fix

.drone.yml

@@ -6,7 +6,12 @@ steps:
   - name: build
     image: golang
     commands:
-      - go build -o valera_tg_bot main.go
+      - go build -o valera_tg_bot cmd/valera/main.go
+
+  - name: test
+    image: golang
+    commands:
+      - go test ./...
 
   - name: scp
     image: appleboy/drone-scp

.fleet/run.json

@@ -1,12 +0,0 @@
-{
-	"configurations": [
-		{
-			"type": "go",
-			"name": "run",
-			"goExecPath": "/usr/local/go/bin/go",
-			"buildParams": [
-				"$PROJECT_DIR$/main.go",
-			],
-		},
-	]
-}

cmd/valera/main.go

@@ -0,0 +1,88 @@
+package main
+
+import (
+	"log"
+	"net/http"
+	"valera/internal/config"
+	"valera/internal/db"
+	"valera/internal/states"
+	"valera/internal/states/clear_bot_state"
+	"valera/internal/states/eat_bot_state"
+	"valera/internal/states/go_bot_state"
+	"valera/internal/states/help_bot_state"
+	"valera/internal/states/pause_bot_state"
+	"valera/internal/states/ping_bot_state"
+	"valera/internal/states/start_bot_state"
+	"valera/internal/states/stat_bot_state"
+	"valera/internal/states/weight_bot_state"
+
+	tgbot "github.com/go-telegram-bot-api/telegram-bot-api"
+)
+
+const (
+	version = "v1.9.0"
+)
+
+func main() {
+	cfg := config.NewAppConfig()
+
+	bot, err := tgbot.NewBotAPI(cfg.TgConfig.Token)
+	if err != nil {
+		panic(err)
+	}
+
+	dataBase, err := db.NewDB(cfg)
+	if err != nil {
+		panic(err)
+	}
+
+	u := tgbot.NewUpdate(0)
+	u.Timeout = 60
+
+	updates, err := bot.GetUpdatesChan(u)
+	if err != nil {
+		panic(err)
+	}
+
+	botStates := []states.BotState{
+		clear_bot_state.NewClearBotState(bot, dataBase),
+		go_bot_state.NewGoBotState(bot, dataBase),
+		stat_bot_state.NewStatBotState(bot, dataBase),
+		start_bot_state.NewStartBotState(bot, dataBase, version),
+		help_bot_state.NewHelpBotState(bot, dataBase),
+		ping_bot_state.NewPingBotState(bot, dataBase),
+		pause_bot_state.NewPauseBotState(bot, dataBase),
+		eat_bot_state.NewEatBotState(bot, dataBase),
+		weight_bot_state.NewWeightBotState(bot, dataBase),
+	}
+
+	go func() {
+		for _, s := range botStates {
+			http.HandleFunc(s.GetHandler())
+		}
+		log.Println("Server is start up! port", cfg.Port)
+		log.Fatal(http.ListenAndServe(cfg.Port, nil))
+	}()
+
+	for update := range updates {
+
+		if update.Message == nil {
+			continue
+		}
+
+		text := update.Message.Text
+		chatID := update.Message.Chat.ID
+		username := update.Message.From.UserName
+		userInfoDTO, err := dataBase.GetChatInfo(chatID, username)
+		if err != nil {
+			log.Println(err)
+			continue
+		}
+
+		for _, s := range botStates {
+			if err := s.Do(text, userInfoDTO); err != nil {
+				log.Println(err)
+			}
+		}
+	}
+}

commands/command.go

@@ -1,12 +0,0 @@
-package commands
-
-type Command string
-
-const (
-	Start = Command("/start")
-	Help  = Command("/help")
-	Ping  = Command("/ping")
-	Go    = Command("/go")
-	Stat  = Command("/stat")
-	Eat  = Command("/eat")
-)

config/config.go

@@ -1,19 +0,0 @@
-package config
-
-type Config struct {
-	MongoURL               string
-	DBName                 string
-	ChatsCollectionName    string
-	WorkoutsCollectionName string
-	CaloriesCollectionName string
-}
-
-func NewConfig(mongoURl string, dbName string) *Config {
-	return &Config{
-		MongoURL:               mongoURl,
-		DBName:                 dbName,
-		ChatsCollectionName:    "chats",
-		WorkoutsCollectionName: "workouts",
-		CaloriesCollectionName: "calories",
-	}
-}

db/chat.go

@@ -1,22 +0,0 @@
-package db
-
-const (
-	UserStateNone = UserState("")
-	UserStateGo   = UserState("Go")
-	UserStateEat  = UserState("Eat")
-)
-
-type UserState string
-
-type Chat struct {
-	ChatID int64 `bson:"chat_id"`
-}
-
-type ChatInfo struct {
-	ChatID int64  `bson:"chat_id"`
-	Status string `bson:"status"`
-}
-
-func (c *ChatInfo) GetStatus() UserState {
-	return UserState(c.Status)
-}

db/db.go

@@ -1,225 +0,0 @@
-package db
-
-import (
-	"context"
-	"go.mongodb.org/mongo-driver/bson"
-	"go.mongodb.org/mongo-driver/mongo"
-	"go.mongodb.org/mongo-driver/mongo/options"
-	"log"
-	"time"
-	"valera/config"
-)
-
-type DB struct {
-	cfg *config.Config
-}
-
-func NewDB(
-	mongoURL string,
-	dbName string,
-) *DB {
-	return &DB{
-		cfg: config.NewConfig(mongoURL, dbName),
-	}
-}
-
-func (db *DB) AddChat(chatID int64) error {
-	ctx, cancel := context.WithTimeout(context.Background(), time.Second)
-	defer cancel()
-
-	client, err := mongo.Connect(ctx, options.Client().ApplyURI(db.cfg.MongoURL))
-	if err != nil {
-		return err
-	}
-
-	collection := client.Database(db.cfg.DBName).Collection(db.cfg.ChatsCollectionName)
-
-	result := collection.FindOne(ctx, bson.M{"chat_id": chatID})
-	if result.Err() == mongo.ErrNoDocuments {
-		if _, err := collection.InsertOne(ctx, &Chat{ChatID: chatID}); err != nil {
-			return err
-		}
-		return nil
-	}
-	return result.Err()
-}
-
-func (db *DB) AddWorkout(chatID int64, workout *Workout) error {
-	if workout.Count <= 0 {
-		return nil
-	}
-	if err := db.AddChat(chatID); err != nil {
-		return err
-	}
-	workout.ChatID = chatID
-
-	ctx, cancel := context.WithTimeout(context.Background(), time.Second)
-	defer cancel()
-
-	client, err := mongo.Connect(ctx, options.Client().ApplyURI(db.cfg.MongoURL))
-	if err != nil {
-		return err
-	}
-
-	collection := client.Database(db.cfg.DBName).Collection(db.cfg.WorkoutsCollectionName)
-	_, err = collection.InsertOne(
-		ctx,
-		workout,
-	)
-	return err
-}
-
-func (db *DB) AddCalories(chatID int64, calories *Calories) error {
-	if calories.Count <= 0 {
-		return nil
-	}
-	if err := db.AddChat(chatID); err != nil {
-		return err
-	}
-	calories.ChatID = chatID
-
-	ctx, cancel := context.WithTimeout(context.Background(), time.Second)
-	defer cancel()
-
-	client, err := mongo.Connect(ctx, options.Client().ApplyURI(db.cfg.MongoURL))
-	if err != nil {
-		return err
-	}
-
-	collection := client.Database(db.cfg.DBName).Collection(db.cfg.CaloriesCollectionName)
-	_, err = collection.InsertOne(
-		ctx,
-		calories,
-	)
-	return err
-}
-
-func (db *DB) GetChatInfo(chatID int64) (*ChatInfo, error) {
-	if err := db.AddChat(chatID); err != nil {
-		return nil, err
-	}
-	ctx, cancel := context.WithTimeout(context.Background(), time.Second)
-	defer cancel()
-
-	client, err := mongo.Connect(ctx, options.Client().ApplyURI(db.cfg.MongoURL))
-	if err != nil {
-		return nil, err
-	}
-
-	collection := client.Database(db.cfg.DBName).Collection(db.cfg.ChatsCollectionName)
-	chatInfoDTO := &ChatInfo{}
-	if err := collection.FindOne(ctx, bson.M{"chat_id": chatID}).Decode(chatInfoDTO); err != nil {
-		return nil, err
-	}
-	return chatInfoDTO, err
-}
-
-func (db *DB) SetStatusToChat(chatID int64, status UserState) error {
-	ctx, cancel := context.WithTimeout(context.Background(), time.Second)
-	defer cancel()
-
-	client, err := mongo.Connect(ctx, options.Client().ApplyURI(db.cfg.MongoURL))
-	if err != nil {
-		return err
-	}
-
-	collection := client.Database(db.cfg.DBName).Collection(db.cfg.ChatsCollectionName)
-	_, err = collection.UpdateOne(
-		ctx,
-		bson.M{"chat_id": chatID},
-		bson.M{"$set": bson.M{"status": status}},
-	)
-	return err
-}
-
-func (db *DB) GetStat(chatID int64) (map[string]int, error) {
-	if err := db.AddChat(chatID); err != nil {
-		return nil, err
-	}
-	ctx, cancel := context.WithTimeout(context.Background(), time.Second)
-	defer cancel()
-
-	client, err := mongo.Connect(ctx, options.Client().ApplyURI(db.cfg.MongoURL))
-	if err != nil {
-		return nil, err
-	}
-
-	loc, _ := time.LoadLocation("Asia/Novosibirsk")
-	t := time.Now().In(loc).Add(-24 * time.Hour)
-
-	res := map[string]int{}
-
-	collection := client.Database(db.cfg.DBName).Collection(db.cfg.WorkoutsCollectionName)
-	cursor, err := collection.Find(
-		ctx,
-		bson.M{
-			"chat_id":    chatID,
-			"created_at": bson.M{"$gt": t},
-		},
-	)
-	if err != nil {
-		return nil, err
-	}
-	for cursor.Next(context.Background()) {
-		var result Workout
-		if err := cursor.Decode(&result); err != nil {
-			log.Fatal(err)
-		}
-		res[result.Name] += result.Count
-	}
-	if err := cursor.Err(); err != nil {
-		log.Fatal(err)
-	}
-
-	caloriesCollection := client.Database(db.cfg.DBName).Collection(db.cfg.CaloriesCollectionName)
-	caloriesCursor, err := caloriesCollection.Find(
-		ctx,
-		bson.M{
-			"chat_id":    chatID,
-			"created_at": bson.M{"$gt": t},
-		},
-	)
-	if err != nil {
-		return nil, err
-	}
-	for caloriesCursor.Next(context.Background()) {
-		var result Calories
-		if err := caloriesCursor.Decode(&result); err != nil {
-			log.Fatal(err)
-		}
-		res["Калории"] += result.Count
-	}
-	if err := caloriesCursor.Err(); err != nil {
-		log.Fatal(err)
-	}
-
-	return res, err
-}
-
-func (db *DB) GetAllChats() ([]int64, error) {
-	ctx, cancel := context.WithTimeout(context.Background(), time.Second)
-	defer cancel()
-
-	client, err := mongo.Connect(ctx, options.Client().ApplyURI(db.cfg.MongoURL))
-	if err != nil {
-		return nil, err
-	}
-
-	collection := client.Database(db.cfg.DBName).Collection(db.cfg.ChatsCollectionName)
-	cursor, err := collection.Find(ctx, bson.M{})
-	if err != nil {
-		return nil, err
-	}
-	var res []int64
-	for cursor.Next(context.Background()) {
-		var result ChatInfo
-		if err := cursor.Decode(&result); err != nil {
-			log.Fatal(err)
-		}
-		res = append(res, result.ChatID)
-	}
-	if err := cursor.Err(); err != nil {
-		log.Fatal(err)
-	}
-	return res, err
-}

go.mod

@@ -1,10 +1,9 @@
 module valera
 
-go 1.17
+go 1.20
 
 require (
 	github.com/go-telegram-bot-api/telegram-bot-api v4.6.4+incompatible
-	github.com/umputun/go-flags v1.5.1
 	go.mongodb.org/mongo-driver v1.11.2
 )
 
@@ -19,6 +18,7 @@ require (
 	github.com/xdg-go/stringprep v1.0.3 // indirect
 	github.com/youmark/pkcs8 v0.0.0-20181117223130-1be2e3e5546d // indirect
 	golang.org/x/crypto v0.0.0-20220622213112-05595931fe9d // indirect
+	golang.org/x/exp v0.0.0-20230321023759-10a507213a29
 	golang.org/x/sync v0.0.0-20210220032951-036812b2e83c // indirect
 	golang.org/x/text v0.3.7 // indirect
 )

go.sum

@@ -5,8 +5,8 @@ github.com/go-telegram-bot-api/telegram-bot-api v4.6.4+incompatible h1:2cauKuaEL
 github.com/go-telegram-bot-api/telegram-bot-api v4.6.4+incompatible/go.mod h1:qf9acutJ8cwBUhm1bqgz6Bei9/C/c93FPDljKWwsOgM=
 github.com/golang/snappy v0.0.1 h1:Qgr9rKW7uDUkrbSmQeiDsGa8SjGyCOGtuasMWwvp2P4=
 github.com/golang/snappy v0.0.1/go.mod h1:/XxbfmMg8lxefKM7IXC3fBNl/7bRcc72aCRzEWrmP2Q=
-github.com/google/go-cmp v0.5.2 h1:X2ev0eStA3AbceY54o37/0PQ/UWqKEiiO2dKL5OPaFM=
 github.com/google/go-cmp v0.5.2/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
+github.com/google/go-cmp v0.5.8 h1:e6P7q2lk1O+qJJb4BtCQXlK8vWEO8V1ZeuEdJNOqZyg=
 github.com/klauspost/compress v1.13.6 h1:P76CopJELS0TiO2mebmnzgWaajssP/EszplttgQxcgc=
 github.com/klauspost/compress v1.13.6/go.mod h1:/3/Vjq9QcHkK5uEr5lBEmyoZ1iFhe47etQ6QUkpK6sk=
 github.com/kr/pretty v0.1.0 h1:L/CwN0zerZDmRFUapSPitk6f+Q3+0za1rQkzVuMiMFI=
@@ -27,8 +27,6 @@ github.com/technoweenie/multipartstreamer v1.0.1 h1:XRztA5MXiR1TIRHxH2uNxXxaIkKQ
 github.com/technoweenie/multipartstreamer v1.0.1/go.mod h1:jNVxdtShOxzAsukZwTSw6MDx5eUJoiEBsSvzDU9uzog=
 github.com/tidwall/pretty v1.0.0 h1:HsD+QiTn7sK6flMKIvNmpqz1qrpP3Ps6jOKIKMooyg4=
 github.com/tidwall/pretty v1.0.0/go.mod h1:XNkn88O1ChpSDQmQeStsy+sBenx6DDtFZJxhVysOjyk=
-github.com/umputun/go-flags v1.5.1 h1:vRauoXV3Ultt1HrxivSxowbintgZLJE+EcBy5ta3/mY=
-github.com/umputun/go-flags v1.5.1/go.mod h1:nTbvsO/hKqe7Utri/NoyN18GR3+EWf+9RrmsdwdhrEc=
 github.com/xdg-go/pbkdf2 v1.0.0 h1:Su7DPu48wXMwC3bs7MCNG+z4FhcyEuz5dlvchbq0B0c=
 github.com/xdg-go/pbkdf2 v1.0.0/go.mod h1:jrpuAogTd400dnrH08LKmI/xc1MbPOebTwRqcT5RDeI=
 github.com/xdg-go/scram v1.1.1 h1:VOMT+81stJgXW3CpHyqHN3AXDYIMsx56mEFrB37Mb/E=
@@ -41,6 +39,8 @@ go.mongodb.org/mongo-driver v1.11.2 h1:+1v2rDQUWNcGW7/7E0Jvdz51V38XXxJfhzbV17aNH
 go.mongodb.org/mongo-driver v1.11.2/go.mod h1:s7p5vEtfbeR1gYi6pnj3c3/urpbLv2T5Sfd6Rp2HBB8=
 golang.org/x/crypto v0.0.0-20220622213112-05595931fe9d h1:sK3txAijHtOK88l68nt020reeT1ZdKLIYetKl95FzVY=
 golang.org/x/crypto v0.0.0-20220622213112-05595931fe9d/go.mod h1:IxCIyHEi3zRg3s0A5j5BB6A9Jmi73HwBIUl50j+osU4=
+golang.org/x/exp v0.0.0-20230321023759-10a507213a29 h1:ooxPy7fPvB4kwsA2h+iBNHkAbp/4JxTSwCmvdjEYmug=
+golang.org/x/exp v0.0.0-20230321023759-10a507213a29/go.mod h1:CxIveKay+FTh1D0yPZemJVgC/95VzuuOLq5Qi4xnoYc=
 golang.org/x/net v0.0.0-20211112202133-69e39bad7dc2/go.mod h1:9nx3DQGgdP8bBQD5qxJ1jj9UTztislL4KSBs9R2vV5Y=
 golang.org/x/sync v0.0.0-20210220032951-036812b2e83c h1:5KslGYwFpkhGh+Q16bwMP3cOontH8FOep7tGV86Y7SQ=
 golang.org/x/sync v0.0.0-20210220032951-036812b2e83c/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
@@ -52,7 +52,6 @@ golang.org/x/text v0.3.6/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
 golang.org/x/text v0.3.7 h1:olpwvP2KacW1ZWvsR7uQhoyTYvKAupfQrRGBFM352Gk=
 golang.org/x/text v0.3.7/go.mod h1:u+2+/6zg+i71rQMx5EYifcz6MCKuco9NR6JIITiCfzQ=
 golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
-golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543 h1:E7g+9GITq07hpfrRu66IVDexMakfv52eLZ2CXBWiKr4=
 golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=

internal/config/config.go

@@ -0,0 +1,69 @@
+package config
+
+import (
+	"io/ioutil"
+	"strings"
+)
+
+type AppConfig struct {
+	Port        string
+	MongoConfig *MongoConfig
+	TgConfig    *TgConfig
+}
+
+type MongoConfig struct {
+	URL                    string
+	DBName                 string
+	ChatsCollectionName    string
+	WorkoutsCollectionName string
+	CaloriesCollectionName string
+	WeightCollectionName   string
+}
+
+type TgConfig struct {
+	Token string
+}
+
+func NewAppConfig() *AppConfig {
+	mongoURL, err := readFile("mongo_url.txt")
+	if err != nil {
+		panic(err)
+	}
+	mongoURL = strings.ReplaceAll(mongoURL, "\n", "")
+
+	dbName, err := readFile("db_name.txt")
+	if err != nil {
+		panic(err)
+	}
+	dbName = strings.ReplaceAll(dbName, "\n", "")
+
+	token, err := readFile("token.txt")
+	if err != nil {
+		panic(err)
+	}
+	token = strings.ReplaceAll(token, "\n", "")
+
+	return &AppConfig{
+		Port: ":10002",
+		MongoConfig: &MongoConfig{
+			URL:                    mongoURL,
+			DBName:                 dbName,
+			ChatsCollectionName:    "chats",
+			WorkoutsCollectionName: "workouts",
+			CaloriesCollectionName: "calories",
+			WeightCollectionName:   "weights",
+		},
+		TgConfig: &TgConfig{
+			Token: token,
+		},
+	}
+}
+
+func readFile(filename string) (string, error) {
+	b, err := ioutil.ReadFile(filename)
+	if err != nil {
+		return "", err
+	}
+	str := string(b)
+	return str, nil
+}

internal/db/chat.go

@@ -0,0 +1,25 @@
+package db
+
+const (
+	UserStateNone   = UserState("")
+	UserStateGo     = UserState("Go")
+	UserStateEat    = UserState("Eat")
+	UserStatePause  = UserState("Pause")
+	UserStateWeight = UserState("Weight")
+)
+
+type UserState string
+
+type Chat struct {
+	ChatID int64 `bson:"chat_id"`
+}
+
+type ChatInfo struct {
+	ChatID   int64  `bson:"chat_id"`
+	Status   string `bson:"status"`
+	Username string `bson:"username"`
+}
+
+func (c *ChatInfo) GetStatus() UserState {
+	return UserState(c.Status)
+}

internal/db/db.go

@@ -0,0 +1,298 @@
+package db
+
+import (
+	"context"
+	"log"
+	"time"
+
+	"go.mongodb.org/mongo-driver/bson"
+	"go.mongodb.org/mongo-driver/mongo"
+	"go.mongodb.org/mongo-driver/mongo/options"
+
+	"valera/internal/config"
+)
+
+type DB struct {
+	chatsColection    *mongo.Collection
+	workoutsColection *mongo.Collection
+	caloriesColection *mongo.Collection
+	weightColection   *mongo.Collection
+}
+
+func NewDB(
+	cfg *config.AppConfig,
+) (*DB, error) {
+	ctx := context.Background()
+	opt := options.Client().
+		ApplyURI(cfg.MongoConfig.URL).
+		SetMinPoolSize(10)
+
+	client, err := mongo.Connect(ctx, opt)
+	if err != nil {
+		return nil, err
+	}
+
+	return &DB{
+		chatsColection:    client.Database(cfg.MongoConfig.DBName).Collection(cfg.MongoConfig.ChatsCollectionName),
+		workoutsColection: client.Database(cfg.MongoConfig.DBName).Collection(cfg.MongoConfig.WorkoutsCollectionName),
+		caloriesColection: client.Database(cfg.MongoConfig.DBName).Collection(cfg.MongoConfig.CaloriesCollectionName),
+		weightColection:   client.Database(cfg.MongoConfig.DBName).Collection(cfg.MongoConfig.WeightCollectionName),
+	}, nil
+}
+
+func (db *DB) AddChat(chatID int64) error {
+	ctx := context.Background()
+
+	result := db.chatsColection.FindOne(ctx, bson.M{"chat_id": chatID})
+	if result.Err() == mongo.ErrNoDocuments {
+		if _, err := db.chatsColection.InsertOne(ctx, &Chat{ChatID: chatID}); err != nil {
+			return err
+		}
+		return nil
+	}
+	if result.Err() != nil {
+		return result.Err()
+	}
+	loc, _ := time.LoadLocation("Asia/Novosibirsk")
+	t := time.Now().In(loc)
+	_, err := db.chatsColection.UpdateOne(
+		ctx,
+		bson.M{"chat_id": chatID},
+		bson.M{"$set": bson.M{"last_time": t}},
+	)
+	return err
+}
+
+func (db *DB) AddWorkout(chatID int64, workout *Workout) error {
+	ctx := context.Background()
+
+	if workout.Count <= 0 {
+		return nil
+	}
+	if err := db.AddChat(chatID); err != nil {
+		return err
+	}
+	workout.ChatID = chatID
+
+	_, err := db.workoutsColection.InsertOne(
+		ctx,
+		workout,
+	)
+	return err
+}
+
+func (db *DB) AddCalories(chatID int64, calories *Calories) error {
+	ctx := context.Background()
+
+	if err := db.AddChat(chatID); err != nil {
+		return err
+	}
+	calories.ChatID = chatID
+
+	_, err := db.caloriesColection.InsertOne(
+		ctx,
+		calories,
+	)
+	return err
+}
+
+func (db *DB) AddWeight(chatID int64, weight *Weight) error {
+	ctx := context.Background()
+
+	if weight.Weight <= 0 {
+		return nil
+	}
+	if err := db.AddChat(chatID); err != nil {
+		return err
+	}
+	weight.ChatID = chatID
+
+	_, err := db.weightColection.InsertOne(
+		ctx,
+		weight,
+	)
+	return err
+}
+
+func (db *DB) GetChatInfo(chatID int64, username string) (*ChatInfo, error) {
+	ctx := context.Background()
+
+	if err := db.AddChat(chatID); err != nil {
+		return nil, err
+	}
+
+	chatInfoDTO := &ChatInfo{Username: username}
+	if err := db.chatsColection.FindOne(ctx, bson.M{"chat_id": chatID}).Decode(chatInfoDTO); err != nil {
+		return nil, err
+	}
+	return chatInfoDTO, nil
+}
+
+func (db *DB) SetStatusToChat(chatID int64, status UserState) error {
+	ctx := context.Background()
+
+	_, err := db.chatsColection.UpdateOne(
+		ctx,
+		bson.M{"chat_id": chatID},
+		bson.M{"$set": bson.M{"status": status}},
+	)
+	return err
+}
+
+func (db *DB) SetPause(chatID int64, duration time.Duration) error {
+	ctx := context.Background()
+
+	loc, _ := time.LoadLocation("Asia/Novosibirsk")
+	t := time.Now().In(loc).Add(+duration)
+	_, err := db.chatsColection.UpdateOne(
+		ctx,
+		bson.M{"chat_id": chatID},
+		bson.M{"$set": bson.M{"pause_until": t}},
+	)
+	return err
+}
+
+func (db *DB) GetStatBetween(chatID int64, startTime time.Time, endTime time.Time) (map[string]float64, error) {
+	ctx := context.Background()
+
+	if err := db.AddChat(chatID); err != nil {
+		return nil, err
+	}
+
+	res := map[string]float64{}
+
+	cursor, err := db.workoutsColection.Find(
+		ctx,
+		bson.M{
+			"chat_id": chatID,
+			"created_at": bson.M{
+				"$gte": startTime,
+				"$lt":  endTime,
+			},
+		},
+		options.Find().SetSort(
+			bson.M{
+				"created_at": 1,
+			},
+		),
+	)
+	if err != nil {
+		return nil, err
+	}
+	for cursor.Next(context.Background()) {
+		var result Workout
+		if err := cursor.Decode(&result); err != nil {
+			log.Fatal(err)
+		}
+		res[result.Name] += float64(result.Count)
+	}
+	if err := cursor.Err(); err != nil {
+		log.Fatal(err)
+	}
+
+	caloriesCursor, err := db.caloriesColection.Find(
+		ctx,
+		bson.M{
+			"chat_id": chatID,
+			"created_at": bson.M{
+				"$gte": startTime,
+				"$lt":  endTime,
+			},
+		},
+		options.Find().SetSort(
+			bson.M{
+				"created_at": 1,
+			},
+		),
+	)
+	if err != nil {
+		return nil, err
+	}
+	for caloriesCursor.Next(context.Background()) {
+		var result Calories
+		if err := caloriesCursor.Decode(&result); err != nil {
+			log.Fatal(err)
+		}
+		res["Калории"] += float64(result.Count)
+	}
+	if err := caloriesCursor.Err(); err != nil {
+		log.Fatal(err)
+	}
+
+	weightCursor, err := db.weightColection.Find(
+		ctx,
+		bson.M{
+			"chat_id": chatID,
+			"created_at": bson.M{
+				"$gte": startTime,
+				"$lt":  endTime,
+			},
+		},
+		options.Find().SetSort(
+			bson.M{
+				"created_at": 1,
+			},
+		),
+	)
+	if err != nil {
+		return nil, err
+	}
+	firstWeight := 0.0
+	lastWeight := 0.0
+	countWeights := 0
+	for weightCursor.Next(context.Background()) {
+		var result Weight
+		if err := weightCursor.Decode(&result); err != nil {
+			log.Fatal(err)
+		}
+		res["Вес кг"] = result.Weight
+		if firstWeight == 0 {
+			firstWeight = result.Weight
+		}
+		lastWeight = result.Weight
+		countWeights++
+	}
+	if err := weightCursor.Err(); err != nil {
+		log.Fatal(err)
+	}
+	if countWeights > 0 {
+		res["Изменение веса"] = lastWeight - firstWeight
+	}
+
+	return res, err
+}
+
+func (db *DB) GetAllChats() ([]int64, error) {
+	ctx := context.Background()
+
+	loc, _ := time.LoadLocation("Asia/Novosibirsk")
+	t := time.Now().In(loc)
+	cursor, err := db.chatsColection.Find(
+		ctx,
+		bson.M{
+			"$or": bson.A{
+				bson.M{
+					"pause_until": bson.M{"$lt": t},
+				},
+				bson.M{
+					"pause_until": bson.M{"$exists": false},
+				},
+			},
+		},
+	)
+	if err != nil {
+		return nil, err
+	}
+	var res []int64
+	for cursor.Next(context.Background()) {
+		var result ChatInfo
+		if err := cursor.Decode(&result); err != nil {
+			log.Fatal(err)
+		}
+		res = append(res, result.ChatID)
+	}
+	if err := cursor.Err(); err != nil {
+		log.Fatal(err)
+	}
+	return res, err
+}

internal/db/weight.go

@@ -0,0 +1,22 @@
+package db
+
+import "time"
+
+type Weight struct {
+	ChatID    int64     `bson:"chat_id"`
+	Weight    float64   `bson:"weight"`
+	CreatedAt time.Time `bson:"created_at"`
+	Username  string    `bson:"username"`
+}
+
+func NewWeight(
+	weight float64,
+	username string,
+) *Weight {
+	loc, _ := time.LoadLocation("Asia/Novosibirsk")
+	return &Weight{
+		Weight:    weight,
+		Username:  username,
+		CreatedAt: time.Now().In(loc),
+	}
+}

internal/modules/times/times.go

@@ -0,0 +1,38 @@
+package times
+
+import (
+	"time"
+)
+
+var (
+	loc *time.Location
+)
+
+func init() {
+	loc, _ = time.LoadLocation("Asia/Novosibirsk")
+}
+
+func GetNow() time.Time {
+	t := time.Now().In(loc)
+	return t
+}
+
+func GetStartDay() time.Time {
+	t := GetNow()
+	t = time.Date(t.Year(), t.Month(), t.Day(), 0, 0, 0, 0, loc)
+	return t
+}
+
+func GetStartDayMinus(days int) time.Time {
+	t := GetStartDay()
+	for i := 0; i < days; i++ {
+		t = t.Add(-24 * time.Hour)	
+	}
+	return t
+}
+
+func GetStartWeek() time.Time {
+	t := GetStartDay()
+	t = t.Add(-6 * 24 * time.Hour)
+	return t
+}

internal/states/clear_bot_state/clear_bot_state.go

@@ -0,0 +1,45 @@
+package clear_bot_state
+
+import (
+	"net/http"
+
+	tgbot "github.com/go-telegram-bot-api/telegram-bot-api"
+	"golang.org/x/exp/slices"
+
+	"valera/internal/db"
+	"valera/internal/states"
+)
+
+var names = []string{
+	"/c", // en
+	"/с", // ru
+}
+
+type clearBotState struct {
+	bot      *tgbot.BotAPI
+	dataBase *db.DB
+}
+
+func NewClearBotState(bot *tgbot.BotAPI, dataBase *db.DB) states.BotState {
+	return &clearBotState{
+		bot:      bot,
+		dataBase: dataBase,
+	}
+}
+
+func (s *clearBotState) Do(text string, chatInfo *db.ChatInfo) error {
+	if !slices.Contains(names, text) {
+		return nil
+	}
+
+	msg := tgbot.NewMessage(chatInfo.ChatID, "Чистка")
+	msg.ReplyMarkup = tgbot.NewRemoveKeyboard(false)
+	_, _ = s.bot.Send(msg)
+	return s.dataBase.SetStatusToChat(chatInfo.ChatID, db.UserStateNone)
+}
+
+func (s *clearBotState) GetHandler() (string, func(http.ResponseWriter, *http.Request)) {
+	return names[0], func(w http.ResponseWriter, r *http.Request) {
+		w.WriteHeader(http.StatusInternalServerError)
+	}
+}

internal/states/eat_bot_state/calories.go

@@ -0,0 +1,52 @@
+package eat_bot_state
+
+import (
+	"strconv"
+	"strings"
+)
+
+var (
+	productsMap = map[string]struct {
+		caloriesIn100G int
+		awgWeightG     int
+	}{
+		"чай":     {caloriesIn100G: 65, awgWeightG: 200},
+		"яблоко":  {caloriesIn100G: 52, awgWeightG: 242},
+		"хлеб":    {caloriesIn100G: 245, awgWeightG: 35},
+		"огурец":  {caloriesIn100G: 15, awgWeightG: 20},
+		"помидор": {caloriesIn100G: 18, awgWeightG: 18},
+		"слива":   {caloriesIn100G: 50, awgWeightG: 50},
+	}
+)
+
+func calcCalories(text string) (int, error) {
+	product, ok := productsMap[strings.ToLower(text)]
+	if ok {
+		return product.caloriesIn100G * product.awgWeightG / 100, nil
+	}
+	arr := strings.Split(text, " ")
+	if len(arr) == 2 {
+		product, ok := productsMap[strings.ToLower(arr[0])]
+		if ok {
+			count, err := strconv.Atoi(arr[1])
+			if err != nil {
+				return 0, nil
+			}
+			return product.caloriesIn100G * count / 100, nil
+		}
+		count1, err := strconv.Atoi(arr[0])
+		if err != nil {
+			return 0, nil
+		}
+		count2, err := strconv.Atoi(arr[1])
+		if err != nil {
+			return 0, nil
+		}
+		return count1 * count2 / 100, nil
+	}
+	count, err := strconv.Atoi(text)
+	if err != nil {
+		return 0, nil
+	}
+	return count, nil
+}

internal/states/eat_bot_state/calories_test.go

@@ -0,0 +1,65 @@
+package eat_bot_state
+
+import (
+	"fmt"
+	"testing"
+)
+
+func TestCalcCalories(t *testing.T) {
+	t.Parallel()
+	tests := []struct {
+		name    string
+		text    string
+		want    int
+		wantErr bool
+	}{
+		{
+			"empty text",
+			"",
+			0,
+			false,
+		},
+		{
+			"1 text",
+			"1",
+			1,
+			false,
+		},
+		{
+			"2 5 text",
+			"20 50",
+			10,
+			false,
+		},
+		{
+			"чай text",
+			"чай",
+			130,
+			false,
+		},
+		{
+			"чай 250 text",
+			"чай 250",
+			162,
+			false,
+		},
+	}
+
+	for _, tt := range tests {
+		tt := tt
+		t.Run(tt.name, func(t *testing.T) {
+			t.Parallel()
+			count, err := calcCalories(tt.text)
+			if (err != nil) != tt.wantErr {
+				t.Errorf("error calc calories: %v", err)
+				return
+			}
+			if count != tt.want {
+				fmt.Println(count, tt.want)
+				fmt.Println(count, tt.want)
+				t.Errorf("error count: %v", err)
+				return
+			}
+		})
+	}
+}

internal/states/eat_bot_state/eat_bot_state.go

@@ -0,0 +1,64 @@
+package eat_bot_state
+
+import (
+	"fmt"
+	"log"
+	"net/http"
+
+	tgbot "github.com/go-telegram-bot-api/telegram-bot-api"
+	"golang.org/x/exp/slices"
+
+	"valera/internal/db"
+	"valera/internal/modules/times"
+	"valera/internal/states"
+)
+
+var names = []string{
+	"/eat",
+}
+
+type eatBotState struct {
+	bot      *tgbot.BotAPI
+	dataBase *db.DB
+}
+
+func NewEatBotState(bot *tgbot.BotAPI, dataBase *db.DB) states.BotState {
+	return &eatBotState{
+		bot:      bot,
+		dataBase: dataBase,
+	}
+}
+
+func (s *eatBotState) Do(text string, chatInfo *db.ChatInfo) error {
+	if chatInfo.Status == string(db.UserStateEat) {
+		count, err := calcCalories(text)
+		if err != nil {
+			log.Println(err)
+			return nil
+		}
+		if err := s.dataBase.AddCalories(chatInfo.ChatID, db.NewCalories(count, chatInfo.Username)); err != nil {
+			log.Println(err)
+			return nil
+		}
+		stat, err := s.dataBase.GetStatBetween(chatInfo.ChatID, times.GetStartDay(), times.GetNow())
+		if err != nil {
+			log.Println(err)
+			return nil
+		}
+		_, _ = s.bot.Send(tgbot.NewMessage(chatInfo.ChatID, fmt.Sprintf("Калории, фу, %d, записал.\nКалорий сегодня: %v", count, stat["Калории"])))
+		return s.dataBase.SetStatusToChat(chatInfo.ChatID, db.UserStateNone)
+	}
+
+	if !slices.Contains(names, text) {
+		return nil
+	}
+
+	_, _ = s.bot.Send(tgbot.NewMessage(chatInfo.ChatID, "Вижу ты поел, отпишись сколько калорий было"))
+	return s.dataBase.SetStatusToChat(chatInfo.ChatID, db.UserStateEat)
+}
+
+func (s *eatBotState) GetHandler() (string, func(http.ResponseWriter, *http.Request)) {
+	return names[0], func(w http.ResponseWriter, r *http.Request) {
+		w.WriteHeader(http.StatusInternalServerError)
+	}
+}

internal/states/go_bot_state/go_bot_state.go

@@ -0,0 +1,121 @@
+package go_bot_state
+
+import (
+	"fmt"
+	"log"
+	"net/http"
+	"strconv"
+
+	tgbot "github.com/go-telegram-bot-api/telegram-bot-api"
+	"golang.org/x/exp/slices"
+
+	"valera/internal/db"
+	"valera/internal/states"
+)
+
+var names = []string{
+	"/go",
+	"/го",
+}
+
+var (
+	workoutTypes = []string{
+		"Приседания",
+		"Тяга",
+		"Бицепс",
+		"Пресс",
+		"Отжимания",
+		"Подтягивания",
+	}
+)
+
+type goBotState struct {
+	bot      *tgbot.BotAPI
+	dataBase *db.DB
+}
+
+func NewGoBotState(bot *tgbot.BotAPI, dataBase *db.DB) states.BotState {
+	return &goBotState{
+		bot:      bot,
+		dataBase: dataBase,
+	}
+}
+
+func (s *goBotState) Do(text string, chatInfo *db.ChatInfo) error {
+	if chatInfo.Status == string(db.UserStateGo) {
+		if err := s.dataBase.SetStatusToChat(chatInfo.ChatID, db.UserState(text)); err != nil {
+			log.Println(err)
+		}
+		msg := tgbot.NewMessage(chatInfo.ChatID, fmt.Sprintf("%s, отпишись сколько раз ты выполнил упражнение", text))
+		msg.ReplyMarkup = tgbot.NewRemoveKeyboard(false)
+		_, _ = s.bot.Send(msg)
+		return nil
+	}
+
+	isWorkout := false
+	for _, workoutType := range workoutTypes {
+		if chatInfo.GetStatus() == db.UserState(workoutType) {
+			count, err := strconv.Atoi(text)
+			if err != nil {
+				log.Println(err)
+				continue
+			}
+			if err := s.dataBase.AddWorkout(chatInfo.ChatID, db.NewWorkout(workoutType, count, chatInfo.Username)); err != nil {
+				log.Println(err)
+				continue
+			}
+			msgText := fmt.Sprintf("Отлично, %s, записал.", text)
+			if count <= 0 {
+				msgText = "Плохо, хочешь быть толстым и не красивым?"
+			}
+			_, _ = s.bot.Send(tgbot.NewMessage(chatInfo.ChatID, msgText))
+			if err := s.dataBase.SetStatusToChat(chatInfo.ChatID, db.UserStateNone); err != nil {
+				log.Println(err)
+			}
+			isWorkout = true
+			break
+		}
+	}
+	if isWorkout {
+		return nil
+	}
+
+	if !slices.Contains(names, text) {
+		return nil
+	}
+
+	s.sendGoToChat(chatInfo.ChatID)
+	return nil
+}
+
+func (s *goBotState) GetHandler() (string, func(http.ResponseWriter, *http.Request)) {
+	return names[0], func(w http.ResponseWriter, r *http.Request) {
+		chats, err := s.dataBase.GetAllChats()
+		if err != nil {
+			w.Header().Add("Content-Type", "application/json")
+			w.WriteHeader(http.StatusInternalServerError)
+			_, _ = fmt.Fprintf(w, `{"result":"error"}`)
+			return
+		}
+		for _, chatID := range chats {
+			s.sendGoToChat(chatID)
+		}
+		w.Header().Add("Content-Type", "application/json")
+		w.WriteHeader(http.StatusOK)
+		_, _ = fmt.Fprintf(w, `{"result":"ok"}`)
+	}
+}
+
+func (s *goBotState) sendGoToChat(chatID int64) {
+	msg := tgbot.NewMessage(chatID, "Давай немного разомнемся, выбирай:")
+	rows := make([][]tgbot.KeyboardButton, 0, len(workoutTypes))
+	for _, workoutType := range workoutTypes {
+		rows = append(rows, tgbot.NewKeyboardButtonRow(tgbot.NewKeyboardButton(workoutType)))
+	}
+	msg.ReplyMarkup = tgbot.NewReplyKeyboard(rows...)
+	if _, err := s.bot.Send(msg); err == nil {
+		if err := s.dataBase.SetStatusToChat(chatID, db.UserStateGo); err != nil {
+			log.Println(err)
+		}
+	}
+}

internal/states/help_bot_state/help_bot_state.go

@@ -0,0 +1,42 @@
+package help_bot_state
+
+import (
+	"net/http"
+	"valera/internal/db"
+	"valera/internal/states"
+
+	tgbot "github.com/go-telegram-bot-api/telegram-bot-api"
+	"golang.org/x/exp/slices"
+)
+
+var names = []string{
+	"/help",
+}
+
+type helpBotState struct {
+	bot      *tgbot.BotAPI
+	dataBase *db.DB
+}
+
+func NewHelpBotState(bot *tgbot.BotAPI, dataBase *db.DB) states.BotState {
+	return &helpBotState{
+		bot:      bot,
+		dataBase: dataBase,
+	}
+}
+
+func (s *helpBotState) Do(text string, chatInfo *db.ChatInfo) error {
+	if !slices.Contains(names, text) {
+		return nil
+	}
+
+	msg := "Вот что я умею:\n\n1) Предлагать размяться\n - несколько видов упражнений 6 раз в день\n2) Показывать статистику за день\n3) Считать калории\n - введи одно число, я запишу калории\n - введи 2 числа через пробел одно количество грамм другое количество калорий в 100 граммах (порядок не важен), я посчитаю\n - введи название того что ты съел, я посчитаю (если знаю)"
+	_, _ = s.bot.Send(tgbot.NewMessage(chatInfo.ChatID, msg))
+	return s.dataBase.SetStatusToChat(chatInfo.ChatID, db.UserStateNone)
+}
+
+func (s *helpBotState) GetHandler() (string, func(http.ResponseWriter, *http.Request)) {
+	return names[0], func(w http.ResponseWriter, r *http.Request) {
+		w.WriteHeader(http.StatusInternalServerError)
+	}
+}

internal/states/interface.go

@@ -0,0 +1,11 @@
+package states
+
+import (
+	"net/http"
+	"valera/internal/db"
+)
+
+type BotState interface {
+	Do(text string, chatInfo *db.ChatInfo) error
+	GetHandler() (string, func(http.ResponseWriter, *http.Request))
+}

internal/states/pause_bot_state/pause.go

@@ -0,0 +1,21 @@
+package pause_bot_state
+
+import (
+	"strconv"
+	"strings"
+	"time"
+)
+
+func getDuration(text string) (time.Duration, error) {
+	d := strings.TrimSuffix(text, "ч")
+	d = strings.TrimSuffix(d, "д")
+	count, err := strconv.Atoi(d)
+	if err != nil {
+		return 0, err
+	}
+	res := time.Duration(count) * time.Hour
+	if strings.HasSuffix(text, "д") {
+		res *= 24
+	}
+	return res, nil
+}

internal/states/pause_bot_state/pause_bot_state.go

@@ -0,0 +1,66 @@
+package pause_bot_state
+
+import (
+	"fmt"
+	"log"
+	"net/http"
+
+	tgbot "github.com/go-telegram-bot-api/telegram-bot-api"
+	"golang.org/x/exp/slices"
+
+	"valera/internal/db"
+	"valera/internal/states"
+)
+
+var names = []string{
+	"/pause",
+}
+
+type pauseBotState struct {
+	bot      *tgbot.BotAPI
+	dataBase *db.DB
+}
+
+func NewPauseBotState(bot *tgbot.BotAPI, dataBase *db.DB) states.BotState {
+	return &pauseBotState{
+		bot:      bot,
+		dataBase: dataBase,
+	}
+}
+
+func (s *pauseBotState) Do(text string, chatInfo *db.ChatInfo) error {
+	if chatInfo.Status == string(db.UserStatePause) {
+		duration, err := getDuration(text)
+		if err != nil {
+			log.Println(err)
+			return nil
+		}
+		if err := s.dataBase.SetPause(chatInfo.ChatID, duration); err != nil {
+			return nil
+		}
+		msg := tgbot.NewMessage(chatInfo.ChatID, fmt.Sprintf("Поставил паузу %v, отдыхай", duration))
+		msg.ReplyMarkup = tgbot.NewRemoveKeyboard(false)
+		_, _ = s.bot.Send(msg)
+		return s.dataBase.SetStatusToChat(chatInfo.ChatID, db.UserStateNone)
+	}
+
+	if !slices.Contains(names, text) {
+		return nil
+	}
+
+	msg := tgbot.NewMessage(chatInfo.ChatID, "Хочешь отдохнуть? Сколько времени тебе нужно?")
+	msg.ReplyMarkup = tgbot.NewReplyKeyboard([][]tgbot.KeyboardButton{
+		tgbot.NewKeyboardButtonRow(
+			tgbot.NewKeyboardButton("8ч"),
+			tgbot.NewKeyboardButton("32ч"),
+		),
+	}...)
+	_, _ = s.bot.Send(msg)
+	return s.dataBase.SetStatusToChat(chatInfo.ChatID, db.UserStatePause)
+}
+
+func (s *pauseBotState) GetHandler() (string, func(http.ResponseWriter, *http.Request)) {
+	return names[0], func(w http.ResponseWriter, r *http.Request) {
+		w.WriteHeader(http.StatusInternalServerError)
+	}
+}

internal/states/ping_bot_state/ping_bot_state.go

@@ -0,0 +1,43 @@
+package ping_bot_state
+
+import (
+	"net/http"
+
+	tgbot "github.com/go-telegram-bot-api/telegram-bot-api"
+	"golang.org/x/exp/slices"
+
+	"valera/internal/db"
+	"valera/internal/states"
+)
+
+var names = []string{
+	"/ping",
+}
+
+type pingBotState struct {
+	bot      *tgbot.BotAPI
+	dataBase *db.DB
+}
+
+func NewPingBotState(bot *tgbot.BotAPI, dataBase *db.DB) states.BotState {
+	return &pingBotState{
+		bot:      bot,
+		dataBase: dataBase,
+	}
+}
+
+func (s *pingBotState) Do(text string, chatInfo *db.ChatInfo) error {
+	if !slices.Contains(names, text) {
+		return nil
+	}
+
+	msg := "Понг"
+	_, _ = s.bot.Send(tgbot.NewMessage(chatInfo.ChatID, msg))
+	return s.dataBase.SetStatusToChat(chatInfo.ChatID, db.UserStateNone)
+}
+
+func (s *pingBotState) GetHandler() (string, func(http.ResponseWriter, *http.Request)) {
+	return names[0], func(w http.ResponseWriter, r *http.Request) {
+		w.WriteHeader(http.StatusInternalServerError)
+	}
+}

internal/states/start_bot_state/start_bot_state.go

@@ -0,0 +1,45 @@
+package start_bot_state
+
+import (
+	"fmt"
+	"net/http"
+	"valera/internal/db"
+	"valera/internal/states"
+
+	tgbot "github.com/go-telegram-bot-api/telegram-bot-api"
+	"golang.org/x/exp/slices"
+)
+
+var names = []string{
+	"/start",
+}
+
+type startBotState struct {
+	bot      *tgbot.BotAPI
+	dataBase *db.DB
+	version  string
+}
+
+func NewStartBotState(bot *tgbot.BotAPI, dataBase *db.DB, version string) states.BotState {
+	return &startBotState{
+		bot:      bot,
+		dataBase: dataBase,
+		version:  version,
+	}
+}
+
+func (s *startBotState) Do(text string, chatInfo *db.ChatInfo) error {
+	if !slices.Contains(names, text) {
+		return nil
+	}
+
+	msg := fmt.Sprintf("Здорова, я Валера (%s), твой тренер (%d).", s.version, chatInfo.ChatID)
+	_, _ = s.bot.Send(tgbot.NewMessage(chatInfo.ChatID, msg))
+	return s.dataBase.SetStatusToChat(chatInfo.ChatID, db.UserStateNone)
+}
+
+func (s *startBotState) GetHandler() (string, func(http.ResponseWriter, *http.Request)) {
+	return names[0], func(w http.ResponseWriter, r *http.Request) {
+		w.WriteHeader(http.StatusInternalServerError)
+	}
+}

internal/states/stat_bot_state/stat_bot_state.go

@@ -0,0 +1,93 @@
+package stat_bot_state
+
+import (
+	"fmt"
+	"net/http"
+	"time"
+
+	tgbot "github.com/go-telegram-bot-api/telegram-bot-api"
+	"golang.org/x/exp/slices"
+
+	"valera/internal/db"
+	"valera/internal/modules/times"
+	"valera/internal/states"
+)
+
+var names = []string{
+	"/stat",
+	"/stat_week",
+}
+
+type statBotState struct {
+	bot      *tgbot.BotAPI
+	dataBase *db.DB
+}
+
+func NewStatBotState(bot *tgbot.BotAPI, dataBase *db.DB) states.BotState {
+	return &statBotState{
+		bot:      bot,
+		dataBase: dataBase,
+	}
+}
+
+func (s *statBotState) Do(text string, chatInfo *db.ChatInfo) error {
+	if !slices.Contains(names, text) {
+		return nil
+	}
+
+	if text == "/stat" {
+		s.sendStatToChatAfter(chatInfo.ChatID, "Результаты за сегодня:\n", times.GetStartDay())
+	}
+
+	if text == "/stat_week" {
+		s.sendStatToChatAfter(chatInfo.ChatID, "Результаты за неделю:\n", times.GetStartWeek())
+	}
+
+	return nil
+}
+
+func (s *statBotState) GetHandler() (string, func(http.ResponseWriter, *http.Request)) {
+	return names[0], func(w http.ResponseWriter, r *http.Request) {
+		chats, err := s.dataBase.GetAllChats()
+		if err != nil {
+			fmt.Println(err)
+			w.Header().Add("Content-Type", "application/json")
+			w.WriteHeader(http.StatusInternalServerError)
+			_, _ = fmt.Fprintf(w, `{"result":"error"}`)
+			return
+		}
+		for _, chatID := range chats {
+			t := times.GetStartDay()
+			if err := s.sendStatToChatAfter(chatID, "Напоминаю:\n- Cегодня больше не жрем!\n\nРезультаты за сегодня:\n", times.GetStartDay()); err != nil {
+				w.Header().Add("Content-Type", "application/json")
+				w.WriteHeader(http.StatusInternalServerError)
+				_, _ = fmt.Fprintf(w, `{"result":"error"}`)
+				return
+			}
+			if t.Weekday() == time.Sunday {
+				if err := s.sendStatToChatAfter(chatID, "Результаты за неделю:\n", times.GetStartWeek()); err != nil {
+					w.Header().Add("Content-Type", "application/json")
+					w.WriteHeader(http.StatusInternalServerError)
+					_, _ = fmt.Fprintf(w, `{"result":"error"}`)
+					return
+				}
+			}
+		}
+		w.Header().Add("Content-Type", "application/json")
+		w.WriteHeader(http.StatusOK)
+		_, _ = fmt.Fprintf(w, `{"result":"ok"}`)
+	}
+}
+
+func (s *statBotState) sendStatToChatAfter(chatID int64, prefix string, t time.Time) error {
+	msgText := prefix
+	stat, err := s.dataBase.GetStatBetween(chatID, t, times.GetNow())
+	if err != nil {
+		return err
+	}
+	for k, v := range stat {
+		msgText += fmt.Sprintf("- %s: %v\n", k, v)
+	}
+	_, _ = s.bot.Send(tgbot.NewMessage(chatID, msgText))
+	return nil
+}

internal/states/weight_bot_state/weight_bot_state.go

@@ -0,0 +1,100 @@
+package weight_bot_state
+
+import (
+	"fmt"
+	"log"
+	"net/http"
+	"strconv"
+	"strings"
+
+	tgbot "github.com/go-telegram-bot-api/telegram-bot-api"
+	"golang.org/x/exp/slices"
+
+	"valera/internal/db"
+	"valera/internal/modules/times"
+	"valera/internal/states"
+)
+
+var names = []string{
+	"/weight",
+}
+
+type weightBotState struct {
+	bot      *tgbot.BotAPI
+	dataBase *db.DB
+}
+
+func NewWeightBotState(bot *tgbot.BotAPI, dataBase *db.DB) states.BotState {
+	return &weightBotState{
+		bot:      bot,
+		dataBase: dataBase,
+	}
+}
+
+func (s *weightBotState) Do(text string, chatInfo *db.ChatInfo) error {
+	if chatInfo.Status == string(db.UserStateWeight) {
+		weight, err := getWeight(text)
+		if err != nil {
+			log.Println(err)
+			return nil
+		}
+		if weight <= 0 {
+			_, _ = s.bot.Send(tgbot.NewMessage(chatInfo.ChatID, "Все фигня, давай по новой"))
+			return nil
+		}
+		if err := s.dataBase.AddWeight(chatInfo.ChatID, db.NewWeight(weight, chatInfo.Username)); err != nil {
+			log.Println(err)
+			return nil
+		}
+		stat, err := s.dataBase.GetStatBetween(chatInfo.ChatID, times.GetStartDayMinus(1), times.GetStartDay())
+		if err != nil {
+			log.Println(err)
+			return nil
+		}
+		dWeight := 0.0
+		if stat["Вес кг"] != 0 {
+			dWeight = weight - stat["Вес кг"]
+		}
+		_, _ = s.bot.Send(tgbot.NewMessage(chatInfo.ChatID, fmt.Sprintf("%vкг, записал.\nИзменение веса: %vкг", weight, dWeight)))
+		return s.dataBase.SetStatusToChat(chatInfo.ChatID, db.UserStateNone)
+	}
+
+	if !slices.Contains(names, text) {
+		return nil
+	}
+
+	s.sendWeightToChat(chatInfo.ChatID)
+	return nil
+}
+
+func (s *weightBotState) GetHandler() (string, func(http.ResponseWriter, *http.Request)) {
+	return names[0], func(w http.ResponseWriter, r *http.Request) {
+		chats, err := s.dataBase.GetAllChats()
+		if err != nil {
+			w.Header().Add("Content-Type", "application/json")
+			w.WriteHeader(http.StatusInternalServerError)
+			_, _ = fmt.Fprintf(w, `{"result":"error"}`)
+			return
+		}
+		for _, chatID := range chats {
+			s.sendWeightToChat(chatID)
+		}
+		w.Header().Add("Content-Type", "application/json")
+		w.WriteHeader(http.StatusOK)
+		_, _ = fmt.Fprintf(w, `{"result":"ok"}`)
+	}
+}
+
+func (s *weightBotState) sendWeightToChat(chatID int64) {
+	msg := tgbot.NewMessage(chatID, "Давай взвешивайся, отпишись сколько кг ты весишь")
+	if _, err := s.bot.Send(msg); err == nil {
+		if err := s.dataBase.SetStatusToChat(chatID, db.UserStateWeight); err != nil {
+			log.Println(err)
+		}
+	}
+}
+
+func getWeight(text string) (float64, error) {
+	number := strings.ReplaceAll(text, ",", ".")
+	return strconv.ParseFloat(number, 64)
+}

main.go

@@ -1,274 +0,0 @@
-package main
-
-import (
-	"errors"
-	"fmt"
-	tgbot "github.com/go-telegram-bot-api/telegram-bot-api"
-	"github.com/umputun/go-flags"
-	"io/ioutil"
-	"log"
-	"net/http"
-	"os"
-	"strconv"
-	"strings"
-	"valera/commands"
-	"valera/db"
-)
-
-var (
-	workoutTypes = []string{
-		"Отжимания",
-		"Пресс",
-	}
-)
-
-const (
-	version = "v1.4.0"
-)
-
-type Opts struct {
-	Token string `short:"t" long:"token" description:"Telegram api token"`
-	Name  string `short:"n" long:"name" description:"Telegram bot name" default:"@body_weight_loss_bot"`
-}
-
-var opts Opts
-
-func readFile(filename string) (string, error) {
-	b, err := ioutil.ReadFile(filename)
-	if err != nil {
-		return "", err
-	}
-	str := string(b)
-	return str, nil
-}
-
-func main() {
-	run()
-}
-
-func run() {
-	p := flags.NewParser(&opts, flags.PrintErrors|flags.PassDoubleDash|flags.HelpFlag)
-	p.SubcommandsOptional = true
-	if _, err := p.Parse(); err != nil {
-		if err.(*flags.Error).Type != flags.ErrHelp {
-			log.Println(errors.New("[ERROR] cli error: " + err.Error()))
-		}
-		os.Exit(2)
-	}
-
-	if opts.Token == "" {
-		token, err := readFile("token.txt")
-		if err != nil {
-			panic(err)
-		}
-		opts.Token = strings.ReplaceAll(token, "\n", "")
-	}
-	fmt.Println(opts.Token)
-
-	bot, err := tgbot.NewBotAPI(opts.Token)
-	if err != nil {
-		panic(err)
-	}
-
-	mongoURL, err := readFile("mongo_url.txt")
-	if err != nil {
-		panic(err)
-	}
-	mongoURL = strings.ReplaceAll(mongoURL, "\n", "")
-	fmt.Println(mongoURL)
-
-	dbName, err := readFile("db_name.txt")
-	if err != nil {
-		panic(err)
-	}
-	dbName = strings.ReplaceAll(dbName, "\n", "")
-	fmt.Println(dbName)
-
-	dataBase := db.NewDB(
-		mongoURL,
-		dbName,
-	)
-
-	u := tgbot.NewUpdate(0)
-	u.Timeout = 60
-
-	updates, err := bot.GetUpdatesChan(u)
-	if err != nil {
-		panic(err)
-	}
-
-	go func() {
-		http.HandleFunc("/go", func(w http.ResponseWriter, r *http.Request) {
-			chats, err := dataBase.GetAllChats()
-			if err != nil {
-				w.Header().Add("Content-Type", "application/json")
-				w.WriteHeader(http.StatusInternalServerError)
-				_, _ = fmt.Fprintf(w, `{"result":"error"}`)
-				return
-			}
-			for _, chatID := range chats {
-				sendGoToChat(bot, dataBase, chatID)
-			}
-			w.Header().Add("Content-Type", "application/json")
-			w.WriteHeader(http.StatusOK)
-			_, _ = fmt.Fprintf(w, `{"result":"ok"}`)
-		})
-
-		http.HandleFunc("/stat", func(w http.ResponseWriter, r *http.Request) {
-			chats, err := dataBase.GetAllChats()
-			if err != nil {
-				fmt.Println(err)
-				w.Header().Add("Content-Type", "application/json")
-				w.WriteHeader(http.StatusInternalServerError)
-				_, _ = fmt.Fprintf(w, `{"result":"error"}`)
-				return
-			}
-			for _, chatID := range chats {
-				if err := sendStatToChat(bot, dataBase, chatID, "Напоминаю:\n- Cегодня больше не жрем!\n\n"); err != nil {
-					fmt.Println(err)
-					w.Header().Add("Content-Type", "application/json")
-					w.WriteHeader(http.StatusInternalServerError)
-					_, _ = fmt.Fprintf(w, `{"result":"error"}`)
-					return
-				}
-			}
-			w.Header().Add("Content-Type", "application/json")
-			w.WriteHeader(http.StatusOK)
-			_, _ = fmt.Fprintf(w, `{"result":"ok"}`)
-		})
-
-		port := ":10002"
-		log.Println("Server is start up! port", port)
-		log.Fatal(http.ListenAndServe(port, nil))
-	}()
-
-	log.Println("Run", opts.Name)
-
-	for update := range updates {
-
-		if update.Message == nil {
-			continue
-		}
-
-		text := update.Message.Text
-		chatID := update.Message.Chat.ID
-		username := update.Message.From.UserName
-
-		userInfoDTO, err := dataBase.GetChatInfo(chatID)
-		if err != nil {
-			log.Println(err)
-			continue
-		}
-
-		isWorkout := false
-		for _, workoutType := range workoutTypes {
-			if userInfoDTO.GetStatus() == db.UserState(workoutType) {
-				count, err := strconv.Atoi(text)
-				if err != nil {
-					log.Println(err)
-					continue
-				}
-				if err := dataBase.AddWorkout(chatID, db.NewWorkout(workoutType, count, username)); err != nil {
-					log.Println(err)
-					continue
-				}
-				msgText := fmt.Sprintf("Отлично, %s, записал.", text)
-				if count <= 0 {
-					msgText = "Плохо, хочешь быть толстым и не красивым?"
-				}
-				_, _ = bot.Send(tgbot.NewMessage(chatID, msgText))
-				if err := dataBase.SetStatusToChat(chatID, db.UserStateNone); err != nil {
-					log.Println(err)
-				}
-				isWorkout = true
-				break
-			}
-		}
-		if isWorkout {
-			continue
-		}
-
-		switch userInfoDTO.GetStatus() {
-		case db.UserStateGo:
-			if err := dataBase.SetStatusToChat(chatID, db.UserState(text)); err != nil {
-				log.Println(err)
-			}
-			msg := tgbot.NewMessage(chatID, fmt.Sprintf("%s, отпишись сколько раз ты выполнил упражнение", text))
-			msg.ReplyMarkup = tgbot.NewRemoveKeyboard(false)
-			_, _ = bot.Send(msg)
-			continue
-		case db.UserStateEat:
-			count, err := strconv.Atoi(text)
-			if err != nil {
-				log.Println(err)
-				continue
-			}
-			if err := dataBase.AddCalories(chatID, db.NewCalories(count, username)); err != nil {
-				log.Println(err)
-				continue
-			}
-			if count <= 0 {
-				_, _ = bot.Send(tgbot.NewMessage(chatID, "Все фигня, давай по новой"))
-				continue
-			}
-			_, _ = bot.Send(tgbot.NewMessage(chatID, fmt.Sprintf("Калории, фу, %s, записал.", text)))
-			if err := dataBase.SetStatusToChat(chatID, db.UserStateNone); err != nil {
-				log.Println(err)
-			}
-			continue
-		}
-
-		command := commands.Command(strings.Replace(text, opts.Name, "", 1))
-		switch command {
-		case commands.Start:
-			_, _ = bot.Send(tgbot.NewMessage(chatID, fmt.Sprintf("Здорова, я Валера (%s), твой тренер (%d).", version, chatID)))
-			if err := dataBase.SetStatusToChat(chatID, db.UserStateNone); err != nil {
-				log.Println(err)
-			}
-		case commands.Help:
-			_, _ = bot.Send(tgbot.NewMessage(chatID, "Вот что я умею:\n\n1) Предлагать размяться\n2) Показывать статистику\n3) Считать калории"))
-		case commands.Ping:
-			_, _ = bot.Send(tgbot.NewMessage(chatID, "pong"))
-		case commands.Go:
-			sendGoToChat(bot, dataBase, chatID)
-		case commands.Stat:
-			if err := sendStatToChat(bot, dataBase, chatID, ""); err != nil {
-				fmt.Println(err)
-				continue
-			}
-		case commands.Eat:
-			if _, err := bot.Send(tgbot.NewMessage(chatID, "Вижу ты поел, отпишись сколько калорий было")); err == nil {
-				if err := dataBase.SetStatusToChat(chatID, db.UserStateEat); err != nil {
-					log.Println(err)
-				}
-			}
-		}
-	}
-}
-
-func sendGoToChat(bot *tgbot.BotAPI, dataBase *db.DB, chatID int64) {
-	msg := tgbot.NewMessage(chatID, "Давай немного разомнемся, выбирай:")
-	row := tgbot.NewKeyboardButtonRow()
-	for _, workoutType := range workoutTypes {
-		row = append(row, tgbot.NewKeyboardButton(workoutType))
-	}
-	msg.ReplyMarkup = tgbot.NewReplyKeyboard(row)
-	if _, err := bot.Send(msg); err == nil {
-		if err := dataBase.SetStatusToChat(chatID, db.UserStateGo); err != nil {
-			log.Println(err)
-		}
-	}
-}
-
-func sendStatToChat(bot *tgbot.BotAPI, dataBase *db.DB, chatID int64, prefix string) error {
-	stat, err := dataBase.GetStat(chatID)
-	if err != nil {
-		return err
-	}
-	msgText := prefix + "Результаты за сегодня:\n"
-	for k, v := range stat {
-		msgText += fmt.Sprintf("- %s: %d\n", k, v)
-	}
-	_, _ = bot.Send(tgbot.NewMessage(chatID, msgText))
-	return nil
-}