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############################################################################
# Copyright 2009 Benjamin Kellermann #
# #
# This file is part of dudle. #
# #
# Dudle is free software: you can redistribute it and/or modify it under #
# the terms of the GNU Affero General Public License as published by #
# the Free Software Foundation, either version 3 of the License, or #
# (at your option) any later version. #
# #
# Dudle is distributed in the hope that it will be useful, but WITHOUT ANY #
# WARRANTY; without even the implied warranty of MERCHANTABILITY or #
# FITNESS FOR A PARTICULAR PURPOSE. See the GNU Affero General Public #
# License for more details. #
# #
# You should have received a copy of the GNU Affero General Public License #
# along with dudle. If not, see <http://www.gnu.org/licenses/>. #
############################################################################
require "hash"
require "yaml"
require "time"
require "pollhead"
require "timepollhead"
class Poll
attr_reader :head, :name
YESVAL = "ayes"
MAYBEVAL = "bmaybe"
NOVAL = "cno"
def initialize name,type
@name = name
case type
when "normal"
@head = PollHead.new
when "time"
@head = TimePollHead.new
else
raise("unknown poll type: #{type}")
end
@data = {}
@comment = []
store "Poll #{name} created"
end
def sort_data fields
parsedfields = fields.collect{|field|
field == "timestamp" || field == "name" ? field : @head.cgi_to_id(field)
}
if parsedfields.include?("name")
until parsedfields.pop == "name"
end
@data.sort{|x,y|
cmp = x[1].compare_by_values(y[1],parsedfields)
cmp == 0 ? x[0] <=> y[0] : cmp
}
else
@data.sort{|x,y| x[1].compare_by_values(y[1],parsedfields) }
end
end
def to_html(edituser = "", showparticipation = true)
ret = "<table border='1' summary='Main Poll table'>\n"
ret += @head.to_html
sort_data($cgi.include?("sort") ? $cgi.params["sort"] : ["timestamp"]).each{|participant,poll|
if edituser == participant
ret += participate_to_html(edituser)
else
ret += "<tr class='participantrow'>\n"
ret += "<td class='name' #{edituser == participant ? "id='active'":""}>"
ret += participant
ret += "<span class='edituser'> <sup><a href=\"?edituser=#{CGI.escapeHTML(CGI.escape(participant))}\">#{EDIT}</a></sup></span>" if showparticipation
ret += "</td>\n"
@head.each_column{|columnid,columntitle|
klasse = poll[columnid]
case klasse
when nil
value = UNKNOWN
klasse = "undecided"
when YESVAL
value = YES
when NOVAL
value = NO
when MAYBEVAL
value = MAYBE
end
ret += "<td class='#{klasse}' title=\"#{CGI.escapeHTML(participant)}: #{CGI.escapeHTML(columntitle.to_s)}\">#{value}</td>\n"
}
ret += "<td class='date'>#{poll['timestamp'].strftime('%d.%m, %H:%M')}</td>"
ret += "</tr>\n"
end
}
# PARTICIPATE
ret += participate_to_html(edituser) unless @data.keys.include?(edituser) || !showparticipation
# SUMMARY
ret += "<tr id='summary'><td class='name'>total</td>\n"
@head.each_columnid{|columnid|
yes = 0
undecided = 0
@data.each_value{|participant|
if participant[columnid] == YESVAL
yes += 1
elsif !participant.has_key?(columnid) or participant[columnid] == MAYBEVAL
undecided += 1
end
}
if @data.empty?
percent_f = 0
else
percent_f = 100*yes/@data.size
end
percent = "#{percent_f}%" unless @data.empty?
if undecided > 0
percent += "-#{(100.0*(undecided+yes)/@data.size).round}%"
end
ret += "<td class='sum' title='#{percent}' style='"
["","background-"].each {|c|
ret += "#{c}color: rgb("
3.times{
ret += (c == "" ? "#{155+percent_f}" : "#{100-percent_f}")
ret += ","
}
ret.chop!
ret += ");"
}
ret += "'>#{yes}</td>\n"
}
ret += "</tr>"
ret += "</table>\n"
ret
end
def participate_to_html(edituser)
checked = {}
if @data.include?(edituser)
@head.each_columnid{|k| checked[k] = @data[edituser][k]}
else
edituser = $cgi.cookies["username"][0] unless @data.include?($cgi.cookies["username"][0])
@head.each_columnid{|k| checked[k] = NOVAL}
end
ret = "<tr id='add_participant'>\n"
ret += "<td class='name'>
<input type='hidden' name='olduser' value=\"#{edituser}\" />
<input size='16'
type='text'
name='add_participant'
value=\"#{edituser}\"/>"
ret += "</td>\n"
@head.each_column{|columnid,columntitle|
ret += "<td class='checkboxes'><table summary='Input for one column' class='checkboxes'>"
[[YES, YESVAL],[NO, NOVAL],[MAYBE, MAYBEVAL]].each{|valhuman, valbinary|
ret += "<tr class='input-#{valbinary}'>
<td class='input-#{valbinary}'>
<input type='radio'
value='#{valbinary}'
id=\"add_participant_checked_#{CGI.escapeHTML(columnid.to_s.gsub(" ","_").gsub("+","_"))}_#{valbinary}\"
name=\"add_participant_checked_#{CGI.escapeHTML(columnid.to_s)}\"
title=\"#{CGI.escapeHTML(columntitle.to_s)}\" #{checked[columnid] == valbinary ? "checked='checked'":""}/>
</td>
<td class='input-#{valbinary}'>
<label for=\"add_participant_checked_#{CGI.escapeHTML(columnid.to_s.gsub(" ","_").gsub("+","_"))}_#{valbinary}\">#{valhuman}</label>
</td>
</tr>"
}
ret += "</table></td>"
}
ret += "<td class='date'>"
if @data.include?(edituser)
ret += "<input type='submit' value='Save Changes' />"
ret += "<br /><input style='margin-top:1ex' type='submit' name='delete_participant' value='Delete User' />"
else
ret += "<input type='submit' value='Save' />"
end
ret += "</td>\n"
ret += "</tr>\n"
ret
end
def comment_to_html
ret = "<div id='comments'>"
ret += "<h2>Comments</h2>"
unless @comment.empty?
@comment.each_with_index{|c,i|
time,name,comment = c
ret += <<COMMENT
<form method='post' action='.'>
<div class='comment'>
<fieldset>
<legend>#{name} said on #{time.strftime("%d.%m, %H:%M")}
<input type='hidden' name='delete_comment' value='#{i}' />
<input class='delete_comment_button' type='submit' value='delete' />
</legend>
#{comment}
</fieldset>
</div>
</form>
COMMENT
}
end
# ADD COMMENT
ret += <<ADDCOMMENT
<form method='post' action='.'>
<div class='comment' id='add_comment'>
<fieldset>
<legend>
<input value='Anonymous' type='text' name='commentname' size='9' /> says
</legend>
<textarea cols='50' rows='7' name='comment' ></textarea>
<br /><input type='submit' value='Submit Comment' />
</fieldset>
</div>
</form>
ADDCOMMENT
ret += "</div>\n"
ret
end
def history_selectform(revision, selected)
ret = <<FORM
<form method='get' action=''>
<div>
Show only history items concerning:
<select name='history'>
FORM
[["",""],
["participants","Participants"],
["columns","Columns"],
["comments","Comments"]
].each{|value,opt|
ret += "<option value='#{value}' #{selected == value ? "selected='selected'" : ""} >#{opt}</option>"
}
ret += "</select>"
ret += "<input type='hidden' name='revision' value='#{revision}' />" if revision
ret += <<FORM
<input type='submit' value='Filter' />
</div>
</form>
FORM
ret
end
def history_to_html(middlerevision,only)
log = VCS.history
if only != ""
case only
when "comments"
match = /^Comment .*$/
when "participants"
match = /^Participant .*$/
when "columns"
match = /^Column .*$/
else
raise "invalid value #{only}"
end
log = log.comment_matches(match)
end
log.around_rev(middlerevision,11).to_html(middlerevision,only)
end
def add_participant(olduser, name, agreed)
name.strip!
if name == ""
maximum = @data.keys.collect{|e| e.scan(/^Anonymous #(\d*)/).flatten[0]}.compact.collect{|i| i.to_i}.max
maximum ||= 0
name = "Anonymous ##{maximum + 1}"
end
htmlname = CGI.escapeHTML(name)
action = ''
if @data.delete(CGI.escapeHTML(olduser))
action = "edited"
else
action = "added"
end
@data[htmlname] = {"timestamp" => Time.now }
@head.each_columnid{|columnid|
@data[htmlname][columnid] = agreed[columnid.to_s]
}
store "Participant #{name.strip} #{action}"
end
def delete(name)
htmlname = CGI.escapeHTML(name.strip)
if @data.has_key?(htmlname)
@data.delete(htmlname)
store "Participant #{name.strip} deleted"
end
end
def store comment
File.open("data.yaml", 'w') do |out|
out << "# This is a dudle poll file\n"
out << self.to_yaml
out.chmod(0660)
end
VCS.commit(CGI.escapeHTML(comment))
end
###############################
# comment related functions
###############################
def add_comment name, comment
@comment << [Time.now, CGI.escapeHTML(name.strip), CGI.escapeHTML(comment.strip).gsub("\r\n","<br />")]
store "Comment added by #{name}"
end
def delete_comment index
store "Comment from #{@comment.delete_at(index)[1]} deleted"
end
###############################
# column related functions
###############################
def delete_column columnid
title = @head.get_title(columnid)
if @head.delete_column(columnid)
store "Column #{title} deleted"
return true
else
return false
end
end
def edit_column(oldcolumnid, newtitle, cgi)
parsedtitle = @head.edit_column(oldcolumnid, newtitle, cgi)
store "Column #{parsedtitle} #{oldcolumnid == "" ? "added" : "edited"}" if parsedtitle
end
def edit_column_htmlform(activecolumn, revision)
@head.edit_column_htmlform(activecolumn, revision)
end
end
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