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