This commit is contained in:
dela
2026-02-04 22:33:45 +08:00
commit d82badc6e3
16 changed files with 2261 additions and 0 deletions

67
internal/config/config.go Normal file
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package config
import (
"fmt"
"os"
"gopkg.in/yaml.v3"
)
type Config struct {
Bot BotConfig `yaml:"bot"`
Admins []int64 `yaml:"admins"`
Channel ChannelConfig `yaml:"channel"`
Database DatabaseConfig `yaml:"database"`
TOC TOCConfig `yaml:"toc"`
}
type BotConfig struct {
Token string `yaml:"token"`
}
type ChannelConfig struct {
ID int64 `yaml:"id"`
}
type DatabaseConfig struct {
Path string `yaml:"path"`
}
type TOCConfig struct {
DebounceSeconds int `yaml:"debounce_seconds"`
}
func Load(path string) (*Config, error) {
data, err := os.ReadFile(path)
if err != nil {
return nil, fmt.Errorf("failed to read config file: %w", err)
}
var cfg Config
if err := yaml.Unmarshal(data, &cfg); err != nil {
return nil, fmt.Errorf("failed to parse config: %w", err)
}
if cfg.Bot.Token == "" {
return nil, fmt.Errorf("bot token is required")
}
if cfg.Database.Path == "" {
cfg.Database.Path = "./data/bot.db"
}
if cfg.TOC.DebounceSeconds <= 0 {
cfg.TOC.DebounceSeconds = 3
}
return &cfg, nil
}
func (c *Config) IsAdmin(userID int64) bool {
for _, id := range c.Admins {
if id == userID {
return true
}
}
return false
}

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package storage
import (
"fmt"
"sort"
"time"
bolt "go.etcd.io/bbolt"
)
func (s *Storage) CreateCategory(name string, order int) error {
return s.db.Update(func(tx *bolt.Tx) error {
b := tx.Bucket(bucketCategories)
if b.Get([]byte(name)) != nil {
return fmt.Errorf("category %q already exists", name)
}
cat := Category{
Name: name,
Order: order,
CreatedAt: time.Now(),
}
data, err := encodeJSON(cat)
if err != nil {
return err
}
return b.Put([]byte(name), data)
})
}
func (s *Storage) DeleteCategory(name string) error {
return s.db.Update(func(tx *bolt.Tx) error {
b := tx.Bucket(bucketCategories)
if b.Get([]byte(name)) == nil {
return fmt.Errorf("category %q not found", name)
}
return b.Delete([]byte(name))
})
}
func (s *Storage) GetCategory(name string) (*Category, error) {
var cat *Category
err := s.db.View(func(tx *bolt.Tx) error {
b := tx.Bucket(bucketCategories)
data := b.Get([]byte(name))
if data == nil {
return fmt.Errorf("category %q not found", name)
}
cat = &Category{}
return decodeJSON(data, cat)
})
return cat, err
}
func (s *Storage) ListCategories() ([]Category, error) {
var categories []Category
err := s.db.View(func(tx *bolt.Tx) error {
b := tx.Bucket(bucketCategories)
return b.ForEach(func(k, v []byte) error {
var cat Category
if err := decodeJSON(v, &cat); err != nil {
return err
}
categories = append(categories, cat)
return nil
})
})
if err != nil {
return nil, err
}
sort.Slice(categories, func(i, j int) bool {
if categories[i].Order != categories[j].Order {
return categories[i].Order < categories[j].Order
}
return categories[i].CreatedAt.Before(categories[j].CreatedAt)
})
return categories, nil
}
func (s *Storage) UpdateCategoryOrder(name string, order int) error {
return s.db.Update(func(tx *bolt.Tx) error {
b := tx.Bucket(bucketCategories)
data := b.Get([]byte(name))
if data == nil {
return fmt.Errorf("category %q not found", name)
}
var cat Category
if err := decodeJSON(data, &cat); err != nil {
return err
}
cat.Order = order
newData, err := encodeJSON(cat)
if err != nil {
return err
}
return b.Put([]byte(name), newData)
})
}
func (s *Storage) CategoryExists(name string) bool {
exists := false
s.db.View(func(tx *bolt.Tx) error {
b := tx.Bucket(bucketCategories)
exists = b.Get([]byte(name)) != nil
return nil
})
return exists
}

147
internal/storage/entry.go Normal file
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package storage
import (
"fmt"
"sort"
"time"
"github.com/teris-io/shortid"
bolt "go.etcd.io/bbolt"
)
func (s *Storage) CreateEntry(category, title, link string) (*Entry, error) {
entry := &Entry{
ID: shortid.MustGenerate(),
Category: category,
Title: title,
Link: link,
Timestamp: time.Now(),
}
err := s.db.Update(func(tx *bolt.Tx) error {
b := tx.Bucket(bucketEntries)
data, err := encodeJSON(entry)
if err != nil {
return err
}
return b.Put([]byte(entry.ID), data)
})
if err != nil {
return nil, err
}
return entry, nil
}
func (s *Storage) GetEntry(id string) (*Entry, error) {
var entry *Entry
err := s.db.View(func(tx *bolt.Tx) error {
b := tx.Bucket(bucketEntries)
data := b.Get([]byte(id))
if data == nil {
return fmt.Errorf("entry %q not found", id)
}
entry = &Entry{}
return decodeJSON(data, entry)
})
return entry, err
}
func (s *Storage) DeleteEntry(id string) error {
return s.db.Update(func(tx *bolt.Tx) error {
b := tx.Bucket(bucketEntries)
if b.Get([]byte(id)) == nil {
return fmt.Errorf("entry %q not found", id)
}
return b.Delete([]byte(id))
})
}
func (s *Storage) UpdateEntryTitle(id, title string) error {
return s.db.Update(func(tx *bolt.Tx) error {
b := tx.Bucket(bucketEntries)
data := b.Get([]byte(id))
if data == nil {
return fmt.Errorf("entry %q not found", id)
}
var entry Entry
if err := decodeJSON(data, &entry); err != nil {
return err
}
entry.Title = title
newData, err := encodeJSON(entry)
if err != nil {
return err
}
return b.Put([]byte(id), newData)
})
}
func (s *Storage) UpdateEntryCategory(id, category string) error {
return s.db.Update(func(tx *bolt.Tx) error {
b := tx.Bucket(bucketEntries)
data := b.Get([]byte(id))
if data == nil {
return fmt.Errorf("entry %q not found", id)
}
var entry Entry
if err := decodeJSON(data, &entry); err != nil {
return err
}
entry.Category = category
newData, err := encodeJSON(entry)
if err != nil {
return err
}
return b.Put([]byte(id), newData)
})
}
func (s *Storage) ListEntries(category string) ([]Entry, error) {
var entries []Entry
err := s.db.View(func(tx *bolt.Tx) error {
b := tx.Bucket(bucketEntries)
return b.ForEach(func(k, v []byte) error {
var entry Entry
if err := decodeJSON(v, &entry); err != nil {
return err
}
if category == "" || entry.Category == category {
entries = append(entries, entry)
}
return nil
})
})
if err != nil {
return nil, err
}
sort.Slice(entries, func(i, j int) bool {
return entries[i].Timestamp.Before(entries[j].Timestamp)
})
return entries, nil
}
func (s *Storage) ListAllEntries() ([]Entry, error) {
return s.ListEntries("")
}
func (s *Storage) GetEntriesByCategory() (map[string][]Entry, error) {
entries, err := s.ListAllEntries()
if err != nil {
return nil, err
}
result := make(map[string][]Entry)
for _, e := range entries {
result[e.Category] = append(result[e.Category], e)
}
return result, nil
}

104
internal/storage/storage.go Normal file
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package storage
import (
"encoding/binary"
"encoding/json"
"fmt"
"os"
"path/filepath"
"time"
bolt "go.etcd.io/bbolt"
)
var (
bucketAppConfig = []byte("AppConfig")
bucketCategories = []byte("Categories")
bucketEntries = []byte("Entries")
keyTocMsgID = []byte("toc_msg_id")
)
type Category struct {
Name string `json:"name"`
Order int `json:"order"`
CreatedAt time.Time `json:"created_at"`
}
type Entry struct {
ID string `json:"id"`
Category string `json:"category"`
Title string `json:"title"`
Link string `json:"link"`
Timestamp time.Time `json:"timestamp"`
}
type Storage struct {
db *bolt.DB
}
func New(path string) (*Storage, error) {
dir := filepath.Dir(path)
if err := os.MkdirAll(dir, 0755); err != nil {
return nil, fmt.Errorf("failed to create data directory: %w", err)
}
db, err := bolt.Open(path, 0600, &bolt.Options{Timeout: 1 * time.Second})
if err != nil {
return nil, fmt.Errorf("failed to open database: %w", err)
}
s := &Storage{db: db}
if err := s.initBuckets(); err != nil {
db.Close()
return nil, err
}
return s, nil
}
func (s *Storage) initBuckets() error {
return s.db.Update(func(tx *bolt.Tx) error {
buckets := [][]byte{bucketAppConfig, bucketCategories, bucketEntries}
for _, b := range buckets {
if _, err := tx.CreateBucketIfNotExists(b); err != nil {
return fmt.Errorf("failed to create bucket %s: %w", b, err)
}
}
return nil
})
}
func (s *Storage) Close() error {
return s.db.Close()
}
func (s *Storage) GetTocMsgID() (int, error) {
var msgID int
err := s.db.View(func(tx *bolt.Tx) error {
b := tx.Bucket(bucketAppConfig)
v := b.Get(keyTocMsgID)
if v != nil && len(v) >= 4 {
msgID = int(binary.BigEndian.Uint32(v))
}
return nil
})
return msgID, err
}
func (s *Storage) SetTocMsgID(msgID int) error {
return s.db.Update(func(tx *bolt.Tx) error {
b := tx.Bucket(bucketAppConfig)
buf := make([]byte, 4)
binary.BigEndian.PutUint32(buf, uint32(msgID))
return b.Put(keyTocMsgID, buf)
})
}
func encodeJSON(v any) ([]byte, error) {
return json.Marshal(v)
}
func decodeJSON(data []byte, v any) error {
return json.Unmarshal(data, v)
}

81
internal/telegram/bot.go Normal file
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package telegram
import (
"log"
"time"
"tgchanbot/internal/config"
"tgchanbot/internal/storage"
"tgchanbot/internal/toc"
tele "gopkg.in/telebot.v3"
)
type Bot struct {
bot *tele.Bot
cfg *config.Config
storage *storage.Storage
toc *toc.Manager
states *StateManager
}
func New(cfg *config.Config, store *storage.Storage) (*Bot, error) {
pref := tele.Settings{
Token: cfg.Bot.Token,
Poller: &tele.LongPoller{Timeout: 10 * time.Second},
}
b, err := tele.NewBot(pref)
if err != nil {
return nil, err
}
bot := &Bot{
bot: b,
cfg: cfg,
storage: store,
states: NewStateManager(),
}
bot.toc = toc.NewManager(store, b, cfg.Channel.ID, time.Duration(cfg.TOC.DebounceSeconds)*time.Second)
bot.setupRoutes()
return bot, nil
}
func (b *Bot) setupRoutes() {
adminOnly := b.bot.Group()
adminOnly.Use(b.AdminMiddleware())
// Category management
adminOnly.Handle("/cat_add", b.handleCatAdd)
adminOnly.Handle("/cat_del", b.handleCatDel)
adminOnly.Handle("/cat_list", b.handleCatList)
// Post flow
adminOnly.Handle("/post", b.handlePost)
adminOnly.Handle(tele.OnText, b.handleTextOrForwarded)
// Entry management
adminOnly.Handle("/del", b.handleEntryDel)
adminOnly.Handle("/edit", b.handleEntryEdit)
adminOnly.Handle("/move", b.handleEntryMove)
adminOnly.Handle("/list", b.handleEntryList)
// TOC
adminOnly.Handle("/refresh", b.handleRefresh)
// Callbacks
b.bot.Handle(tele.OnCallback, b.handleCallback)
}
func (b *Bot) Start() {
log.Println("Bot started...")
b.bot.Start()
}
func (b *Bot) Stop() {
b.bot.Stop()
b.toc.Stop()
}

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@@ -0,0 +1,62 @@
package telegram
import (
"fmt"
"strconv"
"strings"
tele "gopkg.in/telebot.v3"
)
func (b *Bot) handleCatAdd(c tele.Context) error {
args := strings.Fields(c.Message().Payload)
if len(args) == 0 {
return c.Reply("用法: /cat_add <名称> [排序]\n例如: /cat_add iOS 1")
}
name := args[0]
order := 0
if len(args) > 1 {
if o, err := strconv.Atoi(args[1]); err == nil {
order = o
}
}
if err := b.storage.CreateCategory(name, order); err != nil {
return c.Reply(fmt.Sprintf("❌ 创建失败: %v", err))
}
return c.Reply(fmt.Sprintf("✅ 分类 [%s] 已创建 (排序: %d)", name, order))
}
func (b *Bot) handleCatDel(c tele.Context) error {
name := strings.TrimSpace(c.Message().Payload)
if name == "" {
return c.Reply("用法: /cat_del <名称>")
}
if err := b.storage.DeleteCategory(name); err != nil {
return c.Reply(fmt.Sprintf("❌ 删除失败: %v", err))
}
return c.Reply(fmt.Sprintf("✅ 分类 [%s] 已删除", name))
}
func (b *Bot) handleCatList(c tele.Context) error {
categories, err := b.storage.ListCategories()
if err != nil {
return c.Reply(fmt.Sprintf("❌ 获取失败: %v", err))
}
if len(categories) == 0 {
return c.Reply("📂 暂无分类\n使用 /cat_add <名称> 创建")
}
var sb strings.Builder
sb.WriteString("📂 分类列表:\n\n")
for i, cat := range categories {
sb.WriteString(fmt.Sprintf("%d. %s (排序: %d)\n", i+1, cat.Name, cat.Order))
}
return c.Reply(sb.String())
}

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package telegram
import (
"fmt"
"strings"
tele "gopkg.in/telebot.v3"
)
func (b *Bot) handleEntryDel(c tele.Context) error {
id := strings.TrimSpace(c.Message().Payload)
if id == "" {
return c.Reply("用法: /del <ID>")
}
entry, err := b.storage.GetEntry(id)
if err != nil {
return c.Reply(fmt.Sprintf("❌ %v", err))
}
if err := b.storage.DeleteEntry(id); err != nil {
return c.Reply(fmt.Sprintf("❌ 删除失败: %v", err))
}
b.toc.TriggerUpdate()
return c.Reply(fmt.Sprintf("✅ 已删除: [%s] %s", entry.Category, entry.Title))
}
func (b *Bot) handleEntryEdit(c tele.Context) error {
args := strings.SplitN(c.Message().Payload, " ", 2)
if len(args) < 2 {
return c.Reply("用法: /edit <ID> <新标题>")
}
id := args[0]
newTitle := strings.TrimSpace(args[1])
if err := b.storage.UpdateEntryTitle(id, newTitle); err != nil {
return c.Reply(fmt.Sprintf("❌ %v", err))
}
b.toc.TriggerUpdate()
return c.Reply(fmt.Sprintf("✅ 标题已更新为: %s", newTitle))
}
func (b *Bot) handleEntryMove(c tele.Context) error {
args := strings.Fields(c.Message().Payload)
if len(args) < 2 {
return c.Reply("用法: /move <ID> <新分类>")
}
id := args[0]
newCategory := args[1]
if !b.storage.CategoryExists(newCategory) {
return c.Reply(fmt.Sprintf("❌ 分类 [%s] 不存在", newCategory))
}
if err := b.storage.UpdateEntryCategory(id, newCategory); err != nil {
return c.Reply(fmt.Sprintf("❌ %v", err))
}
b.toc.TriggerUpdate()
return c.Reply(fmt.Sprintf("✅ 已移动到分类: %s", newCategory))
}
func (b *Bot) handleEntryList(c tele.Context) error {
category := strings.TrimSpace(c.Message().Payload)
entries, err := b.storage.ListEntries(category)
if err != nil {
return c.Reply(fmt.Sprintf("❌ %v", err))
}
if len(entries) == 0 {
if category != "" {
return c.Reply(fmt.Sprintf("📭 分类 [%s] 暂无条目", category))
}
return c.Reply("📭 暂无条目")
}
var sb strings.Builder
if category != "" {
sb.WriteString(fmt.Sprintf("📋 分类 [%s] 的条目:\n\n", category))
} else {
sb.WriteString("📋 所有条目:\n\n")
}
currentCat := ""
for _, e := range entries {
if category == "" && e.Category != currentCat {
currentCat = e.Category
sb.WriteString(fmt.Sprintf("\n【%s】\n", currentCat))
}
sb.WriteString(fmt.Sprintf("• [%s] %s\n", e.ID, e.Title))
}
return c.Reply(sb.String())
}
func (b *Bot) handleRefresh(c tele.Context) error {
b.toc.TriggerUpdate()
return c.Reply("🔄 目录刷新已触发")
}

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package telegram
import (
"fmt"
"strings"
"tgchanbot/internal/storage"
tele "gopkg.in/telebot.v3"
)
const (
cbPrefixCat = "cat:"
cbPrefixConfirm = "confirm:"
cbCancel = "cancel"
)
func (b *Bot) handlePost(c tele.Context) error {
b.states.StartPost(c.Sender().ID)
return c.Reply("📨 请转发一条来自目标频道的消息")
}
func (b *Bot) handleTextOrForwarded(c tele.Context) error {
msg := c.Message()
if msg == nil || msg.OriginalChat == nil {
return nil
}
return b.handleForwarded(c)
}
func (b *Bot) handleForwarded(c tele.Context) error {
if !b.cfg.IsAdmin(c.Sender().ID) {
return nil
}
state := b.states.Get(c.Sender().ID)
if state == nil || state.Step != StepAwaitForward {
return nil
}
msg := c.Message()
if msg.OriginalChat == nil {
return c.Reply("❌ 这不是一条转发消息,请转发频道消息")
}
b.states.SetForwarded(c.Sender().ID, msg)
categories, err := b.storage.ListCategories()
if err != nil {
b.states.Delete(c.Sender().ID)
return c.Reply(fmt.Sprintf("❌ 获取分类失败: %v", err))
}
if len(categories) == 0 {
b.states.Delete(c.Sender().ID)
return c.Reply("❌ 暂无分类,请先使用 /cat_add 创建分类")
}
keyboard := b.buildCategoryKeyboard(categories)
return c.Reply("📁 请选择分类:", keyboard)
}
func (b *Bot) buildCategoryKeyboard(categories []storage.Category) *tele.ReplyMarkup {
menu := &tele.ReplyMarkup{}
var rows []tele.Row
var currentRow []tele.Btn
for _, cat := range categories {
btn := menu.Data(cat.Name, cbPrefixCat+cat.Name)
currentRow = append(currentRow, btn)
if len(currentRow) == 3 {
rows = append(rows, menu.Row(currentRow...))
currentRow = nil
}
}
if len(currentRow) > 0 {
rows = append(rows, menu.Row(currentRow...))
}
cancelBtn := menu.Data("❌ 取消", cbCancel)
rows = append(rows, menu.Row(cancelBtn))
menu.Inline(rows...)
return menu
}
func (b *Bot) handleCallback(c tele.Context) error {
if !b.cfg.IsAdmin(c.Sender().ID) {
return c.Respond(&tele.CallbackResponse{Text: "无权限"})
}
data := c.Callback().Data
userID := c.Sender().ID
switch {
case data == cbCancel:
return b.handleCancelCallback(c, userID)
case strings.HasPrefix(data, cbPrefixCat):
category := strings.TrimPrefix(data, cbPrefixCat)
return b.handleCategoryCallback(c, userID, category)
case strings.HasPrefix(data, cbPrefixConfirm):
action := strings.TrimPrefix(data, cbPrefixConfirm)
return b.handleConfirmCallback(c, userID, action)
}
return c.Respond()
}
func (b *Bot) handleCancelCallback(c tele.Context, userID int64) error {
b.states.Delete(userID)
c.Edit("❌ 已取消")
return c.Respond(&tele.CallbackResponse{Text: "已取消"})
}
func (b *Bot) handleCategoryCallback(c tele.Context, userID int64, category string) error {
state := b.states.Get(userID)
if state == nil || state.Step != StepAwaitCategory {
return c.Respond(&tele.CallbackResponse{Text: "会话已过期"})
}
b.states.SetCategory(userID, category)
channelName := "未知频道"
if state.ForwardedMsg.OriginalChat != nil {
channelName = state.ForwardedMsg.OriginalChat.Title
}
menu := &tele.ReplyMarkup{}
confirmBtn := menu.Data("✅ 确认", cbPrefixConfirm+"yes")
cancelBtn := menu.Data("❌ 取消", cbCancel)
menu.Inline(menu.Row(confirmBtn, cancelBtn))
text := fmt.Sprintf("📋 确认添加?\n\n频道: %s\n分类: %s", channelName, category)
c.Edit(text, menu)
return c.Respond()
}
func (b *Bot) handleConfirmCallback(c tele.Context, userID int64, action string) error {
if action != "yes" {
return b.handleCancelCallback(c, userID)
}
state := b.states.Get(userID)
if state == nil || state.Step != StepAwaitConfirm {
return c.Respond(&tele.CallbackResponse{Text: "会话已过期"})
}
defer b.states.Delete(userID)
msg := state.ForwardedMsg
title := extractTitle(msg)
link := buildMessageLink(msg)
entry, err := b.storage.CreateEntry(state.SelectedCat, title, link)
if err != nil {
c.Edit(fmt.Sprintf("❌ 保存失败: %v", err))
return c.Respond(&tele.CallbackResponse{Text: "保存失败"})
}
b.toc.TriggerUpdate()
text := fmt.Sprintf("✅ 已添加\n\nID: %s\n分类: %s\n标题: %s", entry.ID, entry.Category, entry.Title)
c.Edit(text)
return c.Respond(&tele.CallbackResponse{Text: "添加成功"})
}
func extractTitle(msg *tele.Message) string {
text := msg.Text
if text == "" {
text = msg.Caption
}
lines := strings.Split(text, "\n")
title := strings.TrimSpace(lines[0])
if len(title) > 50 {
title = title[:47] + "..."
}
if title == "" {
title = "无标题"
}
return title
}
func buildMessageLink(msg *tele.Message) string {
if msg.OriginalChat == nil {
return ""
}
chat := msg.OriginalChat
msgID := msg.OriginalMessageID
if msgID == 0 {
msgID = msg.ID
}
if chat.Username != "" {
return fmt.Sprintf("https://t.me/%s/%d", chat.Username, msgID)
}
chatID := chat.ID
if chatID < 0 {
chatID = -chatID - 1000000000000
}
return fmt.Sprintf("https://t.me/c/%d/%d", chatID, msgID)
}

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package telegram
import (
tele "gopkg.in/telebot.v3"
)
func (b *Bot) AdminMiddleware() tele.MiddlewareFunc {
return func(next tele.HandlerFunc) tele.HandlerFunc {
return func(c tele.Context) error {
if !b.cfg.IsAdmin(c.Sender().ID) {
return c.Reply("⛔ 无权限访问")
}
return next(c)
}
}
}

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package telegram
import (
"sync"
"time"
tele "gopkg.in/telebot.v3"
)
type PostStep int
const (
StepAwaitForward PostStep = iota
StepAwaitCategory
StepAwaitConfirm
)
type PostState struct {
UserID int64
ForwardedMsg *tele.Message
SelectedCat string
Step PostStep
CreatedAt time.Time
}
type StateManager struct {
mu sync.RWMutex
states map[int64]*PostState
}
func NewStateManager() *StateManager {
return &StateManager{
states: make(map[int64]*PostState),
}
}
func (sm *StateManager) Get(userID int64) *PostState {
sm.mu.RLock()
defer sm.mu.RUnlock()
return sm.states[userID]
}
func (sm *StateManager) Set(state *PostState) {
sm.mu.Lock()
defer sm.mu.Unlock()
sm.states[state.UserID] = state
}
func (sm *StateManager) Delete(userID int64) {
sm.mu.Lock()
defer sm.mu.Unlock()
delete(sm.states, userID)
}
func (sm *StateManager) StartPost(userID int64) *PostState {
state := &PostState{
UserID: userID,
Step: StepAwaitForward,
CreatedAt: time.Now(),
}
sm.Set(state)
return state
}
func (sm *StateManager) SetForwarded(userID int64, msg *tele.Message) *PostState {
sm.mu.Lock()
defer sm.mu.Unlock()
state := sm.states[userID]
if state == nil {
return nil
}
state.ForwardedMsg = msg
state.Step = StepAwaitCategory
return state
}
func (sm *StateManager) SetCategory(userID int64, category string) *PostState {
sm.mu.Lock()
defer sm.mu.Unlock()
state := sm.states[userID]
if state == nil {
return nil
}
state.SelectedCat = category
state.Step = StepAwaitConfirm
return state
}

114
internal/toc/manager.go Normal file
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@@ -0,0 +1,114 @@
package toc
import (
"log"
"sync"
"time"
"tgchanbot/internal/storage"
tele "gopkg.in/telebot.v3"
)
type Manager struct {
storage *storage.Storage
bot *tele.Bot
chanID int64
debounce time.Duration
mu sync.Mutex
pending bool
timer *time.Timer
stopCh chan struct{}
}
func NewManager(store *storage.Storage, bot *tele.Bot, chanID int64, debounce time.Duration) *Manager {
return &Manager{
storage: store,
bot: bot,
chanID: chanID,
debounce: debounce,
stopCh: make(chan struct{}),
}
}
func (m *Manager) TriggerUpdate() {
m.mu.Lock()
defer m.mu.Unlock()
m.pending = true
if m.timer != nil {
m.timer.Stop()
}
m.timer = time.AfterFunc(m.debounce, func() {
m.doUpdate()
})
}
func (m *Manager) doUpdate() {
m.mu.Lock()
m.pending = false
m.mu.Unlock()
content, err := m.Render()
if err != nil {
log.Printf("TOC render error: %v", err)
return
}
if err := m.updateMessage(content); err != nil {
log.Printf("TOC update error: %v", err)
}
}
func (m *Manager) updateMessage(content string) error {
chat := &tele.Chat{ID: m.chanID}
msgID, err := m.storage.GetTocMsgID()
if err != nil {
return err
}
if msgID == 0 {
msg, err := m.bot.Send(chat, content, tele.ModeMarkdown, tele.NoPreview)
if err != nil {
return err
}
return m.storage.SetTocMsgID(msg.ID)
}
existingMsg := &tele.Message{
ID: msgID,
Chat: chat,
}
_, err = m.bot.Edit(existingMsg, content, tele.ModeMarkdown, tele.NoPreview)
if err != nil {
if err == tele.ErrMessageNotModified {
return nil
}
if err.Error() == "telegram: message to edit not found (400)" {
msg, err := m.bot.Send(chat, content, tele.ModeMarkdown, tele.NoPreview)
if err != nil {
return err
}
return m.storage.SetTocMsgID(msg.ID)
}
return err
}
return nil
}
func (m *Manager) Stop() {
m.mu.Lock()
defer m.mu.Unlock()
if m.timer != nil {
m.timer.Stop()
}
close(m.stopCh)
}

64
internal/toc/renderer.go Normal file
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@@ -0,0 +1,64 @@
package toc
import (
"fmt"
"strings"
)
func (m *Manager) Render() (string, error) {
categories, err := m.storage.ListCategories()
if err != nil {
return "", err
}
entriesByCategory, err := m.storage.GetEntriesByCategory()
if err != nil {
return "", err
}
var sb strings.Builder
sb.WriteString("📚 **频道目录**\n")
sb.WriteString("━━━━━━━━━━━━━━━\n\n")
if len(categories) == 0 {
sb.WriteString("_暂无分类_")
return sb.String(), nil
}
for _, cat := range categories {
entries := entriesByCategory[cat.Name]
sb.WriteString(fmt.Sprintf("📁 **%s**", cat.Name))
if len(entries) > 0 {
sb.WriteString(fmt.Sprintf(" (%d)", len(entries)))
}
sb.WriteString("\n")
if len(entries) == 0 {
sb.WriteString(" _暂无内容_\n")
} else {
for _, entry := range entries {
sb.WriteString(fmt.Sprintf(" • [%s](%s)\n", escapeMarkdown(entry.Title), entry.Link))
}
}
sb.WriteString("\n")
}
sb.WriteString("━━━━━━━━━━━━━━━\n")
sb.WriteString("_自动生成_")
return sb.String(), nil
}
func escapeMarkdown(s string) string {
replacer := strings.NewReplacer(
"[", "\\[",
"]", "\\]",
"(", "\\(",
")", "\\)",
"*", "\\*",
"_", "\\_",
"`", "\\`",
)
return replacer.Replace(s)
}