265 lines
8.0 KiB
JavaScript
265 lines
8.0 KiB
JavaScript
import { Meteor } from 'meteor/meteor';
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if(Meteor.isServer) {
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WebApp.connectHandlers.use("/reports/AnnualTotals", (req, res, next) => {
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try {
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let result = Meteor.collections.Sales.aggregate([{$group: {_id: {$substr: ['$date', 0, 4]}, total: {$sum: {$multiply: ["$price", "$amount"]}}}}]);
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result.toArray().then(function(result) {
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res.writeHead(200, {'Content-Type': 'text/csv'});
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res.write("Year,Sales Total\n");
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for(let i = 0; i < result.length; i++) {
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res.write(result[i]._id);
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res.write(",");
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res.write("" + result[i].total);
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res.write("\n");
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}
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res.end();
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});
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} catch(err) {
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console.log(err);
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res.end();
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}
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});
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WebApp.connectHandlers.use("/reports/MonthlyTotals", (req, res, next) => {
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try {
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let result = Meteor.collections.Sales.aggregate([{$group: {_id: {$substr: ['$date', 0, 6]}, total: {$sum: {$multiply: ["$price", "$amount"]}}}}]);
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result.toArray().then(function(result) {
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res.writeHead(200, {'Content-Type': 'text/csv'});
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res.write("Date,Sales Total\n");
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result.sort(function(a, b) {
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return parseInt(a._id) - parseInt(b._id);
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});
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for(let i = 0; i < result.length; i++) {
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res.write(result[i]._id.substr(4, 2) + "/" + result[i]._id.substr(0, 4));
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res.write(",");
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res.write("" + result[i].total);
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res.write("\n");
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}
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res.end();
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});
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} catch(err) {
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console.log(err);
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res.end();
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}
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});
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WebApp.connectHandlers.use("/reports/TagTotals", (req, res, next) => {
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try {
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//Aggregate all the sales by product id & year, then later create a map between products and tags to create tag totals.
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let result = Meteor.collections.Sales.aggregate([{
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$group: {
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_id: {$concat: ["$productId", "-", {$substr: ['$date', 0, 4]}]},
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productId: {$first: "$productId"},
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year: {$first: {$substr: ['$date', 0, 4]}},
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total: {$sum: {$multiply: ["$price", "$amount"]}}
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}
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}]);
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result.toArray().then(function(result) {
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let productSalesTotalsMapByYear = {};
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//Create a map of maps: year -> product id -> sales totals.
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for(let next of result) {
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let productSalesTotalsMap = productSalesTotalsMapByYear[next.year];
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//Create the map if necessary.
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if(productSalesTotalsMap === undefined) productSalesTotalsMap = productSalesTotalsMapByYear[next.year] = {};
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productSalesTotalsMap[next.productId] = next.total;
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}
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//Now create a mapping between the tag id's and tag names for later use.
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let tagIdToTagNameMap = {};
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let tags = Meteor.collections.ProductTags.find({}, {fields: {_id: 1, name: 1}}).fetch();
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for(let tag of tags) {
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tagIdToTagNameMap[tag._id] = tag.name;
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}
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//Now create a map between tag names -> [product ids] so that we can build a table below.
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let tagProductIdsMap = {};
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let products = Meteor.collections.Products.find({}, {fields: {_id: 1, tags: 1}}).fetch();
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for(let product of products) {
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for(let tagId of product.tags) {
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let tagName = tagIdToTagNameMap[tagId];
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let productIds = tagProductIdsMap[tagName];
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//Initialize the array if undefined, and add to the mapping.
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if(productIds === undefined) productIds = tagProductIdsMap[tagName] = [];
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productIds.push(product._id);
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}
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}
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//Collect the years in ascending oder.
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let years = Object.keys(productSalesTotalsMapByYear).sort(function(a, b) {return parseInt(a) - parseInt(b);});
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//Write the response table.
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res.writeHead(200, {'Content-Type': 'text/csv'});
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//Start with the table headers: Tag, Year1, Year2, ..
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res.write("Tag");
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//Iterate over the years and add them to the headers.
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for(let year of years) {
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res.write("," + year);
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}
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res.write('\n');
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//Now write the tag name, and the annual totals for each tag as a row.
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for(let tagName in tagProductIdsMap) {
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let productIds = tagProductIdsMap[tagName];
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//console.log(result[i].name + "::" + result[i].total);
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res.write(tagName);
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//Iterate over each year to add its total as a column.
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for(let year of years) {
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let productSalesTotalsMap = productSalesTotalsMapByYear[year];
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let annualTotal = 0;
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//Iterate over all the product id's for the tag and sum the annual totals for each product that is tagged.
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for(productId of productIds) {
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let productAnnualTotal = productSalesTotalsMap[productId];
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if(productAnnualTotal) annualTotal += productAnnualTotal;
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}
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res.write("," + annualTotal);
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}
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res.write('\n');
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}
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res.end();
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//let tagSalesTotals = [];
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//let tagIdToNameMap = [];
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////Find all products and collect sales totals by tag id.
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//let products = Meteor.collections.Products.find({}, {fields: {_id: 1, tags: 1}}).fetch();
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//
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//for(let product of products) {
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// for(let tag of product.tags) {
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// let tagSalesTotal = tagSalesTotals[tag];
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// let productSalesTotal = productSalesTotalsMap[product._id];
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//
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// if(tagSalesTotal === undefined) tagSalesTotal = 0;
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// if(productSalesTotal === undefined) productSalesTotal = 0;
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//
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// tagSalesTotals[tag] = tagSalesTotal + productSalesTotal;
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// }
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//}
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//
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////Find all tags and convert the tag id's to tag names.
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//let tags = Meteor.collections.ProductTags.find({}, {fields: {_id: 1, name: 1}}).fetch();
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//
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//for(let tag of tags) {
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// tagIdToNameMap[tag._id] = tag.name;
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//}
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////Write the response table.
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//res.writeHead(200, {'Content-Type': 'text/csv'});
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//
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//res.write("Tag,Sales Total\n");
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//
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////result.sort(function(a, b) {
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//// return a.name > b.name ? 1 : -1;
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////});
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//
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//for(let tagId in tagSalesTotals) {
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// let tagTotal = tagSalesTotals[tagId];
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// let tagName = tagIdToNameMap[tagId];
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//
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// //console.log(result[i].name + "::" + result[i].total);
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// res.write(tagName + ',' + tagTotal + '\n');
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//}
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//
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//res.end();
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}).catch((err) => {
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console.log(err);
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res.end();
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});
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//Get all tags
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//Get all products for each tag
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//Total all sales for each product
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//let tags = Meteor.collections.ProductTags.find({},{fields: {_id: 1, name: 1}}).fetch();
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//let result = [];
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//
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//for(let tag of tags) {
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// let tagTotal = 0;
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// let products = Meteor.collections.Products.find({tags: tag._id}, {fields: {_id: 1}}).fetch();
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//
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// for(let product of products) {
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// let sales = Meteor.collections.Sales.find({productId: product._id}, {fields: {amount: 1, price: 1, _id: 0}}).fetch();
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//
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// for(let sale of sales) {
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// tagTotal += sale.amount * sale.price;
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// }
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// }
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//
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// result.push({name: tag.name, total: tagTotal});
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//}
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//res.writeHead(200, {'Content-Type': 'text/csv'});
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//
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//res.write("Tag,Sales Total\n");
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//
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//result.sort(function(a, b) {
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// return a.name > b.name ? 1 : -1;
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//});
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//
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//for(let i = 0; i < result.length; i++) {
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// console.log(result[i].name + "::" + result[i].total);
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// res.write(result[i].name);
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// res.write(",");
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// res.write("" + result[i].total);
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// res.write("\n");
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//}
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//
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//res.end();
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} catch(err) {
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console.log(err);
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res.end();
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}
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});
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WebApp.connectHandlers.use("/reports/WeekYearTable", (req, res, next) => {
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try {
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let result = Meteor.collections.Sales.aggregate([{$group: {_id: {$substr: ['$date', 0, 6]}, total: {$sum: {$multiply: ["$price", "$amount"]}}}}]);
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result.toArray().then(function(result) {
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res.writeHead(200, {'Content-Type': 'text/csv'});
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res.write("Date,Sales Total\n");
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result.sort(function(a, b) {
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return parseInt(a._id) - parseInt(b._id);
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});
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for(let i = 0; i < result.length; i++) {
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res.write(result[i]._id.substr(4, 2) + "/" + result[i]._id.substr(0, 4));
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res.write(",");
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res.write("" + result[i].total);
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res.write("\n");
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}
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res.end();
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});
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} catch(err) {
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console.log(err);
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res.end();
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}
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});
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} |