mirror of
https://github.com/orangecoding/fredy.git
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8d95f052c6
* Migrating Fredy from LowDb to SqLite 🎉
* adding new sql migration system for future sql migrations
* adding setting to change sqlite path for db files
* create migration plan for graceful migration lowdb -> sqlite
* Improving Documentation
* adding test for sqliteconnection
* upgrading dependencies
* making nodejs 22 as min version
* improve scraper
* adding overwrite ability for db migra
64 lines
2.1 KiB
JavaScript
Executable File
64 lines
2.1 KiB
JavaScript
Executable File
import utils, { buildHash } from '../utils.js';
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let appliedBlackList = [];
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function normalize(o) {
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const baseUrl = 'https://www.1a-immobilienmarkt.de';
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const link = `${baseUrl}/expose/${o.id}.html`;
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const price = normalizePrice(o.price);
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const id = buildHash(o.id, price);
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const image = baseUrl + o.image;
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const address = o.address == null ? null : o.address.trim().replaceAll('/', ',');
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return Object.assign(o, { id, price, link, image, address });
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}
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/**
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* einsAImmobilien sometimes use a weird pricing label such as `775.700,00 EUR Kaufpreis ab 2.475 € mtl`.
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* Make sure to extract only the actual price out of the string.
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* @param price
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* @returns {*}
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*/
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function normalizePrice(price) {
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if (price == null) {
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return null;
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}
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const regex = /(\d{1,3}(?:\.\d{3})*,\d{2})\s?(EUR|€)/g;
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const result = price.match(regex);
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if (result == null || result.length === 0) {
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return price;
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}
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return result[0];
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}
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function applyBlacklist(o) {
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const titleNotBlacklisted = !utils.isOneOf(o.title, appliedBlackList);
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const descNotBlacklisted = !utils.isOneOf(o.description, appliedBlackList);
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return titleNotBlacklisted && descNotBlacklisted;
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}
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const config = {
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url: null,
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crawlContainer: '.tabelle',
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sortByDateParam: 'sort_type=newest',
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waitForSelector: 'body',
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crawlFields: {
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id: '.inner_object_data input[name="marker_objekt_id"]@value | int',
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price: '.inner_object_data .single_data_price | removeNewline | trim',
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size: '.tabelle .tabelle_inhalt_infos .single_data_box | removeNewline | trim',
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title: '.inner_object_data .tabelle_inhalt_titel_black | removeNewline | trim',
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image: '.inner_object_pic img@src',
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address: '.tabelle .tabelle_inhalt_infos .left_information > div:nth-child(2) | removeNewline | trim',
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},
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normalize: normalize,
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filter: applyBlacklist,
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};
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export const init = (sourceConfig, blacklist) => {
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config.enabled = sourceConfig.enabled;
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config.url = sourceConfig.url;
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appliedBlackList = blacklist || [];
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};
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export const metaInformation = {
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name: '1a Immobilien',
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baseUrl: 'https://www.1a-immobilienmarkt.de/',
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id: 'einsAImmobilien',
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};
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export { config };
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