app.py

import base64
import hashlib
import requests
import os
import streamlit as st

BOOKSHINE_HOST = 'https://api.bookshine.at'
BOOKSHINE_PORT = '4690'
PASSWORDS = [p.lower() for p in os.environ.get("PASSWORDS", "").split(",")]

PITCH_EMBED = """<iframe src="https://pitch.com/embed/38e99a83-1de6-4866-a515-dd3954c473e5" allow="fullscreen" allowfullscreen="" width="560" height="368" style="border:0"></iframe>"""

def password_is_correct(password):
    return password.lower() in PASSWORDS

def process_docx(uploaded_file):
    # Read and encode file contents
    encoded_file = base64.b64encode(uploaded_file.read()).decode('utf-8')

    payload = {
        "filename": uploaded_file.name,
        "attachment_b64": encoded_file,
        "include_diff": True,
        "include_docx": True,
        "include_commas": True,
        "is_demo": False,
    }

    response = requests.post(f'{BOOKSHINE_HOST}:{BOOKSHINE_PORT}/process_md', json=payload)

    # Decode response and create download link
    if response.ok:
        response = response.json()

        # make corrected docx available for download
        decoded_file = base64.b64decode(response['docx'])
        out_name = uploaded_file.name.replace('.docx', '-bookshine.docx')
        st.download_button('✅ Korrigierten Umbruch herunterladen', data=decoded_file, file_name=out_name)

        # show diff
        diff = response["diff"].replace("&para;", "&nbsp;")
        diff = diff.replace("<ins>", "<ins style='background-color: #c8e6c9; text-decoration: underline;'>")
        st.write(diff, unsafe_allow_html=True)
    else:
        st.error('Es ist ein Fehler aufgetreten')
        return


def process_pdf(uploaded_file):
    # Read and encode file contents
    encoded_file = base64.b64encode(uploaded_file.read()).decode('utf-8')

    # md5 encode file contents
    md5 = hashlib.md5(encoded_file.encode()).hexdigest()

    payload = {
        "attachment_id": md5,
        "attachment_b64": encoded_file,
    }

    response = requests.post(f'{BOOKSHINE_HOST}:{BOOKSHINE_PORT}/process_umbruch', json=payload)

    # Decode response and create download link
    if response.ok:
        response = response.json()
        # trennungen = [a for a in response["annotations"] if a["type"] == "TRENNUNG"]
        b64 = response['annotated']
        decoded_file = base64.b64decode(b64)
        out_name = uploaded_file.name.replace('.pdf', '-bookshine.pdf')
        st.download_button('✅ Report herunterladen', data=decoded_file, file_name=out_name)

        # show pdf
        pdf_display = f'<iframe src="data:application/pdf;base64,{b64}" width="800" height="800" type="application/pdf"></iframe>'
        st.write(pdf_display, unsafe_allow_html=True)
    else:
        st.error('Es ist ein Fehler aufgetreten')


def main():
    st.write("<div><span style='margin-left: 250px; font-size: 5em; color: black;'>❧</span>&nbsp;</div>", unsafe_allow_html=True)

    st.write(PITCH_EMBED, unsafe_allow_html=True)

    st.markdown("<br/>", unsafe_allow_html=True)

    st.subheader('Überzeugen Sie sich selbst')

    if "in_progress" not in st.session_state:
        st.session_state.in_progress = False

    # st.write("Bitte geben Sie die E-Mail-Adresse an, an die Sie die Resultate geschickt haben wollen.")

    uploaded_file = st.file_uploader('Manuskript (.docx) oder Umbruch (.pdf) hochladen', type=['docx', 'pdf'], accept_multiple_files=False)

    if not uploaded_file:
        return

    password = st.text_input("Zugriffscode").lower()

    process_button_name = "✨ Manuskript korrigieren"
    if uploaded_file.name.endswith('.pdf'):
        process_button_name = "✨ Umbruch prüfen"

    def set_in_progress():
        st.session_state.in_progress = True

    # API request button
    if st.button(process_button_name, on_click=set_in_progress, disabled=not password_is_correct(password) or st.session_state.in_progress):
        with st.spinner('Datei wird verarbeitet …'):
            if uploaded_file.name.endswith('.docx'):
                process_docx(uploaded_file)
            elif uploaded_file.name.endswith('.pdf'):
                process_pdf(uploaded_file)
            else:
                st.warning('Bitte laden Sie eine Datei des Typs .docx oder .pdf hoch.')
        st.session_state.in_progress = False

    if not password_is_correct(password):
        st.error('**Zugriffscode ist falsch.** Wenn Sie Bookshine testen wollen, aber keinen Zugriffscode haben, schreiben Sie einfach eine formlose E-Mail an alexander.seifert@gmail.com mit dem Betreff `Bookshine Zugriffscode`.')

if __name__ == '__main__':
    main()