llamachat/main.go

148 lines
2.9 KiB
Go

package main
import (
"context"
"fmt"
"github.com/elk-language/go-prompt"
"github.com/fatih/color"
"github.com/ollama/ollama/api"
"log"
"os"
"strings"
)
var conversation []api.Message
var ollama *api.Client
func convertRole(role MessageType) string {
if role == MT_SYSTEM {
return "system"
} else if role == MT_ASSISTANT {
return "assistant"
} else if role == MT_USER {
return "user"
} else {
log.Fatalf("Invalid role type %d\n", role)
return ""
}
}
func roleToInt(role string) MessageType {
if role == "system" {
return MT_SYSTEM
} else if role == "assistant" {
return MT_ASSISTANT
} else if role == "user" {
return MT_USER
} else {
log.Fatalf("Invalid role type %s\n", role)
return 0
}
}
func colorRole(role MessageType) string {
if role == MT_SYSTEM {
return color.RedString("system")
} else if role == MT_ASSISTANT {
return color.GreenString("assistant")
} else if role == MT_USER {
return color.BlueString("user")
} else {
log.Fatalf("Invalid role type %d\n", role)
return ""
}
}
func loadMessageFromDb() []api.Message {
dbMessages := GetMesages()
var chatMessages []api.Message
for _, msg := range dbMessages {
message := api.Message{
Role: convertRole(msg.Type),
Content: msg.Content,
}
chatMessages = append(chatMessages, message)
fmt.Printf("%s: %s\n", colorRole(roleToInt(message.Role)), message.Content)
}
return chatMessages
}
func executeCommand(cli string) {
args := strings.Split(cli, " ")
for _, cmd := range Commands {
if cmd.Name == args[0] {
cmd.Action(args)
return
}
}
fmt.Println("Unknown command")
}
func onUserInput(input string) {
if strings.HasPrefix(input, "/") {
executeCommand(input)
return
}
err := SaveMessage(MT_USER, input)
if err != nil {
log.Fatal(err)
}
conversation = append(conversation, api.Message{
Role: convertRole(MT_USER),
Content: input,
})
ctx := context.Background()
req := &api.ChatRequest{
Model: "llama3.2:1b",
Messages: conversation,
}
fullResponse := ""
respFunc := func(resp api.ChatResponse) error {
fullResponse = fullResponse + resp.Message.Content
fmt.Print(resp.Message.Content)
if !resp.Done {
return nil
}
return SaveMessage(MT_ASSISTANT, fullResponse)
}
fmt.Print(colorRole(MT_ASSISTANT), ": ")
err = ollama.Chat(ctx, req, respFunc)
if err != nil {
log.Fatal(err)
}
conversation = append(conversation, api.Message{
Role: convertRole(MT_ASSISTANT),
Content: fullResponse,
})
fmt.Println()
}
func main() {
var err error
if len(os.Args) <= 1 {
log.Fatal("Missing command line parameter")
}
ollama, err = api.ClientFromEnvironment()
if err != nil {
log.Fatal(err)
}
dbName := os.Args[1]
OpenDb(dbName)
conversation = loadMessageFromDb()
runner := prompt.New(
onUserInput,
prompt.WithTitle("llamachat"),
prompt.WithPrefix("user: "),
prompt.WithCompleter(Completer),
)
runner.Run()
}