## Script (Python) "search_students"
##bind container=container
##bind context=context
##bind namespace=
##bind script=script
##bind subpath=traverse_subpath
##parameters=REQUEST
##title=
##
# $Id: search_students.py 911 2006-11-20 15:11:29Z henrik $
"""
list Students for ClearanceOfficers
"""
import logging
logger = logging.getLogger('Skins.search_students')
#from DateTime import DateTime
#
#with_timer = True
#with_timer = False
#
request = REQUEST
form = request.form
fget = form.get
mtool = context.portal_membership
member = mtool.getAuthenticatedMember()
is_anon = mtool.isAnonymousUser()
lt = context.portal_layouts
path_info = request.get('PATH_INFO').split('/')

allowed = True
if is_anon:
    allowed = False
from Products.AdvancedQuery import Eq, Between, Le,In
try:
    aq_portal = context.portal_catalog.evalAdvancedQuery
except:
    aq_portal = context.portal_catalog_real.evalAdvancedQuery
aq_students = context.students_catalog.evalAdvancedQuery

def cmp_id(a,b):
    if a.getId() > b.getId():
        return 1
    return -1

student_subobjects = ("StudentApplication",
                      "StudentPersonal",
                      "StudentStudyCourse",
                      "StudentAccommodation",
                      "StudentStudyLevel",)

#student_objects = student_subobjects + ("Student",)
student_objects = ("Student",)

user_info = {}
items = []
validate = request.has_key("cpsdocument_edit_button")

state = "all"
user_info['member'] = str(member)
user_info['departments'] = []
user_info['faculties'] = []
co_view = False
ca_view = False
faculties =  fget('faculties')
departments = fget('departments')
certificate_levels = fget('certificate_levels')
dep_str = fac_str = certificate_levels_str = ''

if "ClearanceOfficers" in member.getGroups():
    state = "clearance_requested"
    only_review = False
    co_view = True
    if faculties or departments:
        #from Products.zdb import set_trace;set_trace()
        if faculties:
            fac_str = faculties
            faculties = faculties.split()
        if departments:
            dep_str = departments
            departments = departments.split()
    else:
        query = In('portal_type',('Faculty',)) &\
                 In('localUsersWithRoles', ("user:%s" % member,))
        res = aq_portal(query)
        logger.info('ClearanceOfficer %s initiated student_search' % member)
        faculties = []
        if res:
            faculties = [f.getId for f in res]
        user_info['faculties'] = faculties
        fac_str = " ".join(faculties)
        query = In('portal_type',('Department',)) &\
                 In('localUsersWithRoles', ("user:%s" % member,))
        res = aq_portal(query)
        departments = []
        if res:
            departments = [f.getId for f in res]
        user_info['departments'] = departments
        dep_str = " ".join(departments)
elif "CourseAdvisers" in member.getGroups():
    state = "courses_registered"
    only_review = False
    ca_view = True
    if certificate_levels:
        #from Products.zdb import set_trace;set_trace()
        certificate_levels_str = certificate_levels
        certificate_levels = certificate_levels.split()
    else:
        query = In('portal_type',('StudyLevel',)) &\
                 In('localUsersWithRoles', ("user:%s" % member,))
        res = aq_portal(query)

        logger.info('CourseAdviser %s initiated student_search' % member)
        certificate_levels = []
        if res:
            certificate_levels = ['/'.join(f.getPath().split('/')[-2:]) for f in res]
        user_info['certificate_levels'] = certificate_levels
        certificate_levels_str = " ".join(certificate_levels)

default = {'search_mode': 'student_id',
        'review_state': state,
        'search_string': ''
        }
rend,psm,ds = lt.renderLayout(layout_id= 'student_search',
                      schema_id= 'student_search',
                      context=context,
                      mapping=validate and REQUEST,
                      ob=default,
                      layout_mode='edit',
                      formaction="search_students",
                      faculties = fac_str,
                      departments = dep_str,
                      certificate_levels = certificate_levels_str,
                      commit = False,
                      )
if psm == '':
    return context.search_students_form(rendered = rend,
                             psm = psm,
                             #psm = "%s, %s" % (psm,ds),
                             info = user_info,
                             students = [],
                             allowed = allowed,
                             )
what = ds.get('search_mode')
state = ds.get('review_state')
st = term = ds.get('search_string')
err = False
with_review = state != "all"
only_review = with_review and not term
bools = "with_review = %s<br\> only_review = %s<br\>" % (with_review,only_review)
if not term and not with_review:
    psm = "You must specify a search string when searching 'all states'!"
    err = True
elif '*' in term:
    psm = "Wildcards are not supported!"
    err = True
if err:
    return context.search_students_form(rendered = rend,
                             psm = psm,
                             #psm = "%s, %s" % (psm,ds),
                             info = user_info,
                             students = items,
                             allowed = allowed,
                             )
#st_queries = ('jamb_reg_no','matric_no','name')
review_res = None
query = None
items = []
res = []
review_set = []
search_set = []
if len(term) > 0:
    if what == "student_id":
        students_folder = context.portal_url.getPortalObject().campus.students
        if hasattr(students_folder,term.strip()):
            logger.info('%s searches for student with id %s' % (member,term))
            request.RESPONSE.redirect("%s/%s" % (students_folder.absolute_url(),term))
        return context.search_students_form(rendered = rend,
                             psm = "No student found!",
                             students = [],
                             allowed = allowed,
                             )
    elif what == "department":
        res = context.students_catalog(department=term.strip())
        logger.info('%s searches for student in department %s' % (member,term))
        search_set = [r.id for r in res]
    elif what == "matric_no":
        res = context.students_catalog(matric_no=term.strip())
        logger.info('%s searches for student with matric_no %s' % (member,term))
        search_set = [r.id for r in res]
    elif what == "jamb_reg_no":
        st_l = "%s" % term.strip().lower()
        st_u = "%s" % term.strip().upper()
        res = aq_students(In('jamb_reg_no',(st_l,st_u)))
        logger.info('%s searches for student with jamb_reg_no %s' % (member,term))
        search_set = [r.id for r in res]
    elif what == "name":
        if len(term) < 4:
            return context.search_students_form(rendered = rend,
                                                psm = "Name too short!",
                                                students = [],
                                                allowed = allowed,
                                               )
        pt = ('StudentPersonal')
        query = In('portal_type',pt) & Eq('SearchableText',"%s*" % term.strip())
        logger.info('%s searches for student with name %s' % (member,term))
        res = aq_portal(query)
        if res:
            for r in res:
                pl = r.getPath().split('/')
                search_set.append(pl[pl.index('students') + 1])

if only_review or with_review or co_view:
    #query = Eq('review_state',state)
    #review_res = aq_portal(query)
    #review_res = context.portal_catalog(review_state = state)

    query = Eq('review_state',state)
    review_res = aq_students(query)
    logger.info('%s searches for students in review_state %s' % (member,state))

if co_view:
    only_review = False
    with_review = True
    query = In('faculty',faculties) | In('department',departments)
    res = aq_students(query)
    search_set = [r.id for r in res]
elif ca_view:
    only_review = False
    with_review = True
    courses = [cl.split('/')[0] for cl in certificate_levels]
    levels = [cl.split('/')[1] for cl in certificate_levels]
    query = In('course',courses) & In('level',levels)
    res = aq_students(query)
    search_set = [r.id for r in res]
if review_res:
    review_set = [r.id for r in review_res]

#from Products.zdb import set_trace;set_trace()

if only_review:
    all = review_set
elif with_review:
    all = []
    for i in search_set:
        if i in review_set:
            all.append(i)
else:
    all = search_set

items = all[:500]
students = []
if items:
    for item in items:
        stcat = context.students_catalog
        record = stcat(id = item)
        if record:
            record = record[0]
        else:
            return item+' not found in students_catalog'
        info = {}
        for field in stcat.schema() + stcat.indexes():
            info[field] = getattr(record, field)
        else:
            students.append(info)
    return context.search_students_form(rendered = rend,
                             psm = "",
                             info = user_info,
                             students = students,
                             allowed = allowed,
                             co_view = co_view,
                             ca_view = ca_view
                             )
return context.search_students_form(rendered = rend,
                             psm = "No student found!",
                             info = user_info,
                             students = students,
                             allowed = allowed,
                             )