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var plugins = require("ep_etherpad-lite/static/js/pluginfw/plugins");
var hooks = require("ep_etherpad-lite/static/js/pluginfw/hooks");
var npm = require("npm");
var registry = require("npm/lib/utils/npm-registry-client/index.js");
var withNpm = function (npmfn, cb) {
npm.load({}, function (er) {
if (er) return cb({progress:1, error:er});
npm.on("log", function (message) {
cb({progress: 0.5, message:message.msg + ": " + message.pref});
});
npmfn(function (er, data) {
if (er) return cb({progress:1, error:er.code + ": " + er.path});
if (!data) data = {};
data.progress = 1;
data.message = "Done.";
cb(data);
});
});
}
// All these functions call their callback multiple times with
// {progress:[0,1], message:STRING, error:object}. They will call it
// with progress = 1 at least once, and at all times will either
// message or error be present, not both. It can be called multiple
// times for all values of propgress except for 1.
exports.uninstall = function(plugin_name, cb) {
withNpm(
function (cb) {
npm.commands.uninstall([plugin_name], function (er) {
if (er) return cb(er);
hooks.aCallAll("pluginUninstall", {plugin_name: plugin_name}, function (er, data) {
if (er) return cb(er);
plugins.update(cb);
});
});
},
cb
);
};
exports.install = function(plugin_name, cb) {
withNpm(
function (cb) {
npm.commands.install([plugin_name], function (er) {
if (er) return cb(er);
hooks.aCallAll("pluginInstall", {plugin_name: plugin_name}, function (er, data) {
if (er) return cb(er);
plugins.update(cb);
});
});
},
cb
);
};
exports.searchCache = null;
exports.search = function(query, cache, cb) {
withNpm(
function (cb) {
var getData = function (cb) {
if (cache && exports.searchCache) {
cb(null, exports.searchCache);
} else {
registry.get(
"/-/all", null, 600, false, true,
function (er, data) {
if (er) return cb(er);
exports.searchCache = data;
cb(er, data);
}
);
}
}
getData(
function (er, data) {
if (er) return cb(er);
var res = {};
var i = 0;
for (key in data) {
if ( key.indexOf(plugins.prefix) == 0
&& key.indexOf(query.pattern) != -1) {
i++;
if (i > query.offset
&& i <= query.offset + query.limit) {
res[key] = data[key];
}
}
}
cb(null, {results:res, query: query, total:i});
}
);
},
cb
);
};
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