Fix emailing functionality and update subject and body and file names

src/registrar/management/commands/generate_current_metadata_report.py

@@ -4,6 +4,8 @@ import logging
 import os
 import pyzipper
 
+from datetime import datetime
+
 from django.core.management import BaseCommand
 from django.conf import settings
 from registrar.utility import csv_export
@@ -13,9 +15,11 @@ from ...utility.email import send_templated_email, EmailSendingError
 
 logger = logging.getLogger(__name__)
 
+
 class Command(BaseCommand):
     help = (
-        "Generates and uploads a current-metadata.csv file to our S3 bucket " "which is based off of all existing Domains."
+        "Generates and uploads a current-metadata.csv file to our S3 bucket "
+        "which is based off of all existing Domains."
     )
 
     def add_arguments(self, parser):
@@ -58,38 +62,43 @@ class Command(BaseCommand):
 
         # Upload this generated file for our S3 instance
         s3_client.upload_file(file_path, file_name)
-        """
-        We want to make sure to upload to s3 for back up
-        And now we also want to get the file and encrypt it so we can send it in an email
-        """
 
-        # Encrypt metadata into a zip file
+        # Set zip file name
+        current_date = datetime.now().strftime("%m%d%Y")
+        current_filename = f"domain-metadata-{current_date}.zip"
+        # Pre-set zip file name
+        encrypted_metadata_output = current_filename
 
-        # pre-setting zip file name 
-        encrypted_metadata_output = 'encrypted_metadata.zip'
+        # Set context for the subject
+        current_date_str = datetime.now().strftime("%Y-%m-%d")
 
-        # Secret is encrypted into getgov-credentials
         # TODO: Update secret in getgov-credentials via cloud.gov and my own .env when ready
 
         # Encrypt the metadata
-        # TODO: UPDATE SECRET_ENCRYPT_METADATA pw getgov-credentials on stable
-        encrypted_metadata = self._encrypt_metadata(s3_client.get_file(file_name), encrypted_metadata_output, str.encode(settings.SECRET_ENCRYPT_METADATA))
-        print("encrypted_metadata is:", encrypted_metadata)
-        print("the type is: ", type(encrypted_metadata))
+        encrypted_metadata_in_bytes = self._encrypt_metadata(
+            s3_client.get_file(file_name), encrypted_metadata_output, str.encode(settings.SECRET_ENCRYPT_METADATA)
+        )
+
         # Send the metadata file that is zipped
-        # TODO: Make new .txt files
         send_templated_email(
-            "emails/metadata_body.txt",
-            "emails/metadata_subject.txt",
-            to_address="rebecca.hsieh@truss.works", # TODO: Update to settings.DEFAULT_FROM_EMAIL once tested
-            file=encrypted_metadata,
+            template_name="emails/metadata_body.txt",
+            subject_template_name="emails/metadata_subject.txt",
+            to_address=settings.DEFAULT_FROM_EMAIL,
+            # to_address="rebecca.hsieh@truss.works <rebecca.hsieh@truss.works>", # TODO: Update to settings.DEFAULT_FROM_EMAIL once tested
+            context={"current_date_str": current_date_str},
+            file=encrypted_metadata_in_bytes,
         )
 
     def _encrypt_metadata(self, input_file, output_file, password):
+        current_date = datetime.now().strftime("%m%d%Y")
+        current_filename = f"domain-metadata-{current_date}.txt"
         # Using ZIP_DEFLATED bc it's a more common compression method supported by most zip utilities and faster
         # We could also use compression=pyzipper.ZIP_LZMA if we are looking for smaller file size
-        with pyzipper.AESZipFile(output_file, 'w', compression=pyzipper.ZIP_DEFLATED, encryption=pyzipper.WZ_AES) as f_out:
+        with pyzipper.AESZipFile(
+            output_file, "w", compression=pyzipper.ZIP_DEFLATED, encryption=pyzipper.WZ_AES
+        ) as f_out:
             f_out.setpassword(password)
-            f_out.writestr('encrypted_metadata.txt', input_file)
-        return output_file
-
+            f_out.writestr(current_filename, input_file)
+        with open(output_file, "rb") as file_data:
+            attachment_in_bytes = file_data.read()
+        return attachment_in_bytes

src/registrar/templates/emails/metadata_body.txt

@@ -0,0 +1 @@
+An export of all .gov metadata.

src/registrar/templates/emails/metadata_subject.txt

@@ -0,0 +1,2 @@
+Domain metadata - {{current_date_str}}
+

src/registrar/utility/email.py

@@ -2,6 +2,7 @@
 
 import boto3
 import logging
+from datetime import datetime
 from django.conf import settings
 from django.template.loader import get_template
 from email.mime.base import MIMEBase
@@ -19,7 +20,7 @@ class EmailSendingError(RuntimeError):
     pass
 
 
-def send_templated_email(template_name: str, subject_template_name: str, to_address: str, context={}, file: str=None):
+def send_templated_email(template_name: str, subject_template_name: str, to_address: str, context={}, file: str = None):
     """Send an email built from a template to one email address.
 
     template_name and subject_template_name are relative to the same template
@@ -56,8 +57,7 @@ def send_templated_email(template_name: str, subject_template_name: str, to_addr
                     },
                 },
             )
-        if file is not None:
-            # TODO: Update sender email when we figure out
+        else:
             ses_client = boto3.client(
                 "ses",
                 region_name=settings.AWS_REGION,
@@ -65,35 +65,34 @@ def send_templated_email(template_name: str, subject_template_name: str, to_addr
                 aws_secret_access_key=settings.AWS_SECRET_ACCESS_KEY,
                 config=settings.BOTO_CONFIG,
             )
-
-            #TODO: Update sender to settings.DEFAULT_FROM_EMAIL
-            response = send_email_with_attachment(settings.DEFAULT_FROM_EMAIL, to_address, subject, email_body, file, ses_client)
+            # Define the subject line with the current date
+            response = send_email_with_attachment(
+                settings.DEFAULT_FROM_EMAIL, to_address, subject, email_body, file, ses_client
+            )
+            # TODO: Remove this print statement
             print("Response from send_email_with_attachment_is:", response)
     except Exception as exc:
         raise EmailSendingError("Could not send SES email.") from exc
 
+
 def send_email_with_attachment(sender, recipient, subject, body, attachment_file, ses_client):
     # Create a multipart/mixed parent container
-    msg = MIMEMultipart('mixed')
-    msg['Subject'] = subject
-    msg['From'] = sender
-    msg['To'] = recipient
+    msg = MIMEMultipart("mixed")
+    msg["Subject"] = subject
+    msg["From"] = sender
+    msg["To"] = recipient
 
     # Add the text part
-    text_part = MIMEText(body, 'plain')
+    text_part = MIMEText(body, "plain")
     msg.attach(text_part)
 
     # Add the attachment part
-
-    # set it into this "type"
     attachment_part = MIMEApplication(attachment_file)
     # Adding attachment header + filename that the attachment will be called
-    attachment_part.add_header('Content-Disposition', f'attachment; filename="encrypted_metadata.zip"')
+    current_date = datetime.now().strftime("%m%d%Y")
+    current_filename = f"domain-metadata-{current_date}.zip"
+    attachment_part.add_header("Content-Disposition", f'attachment; filename="{current_filename}"')
     msg.attach(attachment_part)
 
-    response = ses_client.send_raw_email(
-        Source=sender,
-        Destinations=[recipient],
-        RawMessage={"Data": msg.as_string()}
-    )
+    response = ses_client.send_raw_email(Source=sender, Destinations=[recipient], RawMessage={"Data": msg.as_string()})
     return response