package model type Message struct { Role string `json:"role,omitempty"` Content any `json:"content,omitempty"` Name *string `json:"name,omitempty"` ToolCalls []Tool `json:"tool_calls,omitempty"` } func (m Message) IsStringContent() bool { _, ok := m.Content.(string) return ok } func (m Message) StringContent() string { content, ok := m.Content.(string) if ok { return content } contentList, ok := m.Content.([]any) if ok { var contentStr string for _, contentItem := range contentList { contentMap, ok := contentItem.(map[string]any) if !ok { continue } if contentMap["type"] == ContentTypeText { if subStr, ok := contentMap["text"].(string); ok { contentStr += subStr } } } return contentStr } return "" } func (m Message) ParseContent() []MessageContent { var contentList []MessageContent content, ok := m.Content.(string) if ok { contentList = append(contentList, MessageContent{ Type: ContentTypeText, Text: content, }) return contentList } anyList, ok := m.Content.([]any) if ok { for _, contentItem := range anyList { contentMap, ok := contentItem.(map[string]any) if !ok { continue } switch contentMap["type"] { case ContentTypeText: if subStr, ok := contentMap["text"].(string); ok { contentList = append(contentList, MessageContent{ Type: ContentTypeText, Text: subStr, }) } case ContentTypeImageURL: if subObj, ok := contentMap["image_url"].(map[string]any); ok { contentList = append(contentList, MessageContent{ Type: ContentTypeImageURL, ImageURL: &ImageURL{ Url: subObj["url"].(string), }, }) } } } return contentList } return nil } type ImageURL struct { Url string `json:"url,omitempty"` Detail string `json:"detail,omitempty"` } type MessageContent struct { Type string `json:"type,omitempty"` Text string `json:"text"` ImageURL *ImageURL `json:"image_url,omitempty"` }