# -*- 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, ICourseManager, IAssignmentProxy
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.restrictedTraverse('wt_index_html.html')()
        return self.restrictedTraverse('portfolio_index.html')()

    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()
    implements(IAssignmentProxy)

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

    def __get_assignments(self):
        """ return assignments folder """
        try:
            return getUtility(ICourseManager, context=self).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 """
        asg = self.__get_assignment()
        try:
            asgtitle = asg.getTitle()
            return asgtitle
        except AttributeError:
            pass
        if not asg:
            return "..."
        #if not asg or asg.meta_type == 'AssignmentProxy':
        #    # trigger folder deletion here if folder is empty
        #    #if len(self.objectValues()) == 0:
        #    #    try:
        #    #        self.delete_me()
        #    #    except TypeError:
        #    #        pass
        #    return "deleted assignment"
        #else:
        if asg.getRawType() == 2: # groupwork
            groups = asg.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 asg.getTitle()

    getTitle = get_name

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

    security.declareProtected(perm_view, 'get_assignment_material')
    def get_assignment_material(self):
        """ return assignment material if set """
        asg = self.__get_assignment()
        if not asg or asg.meta_type == 'AssignmentProxy':
            return ""
        if asg.juhend == "": return ""
        tulem = ""
        elem = asg.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()+asg.juhend+"\">"+obj_nimi+"</a>"
        except AttributeError:
            asg.juhend = ""
            tulem = ""
        return tulem

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

    def get_icon_path(self):
        """ icon path """
        return '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
        if hw is None: return my_list # assignment must have been deleted.
        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.html?userLocation='+userlocation
                elif quiz.kysiTyyp()==1:
                    url = quiz.absolute_url()+'/qtAnsweringForm.html?userLocation='+userlocation
                elif quiz.kysiTyyp()==2:
                    url=quiz.absolute_url()+'/qtExerciseForm.html?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 = ""
        asg = self.__get_assignment()
        if not asg or asg.meta_type == 'AssignmentProxy':
            return url
        try:
            wmID = asg.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 """
        asg = self.__get_assignment()
        why = ""
        if not asg or asg.meta_type == 'AssignmentProxy':
            return why
        quizID = asg.testiID
        if not quizID:
            return why
        try:
            quiz = getattr(asg.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', 'Student', 'Teacher',), 1)