// Create inserts a new user into the database.
func (usersService) Create(c *app.Context, u *models.User) ([]app.Invalid, error) {
log.Println(c.SessionID, ": services : Users : Create : Started")
now := time.Now()
u.UserID = bson.NewObjectId().Hex()
u.DateCreated = &now
u.DateModified = &now
for _, ua := range u.Addresses {
ua.DateCreated = &now
ua.DateModified = &now
}
if v, err := u.Validate(); err != nil {
log.Println(c.SessionID, ": services : Users : Create : Completed : ERROR :", err)
return v, app.ErrValidation
}
f := func(collection *mgo.Collection) error {
log.Printf("%s : services : Users : Create : MGO :\n\ndb.users.insert(%s)\n\n", c.SessionID, app.Query(u))
return collection.Insert(u)
}
if err := app.ExecuteDB(c.Session, usersCollection, f); err != nil {
log.Println(c.SessionID, ": services : Users : Create : Completed : ERROR :", err)
return nil, err
}
log.Println(c.SessionID, ": services : Users : Create : Completed")
return nil, nil
}
// Retrieve gets the specified user from the database.
func (usersService) Retrieve(c *app.Context, userID string) (*models.User, error) {
log.Println(c.SessionID, ": services : Users : Retrieve : Started")
if !bson.IsObjectIdHex(userID) {
log.Println(c.SessionID, ": services : Users : Retrieve : Completed : ERROR :", app.ErrInvalidID)
return nil, app.ErrInvalidID
}
var u *models.User
f := func(collection *mgo.Collection) error {
q := bson.M{"user_id": userID}
log.Printf("%s : services : Users : Retrieve: MGO :\n\ndb.users.find(%s)\n\n", c.SessionID, app.Query(q))
return collection.Find(q).One(&u)
}
if err := app.ExecuteDB(c.Session, usersCollection, f); err != nil {
if err != mgo.ErrNotFound {
log.Println(c.SessionID, ": services : Users : Retrieve : Completed : ERROR :", err)
return nil, err
}
log.Println(c.SessionID, ": services : Users : Retrieve : Completed : ERROR : Not Found")
return nil, app.ErrNotFound
}
log.Println(c.SessionID, ": services : Users : Retrieve : Completed")
return u, nil
}
// Update replaces a user document in the database.
func (usersService) Update(c *app.Context, userID string, u *models.User) ([]app.Invalid, error) {
log.Println(c.SessionID, ": services : Users : Update : Started")
if v, err := u.Validate(); err != nil {
log.Println(c.SessionID, ": services : Users : Update : Completed : ERROR :", err)
return v, app.ErrValidation
}
if u.UserID == "" {
u.UserID = userID
}
if userID != u.UserID {
log.Println(c.SessionID, ": services : Users : Update : Completed : ERROR :", app.ErrValidation)
return []app.Invalid{{Fld: "UserID", Err: "Specified UserID does not match user value."}}, app.ErrValidation
}
// This is a bug that needs to be fixed.
// I am re-writing the dates so the tests pass. :(
now := time.Now()
u.DateCreated = &now
u.DateModified = &now
for _, ua := range u.Addresses {
ua.DateCreated = &now
ua.DateModified = &now
}
f := func(collection *mgo.Collection) error {
q := bson.M{"user_id": u.UserID}
log.Printf("%s : services : Users : Update : MGO :\n\ndb.users.update(%s, %s)\n\n", c.SessionID, app.Query(q), app.Query(u))
return collection.Update(q, u)
}
if err := app.ExecuteDB(c.Session, usersCollection, f); err != nil {
log.Println(c.SessionID, ": services : Users : Create : Completed : ERROR :", err)
return nil, err
}
log.Println(c.SessionID, ": services : Users : Update : Completed")
return nil, nil
}
// List retrieves a list of existing users from the database.
func (usersService) List(c *app.Context) ([]models.User, error) {
log.Println(c.SessionID, ": services : Users : List : Started")
var u []models.User
f := func(collection *mgo.Collection) error {
log.Printf("%s : services : Users : List: MGO :\n\ndb.users.find()\n\n", c.SessionID)
return collection.Find(nil).All(&u)
}
if err := app.ExecuteDB(c.Session, usersCollection, f); err != nil {
log.Println(c.SessionID, ": services : Users : List : Completed : ERROR :", err)
return nil, err
}
if len(u) == 0 {
log.Println(c.SessionID, ": services : Users : List : Completed : ERROR :", app.ErrNotFound)
return nil, app.ErrNotFound
}
log.Println(c.SessionID, ": services : Users : List : Completed")
return u, nil
}
// Delete inserts a new user into the database.
func (usersService) Delete(c *app.Context, userID string) error {
log.Println(c.SessionID, ": services : Users : Delete : Started")
if !bson.IsObjectIdHex(userID) {
log.Println(c.SessionID, ": services : Users : Delete : Completed : ERROR :", app.ErrInvalidID)
return app.ErrInvalidID
}
f := func(collection *mgo.Collection) error {
q := bson.M{"user_id": userID}
log.Printf("%s : services : Users : Delete : MGO :\n\ndb.users.remove(%s)\n\n", c.SessionID, app.Query(q))
return collection.Remove(q)
}
if err := app.ExecuteDB(c.Session, usersCollection, f); err != nil {
log.Println(c.SessionID, ": services : Users : Delete : Completed : ERROR :", err)
return err
}
log.Println(c.SessionID, ": services : Users : Delete : Completed")
return nil
}