanceValidator);
var newRecord = new FileCabinetRecordWithoutID()
{
FirstName = firstName,
LastName = lastName,
Sex = sex,
DateOfBirth = dateOfBirth,
Weight = weight,
Balance = balance,
};
Console.WriteLine($"record #{fileCabinetService.CreateRecord(newRecord)} is created.");
}
catch (ArgumentException ex)
{
Console.WriteLine(ex.Message);
Console.WriteLine(TryAgainOutput);
}
}
/// <summary>
/// Creates a record.
/// </summary>
/// <param name="record">A record that contains information about the new record.</param>
/// <returns>An ID of the new record.</returns>
public int CreateRecord(FileCabinetRecordWithoutID record)
{
if (record == null)
{
throw new ArgumentNullException($"{nameof(record)} can't be null.");
}
int id;
using (var writer = new BinaryWriter(this.stream, Encoding.Unicode, true))
{
id = ++this.lastId;
this.stream.Seek(SizeOfShort, SeekOrigin.End);
this.WriteRecordWithoutID(writer, id, record);
this.stream.Seek(0, SeekOrigin.Begin);
}
return(id);
}
/// <summary>
/// Creates a record.
/// </summary>
/// <param name="record">A record that contains information about the new record.</param>
/// <returns>An ID of the new record.</returns>
public int CreateRecord(FileCabinetRecordWithoutID record)
{
this.Validator.ValidateParameters(record);
var newRecord = new FileCabinetRecord(record);
if (this.records.Count == 0)
{
newRecord.Id = this.records.Count + 1;
}
else
{
newRecord.Id = this.records[this.records.Count - 1].Id + 1;
}
this.records.Add(newRecord);
if (!this.firstNameDictionary.ContainsKey(record.FirstName.ToLower(CultureInfo.CurrentCulture)))
{
this.firstNameDictionary[record.FirstName.ToLower(CultureInfo.CurrentCulture)] = new List <FileCabinetRecord>();
}
if (!this.lastNameDictionary.ContainsKey(record.LastName.ToLower(CultureInfo.CurrentCulture)))
{
this.lastNameDictionary[record.LastName.ToLower(CultureInfo.CurrentCulture)] = new List <FileCabinetRecord>();
}
if (!this.dateOfBirthDictionary.ContainsKey(record.DateOfBirth))
{
this.dateOfBirthDictionary[record.DateOfBirth] = new List <FileCabinetRecord>();
}
this.firstNameDictionary[record.FirstName.ToLower(CultureInfo.CurrentCulture)].Add(newRecord);
this.lastNameDictionary[record.LastName.ToLower(CultureInfo.CurrentCulture)].Add(newRecord);
this.dateOfBirthDictionary[record.DateOfBirth].Add(newRecord);
return(newRecord.Id);
}