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chats.go
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chats.go
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package main
import (
"encoding/json"
"fmt"
"github.com/go-telegram-bot-api/telegram-bot-api"
"io/ioutil"
"log"
"os"
)
type Chat struct {
prefix string
movies []Entry
undoMovies []Entry
watchedMovies []Entry
lastQuery string
allUsers map[string]*tgbotapi.User
}
var chatMap map[int64]*Chat = make(map[int64]*Chat)
func chat(u *tgbotapi.Update) *Chat {
id := u.Message.Chat.ID
var C *Chat
var e bool
if C, e = chatMap[id]; !e {
C = &Chat{fmt.Sprintf("chat%d/", id), nil, nil, nil, "", make(map[string]*tgbotapi.User)}
var newChat bool
if _, err := os.Stat(C.prefix); os.IsNotExist(err) {
err = os.Mkdir(C.prefix, os.ModePerm)
if err != nil {
log.Printf("Error: %v", err)
}
newChat = true
} else {
loadList(C.prefix+"movies.json", &C.movies)
loadList(C.prefix+"watched.json", &C.watchedMovies)
loadList(C.prefix+"undo.json", &C.undoMovies)
loadUsers(C)
}
chatMap[id] = C
if newChat {
saveChats()
}
}
return C
}
func saveChats() {
f, err := os.Create("chats.json")
if err != nil {
log.Printf("Error: %v", err)
return
}
defer f.Close()
b, err := json.Marshal(chatMap)
if err != nil {
log.Printf("Error: %v", err)
return
}
_, err = f.Write(b)
if err != nil {
log.Printf("Error: %v", err)
}
}
func loadChats() {
f, err := os.Open("chats.json")
if err != nil {
log.Printf("Error: %v", err)
return
}
defer f.Close()
s, err := f.Stat()
if err != nil {
log.Printf("Error: %v", err)
return
}
if s.Size() < 5 {
return
}
b, err := ioutil.ReadAll(f)
if err != nil {
log.Printf("Error: %v", err)
return
}
err = json.Unmarshal(b, &chatMap)
if err != nil {
log.Printf("Error: %v", err)
}
}