(Tcl) Shopify Retrieve the item's inventory levels

After you have the inventory item ID, you can use it with the InventoryLevel resource to find the levels and locations for the inventory item:

For more information, see https://shopify.dev/tutorials/manage-product-inventory-with-admin-api#retrieve-the-inventory-levels-for-a-product-variant

Chilkat Tcl Extension Downloads Chilkat Tcl Extension Downloads

load ./chilkat.dll

# This example requires the Chilkat API to have been previously unlocked.
# See Global Unlock Sample for sample code.

set http [new_CkHttp]

CkHttp_put_Login $http "SHOPIFY_PRIVATE_API_KEY"
CkHttp_put_Password $http "SHOPIFY_PRIVATE_API_KEY"

CkHttp_put_Accept $http "application/json"

# How to get the inventory item ID

# resp is a CkHttpResponse
set resp [CkHttp_QuickRequest $http "GET" "https://{shop}.myshopify.com/admin/api/2020-04/inventory_levels.json?inventory_item_ids={inventory_item_id}"]
if {[CkHttp_get_LastMethodSuccess $http] != 1} then {
    puts [CkHttp_lastErrorText $http]
    delete_CkHttp $http
    exit
}

puts "Response Status Code: [CkHttpResponse_get_StatusCode $resp]"

set jsonResponse [new_CkJsonObject]

CkJsonObject_Load $jsonResponse [CkHttpResponse_bodyStr $resp]
CkJsonObject_put_EmitCompact $jsonResponse 0
puts [CkJsonObject_emit $jsonResponse]

if {[CkHttpResponse_get_StatusCode $resp] != 200} then {
    puts "Failed."
    delete_CkHttpResponse $resp

    delete_CkHttp $http
    delete_CkJsonObject $jsonResponse
    exit
}

delete_CkHttpResponse $resp

# Sample output...
# (See the parsing code below..)
# 
# Use the this online tool to generate parsing code from sample JSON: 
# Generate Parsing Code from JSON

# {
#   "inventory_levels": [
#     {
#       "inventory_item_id": 12250274365496,
#       "location_id": 6884556842,
#       "available": 8,
#       "updated_at": "2018-06-18T11:49:50-04:00",
#       "admin_graphql_api_id": "gid://shopify/InventoryLevel/6485147690?inventory_item_id=12250274365496"
#     },
#     {
#       "inventory_item_id": 12250274365496,
#       "location_id": 13968834616,
#       "available": 50,
#       "updated_at": "2018-06-26T14:44:30-04:00",
#       "admin_graphql_api_id": "gid://shopify/InventoryLevel/13570506808?inventory_item_id=12250274365496"
#     },
#     {
#       "inventory_item_id": 12250274365496,
#       "location_id": 13968867384,
#       "available": 100,
#       "updated_at": "2018-06-26T14:44:30-04:00",
#       "admin_graphql_api_id": "gid://shopify/InventoryLevel/13570539576?inventory_item_id=12250274365496"
#     }
#   ]
# }
# 

set i 0
set count_i [CkJsonObject_SizeOfArray $jsonResponse "inventory_levels"]
while {$i < $count_i} {
    CkJsonObject_put_I $jsonResponse $i
    set inventory_item_id [CkJsonObject_IntOf $jsonResponse "inventory_levels[i].inventory_item_id"]
    set location_id [CkJsonObject_IntOf $jsonResponse "inventory_levels[i].location_id"]
    set available [CkJsonObject_IntOf $jsonResponse "inventory_levels[i].available"]
    set updated_at [CkJsonObject_stringOf $jsonResponse "inventory_levels[i].updated_at"]
    set admin_graphql_api_id [CkJsonObject_stringOf $jsonResponse "inventory_levels[i].admin_graphql_api_id"]
    set i [expr $i + 1]
}

delete_CkHttp $http
delete_CkJsonObject $jsonResponse