update-attachmants-get-uses-cases

Author: Dmitriy-Xawstov

getAttachmentAndSave.py

@@ -0,0 +1,79 @@
+import shutil
+import json
+import logging
+from pathlib import Path
+from asposepdfcloud import ApiClient, PdfApi, AttachmentsResponse, AttachmentResponse, Attachment
+
+# Configure logging
+logging.basicConfig(level=logging.INFO, format="%(asctime)s - %(levelname)s - %(message)s")
+
+class Config:
+    """Configuration parameters."""
+    CREDENTIALS_FILE = Path(r"C:\\Projects\\ASPOSE\\Pdf.Cloud\\Credentials\\credentials.json")
+    LOCAL_FOLDER = Path(r"C:\Samples")
+    PDF_DOCUMENT_NAME = "sample_file_with_attachment.pdf"
+    ATTACHMENT_PATH = ""
+
+class PdfAttachments:
+    """Class for managing PDF attachments using Aspose PDF Cloud API."""
+    def __init__(self, credentials_file: Path = Config.CREDENTIALS_FILE):
+        self.pdf_api = None
+        self._init_api(credentials_file)
+
+    def _init_api(self, credentials_file: Path):
+        """Initialize the API client."""
+        try:
+            with credentials_file.open("r", encoding="utf-8") as file:
+                credentials = json.load(file)
+                api_key, app_id = credentials.get("key"), credentials.get("id")
+                if not api_key or not app_id:
+                    raise ValueError("init_api(): Error: Missing API keys in the credentials file.")
+                self.pdf_api = PdfApi(ApiClient(api_key, app_id))
+        except (FileNotFoundError, json.JSONDecodeError, ValueError) as e:
+            logging.error(f"init_api(): Failed to load credentials: {e}")
+
+    def upload_document(self):
+        """Upload a PDF document to the Aspose Cloud server."""
+        if self.pdf_api:
+            file_path = Config.LOCAL_FOLDER / Config.PDF_DOCUMENT_NAME
+            try:
+                self.pdf_api.upload_file(Config.PDF_DOCUMENT_NAME, str(file_path))
+                logging.info(f"upload_document(): File {Config.PDF_DOCUMENT_NAME} uploaded successfully.")
+            except Exception as e:
+                logging.error(f"upload_document(): Failed to upload file: {e}")
+
+    def get_attachments(self):
+        """Get attachments for the PDF document."""
+        if self.pdf_api:
+            try:
+                response : AttachmentsResponse = self.pdf_api.get_document_attachments(Config.PDF_DOCUMENT_NAME)
+                if response.code == 200:
+                    logging.info(f"get_attachmnets(): attachments '{response.attachments}' for the document '{Config.PDF_DOCUMENT_NAME}'.")
+                    Config.ATTACHMENT_PATH = response.attachments.list[0].links[0].href
+                else:
+                    logging.error(f"get_attachmnets(): Failed to get attachments to the document. Response code: {response.code}")
+            except Exception as e:
+                logging.error(f"get_attachmnets(): Error while adding attachment: {e}")
+
+    def get_attachment_by_id(self):
+        """Get attachment by Id for the PDF document and save it to local file."""
+        if self.pdf_api:
+            try:
+                response : AttachmentResponse = self.pdf_api.get_document_attachment_by_index(Config.PDF_DOCUMENT_NAME, Config.ATTACHMENT_PATH)
+                if response.code == 200:
+                    attachment: Attachment = response.attachment
+                    temp_file = self.pdf_api.get_download_document_attachment_by_index(Config.PDF_DOCUMENT_NAME, Config.ATTACHMENT_PATH)
+                    local_path = Config.LOCAL_FOLDER / attachment.name
+                    shutil.copy(temp_file, local_path)
+                    logging.info(f"get_attachment_by_id(): attachment '{local_path}' for the document '{Config.PDF_DOCUMENT_NAME}' successfuly saved.")
+                else:
+                    logging.error(f"get_attachment_by_id(): Failed to get attachment for the document '{Config.PDF_DOCUMENT_NAME}'. Response code: {response.code}")
+            except Exception as e:
+                logging.error(f"get_attachment_by_id(): Error while get attachment: {e}")
+
+
+if __name__ == "__main__":
+    pdf_attachments = PdfAttachments()
+    pdf_attachments.upload_document()
+    pdf_attachments.get_attachments()
+    pdf_attachments.get_attachment_by_id()