1// Code generated by smithy-go-codegen DO NOT EDIT.
2
3package comprehend
4
5import (
6	"context"
7	awsmiddleware "github.com/aws/aws-sdk-go-v2/aws/middleware"
8	"github.com/aws/aws-sdk-go-v2/aws/signer/v4"
9	"github.com/aws/aws-sdk-go-v2/service/comprehend/types"
10	"github.com/aws/smithy-go/middleware"
11	smithyhttp "github.com/aws/smithy-go/transport/http"
12)
13
14// Inspects text and returns an inference of the prevailing sentiment (POSITIVE,
15// NEUTRAL, MIXED, or NEGATIVE).
16func (c *Client) DetectSentiment(ctx context.Context, params *DetectSentimentInput, optFns ...func(*Options)) (*DetectSentimentOutput, error) {
17	if params == nil {
18		params = &DetectSentimentInput{}
19	}
20
21	result, metadata, err := c.invokeOperation(ctx, "DetectSentiment", params, optFns, addOperationDetectSentimentMiddlewares)
22	if err != nil {
23		return nil, err
24	}
25
26	out := result.(*DetectSentimentOutput)
27	out.ResultMetadata = metadata
28	return out, nil
29}
30
31type DetectSentimentInput struct {
32
33	// The language of the input documents. You can specify any of the primary
34	// languages supported by Amazon Comprehend. All documents must be in the same
35	// language.
36	//
37	// This member is required.
38	LanguageCode types.LanguageCode
39
40	// A UTF-8 text string. Each string must contain fewer that 5,000 bytes of UTF-8
41	// encoded characters.
42	//
43	// This member is required.
44	Text *string
45}
46
47type DetectSentimentOutput struct {
48
49	// The inferred sentiment that Amazon Comprehend has the highest level of
50	// confidence in.
51	Sentiment types.SentimentType
52
53	// An object that lists the sentiments, and their corresponding confidence levels.
54	SentimentScore *types.SentimentScore
55
56	// Metadata pertaining to the operation's result.
57	ResultMetadata middleware.Metadata
58}
59
60func addOperationDetectSentimentMiddlewares(stack *middleware.Stack, options Options) (err error) {
61	err = stack.Serialize.Add(&awsAwsjson11_serializeOpDetectSentiment{}, middleware.After)
62	if err != nil {
63		return err
64	}
65	err = stack.Deserialize.Add(&awsAwsjson11_deserializeOpDetectSentiment{}, middleware.After)
66	if err != nil {
67		return err
68	}
69	if err = addSetLoggerMiddleware(stack, options); err != nil {
70		return err
71	}
72	if err = awsmiddleware.AddClientRequestIDMiddleware(stack); err != nil {
73		return err
74	}
75	if err = smithyhttp.AddComputeContentLengthMiddleware(stack); err != nil {
76		return err
77	}
78	if err = addResolveEndpointMiddleware(stack, options); err != nil {
79		return err
80	}
81	if err = v4.AddComputePayloadSHA256Middleware(stack); err != nil {
82		return err
83	}
84	if err = addRetryMiddlewares(stack, options); err != nil {
85		return err
86	}
87	if err = addHTTPSignerV4Middleware(stack, options); err != nil {
88		return err
89	}
90	if err = awsmiddleware.AddRawResponseToMetadata(stack); err != nil {
91		return err
92	}
93	if err = awsmiddleware.AddRecordResponseTiming(stack); err != nil {
94		return err
95	}
96	if err = addClientUserAgent(stack); err != nil {
97		return err
98	}
99	if err = smithyhttp.AddErrorCloseResponseBodyMiddleware(stack); err != nil {
100		return err
101	}
102	if err = smithyhttp.AddCloseResponseBodyMiddleware(stack); err != nil {
103		return err
104	}
105	if err = addOpDetectSentimentValidationMiddleware(stack); err != nil {
106		return err
107	}
108	if err = stack.Initialize.Add(newServiceMetadataMiddleware_opDetectSentiment(options.Region), middleware.Before); err != nil {
109		return err
110	}
111	if err = addRequestIDRetrieverMiddleware(stack); err != nil {
112		return err
113	}
114	if err = addResponseErrorMiddleware(stack); err != nil {
115		return err
116	}
117	if err = addRequestResponseLogging(stack, options); err != nil {
118		return err
119	}
120	return nil
121}
122
123func newServiceMetadataMiddleware_opDetectSentiment(region string) *awsmiddleware.RegisterServiceMetadata {
124	return &awsmiddleware.RegisterServiceMetadata{
125		Region:        region,
126		ServiceID:     ServiceID,
127		SigningName:   "comprehend",
128		OperationName: "DetectSentiment",
129	}
130}
131