72 lines
1.6 KiB
JavaScript
72 lines
1.6 KiB
JavaScript
const getHighestOrder = function({collection, charId}){
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const highestOrderedDoc = collection.findOne({
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charId
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}, {
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fields: {order: 1},
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sort: {order: -1},
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});
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return (highestOrderedDoc && highestOrderedDoc.order) || 0;
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}
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const moveDocToOrder = function({collection, doc, order}){
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const currentOrder = doc.order;
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if (currentOrder === order){
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return;
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} else {
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// Move the document to its new order
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collection.update(doc._id, {$set: {order}});
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let inBetweenSelector, increment;
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if (order > currentOrder){
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// Move in-between docs backward
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inBetweenSelector = [
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{$gt: currentOrder},
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{$lte: order},
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];
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increment = -1;
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} else if (order < currentOrder){
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// Move in-between docs forward
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inBetweenSelector = [
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{$lt: currentOrder},
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{$gte: order},
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];
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increment = 1;
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}
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collection.update({
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order: {$and: inBetweenSelector},
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charId: doc.charId,
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}, {
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$inc: {order: increment},
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}, {
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multi: true,
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});
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}
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};
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const reorderDocs = function({collection, charId}){
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let bulkWrite = [];
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collection.find({
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charId
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}, {
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fields: {order: 1},
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sort: {order: 1}
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}).forEach((doc, index) => {
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if (doc.order !== index){
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bulkwrite.push({
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updateOne : {
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filter: {_id: doc._id},
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update: {$set: {order: index}},
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},
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});
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}
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});
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if (Meteor.isServer){
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collection.rawCollection().bulkWrite(bulkWrite);
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} else {
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bulkWrite.forEach(op => {
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collection.update(op.filter, op.update);
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});
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}
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};
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export { getHighestOrder, moveDocToOrder, reorderDocs };
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