mirror of
https://github.com/kiddin9/op-packages.git
synced 2026-10-27 03:02:51 +08:00
125 lines
2.8 KiB
JavaScript
125 lines
2.8 KiB
JavaScript
'use strict';
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'require poll';
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'require rpc';
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// run/test/restore are backgrounded by rpcd ({started:true}); the only way to
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// see how they went is to tail `log` until a terminal line appears. LuCI hands
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// every view the same instance: one operation at a time per view.
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var callLog = rpc.declare({
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object: 'luci.gitbackup',
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method: 'log',
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params: [ 'lines' ]
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});
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function gbFetchLog() {
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return L.resolveDefault(callLog(500), null).then(function(res) {
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return (res && res.text) || '';
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});
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}
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return L.Class.extend({
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callLog: callLog,
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// Resolves only once the operation is over, so a createHandlerFn button
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// stays disabled until then. Exactly one of opts.onFinish/onTimeout/onFail
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// fires.
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run: function(opts) {
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var self = this;
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var pre = opts.pre ? document.getElementById(opts.pre) : null;
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self._idle = 0;
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self._ticks = 0;
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self._lines = 0;
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self._done = false;
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if (pre) {
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pre.hidden = false;
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pre.textContent = '';
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}
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return new Promise(function(resolve) {
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self._opts = opts;
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self._resolve = resolve;
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// Baseline before the call, or the operation's first line is missed.
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gbFetchLog().then(function(text) {
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self._lines = text ? text.split('\n').length : 0;
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if (!self._bound)
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self._bound = L.bind(self._tick, self);
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poll.remove(self._bound);
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poll.add(self._bound, 2);
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return opts.call();
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}).then(function(res) {
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if (!res || res.started !== true)
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throw new Error((res && res.reason) || '');
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}).catch(function(e) {
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self._end(opts.onFail, e.message);
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});
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});
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},
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stop: function() {
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if (this._bound)
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poll.remove(this._bound);
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},
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_append: function(add) {
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var pre = this._opts.pre ? document.getElementById(this._opts.pre) : null;
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if (!pre)
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return;
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pre.textContent = pre.textContent ? pre.textContent + '\n' + add : add;
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pre.scrollTop = pre.scrollHeight;
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},
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_end: function(cb, arg) {
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if (this._done)
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return;
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this._done = true;
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this.stop();
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if (cb)
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cb(arg);
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this._resolve();
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},
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_tick: function() {
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var self = this;
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var opts = self._opts;
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self._ticks++;
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return callLog(500).then(function(res) {
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var lines = ((res && res.text) || '').split('\n');
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var newLines = (lines.length >= self._lines) ? lines.slice(self._lines) : lines;
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var add = newLines.filter(function(l) { return l; }).join('\n');
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var matched = null;
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var i;
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self._lines = lines.length;
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if (add) {
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self._idle = 0;
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self._append(add);
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for (i = 0; i < newLines.length; i++) {
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if (opts.terminalRe.test(newLines[i]))
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matched = newLines[i];
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}
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} else {
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self._idle++;
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}
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if (matched !== null)
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self._end(opts.onFinish, matched);
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else if (self._idle >= 30 || self._ticks >= 150)
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self._end(opts.onTimeout);
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}, function() {
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self._end(opts.onTimeout);
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});
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}
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});
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