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Keep sort position of observed docs consistent with real sorting and only use observed docs to publish changes in sort position #623

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Keep sort position of observed docs consistent with real sorting and only use observed docs to publish changes in sort position #623

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Keep sort position of observed docs consistent with real sorting and …
ericdepotter Sep 7, 2017
8f9fe18
Address comments
ericdepotter Sep 12, 2017
ee3651a
Merge branch 'master' of https://github.com/matteodem/meteor-easy-sea…
ericdepotter Sep 21, 2019
784eb85
Merge branch 'matteodem-master'
ericdepotter Sep 21, 2019
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42 changes: 31 additions & 11 deletions packages/easysearch_core/lib/core/search-collection.js
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Original file line number Diff line number Diff line change
Expand Up @@ -227,16 +227,17 @@ class SearchCollection {
if (observedDocs.map(d => d.__sortPosition).includes(atIndex)) {
observedDocs = observedDocs.map((doc, docIndex) => {
if (doc.__sortPosition >= atIndex) {
const newSortPosition = doc.__sortPosition + 1;
doc = collectionScope.addCustomFields(doc, {
sortPosition: doc.__sortPosition + 1,
sortPosition: newSortPosition,
});

// do not throw changed event on last doc as it will be removed from cursor
if (docIndex < observedDocs.length) {
this.changed(
collectionName,
collectionScope.generateId(doc),
doc
{__sortPosition: newSortPosition}
);
}
}
Expand All @@ -261,19 +262,37 @@ class SearchCollection {
movedTo: (doc, fromIndex, toIndex, before) => {
doc = collectionScope.engine.config.beforePublish('movedTo', doc, fromIndex, toIndex, before);
doc = updateDocWithCustomFields(doc, toIndex);
this.changed(collectionName, collectionScope.generateId(doc), doc);

let beforeDoc = collectionScope._indexConfiguration.collection.findOne(before);
const isReversed = toIndex < fromIndex;
const start = isReversed ? toIndex : fromIndex;
const end = isReversed ? fromIndex : toIndex;
const sortIncrement = isReversed ? 1 : -1;

if (beforeDoc) {
beforeDoc = collectionScope.addCustomFields(beforeDoc, {
searchDefinition: definitionString,
searchOptions: optionsString,
sortPosition: fromIndex
});
this.changed(collectionName, collectionScope.generateId(beforeDoc), beforeDoc);
const sortPositions = observedDocs.map(d => d.__sortPosition);
if (!(sortPositions.includes(start) || sortPositions.includes(end))) {
return;
}

this.changed(collectionName, collectionScope.generateId(doc), doc);
observedDocs = observedDocs.map(observedDoc => {
if (observedDoc.__sortPosition >= start && observedDoc.__sortPosition <= end) {
const isMovedDoc = doc._id === observedDoc._id;
const newSortPosition = isMovedDoc ? toIndex : observedDoc.__sortPosition + sortIncrement;
observedDoc = collectionScope.addCustomFields(observedDoc, {
sortPosition: newSortPosition,
});

if (!isMovedDoc) {
this.changed(
collectionName,
collectionScope.generateId(observedDoc),
{__sortPosition: newSortPosition}
);
}
}

return observedDoc;
});
},
removedAt: (doc, atIndex) => {
doc = collectionScope.engine.config.beforePublish('removedAt', doc, atIndex);
Expand Down Expand Up @@ -311,3 +330,4 @@ class SearchCollection {
}

export default SearchCollection;