63 lines
2.2 KiB
Go
63 lines
2.2 KiB
Go
// Package gemini provides minimal fallback model metadata for Gemini native endpoints.
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// It is used when upstream model listing is unavailable (e.g. OAuth token missing AI Studio scopes).
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package gemini
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import "strings"
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type Model struct {
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Name string `json:"name"`
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DisplayName string `json:"displayName,omitempty"`
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Description string `json:"description,omitempty"`
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SupportedGenerationMethods []string `json:"supportedGenerationMethods,omitempty"`
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}
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type ModelsListResponse struct {
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Models []Model `json:"models"`
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}
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func DefaultModels() []Model {
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methods := []string{"generateContent", "streamGenerateContent"}
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return []Model{
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{Name: "models/gemini-2.0-flash", SupportedGenerationMethods: methods},
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{Name: "models/gemini-2.5-flash", SupportedGenerationMethods: methods},
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{Name: "models/gemini-2.5-flash-image", SupportedGenerationMethods: methods},
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{Name: "models/gemini-2.5-pro", SupportedGenerationMethods: methods},
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{Name: "models/gemini-3-flash-preview", SupportedGenerationMethods: methods},
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{Name: "models/gemini-3-pro-preview", SupportedGenerationMethods: methods},
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{Name: "models/gemini-3.1-pro-preview", SupportedGenerationMethods: methods},
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{Name: "models/gemini-3.1-pro-preview-customtools", SupportedGenerationMethods: methods},
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{Name: "models/gemini-3.1-flash-image", SupportedGenerationMethods: methods},
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}
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}
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func HasFallbackModel(model string) bool {
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trimmed := strings.TrimSpace(model)
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if trimmed == "" {
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return false
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}
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if !strings.HasPrefix(trimmed, "models/") {
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trimmed = "models/" + trimmed
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}
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for _, model := range DefaultModels() {
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if model.Name == trimmed {
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return true
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}
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}
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return false
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}
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func FallbackModelsList() ModelsListResponse {
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return ModelsListResponse{Models: DefaultModels()}
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}
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func FallbackModel(model string) Model {
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methods := []string{"generateContent", "streamGenerateContent"}
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if model == "" {
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return Model{Name: "models/unknown", SupportedGenerationMethods: methods}
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}
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if len(model) >= 7 && model[:7] == "models/" {
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return Model{Name: model, SupportedGenerationMethods: methods}
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}
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return Model{Name: "models/" + model, SupportedGenerationMethods: methods}
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}
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