(Tcl) QuickBooks - Query a Customer

Demonstrates how to query QuickBooks customers.

A sample JSON response body is available at Sample Quickbooks Customer Query JSON Response

For more information, see https://developer.intuit.com/app/developer/qbo/docs/api/accounting/all-entities/customer#query-a-customer

Chilkat Tcl Extension Downloads Chilkat Tcl Extension Downloads

load ./chilkat.dll

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

# Get our previously obtained OAuth2 access token, which should contain JSON like this:
# {
#   "expires_in": 3600,
#   "x_refresh_token_expires_in": 8726400,
#   "refresh_token": "L011546037639r ... 3vR2DrbOmg0Sdagw",
#   "access_token": "eyJlbmMiOiJBMTI4Q0 ... oETJEMbeggg",
#   "token_type": "bearer"
# }

set jsonToken [new_CkJsonObject]

set success [CkJsonObject_LoadFile $jsonToken "qa_data/tokens/qb-access-token.json"]

set rest [new_CkRest]

# Connect using TLS.
# A single REST object, once connected, can be used for many Quickbooks REST API calls.
# The auto-reconnect indicates that if the already-established HTTPS connection is closed,
# then it will be automatically re-established as needed.
set bAutoReconnect 1
set success [CkRest_Connect $rest "sandbox-quickbooks.api.intuit.com" 443 1 $bAutoReconnect]
if {$success != 1} then {
    puts [CkRest_lastErrorText $rest]
    delete_CkJsonObject $jsonToken
    delete_CkRest $rest
    exit
}

set sbAuth [new_CkStringBuilder]

CkStringBuilder_Append $sbAuth "Bearer "
CkStringBuilder_Append $sbAuth [CkJsonObject_stringOf $jsonToken "access_token"]
CkRest_put_Authorization $rest [CkStringBuilder_getAsString $sbAuth]

CkRest_AddHeader $rest "Accept" "application/json"
CkRest_put_AllowHeaderFolding $rest 0

set query "select * from Customer"
CkRest_AddQueryParam $rest "query" $query
CkRest_AddQueryParam $rest "minorversion" "45"

# The company ID is 123146096291789
set responseBody [CkRest_fullRequestNoBody $rest "GET" "/v3/company/123146096291789/query"]
if {[CkRest_get_LastMethodSuccess $rest] != 1} then {
    puts [CkRest_lastErrorText $rest]
    delete_CkJsonObject $jsonToken
    delete_CkRest $rest
    delete_CkStringBuilder $sbAuth
    exit
}

# We should expect a 200 response if successful.
if {[CkRest_get_ResponseStatusCode $rest] != 200} then {
    puts "Request Header: "
    puts [CkRest_lastRequestHeader $rest]
    puts "----"
    puts "Response StatusCode = [CkRest_get_ResponseStatusCode $rest]"
    puts "Response StatusLine: [CkRest_responseStatusText $rest]"
    puts "Response Header:"
    puts [CkRest_responseHeader $rest]
    puts "$responseBody"
    delete_CkJsonObject $jsonToken
    delete_CkRest $rest
    delete_CkStringBuilder $sbAuth
    exit
}

# Load the JSON response into a JSON object for parsing.
# A sample JSON response is shown below.
set json [new_CkJsonObject]

CkJsonObject_put_EmitCompact $json 0
CkJsonObject_Load $json $responseBody

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

# Iterate over each customer returned.
set numRecords [CkJsonObject_SizeOfArray $json "QueryResponse.Customer"]
set i 0
while {$i < $numRecords} {

    CkJsonObject_put_I $json $i
    puts "Name: [CkJsonObject_stringOf $json {QueryResponse.Customer[i].FullyQualifiedName}]"
    puts "Id: [CkJsonObject_stringOf $json {QueryResponse.Customer[i].Id}]"
    puts "City: [CkJsonObject_stringOf $json {QueryResponse.Customer[i].BillAddr.City}]"
    puts "----"
    set i [expr $i + 1]
}

puts "Success."

delete_CkJsonObject $jsonToken
delete_CkRest $rest
delete_CkStringBuilder $sbAuth
delete_CkJsonObject $json