Modification of the Treasure Model and new validations

Here is the lesson code:

Model Treasure {
	String name
	Double latitude
	Double longitude
	Integer points
	Bool hasBeenFound value(false)
	User creator
	User win
	Array participants
}

Module Accounts {
    User getLocalPersistedUser () {
        User user

        if (broker.localPersistence.hasKey("loggedUserName")) {
            user = User()
            user.name = broker.localPersistence.get("loggedUserName")
            user.score = broker.localPersistence.get("loggedUserScore")
            user.password = broker.localKeychain.get("loggedUserPassword")

            user = Accounts.performLogin(user.name, user.password)
        }

        return user
    }
    
    Bool validateTreasureName (String treasureName) {
        Filter filter = Filter(modelName: "Treasure")
        filter.equalTo("name", treasureName)
        Array treasures = broker.cloudPersistence.getWithFilter(filter)

        if (treasures.size() > 0) {
            return false
        }

        return true
    }
}

RuleContext CreateTreasureContext {
    Rule createTreasure {
        CreateTreasure ct = broker.ui.getDataSource()

        if (ct.name != null && ct.name != “” && ct.latitude != null && ct.longitude != null && ct.points.selected().size() > 0) {
            if (Accounts.validateTreasureName(ct.name)) {
                Treasure newTreasure = Treasure()
                newTreasure.name = ct.name
	    newTreasure.latitude = ct.latitude
                newTreasure.longitude = ct.longitude

	    newTreasure.creator = loggedUser

                Integer index = ct.points.selected().get(0)
                newTreasure.points = ct.points.get(index)

                broker.cloudPersistence.save(newTreasure)
             
                broker.ui.showAlert(“Yeah!”, "Thanks for adding a new treasure.")
                
            } else {
                broker.ui.showAlert("Oops", "Please select a different name, this name is already in use.")
            }
            
        } else {
            broker.ui.showAlert("Oops", "Please, complete all the fields.")
        }
    }
}

Module Accounts {
    User performLogin (String username, String password) {
        if (username == null || username.trim().length() < 1) {
            broker.ui.showAlert(“Oops”, 'Please enter your username.')
            return null
        }

        if (password == null || password.length() < 1) {
            broker.ui.showAlert(“Oops”, “Please enter your password.”)
            return null
        }

        Filter userNameFilter = Filter(modelName: "User")
        userNameFilter.equalTo("name", username.trim())
        Array existingUsers = broker.cloudPersistence.getWithFilter(userNameFilter)

        if (existingUsers.size() == 0) {
           broker.ui.showAlert(“Oops”, "There's no user with username: " + username)
           Accounts.removeLocalPersistedUser()
           return null
        }
        
        User user = existingUsers.get(0)
        
        if (user.password != password) {
            broker.ui.showAlert(“Oops”, "The password you have entered is wrong.")
            Accounts.removeLocalPersistedUser()
            return null
        }

        return user
    }

}

Application {
    Array treasureScores
    User loggedUser
    
    OnInit {
        treasureScores = [10, 20, 30, 50, 100]
        broker.ui.push("Login")

        loggedUser = Accounts.getLocalPersistedUser()
        
        if (loggedUser != null) {
            Accounts.navigateToMainMenu()
        }
    }
}

> Start Advanced Level