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|
package flux
import (
"bytes"
"encoding/json"
"fmt"
"net/http"
"time"
"within.website/x/web"
)
// Struct definitions based on the OpenAPI schema
type Input struct {
Prompt string `json:"prompt"`
Image string `json:"image,omitempty"`
AspectRatio string `json:"aspect_ratio,omitempty"`
NumOutputs int `json:"num_outputs"`
GuidanceScale float64 `json:"guidance_scale"`
MaxSequenceLength int `json:"max_sequence_length"`
NumInferenceSteps int `json:"num_inference_steps"`
PromptStrength float64 `json:"prompt_strength"`
Seed *int `json:"seed,omitempty"`
OutputFormat string `json:"output_format"`
OutputQuality int `json:"output_quality"`
}
type Output []string
type PredictionRequest struct {
Input Input `json:"input"`
ID string `json:"id,omitempty"`
CreatedAt string `json:"created_at,omitempty"`
OutputFilePrefix string `json:"output_file_prefix,omitempty"`
Webhook string `json:"webhook,omitempty"`
WebhookEventsFilter []string `json:"webhook_events_filter,omitempty"`
}
type PredictionResponse struct {
Input Input `json:"input"`
Output Output `json:"output"`
ID string `json:"id"`
Version string `json:"version"`
CreatedAt string `json:"created_at"`
StartedAt string `json:"started_at"`
CompletedAt string `json:"completed_at"`
Logs string `json:"logs"`
Error string `json:"error"`
Status string `json:"status"`
Metrics map[string]interface{} `json:"metrics"`
}
type HTTPValidationError struct {
Detail []ValidationError `json:"detail"`
}
type ValidationError struct {
Loc []interface{} `json:"loc"`
Msg string `json:"msg"`
Type string `json:"type"`
}
// HealthCheckResponse represents the response structure for the health check endpoint.
type HealthCheckResponse struct {
Status string `json:"status"`
}
// Client struct
type Client struct {
BaseURL string
HTTPClient *http.Client
}
// NewClient creates a new API client
func NewClient(baseURL string) *Client {
return &Client{
BaseURL: baseURL,
HTTPClient: &http.Client{Timeout: 10 * time.Minute},
}
}
// Methods to interact with the API endpoints
func (c *Client) Predict(predictionReq PredictionRequest) (*PredictionResponse, error) {
body, err := json.Marshal(predictionReq)
if err != nil {
return nil, err
}
req, err := http.NewRequest("POST", fmt.Sprintf("%s/predictions", c.BaseURL), bytes.NewBuffer(body))
if err != nil {
return nil, err
}
req.Header.Set("Content-Type", "application/json")
resp, err := c.HTTPClient.Do(req)
if err != nil {
return nil, err
}
defer resp.Body.Close()
if resp.StatusCode != http.StatusOK {
return nil, web.NewError(http.StatusOK, resp)
}
var predictionResp PredictionResponse
err = json.NewDecoder(resp.Body).Decode(&predictionResp)
if err != nil {
return nil, err
}
return &predictionResp, nil
}
func (c *Client) PredictIdempotent(predictionID string, predictionReq PredictionRequest) (*PredictionResponse, error) {
body, err := json.Marshal(predictionReq)
if err != nil {
return nil, err
}
req, err := http.NewRequest("PUT", fmt.Sprintf("%s/predictions/%s", c.BaseURL, predictionID), bytes.NewBuffer(body))
if err != nil {
return nil, err
}
req.Header.Set("Content-Type", "application/json")
resp, err := c.HTTPClient.Do(req)
if err != nil {
return nil, err
}
defer resp.Body.Close()
if resp.StatusCode != http.StatusOK {
return nil, web.NewError(http.StatusOK, resp)
}
var predictionResp PredictionResponse
err = json.NewDecoder(resp.Body).Decode(&predictionResp)
if err != nil {
return nil, err
}
return &predictionResp, nil
}
func (c *Client) CancelPrediction(predictionID string) (*http.Response, error) {
req, err := http.NewRequest("POST", fmt.Sprintf("%s/predictions/%s/cancel", c.BaseURL, predictionID), nil)
if err != nil {
return nil, err
}
resp, err := c.HTTPClient.Do(req)
if err != nil {
return nil, err
}
defer resp.Body.Close()
if resp.StatusCode != http.StatusOK {
return nil, web.NewError(http.StatusOK, resp)
}
return resp, nil
}
// HealthCheck checks the health of the service
func (c *Client) HealthCheck() (*HealthCheckResponse, error) {
req, err := http.NewRequest("GET", fmt.Sprintf("%s/health-check", c.BaseURL), nil)
if err != nil {
return nil, err
}
resp, err := c.HTTPClient.Do(req)
if err != nil {
return nil, err
}
defer resp.Body.Close()
if resp.StatusCode != http.StatusOK {
return nil, web.NewError(resp.StatusCode, resp)
}
var healthResp HealthCheckResponse
err = json.NewDecoder(resp.Body).Decode(&healthResp)
if err != nil {
return nil, err
}
return &healthResp, nil
}
|
