def add(self, req, form):
        """
        Add a comment (review) to record with id recid where recid>0
        Also works for adding a remark to basket with id recid where recid<-99
        @param ln: languange
        @param recid: record id
        @param action:  'DISPLAY' to display add form
                        'SUBMIT' to submit comment once form is filled
                        'REPLY' to reply to an already existing comment
        @param msg: the body of the comment/review or remark
        @param score: star score of the review
        @param note: title of the review
        @param comid: comment id, needed for replying
        @param editor_type: the type of editor used for submitting the
                            comment: 'textarea', 'fckeditor'.
        @param subscribe: if set, subscribe user to receive email
                          notifications when new comment are added to
                          this discussion
        @return the full html page.
        """
        argd = wash_urlargd(form, {'action': (str, "DISPLAY"),
                                   'msg': (str, ""),
                                   'note': (str, ''),
                                   'score': (int, 0),
                                   'comid': (int, -1),
                                   'editor_type': (str, ""),
                                   'subscribe': (str, ""),
                                   'cookie': (str, "")
                                   })
        _ = gettext_set_language(argd['ln'])

        actions = ['DISPLAY', 'REPLY', 'SUBMIT']
        uid = getUid(req)

        # Is site ready to accept comments?
        if uid == -1 or (not CFG_WEBCOMMENT_ALLOW_COMMENTS and not CFG_WEBCOMMENT_ALLOW_REVIEWS):
            return page_not_authorized(req, "../comments/add",
                                       navmenuid='search')

        # Is user allowed to post comment?
        user_info = collect_user_info(req)
        (auth_code_1, auth_msg_1) = check_user_can_view_comments(user_info, self.recid)
        (auth_code_2, auth_msg_2) = check_user_can_send_comments(user_info, self.recid)
        if isGuestUser(uid):
            cookie = mail_cookie_create_authorize_action(VIEWRESTRCOLL, {'collection' : guess_primary_collection_of_a_record(self.recid)})
            # Save user's value in cookie, so that these "POST"
            # parameters are not lost during login process
            msg_cookie = mail_cookie_create_common('comment_msg',
                                                    {'msg': argd['msg'],
                                                     'note': argd['note'],
                                                     'score': argd['score'],
                                                     'editor_type': argd['editor_type'],
                                                     'subscribe': argd['subscribe']},
                                                    onetime=True)
            target = '/youraccount/login' + \
                make_canonical_urlargd({'action': cookie, 'ln' : argd['ln'], 'referer' : \
                CFG_SITE_URL + user_info['uri'] + '&cookie=' + msg_cookie}, {})
            return redirect_to_url(req, target, norobot=True)
        elif (auth_code_1 or auth_code_2):
            return page_not_authorized(req, "../", \
                text = auth_msg_1 + auth_msg_2)

        user_info = collect_user_info(req)
        can_attach_files = False
        (auth_code, auth_msg) = check_user_can_attach_file_to_comments(user_info, self.recid)
        if not auth_code and (user_info['email'] != 'guest' or user_info['apache_user']):
            can_attach_files = True

        warning_msgs = []
        added_files = {}
        if can_attach_files:
            # User is allowed to attach files. Process the files
            file_too_big = False
            formfields = form.get('commentattachment[]', [])
            if not hasattr(formfields, "__getitem__"): # A single file was uploaded
                formfields = [formfields]
            for formfield in formfields[:CFG_WEBCOMMENT_MAX_ATTACHED_FILES]:
                if hasattr(formfield, "filename") and formfield.filename:
                    filename = formfield.filename
                    dir_to_open = os.path.join(CFG_TMPDIR, 'webcomment', str(uid))
                    try:
                        assert(dir_to_open.startswith(CFG_TMPDIR))
                    except AssertionError:
                        register_exception(req=req,
                                           prefix='User #%s tried to upload file to forbidden location: %s' \
                                           % (uid, dir_to_open))

                    if not os.path.exists(dir_to_open):
                        try:
                            os.makedirs(dir_to_open)
                        except:
                            register_exception(req=req, alert_admin=True)

                    ## Before saving the file to disc, wash the filename (in particular
                    ## washing away UNIX and Windows (e.g. DFS) paths):
                    filename = os.path.basename(filename.split('\\')[-1])
                    filename = filename.strip()
                    if filename != "":
                        # Check that file does not already exist
                        n = 1
                        while os.path.exists(os.path.join(dir_to_open, filename)):
                            basedir, name, extension = decompose_file(filename)
                            new_name = propose_next_docname(name)
                            filename = new_name + extension

                        fp = open(os.path.join(dir_to_open, filename), "w")
                        # FIXME: temporary, waiting for wsgi handler to be
                        # fixed. Once done, read chunk by chunk
##                         while formfield.file:
##                             fp.write(formfield.file.read(10240))
                        fp.write(formfield.file.read())
                        fp.close()
                        # Isn't this file too big?
                        file_size = os.path.getsize(os.path.join(dir_to_open, filename))
                        if CFG_WEBCOMMENT_MAX_ATTACHMENT_SIZE > 0 and \
                               file_size > CFG_WEBCOMMENT_MAX_ATTACHMENT_SIZE:
                            os.remove(os.path.join(dir_to_open, filename))
                            # One file is too big: record that,
                            # dismiss all uploaded files and re-ask to
                            # upload again
                            file_too_big = True
                            warning_msgs.append(('WRN_WEBCOMMENT_MAX_FILE_SIZE_REACHED', cgi.escape(filename), str(file_size/1024) + 'KB', str(CFG_WEBCOMMENT_MAX_ATTACHMENT_SIZE/1024) + 'KB'))
                        else:
                            added_files[filename] = os.path.join(dir_to_open, filename)

            if file_too_big:
                # One file was too big. Removed all uploaded filed
                for filepath in added_files.items():
                    try:
                        os.remove(filepath)
                    except:
                        # File was already removed or does not exist?
                        pass

        client_ip_address = req.remote_ip
        check_warnings = []
        (ok, problem) = check_recID_is_in_range(self.recid, check_warnings, argd['ln'])
        if ok:
            title, description, keywords = websearch_templates.tmpl_record_page_header_content(req,
                                                                                               self.recid,
                                                                                               argd['ln'])
            navtrail = create_navtrail_links(cc=guess_primary_collection_of_a_record(self.recid))
            if navtrail:
                navtrail += ' &gt; '
            navtrail += '<a class="navtrail" href="%s/record/%s?ln=%s">'% (CFG_SITE_URL, self.recid, argd['ln'])
            navtrail += title
            navtrail += '</a>'
            navtrail += '&gt; <a class="navtrail" href="%s/record/%s/%s/?ln=%s">%s</a>' % (CFG_SITE_URL,
                                                                                           self.recid,
                                                                                           self.discussion==1 and 'reviews' or 'comments',
                                                                                           argd['ln'],
                                                                                           self.discussion==1 and _('Reviews') or _('Comments'))

            if argd['action'] not in actions:
                argd['action'] = 'DISPLAY'

            if not argd['msg']:
                # User had to login in-between, so retrieve msg
                # from cookie
                try:
                    (kind, cookie_argd) = mail_cookie_check_common(argd['cookie'],
                                                                    delete=True)

                    argd.update(cookie_argd)
                except InvenioWebAccessMailCookieDeletedError, e:
                    return redirect_to_url(req, CFG_SITE_URL + '/record/' + \
                                           str(self.recid) + (self.discussion==1 and \
                                                              '/reviews' or '/comments'))
                except InvenioWebAccessMailCookieError, e:
                    # Invalid or empty cookie: continue
                    pass
    def display(self, req, form):
        """
        Display comments (reviews if enabled) associated with record having id recid where recid>0.
        This function can also be used to display remarks associated with basket having id recid where recid<-99.
        @param ln: language
        @param recid: record id, integer
        @param do: display order    hh = highest helpful score, review only
                                    lh = lowest helpful score, review only
                                    hs = highest star score, review only
                                    ls = lowest star score, review only
                                    od = oldest date
                                    nd = newest date
        @param ds: display since    all= no filtering by date
                                    nd = n days ago
                                    nw = n weeks ago
                                    nm = n months ago
                                    ny = n years ago
                                    where n is a single digit integer between 0 and 9
        @param nb: number of results per page
        @param p: results page
        @param voted: boolean, active if user voted for a review, see vote function
        @param reported: int, active if user reported a certain comment/review, see report function
        @param reviews: boolean, enabled for reviews, disabled for comments
        @param subscribed: int, 1 if user just subscribed to discussion, -1 if unsubscribed
        @return the full html page.
        """

        argd = wash_urlargd(form, {'do': (str, "od"),
                                   'ds': (str, "all"),
                                   'nb': (int, 100),
                                   'p': (int, 1),
                                   'voted': (int, -1),
                                   'reported': (int, -1),
                                   'subscribed': (int, 0),
                                   'cmtgrp': (list, ["latest"]) # 'latest' is now a reserved group/round name
                                   })

        _ = gettext_set_language(argd['ln'])
        uid = getUid(req)

        user_info = collect_user_info(req)
        (auth_code, auth_msg) = check_user_can_view_comments(user_info, self.recid)
        if auth_code and user_info['email'] == 'guest' and not user_info['apache_user']:
            cookie = mail_cookie_create_authorize_action(VIEWRESTRCOLL, {'collection' : guess_primary_collection_of_a_record(self.recid)})
            target = '/youraccount/login' + \
                make_canonical_urlargd({'action': cookie, 'ln' : argd['ln'], 'referer' : \
                CFG_SITE_URL + user_info['uri']}, {})
            return redirect_to_url(req, target, norobot=True)
        elif auth_code:
            return page_not_authorized(req, "../", \
                text = auth_msg)

        can_send_comments = False
        (auth_code, auth_msg) = check_user_can_send_comments(user_info, self.recid)
        if not auth_code:
            can_send_comments = True

        can_attach_files = False
        (auth_code, auth_msg) = check_user_can_attach_file_to_comments(user_info, self.recid)
        if not auth_code and (user_info['email'] != 'guest' or user_info['apache_user']):
            can_attach_files = True

        subscription = get_user_subscription_to_discussion(self.recid, uid)
        if subscription == 1:
            user_is_subscribed_to_discussion = True
            user_can_unsubscribe_from_discussion = True
        elif subscription == 2:
            user_is_subscribed_to_discussion = True
            user_can_unsubscribe_from_discussion = False
        else:
            user_is_subscribed_to_discussion = False
            user_can_unsubscribe_from_discussion = False

        #display_comment_rounds = [cmtgrp for cmtgrp in argd['cmtgrp'] if cmtgrp.isdigit() or cmtgrp == "all" or cmtgrp == "-1"]
        display_comment_rounds = argd['cmtgrp']

        check_warnings = []

        (ok, problem) = check_recID_is_in_range(self.recid, check_warnings, argd['ln'])
        if ok:
            (body, errors, warnings) = perform_request_display_comments_or_remarks(req=req, recID=self.recid,
                display_order=argd['do'],
                display_since=argd['ds'],
                nb_per_page=argd['nb'],
                page=argd['p'],
                ln=argd['ln'],
                voted=argd['voted'],
                reported=argd['reported'],
                subscribed=argd['subscribed'],
                reviews=self.discussion,
                uid=uid,
                can_send_comments=can_send_comments,
                can_attach_files=can_attach_files,
                user_is_subscribed_to_discussion=user_is_subscribed_to_discussion,
                user_can_unsubscribe_from_discussion=user_can_unsubscribe_from_discussion,
                display_comment_rounds=display_comment_rounds
                )

            unordered_tabs = get_detailed_page_tabs(get_colID(guess_primary_collection_of_a_record(self.recid)),
                                                    self.recid,
                                                    ln=argd['ln'])
            ordered_tabs_id = [(tab_id, values['order']) for (tab_id, values) in unordered_tabs.iteritems()]
            ordered_tabs_id.sort(lambda x, y: cmp(x[1], y[1]))
            link_ln = ''
            if argd['ln'] != CFG_SITE_LANG:
                link_ln = '?ln=%s' % argd['ln']
            tabs = [(unordered_tabs[tab_id]['label'], \
                     '%s/record/%s/%s%s' % (CFG_SITE_URL, self.recid, tab_id, link_ln), \
                     tab_id in ['comments', 'reviews'],
                     unordered_tabs[tab_id]['enabled']) \
                    for (tab_id, order) in ordered_tabs_id
                    if unordered_tabs[tab_id]['visible'] == True]
            top = webstyle_templates.detailed_record_container_top(self.recid,
                                                                    tabs,
                                                                    argd['ln'])
            bottom = webstyle_templates.detailed_record_container_bottom(self.recid,
                                                                         tabs,
                                                                         argd['ln'])

            title, description, keywords = websearch_templates.tmpl_record_page_header_content(req, self.recid, argd['ln'])
            navtrail = create_navtrail_links(cc=guess_primary_collection_of_a_record(self.recid), ln=argd['ln'])
            if navtrail:
                navtrail += ' &gt; '
            navtrail += '<a class="navtrail" href="%s/record/%s?ln=%s">'% (CFG_SITE_URL, self.recid, argd['ln'])
            navtrail += title
            navtrail += '</a>'
            navtrail += ' &gt; <a class="navtrail">%s</a>' % (self.discussion==1 and _("Reviews") or _("Comments"))

            jsmathheader = ''
            if CFG_WEBCOMMENT_USE_JSMATH_IN_COMMENTS:
                jsmathheader = """ <script type='text/javascript'>
                                    jsMath = {
                                        Controls: {cookie: {printwarn: 0}}
                                    };
                                    </script>
                                    <script src='/jsMath/easy/invenio-jsmath.js' type='text/javascript'></script>
                               """
            jqueryheader = '''
            <script src="%(CFG_SITE_URL)s/js/jquery.min.js" type="text/javascript" language="javascript"></script>
            <script src="%(CFG_SITE_URL)s/js/jquery.MultiFile.pack.js" type="text/javascript" language="javascript"></script>
            ''' % {'CFG_SITE_URL': CFG_SITE_URL}


            return pageheaderonly(title=title,
                        navtrail=navtrail,
                        uid=uid,
                        verbose=1,
                        metaheaderadd = jsmathheader + jqueryheader,
                        req=req,
                        language=argd['ln'],
                        navmenuid='search',
                        navtrail_append_title_p=0) + \
                    websearch_templates.tmpl_search_pagestart(argd['ln']) + \
                    top + body + bottom + \
                    websearch_templates.tmpl_search_pageend(argd['ln']) + \
                    pagefooteronly(lastupdated=__lastupdated__, language=argd['ln'], req=req)
        else:
            return page(title=_("Record Not Found"),
                        body=problem,
                        uid=uid,
                        verbose=1,
                        req=req,
                        language=argd['ln'],
                        warnings=check_warnings, errors=[],
                        navmenuid='search')
    def add(self, req, form):
        """
        Add a comment (review) to record with id recid where recid>0
        Also works for adding a remark to basket with id recid where recid<-99
        @param ln: languange
        @param recid: record id
        @param action:  'DISPLAY' to display add form
                        'SUBMIT' to submit comment once form is filled
                        'REPLY' to reply to an already existing comment
        @param msg: the body of the comment/review or remark
        @param score: star score of the review
        @param note: title of the review
        @param comid: comment id, needed for replying
        @param editor_type: the type of editor used for submitting the
                            comment: 'textarea', 'fckeditor'.
        @param subscribe: if set, subscribe user to receive email
                          notifications when new comment are added to
                          this discussion
        @return the full html page.
        """

        argd = wash_urlargd(form, {'action': (str, "DISPLAY"),
                                   'msg': (str, ""),
                                   'note': (str, ''),
                                   'score': (int, 0),
                                   'comid': (int, -1),
                                   'editor_type': (str, ""),
                                   'subscribe': (str, ""),
                                   'cookie': (str, "")
                                   })

        _ = gettext_set_language(argd['ln'])

        actions = ['DISPLAY', 'REPLY', 'SUBMIT']
        uid = getUid(req)

        # Is site ready to accept comments?
        if uid == -1 or (not CFG_WEBCOMMENT_ALLOW_COMMENTS and not CFG_WEBCOMMENT_ALLOW_REVIEWS):
            return page_not_authorized(req, "../comments/add",
                                       navmenuid='search')

        # Is user allowed to post comment?
        user_info = collect_user_info(req)
        (auth_code_1, auth_msg_1) = check_user_can_view_comments(user_info, self.recid)
        (auth_code_2, auth_msg_2) = check_user_can_send_comments(user_info, self.recid)
        if isGuestUser(uid):
            cookie = mail_cookie_create_authorize_action(VIEWRESTRCOLL, {'collection' : guess_primary_collection_of_a_record(self.recid)})
            # Save user's value in cookie, so that these "POST"
            # parameters are not lost during login process
            msg_cookie = mail_cookie_create_common('comment_msg',
                                                    {'msg': argd['msg'],
                                                     'note': argd['note'],
                                                     'score': argd['score'],
                                                     'editor_type': argd['editor_type'],
                                                     'subscribe': argd['subscribe']},
                                                    onetime=True)
            target = '/youraccount/login' + \
                make_canonical_urlargd({'action': cookie, 'ln' : argd['ln'], 'referer' : \
                CFG_SITE_URL + user_info['uri'] + '&cookie=' + msg_cookie}, {})
            return redirect_to_url(req, target, norobot=True)
        elif (auth_code_1 or auth_code_2):
            return page_not_authorized(req, "../", \
                text = auth_msg_1 + auth_msg_2)

        can_attach_files = False
        (auth_code, auth_msg) = check_user_can_attach_file_to_comments(user_info, self.recid)
        if not auth_code:
            can_attach_files = True

        client_ip_address = req.remote_ip
        check_warnings = []
        (ok, problem) = check_recID_is_in_range(self.recid, check_warnings, argd['ln'])
        if ok:
            title, description, keywords = websearch_templates.tmpl_record_page_header_content(req,
                                                                                               self.recid,
                                                                                               argd['ln'])
            navtrail = create_navtrail_links(cc=guess_primary_collection_of_a_record(self.recid))
            if navtrail:
                navtrail += ' &gt; '
            navtrail += '<a class="navtrail" href="%s/record/%s?ln=%s">'% (CFG_SITE_URL, self.recid, argd['ln'])
            navtrail += title
            navtrail += '</a>'
            navtrail += '&gt; <a class="navtrail" href="%s/record/%s/%s/?ln=%s">%s</a>' % (CFG_SITE_URL,
                                                                                           self.recid,
                                                                                           self.discussion==1 and 'reviews' or 'comments',
                                                                                           argd['ln'],
                                                                                           self.discussion==1 and _('Reviews') or _('Comments'))

            if argd['action'] not in actions:
                argd['action'] = 'DISPLAY'

            if not argd['msg']:
                # User had to login in-between, so retrieve msg
                # from cookie
                try:
                    (kind, cookie_argd) = mail_cookie_check_common(argd['cookie'],
                                                                    delete=True)

                    argd.update(cookie_argd)
                except InvenioWebAccessMailCookieDeletedError, e:
                    return redirect_to_url(req, CFG_SITE_URL + '/record/' + \
                                           str(self.recid) + (self.discussion==1 and \
                                                              '/reviews' or '/comments'))
                except InvenioWebAccessMailCookieError, e:
                    # Invalid or empty cookie: continue
                    pass
    def add(self, req, form):
        """
        Add a comment (review) to record with id recid where recid>0
        Also works for adding a remark to basket with id recid where recid<-99
        @param ln: languange
        @param recid: record id
        @param action:  'DISPLAY' to display add form
                        'SUBMIT' to submit comment once form is filled
                        'REPLY' to reply to an already existing comment
        @param msg: the body of the comment/review or remark
        @param score: star score of the review
        @param note: title of the review
        @param comid: comment id, needed for replying
        @param editor_type: the type of editor used for submitting the
                            comment: 'textarea', 'ckeditor'.
        @param subscribe: if set, subscribe user to receive email
                          notifications when new comment are added to
                          this discussion
        @return the full html page.
        """
        argd = wash_urlargd(form, {'action': (str, "DISPLAY"),
                                   'msg': (str, ""),
                                   'note': (str, ''),
                                   'score': (int, 0),
                                   'comid': (int, 0),
                                   'editor_type': (str, ""),
                                   'subscribe': (str, ""),
                                   'cookie': (str, "")
                                   })
        _ = gettext_set_language(argd['ln'])

        actions = ['DISPLAY', 'REPLY', 'SUBMIT']
        uid = getUid(req)

        # Is site ready to accept comments?
        if uid == -1 or (not CFG_WEBCOMMENT_ALLOW_COMMENTS and not CFG_WEBCOMMENT_ALLOW_REVIEWS):
            return page_not_authorized(req, "../comments/add",
                                       navmenuid='search')

        # Is user allowed to post comment?
        user_info = collect_user_info(req)
        (auth_code_1, auth_msg_1) = check_user_can_view_comments(user_info, self.recid)
        (auth_code_2, auth_msg_2) = check_user_can_send_comments(user_info, self.recid)
        if isGuestUser(uid):
            cookie = mail_cookie_create_authorize_action(VIEWRESTRCOLL, {'collection' : guess_primary_collection_of_a_record(self.recid)})
            # Save user's value in cookie, so that these "POST"
            # parameters are not lost during login process
            msg_cookie = mail_cookie_create_common('comment_msg',
                                                    {'msg': argd['msg'],
                                                     'note': argd['note'],
                                                     'score': argd['score'],
                                                     'editor_type': argd['editor_type'],
                                                     'subscribe': argd['subscribe']},
                                                    onetime=True)
            target = '/youraccount/login' + \
                make_canonical_urlargd({'action': cookie, 'ln' : argd['ln'], 'referer' : \
                CFG_SITE_SECURE_URL + user_info['uri'] + '&cookie=' + msg_cookie}, {})
            return redirect_to_url(req, target, norobot=True)
        elif (auth_code_1 or auth_code_2):
            return page_not_authorized(req, "../", \
                text = auth_msg_1 + auth_msg_2)

        if argd['comid']:
            # If replying to a comment, are we on a record that
            # matches the original comment user is replying to?
            if not check_comment_belongs_to_record(argd['comid'], self.recid):
                return page_not_authorized(req, "../", \
                                           text = _("Specified comment does not belong to this record"))


            # Is user trying to reply to a restricted comment? Make
            # sure user has access to it.  We will then inherit its
            # restriction for the new comment
            (auth_code, auth_msg) = check_user_can_view_comment(user_info, argd['comid'])
            if auth_code:
                return page_not_authorized(req, "../", \
                                           text = _("You do not have access to the specified comment"))

            # Is user trying to reply to a deleted comment? If so, we
            # let submitted comment go (to not lose possibly submitted
            # content, if comment is submitted while original is
            # deleted), but we "reset" comid to make sure that for
            # action 'REPLY' the original comment is not included in
            # the reply
            if is_comment_deleted(argd['comid']):
                argd['comid'] = 0

        user_info = collect_user_info(req)
        can_attach_files = False
        (auth_code, auth_msg) = check_user_can_attach_file_to_comments(user_info, self.recid)
        if not auth_code and (user_info['email'] != 'guest'):
            can_attach_files = True

        warning_msgs = [] # list of warning tuples (warning_text, warning_color)
        added_files = {}
        if can_attach_files:
            # User is allowed to attach files. Process the files
            file_too_big = False
            formfields = form.get('commentattachment[]', [])
            if not hasattr(formfields, "__getitem__"): # A single file was uploaded
                formfields = [formfields]
            for formfield in formfields[:CFG_WEBCOMMENT_MAX_ATTACHED_FILES]:
                if hasattr(formfield, "filename") and formfield.filename:
                    filename = formfield.filename
                    dir_to_open = os.path.join(CFG_TMPDIR, 'webcomment', str(uid))
                    try:
                        assert(dir_to_open.startswith(CFG_TMPDIR))
                    except AssertionError:
                        register_exception(req=req,
                                           prefix='User #%s tried to upload file to forbidden location: %s' \
                                           % (uid, dir_to_open))

                    if not os.path.exists(dir_to_open):
                        try:
                            os.makedirs(dir_to_open)
                        except:
                            register_exception(req=req, alert_admin=True)

                    ## Before saving the file to disc, wash the filename (in particular
                    ## washing away UNIX and Windows (e.g. DFS) paths):
                    filename = os.path.basename(filename.split('\\')[-1])
                    filename = filename.strip()
                    if filename != "":
                        # Check that file does not already exist
                        n = 1
                        while os.path.exists(os.path.join(dir_to_open, filename)):
                            basedir, name, extension = decompose_file(filename)
                            new_name = propose_next_docname(name)
                            filename = new_name + extension

                        fp = open(os.path.join(dir_to_open, filename), "w")
                        # FIXME: temporary, waiting for wsgi handler to be
                        # fixed. Once done, read chunk by chunk
##                         while formfield.file:
##                             fp.write(formfield.file.read(10240))
                        fp.write(formfield.file.read())
                        fp.close()
                        # Isn't this file too big?
                        file_size = os.path.getsize(os.path.join(dir_to_open, filename))
                        if CFG_WEBCOMMENT_MAX_ATTACHMENT_SIZE > 0 and \
                               file_size > CFG_WEBCOMMENT_MAX_ATTACHMENT_SIZE:
                            os.remove(os.path.join(dir_to_open, filename))
                            # One file is too big: record that,
                            # dismiss all uploaded files and re-ask to
                            # upload again
                            file_too_big = True
                            try:
                                raise InvenioWebCommentWarning(_('The size of file \\"%s\\" (%s) is larger than maximum allowed file size (%s). Select files again.') % (cgi.escape(filename), str(file_size/1024) + 'KB', str(CFG_WEBCOMMENT_MAX_ATTACHMENT_SIZE/1024) + 'KB'))
                            except InvenioWebCommentWarning, exc:
                                register_exception(stream='warning')
                                warning_msgs.append((exc.message, ''))
                            #warning_msgs.append(('WRN_WEBCOMMENT_MAX_FILE_SIZE_REACHED', cgi.escape(filename), str(file_size/1024) + 'KB', str(CFG_WEBCOMMENT_MAX_ATTACHMENT_SIZE/1024) + 'KB'))
                        else:
                            added_files[filename] = os.path.join(dir_to_open, filename)

            if file_too_big:
                # One file was too big. Removed all uploaded filed
                for filepath in added_files.items():
                    try:
                        os.remove(filepath)
                    except:
                        # File was already removed or does not exist?
                        pass
    def display(self, req, form):
        """
        Display comments (reviews if enabled) associated with record having id recid where recid>0.
        This function can also be used to display remarks associated with basket having id recid where recid<-99.
        @param ln: language
        @param recid: record id, integer
        @param do: display order    hh = highest helpful score, review only
                                    lh = lowest helpful score, review only
                                    hs = highest star score, review only
                                    ls = lowest star score, review only
                                    od = oldest date
                                    nd = newest date
        @param ds: display since    all= no filtering by date
                                    nd = n days ago
                                    nw = n weeks ago
                                    nm = n months ago
                                    ny = n years ago
                                    where n is a single digit integer between 0 and 9
        @param nb: number of results per page
        @param p: results page
        @param voted: boolean, active if user voted for a review, see vote function
        @param reported: int, active if user reported a certain comment/review, see report function
        @param reviews: boolean, enabled for reviews, disabled for comments
        @param subscribed: int, 1 if user just subscribed to discussion, -1 if unsubscribed
        @return the full html page.
        """

        argd = wash_urlargd(
            form,
            {
                "do": (str, "od"),
                "ds": (str, "all"),
                "nb": (int, 100),
                "p": (int, 1),
                "voted": (int, -1),
                "reported": (int, -1),
                "subscribed": (int, 0),
                "cmtgrp": (list, ["latest"]),  # 'latest' is now a reserved group/round name
            },
        )

        _ = gettext_set_language(argd["ln"])
        uid = getUid(req)

        user_info = collect_user_info(req)
        (auth_code, auth_msg) = check_user_can_view_comments(user_info, self.recid)
        if auth_code and user_info["email"] == "guest":
            cookie = mail_cookie_create_authorize_action(
                VIEWRESTRCOLL, {"collection": guess_primary_collection_of_a_record(self.recid)}
            )
            target = "/youraccount/login" + make_canonical_urlargd(
                {"action": cookie, "ln": argd["ln"], "referer": CFG_SITE_URL + user_info["uri"]}, {}
            )
            return redirect_to_url(req, target, norobot=True)
        elif auth_code:
            return page_not_authorized(req, "../", text=auth_msg)

        can_send_comments = False
        (auth_code, auth_msg) = check_user_can_send_comments(user_info, self.recid)
        if not auth_code:
            can_send_comments = True

        can_attach_files = False
        (auth_code, auth_msg) = check_user_can_attach_file_to_comments(user_info, self.recid)
        if not auth_code and (user_info["email"] != "guest"):
            can_attach_files = True

        subscription = get_user_subscription_to_discussion(self.recid, uid)
        if subscription == 1:
            user_is_subscribed_to_discussion = True
            user_can_unsubscribe_from_discussion = True
        elif subscription == 2:
            user_is_subscribed_to_discussion = True
            user_can_unsubscribe_from_discussion = False
        else:
            user_is_subscribed_to_discussion = False
            user_can_unsubscribe_from_discussion = False

        # display_comment_rounds = [cmtgrp for cmtgrp in argd['cmtgrp'] if cmtgrp.isdigit() or cmtgrp == "all" or cmtgrp == "-1"]
        display_comment_rounds = argd["cmtgrp"]

        check_warnings = []

        (ok, problem) = check_recID_is_in_range(self.recid, check_warnings, argd["ln"])
        if ok:
            (body, errors, warnings) = perform_request_display_comments_or_remarks(
                req=req,
                recID=self.recid,
                display_order=argd["do"],
                display_since=argd["ds"],
                nb_per_page=argd["nb"],
                page=argd["p"],
                ln=argd["ln"],
                voted=argd["voted"],
                reported=argd["reported"],
                subscribed=argd["subscribed"],
                reviews=self.discussion,
                uid=uid,
                can_send_comments=can_send_comments,
                can_attach_files=can_attach_files,
                user_is_subscribed_to_discussion=user_is_subscribed_to_discussion,
                user_can_unsubscribe_from_discussion=user_can_unsubscribe_from_discussion,
                display_comment_rounds=display_comment_rounds,
            )

            unordered_tabs = get_detailed_page_tabs(
                get_colID(guess_primary_collection_of_a_record(self.recid)), self.recid, ln=argd["ln"]
            )
            ordered_tabs_id = [(tab_id, values["order"]) for (tab_id, values) in unordered_tabs.iteritems()]
            ordered_tabs_id.sort(lambda x, y: cmp(x[1], y[1]))
            link_ln = ""
            if argd["ln"] != CFG_SITE_LANG:
                link_ln = "?ln=%s" % argd["ln"]
            tabs = [
                (
                    unordered_tabs[tab_id]["label"],
                    "%s/record/%s/%s%s" % (CFG_SITE_URL, self.recid, tab_id, link_ln),
                    tab_id in ["comments", "reviews"],
                    unordered_tabs[tab_id]["enabled"],
                )
                for (tab_id, order) in ordered_tabs_id
                if unordered_tabs[tab_id]["visible"] == True
            ]
            top = webstyle_templates.detailed_record_container_top(self.recid, tabs, argd["ln"])
            bottom = webstyle_templates.detailed_record_container_bottom(self.recid, tabs, argd["ln"])

            title, description, keywords = websearch_templates.tmpl_record_page_header_content(
                req, self.recid, argd["ln"]
            )
            navtrail = create_navtrail_links(cc=guess_primary_collection_of_a_record(self.recid), ln=argd["ln"])
            if navtrail:
                navtrail += " &gt; "
            navtrail += '<a class="navtrail" href="%s/record/%s?ln=%s">' % (CFG_SITE_URL, self.recid, argd["ln"])
            navtrail += title
            navtrail += "</a>"
            navtrail += ' &gt; <a class="navtrail">%s</a>' % (self.discussion == 1 and _("Reviews") or _("Comments"))

            mathjaxheader = ""
            if CFG_WEBCOMMENT_USE_MATHJAX_IN_COMMENTS:
                mathjaxheader = """<script src='/MathJax/MathJax.js' type='text/javascript'></script>"""
            jqueryheader = """
            <script src="%(CFG_SITE_URL)s/js/jquery.min.js" type="text/javascript" language="javascript"></script>
            <script src="%(CFG_SITE_URL)s/js/jquery.MultiFile.pack.js" type="text/javascript" language="javascript"></script>
            """ % {
                "CFG_SITE_URL": CFG_SITE_URL
            }

            return (
                pageheaderonly(
                    title=title,
                    navtrail=navtrail,
                    uid=uid,
                    verbose=1,
                    metaheaderadd=mathjaxheader + jqueryheader,
                    req=req,
                    language=argd["ln"],
                    navmenuid="search",
                    navtrail_append_title_p=0,
                )
                + websearch_templates.tmpl_search_pagestart(argd["ln"])
                + top
                + body
                + bottom
                + websearch_templates.tmpl_search_pageend(argd["ln"])
                + pagefooteronly(lastupdated=__lastupdated__, language=argd["ln"], req=req)
            )
        else:
            return page(
                title=_("Record Not Found"),
                body=problem,
                uid=uid,
                verbose=1,
                req=req,
                language=argd["ln"],
                warnings=check_warnings,
                errors=[],
                navmenuid="search",
            )