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27d79352da
This changes files where it's safe to just assume caller may use either "topic" or "subject", and we prefer "topic" but support "subject".
65 lines
2.5 KiB
Python
65 lines
2.5 KiB
Python
from zerver.lib.request import JsonableError
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from zerver.lib.topic import (
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get_topic_from_message_info,
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)
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from django.utils.translation import ugettext as _
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from typing import Any, Callable, Dict, Iterable, Mapping, Sequence
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def check_supported_events_narrow_filter(narrow: Iterable[Sequence[str]]) -> None:
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for element in narrow:
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operator = element[0]
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if operator not in ["stream", "topic", "sender", "is"]:
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raise JsonableError(_("Operator %s not supported.") % (operator,))
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def is_web_public_compatible(narrow: Iterable[Dict[str, str]]) -> bool:
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for element in narrow:
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operator = element['operator']
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if 'operand' not in element:
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return False
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if operator not in ["stream", "topic", "sender", "has", "search", "near", "id"]:
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return False
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return True
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def build_narrow_filter(narrow: Iterable[Sequence[str]]) -> Callable[[Mapping[str, Any]], bool]:
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"""Changes to this function should come with corresponding changes to
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BuildNarrowFilterTest."""
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check_supported_events_narrow_filter(narrow)
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def narrow_filter(event: Mapping[str, Any]) -> bool:
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message = event["message"]
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flags = event["flags"]
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for element in narrow:
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operator = element[0]
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operand = element[1]
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if operator == "stream":
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if message["type"] != "stream":
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return False
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if operand.lower() != message["display_recipient"].lower():
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return False
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elif operator == "topic":
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if message["type"] != "stream":
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return False
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topic_name = get_topic_from_message_info(message)
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if operand.lower() != topic_name.lower():
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return False
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elif operator == "sender":
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if operand.lower() != message["sender_email"].lower():
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return False
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elif operator == "is" and operand == "private":
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if message["type"] != "private":
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return False
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elif operator == "is" and operand in ["starred"]:
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if operand not in flags:
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return False
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elif operator == "is" and operand == "unread":
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if "read" in flags:
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return False
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elif operator == "is" and operand in ["alerted", "mentioned"]:
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if "mentioned" not in flags:
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return False
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return True
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return narrow_filter
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