├── README.md ├── fetchAnnotations.js ├── index.html ├── postNotes.js ├── index.js └── LICENSE /README.md: -------------------------------------------------------------------------------- 1 | # zotero 2 | sync hypothesis <-> zotero 3 | 4 | This tool reads your Zotero library, finds items imported by URL, looks for associated Hypothesis annotations, and syncs them to Zotero as child notes. 5 | 6 | Existing annotations added to Hypothesis will sync to Zotero. 7 | 8 | If you resync with no changes in Zotero or Hypothesis, nothing will happen. 9 | 10 | If you delete a Hypothesis-synced note from Zotero, then resync, it will reappear. 11 | 12 | If you update an annotation in Hypothesis, it won't resync to Zotero unless you delete the corresponding note in Zotero. 13 | 14 | Only top-level annotations will sync, replies are ignored. 15 | -------------------------------------------------------------------------------- /fetchAnnotations.js: -------------------------------------------------------------------------------- 1 | // this web worker fetches annotations for urls of zotero items 2 | 3 | // use hlib, not hlib2, because no web components in this environment 4 | self.importScripts('https://jonudell.info/hlib/hlib.bundle.js') 5 | 6 | // listen for a request to query hypothesis for annotations on a zotero item 7 | self.addEventListener('message', e => { 8 | const url = e.data.zoteroItem.url 9 | const key = e.data.zoteroItem.key 10 | const token = e.data.token 11 | 12 | const hypothesisQuery = `https://hypothes.is/api/search?uri=${url}` 13 | 14 | const opts = { 15 | method: 'get', 16 | url: hypothesisQuery 17 | } 18 | 19 | if (token) { 20 | opts.headers = { 21 | Authorization: 'Bearer ' + e.data.token, 22 | 'Content-Type': 'application/json;charset=utf-8' 23 | } 24 | } 25 | 26 | // find hypothesis annotations for a zotero item 27 | hlib 28 | .httpRequest(opts) 29 | .then( data => { 30 | const hypothesisInfo = JSON.parse(data.response) 31 | // message the caller with zotero item info plus hypothesis search results 32 | self.postMessage({ 33 | key: key, 34 | version: e.data.zoteroItem.version, 35 | url: e.data.zoteroItem.url, 36 | title: e.data.zoteroItem.title, 37 | doi: e.data.zoteroItem.doi, 38 | hypothesisAnnos: hypothesisInfo.rows, 39 | hypothesisTotal: hypothesisInfo.total 40 | }) 41 | }) 42 | .catch( e => { 43 | const msg = `fetchAnnotations failed: ${opts.url}, ${data.response}, ${JSON.stringify(e)}` 44 | self.postMessage(msg) 45 | }) 46 | }) 47 | -------------------------------------------------------------------------------- /index.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 33 | 34 | 35 | 36 | 37 |

38 | 39 |

40 | Sync Hypothesis annotations to Zotero 41 |

42 | 43 |

44 |

45 |

46 | 47 |

48 | 49 |

50 |

51 |

52 | This tool reads your Zotero library, finds items imported by URL, looks for 53 | associated Hypothesis annotations, and syncs them to Zotero as child notes. 54 |

55 |

Existing annotations added to Hypothesis will sync to Zotero.

56 |

If you resync with no changes in Zotero or Hypothesis, nothing will happen.

57 |

If you delete a Hypothesis-synced note from Zotero, then resync, it will reappear.

58 |

If you update an annotation in Hypothesis, it won't resync to Zotero unless you delete the corresponding 59 | note in Zotero.

60 |

Only top-level annotations will sync, replies are ignored.

61 | 62 | 63 |

64 | 65 |

66 | 67 |

68 | 69 | 70 | 71 | 72 | 73 | 74 | -------------------------------------------------------------------------------- /postNotes.js: -------------------------------------------------------------------------------- 1 | // this web worker imports hypothesis annotations into zotero as child notes 2 | // it adds a zotero tag to each imported note like 'hypothesis-BvFJGPmpRd-7d6g7_sOpFg' 3 | 4 | // use hlib, not hlib2, because no web components in this environment 5 | self.importScripts('https://jonudell.info/hlib/hlib.bundle.js') 6 | self.importScripts('https://jonudell.info/hlib/showdown.js') 7 | 8 | // import a hypothesis annnotation as a zotero child note 9 | function importAnnotation(zoteroKey, zoteroUserId, zoteroApiKey, anno) { 10 | const converter = new Showdown.converter() 11 | const quote = anno.quote != '' ? `

${anno.quote}

` : '' 12 | const body = converter.makeHtml(anno.text) 13 | 14 | const html = ` 15 |

Hypothesis annotation by ${anno.user}

16 | ${quote} 17 | ${body}` 18 | 19 | // params for the zotero api call to create a hypothesis-derived child note 20 | const tags = [ { tag: `hypothesis-${anno.id}` } ] 21 | for (let tag of anno.tags) { 22 | tags.push({ tag: tag }) 23 | } 24 | const params = [ 25 | { 26 | parentItem: zoteroKey, 27 | itemType: 'note', 28 | note: html, 29 | tags: tags, 30 | collections: [], 31 | relations: {} 32 | } 33 | ] 34 | 35 | const zoteroApiCall = `https://www.zotero.org/api/users/${zoteroUserId}/items/` 36 | 37 | const opts = { 38 | method: 'post', 39 | url: zoteroApiCall, 40 | params: JSON.stringify(params), 41 | headers: { 42 | 'Zotero-API-Key': `${zoteroApiKey}` 43 | } 44 | } 45 | 46 | // call zotero api to import a hypothesis-derived child note 47 | return hlib.httpRequest(opts) 48 | } 49 | 50 | function delaySeconds(seconds) { 51 | return new Promise((resolve) => setTimeout(resolve, seconds * 1000)) 52 | } 53 | 54 | // listen for a request to import one or more hypothesis annotations for a zotero item 55 | self.addEventListener('message', e => { 56 | const zoteroUserId = e.data.zoteroUserId 57 | const zoteroApiKey = e.data.zoteroApiKey 58 | const zoteroKey = e.data.annotationsToImport.key 59 | const rows = e.data.annotationsToImport.hypothesisAnnos 60 | processRows(rows) 61 | 62 | async function processRows(rows) { 63 | for (let i = 0; i < rows.length; i++) { 64 | await delaySeconds(.1) 65 | const anno = hlib.parseAnnotation(rows[i]) 66 | const result = await(importAnnotation(zoteroKey, zoteroUserId, zoteroApiKey, anno)) 67 | const user = `${anno.user}`.replace('acct:', '').replace('@hypothes.is', '') 68 | self.postMessage( 69 | `imported ${anno.id} 70 | by ${user} on ${anno.url}` 71 | ) 72 | self.postMessage({ 73 | zoteroKey: zoteroKey // echo back the zotero key so caller can track progress 74 | }) 75 | } 76 | } 77 | 78 | }) -------------------------------------------------------------------------------- /index.js: -------------------------------------------------------------------------------- 1 | function logWrite(msg) { 2 | console.log(msg) 3 | hlib.getById('viewer').innerHTML = `

${msg}

` 4 | } 5 | 6 | function logAppend(msg) { 7 | console.log(msg) 8 | hlib.getById('viewer').innerHTML += `

${msg}

` 9 | } 10 | 11 | function setZoteroApiKey() { 12 | hlib.setLocalStorageFromForm('zoteroApiKeyForm', 'h_zoteroApiKey') 13 | } 14 | 15 | function getZoteroApiKey() { 16 | return localStorage.getItem('h_zoteroApiKey') 17 | } 18 | 19 | function setZoteroUserId() { 20 | hlib.setLocalStorageFromForm('zoteroUserIdForm', 'h_zoteroUserId') 21 | } 22 | 23 | function getZoteroUserId() { 24 | return localStorage.getItem('h_zoteroUserId') 25 | } 26 | 27 | // necessary because hlib now uses fetch, which does not allow access to custom headers, 28 | // and zotero returns total-results in a custom header 29 | 30 | function _httpRequest(method, url, headers) { 31 | return new Promise(function(resolve, reject) { 32 | const xhr = new XMLHttpRequest() 33 | xhr.open(method, url) 34 | for (let header of headers) { 35 | const key = Object.keys(header)[0] 36 | xhr.setRequestHeader(key, header[key]) 37 | } 38 | xhr.onload = function() { 39 | if (this.status >= 200 && this.status < 300) { 40 | resolve({ 41 | response: xhr.response, 42 | total: xhr.getResponseHeader('total-results') 43 | }) 44 | } else { 45 | reject({ 46 | status: this.status, 47 | statusText: xhr.statusText 48 | }) 49 | } 50 | } 51 | xhr.onerror = function() { 52 | reject({ 53 | url: url, 54 | status: this.status, 55 | statusText: xhr.statusText 56 | }) 57 | } 58 | xhr.send() 59 | }) 60 | } 61 | 62 | // main entry point, wired to sync button 63 | function sync() { 64 | const offset = 0 65 | collectZoteroItems(offset, [], [], processZoteroItems) 66 | } 67 | 68 | // offset: for zotero api paging 69 | // zoteroItems: accumulator for items in the zotero library 70 | // hypothesisNotes: subset of items that are notes imported from hypothesis 71 | // processZoteroItems: handler called when all items collected 72 | function collectZoteroItems(offset, zoteroItems, hypothesisNotes, processZoteroItems) { 73 | const url = `https://www.zotero.org/api/users/${getZoteroUserId()}/items?start=${offset}&limit=50` 74 | const headers = [ { 'Zotero-API-Key': `${getZoteroApiKey()}` }, { Authorization: `Bearer ${hlib.getToken()}` } ] 75 | _httpRequest('get', url, headers) 76 | .then(function(data) { 77 | const items = JSON.parse(data.response) 78 | const total = parseInt(data.total) 79 | // summarize results and accumulate them into the array zoteroItems 80 | items.forEach(item => { 81 | const result = { 82 | key: item.key, 83 | version: item.version, 84 | doi: item.data.DOI ? item.data.DOI : null, 85 | title: item.data.title, 86 | url: item.data.url, 87 | itemType: item.data.itemType, 88 | tags: item.data.tags 89 | } 90 | zoteroItems.push(result) 91 | }) 92 | logWrite(`fetched ${zoteroItems.length} of ${total} zotero items`) 93 | if (total && zoteroItems.length >= total) { 94 | logWrite('') 95 | // we have all the items in the zotero library 96 | // we need to query hypothesis for items that have urls, looking for annotations on them 97 | zoteroItems = zoteroItems.filter(x => { 98 | let r = true 99 | if (x.itemType === 'attachment') { 100 | r = false // skip attachments, which have urls but are duplicative of primary types (newspaper article, blog post, etc.) 101 | } 102 | if (!x.url && x.itemType !== 'note') { 103 | r = false // skip other items with no url, but keep notes so we can avoid duplicate imports 104 | } 105 | return r 106 | }) 107 | // collect zotero notes that represent imported hypothesis annotations 108 | // it's the subset of notes with tags prefixed like 'hypothesis-BvFJGPmpRd-7d6g7_sOpFg 109 | // and suffixed with hypothesis ids that are in zotero and won't be reimported 110 | let _hypothesisNotes = zoteroItems.filter(x => { 111 | return x.itemType === 'note' && x.tags.length > 0 && hasHypothesisTag(x) // only zotero notes with hypothesis tags 112 | }) 113 | hypothesisNotes = hypothesisNotes.concat(_hypothesisNotes) 114 | let _hypothesisNoteKeys = _hypothesisNotes.map(x => { 115 | return x.key // capture zotero keys 116 | }) 117 | zoteroItems = zoteroItems.filter(x => { 118 | return _hypothesisNoteKeys.indexOf(x.key) == -1 // exclude _hypothesisNotes 119 | }) 120 | zoteroItems = zoteroItems.filter(x => { 121 | return x.url // exclude items with no url 122 | }) 123 | processZoteroItems(hypothesisNotes, zoteroItems) 124 | } else { 125 | // continue collecting until all pages of zotero api results are processed 126 | offset += 50 127 | collectZoteroItems(offset, zoteroItems, hypothesisNotes, processZoteroItems) 128 | } 129 | }) 130 | .catch((e) => { 131 | logAppend(JSON.stringify(e)) 132 | }) 133 | } 134 | 135 | // hypothesisNotes: zoteroItems that are child notes from hypothesis 136 | // zoteroItems: zoteroItems that are not child notes from hypothesis 137 | function processZoteroItems(hypothesisNotes, zoteroItems) { 138 | logAppend(`zotero items that could be annotated: ${zoteroItems.length}`) 139 | // spawn a worker to fetch hypothesis annotations for zotero items 140 | const annotationFetcher = new Worker('fetchAnnotations.js') 141 | 142 | const annotationFetchResults = {} 143 | 144 | // listen for messages from the annotation fetcher 145 | annotationFetcher.addEventListener('message', function(e) { 146 | annotationFetchResults[e.data.key] = e.data 147 | let fetchedCount = Object.keys(annotationFetchResults).length 148 | //logWrite(`fetchWorker got response #${fetchedCount} of ${zoteroItems.length} expected`) 149 | // expect as many messages as zotero items, if fewer, the app will time out 150 | if (fetchedCount == zoteroItems.length) { 151 | //logAppend(`all ${fetchedCount} messages received from annotation fetcher, calling importer`) 152 | annotationFetcher.terminate() 153 | 154 | // get the ids of imported hypothesis notes 155 | let excludedIds = hypothesisNotes.map(x => { 156 | let id = 'NoHypothesisId' 157 | x.tags.forEach(tag => { 158 | if (isHypothesisTag(tag)) { 159 | id = getHypothesisIdFromZoteroTag(tag) 160 | } 161 | }) 162 | return id 163 | }) 164 | 165 | let resultsToImport = [] 166 | 167 | const zoteroKeys = Object.keys(annotationFetchResults) 168 | for (let i = 0; i < zoteroKeys.length; i++) { 169 | const fetchedResultForZoteroKey = annotationFetchResults[zoteroKeys[i]] 170 | if (fetchedResultForZoteroKey.hypothesisTotal == 0) { 171 | continue 172 | } 173 | let candidateAnnos = fetchedResultForZoteroKey.hypothesisAnnos 174 | // exclude replies 175 | candidateAnnos = candidateAnnos.filter(x => { 176 | return !x.references 177 | }) 178 | // filter out the excluded rows 179 | const importAnnos = candidateAnnos.filter(x => { 180 | return excludedIds.indexOf(x.id) == -1 181 | }) 182 | fetchedResultForZoteroKey.hypothesisAnnos = importAnnos 183 | if (importAnnos.length) { 184 | resultsToImport.push(fetchedResultForZoteroKey) 185 | } 186 | } 187 | logAppend(`zotero items with new annotations to import: ${resultsToImport.length}`) 188 | if (resultsToImport.length) { 189 | importer(resultsToImport) 190 | } else { 191 | logAppend('done') 192 | } 193 | } 194 | }) 195 | 196 | // message the worker once per zotero item 197 | zoteroItems.forEach(zoteroItem => { 198 | annotationFetcher.postMessage({ 199 | zoteroItem: zoteroItem, 200 | token: hlib.getToken() // hypothesis api token so worker can read private/group annotations 201 | }) 202 | }) 203 | } 204 | 205 | function getHypothesisIdFromZoteroTag(tag) { 206 | return tag['tag'].slice(11) 207 | } 208 | function isHypothesisTag(tag) { 209 | return tag['tag'].slice(0, 11) === 'hypothesis-' 210 | } 211 | 212 | function hasHypothesisTag(zoteroItem) { 213 | let hasHypothesisTag = false 214 | zoteroItem.tags.forEach(tag => { 215 | if (isHypothesisTag(tag)) { 216 | hasHypothesisTag = true 217 | } 218 | }) 219 | return hasHypothesisTag 220 | } 221 | 222 | // a web worker called with a list of objects that contain a merge of 223 | // zotero item info and hypothesis api search results 224 | function importer(resultsToImport) { 225 | const importWorker = new Worker('postNotes.js') 226 | const objectKeys = Object.keys(resultsToImport) 227 | 228 | const expectedResponses = {} 229 | 230 | objectKeys.forEach(key => { 231 | const resultToImport = resultsToImport[key] 232 | expectedResponses[resultToImport.key] = resultToImport.hypothesisAnnos.length 233 | }) 234 | 235 | importWorker.addEventListener('message', function(e) { 236 | if (e.data.zoteroKey) { 237 | expectedResponses[e.data.zoteroKey] -= 1 238 | } else { 239 | logAppend(e.data) 240 | } 241 | let done = true 242 | Object.keys(expectedResponses).forEach(zoteroKey => { 243 | if (expectedResponses[zoteroKey]) { 244 | done = false // we haven't yet received all the messages for this key 245 | } 246 | }) 247 | if (done) { 248 | logAppend('done') 249 | importWorker.terminate() 250 | } 251 | }) 252 | 253 | objectKeys.forEach(key => { 254 | // ask the worker to import annotations for a zotero item 255 | importWorker.postMessage({ 256 | zoteroUserId: getZoteroUserId(), 257 | zoteroApiKey: getZoteroApiKey(), 258 | zoteroItemKey: key, 259 | annotationsToImport: resultsToImport[key] 260 | }) 261 | }) 262 | } 263 | 264 | const tokenContainer = hlib.getById('tokenContainer') 265 | hlib.createApiTokenInputForm(tokenContainer) 266 | 267 | const userArgs = { 268 | element: hlib.getById('zoteroUserContainer'), 269 | name: 'Zotero numeric user ID', 270 | id: 'zoteroUserId', 271 | value: getZoteroUserId(), 272 | onchange: setZoteroUserId, 273 | type: '', 274 | msg: `Zotero numeric user id from 275 | https://www.zotero.org/settings/keys` 276 | } 277 | 278 | hlib.createNamedInputForm(userArgs) 279 | 280 | const apiKeyArgs = { 281 | element: hlib.getById('zoteroApiKeyContainer'), 282 | name: 'Zotero API key', 283 | id: 'zoteroApiKey', 284 | value: getZoteroApiKey(), 285 | onchange: setZoteroApiKey, 286 | type: 'password', 287 | msg: `Zotero API key from 288 | https://www.zotero.org/settings/keys` 289 | } 290 | 291 | hlib.createNamedInputForm(apiKeyArgs) 292 | 293 | const viewer = document.getElementById('viewer') 294 | 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