lecturer.py

def add_question_answers(username):
    try:
        questions_and_answers = []
        print("Subjects:")
        with open("texts/topics.txt", "r") as file:
            subjects = set()
            topics = {}
            for line in file:
                topic, subject = line.strip().split("@")
                if subject not in subjects:
                    subjects.add(subject)
                    topics[subject] = [topic]
                else:
                    topics[subject].append(topic)
        print("Available subjects:")
        for i, subject in enumerate(sorted(list(subjects)), 1):
            print(f"{i}. {subject}")
        subject_index = int(input("Select a subject (enter the number): ")) - 1
        selected_subject = sorted(list(subjects))[subject_index]
        print(f"Topics for {selected_subject}:")
        for i, topic in enumerate(topics[selected_subject], 1):
            print(f"{i}. {topic}")
        topic_index = int(input("Select a topic (enter the number): ")) - 1
        selected_topic = topics[selected_subject][topic_index]
        while True:
            section = input(
                "Select a section (A for multiple choice, B for subjective): "
            ).upper()
            if section == "A":
                question = input("Enter a question: ")
                answer = input("Enter the correct answer: ")
                option1 = input("Enter option 1: ")
                option2 = input("Enter option 2: ")
                option3 = input("Enter option 3: ")
                option4 = input("Enter option 4: ")
                questions_and_answers.append(
                    (
                        f"{selected_topic}@{selected_subject}, Section_A, {question}, {answer}, {option1}, {option2}, {option3}, {option4}"
                    )
                )
            elif section == "B":
                question = input("Enter a question: ")
                answer = input("Enter the answer: ")
                questions_and_answers.append(
                    (f"{selected_topic}@{selected_subject}, Section_B, {question}, {answer}")
                )
            else:
                print("Invalid section. Please try again.")
                continue
            print("Question and answer have been recorded successfully!")
            add_another = input("Do you want to add another question and answer? (y/n): ")
            if add_another.lower() == "n":
                break
        with open("texts/questions.txt", "a") as file:
            for question in questions_and_answers:
                file.write(question + "\n")
        return True
    except:
        return False


def edit_question_answers(username):
    try:
        questions_and_answers = []
        with open("texts/questions.txt", "r") as file:
            for line in file:
                line = line.strip()
                parts = line.split(", ")
                topic_subject = parts[0]
                section = parts[1]
                question = parts[2]
                if section == "Section_A":
                    answer = parts[3]
                    options = parts[4:]
                    questions_and_answers.append(
                        (topic_subject, section, question, answer, options)
                    )
                elif section == "Section_B":
                    answer = parts[3]
                    questions_and_answers.append((topic_subject, section, question, answer))
        print("Available questions:")
        for i, (topic_subject, section, question, *args) in enumerate(
            questions_and_answers, 1
        ):
            print(f"{i}. {topic_subject} - {question}")
        question_index = int(input("Select a question to edit (enter the number): ")) - 1
        topic_subject, section, question, *args = questions_and_answers[question_index]
        if section == "Section_A":
            answer, options = args
            print(f"Current question: {question}")
            print(f"Current answer: {answer}")
            print("Current options:")
            for i, option in enumerate(options, 1):
                print(f"{i}. {option}")
            new_question = input("Enter a new question (or press enter to keep the same): ")
            if new_question:
                question = new_question
            new_answer = input("Enter a new answer (or press enter to keep the same): ")
            if new_answer:
                answer = new_answer
            for i in range(4):
                new_option = input(
                    f"Enter a new option {i+1} (or press enter to keep the same): "
                )
                if new_option:
                    options[i] = new_option
            questions_and_answers[question_index] = (
                topic_subject,
                section,
                question,
                answer,
                options,
            )
        elif section == "Section_B":
            answer = args[0]
            print(f"Current question: {question}")
            print(f"Current answer: {answer}")
            new_question = input("Enter a new question (or press enter to keep the same): ")
            if new_question:
                question = new_question
            new_answer = input("Enter a new answer (or press enter to keep the same): ")
            if new_answer:
                answer = new_answer
            questions_and_answers[question_index] = (
                topic_subject,
                section,
                question,
                answer,
            )
        with open("texts/questions.txt", "w") as file:
            for topic_subject, section, question, *args in questions_and_answers:
                if section == "Section_A":
                    answer, options = args
                    file.write(
                        f"{topic_subject}, {section}, {question}, {answer}, {', '.join(options)}\n"
                    )
                elif section == "Section_B":
                    answer = args[0]
                    file.write(f"{topic_subject}, {section}, {question}, {answer}\n")
        print("Questions and answers recorded successfully!")
        return True
    except:
        return False


def view_question_answers(username):
    try:
        questions_and_answers = {}
        with open("texts/questions.txt", "r") as file:
            for line in file:
                line = line.strip()
                parts = line.split(", ")
                topic_subject = parts[0]
                section = parts[1]
                question = parts[2]
                if section == "Section_A":
                    answer = parts[3]
                    options = parts[4:]
                    if topic_subject not in questions_and_answers:
                        questions_and_answers[topic_subject] = [
                            (section, question, answer, options)
                        ]
                    else:
                        questions_and_answers[topic_subject].append(
                            (section, question, answer, options)
                        )
                elif section == "Section_B":
                    answer = parts[3]
                    if topic_subject not in questions_and_answers:
                        questions_and_answers[topic_subject] = [(section, question, answer)]
                    else:
                        questions_and_answers[topic_subject].append(
                            (section, question, answer)
                        )
        print("Subjects:")
        with open("texts/topics.txt", "r") as file:
            subjects = set()
            topics = {}
            for line in file:
                topic, subject = line.strip().split("@")
                if subject not in subjects:
                    subjects.add(subject)
                    topics[subject] = [topic]
                else:
                    topics[subject].append(topic)
        while True:
            print("Available subjects:")
            for i, subject in enumerate(sorted(list(subjects)), 1):
                print(f"{i}. {subject}")
            subject_index = input("Select a subject (enter the number), or 'q' to quit: ")
            if subject_index.lower() == "q":
                break
            try:
                subject_index = int(subject_index) - 1
                selected_subject = sorted(list(subjects))[subject_index]
            except (ValueError, IndexError):
                print("Invalid subject index. Please try again.")
                continue
            print(f"Topics for {selected_subject}:")
            for i, topic in enumerate(topics[selected_subject], 1):
                print(f"{i}. {topic}")
            topic_index = input("Select a topic (enter the number), or 'q' to quit: ")
            if topic_index.lower() == "q":
                break
            try:
                topic_index = int(topic_index) - 1
                selected_topic = topics[selected_subject][topic_index]
            except (ValueError, IndexError):
                print("Invalid topic index. Please try again.")
                continue
            if selected_topic + "@" + selected_subject in questions_and_answers:
                print(f"Questions for {selected_topic}:")
                for i, (section, question, *args) in enumerate(
                    questions_and_answers[selected_topic + "@" + selected_subject], 1
                ):
                    if section == "Section_A":
                        answer, options = args
                        print(f"{i}. {question} - {answer} (Options: {', '.join(options)})")
                    elif section == "Section_B":
                        answer = args[0]
                        print(f"{i}. {question} - {answer}")
            else:
                print(f"No questions for {selected_topic}")
    except:
        return False


def delete_question_answers(username):
    try:
        questions_and_answers = {}
        with open("texts/questions.txt", "r") as file:
            for line in file:
                line = line.strip()
                parts = line.split(", ")
                topic_subject = parts[0]
                section = parts[1]
                question = parts[2]
                if section == "Section_A":
                    answer = parts[3]
                    options = parts[4:]
                    if topic_subject not in questions_and_answers:
                        questions_and_answers[topic_subject] = [
                            (section, question, answer, options)
                        ]
                    else:
                        questions_and_answers[topic_subject].append(
                            (section, question, answer, options)
                        )
                elif section == "Section_B":
                    answer = parts[3]
                    if topic_subject not in questions_and_answers:
                        questions_and_answers[topic_subject] = [(section, question, answer)]
                    else:
                        questions_and_answers[topic_subject].append(
                            (section, question, answer)
                        )
        print("Subjects:")
        with open("texts/topics.txt", "r") as file:
            subjects = set()
            topics = {}
            for line in file:
                topic, subject = line.strip().split("@")
                if subject not in subjects:
                    subjects.add(subject)
                    topics[subject] = [topic]
                else:
                    topics[subject].append(topic)
        while True:
            print("Available subjects:")
            for i, subject in enumerate(sorted(list(subjects)), 1):
                print(f"{i}. {subject}")
            subject_index = input("Select a subject (enter the number), or 'q' to quit: ")
            if subject_index.lower() == "q":
                break
            try:
                subject_index = int(subject_index) - 1
                selected_subject = sorted(list(subjects))[subject_index]
            except (ValueError, IndexError):
                print("Invalid subject index. Please try again.")
                continue
            print(f"Topics for {selected_subject}:")
            for i, topic in enumerate(topics[selected_subject], 1):
                print(f"{i}. {topic}")
            topic_index = input("Select a topic (enter the number), or 'q' to quit: ")
            if topic_index.lower() == "q":
                break
            try:
                topic_index = int(topic_index) - 1
                selected_topic = topics[selected_subject][topic_index]
            except (ValueError, IndexError):
                print("Invalid topic index. Please try again.")
                continue
            if selected_topic + "@" + selected_subject in questions_and_answers:
                print(f"Questions for {selected_topic}:")
                for i, (section, question, *args) in enumerate(
                    questions_and_answers[selected_topic + "@" + selected_subject], 1
                ):
                    if section == "Section_A":
                        answer, options = args
                        print(f"{i}. {question} - {answer} (Options: {', '.join(options)})")
                    elif section == "Section_B":
                        answer = args[0]
                        print(f"{i}. {question} - {answer}")
                while True:
                    delete_index = input(
                        "Select a question to delete (enter the number), or 'q' to quit: "
                    )
                    if delete_index.lower() == "q":
                        break
                    try:
                        delete_index = int(delete_index) - 1
                        section_to_delete, question_to_delete, *args_to_delete = (
                            questions_and_answers[
                                selected_topic + "@" + selected_subject
                            ].pop(delete_index)
                        )
                        if section_to_delete == "Section_A":
                            answer_to_delete, options_to_delete = args_to_delete
                            print(
                                f"Deleted question: {question_to_delete} - {answer_to_delete} (Options: {', '.join(options_to_delete)})"
                            )
                        elif section_to_delete == "Section_B":
                            answer_to_delete = args_to_delete[0]
                            print(
                                f"Deleted question: {question_to_delete} - {answer_to_delete}"
                            )
                    except (ValueError, IndexError):
                        print("Invalid question index. Please try again.")
                        continue
                with open("texts/questions.txt", "w") as file:
                    for topic, questions in questions_and_answers.items():
                        for section, question, *args in questions:
                            if section == "Section_A":
                                answer, options = args
                                file.write(
                                    f"{topic}, {section}, {question}, {answer}, {', '.join(options)}\n"
                                )
                            elif section == "Section_B":
                                answer = args[0]
                                file.write(f"{topic}, {section}, {question}, {answer}\n")
                print("Questions updated successfully.")
            else:
                print(f"No questions for {selected_topic}")
    except:
        return False