api_products.sh

#! /bin/bash

api='https://api.amberengine.com'
auth='<your email>:<your password>'

split-array() {
    awk '{
        gsub(/^\[/, "")
        gsub(/\]$/, "")
        gsub(/ /, "")
        gsub(/\"/, "")
        split($0, array, ",")

        for (i in array) {
            printf("\n%s", array[i])
        }
    }'
}

get-brands() {
    curl -u $auth $api/brands 2> /dev/null | split-array
}

get-products() {
    local brand=$1
    local limit=100
    local offset=0

    while true
    do
        local url="$api/brands/$brand/products?limit=$limit&offset=$offset"
        local products=$(curl -u $auth $url 2> /dev/null)

        if [ "$products" == "[]" ]
        then
            break
        else
            ((offset+=limit))
            echo $products
        fi
    done
}

brands=($(get-brands))

for brand in ${brands[@]}
do
    get-products $brand
done