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// _ _
// __ _____ __ ___ ___ __ _| |_ ___
// \ \ /\ / / _ \/ _` \ \ / / |/ _` | __/ _ \
// \ V V / __/ (_| |\ V /| | (_| | || __/
// \_/\_/ \___|\__,_| \_/ |_|\__,_|\__\___|
//
// Copyright © 2016 - 2024 Weaviate B.V. All rights reserved.
//
// CONTACT: [email protected]
//
package clients
import (
"bytes"
"context"
"encoding/json"
"fmt"
"io"
"net/http"
"time"
"github.com/pkg/errors"
"github.com/sirupsen/logrus"
"github.com/weaviate/weaviate/modules/multi2vec-bind/ent"
)
type vectorizer struct {
origin string
httpClient *http.Client
logger logrus.FieldLogger
}
func New(origin string, timeout time.Duration, logger logrus.FieldLogger) *vectorizer {
return &vectorizer{
origin: origin,
httpClient: &http.Client{
Timeout: timeout,
},
logger: logger,
}
}
func (v *vectorizer) Vectorize(ctx context.Context,
texts, images, audio, video, imu, thermal, depth []string,
) (*ent.VectorizationResult, error) {
body, err := json.Marshal(vecRequest{
Texts: texts,
Images: images,
Audio: audio,
Video: video,
IMU: imu,
Thermal: thermal,
Depth: depth,
})
if err != nil {
return nil, errors.Wrapf(err, "marshal body")
}
req, err := http.NewRequestWithContext(ctx, "POST", v.url("/vectorize"),
bytes.NewReader(body))
if err != nil {
return nil, errors.Wrap(err, "create POST request")
}
res, err := v.httpClient.Do(req)
if err != nil {
return nil, errors.Wrap(err, "send POST request")
}
defer res.Body.Close()
bodyBytes, err := io.ReadAll(res.Body)
if err != nil {
return nil, errors.Wrap(err, "read response body")
}
var resBody vecResponse
if err := json.Unmarshal(bodyBytes, &resBody); err != nil {
return nil, errors.Wrap(err, "unmarshal response body")
}
if res.StatusCode != 200 {
if resBody.Error != "" {
return nil, errors.Errorf("fail with status %d: %s", res.StatusCode,
resBody.Error)
}
return nil, errors.Errorf("fail with status %d", res.StatusCode)
}
return &ent.VectorizationResult{
TextVectors: resBody.TextVectors,
ImageVectors: resBody.ImageVectors,
AudioVectors: resBody.AudioVectors,
VideoVectors: resBody.VideoVectors,
IMUVectors: resBody.IMUVectors,
ThermalVectors: resBody.ThermalVectors,
DepthVectors: resBody.DepthVectors,
}, nil
}
func (v *vectorizer) url(path string) string {
return fmt.Sprintf("%s%s", v.origin, path)
}
type vecRequest struct {
Texts []string `json:"texts,omitempty"`
Images []string `json:"images,omitempty"`
Audio []string `json:"audio,omitempty"`
Video []string `json:"video,omitempty"`
IMU []string `json:"imu,omitempty"`
Thermal []string `json:"thermal,omitempty"`
Depth []string `json:"depth,omitempty"`
}
type vecResponse struct {
TextVectors [][]float32 `json:"textVectors,omitempty"`
ImageVectors [][]float32 `json:"imageVectors,omitempty"`
AudioVectors [][]float32 `json:"audioVectors,omitempty"`
VideoVectors [][]float32 `json:"videoVectors,omitempty"`
IMUVectors [][]float32 `json:"imuVectors,omitempty"`
ThermalVectors [][]float32 `json:"thermalVectors,omitempty"`
DepthVectors [][]float32 `json:"depthVectors,omitempty"`
Error string `json:"error,omitempty"`
}
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