enums.proto

// The syntax for this file is proto3
syntax = "proto3";

/* Person is used to identify users
 * across our system */
message Person {
    // the age as of the person's creation
    int32 age = 1;
    // the first name as documented in the signup form
    string first_name = 2;
    string last_name = 3; // last name as documented in the signup form
    // small_picture represents a small .jpg file
    bytes small_picture = 4;
    bool is_profile_verified = 5;
    // height of the person in cms 
    float height = 6;

    // a list of phone numbers that is optional to provide at signup
    repeated string phone_numbers = 7;

    // we currently consider only 4 eye colours
    enum EyeColour {
        UNKNOWN_EYE_COLOUR = 0;
        EYE_GREEN = 1;
        EYE_BROWN = 2;
        EYE_BLUE = 3;
        EYE_GRAY = 4;
    }

    // it's an enum as defined above
    EyeColour eye_colour = 8;

}