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Authordata is now saved to the database

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Peter 'Pita' Martischka 2011-05-16 13:10:53 +01:00
parent fa6641a368
commit b1997a11c9
2 changed files with 290 additions and 232 deletions
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109
node/AuthorManager.js
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@ -19,103 +19,88 @@
* The AuthorManager controlls all information about the Pad authors
*/
/**
* Saves all Authors as a assoative Array. The Key is the author id.
* Authors can have the following attributes:
* -name The Name of the Author as shown on the Pad
* -colorId The Id of Usercolor. A number between 0 and 31
* -timestamp The timestamp on which the user was last seen
*/
var globalAuthors = {};
/**
* A easy key value pair. The Key is the token, the value is the authorid
*/
var token2author = {};
var db = require("./db").db;
var async = require("async");
/**
* Returns the Author Id for a token. If the token is unkown,
* it creates a author for the token
* @param token The token
*/
exports.getAuthor4Token = function (token)
{
exports.getAuthor4Token = function (token, callback)
{
var author;
if(token2author[token] == null)
{
author = "g." + _randomString(16);
while(globalAuthors[author] != null)
async.waterfall([
//try to get the author for this token
function(callback)
{
author = "g." + _randomString(16);
db.get("token2author:" + token, callback);
},
function(value, callback)
{
//there is no author with this token, so create one
if(value == null)
{
//create the new author name
author = "g." + _randomString(16);
//set the token2author db entry
db.set("token2author:" + token, author);
//set the globalAuthors db entry
var authorObj = {colorId : Math.floor(Math.random()*32), name: null, timestamp: new Date().getTime()};
db.set("globalAuthor:" + author, authorObj);
callback(null);
}
//there is a author with this token
else
{
author = value;
//update the author time
db.setSub("globalAuthor:" + author, ["timestamp"], new Date().getTime());
callback(null);
}
}
token2author[token]=author;
globalAuthors[author] = {};
globalAuthors[author].colorId = Math.floor(Math.random()*32);
globalAuthors[author].name = null;
}
else
], function(err)
{
author = token2author[token];
}
globalAuthors[author].timestamp = new Date().getTime();
return author;
callback(err, author);
});
}
/**
* Returns the color Id of the author
*/
exports.getAuthorColorId = function (author)
exports.getAuthorColorId = function (author, callback)
{
throwExceptionIfAuthorNotExist(author);
return globalAuthors[author].colorId;
db.getSub("globalAuthor:" + author, ["colorId"], callback);
}
/**
* Sets the color Id of the author
*/
exports.setAuthorColorId = function (author, colorId)
exports.setAuthorColorId = function (author, colorId, callback)
{
throwExceptionIfAuthorNotExist(author);
globalAuthors[author].colorId = colorId;
db.setSub("globalAuthor:" + author, ["colorId"], colorId, callback);
}
/**
* Returns the name of the author
*/
exports.getAuthorName = function (author)
exports.getAuthorName = function (author, callback)
{
throwExceptionIfAuthorNotExist(author);
return globalAuthors[author].name;
db.getSub("globalAuthor:" + author, ["name"], callback);
}
/**
* Sets the name of the author
*/
exports.setAuthorName = function (author, name)
exports.setAuthorName = function (author, name, callback)
{
throwExceptionIfAuthorNotExist(author);
globalAuthors[author].name = name;
}
/**
* A internal function that checks if the Author exist and throws a exception if not
*/
function throwExceptionIfAuthorNotExist(author)
{
if(globalAuthors[author] == null)
{
throw "Author '" + author + "' is unkown!";
}
db.setSub("globalAuthor:" + author, ["name"], name, callback);
}
/**