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Move files to /model

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Matias Pando 2014-09-23 15:24:57 -03:00
commit 06c83a8aba
24 changed files with 133 additions and 130 deletions
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101
js/models/core/WalletLock.js
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@ -1,101 +0,0 @@
'use strict';
var preconditions = require('preconditions').singleton();
function WalletLock(storage, walletId, timeoutMin) {
preconditions.checkArgument(storage);
preconditions.checkArgument(walletId);
this.storage = storage;
this.timeoutMin = timeoutMin || 5;
this.key = WalletLock._keyFor(walletId);
}
WalletLock.prototype.init = function(cb) {
preconditions.checkArgument(cb);
var self = this;
self.storage.getSessionId(function(sid) {
preconditions.checkState(sid);
self.sessionId = sid;
cb();
});
};
WalletLock._keyFor = function(walletId) {
return 'lock' + '::' + walletId;
};
WalletLock.prototype._isLockedByOther = function(cb) {
var self = this;
this.storage.getGlobal(this.key, function(json) {
var wl = json ? JSON.parse(json) : null;
if (!wl || !wl.expireTs)
return cb(false);
var expiredSince = Date.now() - wl.expireTs;
if (expiredSince >= 0)
return cb(false);
var isMyself = wl.sessionId === self.sessionId;
if (isMyself)
return cb(false);
// Seconds remainding
return cb(parseInt(-expiredSince / 1000));
});
};
WalletLock.prototype._setLock = function(cb) {
preconditions.checkArgument(cb);
preconditions.checkState(this.sessionId);
var self = this;
this.storage.setGlobal(this.key, {
sessionId: this.sessionId,
expireTs: Date.now() + this.timeoutMin * 60 * 1000,
}, function() {
cb(null);
});
};
WalletLock.prototype._doKeepAlive = function(cb) {
preconditions.checkArgument(cb);
preconditions.checkState(this.sessionId);
var self = this;
this._isLockedByOther(function(t) {
if (t)
return cb(new Error('LOCKED: Wallet is locked for ' + t + ' srcs'));
self._setLock(cb);
});
};
WalletLock.prototype.keepAlive = function(cb) {
var self = this;
if (!self.sessionId) {
return self.init(self._doKeepAlive.bind(self, cb));
};
return this._doKeepAlive(cb);
};
WalletLock.prototype.release = function(cb) {
this.storage.removeGlobal(this.key, cb);
};
module.exports = WalletLock;