public static AmazonItem[] GetItems(string[] ASINs)
{
AmazonItem[] items = new AmazonItem[ASINs.Length];
//max 10 items allowed per request, do multiple requests
for (int i = 0; i < ASINs.Length; i += 10)
{
// create an array with 10 ASINs
string[] ASINArray = new string[10];
for (int j = i; j < i + 10 && j < ASINs.Length; j++)
{
ASINArray[j] = ASINs[i + j];
}
// get response from amazon api
Item[] returnedItems = DoAmazonItemLookup(ASINArray);
// create AmazonItem objects from Item objects and add them to the array
// if there is a problem with any items, or if there are duplicates, amazon will return less items. so if ASINs do not match, skip ASIN (increase skipped)
int skipped = 0;
for (int k = 0; k < returnedItems.Length; k++)
{
while (ASINs[i + k + skipped] != returnedItems[k].ASIN)
{
skipped++;
}
items[i + k + skipped] = new AmazonItem(returnedItems[k]);
}
}
return(items);
}
public static AmazonItem GetItem(string ASIN)
{
AmazonItem foundItem = null;
// make an array with only one string and use it to find items on amazon
Item[] returnedItems = DoAmazonItemLookup(new string[] { ASIN });
if (returnedItems == null)
{
// request did not return any items, a product with this ASIN doesnt exist
return(null);
}
//create AmazonItem object from returned Item object
foundItem = new AmazonItem(returnedItems[0]);
return(foundItem);
}