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user.go
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user.go
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//
// Copyright 2023 The Chainloop Authors.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package biz
import (
"context"
"errors"
"fmt"
"time"
"github.com/go-kratos/kratos/v2/log"
"github.com/google/uuid"
)
type User struct {
ID string
Email string
CreatedAt *time.Time
}
type UserRepo interface {
CreateByEmail(ctx context.Context, email string) (*User, error)
FindByEmail(ctx context.Context, email string) (*User, error)
FindByID(ctx context.Context, userID uuid.UUID) (*User, error)
Delete(ctx context.Context, userID uuid.UUID) error
}
type UserOrgFinder interface {
FindByID(ctx context.Context, userID string) (*User, error)
CurrentOrg(ctx context.Context, userID string) (*Organization, error)
}
type UserUseCase struct {
userRepo UserRepo
logger *log.Helper
membershipUseCase *MembershipUseCase
organizationUseCase *OrganizationUseCase
}
type NewUserUseCaseParams struct {
UserRepo UserRepo
MembershipUseCase *MembershipUseCase
OrganizationUseCase *OrganizationUseCase
Logger log.Logger
}
func NewUserUseCase(opts *NewUserUseCaseParams) *UserUseCase {
return &UserUseCase{
userRepo: opts.UserRepo,
membershipUseCase: opts.MembershipUseCase,
organizationUseCase: opts.OrganizationUseCase,
logger: log.NewHelper(opts.Logger),
}
}
// DeleteUser deletes the user, related memberships and organization if needed
func (uc *UserUseCase) DeleteUser(ctx context.Context, userID string) error {
uc.logger.Infow("msg", "Deleting Account", "user_id", userID)
memberships, err := uc.membershipUseCase.ByUser(ctx, userID)
if err != nil {
return err
}
// Iterate on user memberships, delete org if the user is the only member
for _, m := range memberships {
if err := uc.membershipUseCase.DeleteWithOrg(ctx, userID, m.ID.String()); err != nil {
return fmt.Errorf("failed to delete membership: %w", err)
}
}
userUUID, err := uuid.Parse(userID)
if err != nil {
return NewErrInvalidUUID(err)
}
uc.logger.Infow("msg", "User deleted", "user_id", userID)
return uc.userRepo.Delete(ctx, userUUID)
}
func (uc *UserUseCase) FindOrCreateByEmail(ctx context.Context, email string) (*User, error) {
u, err := uc.userRepo.FindByEmail(ctx, email)
if err != nil {
return nil, err
} else if u != nil {
return u, nil
}
return uc.userRepo.CreateByEmail(ctx, email)
}
func (uc *UserUseCase) FindByID(ctx context.Context, userID string) (*User, error) {
userUUID, err := uuid.Parse(userID)
if err != nil {
return nil, NewErrInvalidUUID(err)
}
return uc.userRepo.FindByID(ctx, userUUID)
}
// Find the organization associated with the user that's marked as current
func (uc *UserUseCase) CurrentOrg(ctx context.Context, userID string) (*Organization, error) {
memberships, err := uc.membershipUseCase.ByUser(ctx, userID)
if err != nil {
return nil, err
}
// there is no current organization
if len(memberships) == 0 {
return nil, errors.New("user does not have any organization associated")
}
// By default we set the first one
currentOrg := memberships[0].OrganizationID
for _, m := range memberships {
// Override if it's being explicitly selected
if m.Current {
currentOrg = m.OrganizationID
break
}
}
return uc.organizationUseCase.FindByID(ctx, currentOrg.String())
}