diff --git a/src/backend/database.py b/src/backend/database.py
index eb5c31a..2148b31 100644
--- a/src/backend/database.py
+++ b/src/backend/database.py
@@ -12,7 +12,7 @@ from typing import Any, List, Optional, Tuple, Union
 
 import loguru
 
-from src import LOG_DIR, settings, DATABASE_DIR
+from src import DATABASE_DIR, LOG_DIR, settings
 from src.backend.db import (
     CREATE_ELSA_FILES_TABLE,
     CREATE_ELSA_MEDIA_TABLE,
@@ -38,7 +38,6 @@ log.add(sys.stdout, level="INFO")
 log.add(f"{LOG_DIR}/application.log", rotation="1 MB", retention="10 days")
 
 
-
 ascii_lowercase = lower + digits + punctuation
 
 
@@ -201,12 +200,12 @@ class Database:
         logs_query = query
 
         logs_args = args
-        if "fileblob" in query:
-            # set fileblob arg in logger to "too long"
-            logs_query = query
-            fileblob_location = query.find("fileblob")
-            # remove fileblob from query
-            logs_query = query[:fileblob_location] + "fileblob = too long"
+        # if "fileblob" in query:
+        #     # set fileblob arg in logger to "too long"
+        #     logs_query = query
+        #     fileblob_location = query.find("fileblob")
+        #     # remove fileblob from query
+        #     logs_query = query[:fileblob_location] + "fileblob = too long"
 
         log_message = f"Querying database with query {logs_query}, args: {logs_args}"
         # if "INSERT" in query:
@@ -435,6 +434,7 @@ class Database:
             deleted (int, optional): The state of the book. Set to 1 to include deleted ones. Defaults to 0.
 
         Returns:
+
             list[dict[int, BookData, int]]: A list of dictionaries containing the id, the metadata of the book and the availability of the book
         """
         qdata = self.query_db(
@@ -525,11 +525,12 @@ class Database:
             str: The filename of the recreated file
         """
         blob = self.getBlob(filename, app_id)
+        log.debug(blob)
         tempdir = settings.database.temp.expanduser()
         if not tempdir.exists():
             tempdir.mkdir(parents=True, exist_ok=True)
         file = tempfile.NamedTemporaryFile(
-            delete=False, dir=tempdir_path, mode="wb", suffix=f".{filetype}"
+            delete=False, dir=tempdir, mode="wb", suffix=f".{filetype}"
         )
         file.write(blob)
         # log.debug("file created")
@@ -701,6 +702,20 @@ class Database:
         else:
             return prof[0]
 
+    def getProfMailById(self, prof_id: Union[str, int]) -> str:
+        """get the mail of a professor based on the id
+
+        Args:
+            prof_id (Union[str,int]): the id of the professor
+
+        Returns:
+            str: the mail of the professor
+        """
+        mail = self.query_db("SELECT mail FROM prof WHERE id=?", (prof_id,), one=True)[
+            0
+        ]
+        return mail if mail is not None else ""
+
     def getTitleById(self, prof_id: Union[str, int]) -> str:
         """get the title of a professor based on the id
 
@@ -1701,4 +1716,4 @@ class Database:
         cursor.execute(query, args)
         result = cursor.fetchone()
         connection.close()
-        return result
\ No newline at end of file
+        return result