Chilkat Online Tools

QueryAssistant TCL Example

Amazon Wisdom

load ./chilkat.dll

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

set rest [new_CkRest]

set authAws [new_CkAuthAws]

CkAuthAws_put_AccessKey $authAws "AWS_ACCESS_KEY"
CkAuthAws_put_SecretKey $authAws "AWS_SECRET_KEY"

# Don't forget to change the region to your particular region. (Also make the same change in the call to Connect below.)
CkAuthAws_put_Region $authAws "us-west-2"
CkAuthAws_put_ServiceName $authAws "wisdom"
# SetAuthAws causes Chilkat to automatically add the following headers: Authorization, X-Amz-Date
CkRest_SetAuthAws $rest $authAws

# URL: https://wisdom.us-west-2.amazonaws.com/
# Use the same region as specified above.
set success [CkRest_Connect $rest "wisdom.us-west-2.amazonaws.com" 443 1 1]
if {$success != 1} then {
    puts "ConnectFailReason: [CkRest_get_ConnectFailReason $rest]"
    puts [CkRest_lastErrorText $rest]
    delete_CkRest $rest
    delete_CkAuthAws $authAws
    exit
}

# The following code creates the JSON request body.
# The JSON created by this code is shown below.

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

set json [new_CkJsonObject]

CkJsonObject_UpdateInt $json "maxResults" 123
CkJsonObject_UpdateString $json "nextToken" "string"
CkJsonObject_UpdateString $json "queryText" "string"

# The JSON request body created by the above code:

# {
#   "maxResults": number,
#   "nextToken": "string",
#   "queryText": "string"
# }

CkRest_AddHeader $rest "Content-Type" "application/x-amz-json-1.1"
CkRest_AddHeader $rest "X-Amz-Target" "QueryAssistant"

set sbRequestBody [new_CkStringBuilder]

CkJsonObject_EmitSb $json $sbRequestBody
set sbResponseBody [new_CkStringBuilder]

set success [CkRest_FullRequestSb $rest "POST" "/assistants/{assistantId}/query" $sbRequestBody $sbResponseBody]
if {$success != 1} then {
    puts [CkRest_lastErrorText $rest]
    delete_CkRest $rest
    delete_CkAuthAws $authAws
    delete_CkJsonObject $json
    delete_CkStringBuilder $sbRequestBody
    delete_CkStringBuilder $sbResponseBody
    exit
}

set respStatusCode [CkRest_get_ResponseStatusCode $rest]
puts "response status code = $respStatusCode"
if {$respStatusCode != 200} then {
    puts "Response Header:"
    puts [CkRest_responseHeader $rest]
    puts "Response Body:"
    puts [CkStringBuilder_getAsString $sbResponseBody]
    delete_CkRest $rest
    delete_CkAuthAws $authAws
    delete_CkJsonObject $json
    delete_CkStringBuilder $sbRequestBody
    delete_CkStringBuilder $sbResponseBody
    exit
}

set jResp [new_CkJsonObject]

CkJsonObject_LoadSb $jResp $sbResponseBody

# The following code parses the JSON response.
# A sample JSON response is shown below the sample code.

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

set nextToken [CkJsonObject_stringOf $jResp "nextToken"]
set i 0
set count_i [CkJsonObject_SizeOfArray $jResp "results"]
while {$i < $count_i} {
    CkJsonObject_put_I $jResp $i
    set ContentArn [CkJsonObject_stringOf $jResp "results[i].document.contentReference.contentArn"]
    set ContentId [CkJsonObject_stringOf $jResp "results[i].document.contentReference.contentId"]
    set KnowledgeBaseArn [CkJsonObject_stringOf $jResp "results[i].document.contentReference.knowledgeBaseArn"]
    set KnowledgeBaseId [CkJsonObject_stringOf $jResp "results[i].document.contentReference.knowledgeBaseId"]
    set Text [CkJsonObject_stringOf $jResp "results[i].document.excerpt.text"]
    set TitleText [CkJsonObject_stringOf $jResp "results[i].document.title.text"]
    set relevanceScore [CkJsonObject_IntOf $jResp "results[i].relevanceScore"]
    set resultId [CkJsonObject_stringOf $jResp "results[i].resultId"]
    set j 0
    set count_j [CkJsonObject_SizeOfArray $jResp "results[i].document.excerpt.highlights"]
    while {$j < $count_j} {
        CkJsonObject_put_J $jResp $j
        set beginOffsetInclusive [CkJsonObject_IntOf $jResp "results[i].document.excerpt.highlights[j].beginOffsetInclusive"]
        set endOffsetExclusive [CkJsonObject_IntOf $jResp "results[i].document.excerpt.highlights[j].endOffsetExclusive"]
        set j [expr $j + 1]
    }
    set j 0
    set count_j [CkJsonObject_SizeOfArray $jResp "results[i].document.title.highlights"]
    while {$j < $count_j} {
        CkJsonObject_put_J $jResp $j
        set beginOffsetInclusive [CkJsonObject_IntOf $jResp "results[i].document.title.highlights[j].beginOffsetInclusive"]
        set endOffsetExclusive [CkJsonObject_IntOf $jResp "results[i].document.title.highlights[j].endOffsetExclusive"]
        set j [expr $j + 1]
    }
    set i [expr $i + 1]
}

# A sample JSON response body parsed by the above code:

# {
#   "nextToken": "string",
#   "results": [
#     {
#       "document": {
#         "contentReference": {
#           "contentArn": "string",
#           "contentId": "string",
#           "knowledgeBaseArn": "string",
#           "knowledgeBaseId": "string"
#         },
#         "excerpt": {
#           "highlights": [
#             {
#               "beginOffsetInclusive": number,
#               "endOffsetExclusive": number
#             }
#           ],
#           "text": "string"
#         },
#         "title": {
#           "highlights": [
#             {
#               "beginOffsetInclusive": number,
#               "endOffsetExclusive": number
#             }
#           ],
#           "text": "string"
#         }
#       },
#       "relevanceScore": number,
#       "resultId": "string"
#     }
#   ]
# }

delete_CkRest $rest
delete_CkAuthAws $authAws
delete_CkJsonObject $json
delete_CkStringBuilder $sbRequestBody
delete_CkStringBuilder $sbResponseBody
delete_CkJsonObject $jResp