##parameters=REQUEST
# $Id: allocate_reserved_bed.py 1451 2007-02-20 22:17:41Z joachim $
"""
process the the accommodation reservation
"""
import DateTime
current = DateTime.DateTime()
pr = context.portal_registration
wftool = context.portal_workflow
lt = context.portal_layouts
mtool = context.portal_membership
member = mtool.getAuthenticatedMember()
acco_cat = context.portal_accommodation
import logging
logger = logging.getLogger('Skins.allocate_reserved_bed')

#change = REQUEST.has_key("allocate_and_change")
change = False
release = REQUEST.has_key("release")
allocate = REQUEST.has_key("allocate")
validate = release or change or (allocate and
           REQUEST.get("allocate").startswith('Allocate'))
mode = 'create'
d = {}
rendered,psm,ds = lt.renderLayout(layout_id= 'acco_bed_booking',
                      schema_id= 'acco_bed_booking',
                      context=context,
                      mapping=validate and REQUEST,
                      ob=d,
                      layout_mode='edit',
                      commit = False
                      )
if psm == 'invalid':
    psm = "Please correct your input."
    return context.allocate_reserved_bed_form(rendered = rendered,
                                 psm = psm,
                                 #psm = "%s, %s" % (psm,ds),
                                 mode = mode,
                                 formaction = "allocate_reserved_bed",
                                 button = "Allocate Bed",
                                 ds = ds,
                                 )
elif psm == '':
    return context.allocate_reserved_bed_form(rendered = rendered,
                                 psm = psm,
                                 mode = mode,
                                 formaction = "allocate_reserved_bed",
                                 button = "Allocate Bed",
                                 ds = ds,
                                 )
elif psm == 'valid':
    pass
#from Products.zdb import set_trace;set_trace()
hall_id = context.getId()
doc = context.getContent()
student = ds.get('student')
sid = ds.get('student_id')
br = ds.get('block_room')
block = br[0]
bl = ds.get('bed_letter')
bid = "%s_%s_%s" % (hall_id,br,bl)
res = acco_cat(bed = bid)
psm = ''
students = context.portal_url.getPortalObject().campus.students
student_obj = getattr(students,sid)
acco_id = "accommodation_%s" % context.getSessionId()
while True:
    if not res:
        psm = "No bed with id %s" % bid
        break
    bed_brain = res[0]
    already = acco_cat(student=sid)
    if allocate or change:
        if already and not change:
            psm = "Student %s has already reserved bed %s" % (sid, already[0].bed)
            break
        if not bed_brain.bed_type.endswith("reserved"):
            psm = "%s is not a reserved bed" % bid
            break
        if bed_brain.student and not change:
            psm = "Bed %s already reserved for %s" % (bid,bed_brain.student)
            break
        if student.sex and not block in doc.blocks_for_female:
            psm = "Sex does not match %s" % bid
            break
    if release:
        if acco_id in student_obj.objectIds():
            acco_doc = getattr(student_obj, acco_id).getContent()
            if acco_doc.bed == bid:
                psm = "Student %s has already booked (and paid) bed %s" % (sid, bid)
                break
        if not already:
            psm = "Student %s has no reserved bed" % (sid)
            break
        if not bed_brain.bed_type.endswith("reserved"):
            psm = "%s is not a reserved bed" % bid
            break
        if not bed_brain.student:
            psm = "Bed %s not allocated" % (bid)
            break
    break

if psm != '':
    return context.allocate_reserved_bed_form(rendered = rendered,
                                 psm = psm,
                                 mode = mode,
                                 ds = ds,
                                 formaction = "allocate_reserved_bed",
                                 button = "Allocate Bed",
                                 )
if change:
    for bed in already:
        acco_cat.modifyRecord(bed=bed.bed,student='')

if allocate or change:
    acco_cat.modifyRecord(bed = bid, student = sid)
    if acco_id in student_obj.objectIds():
        acco_doc = getattr(student_obj, acco_id).getContent()
        acco_doc.edit(mapping={'bed': bid})
    logger.info('%s booked reserved bed %s for %s' % (member,bid,sid))
    psm = "Bed %s reserved for %s %s" % (bid,sid,student.name)
elif release:
    modify = False
    if acco_id in student_obj.objectIds():
        #acco_doc = getattr(student_obj, acco_id).getContent()
        if acco_doc.bed != bid:
            modify = True
    else:
        modify = True
    if modify:
        acco_cat.modifyRecord(bed=bid,student='')
        logger.info('%s released bed %s booked by %s' % (member,bid,sid))
        psm = "%s removed from %s" % (student.name,bid)
    else:
        psm = "Removing of %s from bed %s failed" % (student.name,bid)

mode = 'view'
return context.allocate_reserved_bed_form(rendered = "",
                                 psm = psm,
                                 mode = mode,
                                 formaction = "allocate_reserved_bed",
                                 button = "Next Reservation",
                                 ds = ds,
                                 )