from config import config
from mcoll import Collection
import os


class Model(object):

    def allcollections(self):
        return config.get('collections', 'entry').split(), config.get('collections', 'media').split()

    def ismedia(self, name):
        return name in config.get('collections', 'media').split()


    def collection(self, name):
        trash = None
        if name != 'trash':
            trash = config.get('trash', 'dir')
        return Collection(config.get(name, 'dir'), trash)

    def __getattr__(self, name):
        return self.collection(name)

    def comments(self, collection, entry_id):
        return Collection(os.path.join(config.get(collection, 'comments'), entry_id), config.get('trash', 'dir'))

    def recent_comments(self, collection):
        """Returns a list of tuples, (entry_id, comment_id) for
        each recent comment. The list is returned in reverse
        chronological order"""
        lines  = open(os.path.join(config.get(collection, 'comments'), "recent"), "r").readlines()
        lines.reverse()
        return [x.strip().split(" ", 1) for x in lines]

model = Model()