(Tcl) Amazon SP-API Create Feed

See more Amazon SP-API Examples

Creates a feed. Amazon returns a feedDocumentId value, encryption details, and a URL for uploading the feed contents.

For more information, see https://developer-docs.amazon.com/sp-api/docs/feeds-api-v2020-09-04-use-case-guide

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 authAws [new_CkAuthAws]

CkAuthAws_put_AccessKey $authAws "AWS_ACCESS_KEY"
CkAuthAws_put_SecretKey $authAws "AWS_SECRET_KEY"
CkAuthAws_put_ServiceName $authAws "execute-api"
# Use the region that is correct for your needs.
CkAuthAws_put_Region $authAws "eu-west-1"

set rest [new_CkRest]

set success [CkRest_Connect $rest "sellingpartnerapi-eu.amazon.com" 443 1 1]
if {$success == 0} then {
    puts [CkRest_lastErrorText $rest]
    delete_CkAuthAws $authAws
    delete_CkRest $rest
    exit
}

set success [CkRest_SetAuthAws $rest $authAws]

# Load the previously obtained LWA access token.
# See Fetch SP-API LWA Access Token
set jsonToken [new_CkJsonObject]

set success [CkJsonObject_LoadFile $jsonToken "qa_data/tokens/sp_api_lwa_token.json"]
if {$success == 0} then {
    puts "Failed to load LWA access token."
    delete_CkAuthAws $authAws
    delete_CkRest $rest
    delete_CkJsonObject $jsonToken
    exit
}

# Add the x-amz-access-token request header.
set lwa_token [CkJsonObject_stringOf $jsonToken "access_token"]

set jsonReq [new_CkJsonObject]

CkJsonObject_UpdateString $jsonReq "contentType" "text/tab-separated-values; charset=UTF-8"

set sbRequest [new_CkStringBuilder]

CkJsonObject_EmitSb $jsonReq $sbRequest

CkRest_ClearAllQueryParams $rest
CkRest_ClearAllHeaders $rest
CkRest_AddHeader $rest "x-amz-access-token" $lwa_token

set sbResponse [new_CkStringBuilder]

set path "/feeds/2021-06-30/documents"
set success [CkRest_FullRequestSb $rest "POST" $path $sbRequest $sbResponse]
if {$success == 0} then {
    puts [CkRest_lastErrorText $rest]
    delete_CkAuthAws $authAws
    delete_CkRest $rest
    delete_CkJsonObject $jsonToken
    delete_CkJsonObject $jsonReq
    delete_CkStringBuilder $sbRequest
    delete_CkStringBuilder $sbResponse
    exit
}

# Examine the response status.
set statusCode [CkRest_get_ResponseStatusCode $rest]
puts "statusCode: $statusCode"

if {$statusCode != 201} then {
    puts "Response status text: [CkRest_responseStatusText $rest]"
    puts "Response body: "
    puts [CkStringBuilder_getAsString $sbResponse]
    puts "Failed."
    delete_CkAuthAws $authAws
    delete_CkRest $rest
    delete_CkJsonObject $jsonToken
    delete_CkJsonObject $jsonReq
    delete_CkStringBuilder $sbRequest
    delete_CkStringBuilder $sbResponse
    exit
}

puts [CkStringBuilder_getAsString $sbResponse]

# If successful, gets a JSON response such as the following:

# {
#   "feedDocumentId": "3d4e42b5-1d6e-44e8-a89c-2abfca0625bb",
#   "url": "https://d34o8swod1owfl.cloudfront.net/Feed_101__POST_PRODUCT_DATA_.xml"
# }

# Use this online tool to generate parsing code from sample JSON: 
# Generate Parsing Code from JSON

set json [new_CkJsonObject]

CkJsonObject_LoadSb $json $sbResponse

set feedDocumentId [CkJsonObject_stringOf $json "feedDocumentId"]
set url [CkJsonObject_stringOf $json "url"]

# Save the JSON to a file for the example that constructs the XML feed and uploads..
set success [CkJsonObject_WriteFile $json "qa_data/json/sp_api_feed_upload_info.json"]

puts "Success!"

delete_CkAuthAws $authAws
delete_CkRest $rest
delete_CkJsonObject $jsonToken
delete_CkJsonObject $jsonReq
delete_CkStringBuilder $sbRequest
delete_CkStringBuilder $sbResponse
delete_CkJsonObject $json