/
image.go
141 lines (110 loc) · 3.3 KB
/
image.go
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package openai
import (
"bytes"
"context"
"github.com/GeniusAI-Platform/openai/client"
"github.com/GeniusAI-Platform/openai/entity"
"github.com/GeniusAI-Platform/openai/utils"
"strconv"
)
const (
createImageEndpoint = "/images/generations"
editImageEndpoint = "/images/edits"
createImageVariationEndpoint = "/images/variations"
)
type Image struct {
client client.Transporter
}
// NewImage create Image object to create, edit image or image variation using DALL·E 2
func NewImage(client client.Transporter) *Image {
return &Image{
client: client,
}
}
// CreateImage Creates an image given a prompt
func (i *Image) CreateImage(ctx context.Context, req entity.ImageRequest) (*entity.ImageResponse, error) {
if err := i.client.GetValidator().Struct(req); err != nil {
return nil, err
}
resp, err := i.client.Post(ctx, &client.APIConfig{Path: createImageEndpoint}, req)
if err != nil {
return nil, err
}
return responseHandler[*entity.ImageResponse](resp)
}
// ImageEdit Creates an edited or extended image given an original image and a prompt
func (i *Image) ImageEdit(ctx context.Context, req entity.ImageEditRequest) (*entity.ImageResponse, error) {
if err := i.client.GetValidator().Struct(req); err != nil {
return nil, err
}
body := new(bytes.Buffer)
fb := utils.NewFormBuilder(body)
if err := fb.CreateFormFile("image", req.Image); err != nil {
return nil, err
}
if req.Mask != nil {
if err := fb.CreateFormFile("mask", req.Mask); err != nil {
return nil, err
}
}
if err := fb.WriteField("prompt", req.Prompt); err != nil {
return nil, err
}
if req.N == 0 {
req.N = 1
}
if err := fb.WriteField("n", strconv.Itoa(req.N)); err != nil {
return nil, err
}
if err := fb.WriteField("size", req.Size.String()); err != nil {
return nil, err
}
if err := fb.WriteField("response_format", req.ResponseFormat.String()); err != nil {
return nil, err
}
if err := fb.WriteField("user", req.User); err != nil {
return nil, err
}
if err := fb.Close(); err != nil {
return nil, err
}
resp, err := i.client.PostFile(ctx, &client.APIConfig{Path: editImageEndpoint}, body, fb.FormDataContentType())
if err != nil {
return nil, err
}
return responseHandler[*entity.ImageResponse](resp)
}
// CreateImageVariation Creates a variation of a given image
func (i *Image) CreateImageVariation(ctx context.Context, req entity.ImageVariationRequest) (*entity.ImageResponse, error) {
if err := i.client.GetValidator().Struct(req); err != nil {
return nil, err
}
body := new(bytes.Buffer)
fb := utils.NewFormBuilder(body)
if err := fb.CreateFormFile("image", req.Image); err != nil {
return nil, err
}
if req.N == 0 {
req.N = 1
}
if err := fb.WriteField("n", strconv.Itoa(req.N)); err != nil {
return nil, err
}
if err := fb.WriteField("size", req.Size.String()); err != nil {
return nil, err
}
if err := fb.WriteField("response_format", req.ResponseFormat.String()); err != nil {
return nil, err
}
if err := fb.WriteField("user", req.User); err != nil {
return nil, err
}
if err := fb.Close(); err != nil {
return nil, err
}
resp, err := i.client.PostFile(ctx, &client.APIConfig{Path: createImageVariationEndpoint}, body, fb.FormDataContentType())
if err != nil {
return nil, err
}
return responseHandler[*entity.ImageResponse](resp)
}