jm2l/jm2l/views.py

# -*- coding: utf8 -*-
from pyramid.httpexceptions import HTTPFound, HTTPNotFound, HTTPForbidden
from pyramid.httpexceptions import HTTPBadRequest, HTTPUnauthorized
from pyramid.renderers import render_to_response
from pyramid.response import Response
from pyramid.view import notfound_view_config, forbidden_view_config
from pyramid.view import view_config
# Import Web Forms
from .forms import *
# Database access imports
from .models import *
from sqlalchemy.exc import DBAPIError
from sqlalchemy import func, or_
# Usefull tools
from slugify import slugify
from icalendar import Calendar
from pytz import timezone
from icalendar import Event as Evt
# Then, standard libs
import webhelpers.paginate as paginate
import unicodedata
import time
import datetime
import re 

CurrentYear = 2015

## =-=- Here, We keep some usefull function -=-=
def remove_accents(input_str):
    """ This function is intended to remove all accent from input unicode string """
    nkfd_form = unicodedata.normalize('NFKD', input_str)
    only_ascii = nkfd_form.encode('ASCII', 'ignore')
    return only_ascii

@view_config(route_name='tester', renderer="jm2l:templates/tester.mako")
def Tester(request):
    JTiers = DBSession.query(Tiers).all()
    MainTab = {'programme':'','presse':'', 'plan':'', 'participer':'',
        'Tiers':JTiers, "logged_in":request.authenticated_userid }
    return MainTab

## =-=- Here, We handle ICal requests -=-=
@view_config(route_name='progr_iCal', renderer="string")
def ICal_Progamme_Request(request):
    year = int(request.matchdict.get('year', CurrentYear))
    # Initialization
    DicResult = dict()
    # Query database
    # Compute days used by all events matching the specified input year
    Events = DBSession.query(Event)\
                .filter(Event.for_year == year)\
                .filter(Event.event_type != 'Stand')\
                .order_by(Event.start_time)
    
    cal = Calendar()
    cal.add('prodid', '-//Programme %d//jm2l.linux-azur.org//' % year)
    cal.add('version', '2.0')
    tz = timezone('Europe/Paris')
    for ev in Events:
        if ev.event_type:
            event = Evt()
            event['uid'] = "%d/%d" % ( year, ev.uid )
            event.add('summary', ev.name )
            event.add('dtstart', ev.start_time.replace(tzinfo=tz) )
            event.add('dtend', ev.end_time.replace(tzinfo=tz) )
            event.add('created', ev.last_change.replace(tzinfo=tz) )
            event.add('description', "http://www.linux-azur.org/event/%s/%s" % (ev.for_year, ev.slug)  )
            event.add('url', "http://www.linux-azur.org/event/%s/%s" % (ev.for_year, ev.slug) )
            event.add('priority', 5)
            cal.add_component(event)
    return cal.to_ical()

## =-=- Here, We handle Json requests -=-= 
@view_config(route_name='users_json', renderer="json")
def JSON_User_Request(request):
    """ Build a JSON answer with active users and pagination handling """
    # Check arguments consitency 
    pageSize = request.params.get('pageSize',"8")
    current_page = request.params.get('pageNum',"1")
    UserQuery = request.params.get('searchTerm', u"")
    # Don't answer to users that aren't logged    
    if not request.user:
        return HTTPUnauthorized('You have to be logged to hope an answer.')
    # Check consistancy of parameters        
    if pageSize.isdigit() and current_page.isdigit():
        current_page = int(current_page)
        pageSize = int(pageSize)
    else:
        return HTTPBadRequest('pageSize and pageNum accept only digits.')    
    # Query database
    Users = DBSession.query(User.uid, User.nom, User.prenom)\
        .filter(User.slug.contains( remove_accents(UserQuery) ))
    page_url = paginate.PageURL_WebOb(request)
    records = paginate.Page(Users, current_page, url=page_url, items_per_page=pageSize)
    ListMatchUser = map( lambda u:{"id": u.uid, "text":"%s %s" % ( u.prenom, u.nom )}, records )
    return { "Results": ListMatchUser, "Total":records.item_count,
            "logged_in":request.authenticated_userid }

@view_config(route_name='tiers_json', renderer="json")
def JSON_Tiers_Request(request):
    """ Build a JSON answer with active users and pagination handling """
    # Check arguments consitency 
    pageSize = request.params.get('pageSize',"8")
    current_page = request.params.get('pageNum',"1")
    TiersQuery = request.params.get('searchTerm', u"")
    # Don't answer to users that aren't logged    
    if not request.user:
        return HTTPUnauthorized('You have to be logged to hope an answer.')
    # Check consistancy of parameters        
    if pageSize.isdigit() and current_page.isdigit():
        current_page = int(current_page)
        pageSize = int(pageSize)
    else:
        return HTTPBadRequest('pageSize and pageNum accept only digits.')    
    # Query database
    JTiers = DBSession.query(Tiers.uid, Tiers.name)\
        .filter(Tiers.slug.contains( remove_accents(TiersQuery) ))
    page_url = paginate.PageURL_WebOb(request)
    records = paginate.Page(JTiers, current_page, url=page_url, items_per_page=pageSize)
    ListMatchTiers = map( lambda t:{"id": t.uid, "text": t.name }, records )
    return { "Results": ListMatchTiers, "Total":records.item_count,
            "logged_in":request.authenticated_userid }

@view_config(route_name='progr_json', renderer="json")
def JSON_Progamme_Request(request):
    year = int(request.matchdict.get('year', CurrentYear))
    # Initialization
    DicResult = dict()
    # Query database
    # Compute days used by all events matching the specified input year
    Days = DBSession.query( func.strftime('%d', Event.start_time).label('day') )\
            .filter(Event.for_year == year)\
            .filter(Event.event_type != None)\
            .group_by(func.strftime('%d', Event.start_time)).all()

    for Day in Days:
        Events = DBSession.query(Event)\
                    .filter(Event.for_year == year)\
                    .filter(Event.event_type != 'Stand')\
                    .filter("strftime('%d', start_time) = :dow").params(dow=Day.day)\
                    .order_by(Event.start_time)
                    
        ListEv = []
        for ev in Events:
            if ev.event_type:
                ListEv.append( {
                    "uid":"%d/%d" % ( year, ev.uid ),
                    "desc":ev.name,
                    "startDate":ev.start_time.strftime('%Y-%m-%dT%H:%M:%S'),
                    "endDate":ev.end_time.strftime('%Y-%m-%dT%H:%M:%S'),
                    "placeName":ev.Salle and (ev.Salle.name or "unk") ,
                    "status":ev.event_type
                } )
        DicResult[Day.day] = ListEv
    return { 'all':DicResult }

@view_config(route_name='timeline_json', renderer="json")
def JSON_TimeLine_Request(request):
    year = int(request.matchdict.get('year', CurrentYear))
    # Initialization
    DicResult = dict()
    # Query database
    # Compute days used by all events matching the specified input year
    Days = DBSession.query( func.strftime('%d', Event.start_time).label('day') )\
            .filter(Event.for_year == year)\
            .filter(Event.event_type != None)\
            .group_by(func.strftime('%d', Event.start_time)).all()
    ListEv = []
    for Day in Days:
        Events = DBSession.query(Event)\
                    .filter(Event.for_year == year)\
                    .filter(Event.event_type != 'Stand')\
                    .filter("strftime('%d', start_time) = :dow").params(dow=Day.day)\
                    .order_by(Event.start_time)
                    
        ListEv = []
        for ev in Events:
            if ev.event_type:
                ListEv.append( {
                    #"uid":"%d/%d" % ( year, ev.uid ),
                    "headline":ev.name,
                    "startDate":ev.start_time.strftime('%Y,%m,%d,%H,%M'),
                    "endDate":ev.end_time.strftime('%Y,%m,%d,%H,%M'),                
                    "text":ev.Salle and (ev.Salle.name or "unk"),
                    "tags":ev.Salle and (ev.Salle.name or "unk") ,
                    #"status":ev.event_type,
                    "asset": {
                        "media":"", #http://jm2l.linux-azur.org/sites/jm2l.linux-azur.org/files/videos/2012/2012_Introduction_aux_logiciels_libres__Frederic_Couchet.ogv",
                        "credit":"",
                        "caption":"" }
                } )
        break
    DicResult = {
        "lang":"fr",
        "headline":"JM2L 2015",
        "type":"default",
        "startDate":"2015,11,28,10",
        "text":"<i><span class='c1'>9ème Édition</span></i>",
        "asset":
        {
            "media":"",
            "credit":"JM2L",
            "caption":""
        }
    }
    DicResult["date"] = ListEv
    return { 'timeline':DicResult }



## =-=- Here, We handle HTTP requests - Public Part -=-=
@view_config(route_name='home', renderer="jm2l:templates/NewIndex.mako")
def index_page(request):
    page = int(request.params.get('page', 1))
    paginator = Entry.get_paginator(request, page)
    profil = User.by_id(4)
    profil_form = ProfilForm(request.POST, profil, meta={'csrf_context': request.session})
    MainTab = {'programme':'','presse':'', 'plan':'', 'participer':'', 'paginator':paginator,
        "logged_in":request.authenticated_userid }
    return MainTab

@view_config(route_name='programme', renderer="jm2l:templates/Public/Programme.mako")
def programme(request):
    year = int(request.matchdict.get('year'))
    if 2006 > year:
        return HTTPBadRequest('The first JM2L event was in 2006.')
    # Query database about selected Year.
    Events = DBSession.query(Event)\
                .filter(Event.for_year == year)\
                .order_by(Event.start_time)
    Days = DBSession.query(func.strftime('%d-%m-%Y', Event.start_time))\
                .filter(Event.for_year == year)\
                .filter(Event.event_type != None)\
                .group_by(func.strftime('%d', Event.start_time)).all()
    ListDay = []
    for day in Days:
        RefDay = datetime.datetime.strptime(day[0],'%d-%m-%Y')
        ListDay.append( ( RefDay.strftime('%A %d %b %Y'), 
                          RefDay.strftime('%d') ) )
    MainTab = {'programme':'active','presse':'', 'plan':'', 'participer':'', 'DisplayYear':year, \
        'Events':Events, 'Event':Event, 'Days':ListDay, "logged_in":request.authenticated_userid  }
    return MainTab

@view_config(route_name='presse', renderer="jm2l:templates/Public/Presse.mako")
def static_presse(request):
    year = int(request.matchdict.get('year', None))
    content = DBSession.query(JM2L_Year).filter(JM2L_Year.year_uid==year).first()
    MainTab = {'programme':'','presse':'active', 'plan':'', 'participer':'',
    "logged_in":request.authenticated_userid, 'content':content, 'DisplayYear':year}
    return MainTab

@view_config(route_name='edit_presse', renderer="jm2l:templates/Staff/EditPresse.mako")
def edit_presse(request):
    year = int(request.matchdict.get('year', None))
    content = DBSession.query(JM2L_Year).filter(JM2L_Year.year_uid==year).first()
    form = DossPresse(request.POST, content, meta={'csrf_context': request.session})
    if request.method == 'POST' and form.validate():
        form.populate_obj(content)
    MainTab = {'programme':'','presse':'active', 'plan':'', 'participer':'',
    "logged_in":request.authenticated_userid, 'form':form, 'DisplayYear':year}
    
    return MainTab

@view_config(route_name='plan', renderer="jm2l:templates/Public/Plan.mako")
def static_plan(request): 
    MainTab = {'programme':'','presse':'', 'plan':'active', 'participer':'',
        "logged_in":request.authenticated_userid }
    return MainTab

## =-=- Here, We handle HTTP requests - Staff Logged Part -=-=
@view_config(route_name='list_task', renderer='jm2l:templates/Staff/list.mako')
def list_view(request):
    DicTask = {}
    taskgroup = DBSession.query( TasksArea ).all()
    for grp in taskgroup:
        tasks = DBSession.query( Tasks )\
            .filter( Tasks.area_uid==grp.uid )\
            .order_by(Tasks.closed, Tasks.due_date).all()
        DicTask[grp] = tasks
    return {'tasks': DicTask }


@view_config(route_name='handle_task', renderer='jm2l:templates/Staff/tasks.mako')
def tasks(request):
    task_id = request.matchdict.get('task_id')
    if task_id:
        Task = Tasks.by_id(int(task_id))
        if not Task:
            raise HTTPNotFound()
        form = EditStaffTasks(request.POST, Task, meta={'csrf_context': request.session})
    else:
        Task = Tasks()
        form = StaffTasks(request.POST, Task, meta={'csrf_context': request.session})
    # Put some areas on form
    Areas = DBSession.query(TasksArea.uid, TasksArea.name)\
                .order_by('name').all()
    form.area_uid.choices = Areas
    # Put some users on form
    Users = DBSession.query(User)\
                .filter(User.Staff==1)\
                .order_by('nom').all()
    form.closed_by.choices = [(u.uid, "%s %s" % (u.nom, u.prenom)) 
        for u in Users]
    if request.method == 'POST' and form.validate():
        form.populate_obj(Task)
        Task.closed = False
        if 'uid' in form._fields.keys():
            DBSession.merge(Task)
        else:
            DBSession.add(Task)
        return HTTPFound(location=request.route_url('list_task'))
    return {'form':form }


@view_config(route_name='handle_pole', renderer='jm2l:templates/Staff/pole.mako')
def tasks_area(request):
    pole_id = request.matchdict.get('pole_id')
    if pole_id:
        Pole = TasksArea.by_id(int(pole_id))
        if not Pole:
            raise HTTPNotFound()
        form = EditStaffArea(request.POST, Pole, meta={'csrf_context': request.session})
    else:
        Pole = TasksArea()
        form = StaffArea(request.POST, Pole, meta={'csrf_context': request.session})
    if request.method == 'POST' and form.validate():
        form.populate_obj(Pole)
        if 'uid' in form._fields.keys():
            DBSession.merge(Pole)
        else:
            DBSession.add(Pole)
        return HTTPFound(location=request.route_url('list_task'))
    return {'form':form }

@view_config(route_name='action_task')
def action_task(request):
    action = request.matchdict.get('action')
    task_id = request.matchdict.get('task_id')
    raise 'test'
    Task = Tasks.by_id(int(task_id))
    if action=='close':
        Task.closed = True
    if action=='open':
        Task.closed = False
    DBSession.merge(Task)
    request.session.flash('Task was successfully closed!')
    return HTTPFound(location=request.route_url('list_task'))


## =-=- Here, We handle HTTP requests - User Logged Part -=-=

@view_config(route_name='exchange', renderer="jm2l:templates/Logistique/Logistique.mako")
def exchange(request):
    modtype = request.matchdict.get('modtype', None)
    action  = request.matchdict.get('action', None)
    uid = int(request.matchdict.get('id', -1))
    Exch = Exchange.by_id(uid)
    if not Exch:
        MainTab = {
            'Exchanges':Exchange,
            'Type':modtype[-1:],
            'reload':True,
            'logged_in':request.authenticated_userid
        }
        return MainTab        
        
    if action in ['delete', 'accept', 'refuse', 'deal']:
        if action=='delete':   # delete exchange
            DBSession.delete(Exch)
        elif action=='accept': # accept exchange
            Exch.exch_done=True
            DBSession.merge(Exch)
        elif action=='refuse': # refuse exchange
            Exch.exch_done=False
            if Exch.exch_state=="Ask":
                Exch.provider_id = None
            elif Exch.exch_state=="Proposal":
                Exch.asker_id = None
            DBSession.merge(Exch)
        elif action=='deal':
            # ask to deal the exchange
            if Exch.exch_state=="Ask":
                Exch.provider_id = request.user.uid
            elif Exch.exch_state=="Proposal":            
                Exch.asker_id = request.user.uid
        # Return javascript to parent page
        response = render_to_response('jm2l:templates/modals_js.mako', 
            {'modtype':modtype, 'action':action},
            request=request)
        response.content_type = 'text/javascript'
        return response      
    else:
        MainTab = {
            'Exchanges':Exchange,
            'Type':modtype[-1:],
            'reload':True,
            'logged_in':request.authenticated_userid
        }
        return MainTab

@view_config(route_name='jm2l', renderer="jm2l:templates/jm2l.mako")
def jm2l_page(request):
    if request.user is None:    
        # Don't answer to users that aren't logged
        return HTTPUnauthorized('You have to be logged to hope an answer.')
    page = int(request.params.get('page', 1))
    UserNum = request.params.get('user')

    if UserNum:
        profil = User.by_id(int(UserNum))
        if not profil:
            raise HTTPNotFound()
    else:
        profil = request.user
    # Build Form
    profil_form = ProfilForm(request.POST, profil, meta={'csrf_context': request.session})
    if request.method == 'POST' and profil_form.validate():
        ToDelete = list()
        # First, we remove entries no more present
        for obj in profil_form.tiersship.object_data:
            MatchEntry = filter( lambda x: x.object_data and x.object_data._sa_instance_state == obj._sa_instance_state, 
                    profil_form.tiersship.entries )
            if not MatchEntry:
                ToDelete.append(obj)
        # Then, it's time to consider new entries
        for entry in profil_form.tiersship.entries:
            if entry.object_data is None:
                TmpUser = User_Tiers()
                entry.object_data = TmpUser
                profil.tiersship.append(TmpUser)
                profil_form.tiersship.object_data = profil.tiersship
        profil_form.populate_obj(profil)
        # We should remove it as it's not in original data
        for obj in ToDelete:
            #profil.tiersship.remove(obj)
            DBSession.delete(obj)
        profil.last_change = datetime.datetime.utcnow()
        profil.slug = slugify(remove_accents('%s %s' % (profil.prenom, profil.nom)).lower().strip())
        DBSession.merge(profil)
    MainTab = {'participer':'active',
        'Places':Place.get_list(False),
        'DBTiers':Tiers,
        'DBTiersOpt':TiersOpt,
        'Exchanges':Exchange,
        'profil_form':profil_form,     
        'uprofil':profil,
        'logged_in':request.authenticated_userid        
    }
    return MainTab

@view_config(route_name='modal', renderer="jm2l:templates/modals.mako")
def Modal(request):
    year = int(request.matchdict.get('year', None))
    modtype = request.matchdict.get('modtype', None)
    uid = int(request.matchdict.get('id', -1))
    session = request.session
    if modtype=='UserPicture':
        form = None
    if modtype=='Place':
        if uid>0:
            place = Place.by_id(uid)
            if not place:
                raise HTTPNotFound()
            form = PlaceUpdateForm(request.POST, place, meta={'csrf_context': request.session})
        else:
            place = Place()
            form = PlaceCreateForm(request.POST, meta={'csrf_context': request.session})
        if request.method == 'POST' and form.validate():
            form.populate_obj(place)
            place.created_by=request.user.uid
            if uid>0:
                DBSession.merge(place)                
            else:
                DBSession.add(place)
            response = render_to_response('jm2l:templates/modals_js.mako', 
                {'modtype':modtype},
                request=request)
            response.content_type = 'text/javascript'
            return response
    if modtype in ['AskC', 'AskH', 'AskM', 'PropC', 'PropH', 'PropM']:
        if uid>0:
            Exch = Exchange.by_id(uid)
            if not Exch:
                raise HTTPNotFound()
            if modtype in ['AskC','PropC']:
                form = globals()["Update%sForm" % modtype](request.POST, Exch,
                    start_place = Exch.Itin.start_place,
                    arrival_place = Exch.Itin.arrival_place,
                    Hour_start = Exch.start_time.strftime("%H:%M"),
                    Day_start = Exch.start_time.strftime("%w"),
                    exch_id = uid, meta={'csrf_context': request.session}
                )
            elif modtype in ['AskM','PropM']:
                form = globals()["Update%sForm" % modtype](request.POST, Exch,
                    description = Exch.description,
                    exch_categ = Exch.exch_categ,
                    Hour_start = Exch.start_time.strftime("%H:%M"),
                    Day_start = Exch.start_time.strftime("%w"),
                    Hour_end = Exch.end_time.strftime("%H:%M"),
                    Day_end = Exch.end_time.strftime("%w"),                    
                    exch_id = uid, meta={'csrf_context': request.session}
                )
            elif modtype in ['AskH','PropH']:
                form = globals()["Update%sForm" % modtype](request.POST, Exch,
                    description = Exch.description,
                    exch_categ = Exch.exch_categ,
                    Day_start = Exch.start_time.strftime("%w"),              
                    exch_id = uid, meta={'csrf_context': request.session}
                )
            # Itinerary, first get itinerary
            if 0:
                form.itin.form.start_place.data = Exch.Itin.start_place
                form.itin.form.arrival_place.data = Exch.Itin.arrival_place
                form.dateform.form.Hour.data = Exch.start_time.strftime("%H:%M")
                form.dateform.form.Day.data = Exch.start_time.strftime("%w")
                form.exch_id.data = uid
        else:
            Exch = Exchange()
            form = globals()["%sForm" % modtype](request.POST, meta={'csrf_context': request.session})
        if modtype in ['AskC', 'PropC']:
            # Put some place on form
            Places = DBSession.query(Place.place_id, Place.display_name)\
                        .order_by('name').all()
            form.start_place.choices = Places
            form.arrival_place.choices = Places
        if modtype in ['PropH']:
            form.exch_categ.choices = DBSession.query( Exchange_Cat.cat_id, Exchange_Cat.exch_subtype)\
                                .filter( Exchange_Cat.exch_type=='H' ).all()
            form.place_id.choices = DBSession.query( Place.place_id, Place.display_name)\
                                .filter( Place.created_by==request.user.uid ).all()
        if modtype in ['AskM', 'PropM']:
            form.exch_categ.choices = DBSession.query( Exchange_Cat.cat_id, Exchange_Cat.exch_subtype)\
                                .filter( Exchange_Cat.exch_type=='M' ).all()

        if request.method == 'POST' and form.validate():
            # Form has been validated, it's time to create our Exchange
            Exch.for_year = year            
            Exch.exch_state = {'Ask':'Ask', 'Prop':'Proposal'}[modtype[:-1]]     
            Exch.exch_type = modtype[-1:]  
            if modtype in ['AskC', 'PropC']:
                # Itinerary, first Let's see if itinerary exist
                Itinerary = DBSession.query(Itineraire)\
                    .filter(Itineraire.start_place==form.start_place.data) \
                    .filter(Itineraire.arrival_place==form.arrival_place.data) \
                    .filter(Itineraire.tr_voiture==True) \
                    .first()
                if not Itinerary: # Not exist yet !
                    Itinerary = Itineraire(start_place=form.start_place.data, \
                        arrival_place=form.arrival_place.data, \
                        tr_voiture=True, \
                        created_by=1
                    )
                DBSession.add(Itinerary)
                DBSession.flush()                                 
                Exch.itin_id = Itinerary.itin_id
            # Start Time
            StartEvent = DBSession.query(JM2L_Year.start_time).filter(JM2L_Year.year_uid==year).first()
            Week = StartEvent[0].strftime("%W")
            # populate
            form.populate_obj(Exch)
            if modtype in ['AskC', 'PropC']:            
                Exch.itin_id = Itinerary.itin_id
            if form._fields.has_key("Hour_start"):
                TargetTime = datetime.datetime.strptime('%d %d %d %s' % (year, int(Week), \
                    int(form.Day_start.data), form.Hour_start.data), "%Y %W %w %H:%M")
                Exch.start_time = TargetTime
            elif form._fields.has_key("Day_start"):
                TargetTime = datetime.datetime.strptime('%d %d %d' % (year, int(Week), \
                    int(form.Day_start.data)), "%Y %W %w")
                Exch.start_time = TargetTime

            if form._fields.has_key("Hour_end"):
                TargetTime = datetime.datetime.strptime('%d %d %d %s' % (year, int(Week), \
                    int(form.Day_end.data), form.Hour_end.data), "%Y %W %w %H:%M")
                Exch.end_time = TargetTime
            elif form._fields.has_key("Day_end"):
                TargetTime = datetime.datetime.strptime('%d %d %d' % (year, int(Week), \
                    int(form.Day_end.data)), "%Y %W %w")
                Exch.end_time = TargetTime

            Exch.last_change = datetime.datetime.utcnow()
            if Exch.exch_state=='Ask':
                Exch.asker_id = request.user.uid          
            elif Exch.exch_state=='Proposal':
                Exch.provider_id = request.user.uid
            #print vars(form.itin.form)
            if uid>0:
                DBSession.merge(Exch)          
            else:
                DBSession.add(Exch)
            response = render_to_response('jm2l:templates/modals_js.mako', 
                {'modtype':modtype},
                request=request)
            response.content_type = 'text/javascript'
            return response            
        # Fallback to HTML Display with errors
        return {'modtype':modtype, 'form':form, 'update':uid>0,
            'logged_in':request.authenticated_userid }
    if modtype in ['ShowC', 'ShowH', 'ShowM']:
        if uid>0:
            Exch = Exchange.by_id(uid)
            if not Exch:
                raise HTTPNotFound()
        else:
            raise HTTPNotFound()            
        # Show Details around the Current Exchange
        return {'modtype':modtype, 'Exch':Exch, 'logged_in':request.authenticated_userid }
    
    MainTab = {'modtype':modtype, 'form':form, 'update':uid>0, 'uid':uid,
            'DisplayYear':year, 'session':session,
            'logged_in':request.authenticated_userid }
    return MainTab

@view_config(route_name='participer', renderer="jm2l:templates/Participer.mako")
def participer(request):
    session = request.session
    session['year'] = 2015
    TmpUsr = User()
    form = UserRegisterForm(request.POST, TmpUsr, meta={'csrf_context': request.session})
    MyLink=None
    if request.method == 'POST' and form.validate():
        form.populate_obj(TmpUsr)
        TmpUsr.nom = TmpUsr.nom.capitalize()
        TmpUsr.prenom = TmpUsr.prenom.capitalize()
        TmpUsr.slug = slugify(remove_accents('%s %s' % (form.prenom, form.nom)).lower().strip())
        TmpUsr.password = TmpUsr.my_hash
        if len(TmpUsr.slug):
            CheckExist = DBSession.query(User)\
                .filter(User.slug==TmpUsr.slug)\
                .first()
        else:
            CheckExist=None
        if CheckExist:
            MyLink = CheckExist.my_hash
        else:
            DBSession.add(TmpUsr)
            DBSession.flush()
            MyLink = TmpUsr.my_hash
    MainTab = {'programme':'','presse':'', 'plan':'', 
            'participer':'active', 'form':form, "link": MyLink,
            'logged_in':request.authenticated_userid }
    return MainTab   

@view_config(route_name='year')
def change_year(request):
    year = int(request.matchdict.get('year', -1))
    session = request.session
    if year>-1:
        session['year'] = year
        return HTTPFound(location='/%s/le-programme' % year)
    return HTTPFound(location=request.route_url('home'))

@view_config(route_name='event', renderer="jm2l:templates/view_event.mako")
def show_event(request):
    year = int(request.matchdict.get('year', -1))    
    event_id = request.matchdict.get('event_id')
    if event_id.isdigit():
        TheEvent = Event.by_id(event_id)
        if TheEvent is None:
            raise HTTPNotFound()
    else:
        TheEvent = Event.by_slug(event_id, year)
        if TheEvent is None:
            raise HTTPNotFound()
    MainTab = {'programme':'','presse':'', 'plan':'', 'participer':'', 
        'event':TheEvent, 'logged_in':request.authenticated_userid }
    return MainTab

@view_config(route_name='link_event')
def link_event(request):
    """ Create user if not exist, add it to current event """
    year = int(request.matchdict.get('year', -1))
    form = AddIntervenant(request.POST, meta={'csrf_context': request.session})
    intervention = request.matchdict.get('intervention', None)    
    TargetEvent = Event.by_id(form.event_uid.data)
    Exist = DBSession.query(User)\
        .filter(User.nom==form.nom.data)\
        .filter(User.prenom==form.prenom.data)\
        .first()
    if Exist:
        TargetUser = Exist
    else:
        # Add it to user base
        TargetUser = User(nom=form.nom.data, 
            prenom=form.prenom.data, password=form.nom.data)
        DBSession.add(TargetUser)
        DBSession.flush()

    uev = User_Event(year_uid=year, role="Animateur", user_uid=TargetUser.uid)
    TargetEvent.interventions.append( uev )
            
    return HTTPFound(location=request.route_url('edit_event', sep='/',
        year=str(year), intervention=intervention, uid=str(TargetEvent.uid)))

@view_config(route_name='edit_event', renderer="jm2l:templates/edit_event.mako")
def edit_event(request):
    year = int(request.matchdict.get('year', -1))
    event_id = request.matchdict.get('event_id')    
    intervention = request.matchdict.get('intervention', None)
    IntervLabel = intervention.replace('_',' ').lower()
    if intervention=='Conference': 
        IntervLabel = u'conférence'
    # Check intervention
    if not intervention in ['Stand', 'Table ronde', 'Atelier', 'Conference']:
        raise HTTPNotFound(u"Ce type d'évenement n'est pas reconnu")
    TheYear = DBSession.query(JM2L_Year)\
            .filter(JM2L_Year.year_uid==year)\
            .all()
    # Check year avaibility
    if not TheYear:
        raise HTTPNotFound(u"Cette année n'est pas pris en charge")
    # Generate Timeslots for current year
    TimeSlots = list(enumerate( [ x.strftime('%a %d %b %H:%M') for x in
            TheYear[0].AvailableTimeSlots ] ))

    if event_id:
        # We try to update an existing record
        if event_id.isdigit():
            TheEvent = Event.by_id(event_id)
            if TheEvent is None:
                raise HTTPNotFound(u"Cette réference n'existe pas")
        else:
            TheEvent = Event.by_slug(event_id, year)
            if TheEvent is None:
                raise HTTPNotFound(u"Cette réference n'existe pas")

        if not (request.user.uid==1 or request.user in TheEvent.intervenants):
            return HTTPForbidden(u"Vous n'êtes pas identifié comme étant un participant à cette intervention.")
        # Compute some field value from selected event
        if TheEvent.start_time in TheYear[0].AvailableTimeSlots:
            start_sel = TheYear[0].AvailableTimeSlots.index(TheEvent.start_time)
        else:
            start_sel = len(TimeSlots)            
            TimeSlots.append( (len(TimeSlots), TheEvent.start_time.strftime('%a %d %b %H:%M')))            
        duration = (TheEvent.end_time - TheEvent.start_time).total_seconds()/60
        end = TheEvent.start_time + datetime.timedelta(minutes=duration)
        # prepare the form with update 
        form = ConfUpdateForm(request.POST, TheEvent, start_sel=start_sel, duration=duration, end_time=end,
            meta={'csrf_context': request.session} )
        # Customize labels
        form.name.label.text += IntervLabel
        form.description.label.text += IntervLabel
        # Each event can get severals members
        formAdd = AddIntervenant(event_uid=TheEvent.uid)
    else:
        TheEvent = Event()
        # prepare the form for creation
        form = ConfCreateForm(request.POST,
                event_type=intervention,
                for_year=str(year), meta={'csrf_context': request.session}
                )
        # Customize labels
        form.name.label.text += IntervLabel
        form.description.label.text += IntervLabel
        duration=60
        # No intervenant
        formAdd = None

    if intervention=="Conference":
        form.duration.choices =[ 
              (15,u'Lighting talk ( 5 min)'),
              (30,u'Conférence    (20 min)'),
              (60,u'Conférence    (50 min)'),
              (90,u'Conférence    (75 min)'),
            ]
        if not duration in [15, 30, 60, 90]:
            form.duration.choices.append( (duration,u'Conférence    (%d min)' % duration) )
        if not form._fields.has_key("uid"):            
            form.duration.data=60
    elif intervention=="Stand":
        form.duration.choices =[ 
            (8*60, u'Toute la journée'),        
            (4*60, u'une demi-journée')
        ]
    elif intervention=="Atelier":
        form.duration.choices = map( lambda d:(d, u'Atelier (%dh%.2d)' % (d/60, d%60) ), \
                [60, 90, 120, 150, 180, 210, 240] )
        if not duration in map(lambda (d,y): d, form.duration.choices):
            form.duration.choices.append( (duration,u'Atelier (%dh%.2d)' % (duration/60, duration%60) ) )
    elif intervention=="Table_Ronde":
        form.duration.choices = map( lambda d:(d, u'Table ronde (%dh%.2d)' % (d/60, d%60) ), \
                [60, 90, 120, 150] )
        if not duration in map(lambda (d,y): d, form.duration.choices):
            form.duration.choices.append( (duration,u'Table ronde (%dh%.2d)' % (duration/60, duration%60) ) )                    
    else:
        return HTTPForbidden(u"Pas encore disponible.")
        
    SalleDispo = DBSession.query(Salles)\
            .filter(Salles.year_uid==year)\
            .order_by('name')
            
    form.salle_uid.choices = [(s.salle_id, s.name) for s in SalleDispo]
    form.start_sel.choices = TimeSlots
    
    if request.method == 'POST' and form.validate():
        form.populate_obj(TheEvent)
        TheEvent.start_time = TheYear[0].AvailableTimeSlots[form.start_sel.data]
        TheEvent.end_time = TheEvent.start_time + datetime.timedelta(minutes=form.duration.data)
        # Ok, time to put in database
        if not form._fields.has_key("uid"):
            TheEvent.slug = slugify(TheEvent.name)
            DBSession.add(TheEvent)
            # Append creator by default
            if request.user.uid!=1:
                uev = User_Event(year_uid=TheYear.year_uid, role="Animateur")
                uev.user_uid = request.user.uid
                TheEvent.interventions.append( uev )
            DBSession.flush()
            return HTTPFound(location=request.route_url('edit_event', sep='/',
                year=str(year), intervention=intervention, event_id=str(TheEvent.slug)))
        else:
            DBSession.merge(TheEvent)
            
    MainTab = {'programme':'','presse':'', 'plan':'', 'participer':'',
            'event':TheEvent, 'form':form, 'formAdd':formAdd,
            'logged_in':request.authenticated_userid }
            
    return MainTab

@view_config(route_name='entities', renderer="jm2l:templates/list_tiers.mako")
def list_tiers(request):
    Entities = dict()
    EntityType = DBSession.query(TiersOpt.entity_type)\
            .group_by(TiersOpt.entity_type).all()
    for EType in EntityType:
        Entities[EType.entity_type] = DBSession.query(Tiers).join(TiersOpt)\
            .filter(TiersOpt.entity_type==EType.entity_type)\
            .order_by(TiersOpt.entity_subtype, Tiers.name)
    MainTab = {'programme':'','presse':'', 'plan':'', 'participer':'', 
        'entities':Entities, 'logged_in':request.authenticated_userid }
    return MainTab

@view_config(route_name='show_entity', renderer="jm2l:templates/view_tiers.mako")
def show_tiers(request):
    tiers_type = request.matchdict.get('tiers_type')
    entity_id = request.matchdict.get('entity_id')
    if entity_id.isdigit():
        TheTiers = Tiers.by_id(entity_id)
        if TheTiers is None:
            raise HTTPNotFound()
    else:
        TheTiers = Tiers.by_slug(entity_id)
        if TheTiers is None:
            raise HTTPNotFound()        
    MainTab = {'programme':'','presse':'', 'plan':'', 'participer':'', 
        'entity':TheTiers, 'logged_in':request.authenticated_userid }
    return MainTab

@view_config(route_name='add_entity', renderer="jm2l:templates/edit_tiers.mako")
@view_config(route_name='edit_entity', renderer="jm2l:templates/edit_tiers.mako",
    permission='edit')
def edit_tiers(request):
    entity_id = request.matchdict.get('entity_id', None)
    TargetList = list()
    entity_types = DBSession.query(TiersOpt.entity_type).group_by(TiersOpt.entity_type).all()
    for entity_type in entity_types:
        entity_subtypes = DBSession.query(TiersOpt)\
            .filter(TiersOpt.entity_type==entity_type.entity_type)\
            .group_by(TiersOpt.entity_subtype).all()
        ListType = [(i.uid, i.entity_subtype) for i in entity_subtypes]
        TargetList.append( (entity_type.entity_type, ListType) )
    if entity_id:
        if entity_id.isdigit():
            TheTiers = Tiers.by_id(entity_id)
            if TheTiers is None:
                raise HTTPNotFound()
        else:
            TheTiers = Tiers.by_slug(entity_id)
            if TheTiers is None:
                raise HTTPNotFound()
        form = UpdateTiersForm(request.POST,  TheTiers, meta={'csrf_context': request.session})
        UserOptions = DBSession.query(TiersOpt)\
            .filter(TiersOpt.entity_type==TheTiers.tiers_type)\
            .all()
        form.tiers_type.choices = TargetList
    else:
        TheTiers = Tiers()
        # prepare the form for creation
        form = TiersForm(request.POST, TheTiers, meta={'csrf_context': request.session})
        form.tiers_type.choices = TargetList
        UserOptions = list()

    #test_form = TiersForm(request.POST, TheTiers, meta={'csrf_context': request.session})
    if request.method == 'POST' and form.validate():
        ToDelete = list()
        # First, we remove entries no more present
        for obj in form.membership.object_data:
            MatchEntry = filter( lambda x: x.object_data and x.object_data._sa_instance_state == obj._sa_instance_state, 
                    form.membership.entries )
            if not MatchEntry:
                ToDelete.append(obj)
        # We should remove it as it's not in original data
        for obj in ToDelete:
            TheTiers.membership.remove(obj)
            DBSession.delete(obj)
        # Then, it's time to consider new entries
        for entry in form.membership.entries:
            if entry.object_data is None:
                TmpUser = User_Tiers()
                entry.object_data = TmpUser
                TheTiers.membership.append(TmpUser)
                form.membership.object_data = TheTiers.membership
        form.populate_obj(TheTiers)
        # Handle Remove of accents
        TheTiers.slug = slugify(form.name.data)
        if not form._fields.has_key('uid'):
            TheTiers.creator_id = request.user.uid
            DBSession.add(TheTiers)
            DBSession.flush()
            return HTTPFound(location=request.route_url('edit_entity', sep='/', 
                entity_id=str(TheTiers.slug), tiers_type=TheTiers.get_entity_type.entity_type))
        DBSession.merge(TheTiers)
        return HTTPFound(location=request.route_url('entities'))        
    MainTab = {'programme':'','presse':'', 'plan':'', 'participer':'', 
    'form':form, 'DBUser':User, 'UserOptions':UserOptions, 
    'logged_in':request.authenticated_userid }
    return MainTab 

@view_config(route_name='edit_entity_cat', renderer="jm2l:templates/edit_tiers_categ.mako")
def edit_tiers_category(request):
    DicResult = dict()
    ListChanges = list()
    if request.method == 'POST':
        # Reformat data
        RegExist = re.compile('collection\[(?P<slug>[\w-]+)\]\[(?P<num>\d+)\]\[(?P<id>\d+)\]')
        RegTitle = re.compile('collection\[(?P<slug>[\w-]+)\]\[title]')
        RegNew   = re.compile('collection\[(?P<slug>[\w-]+)\]\[(?P<num>\d+)\]\[id\]')        
        for key, value in request.POST.iteritems():
            regN= RegNew.match(key)
            regT= RegTitle.match(key)
            reg = RegExist.match(key)                                
            if reg:
                if not DicResult.has_key(reg.group('slug')):
                    DicResult[reg.group('slug')] = dict()
                
                if DicResult[reg.group('slug')].has_key('items'):
                    DicResult[reg.group('slug')]['items'].append( ( int(reg.group('id')), value ) )
                else:
                    DicResult[reg.group('slug')]['items'] = [ ( int(reg.group('id')), value ) ]
            elif regN:
                if not DicResult.has_key(regN.group('slug')):
                    DicResult[regN.group('slug')] = dict()
                    
                if DicResult[regN.group('slug')].has_key('items'):
                    DicResult[regN.group('slug')]['items'].append( ( 'id', value ) )
                else:
                    DicResult[regN.group('slug')]['items'] = [ ( 'id', value ) ]
                ListChanges.append(('add', 0, DicResult[regN.group('slug')]['title'], value))
            elif regT:
                if not DicResult.has_key(regT.group('slug')):
                    DicResult[regT.group('slug')] = dict()
                DicResult[regT.group('slug')]['title'] = value
            else:
                raise

        for opt in DBSession.query(TiersOpt).all():
            if DicResult.has_key(opt.slug_entity_type):
                found = filter( lambda (x,y): opt.uid==x, 
                    DicResult[opt.slug_entity_type].get('items', []))
                if not found:
                    ListChanges.append(('remove', opt.uid, opt.entity_type, opt.entity_subtype))
                else:
                    for tst in found:
                        # Check changes on Cat Name
                        if DicResult[opt.slug_entity_type]['title']!=opt.entity_type or \
                            tst[1]!=opt.entity_subtype:
                            ListChanges.append(('changed', opt.uid, 
                                DicResult[opt.slug_entity_type]['title'],
                                tst[1]))
            else:
                ListChanges.append(('remove', opt.uid, opt.entity_type, opt.entity_subtype))
                
        # Do The change
        for action, uid, entity, subentity in ListChanges:
            if action=="changed":
                opt = TiersOpt.by_id(uid)
                opt.entity_type = entity
                opt.entity_subtype = subentity
            elif action=="remove":
                opt = TiersOpt.by_id(uid)
                DBSession.delete(opt)
            elif action=="add":
                opt = TiersOpt()
                opt.entity_type = entity
                opt.entity_subtype = subentity
                DBSession.add(opt)
                
    MainTab = {'programme':'','presse':'', 'plan':'', 'participer':'', 
        'logged_in':request.authenticated_userid, 'TiersOpt':TiersOpt }
    return MainTab    

@view_config(route_name='show_user', renderer="jm2l:templates/view_user.mako")
def show_user(request):
    user_slug = request.matchdict.get('user_slug', None)
    # Query database
    DispUser = User.by_slug(user_slug)
    MainTab = {'programme':'','presse':'', 'plan':'', 'participer':'', 
        'DispUser':DispUser, 'logged_in':request.authenticated_userid }    
    return MainTab


#@view_config(route_name='link_user_entity')
def link_user_entity(request):
    uid = int(request.matchdict.get('uid', -1))
    year = int(request.matchdict.get('year', -1))
    user_id = int(request.matchdict.get('uid', -1))
    TheTiers = Tiers.by_id(uid)
    if TheTiers is None:
        raise HTTPNotFound()
    return HTTPFound(location=request.route_url('edit_entity', uid=uid) )
            
#@view_config(route_name='link_role_entity')
def link_role_entity(request):
    uid = int(request.matchdict.get('uid', -1))
    year = int(request.matchdict.get('year', -1))   
    role_id = int(request.matchdict.get('role_id', -1))
    TheTiers = Tiers.by_id(uid)
    if TheTiers is None:
        raise HTTPNotFound()
    return HTTPFound(location=request.route_url('edit_entity', uid=uid) )    

@notfound_view_config()
def notfound(reason, request):
    request.response.status = 404
    return render_to_response('jm2l:templates/Errors/404.mak', { "reason":reason },
        request=request)


@forbidden_view_config()
def forbidden(reason, request):
    return Response('forbidden')
    request.response.status = 404
    return render_to_response('jm2l:templates/Errors/404.mak', { "reason":reason },
        request=request)