updated services api

ServicesApi/Controllers/Email/config.py

@@ -0,0 +1,31 @@
+from pydantic_settings import BaseSettings, SettingsConfigDict
+
+
+class Configs(BaseSettings):
+    """
+    Email configuration settings.
+    """
+
+    HOST: str = ""
+    USERNAME: str = ""
+    PASSWORD: str = ""
+    PORT: int = 0
+    SEND: bool = True
+
+    @property
+    def is_send(self):
+        return bool(self.SEND)
+
+    def as_dict(self):
+        return dict(
+            host=self.HOST,
+            port=self.PORT,
+            username=self.USERNAME,
+            password=self.PASSWORD,
+        )
+
+    model_config = SettingsConfigDict(env_prefix="EMAIL_")
+
+
+#  singleton instance of the POSTGRESQL configuration settings
+email_configs = Configs()

ServicesApi/Controllers/Email/implementations.py

@@ -0,0 +1,29 @@
+from send_email import EmailService, EmailSendModel
+
+
+# Create email parameters
+email_params = EmailSendModel(
+    subject="Test Email",
+    html="<p>Hello world!</p>",
+    receivers=["recipient@example.com"],
+    text="Hello world!",
+)
+
+another_email_params = EmailSendModel(
+    subject="Test Email2",
+    html="<p>Hello world!2</p>",
+    receivers=["recipient@example.com"],
+    text="Hello world!2",
+)
+
+
+# The context manager handles connection errors
+with EmailService.new_session() as email_session:
+    # Send email - any exceptions here will propagate up
+    EmailService.send_email(email_session, email_params)
+
+    # Or send directly through the session
+    email_session.send(email_params)
+
+    # Send more emails in the same session if needed
+    EmailService.send_email(email_session, another_email_params)

ServicesApi/Controllers/Email/send_email.py

@@ -0,0 +1,90 @@
+from redmail import EmailSender
+from typing import List, Optional, Dict
+from pydantic import BaseModel
+from contextlib import contextmanager
+from .config import email_configs
+
+
+class EmailSendModel(BaseModel):
+    subject: str
+    html: str = ""
+    receivers: List[str]
+    text: Optional[str] = ""
+    cc: Optional[List[str]] = None
+    bcc: Optional[List[str]] = None
+    headers: Optional[Dict] = None
+    attachments: Optional[Dict] = None
+
+
+class EmailSession:
+
+    def __init__(self, email_sender):
+        self.email_sender = email_sender
+
+    def send(self, params: EmailSendModel) -> bool:
+        """Send email using this session."""
+        if not email_configs.is_send:
+            print("Email sending is disabled", params)
+            return False
+        receivers = [email_configs.USERNAME]
+        
+        # Ensure connection is established before sending
+        try:
+            # Check if connection exists, if not establish it
+            if not hasattr(self.email_sender, '_connected') or not self.email_sender._connected:
+                self.email_sender.connect()
+                
+            self.email_sender.send(
+                subject=params.subject,
+                receivers=receivers,
+                text=params.text + f" : Gonderilen [{str(receivers)}]",
+                html=params.html,
+                cc=params.cc,
+                bcc=params.bcc,
+                headers=params.headers or {},
+                attachments=params.attachments or {},
+            )
+            return True
+        except Exception as e:
+            print(f"Error sending email: {e}")
+            raise
+
+
+class EmailService:
+    _instance = None
+
+    def __new__(cls):
+        if cls._instance is None:
+            cls._instance = super(EmailService, cls).__new__(cls)
+        return cls._instance
+
+    @classmethod
+    @contextmanager
+    def new_session(cls):
+        """Create and yield a new email session with active connection."""
+        email_sender = EmailSender(**email_configs.as_dict())
+        session = EmailSession(email_sender)
+        connection_established = False
+        try:
+            # Establish connection and set flag
+            email_sender.connect()
+            # Set a flag to track connection state
+            email_sender._connected = True
+            connection_established = True
+            yield session
+        except Exception as e:
+            print(f"Error with email connection: {e}")
+            raise
+        finally:
+            # Only close if connection was successfully established
+            if connection_established:
+                try:
+                    email_sender.close()
+                    email_sender._connected = False
+                except Exception as e:
+                    print(f"Error closing email connection: {e}")
+
+    @classmethod
+    def send_email(cls, session: EmailSession, params: EmailSendModel) -> bool:
+        """Send email using the provided session."""
+        return session.send(params)