88 lines
2.6 KiB
Go
88 lines
2.6 KiB
Go
package api
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import (
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"errors"
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"fmt"
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)
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// ResponseRequest models the Open Responses create request payload.
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type ResponseRequest struct {
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Model string `json:"model"`
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Provider string `json:"provider,omitempty"`
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MaxOutputTokens int `json:"max_output_tokens,omitempty"`
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Metadata map[string]string `json:"metadata,omitempty"`
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Input []Message `json:"input"`
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Stream bool `json:"stream,omitempty"`
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PreviousResponseID string `json:"previous_response_id,omitempty"`
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}
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// Message captures user, assistant, or system roles.
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type Message struct {
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Role string `json:"role"`
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Content []ContentBlock `json:"content"`
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}
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// ContentBlock represents a typed content element (text, data, tool call, etc.).
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type ContentBlock struct {
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Type string `json:"type"`
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Text string `json:"text,omitempty"`
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}
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// Response is a simplified Open Responses response payload.
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type Response struct {
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ID string `json:"id"`
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Object string `json:"object"`
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Created int64 `json:"created"`
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Model string `json:"model"`
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Provider string `json:"provider"`
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Output []Message `json:"output"`
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Usage Usage `json:"usage"`
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}
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// Usage captures token accounting.
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type Usage struct {
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InputTokens int `json:"input_tokens"`
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OutputTokens int `json:"output_tokens"`
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TotalTokens int `json:"total_tokens"`
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}
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// StreamChunk represents a single Server-Sent Event in a streaming response.
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type StreamChunk struct {
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ID string `json:"id,omitempty"`
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Object string `json:"object"`
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Created int64 `json:"created,omitempty"`
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Model string `json:"model,omitempty"`
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Provider string `json:"provider,omitempty"`
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Delta *StreamDelta `json:"delta,omitempty"`
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Usage *Usage `json:"usage,omitempty"`
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Done bool `json:"done,omitempty"`
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}
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// StreamDelta represents incremental content in a stream chunk.
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type StreamDelta struct {
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Role string `json:"role,omitempty"`
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Content []ContentBlock `json:"content,omitempty"`
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}
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// Validate performs basic structural validation.
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func (r *ResponseRequest) Validate() error {
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if r == nil {
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return errors.New("request is nil")
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}
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if r.Model == "" {
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return errors.New("model is required")
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}
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if len(r.Input) == 0 {
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return errors.New("input messages are required")
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}
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for i, msg := range r.Input {
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if msg.Role == "" {
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return fmt.Errorf("input[%d] role is required", i)
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}
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if len(msg.Content) == 0 {
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return fmt.Errorf("input[%d] content is required", i)
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}
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}
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return nil
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}
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