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combine-xml.js
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const fs = require('fs');
const XmlStream = require('xml-stream');
const async = require("async");
const dir = './data/meta-xmls/';
const systemIdent = 'system:';
const fatStructure = {};
// preperation
const combinedFile = dir + 'combined.xml';
if (fs.existsSync(combinedFile)) {
fs.unlinkSync(combinedFile);
}
function htmlEntities(str) {
return String(str).replace(/&/g, '&').replace(/</g, '<').replace(/>/g, '>').replace(/"/g, '"');
}
// run through the files
fs.promises.readdir(dir).then((files) => {
async.series(files.map((file) => {
return function (cb) {
const regex = new RegExp('\\.xml$', 'gm')
if (regex.test(file)) {
console.log('starting ' + file);
const xmlFileReadStream = fs.createReadStream(dir + file);
const reader = new XmlStream(xmlFileReadStream);
let currentType;
reader.collect('attribute');
reader.collect('description');
reader.collect('display-name');
reader.collect('value-definition');
reader.collect('display');
reader.collect('unit');
reader.on('startElement: type-extension', (el) => {
currentType = el['$']['type-id'];
if (!fatStructure[currentType]) {
fatStructure[currentType] = {
'custom-attribute-definitions': {},
'group-definitions': {}
}
}
// console.log(file + ': ' + currentType);
});
reader.on('endElement: type-extension custom-attribute-definitions attribute-definition', (el) => {
try {
const currentAttribute = el['$']['attribute-id'];
if (!fatStructure[currentType]['custom-attribute-definitions'][currentAttribute]) {
fatStructure[currentType]['custom-attribute-definitions'][currentAttribute] = el;
} else {
// deep compare
Object.keys(el).forEach((key) => {
const existing = fatStructure[currentType]['custom-attribute-definitions'][currentAttribute][key];
if (JSON.stringify(existing) !== JSON.stringify(el[key])) {
if (Array.isArray(el[key]) && Array.isArray(existing)) {
el[key].forEach((item) => {
if (item.$ && item.$['xml:lang']) {
let found = false;
for (let i = 0; i < existing.length; i++) {
if (currentAttribute === 'age') {
console.log('comparing ' + existing[i].$['xml:lang'] + ' == ' + item.$['xml:lang']);
}
if (existing[i].$['xml:lang'] === item.$['xml:lang']) {
existing[i] = item;
found = true;
break;
}
}
if (!found) {
existing.push(item);
}
} else {
console.log('a Difference of ' + key + ' of ' + currentAttribute + ' ' + currentType);
console.log(fatStructure[currentType]['custom-attribute-definitions'][currentAttribute][key]);
console.log(el[key]);
exit;
}
})
} else if (typeof (el[key]) === 'object' && typeof(existing) === 'object') {
if (key === 'value-definitions') {
// run the the definition array
el[key]['value-definition'].forEach((def) => {
let foundEntry = false;
for (let i = 0; i < existing['value-definition'].length; i++) {
if (def.value === existing['value-definition'][i].value) {
foundEntry = true;
def.display.forEach((item) => {
// test the display values
let found = false;
for (let k = 0; k < existing['value-definition'][i].display.length; k++) {
if (existing['value-definition'][i].display[k].$['xml:lang'] === item.$['xml:lang']) {
existing['value-definition'][i].display[k] = item;
found = true;
break;
}
}
if (!found) {
existing['value-definition'][i].display.push(item);
}
})
}
}
if (!foundEntry) {
existing['value-definition'].push(def);
}
})
} else {
console.log('b Difference of ' + key + ' of ' + currentAttribute + ' ' + currentType);
console.log(fatStructure[currentType]['custom-attribute-definitions'][currentAttribute][key]);
console.log(el[key]);
exit;
}
} else {
if (existing !== undefined) {
console.log(` > Setting ${key} of ${currentType}:${currentAttribute} from ${existing} to ${el[key]} `);
}
fatStructure[currentType]['custom-attribute-definitions'][currentAttribute][key] = el[key];
}
}
})
}
} catch (e) {
console.log(e);
exit;
}
});
reader.on('endElement: type-extension attribute-group', (el) => {
const groupId = el.$['group-id'];
if (!fatStructure[currentType]['group-definitions'][groupId]) {
fatStructure[currentType]['group-definitions'][groupId] = {
'display-name' : el['display-name'],
'attribute' : [],
}
}
el.attribute?.forEach((attributeNode) => {
const attributeName = (attributeNode.$['system'] ? systemIdent : '') + attributeNode.$['attribute-id'];
if (fatStructure[currentType]['group-definitions'][groupId]['attribute'].indexOf(attributeName) < 0) {
fatStructure[currentType]['group-definitions'][groupId]['attribute'].push(attributeName)
}
});
})
reader.on('end', () => {
console.log('done ' + file);
cb();
})
} else {
console.log('Ignoring ' + file);
cb();
}
}
}), async () => {
console.log('Done with all :)');
const inquirer = require('inquirer');
/**
* holds a couple of custom functions, which can return true (definete yes), false (definete no) or null (I don't care)
* @type {{shouldIncludeCustomAttribute?: function}}
*/
const config = fs.existsSync('./data/config.js') ? require('./data/config') : {};
const answers = await inquirer.prompt([
{
type: 'confirm',
name: 'filter',
message: 'Would you like to filter out unused custom attributes (please make sure the analyser ran before)',
default: true
}
]);
const filterPrefs = answers.filter ? require('./data/result/custom-attribute-usage.json') : {};
console.log('Writing the combined file');
const indentString = ' ';
const attributeDefinitionChildOrder = [
'display-name',
'description',
'type',
'localizable-flag',
'site-specific-flag',
'mandatory-flag',
'visible-flag',
'externally-managed-flag',
'order-required-flag',
'externally-defined-flag',
'field-length',
'field-height',
'min-value',
'max-value',
'min-length',
'select-multiple-flag',
'unit',
'value-definitions',
'default-value'
];
const fileWriter = fs.createWriteStream(combinedFile);
const langCompare = (a, b) => {
if (a.$['xml:lang'] === b.$['xml:lang']) {
return 0;
} else if (a.$['xml:lang'] === 'x-default') {
return -1;
} else if (b.$['xml:lang'] === 'x-default') {
return 1;
} else {
return a.$['xml:lang'].localeCompare(b.$['xml:lang']);
}
};
const sortAndFilterLabels = (labelArray) => {
const langs = {
}
if (labelArray) {
labelArray.sort(langCompare).forEach((langItem) => {
const lang = langItem.$['xml:lang'];
const label = langItem.$text;
if (lang === 'x-default') {
langs[lang] = label;
return true;
} else {
if (langs['x-default'] && label === langs['x-default']) {
// filter out duplicated labels
return false;
} else if (lang.length === 2) {
langs[lang] = label;
return true;
} else {
const parts = lang.split('-');
if (!langs[parts[0]]) {
langs[parts[0]] = label;
return false;
} else if (langs[parts[0]] === label) {
return false;
}
}
}
langs[lang] = label;
return true;
});
}
labelArray = Object.keys(langs).map((lang) => {
return { '$': { 'xml:lang': lang }, '$text': langs[lang] };
});
return labelArray;
}
const shouldIncludeCustomAttribute = (typeId, attributeId) => {
if (config.shouldIncludeCustomAttribute) {
const customResult = config.shouldIncludeCustomAttribute(typeId, attributeId, fatStructure[typeId]['custom-attribute-definitions'][attributeId]);
if (typeof customResult === 'boolean') {
return customResult;
}
}
return filterPrefs[typeId] && filterPrefs[typeId][attributeId] && filterPrefs[typeId][attributeId].count !== 0
}
const shouldIncludeGroupAttribute = (typeId, attributeId) => {
if (attributeId.indexOf(systemIdent) === 0) {
return true;
}
return shouldIncludeCustomAttribute(typeId, attributeId);
}
function writeXMLNode (tagName, attributes, indent = 0) {
const isNode = typeof attributes === 'object'
const nodeText = !isNode ? attributes : attributes.$text;
const children = isNode ? Object.keys(attributes).filter((childTag) => {
return childTag.indexOf('$') !== 0;
}) : [];
switch (tagName) {
// assure a certain order of children (SFCC import requires it)
case 'attribute-definition':
children.sort(function (a, b) {
return attributeDefinitionChildOrder.indexOf(a) - attributeDefinitionChildOrder.indexOf(b);
})
if (attributes['display-name']) {
attributes['display-name'] = sortAndFilterLabels(attributes['display-name']);
}
break;
case 'value-definition':
// sort the display nodes
if (attributes.display) {
attributes.display = sortAndFilterLabels(attributes.display);
}
break;
// prevent a few default tags fro beeing written
case 'select-multiple-flag':
if (nodeText === 'false') {
return;
}
break;
}
fileWriter.write(`${indentString.repeat(indent)}<${tagName}${
attributes.$ ? ' ' + Object.keys(attributes.$).map((key) => {
return key + '="' + attributes.$[key] + '"';
}).join(' ') : ''
}${nodeText || children.length ? '>' : '/>'}`);
if (nodeText) {
fileWriter.write(htmlEntities(nodeText));
}
if (children.length) {
fileWriter.write('\n');
children.forEach((childTag) => {
if (Array.isArray(attributes[childTag])) {
attributes[childTag].forEach((childAttributes) => {
writeXMLNode(childTag, childAttributes, indent + 1);
})
} else {
writeXMLNode(childTag, attributes[childTag], indent + 1);
}
});
}
if (nodeText || children.length) {
fileWriter.write(`${children.length ? indentString.repeat(indent) : ''}</${tagName}>`);
}
fileWriter.write('\n');
}
fileWriter.write(`<?xml version="1.0" encoding="UTF-8"?>\n`);
fileWriter.write(`<metadata xmlns="http://www.demandware.com/xml/impex/metadata/2006-10-31">\n`);
Object.keys(fatStructure).sort().forEach(function (typeId) {
fileWriter.write(` <type-extension type-id="${typeId}">\n`);
const attributeIds = Object.keys(fatStructure[typeId]['custom-attribute-definitions']).filter(shouldIncludeCustomAttribute.bind(null, typeId));
if (attributeIds.length) {
fileWriter.write(` <custom-attribute-definitions>\n`);
attributeIds.forEach((attributeId) => {
writeXMLNode('attribute-definition', fatStructure[typeId]['custom-attribute-definitions'][attributeId], 3)
})
fileWriter.write(` </custom-attribute-definitions>\n`);
if (Object.keys(fatStructure[typeId]['group-definitions']).length) {
// do not write empty group definitions
if (Object.keys(fatStructure[typeId]['group-definitions']).some((groupId) => {
return fatStructure[typeId]['group-definitions'][groupId].attribute.length &&
fatStructure[typeId]['group-definitions'][groupId].attribute.some(shouldIncludeGroupAttribute.bind(null, typeId))
})) {
fileWriter.write(` <group-definitions>\n`);
Object.keys(fatStructure[typeId]['group-definitions']).forEach((groupId) => {
if (fatStructure[typeId]['group-definitions'][groupId].attribute.some(shouldIncludeGroupAttribute.bind(null, typeId))) {
fileWriter.write(` <attribute-group group-id="${groupId}">\n`);
fatStructure[typeId]['group-definitions'][groupId]['display-name']?.forEach((nodeConf) => {
writeXMLNode('display-name', nodeConf, 4);
})
fatStructure[typeId]['group-definitions'][groupId].attribute.forEach((attributeId) => {
if (shouldIncludeGroupAttribute(typeId, attributeId)) {
let isSystem = false;
if (attributeId.indexOf(systemIdent) === 0) {
isSystem = true;
attributeId = attributeId.replace(systemIdent, '');
}
fileWriter.write(` <attribute attribute-id="${attributeId}"${isSystem ? ' system="true"' : ''}/>\n`);
}
});
fileWriter.write(` </attribute-group>\n`);
}
});
fileWriter.write(` </group-definitions>\n`);
}
}
}
fileWriter.write(` </type-extension>\n`);
})
fileWriter.write(`</metadata>`);
fileWriter.close();
})
})
// const xmlFileReadStream = createReadStream('./data/meta-xmls/')