put trace in a result file

main.py

@@ -5,6 +5,8 @@ from pathlib import Path
 import requests
 from dotenv import load_dotenv
 from pdfminer.high_level import extract_text
+from pdfminer.pdfdocument import PDFDocument
+from pdfminer.pdfparser import PDFParser
 
 from config import (
     MENU_CRECHE_PDF_URL,
@@ -16,51 +18,16 @@ from config import (
 from menus import Menus, MenuMessageFormatter
 from message_sender import SignalMessager
 from pdf_downloader import download
+from result_file import ResultFile
 
 load_dotenv()
 
-def send_signal_message(
-    days: list[str], menu: dict[str, dict[str, str]], menu_pdf_file: Path
-) -> None:
-    headers = {"Content-Type": "application/json"}
-    message = f"""
-**Menu de la crèche** (message automatique)
 
-Menu {MENU_TYPE}:
-
-{days[0].upper()}:
-*Midi*: {menu[days[0]]["midi"]}
-*Goûter*: {menu[days[0]]["gouter"]}
-
-{days[1].upper()}:
-*Midi*: {menu[days[1]]["midi"]}
-*Goûter*: {menu[days[1]]["gouter"]}
-
-{days[2].upper()}:
-*Midi*: {menu[days[2]]["midi"]}
-*Goûter*: {menu[days[2]]["gouter"]}
-
-{days[3].upper()}:
-*Midi*: {menu[days[3]]["midi"]}
-*Goûter*: {menu[days[3]]["gouter"]}
-
-{days[4].upper()}:
-*Midi*: {menu[days[4]]["midi"]}
-*Goûter*: {menu[days[4]]["gouter"]}
-"""
-    text_mode = "styled"
-    attachment = base64.b64encode(menu_pdf_file.read_bytes())
-    body = {
-        "message": message,
-        "text_mode": text_mode,
-        "number": SIGNAL_SENDER,
-        "recipients": SIGNAL_RECIPIENTS,
-        "base64_attachments": [
-            f"data:application/pdf;filename=menu.pdf;base64,{attachment.decode()}"
-        ],
-    }
-
-    requests.post(SIGNAL_API_URL, headers=headers, json=body)
+def read_pdf_metadata(pdf_file: Path):
+    fp = open(pdf_file, "rb")
+    parser = PDFParser(fp)
+    doc = PDFDocument(parser)
+    return doc.info
 
 
 def main():
@@ -68,12 +35,22 @@ def main():
 
     menus = Menus(menu_pdf_file)
 
+    pdf_metadata = read_pdf_metadata(menu_pdf_file)
+    creation_date = pdf_metadata[0]["CreationDate"].decode("utf-8").removeprefix("D:")
+    modification_date = pdf_metadata[0]["ModDate"].decode("utf-8").removeprefix("D:")
+
+    result_file = ResultFile(Path.home() / ".cache" / "menu_creche.txt")
+    if result_file.was_already_sent(creation_date, modification_date, MENU_TYPE):
+        return
+
     message_formatter = MenuMessageFormatter()
     message = message_formatter.create_message(menus, MENU_TYPE)
 
     signal_messager = SignalMessager(SIGNAL_API_URL, SIGNAL_SENDER)
     signal_messager.send_message(message, menu_pdf_file, SIGNAL_RECIPIENTS)
 
+    result_file.write(creation_date, modification_date, MENU_TYPE)
+
 
 if __name__ == "__main__":
     main()