102 lines
2.3 KiB
JavaScript
102 lines
2.3 KiB
JavaScript
var async = require("async");
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var csv = require("fast-csv");
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var fs = require("fs");
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var through = require("through2");
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module.exports = function(input, output, feedFile, opts) {
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async.waterfall([function(next) {
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var feeds = {};
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var buf = "";
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var section = -1;
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var sections = [[], [], [], []];
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console.log("processing sections");
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fs.createReadStream(feedFile)
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.on("data", function(data) {
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buf += data.toString();
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var lines = buf.split("\n");
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buf = lines.pop();
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for(var i = 0; i < lines.length; i++) {
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let line = lines[i].replace(/[\r\n]+$/, "");
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if(line.length === 0) continue;
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if(line.slice(0, 2) === "%,") {
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section++;
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continue;
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}
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if(section === -1) { // input can be either just the CSV section or the entire pnp file
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sections[1].push(line);
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} else {
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sections[section].push(line);
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}
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}
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})
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.on("end", function() {
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next(null, sections);
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})
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}, function(sections, next) {
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console.log("associating parts");
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var components = [];
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var len = sections[1].length;
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for(var i = 0; i < len; i++) {
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let section = sections[1][i].split(",");
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components[section[6]] = {
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x: section[3],
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y: section[4],
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feed: section[5],
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slot: section[2]
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}
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}
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next(null, components);
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}, function(feeds, next) {
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var rs = fs.createReadStream(input);
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var ws = fs.createWriteStream(output);
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var wsCsv = csv.createWriteStream();
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var data = "";
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var seq = 0;
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var tr = through.obj(function(chunk, enc, done) {
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data += chunk.toString();
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var lines = data.split("\n");
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data = lines.pop();
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for(var i = 0, line; i < lines.length; i++) {
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line = lines[i];
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var match = line.replace(/[\ ]+/g, " ").split(" ");
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var p = match[1];
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var x = match[3];
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var y = match[4];
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var r = match[5];
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if(!feeds[p]) {
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if(!opts.quite)
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console.warn("No feed found for part: %s", p);
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continue;
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}
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var feed = feeds[p];
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this.push([ 0, seq++, feed.slot, x, y, r ].join(",") + "\n");
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};
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done();
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});
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rs.pipe(tr);
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tr.pipe(ws);
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}]);
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}
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