mirror of
https://github.com/aaronpo97/the-biergarten-app.git
synced 2026-02-16 10:42:08 +00:00
Restructure data access layer/data layer
This commit is contained in:
Aaron Po
13
DataAccessLayer/Repositories/IUserAccountRepository.cs
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13
DataAccessLayer/Repositories/IUserAccountRepository.cs
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@@ -0,0 +1,13 @@
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using System;
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using System.Collections.Generic;
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using DataAccessLayer.Entities;
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namespace DataAccessLayer
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{
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public interface IUserAccountRepository : IRepository<UserAccount>
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{
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IEnumerable<UserAccount> GetAll();
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UserAccount? GetByUsername(string username);
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UserAccount? GetByEmail(string email);
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}
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}
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163
DataAccessLayer/Repositories/UserAccountRepository.cs
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163
DataAccessLayer/Repositories/UserAccountRepository.cs
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@@ -0,0 +1,163 @@
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using System;
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using System.Collections.Generic;
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using DataAccessLayer.Entities;
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using Microsoft.Data.SqlClient;
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namespace DataAccessLayer
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{
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public class UserAccountRepository : IUserAccountRepository
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{
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private readonly string _connectionString;
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public UserAccountRepository()
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{
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// Retrieve the connection string from environment variables
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_connectionString =
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Environment.GetEnvironmentVariable("DB_CONNECTION_STRING")
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?? throw new InvalidOperationException(
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"The connection string is not set in the environment variables."
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);
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}
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public void Add(UserAccount userAccount)
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{
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using SqlConnection connection = new(_connectionString);
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using SqlCommand command = new("usp_CreateUserAccount", connection);
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command.CommandType = System.Data.CommandType.StoredProcedure;
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AddUserAccountCreateParameters(command, userAccount);
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connection.Open();
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command.ExecuteNonQuery();
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}
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public UserAccount? GetById(Guid id)
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{
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using SqlConnection connection = new(_connectionString);
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using SqlCommand command = new(
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"usp_GetUserAccountById",
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connection
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);
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command.CommandType = System.Data.CommandType.StoredProcedure;
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command.Parameters.AddWithValue("@UserAccountId", id);
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connection.Open();
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using SqlDataReader reader = command.ExecuteReader();
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return reader.Read() ? MapUserAccount(reader) : null;
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}
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public void Update(UserAccount userAccount)
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{
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using SqlConnection connection = new(_connectionString);
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using SqlCommand command = new("usp_UpdateUserAccount", connection);
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command.CommandType = System.Data.CommandType.StoredProcedure;
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AddUserAccountUpdateParameters(command, userAccount);
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connection.Open();
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command.ExecuteNonQuery();
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}
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public void Delete(Guid id)
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{
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using SqlConnection connection = new(_connectionString);
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using SqlCommand command = new(
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"usp_DeleteUserAccount",
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connection
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);
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command.CommandType = System.Data.CommandType.StoredProcedure;
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command.Parameters.AddWithValue("@UserAccountId", id);
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connection.Open();
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command.ExecuteNonQuery();
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}
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public IEnumerable<UserAccount> GetAll()
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{
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using SqlConnection connection = new(_connectionString);
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using SqlCommand command = new(
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"usp_GetAllUserAccounts",
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connection
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);
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command.CommandType = System.Data.CommandType.StoredProcedure;
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connection.Open();
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using SqlDataReader reader = command.ExecuteReader();
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List<UserAccount> users = new();
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while (reader.Read())
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{
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users.Add(MapUserAccount(reader));
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}
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return users;
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}
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public UserAccount? GetByUsername(string username)
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{
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using SqlConnection connection = new(_connectionString);
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using SqlCommand command = new(
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"usp_GetUserAccountByUsername",
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connection
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);
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command.CommandType = System.Data.CommandType.StoredProcedure;
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command.Parameters.AddWithValue("@Username", username);
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connection.Open();
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using SqlDataReader reader = command.ExecuteReader();
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return reader.Read() ? MapUserAccount(reader) : null;
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}
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public UserAccount? GetByEmail(string email)
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{
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using SqlConnection connection = new(_connectionString);
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using SqlCommand command = new(
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"usp_GetUserAccountByEmail",
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connection
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);
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command.CommandType = System.Data.CommandType.StoredProcedure;
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command.Parameters.AddWithValue("@Email", email);
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connection.Open();
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using SqlDataReader reader = command.ExecuteReader();
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return reader.Read() ? MapUserAccount(reader) : null;
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}
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private static void AddUserAccountCreateParameters(
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SqlCommand command,
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UserAccount userAccount
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)
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{
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command.Parameters.AddWithValue(
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"@UserAccountId",
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userAccount.UserAccountID
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);
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command.Parameters.AddWithValue("@Username", userAccount.Username);
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command.Parameters.AddWithValue("@FirstName", userAccount.FirstName);
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command.Parameters.AddWithValue("@LastName", userAccount.LastName);
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command.Parameters.AddWithValue("@Email", userAccount.Email);
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command.Parameters.AddWithValue("@DateOfBirth", userAccount.DateOfBirth);
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}
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private static void AddUserAccountUpdateParameters(
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SqlCommand command,
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UserAccount userAccount
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)
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{
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AddUserAccountCreateParameters(command, userAccount);
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command.Parameters.AddWithValue(
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"@UserAccountId",
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userAccount.UserAccountID
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);
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}
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private static UserAccount MapUserAccount(SqlDataReader reader)
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{
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return new UserAccount
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{
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UserAccountID = reader.GetGuid(0),
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Username = reader.GetString(1),
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FirstName = reader.GetString(2),
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LastName = reader.GetString(3),
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Email = reader.GetString(4),
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CreatedAt = reader.GetDateTime(5),
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UpdatedAt = reader.IsDBNull(6) ? null : reader.GetDateTime(6),
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DateOfBirth = reader.GetDateTime(7),
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Timer = reader.IsDBNull(8) ? null : (byte[])reader[8],
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};
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}
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}
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}
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@@ -2,7 +2,7 @@
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using System.Data;
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using Microsoft.Data.SqlClient;
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namespace DataAccessLayer
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namespace DataAccessLayer.Sql
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{
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public class DatabaseHelper
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{
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187
DataAccessLayer/Sql/crud/UserAccount.sql
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187
DataAccessLayer/Sql/crud/UserAccount.sql
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@@ -0,0 +1,187 @@
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USE Biergarten;
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GO
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CREATE OR ALTER PROCEDURE usp_CreateUserAccount
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(
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@UserAccountId UNIQUEIDENTIFIER = NULL,
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@Username VARCHAR(64),
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@FirstName NVARCHAR(128),
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@LastName NVARCHAR(128),
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@DateOfBirth DATETIME,
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@Email VARCHAR(128)
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)
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AS
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BEGIN
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SET NOCOUNT ON
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SET XACT_ABORT ON
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BEGIN TRANSACTION
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INSERT INTO UserAccount
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(
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UserAccountID,
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Username,
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FirstName,
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LastName,
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DateOfBirth,
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Email
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)
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VALUES
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(
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COALESCE(@UserAccountId, NEWID()),
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@Username,
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@FirstName,
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@LastName,
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@DateOfBirth,
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@Email
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);
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COMMIT TRANSACTION
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END;
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GO
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CREATE OR ALTER PROCEDURE usp_DeleteUserAccount
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(
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@UserAccountId UNIQUEIDENTIFIER
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)
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AS
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BEGIN
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SET NOCOUNT ON
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SET XACT_ABORT ON
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BEGIN TRANSACTION
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IF NOT EXISTS (SELECT 1 FROM UserAccount WHERE UserAccountId = @UserAccountId)
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BEGIN
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RAISERROR('UserAccount with the specified ID does not exist.', 16,
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1);
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ROLLBACK TRANSACTION
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RETURN
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END
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DELETE FROM UserAccount
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WHERE UserAccountId = @UserAccountId;
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COMMIT TRANSACTION
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END;
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GO
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CREATE OR ALTER PROCEDURE usp_UpdateUserAccount
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(
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@Username VARCHAR(64),
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@FirstName NVARCHAR(128),
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@LastName NVARCHAR(128),
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@DateOfBirth DATETIME,
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@Email VARCHAR(128),
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@UserAccountId UNIQUEIDENTIFIER
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)
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AS
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BEGIN
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SET NOCOUNT ON
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SET XACT_ABORT ON
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BEGIN TRANSACTION
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IF NOT EXISTS (SELECT 1 FROM UserAccount WHERE UserAccountId = @UserAccountId)
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BEGIN
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RAISERROR('UserAccount with the specified ID does not exist.', 16,
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1);
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ROLLBACK TRANSACTION
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RETURN
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END
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UPDATE UserAccount
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SET
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Username = @Username,
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FirstName = @FirstName,
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LastName = @LastName,
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DateOfBirth = @DateOfBirth,
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Email = @Email
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WHERE UserAccountId = @UserAccountId;
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COMMIT TRANSACTION
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END;
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GO
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CREATE OR ALTER PROCEDURE usp_GetUserAccountById
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(
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@UserAccountId UNIQUEIDENTIFIER
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)
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AS
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BEGIN
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SET NOCOUNT ON;
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SELECT UserAccountID,
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Username,
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FirstName,
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LastName,
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Email,
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CreatedAt,
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UpdatedAt,
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DateOfBirth,
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Timer
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FROM dbo.UserAccount
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WHERE UserAccountID = @UserAccountId;
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END;
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GO
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CREATE OR ALTER PROCEDURE usp_GetAllUserAccounts
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AS
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BEGIN
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SET NOCOUNT ON;
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SELECT UserAccountID,
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Username,
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FirstName,
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LastName,
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Email,
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CreatedAt,
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UpdatedAt,
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DateOfBirth,
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Timer
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FROM dbo.UserAccount;
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END;
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GO
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CREATE OR ALTER PROCEDURE usp_GetUserAccountByUsername
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(
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@Username VARCHAR(64)
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)
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AS
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BEGIN
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SET NOCOUNT ON;
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SELECT UserAccountID,
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Username,
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FirstName,
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LastName,
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Email,
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CreatedAt,
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UpdatedAt,
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DateOfBirth,
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Timer
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FROM dbo.UserAccount
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WHERE Username = @Username;
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END;
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GO
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CREATE OR ALTER PROCEDURE usp_GetUserAccountByEmail
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(
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@Email VARCHAR(128)
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)
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AS
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BEGIN
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SET NOCOUNT ON;
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SELECT UserAccountID,
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Username,
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FirstName,
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LastName,
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Email,
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CreatedAt,
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UpdatedAt,
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DateOfBirth,
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Timer
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FROM dbo.UserAccount
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WHERE Email = @Email;
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END;
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GO
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@@ -1,51 +0,0 @@
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using System;
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using System.Collections.Generic;
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using System.Data;
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using DataAccessLayer.Entities;
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using Microsoft.Data.SqlClient;
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namespace DataAccessLayer
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{
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public class UserAccountRepository : IRepository<UserAccount>
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{
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private readonly string _connectionString;
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public UserAccountRepository()
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{
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// Retrieve the connection string from environment variables
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_connectionString =
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Environment.GetEnvironmentVariable("DB_CONNECTION_STRING")
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?? throw new InvalidOperationException(
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"The connection string is not set in the environment variables."
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);
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}
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public void Add(UserAccount userAccount)
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{
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}
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public UserAccount? GetById(Guid id)
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{
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return null;
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}
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public void Update(UserAccount userAccount)
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{
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}
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public void Delete(Guid id)
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{
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}
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public IEnumerable<UserAccount> GetAll()
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{
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return new List<UserAccount>
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{
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};
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}
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}
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}
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