all-tg-bot/db/db.go

90 lines
2.0 KiB
Go

package db
import (
"context"
"git.user-penguin.space/vladimir/all-tg-bot/config"
"go.mongodb.org/mongo-driver/bson"
"go.mongodb.org/mongo-driver/mongo"
"go.mongodb.org/mongo-driver/mongo/options"
"time"
)
type chatDTO struct {
ChatID int64 `bson:"chat_id"`
}
type chatInfoDTO struct {
ChatID int64 `bson:"chat_id"`
Users []string `bson:"users"`
}
var cfg *config.Config
func init() {
cfg = config.NewConfig()
}
func AddChat(chatID int64) error {
ctx, cancel := context.WithTimeout(context.Background(), time.Second)
defer cancel()
client, err := mongo.Connect(ctx, options.Client().ApplyURI(cfg.MongoURL))
if err != nil {
return err
}
collection := client.Database(cfg.DBName).Collection(cfg.ChatsCollectionName)
result := collection.FindOne(ctx, bson.M{"chat_id": chatID})
if result.Err() == mongo.ErrNoDocuments {
if _, err := collection.InsertOne(ctx, &chatDTO{ChatID: chatID}); err != nil {
return err
}
return nil
}
return result.Err()
}
func AddUserInChat(chatID int64, username string) error {
if username == "" {
return nil
}
if err := AddChat(chatID); err != nil {
return err
}
ctx, cancel := context.WithTimeout(context.Background(), time.Second)
defer cancel()
client, err := mongo.Connect(ctx, options.Client().ApplyURI(cfg.MongoURL))
if err != nil {
return err
}
collection := client.Database(cfg.DBName).Collection(cfg.ChatsCollectionName)
_, err = collection.UpdateOne(
ctx,
bson.M{"chat_id": chatID},
bson.M{"$addToSet": bson.M{"users": username}},
)
return err
}
func GetUsers(chatID int64) ([]string, error) {
ctx, cancel := context.WithTimeout(context.Background(), time.Second)
defer cancel()
client, err := mongo.Connect(ctx, options.Client().ApplyURI(cfg.MongoURL))
if err != nil {
return nil, err
}
collection := client.Database(cfg.DBName).Collection(cfg.ChatsCollectionName)
chatInfoDTO := &chatInfoDTO{}
if err := collection.FindOne(ctx, bson.M{"chat_id": chatID}).Decode(chatInfoDTO); err != nil {
return nil, err
}
return chatInfoDTO.Users, err
}