Customer.proto

/// This file has messages for describing a customer.
///
/// Author: Elvis Stansvik

package com.example;

// Use /// or /** */ to document messages, fields and enums.

/**
 * Represents a mail address.
 */
message Address {
    required string address_line_1 = 1; /** First address line. */
    optional string address_line_2 = 2; /** Second address line. */
    optional string address_line_3 = 3; /** Second address line. */

    required string town = 4;    /// Address town.
    optional string county = 5;  /// Address county, if applicable.
    required string country = 6; /// Address country.
}

/**
 * Represents a customer.
 */
message Customer {
    required int32 id = 1;          /// Unique customer ID.
    required string first_name = 2; /// Customer first name.
    required string last_name = 3;  /// Customer last name.
    optional string details = 4;    /// Customer details.

    optional string email_address = 5;   /// Customer e-mail address.
    repeated string phone_number = 6;    /// Customer phone numbers, primary first.
    repeated Address mail_addresses = 7; /// Customer mail addresses, primary first.
}