mirror of https://github.com/zulip/zulip.git
702 lines
28 KiB
Python
702 lines
28 KiB
Python
# See https://zulip.readthedocs.io/en/latest/subsystems/notifications.html
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import re
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from collections import defaultdict
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from datetime import timedelta
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from email.headerregistry import Address
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from typing import Any, Dict, Iterable, List, Optional, Tuple
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import html2text
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import lxml.html
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import pytz
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from bs4 import BeautifulSoup
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from django.conf import settings
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from django.contrib.auth import get_backends
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from django.utils.timezone import now as timezone_now
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from django.utils.translation import override as override_language
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from django.utils.translation import ugettext as _
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from lxml.cssselect import CSSSelector
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from confirmation.models import one_click_unsubscribe_link
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from zerver.decorator import statsd_increment
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from zerver.lib.markdown.fenced_code import FENCE_RE
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from zerver.lib.message import bulk_access_messages
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from zerver.lib.queue import queue_json_publish
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from zerver.lib.send_email import FromAddress, send_future_email
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from zerver.lib.types import DisplayRecipientT
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from zerver.lib.url_encoding import (
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huddle_narrow_url,
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personal_narrow_url,
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stream_narrow_url,
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topic_narrow_url,
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)
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from zerver.models import (
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Message,
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Recipient,
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Stream,
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UserMessage,
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UserProfile,
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get_context_for_message,
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get_display_recipient,
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get_user_profile_by_id,
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receives_offline_email_notifications,
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)
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def relative_to_full_url(base_url: str, content: str) -> str:
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# Convert relative URLs to absolute URLs.
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fragment = lxml.html.fromstring(content)
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# We handle narrow URLs separately because of two reasons:
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# 1: 'lxml' seems to be having an issue in dealing with URLs that begin
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# `#` due to which it doesn't add a `/` before joining the base_url to
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# the relative URL.
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# 2: We also need to update the title attribute in the narrow links which
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# is not possible with `make_links_absolute()`.
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for link_info in fragment.iterlinks():
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elem, attrib, link, pos = link_info
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match = re.match("/?#narrow/", link)
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if match is not None:
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link = re.sub(r"^/?#narrow/", base_url + "/#narrow/", link)
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elem.set(attrib, link)
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# Only manually linked narrow URLs have title attribute set.
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if elem.get("title") is not None:
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elem.set("title", link)
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# Inline images can't be displayed in the emails as the request
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# from the mail server can't be authenticated because it has no
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# user_profile object linked to it. So we scrub the inline image
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# container.
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inline_image_containers = fragment.find_class("message_inline_image")
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for container in inline_image_containers:
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container.drop_tree()
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# The previous block handles most inline images, but for messages
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# where the entire Markdown input was just the URL of an image
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# (i.e. the entire body is a message_inline_image object), the
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# entire message body will be that image element; here, we need a
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# more drastic edit to the content.
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if fragment.get("class") == "message_inline_image":
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image_link = fragment.find("a").get("href")
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image_title = fragment.find("a").get("title")
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fragment = lxml.html.Element("p")
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a = lxml.html.Element("a")
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a.set("href", image_link)
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a.set("target", "_blank")
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a.set("title", image_title)
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a.text = image_link
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fragment.append(a)
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fragment.make_links_absolute(base_url)
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content = lxml.html.tostring(fragment, encoding="unicode")
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return content
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def fix_emojis(content: str, base_url: str, emojiset: str) -> str:
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def make_emoji_img_elem(emoji_span_elem: CSSSelector) -> Dict[str, Any]:
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# Convert the emoji spans to img tags.
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classes = emoji_span_elem.get("class")
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match = re.search(r"emoji-(?P<emoji_code>\S+)", classes)
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# re.search is capable of returning None,
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# but since the parent function should only be called with a valid css element
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# we assert that it does not.
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assert match is not None
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emoji_code = match.group("emoji_code")
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emoji_name = emoji_span_elem.get("title")
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alt_code = emoji_span_elem.text
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image_url = base_url + f"/static/generated/emoji/images-{emojiset}-64/{emoji_code}.png"
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img_elem = lxml.html.fromstring(
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f'<img alt="{alt_code}" src="{image_url}" title="{emoji_name}">'
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)
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img_elem.set("style", "height: 20px;")
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img_elem.tail = emoji_span_elem.tail
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return img_elem
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fragment = lxml.html.fromstring(content)
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for elem in fragment.cssselect("span.emoji"):
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parent = elem.getparent()
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img_elem = make_emoji_img_elem(elem)
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parent.replace(elem, img_elem)
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for realm_emoji in fragment.cssselect(".emoji"):
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del realm_emoji.attrib["class"]
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realm_emoji.set("style", "height: 20px;")
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content = lxml.html.tostring(fragment, encoding="unicode")
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return content
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def fix_spoilers_in_html(content: str, language: str) -> str:
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with override_language(language):
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spoiler_title: str = _("Open Zulip to see the spoiler content")
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fragment = lxml.html.fromstring(content)
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spoilers = fragment.find_class("spoiler-block")
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for spoiler in spoilers:
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header = spoiler.find_class("spoiler-header")[0]
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spoiler_content = spoiler.find_class("spoiler-content")[0]
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header_content = header.find("p")
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if header_content is None:
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# Create a new element to append the spoiler to)
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header_content = lxml.html.fromstring("<p></p>")
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header.append(header_content)
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else:
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# Add a space. Its simpler to append a new span element than
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# inserting text after the last node ends since neither .text
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# and .tail do the right thing for us.
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header_content.append(lxml.html.fromstring("<span> </span>"))
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span_elem = lxml.html.fromstring(
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f'<span class="spoiler-title" title="{spoiler_title}">({spoiler_title})</span'
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)
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header_content.append(span_elem)
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header.drop_tag()
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spoiler_content.drop_tree()
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content = lxml.html.tostring(fragment, encoding="unicode")
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return content
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def fix_spoilers_in_text(content: str, language: str) -> str:
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with override_language(language):
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spoiler_title: str = _("Open Zulip to see the spoiler content")
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lines = content.split("\n")
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output = []
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open_fence = None
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for line in lines:
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m = FENCE_RE.match(line)
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if m:
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fence = m.group("fence")
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lang = m.group("lang")
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if lang == "spoiler":
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open_fence = fence
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output.append(line)
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output.append(f"({spoiler_title})")
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elif fence == open_fence:
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open_fence = None
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output.append(line)
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elif not open_fence:
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output.append(line)
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return "\n".join(output)
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def build_message_list(
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user: UserProfile,
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messages: List[Message],
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stream_map: Dict[int, Stream], # only needs id, name
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) -> List[Dict[str, Any]]:
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"""
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Builds the message list object for the missed message email template.
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The messages are collapsed into per-recipient and per-sender blocks, like
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our web interface
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"""
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messages_to_render: List[Dict[str, Any]] = []
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def sender_string(message: Message) -> str:
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if message.recipient.type in (Recipient.STREAM, Recipient.HUDDLE):
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return message.sender.full_name
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else:
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return ""
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def fix_plaintext_image_urls(content: str) -> str:
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# Replace image URLs in plaintext content of the form
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# [image name](image url)
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# with a simple hyperlink.
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return re.sub(r"\[(\S*)\]\((\S*)\)", r"\2", content)
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def append_sender_to_message(
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message_plain: str, message_html: str, sender: str
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) -> Tuple[str, str]:
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message_plain = f"{sender}: {message_plain}"
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message_soup = BeautifulSoup(message_html, "html.parser")
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sender_name_soup = BeautifulSoup(f"<b>{sender}</b>: ", "html.parser")
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first_tag = message_soup.find()
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if first_tag.name == "p":
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first_tag.insert(0, sender_name_soup)
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else:
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message_soup.insert(0, sender_name_soup)
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return message_plain, str(message_soup)
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def build_message_payload(message: Message, sender: Optional[str] = None) -> Dict[str, str]:
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plain = message.content
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plain = fix_plaintext_image_urls(plain)
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# There's a small chance of colliding with non-Zulip URLs containing
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# "/user_uploads/", but we don't have much information about the
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# structure of the URL to leverage. We can't use `relative_to_full_url()`
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# function here because it uses a stricter regex which will not work for
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# plain text.
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plain = re.sub(r"/user_uploads/(\S*)", user.realm.uri + r"/user_uploads/\1", plain)
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plain = fix_spoilers_in_text(plain, user.default_language)
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assert message.rendered_content is not None
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html = message.rendered_content
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html = relative_to_full_url(user.realm.uri, html)
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html = fix_emojis(html, user.realm.uri, user.emojiset)
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html = fix_spoilers_in_html(html, user.default_language)
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if sender:
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plain, html = append_sender_to_message(plain, html, sender)
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return {"plain": plain, "html": html}
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def build_sender_payload(message: Message) -> Dict[str, Any]:
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sender = sender_string(message)
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return {"sender": sender, "content": [build_message_payload(message, sender)]}
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def message_header(message: Message) -> Dict[str, Any]:
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if message.recipient.type == Recipient.PERSONAL:
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narrow_link = get_narrow_url(user, message)
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header = f"You and {message.sender.full_name}"
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header_html = f"<a style='color: #ffffff;' href='{narrow_link}'>{header}</a>"
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elif message.recipient.type == Recipient.HUDDLE:
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display_recipient = get_display_recipient(message.recipient)
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assert not isinstance(display_recipient, str)
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narrow_link = get_narrow_url(user, message, display_recipient=display_recipient)
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other_recipients = [r["full_name"] for r in display_recipient if r["id"] != user.id]
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header = "You and {}".format(", ".join(other_recipients))
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header_html = f"<a style='color: #ffffff;' href='{narrow_link}'>{header}</a>"
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else:
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stream_id = message.recipient.type_id
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stream = stream_map.get(stream_id, None)
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if stream is None:
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# Some of our callers don't populate stream_map, so
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# we just populate the stream from the database.
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stream = Stream.objects.only("id", "name").get(id=stream_id)
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narrow_link = get_narrow_url(user, message, stream=stream)
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header = f"{stream.name} > {message.topic_name()}"
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stream_link = stream_narrow_url(user.realm, stream)
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header_html = f"<a href='{stream_link}'>{stream.name}</a> > <a href='{narrow_link}'>{message.topic_name()}</a>"
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return {
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"plain": header,
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"html": header_html,
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"stream_message": message.recipient.type_name() == "stream",
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}
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# # Collapse message list to
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# [
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# {
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# "header": {
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# "plain":"header",
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# "html":"htmlheader"
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# }
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# "senders":[
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# {
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# "sender":"sender_name",
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# "content":[
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# {
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# "plain":"content",
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# "html":"htmlcontent"
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# }
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# {
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# "plain":"content",
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# "html":"htmlcontent"
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# }
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# ]
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# }
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# ]
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# },
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# ]
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messages.sort(key=lambda message: message.date_sent)
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for message in messages:
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header = message_header(message)
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# If we want to collapse into the previous recipient block
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if len(messages_to_render) > 0 and messages_to_render[-1]["header"] == header:
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sender = sender_string(message)
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sender_block = messages_to_render[-1]["senders"]
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# Same message sender, collapse again
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if sender_block[-1]["sender"] == sender:
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sender_block[-1]["content"].append(build_message_payload(message))
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else:
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# Start a new sender block
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sender_block.append(build_sender_payload(message))
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else:
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# New recipient and sender block
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recipient_block = {"header": header, "senders": [build_sender_payload(message)]}
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messages_to_render.append(recipient_block)
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return messages_to_render
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def get_narrow_url(
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user_profile: UserProfile,
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message: Message,
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display_recipient: Optional[DisplayRecipientT] = None,
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stream: Optional[Stream] = None,
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) -> str:
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"""The display_recipient and stream arguments are optional. If not
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provided, we'll compute them from the message; they exist as a
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performance optimization for cases where the caller needs those
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data too.
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"""
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if message.recipient.type == Recipient.PERSONAL:
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assert stream is None
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assert display_recipient is None
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return personal_narrow_url(
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realm=user_profile.realm,
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sender=message.sender,
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)
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elif message.recipient.type == Recipient.HUDDLE:
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assert stream is None
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if display_recipient is None:
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display_recipient = get_display_recipient(message.recipient)
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assert display_recipient is not None
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assert not isinstance(display_recipient, str)
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other_user_ids = [r["id"] for r in display_recipient if r["id"] != user_profile.id]
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return huddle_narrow_url(
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realm=user_profile.realm,
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other_user_ids=other_user_ids,
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)
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else:
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assert display_recipient is None
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if stream is None:
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stream = Stream.objects.only("id", "name").get(id=message.recipient.type_id)
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return topic_narrow_url(user_profile.realm, stream, message.topic_name())
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def message_content_allowed_in_missedmessage_emails(user_profile: UserProfile) -> bool:
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return (
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user_profile.realm.message_content_allowed_in_email_notifications
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and user_profile.message_content_in_email_notifications
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)
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@statsd_increment("missed_message_reminders")
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def do_send_missedmessage_events_reply_in_zulip(
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user_profile: UserProfile, missed_messages: List[Dict[str, Any]], message_count: int
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) -> None:
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"""
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Send a reminder email to a user if she's missed some PMs by being offline.
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The email will have its reply to address set to a limited used email
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address that will send a Zulip message to the correct recipient. This
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allows the user to respond to missed PMs, huddles, and @-mentions directly
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from the email.
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`user_profile` is the user to send the reminder to
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`missed_messages` is a list of dictionaries to Message objects and other data
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for a group of messages that share a recipient (and topic)
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"""
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from zerver.context_processors import common_context
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# Disabled missedmessage emails internally
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if not user_profile.enable_offline_email_notifications:
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return
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recipients = {
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(msg["message"].recipient_id, msg["message"].topic_name()) for msg in missed_messages
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}
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if len(recipients) != 1:
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raise ValueError(
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f"All missed_messages must have the same recipient and topic {recipients!r}",
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)
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# This link is no longer a part of the email, but keeping the code in case
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# we find a clean way to add it back in the future
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unsubscribe_link = one_click_unsubscribe_link(user_profile, "missed_messages")
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context = common_context(user_profile)
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context.update(
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name=user_profile.full_name,
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message_count=message_count,
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unsubscribe_link=unsubscribe_link,
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realm_name_in_notifications=user_profile.realm_name_in_notifications,
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)
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triggers = [message["trigger"] for message in missed_messages]
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unique_triggers = set(triggers)
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context.update(
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mention="mentioned" in unique_triggers or "wildcard_mentioned" in unique_triggers,
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stream_email_notify="stream_email_notify" in unique_triggers,
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mention_count=triggers.count("mentioned") + triggers.count("wildcard_mentioned"),
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)
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# If this setting (email mirroring integration) is enabled, only then
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# can users reply to email to send message to Zulip. Thus, one must
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# ensure to display warning in the template.
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if settings.EMAIL_GATEWAY_PATTERN:
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context.update(
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reply_to_zulip=True,
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)
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else:
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context.update(
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reply_to_zulip=False,
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)
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from zerver.lib.email_mirror import create_missed_message_address
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reply_to_address = create_missed_message_address(user_profile, missed_messages[0]["message"])
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if reply_to_address == FromAddress.NOREPLY:
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reply_to_name = ""
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else:
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reply_to_name = "Zulip"
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narrow_url = get_narrow_url(user_profile, missed_messages[0]["message"])
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context.update(
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narrow_url=narrow_url,
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)
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senders = list({m["message"].sender for m in missed_messages})
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if missed_messages[0]["message"].recipient.type == Recipient.HUDDLE:
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display_recipient = get_display_recipient(missed_messages[0]["message"].recipient)
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# Make sure that this is a list of strings, not a string.
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assert not isinstance(display_recipient, str)
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other_recipients = [r["full_name"] for r in display_recipient if r["id"] != user_profile.id]
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context.update(group_pm=True)
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if len(other_recipients) == 2:
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huddle_display_name = " and ".join(other_recipients)
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context.update(huddle_display_name=huddle_display_name)
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elif len(other_recipients) == 3:
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huddle_display_name = (
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f"{other_recipients[0]}, {other_recipients[1]}, and {other_recipients[2]}"
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)
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context.update(huddle_display_name=huddle_display_name)
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else:
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huddle_display_name = "{}, and {} others".format(
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", ".join(other_recipients[:2]), len(other_recipients) - 2
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)
|
|
context.update(huddle_display_name=huddle_display_name)
|
|
elif missed_messages[0]["message"].recipient.type == Recipient.PERSONAL:
|
|
context.update(private_message=True)
|
|
elif context["mention"] or context["stream_email_notify"]:
|
|
# Keep only the senders who actually mentioned the user
|
|
if context["mention"]:
|
|
senders = list(
|
|
{
|
|
m["message"].sender
|
|
for m in missed_messages
|
|
if m["trigger"] == "mentioned" or m["trigger"] == "wildcard_mentioned"
|
|
}
|
|
)
|
|
message = missed_messages[0]["message"]
|
|
stream = Stream.objects.only("id", "name").get(id=message.recipient.type_id)
|
|
stream_header = f"{stream.name} > {message.topic_name()}"
|
|
context.update(
|
|
stream_header=stream_header,
|
|
)
|
|
else:
|
|
raise AssertionError("Invalid messages!")
|
|
|
|
# If message content is disabled, then flush all information we pass to email.
|
|
if not message_content_allowed_in_missedmessage_emails(user_profile):
|
|
realm = user_profile.realm
|
|
context.update(
|
|
reply_to_zulip=False,
|
|
messages=[],
|
|
sender_str="",
|
|
realm_str=realm.name,
|
|
huddle_display_name="",
|
|
show_message_content=False,
|
|
message_content_disabled_by_user=not user_profile.message_content_in_email_notifications,
|
|
message_content_disabled_by_realm=not realm.message_content_allowed_in_email_notifications,
|
|
)
|
|
else:
|
|
context.update(
|
|
messages=build_message_list(
|
|
user=user_profile,
|
|
messages=[m["message"] for m in missed_messages],
|
|
stream_map={},
|
|
),
|
|
sender_str=", ".join(sender.full_name for sender in senders),
|
|
realm_str=user_profile.realm.name,
|
|
show_message_content=True,
|
|
)
|
|
|
|
with override_language(user_profile.default_language):
|
|
from_name: str = _("Zulip missed messages")
|
|
from_address = FromAddress.NOREPLY
|
|
if len(senders) == 1 and settings.SEND_MISSED_MESSAGE_EMAILS_AS_USER:
|
|
# If this setting is enabled, you can reply to the Zulip
|
|
# missed message emails directly back to the original sender.
|
|
# However, one must ensure the Zulip server is in the SPF
|
|
# record for the domain, or there will be spam/deliverability
|
|
# problems.
|
|
#
|
|
# Also, this setting is not really compatible with
|
|
# EMAIL_ADDRESS_VISIBILITY_ADMINS.
|
|
sender = senders[0]
|
|
from_name, from_address = (sender.full_name, sender.email)
|
|
context.update(
|
|
reply_to_zulip=False,
|
|
)
|
|
|
|
email_dict = {
|
|
"template_prefix": "zerver/emails/missed_message",
|
|
"to_user_ids": [user_profile.id],
|
|
"from_name": from_name,
|
|
"from_address": from_address,
|
|
"reply_to_email": str(Address(display_name=reply_to_name, addr_spec=reply_to_address)),
|
|
"context": context,
|
|
}
|
|
queue_json_publish("email_senders", email_dict)
|
|
|
|
user_profile.last_reminder = timezone_now()
|
|
user_profile.save(update_fields=["last_reminder"])
|
|
|
|
|
|
def handle_missedmessage_emails(
|
|
user_profile_id: int, missed_email_events: Iterable[Dict[str, Any]]
|
|
) -> None:
|
|
message_ids = {event.get("message_id"): event.get("trigger") for event in missed_email_events}
|
|
|
|
user_profile = get_user_profile_by_id(user_profile_id)
|
|
if not receives_offline_email_notifications(user_profile):
|
|
return
|
|
|
|
# Note: This query structure automatically filters out any
|
|
# messages that were permanently deleted, since those would now be
|
|
# in the ArchivedMessage table, not the Message table.
|
|
messages = Message.objects.filter(
|
|
usermessage__user_profile_id=user_profile,
|
|
id__in=message_ids,
|
|
usermessage__flags=~UserMessage.flags.read,
|
|
)
|
|
|
|
# Cancel missed-message emails for deleted messages
|
|
messages = [um for um in messages if um.content != "(deleted)"]
|
|
|
|
if not messages:
|
|
return
|
|
|
|
# We bucket messages by tuples that identify similar messages.
|
|
# For streams it's recipient_id and topic.
|
|
# For PMs it's recipient id and sender.
|
|
messages_by_bucket: Dict[Tuple[int, str], List[Message]] = defaultdict(list)
|
|
for msg in messages:
|
|
if msg.recipient.type == Recipient.PERSONAL:
|
|
# For PM's group using (recipient, sender).
|
|
messages_by_bucket[(msg.recipient_id, msg.sender_id)].append(msg)
|
|
else:
|
|
messages_by_bucket[(msg.recipient_id, msg.topic_name())].append(msg)
|
|
|
|
message_count_by_bucket = {
|
|
bucket_tup: len(msgs) for bucket_tup, msgs in messages_by_bucket.items()
|
|
}
|
|
|
|
for msg_list in messages_by_bucket.values():
|
|
msg = min(msg_list, key=lambda msg: msg.date_sent)
|
|
if msg.is_stream_message():
|
|
context_messages = get_context_for_message(msg)
|
|
filtered_context_messages = bulk_access_messages(user_profile, context_messages)
|
|
msg_list.extend(filtered_context_messages)
|
|
|
|
# Sort emails by least recently-active discussion.
|
|
bucket_tups: List[Tuple[Tuple[int, str], int]] = []
|
|
for bucket_tup, msg_list in messages_by_bucket.items():
|
|
max_message_id = max(msg_list, key=lambda msg: msg.id).id
|
|
bucket_tups.append((bucket_tup, max_message_id))
|
|
|
|
bucket_tups = sorted(bucket_tups, key=lambda x: x[1])
|
|
|
|
# Send an email per bucket.
|
|
for bucket_tup, ignored_max_id in bucket_tups:
|
|
unique_messages = {}
|
|
for m in messages_by_bucket[bucket_tup]:
|
|
unique_messages[m.id] = dict(
|
|
message=m,
|
|
trigger=message_ids.get(m.id),
|
|
)
|
|
do_send_missedmessage_events_reply_in_zulip(
|
|
user_profile,
|
|
list(unique_messages.values()),
|
|
message_count_by_bucket[bucket_tup],
|
|
)
|
|
|
|
|
|
def followup_day2_email_delay(user: UserProfile) -> timedelta:
|
|
days_to_delay = 2
|
|
user_tz = user.timezone
|
|
if user_tz == "":
|
|
user_tz = "UTC"
|
|
signup_day = user.date_joined.astimezone(pytz.timezone(user_tz)).isoweekday()
|
|
if signup_day == 5:
|
|
# If the day is Friday then delay should be till Monday
|
|
days_to_delay = 3
|
|
elif signup_day == 4:
|
|
# If the day is Thursday then delay should be till Friday
|
|
days_to_delay = 1
|
|
|
|
# The delay should be 1 hour before the above calculated delay as
|
|
# our goal is to maximize the chance that this email is near the top
|
|
# of the user's inbox when the user sits down to deal with their inbox,
|
|
# or comes in while they are dealing with their inbox.
|
|
return timedelta(days=days_to_delay, hours=-1)
|
|
|
|
|
|
def enqueue_welcome_emails(user: UserProfile, realm_creation: bool = False) -> None:
|
|
from zerver.context_processors import common_context
|
|
|
|
if settings.WELCOME_EMAIL_SENDER is not None:
|
|
# line break to avoid triggering lint rule
|
|
from_name = settings.WELCOME_EMAIL_SENDER["name"]
|
|
from_address = settings.WELCOME_EMAIL_SENDER["email"]
|
|
else:
|
|
from_name = None
|
|
from_address = FromAddress.support_placeholder
|
|
|
|
other_account_count = (
|
|
UserProfile.objects.filter(delivery_email__iexact=user.delivery_email)
|
|
.exclude(id=user.id)
|
|
.count()
|
|
)
|
|
unsubscribe_link = one_click_unsubscribe_link(user, "welcome")
|
|
context = common_context(user)
|
|
context.update(
|
|
unsubscribe_link=unsubscribe_link,
|
|
keyboard_shortcuts_link=user.realm.uri + "/help/keyboard-shortcuts",
|
|
realm_name=user.realm.name,
|
|
realm_creation=realm_creation,
|
|
email=user.delivery_email,
|
|
is_realm_admin=user.role == UserProfile.ROLE_REALM_ADMINISTRATOR,
|
|
)
|
|
if user.is_realm_admin:
|
|
context["getting_started_link"] = (
|
|
user.realm.uri + "/help/getting-your-organization-started-with-zulip"
|
|
)
|
|
else:
|
|
context["getting_started_link"] = "https://zulip.com"
|
|
|
|
# Imported here to avoid import cycles.
|
|
from zproject.backends import ZulipLDAPAuthBackend, email_belongs_to_ldap
|
|
|
|
if email_belongs_to_ldap(user.realm, user.delivery_email):
|
|
context["ldap"] = True
|
|
for backend in get_backends():
|
|
# If the user is doing authentication via LDAP, Note that
|
|
# we exclude ZulipLDAPUserPopulator here, since that
|
|
# isn't used for authentication.
|
|
if isinstance(backend, ZulipLDAPAuthBackend):
|
|
context["ldap_username"] = backend.django_to_ldap_username(user.delivery_email)
|
|
break
|
|
|
|
send_future_email(
|
|
"zerver/emails/followup_day1",
|
|
user.realm,
|
|
to_user_ids=[user.id],
|
|
from_name=from_name,
|
|
from_address=from_address,
|
|
context=context,
|
|
)
|
|
|
|
if other_account_count == 0:
|
|
send_future_email(
|
|
"zerver/emails/followup_day2",
|
|
user.realm,
|
|
to_user_ids=[user.id],
|
|
from_name=from_name,
|
|
from_address=from_address,
|
|
context=context,
|
|
delay=followup_day2_email_delay(user),
|
|
)
|
|
|
|
|
|
def convert_html_to_markdown(html: str) -> str:
|
|
parser = html2text.HTML2Text()
|
|
markdown = parser.handle(html).strip()
|
|
|
|
# We want images to get linked and inline previewed, but html2text will turn
|
|
# them into links of the form ``, which is
|
|
# ugly. Run a regex over the resulting description, turning links of the
|
|
# form `` into
|
|
# `[image.png](http://foo.com/image.png)`.
|
|
return re.sub("!\\[\\]\\((\\S*)/(\\S*)\\?(\\S*)\\)", "[\\2](\\1/\\2)", markdown)
|