Исходники и презентации

lessons/interfaces/producer_interface/service/client_updater.go

@@ -0,0 +1,17 @@
+package service
+
+import "golang_course/lessons/interfaces/producer_interface/storage"
+
+type ClientUpdater struct {
+	repository storage.ClientStorage
+}
+
+func NewClientUpdater(repository storage.ClientStorage) ClientUpdater {
+	return ClientUpdater{
+		repository: repository,
+	}
+}
+
+func (s *ClientUpdater) UpdateClient(client storage.Client) error {
+	return s.repository.UpdateClient(client)
+}

lessons/interfaces/producer_interface/service/message_sender.go

@@ -0,0 +1,24 @@
+package service
+
+import "golang_course/lessons/interfaces/producer_interface/storage"
+
+type MessageSender struct {
+	repository storage.ClientStorage
+}
+
+func NewMessageSender(repository storage.ClientStorage) MessageSender {
+	return MessageSender{
+		repository: repository,
+	}
+}
+
+func (s *MessageSender) SendMessage(userId int, message string) error {
+	_, err := s.repository.GetClient(userId)
+	if err != nil {
+		return err
+	}
+
+	// send message to client
+
+	return nil
+}

lessons/interfaces/producer_interface/storage/client.go

@@ -0,0 +1,19 @@
+package storage
+
+type Client struct {
+	Id      int
+	Name    string
+	Surname string
+	Age     int
+	Address string
+}
+
+type ClientStorage interface {
+	GetAllClients() ([]Client, error)
+	GetClientsByAge(int) ([]Client, error)
+	GetClient(int) (Client, error)
+	RemoveClient(int) error
+	UpdateClient(Client) error
+	CreateClient(Client) error
+	// ...
+}

lessons/interfaces/producer_interface/storage/mysql/storage.go

@@ -0,0 +1,35 @@
+package mysql
+
+import "golang_course/lessons/interfaces/producer_interface/storage"
+
+type MySQLStorage struct{}
+
+func (s *MySQLStorage) GetAllClients() ([]storage.Client, error) {
+	// already implemented
+	return nil, nil
+}
+
+func (s *MySQLStorage) GetClientsByAge(age int) ([]storage.Client, error) {
+	// already implemented
+	return nil, nil
+}
+
+func (s *MySQLStorage) GetClient(id int) (storage.Client, error) {
+	// already implemented
+	return storage.Client{}, nil
+}
+
+func (s *MySQLStorage) RemoveClient(id int) error {
+	// already implemented
+	return nil
+}
+
+func (s *MySQLStorage) UpdateClient(client storage.Client) error {
+	// already implemented
+	return nil
+}
+
+func (s *MySQLStorage) CreateClient(client storage.Client) error {
+	// already implemented
+	return nil
+}

lessons/interfaces/producer_interface/storage/redis/storage.go

@@ -0,0 +1,35 @@
+package redis
+
+import "golang_course/lessons/interfaces/producer_interface/storage"
+
+type RedisStorage struct{}
+
+func (s *RedisStorage) GetAllClients() ([]storage.Client, error) {
+	// already implemented
+	return nil, nil
+}
+
+func (s *RedisStorage) GetClientsByAge(age int) ([]storage.Client, error) {
+	// already implemented
+	return nil, nil
+}
+
+func (s *RedisStorage) GetClient(id int) (storage.Client, error) {
+	// already implemented
+	return storage.Client{}, nil
+}
+
+func (s *RedisStorage) RemoveClient(id int) error {
+	// already implemented
+	return nil
+}
+
+func (s *RedisStorage) UpdateClient(client storage.Client) error {
+	// already implemented
+	return nil
+}
+
+func (s *RedisStorage) CreateClient(client storage.Client) error {
+	// already implemented
+	return nil
+}