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(Tcl) QuickBooks - Parse the JSON of a Customer Balance Detail Report

This example is to show how to parse the JSON of a particular Quickbooks report. The techniques shown here may help in parsing similar reports.

The JSON to be parsed is available at Sample Quickbooks Customer Balance Detail Report JSON

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.

set http [new_CkHttp]

#  Get the JSON we'll be parsing..
set jsonStr [CkHttp_quickGetStr $http "https://www.chilkatsoft.com/exampleData/qb_customer_balance_detail_report_2.json"]
if {[expr [CkHttp_get_LastMethodSuccess $http] != 1]} then {
    puts [CkHttp_lastErrorText $http]
    delete_CkHttp $http
    exit
}

set json [new_CkJsonObject]

CkJsonObject_Load $json $jsonStr

#  Let's parse the JSON into a CSV, and then save to a CSV file.
set csv [new_CkCsv]

CkCsv_put_HasColumnNames $csv 1

#  Set the column names of the CSV.
set numColumns [CkJsonObject_SizeOfArray $json "Columns.Column"]
if {[expr $numColumns < 0]} then {
    puts "Unable to get column names"
    delete_CkHttp $http
    delete_CkJsonObject $json
    delete_CkCsv $csv
    exit
}

set i 0
while {[expr $i < $numColumns]} {
    CkJsonObject_put_I $json $i
    [CkCsv_SetColumnName $csv $i [CkJsonObject_stringOf $json "Columns.Column[i].ColTitle"]]
    set i [expr $i + 1]
}

#  Let's get the rows.
#  We'll ignore the Header and Summary, and just get the data.
set row 0
set numRows [CkJsonObject_SizeOfArray $json "Rows.Row[0].Rows.Row"]
if {[expr $numRows < 0]} then {
    puts "Unable to get data rows"
    delete_CkHttp $http
    delete_CkJsonObject $json
    delete_CkCsv $csv
    exit
}

while {[expr $row < $numRows]} {
    CkJsonObject_put_I $json $row
    set numColumns [CkJsonObject_SizeOfArray $json "Rows.Row[0].Rows.Row[i].ColData"]
    set col 0
    while {[expr $col < $numColumns]} {
        CkJsonObject_put_J $json $col
        [CkCsv_SetCell $csv $row $col [CkJsonObject_stringOf $json "Rows.Row[0].Rows.Row[i].ColData[j].value"]]
        set col [expr $col + 1]
    }
    set row [expr $row + 1]
}

#  Show the CSV
puts [CkCsv_saveToString $csv]

#  Save to a CSV file
set success [CkCsv_SaveFile $csv "qa_output/customerDetailReport.csv"]

delete_CkHttp $http
delete_CkJsonObject $json
delete_CkCsv $csv

 

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