# -*- coding: utf-8
# $Id$
#
# Copyright 2001 - 2005 by IVA Team and contributors
#
# This file is part of IVA.
#
# IVA is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# IVA is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with IVA; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

"""
Portfolio - A place for blog and assignments.
"""

__version__ = "$Revision$"[11:-2]

import Globals
import WebtopFolder
import Blog
from WebtopItem import WebtopItem
from AccessControl import ClassSecurityInfo
from common import perm_view, perm_edit, perm_manage, perm_add_lo
from common import translate
import time

from zope.interface import implements
from interfaces import IWebtopItem, IPortfolio, IStatistics
from zope.component import adapter, getUtility
from zope.app.container.interfaces import IObjectAddedEvent

class Portfolio(
    Blog.Blog,
    WebtopFolder.WebtopFolder,
    ):
    """ Portfolio holds assignments and blog """

    meta_type = "Portfolio"

    implements(IWebtopItem, IPortfolio)

    security = ClassSecurityInfo()
    security.declareObjectPublic()

    portfolio_top = 1

    def __init__(self, parent, name):
        """ set id """
        WebtopItem.__init__(self, parent, name)
        self.id = 'portfolio'

    security.declareProtected(perm_view, 'index_html')
    def index_html(self, REQUEST=None):
        """ index_page """
        getUtility(IStatistics)._viewedObject(REQUEST, self.getRelativeURL(self))
        url = self.absolute_url()
        if 'subgroups' in url:
            return self.wt_index_html()
        return self.portfolio_index()

    security.declareProtected(perm_view, 'get_icon')
    def get_icon(self):
        """ icon """
        return getattr(self.images, 'folder_gif.gif')

    security.declareProtected(perm_view, 'get_icon_tag')
    def get_icon_tag(self):
        """ get icon tag """
        return """<img src="%s/folder_gif.gif" />""" % self.fle_root().absolute_url()

    def get_icon_path(self):
        """ return icon path """
        return "folder_gif.gif"

    security.declareProtected(perm_view, 'get_name')
    def get_name(self):
        """ always portfolio """
        return "Portfolio"

    security.declareProtected(perm_view, 'getAssignments')
    def getAssignments(self):
        """ return a list of assignments (folder?) """
        return self.objectValues('AssignmentProxy')

    security.declareProtected(perm_edit, 'createAssignmentProxy')
    def createAssignmentProxy(self, a, c):
        """ sets AssignmentProxy object """
        proxy = AssignmentProxy(self, a, c)
        proxy.id = a
        self._setObject(a, proxy)
        return proxy.__of__(self)

Globals.InitializeClass(Portfolio)

class AssignmentProxy(
    WebtopFolder.WebtopFolder,
    ):
    """ Assignment folder where user can submit it's work. """
    
    meta_type = "AssignmentProxy"

    security = ClassSecurityInfo()
    security.declareObjectPublic()

    def __init__(self, parent, assignment_id, course_id):
        """ Construct AssignmentProxy """
        WebtopItem.__init__(self, parent, '')
        self.__assignment_id = assignment_id
        self.__course_id = course_id

    security.declareProtected(perm_view, 'index_html')
    def index_html(self, REQUEST):
        """ index html """
        getUtility(IStatistics)._viewedObject(REQUEST, self.getRelativeURL(self))
        return self.hw_index_html()

    def __get_assignments(self):
        """ return assignments folder """
        try:
            return self.courses.get_child(self.__course_id).kodutood
        except KeyError:
            return None
        
    def __get_assignment(self):
        """ return assignment """
        return getattr(self.__get_assignments(), self.__assignment_id, None)

    security.declareProtected(perm_view, 'get_assignment')
    def get_assignment(self):
        """ return assignment """
        return self.__get_assignment()

    security.declareProtected(perm_view, 'get_name')
    def get_name(self):
        """ return assignment id """
        as = self.__get_assignment()
        try:
            return as.getTitle()
        except AttributeError:
            pass
        if not as or as.meta_type == 'AssignmentProxy':
            # trigger folder deletion here if folder is empty
            if len(self.objectValues()) == 0:
                self.delete_me()
            return "deleted assignment"
        else:
            if as.getRawType() == 2: # groupwork
                groups = as.getGroups()
                try:
                    if self.is_subgroup_id() not in groups:
                        if len(self.objectValues()) == 0:
                            self.delete_me()
                            return ""
                        return "deleted assignment"
                except AttributeError:
                    #print "is_subgroup_id failed %s" % self.absolute_url()
                    return ""
            return as.getTitle()

    security.declareProtected(perm_view, 'get_description')
    def get_description(self):
        """ return assignment description """
        as = self.__get_assignment()
        if not as or as.meta_type == 'AssignmentProxy':
            return "deleted assignment"
        else:
            return as.kirjeldus

    security.declareProtected(perm_view, 'get_assignment_material')
    def get_assignment_material(self):
        """ return assignment material if set """
        as = self.__get_assignment()
        if not as or as.meta_type == 'AssignmentProxy':
            return ""
        if as.juhend == "": return ""
        tulem = ""
        elem = as.juhend.split("/")
        koht = self.fle_root()
        try:
            for obj in elem:
                if len(obj)>0:
                    koht = getattr(koht, obj)
            obj_nimi = koht.get_name()
            tulem += "<a href=\""+self.fle_root().absolute_url()+as.juhend+"\">"+obj_nimi+"</a>"
        except AttributeError:
            as.juhend = ""
            tulem = ""
        return tulem

    security.declareProtected(perm_view, 'get_assignment_deadline')
    def get_assignment_deadline(self, REQUEST):
        """ return assignment deadline """
        as = self.__get_assignment()
        if not as or as.meta_type == 'AssignmentProxy':
            return ""
        if as.getRawType() == 0: return ""
        if str(as.loppaeg) == 'None':
            as.loppaeg = time.time()
        message = translate(self, "Deadline:", target=self.giveLanguage(REQUEST))+" "+time.strftime(translate(self,'timestamp_format',default="%H:%M %Y-%m-%d", target=self.giveLanguage(REQUEST)), time.localtime(as.loppaeg))
        if hasattr(as, 'lockFolder') and as.lockFolder():
            message += "<br />"+translate(self,"Folder will be locked after deadline.", target=self.giveLanguage(REQUEST))
        return message
    
    security.declareProtected(perm_view, 'get_icon')
    def get_icon(self):
        """ icon """
        return getattr(self.images, 'folder_gif.gif')

    security.declareProtected(perm_view, 'list_contents')
    def hw_list_contents(self, REQUEST, jnr):
        """ list contents + other webtop content if needed """
        my_list = self.list_contents_request2(REQUEST)
        other_list = []
        hw = self.__get_assignment()
        # hw, hw==self, isinstance(hw, AssignmentProxy)
        if isinstance(hw, AssignmentProxy):
            return my_list
        hwID = hw.getAssignmentID()
        if hwID:
            users = hw.getReviewers(str(REQUEST.AUTHENTICATED_USER))
            for user in users:
                relurl = "fle_users/"+user+"/webtop/c"+str(jnr)+"/portfolio/"+hwID
                #u_obj = getattr(self.fle_root(), 'fle_users').get_user_info(user)
                #portfolio = u_obj.get_course_portfolio(jnr)
                #o_hw = getattr(portfolio, hwID, None)
                #if not o_hw: continue
                other_list += self.list_contents_request2(REQUEST, relative=relurl)
        return other_list+my_list

    security.declareProtected(perm_view, 'is_assignment')
    def is_assignment(self):
        """ return 1 - this is assignment folder """
        return 1

    security.declareProtected(perm_view, 'is_folder_locked')
    def is_folder_locked(self):
        """ is assignment has deadline then after deadline don't allow users to change content """
        hw = self.__get_assignment()
        try:
            if hw.lockFolder():
                return time.time()>hw.loppaeg
        except AttributeError:
            return False

    security.declareProtected(perm_view, 'quizLink')
    def quizLink(self, REQUEST, course,userlocation):
        """ if we need link to quiz solving """
        if not self.myOwnWebtop(REQUEST): return ""
        url = ""
        asg = self.__get_assignment()
        if not asg or asg.meta_type == 'AssignmentProxy':
            return url
        try:
            quizID = asg.testiID
            if not quizID:
                return ""
            quiz = getattr(course.testid, quizID)
            if quiz.kasLubatudLahendada(REQUEST):
                if quiz.kysiTyyp()==0:
                    url=quiz.absolute_url()+'/qtExplanationQuiz?userLocation='+userlocation
                elif quiz.kysiTyyp()==1:
                    url = quiz.absolute_url()+'/qtAnsweringForm?userLocation='+userlocation
                elif quiz.kysiTyyp()==2:
                    url=quiz.absolute_url()+'/qtExerciseForm?userLocation='+userlocation
        except AttributeError:
                pass
        return url

    security.declareProtected(perm_view, 'wordmapLink')
    def wordmapLink(self, REQUEST, course,userlocation):
        """ if we need link to wordmap making """
        if not self.myOwnWebtop(REQUEST): return ""
        url = ""
        as = self.__get_assignment()
        if not as or as.meta_type == 'AssignmentProxy':
            return url
        try:
            wmID = as.wmID
            if not wmID:
                return ""
            #wm = getattr(course.wordmaps, wmID)
            url=self.wmcID
        except AttributeError:
            pass
        return url

    security.declareProtected(perm_view, 'explainWhy')
    def explainWhy(self, REQUEST):
        """ see YlTest """
        as = self.__get_assignment()
        why = ""
        if not as or as.meta_type == 'AssignmentProxy':
            return why
        quizID = as.testiID
        if not quizID:
            return why
        try:
            quiz = getattr(as.parent().parent().testid, quizID, None)
        except AttributeError:
            return why
        if not quiz:
            return why
        why = quiz.explainWhy(REQUEST)
        return why

Globals.InitializeClass(AssignmentProxy)

@adapter(IPortfolio, IObjectAddedEvent)
def added(obj, event):
    obj.manage_permission('Change permissions', ('Owner', 'Teacher',), 1)