# -*- coding: utf-8
# Copyright 2006 by Meelis Mets

from Globals import InitializeClass
from Products.CMFCore.utils import getToolByName
from Products.Archetypes.public import BaseContent, registerType
from Permissions import *

from AccessControl import ClassSecurityInfo, Unauthorized
from config import PROJECT_NAME

class BaseFunctions(BaseContent):
    """ BaseFunctions """

    def getClasses(self):
	""" Classes massive """
        classes = []	
        member = self.REQUEST.AUTHENTICATED_USER
        groupstool = getToolByName(self, 'portal_groups')
        groups = groupstool.listGroupIds()
        roles = member.getRolesInContext(self)
        for target in groups:
            target2 = groupstool.getGroupById(target)
            if 'Manager' in roles:
                target = str(target)
                if target not in ['Administrators', 'Reviewers']:
                    classes.append(target)
            else:
                for md in target2.getGroupMembers():
                    if md.id == str(member):
                        classes.append(str(target))
	return classes

    def getStudents(self, groupId):
	""" Students massive """
        students = []	
        member = self.REQUEST.AUTHENTICATED_USER
        groupstool = getToolByName(self, 'portal_groups')
        group = groupstool.getGroupById(str(groupId))
        for md in group.getGroupMembers():
            if 'Teacher' not in md.getRolesInContext(self) and self.portal_membership.getHomeFolder(md.id)!=None:
                students.append(md)
	return students

    def getFullName(self, username):
        """ gets members fullname """
        if username == None:
            return ''
        return  self.portal_membership.getMemberById(username).getProperty('fullname')

    def canSeeData(self):
        """ member can see data """
        member = self.REQUEST.AUTHENTICATED_USER
        for role in ['Teacher','Manager']:
            if role in member.getRolesInContext(self):
                return True
        return  False

    def isOwner(self, member):
        """ is owner? """
        homefolder = self.portal_membership.getHomeFolder(member)
        if hasattr(homefolder, str(self.Target[0])):
            object = getattr(homefolder, str(self.Target[0]))
            if str(object.Creator())==str(member):
                return True
        return False

    def getRemoteUrl(self):
	return self.absolute_url()