DamageAssessment_Backend/DamageAssesmentApi/DamageAssesment.Api.UsersAccess/Providers/UserAccessProvider.cs

306 lines
13 KiB
C#

using AutoMapper;
using DamageAssesment.Api.UsersAccess.Db;
using DamageAssesment.Api.UsersAccess.Interfaces;
using DamageAssesment.Api.UsersAccess.Models;
using Microsoft.EntityFrameworkCore;
using Microsoft.Extensions.Options;
using Microsoft.IdentityModel.Tokens;
using System.Data;
using System.IdentityModel.Tokens.Jwt;
using System.Security.Claims;
using System.Text;
namespace DamageAssesment.Api.UsersAccess.Providers
{
public class UsersAccessProvider : IUsersAccessProvider
{
private readonly UsersAccessDbContext userAccessDbContext;
private readonly ILogger<UsersAccessProvider> logger;
private readonly IMapper mapper;
//private readonly IEmployeeServiceProvider employeeServiceProvider;
private readonly JwtSettings jwtSettings;
private readonly ITokenServiceProvider tokenServiceProvider;
public UsersAccessProvider(IOptions<JwtSettings> options, ITokenServiceProvider tokenServiceProvider, UsersAccessDbContext userAccessDbContext, IEmployeeServiceProvider employeeServiceProvider, ILogger<UsersAccessProvider> logger, IMapper mapper)
{
this.userAccessDbContext = userAccessDbContext;
//this.employeeServiceProvider = employeeServiceProvider;
this.logger = logger;
this.mapper = mapper;
jwtSettings = options.Value;
this.tokenServiceProvider = tokenServiceProvider;
// seedData();
}
public void seedData()
{
if (!userAccessDbContext.Users.Any())
{
userAccessDbContext.Users.Add(new Db.User { Id = 1, EmployeeId = 1, EmployeeCode = "Emp1", RoleId = 1, IsActive = true, CreateDate = DateTime.Now });
userAccessDbContext.Users.Add(new Db.User { Id = 2, EmployeeId = 2, EmployeeCode = "Emp2", RoleId = 2, IsActive = true, CreateDate = DateTime.Now });
userAccessDbContext.Users.Add(new Db.User { Id = 3, EmployeeId = 3, EmployeeCode = "Emp3", RoleId = 3, IsActive = true, CreateDate = DateTime.Now });
userAccessDbContext.SaveChanges();
}
if (!userAccessDbContext.Roles.Any())
{
userAccessDbContext.Roles.Add(new Db.Role { Id = 1, Name = "admin", Description ="Administrator role have full access" });
userAccessDbContext.Roles.Add(new Db.Role { Id = 2, Name = "user", Description =" User role"});
userAccessDbContext.Roles.Add(new Db.Role { Id = 3, Name = "survey", Description ="Survey role" });
userAccessDbContext.Roles.Add(new Db.Role { Id = 4, Name = "report", Description ="Report role"});
userAccessDbContext.Roles.Add(new Db.Role { Id = 5, Name = "document", Description ="Document role" });
userAccessDbContext.SaveChanges();
}
}
public async Task<(bool IsSuccess, IEnumerable<Models.User> Users, string ErrorMessage)> GetUsersAsync()
{
try
{
logger?.LogInformation("Gell all Users from DB");
var users = await userAccessDbContext.Users.ToListAsync();
if (users != null)
{
logger?.LogInformation($"{users.Count} Items(s) found");
var result = mapper.Map<IEnumerable<Db.User>, IEnumerable<Models.User>>(users);
return (true, result, null);
}
return (false, null, "Not found");
}
catch (Exception ex)
{
logger?.LogError(ex.ToString());
return (false, null, ex.Message);
}
}
public async Task<(bool IsSuccess, Models.User User, string ErrorMessage)> GetUsersAsync(int Id)
{
try
{
logger?.LogInformation("Querying Users table");
var user = await userAccessDbContext.Users.SingleOrDefaultAsync(s => s.Id == Id);
if (user != null)
{
logger?.LogInformation($"User Id: {Id} found");
var result = mapper.Map<Db.User, Models.User>(user);
return (true, result, null);
}
return (false, null, "Not found");
}
catch (Exception ex)
{
logger?.LogError(ex.ToString());
return (false, null, ex.Message);
}
}
public async Task<(bool IsSuccess, Models.User User, string ErrorMessage)> PostUserAsync(Models.User user)
{
try
{
if (user != null)
{
var _user = mapper.Map<Models.User, Db.User>(user);
userAccessDbContext.Users.Add(_user);
user.Id = _user.Id;
await userAccessDbContext.SaveChangesAsync();
return (true, user, "Successful");
}
else
{
logger?.LogInformation($"null object cannot be added");
return (false, null, $"null object cannot be added");
}
}
catch (Exception ex)
{
logger?.LogError(ex.ToString());
return (false, null, ex.Message);
}
}
public async Task<(bool IsSuccess, Models.User User, string ErrorMessage)> PutUserAsync(int Id, Models.User user)
{
try
{
if (user != null)
{
var _user = await userAccessDbContext.Users.AsNoTracking().Where(s => s.Id == Id).SingleOrDefaultAsync();
if (_user != null)
{
int count = userAccessDbContext.Users.Where(u => u.Id != user.Id).Count();
if (count == 0)
{
await userAccessDbContext.SaveChangesAsync();
logger?.LogInformation($"Employee Id: {user.EmployeeId} updated successfuly");
return (true, mapper.Map<Db.User, Models.User>(_user), $"Employee Id: {_user.EmployeeId} updated successfuly");
}
else
{
logger?.LogInformation($"Employee Id: {user.EmployeeId} is already exist");
return (false, null, $"Employee Id: {user.EmployeeId} is already exist");
}
}
else
{
logger?.LogInformation($"User Id : {Id} Not found");
return (false, null, "Not Found");
}
}
else
{
logger?.LogInformation($"User Id: {Id} Bad Request");
return (false, null, "Bad request");
}
}
catch (Exception ex)
{
logger?.LogError(ex.ToString());
return (false, null, ex.Message);
}
}
public async Task<(bool IsSuccess, Models.User User, string ErrorMessage)> DeleteUserAsync(int Id)
{
try
{
var user = await userAccessDbContext.Users.Where(x => x.Id == Id).SingleOrDefaultAsync();
if (user != null)
{
userAccessDbContext.Users.Remove(user);
await userAccessDbContext.SaveChangesAsync();
logger?.LogInformation($"User Id: {Id} deleted Successfuly");
return (true, mapper.Map<Db.User, Models.User>(user), $"User Id: {Id} deleted Successfuly");
}
else
{
logger?.LogInformation($"User Id : {Id} Not found");
return (false, null, "Not Found");
}
}
catch (Exception ex)
{
logger?.LogError(ex.ToString());
return (false, null, ex.Message);
}
}
public async Task<(bool IsSuccess, TokenResponse TokenResponse, string ErrorMessage)> AuthenticateAsync(string employecode)
{
if (employecode != null)
{
//implementation for dadeschools authentication
// var employees = await employeeServiceProvider.getEmployeesAsync();
// var employee = employees.Where(e=> e.EmployeeCode.ToLower() == employecode.ToLower()).SingleOrDefault();
var user = userAccessDbContext.Users.Where(x => x.IsActive == true && x.EmployeeCode.ToLower() == employecode.ToLower()).SingleOrDefault();
if (user != null)
{
var r = await GetRolesAsync();
var role = r.Roles.Where(x => x.Id == user.RoleId).SingleOrDefault();
var authClaims = new List<Claim> {
new Claim(ClaimTypes.Name, user.EmployeeCode),
new Claim(ClaimTypes.Role, role.Name),
new Claim(JwtRegisteredClaimNames.Jti,Guid.NewGuid().ToString())
};
/// Generate Token
var tokenhandler = new JwtSecurityTokenHandler();
var tokenkey = Encoding.UTF8.GetBytes(jwtSettings.securitykey);
var tokendesc = new SecurityTokenDescriptor
{
Audience = "",
NotBefore = DateTime.Now,
Subject = new ClaimsIdentity(authClaims),
Expires = DateTime.Now.AddMinutes(30),
SigningCredentials = new SigningCredentials(new SymmetricSecurityKey(tokenkey), SecurityAlgorithms.HmacSha256)
};
var token = tokenhandler.CreateToken(tokendesc);
string finaltoken = tokenhandler.WriteToken(token);
var response = new TokenResponse() { jwttoken = finaltoken, refreshtoken = await tokenServiceProvider.GenerateToken(mapper.Map<Db.User,Models.User>(user)) };
return (true, response, "Authentication success and token issued.");
}
else
{
return (false, null, "user inactive or not exist.");
}
}
else
{
return (false, null, "Credentials are required to authenticate.");
}
}
public async Task<(bool IsSuccess, IEnumerable<Models.Role> Roles, string ErrorMessage)> GetRolesAsync()
{
try
{
logger?.LogInformation("Gell all Roles from DB");
var roles = await userAccessDbContext.Roles.ToListAsync();
if (roles != null)
{
logger?.LogInformation($"{roles.Count} Items(s) found");
var result = mapper.Map<IEnumerable<Db.Role>, IEnumerable<Models.Role>>(roles);
return (true, result, null);
}
return (false, null, "Not found");
}
catch (Exception ex)
{
logger?.LogError(ex.ToString());
return (false, null, ex.Message);
}
}
public async Task<(bool IsSuccess, Models.TokenResponse TokenResponse, string ErrorMessage)> RefreshTokenAsync(TokenResponse tokenResponse)
{
//Generate token
var tokenhandler = new JwtSecurityTokenHandler();
var tokenkey = Encoding.UTF8.GetBytes(this.jwtSettings.securitykey);
SecurityToken securityToken;
var principal = tokenhandler.ValidateToken(tokenResponse.jwttoken, new TokenValidationParameters
{
ValidateIssuerSigningKey = true,
IssuerSigningKey = new SymmetricSecurityKey(tokenkey),
ValidateIssuer = false,
ValidateAudience = false,
}, out securityToken);
var token = securityToken as JwtSecurityToken;
if (token != null && !token.Header.Alg.Equals(SecurityAlgorithms.HmacSha256))
{
return (false, null, "Unauthorized");
}
var username = principal.Identity?.Name;
var tokens = await userAccessDbContext.Tokens.ToListAsync();
var users = await userAccessDbContext.Users.ToListAsync();
var user = (from u in users
join t in tokens
on u.Id equals t.UserId
where u.EmployeeId == 1
&& t.RefreshToken == tokenResponse.refreshtoken
select u).FirstOrDefault();
if (user == null)
return (false, null, "Invalid Token Response object provided");
var _user = mapper.Map<Db.User, Models.User>(user);
var response = tokenServiceProvider.TokenAuthenticate(_user, principal.Claims.ToArray()).Result;
return (true, response, "Token authenticated and refreshed.");
}
}
}