(Swift 3,4,5...) 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 Downloads for the Swift Programming Language MAC OS X (Cocoa) Objective-C/Swift Libs iOS Objective-C/Swift Libs

func chilkatTest() {
    // This example requires the Chilkat API to have been previously unlocked.
    // See Global Unlock Sample for sample code.

    let http = CkoHttp()!

    http.login = "SHOPIFY_PRIVATE_API_KEY"
    http.password = "SHOPIFY_PRIVATE_API_KEY"

    http.accept = "application/json"

    // How to get the inventory item ID

    var resp: CkoHttpResponse? = http.quickRequest("GET", url: "https://{shop}.myshopify.com/admin/api/2020-04/inventory_levels.json?inventory_item_ids={inventory_item_id}")
    if http.lastMethodSuccess != true {
        print("\(http.lastErrorText!)")
        return
    }

    print("Response Status Code: \(resp!.statusCode.intValue)")

    let jsonResponse = CkoJsonObject()!
    jsonResponse.load(resp!.bodyStr)
    jsonResponse.emitCompact = false
    print("\(jsonResponse.emit()!)")

    if resp!.statusCode.intValue != 200 {
        print("Failed.")
        resp = nil
        return
    }

    resp = nil

    // 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"
    //     }
    //   ]
    // }
    // 

    var inventory_item_id: Int
    var location_id: Int
    var available: Int
    var updated_at: String?
    var admin_graphql_api_id: String?

    var i: Int = 0
    var count_i: Int = jsonResponse.size(ofArray: "inventory_levels").intValue
    while i < count_i {
        jsonResponse.i = i
        inventory_item_id = jsonResponse.int(of: "inventory_levels[i].inventory_item_id").intValue
        location_id = jsonResponse.int(of: "inventory_levels[i].location_id").intValue
        available = jsonResponse.int(of: "inventory_levels[i].available").intValue
        updated_at = jsonResponse.string(of: "inventory_levels[i].updated_at")
        admin_graphql_api_id = jsonResponse.string(of: "inventory_levels[i].admin_graphql_api_id")
        i = i + 1
    }


}