add DOI search

Author: martaribeiro

app/javascript/src/researchOutputs/form.js

@@ -1,6 +1,9 @@
 import getConstant from '../utils/constants';
 import { isUndefined, isObject } from '../utils/isType';
 import { Tinymce } from '../utils/tinymce.js';
+import { renderNotice, renderAlert } from '../utils/notificationHelper';
+import { scrollTo } from '../utils/scrollTo';
+
 
 $(() => {
   const form = $('.research_output_form');
@@ -42,4 +45,86 @@ $(() => {
       }
     }
   });
+
+  // GET request using DOI
+  $('#fetch-info-button').on('click', (e) => {
+    e.preventDefault();
+    var doi_url = $('#research_output_doi_url').val();
+    doi_url = doi_url.trim();
+    
+    // Method to extract DOI from full URL 
+    function extractDOI(doi_url) {
+      // Regular expression to match DOI in URL
+      const doiRegex = /(10\.\d{4,}\/[\S]+)\b/i;
+      // Extract DOI using regex
+      const doiMatch = doi_url.match(doiRegex);
+      
+      // Check if there's a match and return the DOI
+      if (doiMatch) {
+          return doiMatch[1]; // Return the first capturing group
+      } else {
+          return null; // Return null if no DOI found
+      }
+  }
+    // Format DOI before AJAx call
+    var doi = extractDOI(doi_url);
+    
+    // AJAX call
+    $.ajax({
+      url: '/open_aire_service/search_proxy/' + doi,
+      type: 'GET',
+      headers: { 'Accept': 'application/*' }
+    }).done((xmlString) => {
+
+        if (xmlString == null) {
+          // Display fail notice
+          renderAlert('DOI entered returned an empty response. Please check if you have entered the DOI in the correct format i.e. 10.1234/ijdc.123456.', { className: 'alert-warning' });
+          scrollTo('#notification-area');
+        } else { // Parsing XML
+          // Setting Type
+          var type = $(xmlString).find('resulttype > classname').first().text();
+          if (type) {
+            $('#research_output_output_type').val(type);
+          } else {
+            //else block
+          }
+
+          // Setting Title as main title from response
+          var title = $(xmlString).find('title > classid').filter(function () {
+            return $(this).text() === 'main title';
+          }).siblings('__content__').first().text();
+          if (title) {
+            $('#research_output_title').val(title);
+          } else {
+            // else block
+          }
+
+          // Setting Description
+          var description = $(xmlString).find('description').first().text();
+          if (description) {
+            var description_with_html = '<p>' + description + '</p>';
+            var iframe_content = $('#research_output_description_ifr').contents().find('body#tinymce');
+            iframe_content.html(description_with_html);
+          } else {
+            // else block
+          }
+
+
+          // Setting Release date
+          var date = $(xmlString).find('dateofacceptance:first').first().text();
+          if (date) {
+            $('#research_output_release_date').val(date);
+          } else {
+            // else block
+          }
+
+          $('#research_output_doi_url').val(doi);
+          // Display success notice
+          renderNotice('Successfully retrieved the research output\'s metadata.', { className: 'alert-info' });
+        }
+      }).fail((xhr, status, error) => {
+          // Handle errors
+          alert('An error occurred while processing your request. Please try again later.');
+      });
+  });
 });