I've caused some confusion with my typos. Here's the code.
model
db.define_table('sessions',
Field('program_name', 'string', requires=IS_IN_DB(db,
db.programs.program_name)),
Field('session_type', 'string',
requires=IS_IN_SET(['practice', 'evaluation'], zero=None)),
Field('session_number', 'integer', default=1), # this is
the session number by program, using 0 for evaluations
Field('coach', 'string'),
Field('assistant', 'string'),
Field('session_date_time', 'datetime'),
Field('session_name', compute = lambda row:
row.program_name + ', ' + row.session_type + ' ' + str(row.session_number))
)
db.sessions.session_name.represent = lambda session_name, row:
A(row.session_name, _href=URL('demo', 'tests_for_this_eval', args=1))
# works, but is hard coded, therefore is not useful in this case
#db.sessions.session_name.represent = lambda session_name, row:
A(row.session_name, _href=URL('demo', 'tests_for_this_eval',
args=sessions.id))
# global name 'sessions' is not defined
#db.sessions.session_name.represent = lambda session_name, row:
A(row.session_name, _href=URL('demo', 'tests_for_this_eval',
args=db.sessions.id))
# does not pass sessions.id as arg
#db.sessions.session_name.represent = lambda session_name, row:
A(row.session_name, _href=URL('demo', 'tests_for_this_eval', args=row.id))
# 'Row' object has no attribute 'id'
#db.sessions.session_name.represent = lambda session_name, row:
A(row.session_name, _href=URL('demo', 'tests_for_this_eval',
args=row.sessions.id))
# 'Row' object has no attribute 'sessions'
query_sessions = (
(db.auth_user.id == db.auth_membership.user_id) &
(db.auth_membership.group_id == db.auth_group.id) &
(db.auth_group.role.like('coach'))
)
db.sessions.coach.requires = IS_IN_DB(db(query_sessions), db.auth_user.id,
'%(first_name)s %(last_name)s')
db.sessions.assistant.requires = IS_IN_DB(db(query_sessions),
db.auth_user.id, '%(first_name)s %(last_name)s')
controller
@auth.requires_membership('coach')
def show_list_of_sessions():
# get list of evaluations
evaluations =
SQLTABLE(db(db.sessions.session_type=='evaluation').select(db.sessions.id,
db.sessions.session_name),
headers=None, truncate=128
)
return dict(evaluations=evaluations)
view
{{extend 'layout.html'}}
<h3>evaluations</h3>
{{=evaluations}}
--
Resources:
- http://web2py.com
- http://web2py.com/book (Documentation)
- http://github.com/web2py/web2py (Source code)
- https://code.google.com/p/web2py/issues/list (Report Issues)
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