mirror of
https://github.com/mautrix/discord.git
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117 lines
2.3 KiB
Go
117 lines
2.3 KiB
Go
package bridge
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import (
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"fmt"
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"strings"
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"github.com/alecthomas/kong"
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"github.com/google/shlex"
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"maunium.net/go/maulogger/v2"
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"maunium.net/go/mautrix/id"
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)
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type commandHandler struct {
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bridge *Bridge
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log maulogger.Logger
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}
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func newCommandHandler(bridge *Bridge) *commandHandler {
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return &commandHandler{
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bridge: bridge,
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log: bridge.log.Sub("Commands"),
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}
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}
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func commandsHelpPrinter(options kong.HelpOptions, ctx *kong.Context) error {
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selected := ctx.Selected()
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if selected == nil {
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for _, cmd := range ctx.Model.Leaves(true) {
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fmt.Fprintf(ctx.Stdout, " * %s - %s\n", cmd.Path(), cmd.Help)
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}
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} else {
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fmt.Fprintf(ctx.Stdout, "%s - %s\n", selected.Path(), selected.Help)
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if selected.Detail != "" {
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fmt.Fprintf(ctx.Stdout, "\n%s\n", selected.Detail)
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}
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if len(selected.Positional) > 0 {
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fmt.Fprintf(ctx.Stdout, "\nArguments:\n")
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for _, arg := range selected.Positional {
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fmt.Fprintf(ctx.Stdout, "%s %s\n", arg.Summary(), arg.Help)
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}
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}
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}
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return nil
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}
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func (h *commandHandler) handle(roomID id.RoomID, user *User, message string, replyTo id.EventID) {
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cmd := commands{
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globals: globals{
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bot: h.bridge.bot,
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bridge: h.bridge,
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portal: h.bridge.GetPortalByMXID(roomID),
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handler: h,
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roomID: roomID,
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user: user,
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replyTo: replyTo,
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},
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}
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buf := &strings.Builder{}
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parse, err := kong.New(
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&cmd,
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kong.Exit(func(int) {}),
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kong.NoDefaultHelp(),
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kong.Writers(buf, buf),
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kong.Help(commandsHelpPrinter),
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)
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if err != nil {
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h.log.Warnf("Failed to create argument parser for %q: %v", roomID, err)
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cmd.globals.reply("unexpected error, please try again shortly")
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return
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}
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args, err := shlex.Split(message)
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if err != nil {
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h.log.Warnf("Failed to split message %q: %v", message, err)
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cmd.globals.reply("failed to process the command")
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return
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}
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ctx, err := parse.Parse(args)
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if err != nil {
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h.log.Warnf("Failed to parse command %q: %v", message, err)
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cmd.globals.reply(fmt.Sprintf("failed to process the command: %v", err))
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return
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}
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cmd.globals.context = ctx
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err = ctx.Run(&cmd.globals)
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if err != nil {
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h.log.Warnf("Command %q failed: %v", message, err)
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output := buf.String()
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if output != "" {
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cmd.globals.reply(output)
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} else {
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cmd.globals.reply("unexpected failure")
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}
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return
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}
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if buf.Len() > 0 {
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cmd.globals.reply(buf.String())
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}
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}
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