Class: Usman::MobileRegistrationService

Inherits:
Object
  • Object
show all
Defined in:
app/services/usman/mobile_registration_service.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(params) ⇒ MobileRegistrationService

Returns a new instance of MobileRegistrationService.



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# File 'app/services/usman/mobile_registration_service.rb', line 12

def initialize(params)

  @dialing_prefix = params[:dialing_prefix]
  @mobile_number = params[:mobile_number]
  
  @country = Country.find_by_id(params[:country_id])
  @city = City.find_by_id(params[:city_id])

  # Edge case to catch city selected that of a different country
  @city = nil unless @city.country == @country if @city
  
  @uuid = params[:uuid]
  @device_token = params[:device_token]
  @device_name = params[:device_name]
  @device_type = params[:device_type]
  @operating_system = params[:operating_system]
  @software_version = params[:software_version]

  @remote_ip = params[:remote_ip]
  @error_message = nil
  @error_details = {}

  # @registration and @device will be initiated by the
  # below method if the device is already registered
  check_if_device_is_already_registered

  register_new_device

  # Validate the inputs
  @registration.valid?
  @device.valid?

  # Create a dummy user
  if @registration.user_id.blank?
    create_a_dummy_user 
  end

  if @registration.errors.any? or @device.errors.any?
    errors = @registration.errors.to_hash.merge(@device.errors.to_hash)
    set_error("api.register.invalid_inputs", errors)
  else
    @registration.save
    @device.save
  end
end

Instance Attribute Details

#city ⇒ Object (readonly)

Returns the value of attribute city.



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# File 'app/services/usman/mobile_registration_service.rb', line 4

def city
  @city
end

#country ⇒ Object (readonly)

Returns the value of attribute country.



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# File 'app/services/usman/mobile_registration_service.rb', line 4

def country
  @country
end

#device ⇒ Object (readonly)

Returns the value of attribute device.



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# File 'app/services/usman/mobile_registration_service.rb', line 4

def device
  @device
end

#device_name ⇒ Object (readonly)

Returns the value of attribute device_name.



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# File 'app/services/usman/mobile_registration_service.rb', line 4

def device_name
  @device_name
end

#device_token ⇒ Object (readonly)

Returns the value of attribute device_token.



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# File 'app/services/usman/mobile_registration_service.rb', line 4

def device_token
  @device_token
end

#device_type ⇒ Object (readonly)

Returns the value of attribute device_type.



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# File 'app/services/usman/mobile_registration_service.rb', line 4

def device_type
  @device_type
end

#dialing_prefix ⇒ Object (readonly)

Returns the value of attribute dialing_prefix.



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# File 'app/services/usman/mobile_registration_service.rb', line 4

def dialing_prefix
  @dialing_prefix
end

#error_details ⇒ Object (readonly)

Returns the value of attribute error_details.



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# File 'app/services/usman/mobile_registration_service.rb', line 4

def error_details
  @error_details
end

#error_heading ⇒ Object (readonly)

Returns the value of attribute error_heading.



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# File 'app/services/usman/mobile_registration_service.rb', line 4

def error_heading
  @error_heading
end

#error_message ⇒ Object (readonly)

Returns the value of attribute error_message.



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# File 'app/services/usman/mobile_registration_service.rb', line 4

def error_message
  @error_message
end

#mobile_number ⇒ Object (readonly)

Returns the value of attribute mobile_number.



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# File 'app/services/usman/mobile_registration_service.rb', line 4

def mobile_number
  @mobile_number
end

#operating_system ⇒ Object (readonly)

Returns the value of attribute operating_system.



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# File 'app/services/usman/mobile_registration_service.rb', line 4

def operating_system
  @operating_system
end

#registration ⇒ Object (readonly)

Returns the value of attribute registration.



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# File 'app/services/usman/mobile_registration_service.rb', line 4

def registration
  @registration
end

#remote_ip ⇒ Object (readonly)

Returns the value of attribute remote_ip.



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# File 'app/services/usman/mobile_registration_service.rb', line 4

def remote_ip
  @remote_ip
end

#software_version ⇒ Object (readonly)

Returns the value of attribute software_version.



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# File 'app/services/usman/mobile_registration_service.rb', line 4

def software_version
  @software_version
end

#uuid ⇒ Object (readonly)

Returns the value of attribute uuid.



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# File 'app/services/usman/mobile_registration_service.rb', line 4

def uuid
  @uuid
end

Instance Method Details

#check_if_device_is_already_registered ⇒ Object 



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# File 'app/services/usman/mobile_registration_service.rb', line 58

def check_if_device_is_already_registered
  @registration = Registration.where("LOWER(mobile_number) = LOWER('#{@mobile_number}') AND LOWER(dialing_prefix) = LOWER('#{@dialing_prefix}')").first
  @device = Device.where("LOWER(uuid) = LOWER('#{@uuid}')").first if @registration
  @device.generate_otp if @device
end

#create_a_dummy_user ⇒ Object 



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# File 'app/services/usman/mobile_registration_service.rb', line 117

def create_a_dummy_user
  @user = User.new
  @user.generate_dummy_data(@registration)
  @user.save
  @registration.user = @user
  @device.user = @user if @device
end

#errors ⇒ Object 



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# File 'app/services/usman/mobile_registration_service.rb', line 131

def errors
  {
    heading: @error_heading,
    message: @error_message,
    details: @error_details
  }
end

#generate_new_otp ⇒ Object 



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# File 'app/services/usman/mobile_registration_service.rb', line 108

def generate_new_otp
  @device.generate_otp
  if @device.send_otp
    @device.update_attribute(:otp_sent_at, Time.now)
  else
    set_error("api.register.otp_not_sent")
  end
end

#register_new_device ⇒ Object 



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# File 'app/services/usman/mobile_registration_service.rb', line 64

def register_new_device

  if @device && @device.blocked?
    set_error("api.general.device_blocked")
    return
  end

  ActiveRecord::Base.transaction do
    # Create a new registration if it doesn't exist
    @registration = Registration.new unless @registration
    @user = @registration.user
      
    @registration.country = @country
    @registration.city = @city
    
    @registration.dialing_prefix = @dialing_prefix
    @registration.mobile_number = @mobile_number
    
    # Create device entry if it doesn't exist
    @device = Device.new unless @device
    @device.registration = @registration
    @device.user = @registration.user
    @device.uuid = @uuid
    @device.api_token = SecureRandom.hex
    @device.device_token = @device_token
    @device.device_name = @device_name
    @device.device_type = @device_type
    @device.operating_system = @operating_system
    @device.software_version = @software_version

    @registration.valid?
    @device.valid?

    if @registration.errors.blank? && @device.errors.blank?
      @registration.save
      # Saving User to device table
      @device.save
      generate_new_otp
    else
      raise ActiveRecord::Rollback 
    end
  end
end

#set_error(key, hsh = {}) ⇒ Object 



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# File 'app/services/usman/mobile_registration_service.rb', line 125

def set_error(key, hsh={})
  @error_heading = I18n.t("#{key}.heading")
  @error_message = I18n.t("#{key}.message")
  @error_details = hsh if hsh.is_a?(Hash)
end