Created
March 25, 2021 10:35
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const api = require('zotero-api-client'); // >= 0.36.0 | |
const fs = require('fs'); | |
const SparkMD5 = require('spark-md5'); | |
const filedata1 = fs.readFileSync('picture-v1.jpg'); | |
const filedata2 = fs.readFileSync('picture-v2.jpg'); | |
const APIKEY = ''; | |
const USERID = ''; | |
const ITEM_KEY = ''; | |
(async () => { | |
try { | |
// get attachment item template | |
const template = (await api() | |
.template('attachment') | |
.get({ linkMode: 'imported_file' })).getData(); | |
console.log('template', template); | |
// create attachment item | |
const item = { | |
...template, | |
title: 'attached picture will override', | |
parentItem: ITEM_KEY, | |
filename: 'picture.jpg', | |
contentType: 'image/jpeg', | |
}; | |
const attachmentItem = (await api(APIKEY) | |
.library(USERID) | |
.items() | |
.post([item])).getEntityByIndex(0); | |
console.log('attachmentItem', attachmentItem); | |
// upload first version of the file | |
const response1 = await api(APIKEY) | |
.library(USERID) | |
.items(attachmentItem.key) | |
.attachment('picture.jpg', filedata1.buffer) | |
.post(); | |
console.log(response1); | |
// calculate checksum of the first attachment file | |
const md5sum = SparkMD5.ArrayBuffer.hash(filedata1.buffer); | |
// upload second version of the file overriding previous one | |
const response2 = await api(APIKEY) | |
.library(USERID) | |
.items(attachmentItem.key) | |
.attachment('picture.jpg', filedata2.buffer, null, md5sum) | |
.post(); | |
console.log(response2); | |
} catch(e) { | |
console.warn(e, e.reason, e.message, e.options); | |
} | |
})(); | |
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