FloorVisualizer/internal/openrouter/chat.go
dindang 94895cbc22 Initial commit: FloorVisualizer backend
- Go API server with PostgreSQL + Redis
- AI floor replacement (OpenRouter Gemini)
- Product database (10 brands, 3539 products)
- Recommendation engine, calculator, articles
- Redis async queue + worker pool
- Hot product caching, brand view tracking
- JWT auth, favorites, projects
- Docker deployment ready

Co-Authored-By: Claude <noreply@anthropic.com>
2026-07-16 09:47:11 +08:00

94 lines
2.4 KiB
Go

package openrouter
import "context"
type ChatRequest struct {
Model string `json:"model"`
Messages []Message `json:"messages"`
Modalities []string `json:"modalities,omitempty"`
ImageConfig *ImageConfig `json:"image_config,omitempty"`
Provider *Provider `json:"provider,omitempty"`
TopP *float64 `json:"top_p,omitempty"`
Stream bool `json:"stream,omitempty"`
}
type ImageConfig struct {
AspectRatio string `json:"aspect_ratio,omitempty"`
ImageSize string `json:"image_size,omitempty"`
}
type Provider struct {
Order []string `json:"order,omitempty"`
Only []string `json:"only,omitempty"`
AllowFallbacks *bool `json:"allow_fallbacks,omitempty"`
RequireParameters *bool `json:"require_parameters,omitempty"`
}
type Message struct {
Role string `json:"role"`
Content []ContentPart `json:"content"`
}
type ContentPart struct {
Type string `json:"type"`
Text string `json:"text,omitempty"`
ImageURL *ImageURL `json:"image_url,omitempty"`
}
type ImageURL struct {
URL string `json:"url"`
}
type ChatResponse struct {
Choices []Choice `json:"choices"`
}
type Choice struct {
Message AssistantMessage `json:"message"`
}
type AssistantMessage struct {
Content string `json:"content"`
Images []ResponseImage `json:"images,omitempty"`
}
type ResponseImage struct {
Type string `json:"type"`
ImageURL ImageURL `json:"image_url"`
}
// Chat sends a chat completion request to the OpenRouter API.
func (c *Client) Chat(ctx context.Context, req ChatRequest) (*ChatResponse, error) {
return c.chatCompletion(ctx, req)
}
func (c *Client) chatCompletion(ctx context.Context, req ChatRequest) (*ChatResponse, error) {
var resp chatResponseRaw
if err := c.do(ctx, "/chat/completions", req, &resp); err != nil {
return nil, err
}
if resp.Error != nil {
return nil, &APIError{Message: resp.Error.Message, Code: resp.Error.Code}
}
return &ChatResponse{Choices: resp.Choices}, nil
}
// APIError API 返回的业务错误
type APIError struct {
Message string
Code any
}
func (e *APIError) Error() string {
return "openrouter: api error: " + e.Message
}
// chatResponseRaw 包含 error 字段,仅用于内部解析
type chatResponseRaw struct {
Choices []Choice `json:"choices"`
Error *struct {
Message string `json:"message"`
Code any `json:"code"`
} `json:"error"`
}