birbmap/Birdmap.DAL/DbInitializer.cs

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2020-10-31 15:57:19 +01:00
using Birdmap.DAL.Entities;
using Microsoft.Extensions.Configuration;
using Microsoft.Extensions.Logging;
using System;
using System.Linq;
using static Birdmap.Common.PasswordHelper;
namespace Birdmap.DAL
{
public class DbInitializer
{
private readonly BirdmapContext _context;
private readonly IConfiguration _configuration;
private readonly ILogger<DbInitializer> _logger;
public DbInitializer(BirdmapContext context, IConfiguration configuration, ILogger<DbInitializer> logger)
{
_context = context;
_configuration = configuration;
_logger = logger;
}
public void Initialize()
{
EnsureCreated();
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AddDefaultUsers();
AddDefaultServices();
}
private void EnsureCreated()
{
_logger.LogInformation("Ensuring database is created...");
_context.Database.EnsureCreated();
}
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private void AddDefaultServices()
{
_logger.LogInformation("Removing previously added default services...");
var alreadyAddedDefaultServices = _context.Services.Where(s => s.IsFromConfig);
_context.Services.RemoveRange(alreadyAddedDefaultServices);
_logger.LogInformation("Adding new default services...");
foreach (var service in _configuration.GetSection("Defaults:Services").GetChildren())
{
_context.Services.Add(new Service
{
Name = service.Key,
Uri = new Uri(service.Value),
IsFromConfig = true,
});
}
_context.SaveChanges();
}
private void AddDefaultUsers()
{
_logger.LogInformation("Removing previously added default users...");
var alreadyAddedDefaultUsers = _context.Users.Where(s => s.IsFromConfig);
_context.Users.RemoveRange(alreadyAddedDefaultUsers);
var users = _configuration.GetSection("Defaults:Users").GetChildren()
.Select(c => new
{
Name = c.GetValue<string>("Name"),
Password = c.GetValue<string>("Password"),
Role = Enum.Parse<Roles>(c.GetValue<string>("Role"))
});
_logger.LogInformation("Adding new default users...");
foreach (var user in users)
{
CreatePasswordHash(user.Password, out var hash, out var salt);
_context.Users.Add(new User
{
Name = user.Name,
PasswordHash = hash,
PasswordSalt = salt,
Role = user.Role,
IsFromConfig = true,
});
}
_context.SaveChanges();
}
}
}