Implement getting users public info

main.py

@@ -134,6 +134,34 @@ def getuserIDByAuthToken(authToken: Annotated[str | None, Header()] = None):
         print(msg)
         return {"success": False, "authToken": None, "message": msg}
 
+@app.get("/api/publicInfo/{userID}")
+def getpublicInfo(userID: int):
+    try:
+        if userHandler.checkIDExistence(dbConnection, userID):
+            return {
+                "success": True,
+                "username": userHandler.getUserInfoByID(dbConnection, userID, "username"),
+                "firstName": userHandler.getUserInfoByID(dbConnection, userID, "firstname"),
+                "lastName": userHandler.getUserInfoByID(dbConnection, userID, "lastname"),
+                "message": "Get public info succeeded!"
+            }
+        else:
+            return {
+                "success": False,
+                "username": None,
+                "firstName": None,
+                "lastName": None,
+                "message": "Get public info failed! UserID provided does not exist."
+            }
+    except Exception as error:
+        return {
+            "success": False,
+            "username": None,
+            "firstName": None,
+            "lastName": None,
+            "message": "Get public info failed! Unexpected server error. " + repr(error)
+        }
+
 
 # GET
 # /api/userByAuthToken

userHandler.py

@@ -17,6 +17,9 @@ def createUser(dbConnection: psycopg2.extensions.connection, username: str, firs
                         ['username', 'firstname', 'lastname', 'description', 'country', 'theme', 'accentcolor', 'passwordhash'],
                         [username,   firstName,   lastName,   description,   country,   theme,   accentColor,   securityHandler.hashPassword(password)])
 
+def checkIDExistence(dbConnection: psycopg2.extensions.connection, userID: int) -> bool:
+    return dbHandler.checkFieldValueExistence(dbConnection, "users", "id", userID)
+
 def checkUserExistence(dbConnection: psycopg2.extensions.connection, username: str) -> bool:
     return dbHandler.checkFieldValueExistence(dbConnection, "users", "username", username)
 
@@ -32,6 +35,10 @@ def getIDByUsername(dbConnection: psycopg2.extensions.connection, username: str)
     )
     return int(dbHandler._execQuery(dbConnection, sanitisedQuery)[0][0])
 
+def getUserInfoByID(dbConnection: psycopg2.extensions.connection, userID: int, userField: str) -> str:
+    debugPrint("Attempting to get " + userField + " of userID " + str(userID) + "...")
+    return str(dbHandler.getFieldValueByID(dbConnection, "users", userID, userField))
+
 def getIDByAuthToken(dbConnection: psycopg2.extensions.connection, authToken: str) -> int:
     debugPrint("Attempting to get ID from authToken...")
     sanitisedQuery = sql.SQL("""