se agregaron caso-esp, cust-alum, helpers

src/auth/auth.service.ts

@@ -1,31 +1,62 @@
 import { Injectable, UnauthorizedException } from '@nestjs/common';
 import { JwtService } from '@nestjs/jwt';
+import { bcrypt } from 'bcrypt';
+
 
 @Injectable()
 export class AuthService {
   constructor(private readonly jwtService: JwtService) {}
 
-    async jwtVerificar(token:string){
-        try{
-        const payload= this.jwtService.verify(token)
-        return payload;
-        }catch(err){
-            if (err.name === 'TokenExpiredError') {
-                throw new UnauthorizedException('El token ha expirado');
-              } else if (err.name === 'JsonWebTokenError') {
-                throw new UnauthorizedException('Token inválido');
-              } else {
-                throw new UnauthorizedException('Error al verificar el token');
-              }
-        }
+  async jwtVerificar(token:string){
+      try{
+      const payload= this.jwtService.verify(token)
+      return payload;
+      }catch(err){
+          if (err.name === 'TokenExpiredError') {
+              throw new UnauthorizedException('El token ha expirado');
+            } else if (err.name === 'JsonWebTokenError') {
+              throw new UnauthorizedException('Token inválido');
+            } else {
+              throw new UnauthorizedException('Error al verificar el token');
+            }
+      }
+     
+  }
 
-       
+  async jwtCreate(idUsuario: number, idTipoUsuario:number) {
+      const payload = { Usuario:idUsuario , tipoUsuario: idTipoUsuario };
+      return {
+      access_token: this.jwtService.sign(payload),
+      };
+  }
+
+  async comparar(password,dbPassword){
+    if (!bcrypt.compareSync(password, dbPassword)){
+      return false
+    }else{
+      return true;
+    }
+  }
+
+  async encriptar(password){
+    bcrypt.hashSync(password, Number(process.env.SALT_ROUNDS))
+  }
+
+  async generarPassword(){
+    const length = 8;
+    const charset =
+    'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789';
+    let password = '';
+
+    for (let i = 0, n = charset.length; i < length; ++i){
+      password += charset.charAt(Math.floor(Math.random() * n))
     }
 
-    async jwtCreate(idUsuario: number, idTipoUsuario:number) {
-        const payload = { Usuario:idUsuario , tipoUsuario: idTipoUsuario };
-        return {
-        access_token: this.jwtService.sign(payload),
-        };
-    }
+    return password;
+  }
+
+
+
+
+
 }