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Diffstat (limited to 'modules')
-rw-r--r--modules/changes/changes.html59
-rw-r--r--modules/changes/changes.js72
2 files changed, 128 insertions, 3 deletions
diff --git a/modules/changes/changes.html b/modules/changes/changes.html
index 739cb28..a7cd439 100644
--- a/modules/changes/changes.html
+++ b/modules/changes/changes.html
@@ -44,6 +44,7 @@ function focusData(data){
if(!header.firstChild)header.appendChild(document.createTextNode(data.url));
else header.firstChild.nodeValue=data.url;
header.setAttribute("href",data.url);
+ document.getElementById("diffbox").innerHTML="";
var l=tbody.children,i;
for(i=l.length-1;i>=0;i--)tbody.removeChild(l[i]);
@@ -67,6 +68,22 @@ function focusData(data){
tr.appendChild(td);
td=document.createElement("td");
+ e=document.createElement("input");
+ e.setAttribute("type","radio");
+ e.setAttribute("name","diffold");
+ e.setAttribute("value",data.timeline[i][0]);
+ td.appendChild(e);
+ tr.appendChild(td);
+
+ td=document.createElement("td");
+ e=document.createElement("input");
+ e.setAttribute("type","radio");
+ e.setAttribute("name","diffnew");
+ e.setAttribute("value",data.timeline[i][0]);
+ td.appendChild(e);
+ tr.appendChild(td);
+
+ td=document.createElement("td");
e=document.createElement("a");
e.href="javascript:void(0)";
e.appendChild(document.createTextNode("Delete till here"));
@@ -182,6 +199,30 @@ function addURLbutton(){
});
}
+function doShowDiff(){
+ var oldradio=document.querySelector("input[name=diffold]:checked");
+ var newradio=document.querySelector("input[name=diffnew]:checked");
+ if(!oldradio||!newradio){
+ alert("Select two different records to perform a diff");
+ return;
+ }
+ var olddate=oldradio.value;
+ var newdate=newradio.value;
+ var url=document.getElementById("timelineheader").firstChild.nodeValue;
+ fetch("POST","/changes/diff",
+ JSON.stringify({url:url,olddate:olddate,newdate:newdate}),
+ function(status,body){
+ var diffbox;
+ if(status==200){
+ diffbox=document.getElementById("diffbox");
+ if(diffbox.firstChild)diffbox.removeChild(diffbox.firstChild);
+ diffbox.appendChild(document.createTextNode(body));
+ } else {
+ alert("Error: ("+status+") "+body);
+ }
+ });
+}
+
function addURLkeypress(ev){
if(ev.keyCode==10||ev.keyCode==13)addURLbutton();
}
@@ -251,8 +292,13 @@ h1{
#timelinetbl td, #timelinetbl th{
border:1px #888 solid;
}
-#timelinetbl td:nth-child(3){
+#timelinetbl td:nth-child(3), #timelinetbl td:nth-child(4){
+ text-align:center;
+}
+#timelinetbl td:nth-child(5){
font-size:10px;
+ padding-left:40px;
+ padding-right:10px;
}
tr.repeated{
@@ -285,9 +331,16 @@ tr.repeated{
<div id="timelinecontainer">
<h2><a id="timelineheader"></a></h2>
<table id="timelinetbl">
- <thead><tr><th>Date</th><th>Hash</th></tr></thead>
+ <thead><tr>
+ <th>Date</th>
+ <th>Hash</th>
+ <th>Old</th>
+ <th>New</th>
+ </tr></thead>
<tbody id="timelinetbody"></tbody>
- </table>
+ </table> <br>
+ <input type="button" value="Show diff" onclick="doShowDiff();"> <br>
+ <pre id="diffbox"></pre>
</div>
</body>
</html>
diff --git a/modules/changes/changes.js b/modules/changes/changes.js
index 7cbe7ee..8a0b3d9 100644
--- a/modules/changes/changes.js
+++ b/modules/changes/changes.js
@@ -5,6 +5,7 @@ var cmn=require("../$common.js"),
crypto=require("crypto"),
http=require("http"),
https=require("https"),
+ fs=require("fs"),
URL=require("url"),
child_process=require("child_process");
@@ -376,4 +377,75 @@ module.exports=function(app,io,_moddir){
refreshURLs();
res.send();
});
+ app.post("/changes/diff",function(req,res){
+ var param;
+ try {param=JSON.parse(req.body);}
+ catch(e){
+ res.status(400);
+ res.send("Invalid JSON sent");
+ return;
+ }
+ var url=param.url;
+ var newdate=new Date(param.newdate);
+ var olddate=new Date(param.olddate);
+ if(!urls[url]){
+ res.status(404);
+ res.send("URL not found in watch list");
+ return;
+ }
+ if(newdate.getTime()==NaN||olddate.getTime()==NaN){
+ res.status(400);
+ res.send("Invalid time(s) sent");
+ return;
+ }
+ if(newdate.getTime()==olddate.getTime()){
+ res.status(400);
+ res.send("Please select different records to diff");
+ return;
+ }
+ var tl=urls[url].timeline;
+ var newi=-1,oldi=-1,i;
+ for(i=0;i<tl.length;i++){
+ if(tl[i][0].getTime()==newdate.getTime()){
+ newi=i;
+ }
+ if(tl[i][0].getTime()==olddate.getTime()){
+ oldi=i;
+ }
+ }
+ if(newi==-1||oldi==-1){
+ res.status(404);
+ res.send("Times not found in timeline for URL");
+ return;
+ }
+ //res.send(tl[newi][1]+"\n"+tl[oldi][1]+"\n");
+ fs.mkdtemp("/tmp/changes-diff-tmp-",function(err,folder){
+ if(err){
+ console.log(err);
+ res.status(500);
+ res.send();
+ return;
+ }
+ var counter=0;
+ var fscb=function(err){
+ if(err){
+ console.log(err);
+ res.status(500);
+ res.send();
+ return;
+ }
+ counter++;
+ if(counter<2)return;
+ var proc=child_process.spawn(
+ "diff",
+ [folder+"/old.html",folder+"/new.html"],
+ {stdio:[process.stdin,fs.openSync(folder+"/diff.txt","w"),process.stderr]});
+ proc.on("exit",function(code,signal){
+ fs.createReadStream(folder+"/diff.txt").pipe(res);
+ });
+ };
+ fs.writeFile(folder+"/old.html",tl[oldi][2],fscb);
+ fs.writeFile(folder+"/new.html",tl[newi][2],fscb);
+ });
+ });
};