Update the URL of an item via wikidata P953 value

src/itemWrapper.js

@@ -188,10 +188,14 @@ export default class ItemWrapper{
     }
 
     setPID(type, value, save=true) {
-        type = type.toUpperCase();
+
+        // the url field type as to be stay in lower case
+        if (type != 'url') {
+            type = type.toUpperCase();
+        }
         switch (type) {
             case 'DOI':
-            case 'ISBN':
+            case 'ISBN', 'url':
                 if (this.isValidField(type)) {
                     this.item.setField(type, value);
                 } else {

src/zoteroOverlay.jsx

@@ -401,6 +401,32 @@ const zoteroOverlay = {
         }
     },
 
+    /**
+     * Set the URL value of a Zotero item with the value of it's P953 wikidata element statement 
+     */
+    fetchOpenAccessUrls: async function(menuName) {
+        const items = await this.getSelectedItems(menuName);
+
+        for (const item of items) {
+            // get the QID of the item
+            const qid = item.getPID('QID');
+
+            // fetch the value of the P953 property of the element via the Wikidata API
+            const url = `https://www.wikidata.org/w/api.php?action=wbgetentities&format=json&ids=${qid}&props=claims&languages=en`;
+            const response = await Zotero.HTTP.request('GET', url);
+            const data = JSON.parse(response.responseText);
+            const claims = data.entities[qid].claims;
+            const propertyId = 'P953';
+
+            if (claims[propertyId]) {
+                const value = claims[propertyId][0].mainsnak.datavalue.value;
+
+                // set the URL field with the new Open Access URL
+                item.setPID('url', value);
+            }
+    }
+    },
+
     syncWithWikidata: async function(menuName) {
         const items = await this.getSelectedItems(menuName);
         if (items.length) {
@@ -1057,6 +1083,7 @@ const zoteroOverlay = {
     createMenuItems: function(menuName, menuPopup, IDPrefix, elementsAreRoot, doc) {
         const menuFunctions = [
             'fetchQIDs',
+            'fetchOpenAccessUrls',
             'syncWithWikidata',
             'getFromCrossref',
             'getFromOCC',

static/chrome/locale/en-US/wikicite.properties

@@ -41,7 +41,7 @@ wikicite.editor.title = Citation Editor
 wikicite.extract.unsupported = Extracting citations from file attachments not yet supported.
 wikicite.global.name = Cita
 wikicite.global.unsupported = Unsupported
-wikicite.item-menu.autolink-citations = Auto link citations with Zotero items
+wikicite.item-menu.autolink-citations = Auto link citations with Zotero items 
 wikicite.item-menu.export-file = Export citations to file
 wikicite.item-menu.export-croci = Export citations to CROCI
 wikicite.item-menu.fetch-citation-qids = Fetch QIDs for cited items
@@ -146,6 +146,7 @@ wikicite.source-item.import.progress.error = Importing citations failed
 wikicite.source-item.import.progress.loading = Importing citations...
 wikicite.source-item.import.progress.none = No citations detected
 wikicite.source-item.sync-single-citation.unsupported = Syncing individual citations with Wikidata not yet supported
+wikicite.submenu.fetch-open-access-urls = Fetch open access url(s)
 wikicite.submenu.add-as-citations = Add as citation(s) to...
 wikicite.submenu.fetch-qids = Fetch QID(s)
 wikicite.submenu.get-from-attachments = Extract citations from attachments

static/chrome/locale/fr/wikicite.properties

@@ -156,6 +156,8 @@ wikicite.source-item.import.progress.error=L’importation de citations a échou
 wikicite.source-item.import.progress.loading=Importation de citations...
 wikicite.source-item.import.progress.none=Aucune citation détectée
 wikicite.source-item.sync-single-citation.unsupported=Synchronisation de citations individuelles avec Wikidata non encore prise en charge
+# Fuzzy
+wikicite.submenu.fetch-open-access-urls=Obtenir les urls en libre accès
 wikicite.submenu.add-as-citations=Ajouter comme citations vers...
 wikicite.submenu.fetch-qids=Obtenir les QID
 wikicite.submenu.get-from-attachments=Extraire les citations des pièces jointes