104 lines
3.3 KiB
JavaScript
104 lines
3.3 KiB
JavaScript
const fs = require('fs-extra');
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const sharp = require('sharp');
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const path = require('path');
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module.exports = Self => {
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Self.getPath = function() {
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return '/var/lib/salix/image';
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};
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Self.registerImage = async(collectionName, file, srcFilePath) => {
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const models = Self.app.models;
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const tx = await Self.beginTransaction({});
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const myOptions = {transaction: tx};
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try {
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const collection = await models.ImageCollection.findOne({
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fields: [
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'id',
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'name',
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'maxWidth',
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'maxHeight',
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'model',
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'property'
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],
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where: {name: collectionName},
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include: {
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relation: 'sizes',
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scope: {
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fields: ['width', 'height', 'crop']
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}
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}
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}, myOptions);
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const fileName = file.split('.')[0];
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const rootPath = Self.getPath();
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const data = {
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name: fileName,
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collectionFk: collectionName
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};
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const newImage = await Self.upsertWithWhere(data, {
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name: fileName,
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collectionFk: collectionName,
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updated: (new Date).getTime()
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}, myOptions);
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// Resizes and saves the image
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const collectionDir = path.join(rootPath, collectionName);
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const dstDir = path.join(collectionDir, 'full');
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const dstFile = path.join(dstDir, file);
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const resizeOpts = {
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withoutEnlargement: true,
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fit: 'inside'
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};
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await fs.mkdir(dstDir, {recursive: true});
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await sharp(srcFilePath, {failOnError: false})
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.resize(collection.maxWidth, collection.maxHeight, resizeOpts)
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.png()
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.toFile(dstFile);
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const sizes = collection.sizes();
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for (let size of sizes) {
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const dstDir = path.join(collectionDir, `${size.width}x${size.height}`);
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const dstFile = path.join(dstDir, file);
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const resizeOpts = {
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withoutEnlargement: true,
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fit: size.crop ? 'cover' : 'inside'
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};
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await fs.mkdir(dstDir, {recursive: true});
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await sharp(srcFilePath, {failOnError: false})
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.resize(size.width, size.height, resizeOpts)
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.png()
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.toFile(dstFile);
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}
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const model = models[collection.model];
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if (!model)
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throw new Error('Matching model not found');
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const item = await model.findById(fileName, null, myOptions);
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if (item) {
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await item.updateAttribute(
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collection.property,
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fileName,
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myOptions
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);
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}
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if (fs.existsSync(filePath))
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await fs.unlink(srcFilePath);
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await tx.commit();
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return newImage;
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} catch (e) {
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await tx.rollback();
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throw e;
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}
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};
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};
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