QueryAssistant Swift Example
func chilkatTest() {
// This example requires the Chilkat API to have been previously unlocked.
// See Global Unlock Sample for sample code.
let rest = CkoRest()
var success: Bool
let authAws = CkoAuthAws()
authAws.AccessKey = "AWS_ACCESS_KEY"
authAws.SecretKey = "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.)
authAws.Region = "us-west-2"
authAws.ServiceName = "wisdom"
// SetAuthAws causes Chilkat to automatically add the following headers: Authorization, X-Amz-Date
rest.SetAuthAws(authAws)
// URL: https://wisdom.us-west-2.amazonaws.com/
// Use the same region as specified above.
success = rest.Connect("wisdom.us-west-2.amazonaws.com", port: 443, tls: true, autoReconnect: true)
if success != true {
print("ConnectFailReason: \(rest.ConnectFailReason.intValue)")
print("\(rest.LastErrorText)")
return
}
// 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
let json = CkoJsonObject()
json.UpdateInt("maxResults", value: 123)
json.UpdateString("nextToken", value: "string")
json.UpdateString("queryText", value: "string")
// The JSON request body created by the above code:
// {
// "maxResults": number,
// "nextToken": "string",
// "queryText": "string"
// }
rest.AddHeader("Content-Type", value: "application/x-amz-json-1.1")
rest.AddHeader("X-Amz-Target", value: "QueryAssistant")
let sbRequestBody = CkoStringBuilder()
json.EmitSb(sbRequestBody)
let sbResponseBody = CkoStringBuilder()
success = rest.FullRequestSb("POST", uriPath: "/assistants/{assistantId}/query", requestBody: sbRequestBody, responseBody: sbResponseBody)
if success != true {
print("\(rest.LastErrorText)")
return
}
var respStatusCode: Int = rest.ResponseStatusCode.intValue
print("response status code = \(respStatusCode)")
if respStatusCode != 200 {
print("Response Header:")
print("\(rest.ResponseHeader)")
print("Response Body:")
print("\(sbResponseBody.GetAsString())")
return
}
let jResp = CkoJsonObject()
jResp.LoadSb(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
var ContentArn: String?
var ContentId: String?
var KnowledgeBaseArn: String?
var KnowledgeBaseId: String?
var Text: String?
var TitleText: String?
var relevanceScore: Int
var resultId: String?
var j: Int
var count_j: Int
var beginOffsetInclusive: Int
var endOffsetExclusive: Int
var nextToken: String? = jResp.StringOf("nextToken")
var i: Int = 0
var count_i: Int = jResp.SizeOfArray("results").intValue
while i < count_i {
jResp.I = i
ContentArn = jResp.StringOf("results[i].document.contentReference.contentArn")
ContentId = jResp.StringOf("results[i].document.contentReference.contentId")
KnowledgeBaseArn = jResp.StringOf("results[i].document.contentReference.knowledgeBaseArn")
KnowledgeBaseId = jResp.StringOf("results[i].document.contentReference.knowledgeBaseId")
Text = jResp.StringOf("results[i].document.excerpt.text")
TitleText = jResp.StringOf("results[i].document.title.text")
relevanceScore = jResp.IntOf("results[i].relevanceScore").intValue
resultId = jResp.StringOf("results[i].resultId")
j = 0
count_j = jResp.SizeOfArray("results[i].document.excerpt.highlights").intValue
while j < count_j {
jResp.J = j
beginOffsetInclusive = jResp.IntOf("results[i].document.excerpt.highlights[j].beginOffsetInclusive").intValue
endOffsetExclusive = jResp.IntOf("results[i].document.excerpt.highlights[j].endOffsetExclusive").intValue
j = j + 1
}
j = 0
count_j = jResp.SizeOfArray("results[i].document.title.highlights").intValue
while j < count_j {
jResp.J = j
beginOffsetInclusive = jResp.IntOf("results[i].document.title.highlights[j].beginOffsetInclusive").intValue
endOffsetExclusive = jResp.IntOf("results[i].document.title.highlights[j].endOffsetExclusive").intValue
j = j + 1
}
i = 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"
// }
// ]
// }
}