# -*- coding: utf-8 -*-
from datetime import datetime

class FeedEntry(object):
    @staticmethod
    def find_by_link(link, database):
        query = """
            FOR feed_entry_doc IN feed_entry
                FILTER feed_entry_doc.link == @link
                RETURN feed_entry_doc
        """
        bind_vars = { 'link': link }
        results = database.AQLQuery(query, bind_vars)
        if len(results) > 0:
            return FeedEntry[results[0]]
        else:
            return None

    def __init__(self, document):
        super(FeedEntry, self).__init__()
        self.document = document

    def __getattr__(self, attribute):
        if attribute == 'updated' or attribute == 'created':
            return self._parse_date(attribute)
        return self.document[attribute]

    def _parse_date(self, attribute):
        value = self.document[attribute]
        return datetime.strptime(value, '%Y-%m-%dT%H:%M:%S.%f')

    def markRead(self):
        self.document['read'] = True
        self.document.patch()