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user.go
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user.go
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package postgres
import (
"context"
"database/sql"
"time"
"github.com/partyzanex/go-admin-bootstrap/db/models/postgres"
"github.com/partyzanex/layer"
"github.com/pkg/errors"
"github.com/volatiletech/sqlboiler/boil"
"github.com/volatiletech/sqlboiler/queries/qm"
goadmin "github.com/partyzanex/go-admin-bootstrap"
)
type userRepository struct {
ex layer.BoilExecutor
}
func NewUserRepository(ex layer.BoilExecutor) goadmin.UserRepository {
return &userRepository{ex: ex}
}
func (repo *userRepository) Search(ctx context.Context, filter *goadmin.UserFilter) ([]*goadmin.User, error) {
mods := repo.applyFilter(filter, []qm.QueryMod{
qm.OrderBy("id"),
})
c, ex := layer.GetExecutor(ctx, repo.ex)
models, err := postgres.Users(mods...).All(c, ex)
if err != nil && err != sql.ErrNoRows {
return nil, errors.Wrap(err, "search users failed")
}
users := make([]*goadmin.User, len(models))
for i, model := range models {
users[i] = modelToUser(model)
}
return users, nil
}
func (repo *userRepository) Count(ctx context.Context, filter *goadmin.UserFilter) (int64, error) {
var mods []qm.QueryMod
if filter != nil {
f := *filter
f.Limit = 0
mods = repo.applyFilter(&f, mods)
}
c, ex := layer.GetExecutor(ctx, repo.ex)
count, err := postgres.Users(mods...).Count(c, ex)
if err != nil {
return 0, errors.Wrap(err, "getting count of users failed")
}
return count, nil
}
func (*userRepository) applyFilter(filter *goadmin.UserFilter, mods []qm.QueryMod) []qm.QueryMod {
if mods == nil {
mods = []qm.QueryMod{}
}
if filter != nil {
if n := len(filter.IDs); n > 0 {
ids := make([]interface{}, n)
for i, id := range filter.IDs {
ids[i] = id
}
mods = append(mods, qm.WhereIn("id in ?", ids...))
}
if filter.Name != "" {
clause := "%" + filter.Name + "%"
mods = append(mods, qm.Where("name like ?", clause))
}
if filter.Status != "" {
mods = append(mods, qm.Where("status = ?", filter.Status))
}
if filter.Login != "" {
mods = append(mods, qm.Where("login = ?", filter.Login))
}
if filter.Limit > 0 {
mods = append(mods, qm.Limit(filter.Limit))
if filter.Offset >= 0 {
mods = append(mods, qm.Offset(filter.Offset))
}
}
}
return mods
}
func (repo *userRepository) Create(ctx context.Context, user goadmin.User) (result *goadmin.User, err error) {
c, tr := layer.GetTransactor(ctx)
if tr == nil {
tr, err = repo.ex.BeginTx(ctx, nil)
if err != nil {
return nil, errors.Wrap(err, layer.ErrCreateTransaction.Error())
}
defer func() {
errTr := layer.ExecuteTransaction(tr, err)
if errTr != nil {
err = errors.Wrap(errTr, "transaction error")
}
}()
}
model := userToModel(&user)
model.DTCreated = time.Now()
err = model.Insert(c, tr, boil.Infer())
if err != nil {
return nil, errors.Wrap(err, "inserting user failed")
}
return modelToUser(model), nil
}
func (repo *userRepository) Update(ctx context.Context, user goadmin.User) (result *goadmin.User, err error) {
c, tr := layer.GetTransactor(ctx)
if tr == nil {
tr, err = repo.ex.BeginTx(ctx, nil)
if err != nil {
return nil, errors.Wrap(err, layer.ErrCreateTransaction.Error())
}
defer func() {
errTr := layer.ExecuteTransaction(tr, err)
if errTr != nil {
err = errors.Wrap(errTr, "transaction error")
}
}()
}
model := userToModel(&user)
model.DTUpdated = time.Now()
_, err = model.Update(c, tr, boil.Infer())
if err != nil {
return nil, errors.Wrap(err, "updating user failed")
}
return modelToUser(model), err
}
func (repo *userRepository) Delete(ctx context.Context, user goadmin.User) (err error) {
if user.ID == 0 {
return goadmin.ErrRequiredUserID
}
c, tr := layer.GetTransactor(ctx)
if tr == nil {
tr, err = repo.ex.BeginTx(ctx, nil)
if err != nil {
return errors.Wrap(err, layer.ErrCreateTransaction.Error())
}
defer func() {
errTr := layer.ExecuteTransaction(tr, err)
if errTr != nil {
err = errors.Wrap(errTr, "transaction error")
}
}()
}
model, err := postgres.Users(qm.Where("id = ?", user.ID)).One(c, tr)
if err == sql.ErrNoRows {
return goadmin.ErrUserNotFound
}
if err != nil {
return errors.Wrap(err, "search user failed")
}
_, err = model.Delete(c, tr)
if err != nil {
return errors.Wrap(err, "deleting user failed")
}
return
}
func modelToUser(model *postgres.User) *goadmin.User {
user := &goadmin.User{
ID: model.ID,
Login: model.Login,
Password: model.Password,
Status: goadmin.UserStatus(model.Status),
Name: model.Name,
Role: goadmin.UserRole(model.Role),
DTCreated: model.DTCreated,
DTUpdated: model.DTUpdated,
DTLastLogged: model.DTLastLogged,
PasswordIsEncoded: true,
Current: false,
}
return user
}
func userToModel(user *goadmin.User) *postgres.User {
model := &postgres.User{
ID: user.ID,
Login: user.Login,
Password: user.Password,
Status: string(user.Status),
Name: user.Name,
Role: string(user.Role),
DTCreated: user.DTCreated,
DTUpdated: user.DTUpdated,
DTLastLogged: user.DTLastLogged,
}
return model
}