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Merge pull request #622 from danactive/add-heic-temp-generation
Add heic temp generation
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1 +1 @@ | ||
| v20.12.1 | ||
| v20.15.0 |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,15 @@ | ||
| import type { NextApiRequest, NextApiResponse } from 'next' | ||
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| import post from '../../../../src/lib/heifs' | ||
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| export default async function handler(req: NextApiRequest, res: NextApiResponse) { | ||
| const { method, body } = req | ||
| switch (method) { | ||
| case 'POST': { | ||
| const out = await post(body.files, body.destinationPath, true) | ||
| return res.status(out.status).json(out.body) | ||
| } | ||
| default: | ||
| return res.status(405) | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,101 @@ | ||
| import convert from 'heic-convert' | ||
| import { readFile, writeFile } from 'node:fs/promises' | ||
| import { basename } from 'node:path' | ||
| import type { Filesystem } from './filesystems' | ||
| import utilsFactory, { isStandardError } from './utils' | ||
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| type ResponseBody = { | ||
| created: string[]; | ||
| } | ||
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| type ErrorOptionalMessage = ResponseBody & { error?: { message: string } } | ||
| const errorSchema = (message: string): ErrorOptionalMessage => { | ||
| const out = { created: [] } | ||
| if (!message) return out | ||
| return { ...out, error: { message } } | ||
| } | ||
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| type ResponseEnvelope = { | ||
| body: ResponseBody; | ||
| status: number; | ||
| } | ||
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| function uniqueHeifs(files: Filesystem[]) { | ||
| const groupedFiles = files.reduce((groups: Record<string, Filesystem[]>, file) => { | ||
| const nameWithoutExt = basename(file.name, file.ext) | ||
| if (!groups[nameWithoutExt]) { | ||
| // eslint-disable-next-line no-param-reassign | ||
| groups[nameWithoutExt] = [] | ||
| } | ||
| groups[nameWithoutExt].push(file) | ||
| return groups | ||
| }, {}) | ||
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| const heifFilesWithoutJpg = Object.values(groupedFiles) | ||
| .filter((filteredFiles) => filteredFiles.some((file) => file.ext === 'heic') && !filteredFiles.some((file) => file.ext === 'jpg')) | ||
| .flat() | ||
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| return heifFilesWithoutJpg | ||
| } | ||
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| const utils = utilsFactory() | ||
| async function processHeif(file: Filesystem, destinationPath: string): Promise<string> { | ||
| const filenameHeif = utils.filenameAsJpg(file.filename) | ||
| // eslint-disable-next-line no-await-in-loop | ||
| const inputBuffer = await readFile(`public/${file.path}`) | ||
| // eslint-disable-next-line no-await-in-loop | ||
| const outputBuffer = await convert({ | ||
| buffer: inputBuffer, // the HEIF file buffer | ||
| format: 'JPEG', // output format | ||
| quality: 0.8, // the jpeg compression quality, between 0 and 1 | ||
| }) | ||
| // eslint-disable-next-line no-await-in-loop | ||
| await writeFile(`public${destinationPath}/${filenameHeif}`, new Uint8Array(outputBuffer)) | ||
| return filenameHeif | ||
| } | ||
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| async function post<T extends boolean = false>( | ||
| files: Filesystem[], | ||
| destinationPath: string, | ||
| returnEnvelope?: T, | ||
| ): Promise<T extends true ? ResponseEnvelope : ResponseBody>; | ||
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| /** | ||
| * Generate a photo image from HEIF files | ||
| * @param {string} destinationPath path to save the converted files | ||
| * @param {boolean} returnEnvelope will enable a return value with HTTP status code and body | ||
| * @returns {Promise} files | ||
| */ | ||
| async function post( | ||
| files: Filesystem[], | ||
| destinationPath: string, | ||
| returnEnvelope = false, | ||
| ) { | ||
| try { | ||
| const heifs: string[] = [] | ||
| for (const file of uniqueHeifs(files)) { | ||
| // eslint-disable-next-line no-await-in-loop | ||
| heifs.push(await processHeif(file, destinationPath)) | ||
| } | ||
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| const body = { created: heifs } | ||
| if (returnEnvelope) { | ||
| return { body, status: 200 } | ||
| } | ||
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| return body | ||
| } catch (e) { | ||
| if (returnEnvelope && isStandardError(e)) { | ||
| return { body: errorSchema(e.message), status: 400 } | ||
| } | ||
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| if (returnEnvelope) { | ||
| return { body: errorSchema('Fail to process HEIFs'), status: 400 } | ||
| } | ||
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| throw e | ||
| } | ||
| } | ||
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| export { type ResponseBody as HeifResponseBody } | ||
| export default post |
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