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Add support for cache control in ChatCompletionMessage #963

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Add support for cache control in ChatCompletionMessage #963

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17 changes: 17 additions & 0 deletions chat.go
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Original file line number Diff line number Diff line change
Expand Up @@ -92,6 +92,16 @@ type ChatMessagePart struct {
ImageURL *ChatMessageImageURL `json:"image_url,omitempty"`
}

type CacheControlType string

const (
CacheControlTypeEphemeral CacheControlType = "ephemeral"
)

type CacheControl struct {
Type CacheControlType `json:"type,omitempty"`
}

type ChatCompletionMessage struct {
Role string `json:"role"`
Content string `json:"content,omitempty"`
Expand All @@ -111,6 +121,9 @@ type ChatCompletionMessage struct {

// For Role=tool prompts this should be set to the ID given in the assistant's prior request to call a tool.
ToolCallID string `json:"tool_call_id,omitempty"`

// CacheControl is used to control the caching behavior of the message. Used by Litellm.
CacheControl *CacheControl `json:"cache_control,omitempty"`
}

func (m ChatCompletionMessage) MarshalJSON() ([]byte, error) {
Expand All @@ -127,6 +140,7 @@ func (m ChatCompletionMessage) MarshalJSON() ([]byte, error) {
FunctionCall *FunctionCall `json:"function_call,omitempty"`
ToolCalls []ToolCall `json:"tool_calls,omitempty"`
ToolCallID string `json:"tool_call_id,omitempty"`
CacheControl *CacheControl `json:"cache_control,omitempty"`
}(m)
return json.Marshal(msg)
}
Expand All @@ -140,6 +154,7 @@ func (m ChatCompletionMessage) MarshalJSON() ([]byte, error) {
FunctionCall *FunctionCall `json:"function_call,omitempty"`
ToolCalls []ToolCall `json:"tool_calls,omitempty"`
ToolCallID string `json:"tool_call_id,omitempty"`
CacheControl *CacheControl `json:"cache_control,omitempty"`
}(m)
return json.Marshal(msg)
}
Expand All @@ -154,6 +169,7 @@ func (m *ChatCompletionMessage) UnmarshalJSON(bs []byte) error {
FunctionCall *FunctionCall `json:"function_call,omitempty"`
ToolCalls []ToolCall `json:"tool_calls,omitempty"`
ToolCallID string `json:"tool_call_id,omitempty"`
CacheControl *CacheControl `json:"cache_control,omitempty"`
}{}

if err := json.Unmarshal(bs, &msg); err == nil {
Expand All @@ -169,6 +185,7 @@ func (m *ChatCompletionMessage) UnmarshalJSON(bs []byte) error {
FunctionCall *FunctionCall `json:"function_call,omitempty"`
ToolCalls []ToolCall `json:"tool_calls,omitempty"`
ToolCallID string `json:"tool_call_id,omitempty"`
CacheControl *CacheControl `json:"cache_control,omitempty"`
}{}
if err := json.Unmarshal(bs, &multiMsg); err != nil {
return err
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