talezero/rangevote
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This commit is contained in:
Teppy
2023-09-28 16:36:00 -04:00
parent cfa1f6fa3f
commit 11e3941fec
2 changed files with 65 additions and 22 deletions
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57
rangevote.js
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@@ -4,7 +4,6 @@ var fs=require('fs')
var app = express()
var Candidates=[ "Chris Christie", "Ron DeSantis", "Nikki Haley", "Mike Pence",
"Vivek Ramaswamy", "Tim Scott", "Donald Trump" ];
@@ -17,12 +16,15 @@ function CanId(c)
return(rval);
}
// Set up data structures for Range Votes and Plur Votes
var RangeVotes=new Map();
var RangePower=new Map();
var RangeResult=new Map();
var PlurVotes=new Map();
var PlurResult=new Map();
var PlurCount=0;
for (let c of Candidates)
{
let k=CanId(c);
@@ -37,16 +39,28 @@ for (let c of Candidates)
// Construct the static page for range voting
var TheHTML="";
var RangeHTML="";
for (let c of Candidates)
{
TheHTML=TheHTML+' <tr>'+
RangeHTML=RangeHTML+' <tr>'+
' <td>'+c+'</td><td><input type="range" min="-1" max="100" value="-1" id="i-'+CanId(c)+'" name="n-'+CanId(c)+'" /></td><td><span id="o-'+CanId(c)+'">No Opinion</span></td></tr>\n';
}
var TemplateHTML=fs.readFileSync("rangevote.html").toString();
var TemplateSearch="<!-- INJECT0 -->";
var TemplateIndex=TemplateHTML.indexOf(TemplateSearch);
TheHTML=TemplateHTML.substr(0,TemplateIndex)+TheHTML+TemplateHTML.substr(TemplateIndex+TemplateSearch.length,1000000);
RangeHTML=TemplateHTML.substr(0,TemplateIndex)+RangeHTML+TemplateHTML.substr(TemplateIndex+TemplateSearch.length,1000000);
// Construct the static page for Plurality Voting
var PlurHTML="";
for (let c of Candidates)
{
PlurHTML=PlurHTML+' <tr>'+
' <td><input type="radio" value="v-'+CanId(c)+'" name="pick" /></td><td>'+c+'</td></tr>\n';
}
TemplateHTML=fs.readFileSync("plurvote.html").toString();
TemplateSearch="<!-- INJECT0 -->";
TemplateIndex=TemplateHTML.indexOf(TemplateSearch);
PlurHTML=TemplateHTML.substr(0,TemplateIndex)+PlurHTML+TemplateHTML.substr(TemplateIndex+TemplateSearch.length,1000000);
// create application/json parser
@@ -56,7 +70,8 @@ var jsonParser = bodyParser.json()
var urlencodedParser = bodyParser.urlencoded({ extended: false })
app.get('/', (req, res) => {
res.send(TheHTML);
res.send(RangeHTML);
// res.send(PlurHTML);
})
function lerp(a,b,c,d,e)
@@ -70,26 +85,20 @@ function lerp(a,b,c,d,e)
function PlurVote(ip,NewChoice)
{
let OldChoice=PlurResult.get(ip);
if (typeof(OldChoice)=='string') PlurResult.set(OldChoice,PlurResult.get(OldChoice)-1);
if (typeof(NewChoice)=='string') PlurResult.set(NewChoice,PlurResult.get(NewChoice)+1);
if (typeof(OldChoice)=='string') { PlurResult.set(OldChoice,PlurResult.get(OldChoice)-1); PlurCount=PlurCount-1; }
if (!NewChoice) return;
NewChoice=CanId(NewChoice);
if (typeof(NewChoice)=='string') { PlurResult.set(NewChoice,PlurResult.get(NewChoice)+1); PlurCount=PlurCount+1; }
}
function AddToRangeResult(vote,mult=1)
{
console.log("RangeResult Before "+mult);
console.log(RangeResult);
console.log("RangePower Before "+mult);
console.log(RangePower);
for (let[key,val] of vote) if (key) if (val>=0)
{
RangeResult.set(key,RangeResult.get(key)+val*mult);
RangePower.set(key,RangePower.get(key)+mult);
}
console.log("RangeResult After "+mult);
console.log(RangeResult);
console.log("RangePower After "+mult);
console.log(RangePower);
}
@@ -98,22 +107,20 @@ function RangeVote(ip,entries)
let r0=null,r1=null;
for (let [key,val] of entries) if (typeof(key)=="string" && val>=0)
{
if (r0) r0=Math.min(r0,val); else r0=val;
if (r1) r1=Math.max(r1,val); else r1=val;
if (r0==null) { r0=val; r1=val; }
r0=Math.min(r0,val);
r1=Math.max(r1,val);
}
if (r1<=r0) return;
let NewVote=new Map()
for (let [key,val] of entries) if (typeof(key)=="string")
{
let id=CanId(key);
console.log(key+' '+id);
let norm=Math.round(lerp(val,r0,r1,0,100));
if (val>=0) NewVote.set(id,norm);
}
let OldVote=RangeVotes.get(ip);
// if (OldVote) AddToRangeResult(OldVote,-1);
console.log("NewVote");
console.log(NewVote);
RangeVotes.set(ip,NewVote);
AddToRangeResult(NewVote,1);
}
@@ -132,8 +139,14 @@ app.post('/range_vote', urlencodedParser, function (req, res) {
})
app.post('/plur_vote', urlencodedParser, function (req, res) {
// PlurVote(req.socket.remoteAddress,Object.entries(req.body));
res.send("Your Plurality Vote Counted!!!");
PlurVote(req.socket.remoteAddress,req.body.pick);
let str="Results:<br>";
for (let c of Candidates)
{
let key=CanId(c);
if (PlurResult.get(key)>0) str=str+c+': '+Math.round(100.0*PlurResult.get(key)/PlurCount)+'%<br>';
}
res.send(str);
})