/
defaultStrategy.js
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/
defaultStrategy.js
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import { Meteor } from "meteor/meteor";
// The ProtocolStore default strategy is used to persist hanging protocols in
// the MongoDB collection 'HangingProtocols' in the application server.
var defaultStrategy = (function () {
var hangingProtocolSubs;
function addDefaultProtocols() {
console.log('Inserting default protocols');
addProtocol(HP.defaultProtocol);
}
function getDatabaseIdByProtocolId(protocolId) {
const filteredProtocol = HangingProtocols.findOne({
id: protocolId
}, {
fields: {
_id: true
}
});
if (!filteredProtocol) {
return;
}
return filteredProtocol._id;
}
/**
* Registers a function to be called when the hangingprotocols collection is subscribed
* The callback is called only one time when the subscription is ready
*
* @param callback The function to be called as a callback
*/
function onReady(callback) {
if (hangingProtocolSubs && hangingProtocolSubs.ready()) {
// It is already ready
callback();
} else {
// Subscribe the hangingprotocols collection
hangingProtocolSubs = Meteor.subscribe('hangingprotocols');
// Wait for the subscription to be ready
Tracker.autorun((computation) => {
if (hangingProtocolSubs.ready()) {
computation.stop();
addDefaultProtocols();
callback();
}
});
}
}
/**
* Gets the hanging protocol by protocolId if defined, otherwise all stored hanging protocols
*
* @param protocolId The protocol ID used to find the hanging protocol
* @returns {object|array} The hanging protocol by protocolId or array of the stored hanging protocols
*/
function getProtocol(protocolId) {
// Return the hanging protocol by protocolId if defined
if (protocolId) {
return HangingProtocols.findOne({
id: protocolId
});
}
// Otherwise, return all protocols
return HangingProtocols.find().fetch();
}
/**
* Stores the hanging protocol
*
* @param protocol The hanging protocol to be stored
*/
function addProtocol(protocol) {
// Collections can only be updated by database ID (_id) on client, so
// get the database ID (_id) by the hanging protocol ID firstly
const databaseId = getDatabaseIdByProtocolId(protocol.id);
// Remove any MongoDB ID the protocol may have had
delete protocol._id;
// Update the protocol with the same id if exists instead of inserting this protocol
if (databaseId) {
// Update the hanging protocol by the database ID
HangingProtocols.update(databaseId, {
$set: protocol
});
return;
}
// Insert the protocol
HangingProtocols.insert(protocol);
}
/**
* Updates the hanging protocol by protocolId
*
* @param protocolId The protocol ID used to find the hanging protocol to update
* @param protocol The updated hanging protocol
*/
function updateProtocol(protocolId, protocol) {
// Collections can only be updated by database ID (_id) on client, so
// get the database ID (_id) by the hanging protocol ID firstly
const databaseId = getDatabaseIdByProtocolId(protocolId);
// Skip if it does not exist in database
if (!databaseId) {
return;
}
// Remove any MongoDB ID the protocol may have had
delete protocol._id;
// Update the hanging protocol by the database ID
HangingProtocols.update(databaseId, {
$set: protocol
});
}
/**
* Removes the hanging protocol
*
* @param protocolId The protocol ID used to remove the hanging protocol
*/
function removeProtocol(protocolId) {
// Collections can only be removed by database ID (_id) on client, so
// get the database ID (_id) by the hanging protocol ID firstly
const databaseId = getDatabaseIdByProtocolId(protocolId);
// Skip if it does not exist in database
if (!databaseId) {
return;
}
// Remove the hanging protocol by the database ID
HangingProtocols.remove(databaseId);
}
// Module Exports
return {
onReady: onReady,
getProtocol: getProtocol,
addProtocol: addProtocol,
updateProtocol: updateProtocol,
removeProtocol: removeProtocol
};
})();
var clientOnlyStrategy = (function () {
const HangingProtocols = new Mongo.Collection(null);
let defaultsAdded = false;
function addDefaultProtocols() {
console.log('Inserting default protocols');
addProtocol(HP.defaultProtocol);
defaultsAdded = true;
}
function getDatabaseIdByProtocolId(protocolId) {
const filteredProtocol = HangingProtocols.findOne({
id: protocolId
}, {
fields: {
_id: true
}
});
if (!filteredProtocol) {
return;
}
return filteredProtocol._id;
}
/**
* Registers a function to be called when the hangingprotocols collection is subscribed
* The callback is called only one time when the subscription is ready
*
* @param callback The function to be called as a callback
*/
function onReady(callback) {
if (!defaultsAdded) {
addDefaultProtocols();
}
callback();
}
/**
* Gets the hanging protocol by protocolId if defined, otherwise all stored hanging protocols
*
* @param protocolId The protocol ID used to find the hanging protocol
* @returns {object|array} The hanging protocol by protocolId or array of the stored hanging protocols
*/
function getProtocol(protocolId) {
// Return the hanging protocol by protocolId if defined
if (protocolId) {
return HangingProtocols.findOne({
id: protocolId
});
}
// Otherwise, return all protocols
return HangingProtocols.find().fetch();
}
/**
* Stores the hanging protocol
*
* @param protocol The hanging protocol to be stored
*/
function addProtocol(protocol) {
// Collections can only be updated by database ID (_id) on client, so
// get the database ID (_id) by the hanging protocol ID firstly
const databaseId = getDatabaseIdByProtocolId(protocol.id);
// Remove any MongoDB ID the protocol may have had
delete protocol._id;
// Update the protocol with the same id if exists instead of inserting this protocol
if (databaseId) {
// Update the hanging protocol by the database ID
HangingProtocols.update(databaseId, {
$set: protocol
});
return;
}
// Insert the protocol
HangingProtocols.insert(protocol);
}
/**
* Updates the hanging protocol by protocolId
*
* @param protocolId The protocol ID used to find the hanging protocol to update
* @param protocol The updated hanging protocol
*/
function updateProtocol(protocolId, protocol) {
// Collections can only be updated by database ID (_id) on client, so
// get the database ID (_id) by the hanging protocol ID firstly
const databaseId = getDatabaseIdByProtocolId(protocolId);
// Skip if it does not exist in database
if (!databaseId) {
return;
}
// Remove any MongoDB ID the protocol may have had
delete protocol._id;
// Update the hanging protocol by the database ID
HangingProtocols.update(databaseId, {
$set: protocol
});
}
/**
* Removes the hanging protocol
*
* @param protocolId The protocol ID used to remove the hanging protocol
*/
function removeProtocol(protocolId) {
// Collections can only be removed by database ID (_id) on client, so
// get the database ID (_id) by the hanging protocol ID firstly
const databaseId = getDatabaseIdByProtocolId(protocolId);
// Skip if it does not exist in database
if (!databaseId) {
return;
}
// Remove the hanging protocol by the database ID
HangingProtocols.remove(databaseId);
}
// Module Exports
return {
onReady: onReady,
getProtocol: getProtocol,
addProtocol: addProtocol,
updateProtocol: updateProtocol,
removeProtocol: removeProtocol
};
})();
// If we are running a disconnect client similar to the StandaloneViewer
// (see https://docs.ohif.org/standalone-viewer/usage.html) we don't want
// our HangingProtocol strategy to try to use Meteor methods or Pub / Sub
if (Meteor.settings &&
Meteor.settings.public &&
Meteor.settings.public.clientOnly === true) {
HP.ProtocolStore.setStrategy(clientOnlyStrategy);
} else {
HP.ProtocolStore.setStrategy(defaultStrategy);
}