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update pad clients

pull/2300/head
Cristo 2014-11-12 19:46:50 +01:00
parent 46bc328896
commit 9d39c9591a
1 changed files with 88 additions and 82 deletions
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44
src/node/db/API.js
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@ -583,15 +583,16 @@ exports.deletePad = function(padID, callback)
{code:0, message:"ok", data:null} {code:0, message:"ok", data:null}
{code: 1, message:"padID does not exist", data: null} {code: 1, message:"padID does not exist", data: null}
*/ */
exports.restoreRevision = function(padID, rev, callback) exports.restoreRevision = function (padID, rev, callback)
{ {
var Changeset = require("ep_etherpad-lite/static/js/Changeset"); var Changeset = require("ep_etherpad-lite/static/js/Changeset");
var padMessage = require("ep_etherpad-lite/node/handler/PadMessageHandler.js");
//check if rev is a number //check if rev is a number
if(rev !== undefined && typeof rev != "number") if (rev !== undefined && typeof rev != "number")
{ {
//try to parse the number //try to parse the number
if(!isNaN(parseInt(rev))) if (!isNaN(parseInt(rev)))
{ {
rev = parseInt(rev); rev = parseInt(rev);
} }
@ -603,35 +604,35 @@ exports.restoreRevision = function(padID, rev, callback)
} }
//ensure this is not a negativ number //ensure this is not a negativ number
if(rev !== undefined && rev < 0) if (rev !== undefined && rev < 0)
{ {
callback(new customError("rev is a negativ number","apierror")); callback(new customError("rev is a negativ number", "apierror"));
return; return;
} }
//ensure this is not a float value //ensure this is not a float value
if(rev !== undefined && !is_int(rev)) if (rev !== undefined && !is_int(rev))
{ {
callback(new customError("rev is a float value","apierror")); callback(new customError("rev is a float value", "apierror"));
return; return;
} }
//get the pad //get the pad
getPadSafe(padID, true, function(err, pad) getPadSafe(padID, true, function (err, pad)
{ {
if(ERR(err, callback)) return; if (ERR(err, callback)) return;
//check if this is a valid revision //check if this is a valid revision
if(rev > pad.getHeadRevisionNumber()) if (rev > pad.getHeadRevisionNumber())
{ {
callback(new customError("rev is higher than the head revision of the pad","apierror")); callback(new customError("rev is higher than the head revision of the pad", "apierror"));
return; return;
} }
pad.getInternalRevisionAText(rev, function(err, atext) pad.getInternalRevisionAText(rev, function (err, atext)
{ {
if(ERR(err, callback)) return; if (ERR(err, callback)) return;
var oldText = pad.text(); var oldText = pad.text();
atext.text += "\n"; atext.text += "\n";
@ -657,17 +658,19 @@ exports.restoreRevision = function(padID, rev, callback)
var builder = Changeset.builder(oldText.length); var builder = Changeset.builder(oldText.length);
// assemble each line into the builder // assemble each line into the builder
eachAttribRun(atext.attribs, function(start, end, attribs) eachAttribRun(atext.attribs, function (start, end, attribs)
{ {
builder.insert(atext.text.substring(start, end), attribs); builder.insert(atext.text.substring(start, end), attribs);
}); });
var lastNewlinePos = oldText.lastIndexOf('\n'); var lastNewlinePos = oldText.lastIndexOf('\n');
if (lastNewlinePos < 0) { if (lastNewlinePos < 0)
builder.remove(oldText.length-1,0); {
} else { builder.remove(oldText.length - 1, 0);
builder.remove(lastNewlinePos, oldText.match(/\n/g).length-1); } else
builder.remove(oldText.length - lastNewlinePos-1,0); {
builder.remove(lastNewlinePos, oldText.match(/\n/g).length - 1);
builder.remove(oldText.length - lastNewlinePos - 1, 0);
} }
var changeset = builder.toString(); var changeset = builder.toString();
@ -675,6 +678,9 @@ exports.restoreRevision = function(padID, rev, callback)
//append the changeset //append the changeset
pad.appendRevision(changeset); pad.appendRevision(changeset);
// //
padMessage.updatePadClients(pad, function ()
{
});
callback(null, null); callback(null, null);
}); });