Hello sir i have tried all i could, still having errors in the reddit clone
application.
everything works fine except when i
implemented <h2>{{=author(user_id)}}</h2> under list_posts_by_votes.html
the errors blows when i click on the author of a comment. it does not
dislay the author's name as it showed in the toturial video.
here's it
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Traceback (most recent call last):
File "C:\Users\nsikan\Desktop\web2py\gluon\restricted.py", line 227, in
restricted
exec ccode in environment
File
"C:\Users\nsikan\Desktop\web2py\applications\mydream\views\default/list_posts_by_votes.html",
line 117, in <module>
NameError: name 'category' is not defined
here's deault.py
POSTS_PER_PAGE = 10
def get_category():
category_name = request.args(0)
category = db.category(name = category_name)
if not category:
session.flash = 'page has not been created'
redirect(URL('index'))
return category
def index():
rows = db(db.category).select()
return locals()
def create_post():
category = get_category()
db.post.category.default = category.id
form = SQLFORM(db.post).process(next='view_post/[id]')
return locals()
def edit_post():
id = request.args(0, cast=int)
form = SQLFORM(db.post, id).process(next='view_post/[id]')
return locals()
def list_posts_by_datetime():
response.view='default/list_posts_by_votes.html'
category = get_category()
page = request.args(1, cast=int, default=0)
start = page * POSTS_PER_PAGE
stop = start + POSTS_PER_PAGE
rows =
db(db.post.category==category.id).select(orderby=~db.post.created_on,
limitby=(start, stop))
return locals()
def list_posts_by_votes():
category = get_category()
page = request.args(1, cast=int, default=0)
start = page * POSTS_PER_PAGE
stop = start + POSTS_PER_PAGE
rows = db(db.post.category==category.id).select(orderby=~db.post.votes,
limitby=(start, stop))
return locals()
def list_posts_by_author():
response.view='default/list_posts_by_votes.html'
user_id = request.args(0, cast=int)
page = request.args(1, cast=int, default=0)
start = page * POSTS_PER_PAGE
stop = start + POSTS_PER_PAGE
rows =
db(db.post.created_by==user_id).select(orderby=~db.post.created_on,
limitby=(start, stop))
return locals()
def view_post():
id = request.args(0, cast=int)
post = db.post(id) or redirect(URL('index'))
comments = db(db.comm.post==post.id).select(orderby=~db.comm.created_on)
##TODO
return locals()
def vote_callback():
id = request.args(0, cast=int)
direction = request.args(1)
##TODO
return locals()
def comm_vote_callback():
id = request.args(0, cast=int)
direction = request.args(1)
##TODO
return locals()
here's lists_posts_by_votes.html
{{extend 'layout.html'}}
{{if request.function=='list_posts_by_votes':}}
<h2>{{=category.name.title()}}</h2>
{{=A('sort by datetime', _class='btn', _href=URL('list_posts_by_datetime',
args=category.name))}}
{{=A('post a new link', _class='btn btn-primary', _href=URL('create_post',
args=category.name))}}
{{elif request.function=='list_posts_by_datetime':}}
<h2>{{=category.name.title()}}</h2>
{{=A('sort by votes', _class='btn', _href=URL('list_posts_by_votes', args=
category.name))}}
{{=A('post a new link', _class='btn btn-primary', _href=URL('create_post',
args=category.name))}}
{{else:}}
<h2>{{=author(user_id)}}</h2>
{{pass}}
<hr/>
{{for post in rows:}}
<div class="well">
<table>
<tr><td><span class="votes">{{=post.votes}}
</span></td><td><strong> {{ =A(post.title,_href=post.url) if post.url else
post.title}}</strong></td></tr>
<tr><td></td><td>{{=A('comments', _href=URL('view_post', args=
post.id))}}</td></tr>
</table>
</div>
{{pass}}
{{if page>0:}}
{{=A('previous', _class='btn', _href=URL(args=(category.name, page-1)))}}
{{pass}}
{{if len(rows)>=10:}}
{{=A('next', _class='btn', _href=URL(args=(category.name, page+1)))}}
{{pass}}
here's db1.py
# -*- coding: utf-8 -*-
# -*- coding: utf-8 -*-
db.define_table('category', Field('name', requires=(IS_SLUG(),
IS_LOWER(),IS_NOT_IN_DB(db, 'category.name'))))
db.define_table('post',
Field('category', 'reference category', writable=False,
readable=False),
Field('title', 'string', requires=IS_NOT_EMPTY()),
Field('url', requires=IS_EMPTY_OR(IS_URL())),
Field('body', 'text', requires=IS_NOT_EMPTY()),
Field('votes', 'integer',default=0 , readable=False,
writable=False),
auth.signature)#created_on, created_by, modified_by,
modified_on, is_active
db.define_table('vote',
Field('post', 'reference post'),
Field('score', 'integer', default=+1),
auth.signature)
db.define_table('comm',
Field('post', 'reference post'),
Field('parent_comm', 'reference comm'),
Field('votes', 'integer' ),
Field('body', 'text', requires=IS_NOT_EMPTY()),
auth.signature)
db.define_table('comm_vote',
Field('comm', 'reference comm'),
Field('votes', 'integer',default=+1),
auth.signature)
def author(id):
if id is None:
return "Anonymous"
else:
user = db.auth_user(id)
return A('%(first_name)s %(last_name)s' % user,
_href=URL('list_posts_by_author', args=user.id))
from gluon.contrib.populate import populate
if db(db.auth_user).count()<3:
populate(db.auth_user, 100)
db.commit()
if db(db.post).count()<3:
populate(db.post, 500)
db.commit()
if db(db.comm).count()<3:
populate(db.comm, 1000)
db.commit()
please help me. I'm stuck.
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