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resolvers.js
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resolvers.js
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import { AuthenticationError, UserInputError } from 'apollo-server-micro'
import { createUser, findUser, validatePassword } from '../lib/user'
import { setLoginSession, getLoginSession } from '../lib/auth'
import { removeTokenCookie } from '../lib/auth-cookies'
export const resolvers = {
Query: {
async viewer(_parent, _args, context, _info) {
try {
const session = await getLoginSession(context.req)
if (session) {
return findUser({ email: session.email })
}
} catch (error) {
throw new AuthenticationError(
'Authentication token is invalid, please log in'
)
}
},
},
Mutation: {
async signUp(_parent, args, _context, _info) {
const user = await createUser(args.input)
return { user }
},
async signIn(_parent, args, context, _info) {
const user = await findUser({ email: args.input.email })
if (user && validatePassword(user, args.input.password)) {
const session = {
id: user.id,
email: user.email,
}
await setLoginSession(context.res, session)
return { user }
}
throw new UserInputError('Invalid email and password combination')
},
async signOut(_parent, _args, context, _info) {
removeTokenCookie(context.res)
return true
},
},
}