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(Tcl) Xero Build Hashtable of Account Codes

To create a new account, a unique and unused account Code would need to be selected. How do we know what account Codes already exist? One way of finding out is to download the complete set of Accounts every time. Another way is to download once, and keep a local hash table of the account Codes. This makes it possible to find a new and unused Code without having to continually fetch data from the Xero server.

Note: Requires Chilkat v9.5.0.64 or greater.

Chilkat Tcl Extension Downloads

Chilkat Tcl Extension Downloads

load ./chilkat.dll

# Note: Requires Chilkat v9.5.0.64 or greater.

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

set rest [new_CkRest]

# Before sending REST API calls, the REST object needs to be
# initialized for OAuth1.
# See Xero 2-Legged OAuth1 Setup for sample code.

# Assuming the REST object's OAuth1 authenticator is setup, and the initial
# connection was made, we may now send REST HTTP requests..

# -----------------------------------------------------
# Get the full list of accounts.
set sbXml [new_CkStringBuilder]

set success [CkRest_FullRequestNoBodySb $rest "GET" "/api.xro/2.0/Accounts" $sbXml]
if {[expr $success != 1]} then {
    puts [CkRest_lastErrorText $rest]
    delete_CkRest $rest
    delete_CkStringBuilder $sbXml

# A 200 response is expected for actual success.
if {[expr [CkRest_get_ResponseStatusCode $rest] != 200]} then {
    puts [CkStringBuilder_getAsString $sbXml]
    delete_CkRest $rest
    delete_CkStringBuilder $sbXml

# Iterate over the accounts, and build a Hashtable where the
# key is the account Code, and the value is the XML record for the account.
set htAccounts [new_CkHashtable]

set bAutoTrim 0
set xml [new_CkXml]

CkXml_LoadSb $xml $sbXml $bAutoTrim
CkXml_put_EmitXmlDecl $xml 0
CkXml_put_EmitCompact $xml 1

# How many accounts exist?
set numAccounts [CkXml_NumChildrenAt $xml "Accounts"]
puts "numAccounts = $numAccounts"

set i 0
while {[expr $i < $numAccounts]} {
    CkXml_put_I $xml $i
    set hashKey [CkXml_getChildContent $xml "Accounts|Account[i]|Code"]
    # Update the xml object's internal reference to the i'th account record.
    set notUsed [CkXml_chilkatPath $xml "Accounts|Account[i]|$"]

    puts "hash key = $hashKey"
    if {[expr $i < 5]} then {
        # Show a few of the values..
        puts [CkXml_getXml $xml]

    [CkHashtable_AddStr $htAccounts $hashKey [CkXml_getXml $xml]]

    # Update the xml object's internal reference to the XML root node.
    [CkXml_GetRoot2 $xml]
    set i [expr $i + 1]

# At this point the Hashtable is built.
# Save the Hashtable to a file.  This will be used in subsequent requests
# when we need to find a unique/unused Code, or if we want to get
# the account information from the local hash table.
set htXmlSb [new_CkStringBuilder]

CkHashtable_ToXmlSb $htAccounts $htXmlSb
set success [CkStringBuilder_WriteFile $htXmlSb "qa_cache/xero_accounts_by_code.xml" "utf-8" 0]

puts "success = $success"

delete_CkRest $rest
delete_CkStringBuilder $sbXml
delete_CkHashtable $htAccounts
delete_CkXml $xml
delete_CkStringBuilder $htXmlSb


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