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package cli
import (
"fmt"
"os"
"path/filepath"
"github.com/google/uuid"
"golang.org/x/xerrors"
"github.com/coder/coder/v2/agent/agentcontextconfig"
"github.com/coder/coder/v2/codersdk/agentsdk"
"github.com/coder/serpent"
)
func (r *RootCmd) chatCommand() *serpent.Command {
return &serpent.Command{
Use: "chat",
Short: "Manage agent chats",
Long: "Commands for interacting with chats from within a workspace.",
Handler: func(i *serpent.Invocation) error {
return i.Command.HelpHandler(i)
},
Children: []*serpent.Command{
r.chatContextCommand(),
},
}
}
func (r *RootCmd) chatContextCommand() *serpent.Command {
return &serpent.Command{
Use: "context",
Short: "Manage chat context",
Long: "Add or clear context files and skills for an active chat session.",
Handler: func(i *serpent.Invocation) error {
return i.Command.HelpHandler(i)
},
Children: []*serpent.Command{
r.chatContextAddCommand(),
r.chatContextClearCommand(),
},
}
}
func (*RootCmd) chatContextAddCommand() *serpent.Command {
var (
dir string
chatID string
)
agentAuth := &AgentAuth{}
cmd := &serpent.Command{
Use: "add",
Short: "Add context to an active chat",
Long: "Read instruction files and discover skills from a directory, then add " +
"them as context to an active chat session. Multiple calls " +
"are additive.",
Handler: func(inv *serpent.Invocation) error {
ctx := inv.Context()
ctx, stop := inv.SignalNotifyContext(ctx, StopSignals...)
defer stop()
if dir == "" && inv.Environ.Get("CODER") != "true" {
return xerrors.New("this command must be run inside a Coder workspace (set --dir to override)")
}
client, err := agentAuth.CreateClient()
if err != nil {
return xerrors.Errorf("create agent client: %w", err)
}
resolvedDir := dir
if resolvedDir == "" {
resolvedDir, err = os.Getwd()
if err != nil {
return xerrors.Errorf("get working directory: %w", err)
}
}
resolvedDir, err = filepath.Abs(resolvedDir)
if err != nil {
return xerrors.Errorf("resolve directory: %w", err)
}
info, err := os.Stat(resolvedDir)
if err != nil {
return xerrors.Errorf("cannot read directory %q: %w", resolvedDir, err)
}
if !info.IsDir() {
return xerrors.Errorf("%q is not a directory", resolvedDir)
}
parts := agentcontextconfig.ContextPartsFromDir(resolvedDir)
if len(parts) == 0 {
_, _ = fmt.Fprintln(inv.Stderr, "No context files or skills found in "+resolvedDir)
return nil
}
// Resolve chat ID from flag or auto-detect.
resolvedChatID, err := parseChatID(chatID)
if err != nil {
return err
}
resp, err := client.AddChatContext(ctx, agentsdk.AddChatContextRequest{
ChatID: resolvedChatID,
Parts: parts,
})
if err != nil {
return xerrors.Errorf("add chat context: %w", err)
}
_, _ = fmt.Fprintf(inv.Stdout, "Added %d context part(s) to chat %s\n", resp.Count, resp.ChatID)
return nil
},
Options: serpent.OptionSet{
{
Name: "Directory",
Flag: "dir",
Description: "Directory to read context files and skills from. Defaults to the current working directory.",
Value: serpent.StringOf(&dir),
},
{
Name: "Chat ID",
Flag: "chat",
Env: "CODER_CHAT_ID",
Description: "Chat ID to add context to. Auto-detected from CODER_CHAT_ID, the only active chat, or the only top-level active chat.",
Value: serpent.StringOf(&chatID),
},
},
}
agentAuth.AttachOptions(cmd, false)
return cmd
}
func (*RootCmd) chatContextClearCommand() *serpent.Command {
var chatID string
agentAuth := &AgentAuth{}
cmd := &serpent.Command{
Use: "clear",
Short: "Clear context from an active chat",
Long: "Soft-delete all context-file and skill messages from an active chat. " +
"The next turn will re-fetch default context from the agent.",
Handler: func(inv *serpent.Invocation) error {
ctx := inv.Context()
ctx, stop := inv.SignalNotifyContext(ctx, StopSignals...)
defer stop()
client, err := agentAuth.CreateClient()
if err != nil {
return xerrors.Errorf("create agent client: %w", err)
}
resolvedChatID, err := parseChatID(chatID)
if err != nil {
return err
}
resp, err := client.ClearChatContext(ctx, agentsdk.ClearChatContextRequest{
ChatID: resolvedChatID,
})
if err != nil {
return xerrors.Errorf("clear chat context: %w", err)
}
if resp.ChatID == uuid.Nil {
_, _ = fmt.Fprintln(inv.Stdout, "No active chats to clear.")
} else {
_, _ = fmt.Fprintf(inv.Stdout, "Cleared context from chat %s\n", resp.ChatID)
}
return nil
},
Options: serpent.OptionSet{{
Name: "Chat ID",
Flag: "chat",
Env: "CODER_CHAT_ID",
Description: "Chat ID to clear context from. Auto-detected from CODER_CHAT_ID, the only active chat, or the only top-level active chat.",
Value: serpent.StringOf(&chatID),
}},
}
agentAuth.AttachOptions(cmd, false)
return cmd
}
// parseChatID returns the chat UUID from the flag value (which
// serpent already populates from --chat or CODER_CHAT_ID). Returns
// uuid.Nil if empty (the server will auto-detect).
func parseChatID(flagValue string) (uuid.UUID, error) {
if flagValue == "" {
return uuid.Nil, nil
}
parsed, err := uuid.Parse(flagValue)
if err != nil {
return uuid.Nil, xerrors.Errorf("invalid chat ID %q: %w", flagValue, err)
}
return parsed, nil
}