// Copyright 2024 Google LLC
// SPDX-License-Identifier: Apache-2.0
package snippets
import (
"context"
"errors"
"fmt"
"log"
"github.com/firebase/genkit/go/ai"
"github.com/firebase/genkit/go/ai/prompt"
"github.com/firebase/genkit/go/genkit"
)
func pr01() {
ctx := context.Background()
g, err := genkit.Init(ctx)
if err != nil {
log.Fatal(err)
}
model := genkit.LookupModel(g, "googleai", "gemini-1.5-flash")
// [START pr01]
genkit.Generate(context.Background(), g,
ai.WithModel(model),
ai.WithTextPrompt("You are a helpful AI assistant named Walt."))
// [END pr01]
}
// [START hello]
func helloPrompt(name string) *ai.Part {
prompt := fmt.Sprintf("You are a helpful AI assistant named Walt. Say hello to %s.", name)
return ai.NewTextPart(prompt)
}
// [END hello]
func pr02() {
ctx := context.Background()
g, err := genkit.Init(ctx)
if err != nil {
log.Fatal(err)
}
model := genkit.LookupModel(g, "googleai", "gemini-1.5-flash")
// [START pr02]
response, err := genkit.GenerateText(context.Background(), g,
ai.WithModel(model),
ai.WithMessages(ai.NewUserMessage(helloPrompt("Fred"))))
// [END pr02]
if err == nil {
_ = response
}
}
func pr03() error {
ctx := context.Background()
g, err := genkit.Init(ctx)
if err != nil {
log.Fatal(err)
}
model := genkit.LookupModel(g, "googleai", "gemini-1.5-flash")
// [START pr03_1]
type HelloPromptInput struct {
UserName string
}
helloPrompt, err := genkit.DefinePrompt(
g,
"prompts",
"helloPrompt",
prompt.WithInputType(HelloPromptInput{}),
prompt.WithSystemFn(func(ctx context.Context, input any) (string, error) {
params, ok := input.(HelloPromptInput)
if !ok {
return "", errors.New("input doesn't satisfy schema")
}
prompt := fmt.Sprintf(
"You are a helpful AI assistant named Walt. Say hello to %s.",
params.UserName)
return prompt, nil
}),
)
// [END pr03_1]
// [START pr03_2]
request, err := helloPrompt.Render(context.Background(), HelloPromptInput{UserName: "Fred"})
if err != nil {
return err
}
response, err := genkit.GenerateWithRequest(context.Background(), g, model, request, nil, nil, nil)
// [END pr03_2]
_ = response
_ = err
return nil
}