inventree / InvenTree / 8604849533

"""Template tag to render SPA imports."""

import json

from logging import getLogger

from pathlib import Path

from typing import Union

from django import template

from django.conf import settings

from django.utils.safestring import mark_safe

logger = getLogger('InvenTree')

register = template.Library()

FRONTEND_SETTINGS = json.dumps(settings.FRONTEND_SETTINGS)

@register.simple_tag

def spa_bundle(manifest_path: Union[str, Path] = '', app: str = 'web'):

    """Render SPA bundle."""

        """Get static url for file."""

        return f'{settings.STATIC_URL}{app}/{file}'

    if manifest_path == '':

        manifest = Path(__file__).parent.parent.joinpath(

            'static/web/.vite/manifest.json'

        )

    else:

        manifest = Path(manifest_path)

    if not manifest.exists():

        # Try old path for manifest file

        manifest = Path(__file__).parent.parent.joinpath('static/web/manifest.json')

        # Final check - fail if manifest file not found

        if not manifest.exists():

            logger.error('Manifest file not found')

            return

    try:

        manifest_data = json.load(manifest.open())

    except (TypeError, json.decoder.JSONDecodeError):

        logger.exception('Failed to parse manifest file')

        return

    return_string = ''

    # JS (based on index.html file as entrypoint)

    index = manifest_data.get('index.html')

    dynamic_files = index.get('dynamicImports', [])

    imports_files = ''.join([

        f'<script type="module" src="{get_url(manifest_data[file]["file"])}"></script>'

        for file in dynamic_files

    ])

    return_string += (

        f'<script type="module" src="{get_url(index["file"])}"></script>{imports_files}'

    )

    return mark_safe(return_string)

@register.simple_tag

def spa_settings():

    """Render settings for spa."""

    return mark_safe(

        f"""<script>window.INVENTREE_SETTINGS={FRONTEND_SETTINGS}</script>"""

    )