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Merge pull request #2778 from emanuelschuetze/inject-improvement

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Speed up autoupdates
This commit is contained in:
Emanuel Schütze 2016-12-16 19:12:45 +01:00 committed by GitHub
commit cd89f72a17
1 changed files with 29 additions and 11 deletions
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40
openslides/core/static/js/core/base.js
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@ -223,22 +223,40 @@ angular.module('OpenSlidesApp.core', [
} catch(err) {
console.error(json);
}
_.forEach(dataList, function(data) {
console.log("Received object: " + data.collection + ", " + data.id);
var instance = DS.get(data.collection, data.id);
if (data.action == 'changed') {
var dataListByCollection = _.groupBy(dataList, 'collection');
_.forEach(dataListByCollection, function(list, key) {
var changedElements = [];
var deletedElements = [];
var collectionString = key;
_.forEach(list, function(data) {
// uncomment this line for debugging to log all autoupdates:
// console.log("Received object: " + data.collection + ", " + data.id);
// remove (=eject) object from local DS store
var instance = DS.get(data.collection, data.id);
if (instance) {
// The instance is in the local db
dsEject(data.collection, instance);
}
DS.inject(data.collection, data.data);
} else if (data.action == 'deleted') {
if (instance) {
// The instance is in the local db
dsEject(data.collection, instance);
// check if object changed or deleted
if (data.action === 'changed') {
changedElements.push(data.data);
} else if (data.action === 'deleted') {
deletedElements.push(data.id);
} else {
console.error('Error: Undefined action for received object' +
'(' + data.collection + ', ' + data.id + ')');
}
DS.eject(data.collection, data.id);
});
// add (=inject) all given objects into local DS store
if (changedElements.length > 0) {
DS.inject(collectionString, changedElements);
}
// delete (=eject) all given objects from local DS store
// (note: js-data does not provide 'bulk eject' as for DS.inject)
_.forEach(deletedElements, function(id) {
DS.eject(collectionString, id);
});
});
});
}