mirror of https://github.com/zulip/zulip.git
42 lines
1.6 KiB
Python
42 lines
1.6 KiB
Python
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from zerver.decorator import JsonableError
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def check_supported_events_narrow_filter(narrow):
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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 build_narrow_filter(narrow):
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check_supported_events_narrow_filter(narrow)
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def narrow_filter(event):
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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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if operand.lower() != message["subject"].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 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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