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node-red/red/api/admin/context.js
2018-07-02 22:38:37 +01:00

69 lines
2.1 KiB
JavaScript

/**
* Copyright JS Foundation and other contributors, http://js.foundation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
**/
var log;
var redNodes;
var util;
module.exports = {
init: function(runtime) {
redNodes = runtime.nodes;
log = runtime.log;
util = runtime.util;
},
get: function(req,res) {
var scope = req.params.scope;
var id = req.params.id;
var key = req.params[0];
var ctx;
if (scope === 'global') {
ctx = redNodes.getContext('global');
} else if (scope === 'flow') {
ctx = redNodes.getContext(id);
} else if (scope === 'node') {
var node = redNodes.getNode(id);
if (node) {
ctx = node.context();
}
}
if (ctx) {
if (key) {
ctx.get(key,function(err, v) {
res.json(util.encodeObject({msg:v}));
});
return;
} else {
ctx.keys(function(err, keys) {
var result = {};
var c = keys.length;
keys.forEach(function(key) {
ctx.get(key,function(err, v) {
result[key] = util.encodeObject({msg:v});
c--;
if (c === 0) {
res.json(result);
}
});
});
});
}
} else {
res.json({});
}
}
}