sales_backend/src/sales_backend/address.cr

require "json"

enum Country
    FR,
    NL,
    DE,
    IT,
    EI,
    GB,
end

class Address
    JSON.mapping(
        name: String,
        address1: String,
        address2: {type: String, nilable: true},
        postcode: String,
        city: String,
        country: Country,
        is_default: {type: Bool, default: false},
    )
    def <=> (other : Address)
        cmp = @name<=>other.name
        if cmp==0
            cmp = @address1<=>other.address1
            if cmp==0
                if @address2.nil?
                    if(other.address2.nil?)
                        cmp=0
                    elsif
                        cmp=-1
                    end
                elsif other.address2.nil?
                    cmp=1
                else
                    cmp = @address2.not_nil!<=>other.address2.not_nil!
                end
                if cmp==0
                    cmp = @postcode<=>other.postcode
                    if cmp==0
                        cmp = @city<=>other.city
                        if cmp==0
                            cmp = @country<=>other.country
                        end
                    end
                end
            end
        end
        return cmp
    end
    def == (other : Address)
        0==(self<=>other)
    end
    def != (other : Address)
        0!=(self<=>other)
    end
end