86 lines
2.8 KiB
JavaScript
86 lines
2.8 KiB
JavaScript
const https = require('https');
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const fs = require('fs-extra');
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const path = require('path');
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module.exports = Self => {
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Self.remoteMethod('downloadImages', {
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description: 'Returns last entries',
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accessType: 'WRITE',
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returns: {
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type: ['Object'],
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root: true
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},
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http: {
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path: `/downloadImages`,
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verb: 'POST'
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}
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});
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Self.downloadImages = async() => {
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const models = Self.app.models;
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try {
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const tempPath = path.join('/tmp/salix-image');
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// Create temporary path
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await fs.mkdir(tempPath, {recursive: true});
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const timer = setInterval(async() => {
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const image = await Self.findOne({where: {error: null}});
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// Exit loop
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if (!image) return clearInterval(timer);
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const fileName = `${image.itemFk}.png`;
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const filePath = path.join(tempPath, fileName);
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const writeStream = fs.createWriteStream(filePath);
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writeStream.on('open', () => {
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https.get(image.url, async response => {
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if (response.statusCode != 200) {
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const error = new Error(`Could not download the image. Status code ${response.statusCode}`);
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return await errorHandler(image.itemFk, error, filePath);
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}
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response.pipe(writeStream);
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}).on('error', async error => {
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await errorHandler(image.itemFk, error, filePath);
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});
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});
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writeStream.on('error', async error => {
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await errorHandler(image.itemFk, error, filePath);
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});
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writeStream.on('finish', async function() {
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try {
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await models.Image.registerImage('catalog', fileName, filePath);
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await image.destroy();
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} catch (error) {
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await errorHandler(image.itemFk, error, filePath);
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}
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});
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}, 1000);
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} catch (error) {
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throw new Error('Try-catch error: ', error);
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}
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async function errorHandler(rowId, error, filePath) {
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try {
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const row = await Self.findById(rowId);
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if (!row)
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throw new Error(`Could not update due error ${error}`);
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await row.updateAttribute('error', error);
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if (filePath && fs.existsSync(filePath))
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await fs.unlink(filePath);
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} catch (err) {
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throw new Error(`ErrorHandler error: ${err}`);
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}
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}
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};
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};
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