feat: namespace team2
This commit is contained in:
adam
parent
10fdfebcb3
commit
22aec4322a
340
src/team2.cs
340
src/team2.cs
@ -1,151 +1,265 @@
|
||||
using System;
|
||||
using Microsoft.Data.Sqlite;
|
||||
using Database.Dto;
|
||||
|
||||
class AddRecords
|
||||
namespace Team2
|
||||
{
|
||||
public static void AddAuthor(SqliteConnection connection, string name, string surname, DateTime dateOfBirth)
|
||||
public static class Team2
|
||||
{
|
||||
public static AuthorDto AddAuthor(SqliteConnection connection, string name, string surname, DateTime dateOfBirth)
|
||||
{
|
||||
string query = "INSERT OR IGNORE INTO Authors (Name, Surname, DateOfBirth) VALUES (@name, @surname, @dob);";
|
||||
using (var command = new SqliteCommand(query, connection))
|
||||
try
|
||||
{
|
||||
command.Parameters.AddWithValue("@name", name);
|
||||
command.Parameters.AddWithValue("@surname", surname);
|
||||
command.Parameters.AddWithValue("@dob", dateOfBirth.ToString("yyyy-MM-dd"));
|
||||
command.ExecuteNonQuery();
|
||||
Console.WriteLine("Author added successfully.");
|
||||
var dob = dateOfBirth.ToString("yyyy-MM-dd");
|
||||
using (var cmd = connection.CreateCommand())
|
||||
{
|
||||
cmd.CommandText = "INSERT OR IGNORE INTO Authors (Name, Surname, DateOfBirth) VALUES (@name, @surname, @dob);";
|
||||
cmd.Parameters.AddWithValue("@name", name);
|
||||
cmd.Parameters.AddWithValue("@surname", surname);
|
||||
cmd.Parameters.AddWithValue("@dob", dob);
|
||||
cmd.ExecuteNonQuery();
|
||||
}
|
||||
|
||||
using (var cmd = connection.CreateCommand())
|
||||
{
|
||||
cmd.CommandText = "SELECT ID, Name, Surname, DateOfBirth FROM Authors WHERE Name = @name AND Surname = @surname AND DateOfBirth = @dob LIMIT 1;";
|
||||
cmd.Parameters.AddWithValue("@name", name);
|
||||
cmd.Parameters.AddWithValue("@surname", surname);
|
||||
cmd.Parameters.AddWithValue("@dob", dob);
|
||||
|
||||
using (var reader = cmd.ExecuteReader())
|
||||
{
|
||||
if (!reader.Read()) return null;
|
||||
var a = new AuthorDto
|
||||
{
|
||||
Id = reader.IsDBNull(0) ? 0 : reader.GetInt32(0),
|
||||
Name = reader.IsDBNull(1) ? "" : reader.GetString(1),
|
||||
Surname = reader.IsDBNull(2) ? "" : reader.GetString(2),
|
||||
DateOfBirth = reader.IsDBNull(3) ? DateTime.MinValue : reader.GetDateTime(3)
|
||||
};
|
||||
return a;
|
||||
}
|
||||
}
|
||||
}
|
||||
catch
|
||||
{
|
||||
return null;
|
||||
}
|
||||
}
|
||||
|
||||
public static void AddPublisher(SqliteConnection connection, string name, string state)
|
||||
public static Publisher AddPublisher(SqliteConnection connection, string name, string state)
|
||||
{
|
||||
string query = "INSERT OR IGNORE INTO Publisher (Name, State) VALUES (@name, @state);";
|
||||
using (var command = new SqliteCommand(query, connection))
|
||||
try
|
||||
{
|
||||
command.Parameters.AddWithValue("@name", name);
|
||||
command.Parameters.AddWithValue("@state", state);
|
||||
command.ExecuteNonQuery();
|
||||
using (var cmd = connection.CreateCommand())
|
||||
{
|
||||
cmd.CommandText = "INSERT OR IGNORE INTO Publisher (Name, State) VALUES (@name, @state);";
|
||||
cmd.Parameters.AddWithValue("@name", name);
|
||||
cmd.Parameters.AddWithValue("@state", state);
|
||||
cmd.ExecuteNonQuery();
|
||||
}
|
||||
|
||||
using (var cmd = connection.CreateCommand())
|
||||
{
|
||||
cmd.CommandText = "SELECT ID, Name, State FROM Publisher WHERE Name = @name AND State = @state LIMIT 1;";
|
||||
cmd.Parameters.AddWithValue("@name", name);
|
||||
cmd.Parameters.AddWithValue("@state", state);
|
||||
|
||||
using (var reader = cmd.ExecuteReader())
|
||||
{
|
||||
if (!reader.Read()) return null;
|
||||
return new Publisher
|
||||
{
|
||||
Id = reader.IsDBNull(0) ? 0 : reader.GetInt32(0),
|
||||
Name = reader.IsDBNull(1) ? "" : reader.GetString(1),
|
||||
State = reader.IsDBNull(2) ? "" : reader.GetString(2)
|
||||
};
|
||||
}
|
||||
}
|
||||
}
|
||||
catch
|
||||
{
|
||||
return null;
|
||||
}
|
||||
}
|
||||
|
||||
public static void AddBook(SqliteConnection connection, string name, int authorId, int publisherId, int year, int total, int available)
|
||||
public static BookDto AddBook(SqliteConnection connection, string name, int authorId, int publisherId, int year, int total, int available)
|
||||
{
|
||||
string query = @"INSERT OR IGNORE INTO Books (Name, AuthorID, PublisherID, YearOfRelease, Total, Available)
|
||||
VALUES (@name, @author, @publisher, @year, @total, @available);";
|
||||
|
||||
using (var command = new SqliteCommand())
|
||||
try
|
||||
{
|
||||
command.Connection = connection;
|
||||
try
|
||||
// check author
|
||||
using (var cmd = connection.CreateCommand())
|
||||
{
|
||||
// Check author exists
|
||||
command.CommandText = "SELECT 1 FROM Authors WHERE ID = @Aid;";
|
||||
command.Parameters.Clear();
|
||||
command.Parameters.AddWithValue("@Aid", authorId);
|
||||
using (var reader = command.ExecuteReader())
|
||||
cmd.CommandText = "SELECT 1 FROM Authors WHERE ID = @Aid;";
|
||||
cmd.Parameters.AddWithValue("@Aid", authorId);
|
||||
using (var r = cmd.ExecuteReader())
|
||||
{
|
||||
if (!reader.HasRows)
|
||||
{
|
||||
Console.WriteLine($"Author with ID {authorId} does not exist.");
|
||||
return;
|
||||
}
|
||||
if (!r.HasRows) return null;
|
||||
}
|
||||
|
||||
// Check publisher exists
|
||||
command.CommandText = "SELECT 1 FROM Publisher WHERE ID = @Pid;";
|
||||
command.Parameters.Clear();
|
||||
command.Parameters.AddWithValue("@Pid", publisherId);
|
||||
using (var reader = command.ExecuteReader())
|
||||
{
|
||||
if (!reader.HasRows)
|
||||
{
|
||||
Console.WriteLine($"Publisher with ID {publisherId} does not exist.");
|
||||
return;
|
||||
}
|
||||
}
|
||||
|
||||
// Insert book
|
||||
command.CommandText = query;
|
||||
command.Parameters.Clear();
|
||||
command.Parameters.AddWithValue("@name", name);
|
||||
command.Parameters.AddWithValue("@year", year);
|
||||
command.Parameters.AddWithValue("@total", total);
|
||||
command.Parameters.AddWithValue("@available", available);
|
||||
command.Parameters.AddWithValue("@author", authorId);
|
||||
command.Parameters.AddWithValue("@publisher", publisherId);
|
||||
command.ExecuteNonQuery();
|
||||
|
||||
}
|
||||
catch (Exception ex)
|
||||
|
||||
// check publisher
|
||||
using (var cmd = connection.CreateCommand())
|
||||
{
|
||||
// Log and return so the exception doesn't bubble to the caller
|
||||
Console.WriteLine($"AddBook failed: {ex.Message}");
|
||||
return;
|
||||
cmd.CommandText = "SELECT 1 FROM Publisher WHERE ID = @Pid;";
|
||||
cmd.Parameters.AddWithValue("@Pid", publisherId);
|
||||
using (var r = cmd.ExecuteReader())
|
||||
{
|
||||
if (!r.HasRows) return null;
|
||||
}
|
||||
}
|
||||
|
||||
using (var cmd = connection.CreateCommand())
|
||||
{
|
||||
cmd.CommandText = @"INSERT OR IGNORE INTO Books (Name, AuthorID, PublisherID, YearOfRelease, Total, Available)
|
||||
VALUES (@name, @author, @publisher, @year, @total, @available);";
|
||||
cmd.Parameters.AddWithValue("@name", name);
|
||||
cmd.Parameters.AddWithValue("@author", authorId);
|
||||
cmd.Parameters.AddWithValue("@publisher", publisherId);
|
||||
cmd.Parameters.AddWithValue("@year", year);
|
||||
cmd.Parameters.AddWithValue("@total", total);
|
||||
cmd.Parameters.AddWithValue("@available", available);
|
||||
cmd.ExecuteNonQuery();
|
||||
}
|
||||
|
||||
using (var cmd = connection.CreateCommand())
|
||||
{
|
||||
cmd.CommandText = @"SELECT ID, Name, AuthorID, PublisherID, YearOfRelease, Total, Available
|
||||
FROM Books
|
||||
WHERE Name = @name AND AuthorID = @author AND PublisherID = @publisher AND YearOfRelease = @year
|
||||
LIMIT 1;";
|
||||
cmd.Parameters.AddWithValue("@name", name);
|
||||
cmd.Parameters.AddWithValue("@author", authorId);
|
||||
cmd.Parameters.AddWithValue("@publisher", publisherId);
|
||||
cmd.Parameters.AddWithValue("@year", year);
|
||||
|
||||
using (var reader = cmd.ExecuteReader())
|
||||
{
|
||||
if (!reader.Read()) return null;
|
||||
return new BookDto
|
||||
{
|
||||
Id = reader.IsDBNull(0) ? 0 : reader.GetInt32(0),
|
||||
Name = reader.IsDBNull(1) ? "" : reader.GetString(1),
|
||||
YearOfRelease = reader.IsDBNull(4) ? 0 : reader.GetInt32(4),
|
||||
Total = reader.IsDBNull(5) ? 0 : reader.GetInt32(5),
|
||||
Author = new AuthorDto { Id = reader.IsDBNull(2) ? 0 : reader.GetInt32(2) },
|
||||
Publisher = new Publisher { Id = reader.IsDBNull(3) ? 0 : reader.GetInt32(3) }
|
||||
};
|
||||
}
|
||||
}
|
||||
}
|
||||
catch
|
||||
{
|
||||
return null;
|
||||
}
|
||||
}
|
||||
|
||||
public static void AddUser(SqliteConnection connection, string name, string surname)
|
||||
public static UserDto AddUser(SqliteConnection connection, string name, string surname)
|
||||
{
|
||||
string query = "INSERT OR IGNORE INTO Users (Name, Surname) VALUES (@name, @surname);";
|
||||
using (var command = new SqliteCommand(query, connection))
|
||||
try
|
||||
{
|
||||
command.Parameters.AddWithValue("@name", name);
|
||||
command.Parameters.AddWithValue("@surname", surname);
|
||||
command.ExecuteNonQuery();
|
||||
using (var cmd = connection.CreateCommand())
|
||||
{
|
||||
cmd.CommandText = "INSERT OR IGNORE INTO Users (Name, Surname) VALUES (@name, @surname);";
|
||||
cmd.Parameters.AddWithValue("@name", name);
|
||||
cmd.Parameters.AddWithValue("@surname", surname);
|
||||
cmd.ExecuteNonQuery();
|
||||
}
|
||||
|
||||
using (var cmd = connection.CreateCommand())
|
||||
{
|
||||
cmd.CommandText = "SELECT ID, Name, Surname FROM Users WHERE Name = @name AND Surname = @surname LIMIT 1;";
|
||||
cmd.Parameters.AddWithValue("@name", name);
|
||||
cmd.Parameters.AddWithValue("@surname", surname);
|
||||
|
||||
using (var reader = cmd.ExecuteReader())
|
||||
{
|
||||
if (!reader.Read()) return null;
|
||||
return new UserDto
|
||||
{
|
||||
Id = reader.IsDBNull(0) ? 0 : reader.GetInt32(0),
|
||||
Name = reader.IsDBNull(1) ? "" : reader.GetString(1),
|
||||
Surname = reader.IsDBNull(2) ? "" : reader.GetString(2)
|
||||
};
|
||||
}
|
||||
}
|
||||
}
|
||||
catch
|
||||
{
|
||||
return null;
|
||||
}
|
||||
}
|
||||
|
||||
public static void AddBorrowedBookRecord(SqliteConnection connection, int bookId, int userId, DateTime borrowedDate, int days = 30)
|
||||
public static Borrow AddBorrowedBookRecord(SqliteConnection connection, int bookId, int userId, DateTime borrowedDate, int days = 30)
|
||||
{
|
||||
string returnDue = borrowedDate.AddDays(days).ToString("yyyy-MM-dd");
|
||||
string query = @"INSERT OR IGNORE INTO Borrows (DateOfBorrow, ReturnDue, UserID, BookID)
|
||||
VALUES (@borrowed, @due, @user, @book);";
|
||||
|
||||
using (var command = new SqliteCommand())
|
||||
try
|
||||
{
|
||||
command.Connection = connection;
|
||||
try
|
||||
{
|
||||
// Check user exists
|
||||
command.CommandText = "SELECT 1 FROM Users WHERE ID = @Uid;";
|
||||
command.Parameters.Clear();
|
||||
command.Parameters.AddWithValue("@Uid", userId);
|
||||
using (var reader = command.ExecuteReader())
|
||||
{
|
||||
if (!reader.HasRows)
|
||||
{
|
||||
Console.WriteLine($"User with ID {userId} does not exist.");
|
||||
return;
|
||||
}
|
||||
}
|
||||
var borrowed = borrowedDate.ToString("yyyy-MM-dd");
|
||||
var due = borrowedDate.AddDays(days).ToString("yyyy-MM-dd");
|
||||
|
||||
// Check book exists
|
||||
command.CommandText = "SELECT 1 FROM Books WHERE ID = @Bid;";
|
||||
command.Parameters.Clear();
|
||||
command.Parameters.AddWithValue("@Bid", bookId);
|
||||
using (var reader = command.ExecuteReader())
|
||||
{
|
||||
if (!reader.HasRows)
|
||||
{
|
||||
Console.WriteLine($"Book with ID {bookId} does not exist.");
|
||||
return;
|
||||
}
|
||||
}
|
||||
|
||||
// Insert borrow record
|
||||
command.CommandText = query;
|
||||
command.Parameters.Clear();
|
||||
command.Parameters.AddWithValue("@borrowed", borrowedDate.ToString("yyyy-MM-dd"));
|
||||
command.Parameters.AddWithValue("@due", returnDue);
|
||||
command.Parameters.AddWithValue("@user", userId);
|
||||
command.Parameters.AddWithValue("@book", bookId);
|
||||
command.ExecuteNonQuery();
|
||||
}
|
||||
catch (Exception ex)
|
||||
using (var cmd = connection.CreateCommand())
|
||||
{
|
||||
Console.WriteLine($"AddBorrowedBookRecord failed: {ex.Message}");
|
||||
return;
|
||||
cmd.CommandText = "SELECT 1 FROM Users WHERE ID = @Uid;";
|
||||
cmd.Parameters.AddWithValue("@Uid", userId);
|
||||
using (var r = cmd.ExecuteReader())
|
||||
{
|
||||
if (!r.HasRows) return null;
|
||||
}
|
||||
}
|
||||
|
||||
using (var cmd = connection.CreateCommand())
|
||||
{
|
||||
cmd.CommandText = "SELECT 1 FROM Books WHERE ID = @Bid;";
|
||||
cmd.Parameters.AddWithValue("@Bid", bookId);
|
||||
using (var r = cmd.ExecuteReader())
|
||||
{
|
||||
if (!r.HasRows) return null;
|
||||
}
|
||||
}
|
||||
|
||||
using (var cmd = connection.CreateCommand())
|
||||
{
|
||||
cmd.CommandText = @"INSERT OR IGNORE INTO Borrows (DateOfBorrow, ReturnDue, UserID, BookID)
|
||||
VALUES (@borrowed, @due, @user, @book);";
|
||||
cmd.Parameters.AddWithValue("@borrowed", borrowed);
|
||||
cmd.Parameters.AddWithValue("@due", due);
|
||||
cmd.Parameters.AddWithValue("@user", userId);
|
||||
cmd.Parameters.AddWithValue("@book", bookId);
|
||||
cmd.ExecuteNonQuery();
|
||||
}
|
||||
|
||||
using (var cmd = connection.CreateCommand())
|
||||
{
|
||||
cmd.CommandText = @"SELECT ID, DateOfBorrow, ReturnDue, DateOfReturn, UserID, BookID
|
||||
FROM Borrows
|
||||
WHERE DateOfBorrow = @borrowed AND ReturnDue = @due AND UserID = @user AND BookID = @book
|
||||
LIMIT 1;";
|
||||
cmd.Parameters.AddWithValue("@borrowed", borrowed);
|
||||
cmd.Parameters.AddWithValue("@due", due);
|
||||
cmd.Parameters.AddWithValue("@user", userId);
|
||||
cmd.Parameters.AddWithValue("@book", bookId);
|
||||
|
||||
using (var reader = cmd.ExecuteReader())
|
||||
{
|
||||
if (!reader.Read()) return null;
|
||||
var b = new Borrow
|
||||
{
|
||||
Id = reader.IsDBNull(0) ? 0 : reader.GetInt32(0),
|
||||
DateOfBorrow = reader.IsDBNull(1) ? DateTime.MinValue : reader.GetDateTime(1),
|
||||
ReturnDue = reader.IsDBNull(2) ? DateTime.MinValue : reader.GetDateTime(2),
|
||||
DateOfReturn = reader.IsDBNull(3) ? DateTime.MinValue : reader.GetDateTime(3),
|
||||
User = new UserDto { Id = reader.IsDBNull(4) ? 0 : reader.GetInt32(4) },
|
||||
Book = new BookDto { Id = reader.IsDBNull(5) ? 0 : reader.GetInt32(5) }
|
||||
};
|
||||
return b;
|
||||
}
|
||||
}
|
||||
}
|
||||
catch
|
||||
{
|
||||
return null;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
Loading…
Reference in New Issue
Block a user