Files
Laniakea/handler.go
2026-02-19 13:27:03 +03:00

149 lines
3.3 KiB
Go

package laniakea
import (
"encoding/base64"
"encoding/json"
"strings"
"git.nix13.pw/scuroneko/laniakea/tgapi"
)
func (bot *Bot[T]) handle(u *tgapi.Update) {
ctx := &MsgContext{Update: *u, Api: bot.api, botLogger: bot.logger, errorTemplate: bot.errorTemplate, l10n: bot.l10n}
for _, middleware := range bot.middlewares {
middleware.Execute(ctx, bot.dbContext)
}
if u.CallbackQuery != nil {
bot.handleCallback(u, ctx)
} else {
bot.handleMessage(u, ctx)
}
}
func (bot *Bot[T]) handleMessage(update *tgapi.Update, ctx *MsgContext) {
if update.Message == nil {
return
}
var text string
if len(update.Message.Text) > 0 {
text = update.Message.Text
} else {
text = update.Message.Caption
}
text = strings.TrimSpace(text)
prefix, hasPrefix := bot.checkPrefixes(text)
if !hasPrefix {
return
}
ctx.Prefix = prefix
ctx.FromID = update.Message.From.ID
ctx.From = update.Message.From
ctx.Msg = update.Message
text = strings.TrimSpace(text[len(prefix):])
for _, plugin := range bot.plugins {
for cmd := range plugin.Commands {
if !strings.HasPrefix(text, cmd) {
continue
}
requestParts := strings.Split(text, " ")
cmdParts := strings.Split(cmd, " ")
isValid := true
for i, part := range cmdParts {
if part != requestParts[i] {
isValid = false
break
}
}
if !isValid {
continue
}
ctx.Text = strings.TrimSpace(text[len(cmd):])
if ctx.Text == "" {
ctx.Args = []string{}
} else {
ctx.Args = strings.Split(ctx.Text, " ")
}
if !plugin.executeMiddlewares(ctx, bot.dbContext) {
return
}
go plugin.executeCmd(cmd, ctx, bot.dbContext)
return
}
}
}
func (bot *Bot[T]) handleCallback(update *tgapi.Update, ctx *MsgContext) {
data := new(CallbackData)
err := json.Unmarshal([]byte(update.CallbackQuery.Data), data)
if err != nil {
bot.logger.Errorln(err)
return
}
ctx.FromID = update.CallbackQuery.From.ID
ctx.From = &update.CallbackQuery.From
ctx.Msg = &update.CallbackQuery.Message
ctx.CallbackMsgId = update.CallbackQuery.Message.MessageID
ctx.CallbackQueryId = update.CallbackQuery.ID
ctx.Args = data.Args
for _, plugin := range bot.plugins {
_, ok := plugin.Payloads[data.Command]
if !ok {
continue
}
if !plugin.executeMiddlewares(ctx, bot.dbContext) {
return
}
go plugin.executePayload(data.Command, ctx, bot.dbContext)
return
}
}
func (bot *Bot[T]) checkPrefixes(text string) (string, bool) {
for _, prefix := range bot.prefixes {
if strings.HasPrefix(text, prefix) {
return prefix, true
}
}
return "", false
}
func encodeJsonPayload(d CallbackData) (string, error) {
b, err := json.Marshal(d)
if err != nil {
return "", err
}
return string(b), nil
}
func decodeJsonPayload(s string) (CallbackData, error) {
var data CallbackData
err := json.Unmarshal([]byte(s), &data)
return data, err
}
func encodeBase64Payload(d CallbackData) (string, error) {
data, err := encodeJsonPayload(d)
if err != nil {
return "", err
}
dst := make([]byte, base64.StdEncoding.EncodedLen(len([]byte(data))))
base64.StdEncoding.Encode(dst, []byte(data))
return string(dst), nil
}
func decodeBase64Payload(s string) (CallbackData, error) {
b, err := base64.StdEncoding.DecodeString(s)
if err != nil {
return CallbackData{}, err
}
return decodeJsonPayload(string(b))
}