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35 lines
705 B
Go
35 lines
705 B
Go
package handler
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import (
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"context"
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"github.com/cdipaolo/sentiment"
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"github.com/micro/micro/v3/service/errors"
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pb "github.com/micro/services/sentiment/proto"
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)
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type Sentiment struct {
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Model *sentiment.Models
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}
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func (e *Sentiment) Analyze(ctx context.Context, req *pb.Request, rsp *pb.Response) error {
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if len(req.Text) == 0 {
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return errors.BadRequest("sentiment.analyze", "text is blank")
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}
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if len(req.Lang) == 0 {
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req.Lang = "english"
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}
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if req.Lang != "english" {
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return errors.BadRequest("sentiment.analyze", "only support english")
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}
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an := e.Model.SentimentAnalysis(req.Text, sentiment.English)
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rsp.Score = float64(an.Score)
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// TODO: more complex word scoring
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return nil
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}
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