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user_repo.go
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/
user_repo.go
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// Copyright 2021 Monoskope 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 repositories
import (
"context"
"sort"
projectionsApi "github.com/finleap-connect/monoskope/pkg/api/domain/projections"
"github.com/finleap-connect/monoskope/pkg/domain/errors"
projections "github.com/finleap-connect/monoskope/pkg/domain/projections"
es "github.com/finleap-connect/monoskope/pkg/eventsourcing"
esErrors "github.com/finleap-connect/monoskope/pkg/eventsourcing/errors"
"github.com/google/uuid"
)
type userRepository struct {
es.Repository
roleBindingRepo UserRoleBindingRepository
}
// Repository is a repository for reading and writing user projections.
type UserRepository interface {
es.Repository
ReadOnlyUserRepository
WriteOnlyUserRepository
}
// ReadOnlyUserRepository is a repository for reading user projections.
type ReadOnlyUserRepository interface {
// ById searches for the a user projection by it's id.
ByUserId(context.Context, uuid.UUID) (*projections.User, error)
// ByEmail searches for the a user projection by it's email address.
ByEmail(context.Context, string) (*projections.User, error)
// GetAll searches for all user projection.
GetAll(context.Context, bool) ([]*projections.User, error)
// GetCount returns the user count
GetCount(context.Context, bool) (int, error)
}
// WriteOnlyUserRepository is a repository for writing user projections.
type WriteOnlyUserRepository interface {
}
// NewUserRepository creates a repository for reading and writing user projections.
func NewUserRepository(repository es.Repository, roleBindingRepo UserRoleBindingRepository) UserRepository {
return &userRepository{
Repository: repository,
roleBindingRepo: roleBindingRepo,
}
}
func (r *userRepository) addRolesToUser(ctx context.Context, user *projections.User) error {
// Find roles of user
roles, err := r.roleBindingRepo.ByUserId(ctx, user.ID())
if err != nil {
return err
}
user.Roles = toProtoRoles(roles)
return nil
}
func toProtoRoles(roles []*projections.UserRoleBinding) []*projectionsApi.UserRoleBinding {
var mapped []*projectionsApi.UserRoleBinding
for _, role := range roles {
mapped = append(mapped, role.Proto())
}
return mapped
}
// ById searches for the a user projection by it's id.
func (r *userRepository) ByUserId(ctx context.Context, id uuid.UUID) (*projections.User, error) {
projection, err := r.ById(ctx, id)
if err != nil {
return nil, err
}
if user, ok := projection.(*projections.User); !ok {
return nil, esErrors.ErrInvalidProjectionType
} else {
// Find roles of user
err = r.addRolesToUser(ctx, user)
if err != nil {
return nil, err
}
return user, nil
}
}
// ByEmail searches for the a user projection by it's email address.
func (r *userRepository) ByEmail(ctx context.Context, email string) (*projections.User, error) {
ps, err := r.GetAll(ctx, true)
if err != nil {
return nil, err
}
for _, u := range ps {
if email == u.Email {
return u, nil
}
}
return nil, errors.ErrUserNotFound
}
// All searches for all user projections.
func (r *userRepository) GetAll(ctx context.Context, includeDeleted bool) ([]*projections.User, error) {
ps, err := r.All(ctx)
if err != nil {
return nil, err
}
var users []*projections.User
for _, p := range ps {
if u, ok := p.(*projections.User); ok {
// Find roles of user
err = r.addRolesToUser(ctx, u)
if err != nil {
return nil, err
}
if !u.GetDeleted().IsValid() || includeDeleted {
users = append(users, u)
}
}
}
sort.Slice(users, func(i, j int) bool {
return users[i].Name > users[j].Name
})
return users, nil
}
// All searches for all user projections.
func (r *userRepository) GetCount(ctx context.Context, includeDeleted bool) (int, error) {
users, err := r.GetAll(ctx, includeDeleted)
if err != nil {
return 0, err
}
return len(users), nil
}