updated error catching

Author: DrisDary

samples/web-app-sql-database/python/src/app.py

@@ -52,8 +52,10 @@ def read_activities_from_db(username: str | None = None) -> List[Tuple[str, str]
             activity_list = activities_helper.read_activities(username)
             for activity in activity_list:
                 result.append((activity["id"], activity["activity"]))
+    except (ConnectionError, ValueError, KeyError) as e:
+        logger.error("Expected error reading activities: %s", e)
     except Exception as e:
-        logger.error("Error reading activities: %s", e)
+        logger.error("Unexpected system error reading activities: %s", e)
     return result
 
 @app.route('/', methods=['GET', 'POST'])
@@ -88,8 +90,10 @@ def index():
                         # Append the activity to the in-memory list
                         activities.append((inserted_activity["id"], inserted_activity["activity"]))
                         logger.info(f"Activity created: {inserted_activity['id']}")
+            except (ConnectionError, ValueError) as e:
+                logger.error("Expected error creating/updating activity: %s", e)
             except Exception as e:
-                logger.error("Error creating/updating activity: %s", e)
+                logger.error("Unexpected system error creating/updating activity: %s", e)
 
         return redirect(url_for('index'))
 
@@ -117,8 +121,10 @@ def delete(activity_id: int):
                 logger.info(f"Activity deleted: {db_activity_id}")
             else:
                 logger.warning(f"No activity found with ID: {db_activity_id}")
+    except (ConnectionError, ValueError) as e:
+        logger.error("Expected error deleting activity: %s", e)
     except Exception as e:
-        logger.error("Error deleting activity: %s", e)
+        logger.error("Unexpected system error deleting activity: %s", e)
 
     return redirect(url_for('index'))
 
@@ -132,7 +138,9 @@ def update(activity_id: int):
             # Redirect to index with edit parameters
             return redirect(url_for('index', edit_id=db_activity_id, edit_activity=activity_text))
     except (ConnectionError, ValueError) as e:
-        logger.error("Error preparing activity for update: %s", e)
+        logger.error("Expected error preparing activity for update: %s", e)
+    except Exception as e:
+        logger.error("Unexpected system error preparing activity for update: %s", e)
 
     return redirect(url_for('index'))