minor and major reworks: rename swb to SRU, add a test for pdf parsing

major: rework mail to send mail as plaintext instead of html, preventing the bleed-in of html text

src/logic/xmlparser.py

@@ -0,0 +1,67 @@
+import xml.etree.ElementTree as ET
+
+from src.logic.dataclass import Apparat, BookData, SemapDocument, XMLMailSubmission
+from src.logic.semester import Semester
+
+
+def parse_xml_submission(xml_string: str) -> XMLMailSubmission:
+    """
+    Parse an XML string representing a mail submission and return an XMLMailSubmission object.
+    """
+    submission = XMLMailSubmission()
+    root = ET.fromstring(xml_string)
+    static_data = root.find("static")
+    static_info = {child.tag: child.text for child in static_data}
+    books = root.find("books")
+    books_info = []
+    for book in books:
+        book_details = {detail.tag: detail.text for detail in book}
+        book = BookData(
+            author=book_details.get("authorname"),
+            year=book_details.get("year").split("/")[0]
+            if "/" in book_details.get("year")
+            else book_details.get("year"),
+            edition=book_details.get("year").split("/")[1]
+            if "/" in book_details.get("year")
+            else None,
+            title=book_details.get("title"),
+            signature=book_details.get("signature"),
+        )
+        books_info.append(book)
+    # Extract static data
+    submission.name = static_info.get("name")
+    submission.lastname = static_info.get("lastname")
+    submission.title = static_info.get("title")
+    submission.telno = int(static_info.get("telno"))
+    submission.email = static_info.get("mail")
+    submission.app_name = static_info.get("apparatsname")
+    submission.subject = static_info.get("subject")
+    sem_year = static_info.get("semester").split()[1]
+    sem_term = static_info.get("semester").split()[0]
+    submission.semester = Semester(semester=sem_term, year=int(sem_year))
+    submission.books = books_info
+    # Extract book information
+    # book_info = []
+    # for book in books:
+    #     book_details = {detail.tag: detail.text for detail in book}
+    #     book_info.append(book_details)
+    return submission
+
+
+def eml_parser(path: str) -> XMLMailSubmission:
+    with open(path, "r", encoding="utf-8") as file:
+        xml_content = file.read().split("\n\n", 1)[1]  # Skip headers
+    print("EML content loaded, parsing XML...")
+    print(xml_content)
+    return parse_xml_submission(xml_content)
+
+
+def eml_to_semap(path: str) -> SemapDocument:
+    submission = eml_parser(path)
+    semap_doc = SemapDocument(
+        # prof=Prof(name=submission.name, lastname=submission.lastname, email=submission.email),
+        apparat=Apparat(name=submission.app_name, subject=submission.subject),
+        semester=submission.semester,
+        books=submission.books,
+    )
+    return semap_doc