113 lines
4.1 KiB
Python
113 lines
4.1 KiB
Python
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import base64
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from urllib.parse import quote
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from werkzeug.exceptions import BadRequest
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from odoo.http import Controller, content_disposition, request, route
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# from https://github.com/monperrus/crawler-user-agents
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SOCIAL_NETWORK_USER_AGENTS = (
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# Facebook
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'Facebot',
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'facebookexternalhit',
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# Twitter
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'Twitterbot',
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# LinkedIn
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'LinkedInBot',
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# Whatsapp
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'WhatsApp',
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# Pinterest
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'Pinterest',
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'Pinterestbot',
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)
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def _is_crawler(request):
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"""Returns True if the request is made by a social network crawler."""
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return any(
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short_crawler_name in request.httprequest.user_agent.string
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for short_crawler_name in SOCIAL_NETWORK_USER_AGENTS
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)
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def _get_card_from_url(card_id, card_slug):
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"""Helper to support both legacy card id url and new slug urls"""
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if card_slug:
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card_id = request.env['ir.http']._unslug(card_slug)[1]
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if not card_id:
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raise request.not_found()
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card = request.env['card.card'].browse(card_id).exists()
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if not card:
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raise BadRequest()
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return card
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class MarketingCardController(Controller):
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@route([
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'/cards/<string:card_slug>/card.jpg',
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'/cards/<int:card_id>/card.jpg',
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], type='http', auth='public', sitemap=False, website=True)
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def card_campaign_image(self, card_id=None, card_slug=None):
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card = _get_card_from_url(card_id, card_slug)
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if _is_crawler(request) and card.share_status != 'shared':
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card.sudo().share_status = 'shared'
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if not card.image:
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raise request.not_found()
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image_bytes = base64.b64decode(card.image)
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return request.make_response(image_bytes, [
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('Content-Type', ' image/jpeg'),
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('Content-Length', len(image_bytes)),
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('Content-Disposition', content_disposition('card.jpg')),
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])
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@route([
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'/cards/<string:card_slug>/preview',
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'/cards/<int:card_id>/preview',
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], type='http', auth='public', sitemap=False, website=True)
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def card_campaign_preview(self, card_id=None, card_slug=None):
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"""Route for users to preview their card and share it on their social platforms."""
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card = _get_card_from_url(card_id, card_slug)
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if not card.share_status:
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card.sudo().share_status = 'visited'
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campaign_sudo = card.sudo().campaign_id
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return request.render('marketing_card.card_campaign_preview', {
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'card': card,
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'campaign': campaign_sudo,
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'quote': quote,
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})
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@route([
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'/cards/<string:card_slug>/redirect',
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'/cards/<int:card_id>/redirect',
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], type='http', auth='public', sitemap=False, website=True)
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def card_campaign_redirect(self, card_id=None, card_slug=None):
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"""Route to redirect users to the target url, or display the opengraph embed text for web crawlers.
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When a user posts a link on an application supporting opengraph, the application will follow
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the link to fetch specific meta tags on the web page to get preview information such as a preview card.
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The "crawler" performing that action usually has a specific user agent.
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As we cannot necessarily control the target url of the campaign we must return a different
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result when a social network crawler is visiting the URL to get preview information.
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From the perspective of the crawler, this url is an empty page with opengraph tags.
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For all other user agents, it's a simple redirection url.
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Keeping an up-to-date list of user agents for each supported target website is imperative
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for this app to work.
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"""
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card = _get_card_from_url(card_id, card_slug)
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campaign_sudo = card.sudo().campaign_id
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redirect_url = campaign_sudo.link_tracker_id.short_url or campaign_sudo.target_url or campaign_sudo.get_base_url()
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if _is_crawler(request):
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return request.render('marketing_card.card_campaign_crawler', {
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'image_url': card._get_card_url(),
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'post_text': campaign_sudo.post_suggestion,
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'target_name': card.display_name or '',
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})
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return request.redirect(redirect_url)
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