---
displayed_sidebar: servicesSidebar
---
import ParameterTypes from "@site/src/components/ParameterTypes"
# UserService
Provides layer to manipulate users.
## constructor
### Parameters
___
## Properties
`","description":"","optional":true,"defaultValue":"","expandable":false,"children":[]},{"name":"__moduleDeclaration__","type":"`Record`","description":"","optional":true,"defaultValue":"","expandable":false,"children":[]}]} sectionTitle="UserService"/>
___
## Accessors
### activeManager\_
#### Returns
___
## Methods
### withTransaction
#### Parameters
#### Returns
### shouldRetryTransaction\_
#### Parameters
` \\| `object`","description":"","optional":false,"defaultValue":"","expandable":false,"children":[]}]} sectionTitle="shouldRetryTransaction_"/>
#### Returns
### atomicPhase\_
Wraps some work within a transactional block. If the service already has
a transaction manager attached this will be reused, otherwise a new
transaction manager is created.
#### Type Parameters
#### Parameters
Promise<TResult>","description":"the transactional work to be done","optional":false,"defaultValue":"","expandable":false,"children":[]},{"name":"isolationOrErrorHandler","type":"`IsolationLevel` \\| (`error`: TError) => Promise<void \\| TResult>","description":"the isolation level to be used for the work.","optional":true,"defaultValue":"","expandable":false,"children":[]},{"name":"maybeErrorHandlerOrDontFail","type":"(`error`: TError) => Promise<void \\| TResult>","description":"Potential error handler","optional":true,"defaultValue":"","expandable":false,"children":[]}]} sectionTitle="atomicPhase_"/>
#### Returns
### list
#### Parameters
#### Returns
### listAndCount
#### Parameters
#### Returns
### retrieve
Gets a user by id.
Throws in case of DB Error and if user was not found.
#### Parameters
#### Returns
### retrieveByApiToken
Gets a user by api token.
Throws in case of DB Error and if user was not found.
#### Parameters
#### Returns
### retrieveByEmail
Gets a user by email.
Throws in case of DB Error and if user was not found.
#### Parameters
#### Returns
### hashPassword\_
Hashes a password
#### Parameters
#### Returns
### create
Creates a user with username being validated.
Fails if email is not a valid format.
#### Parameters
#### Returns
### update
Updates a user.
#### Parameters
#### Returns
### delete
Deletes a user from a given user id.
#### Parameters
#### Returns
### setPassword\_
Sets a password for a user
Fails if no user exists with userId and if the hashing of the new
password does not work.
#### Parameters
#### Returns
### generateResetPasswordToken
Generate a JSON Web token, that will be sent to a user, that wishes to
reset password.
The token will be signed with the users current password hash as a secret
a long side a payload with userId and the expiry time for the token, which
is always 15 minutes.
#### Parameters
#### Returns