primo commit

media/com_finder/js/indexer.js

@@ -0,0 +1,179 @@
+/**
+ * @copyright  (C) 2018 Open Source Matters, Inc. <https://www.joomla.org>
+ * @license    GNU General Public License version 2 or later; see LICENSE.txt
+ */
+// eslint-disable no-alert
+((Joomla, document) => {
+
+  if (!Joomla) {
+    throw new Error('core.js was not properly initialised');
+  }
+  Joomla.finderIndexer = () => {
+    let getRequest;
+    let totalItems = null;
+    let offset = null;
+    let progress = null;
+    let optimized = false;
+    const path = 'index.php?option=com_finder&tmpl=component&format=json';
+    const token = `&${document.getElementById('finder-indexer-token').getAttribute('name')}=1`;
+    const removeElement = id => {
+      const element = document.getElementById(id);
+      if (element) {
+        return element.parentNode.removeChild(element);
+      }
+      return null;
+    };
+    const updateProgress = (header, message) => {
+      progress = offset / totalItems * 100;
+      const progressBar = document.getElementById('progress-bar');
+      const progressHeader = document.getElementById('finder-progress-header');
+      const progressMessage = document.getElementById('finder-progress-message');
+      if (progressHeader) {
+        progressHeader.innerText = header;
+      }
+      if (progressMessage) {
+        progressMessage.innerHTML = Joomla.sanitizeHtml(message);
+      }
+      if (progressBar) {
+        if (progress < 100) {
+          progressBar.style.width = `${progress}%`;
+          progressBar.setAttribute('aria-valuenow', progress);
+        } else {
+          progressBar.classList.remove('bar-success');
+          progressBar.classList.add('bar-warning');
+          progressBar.setAttribute('aria-valuemin', 100);
+          progressBar.setAttribute('aria-valuemax', 200);
+          progressBar.style.width = `${progress}%`;
+          progressBar.setAttribute('aria-valuenow', progress);
+        }
+
+        // Auto close the window
+        if (message === Joomla.Text._('COM_FINDER_INDEXER_MESSAGE_COMPLETE')) {
+          removeElement('progress');
+          window.parent.location.reload();
+        }
+      }
+    };
+    const handleResponse = (json, resp) => {
+      const progressHeader = document.getElementById('finder-progress-header');
+      const progressMessage = document.getElementById('finder-progress-message');
+      try {
+        if (json === null) {
+          throw new Error(resp);
+        }
+        if (json.error) {
+          throw new Error(json);
+        }
+        if (json.start) {
+          // eslint-disable-next-line prefer-destructuring
+          totalItems = json.totalItems;
+          if (document.getElementById('finder-debug-data')) {
+            const debuglist = document.getElementById('finder-debug-data');
+            Object.entries(json.pluginState).forEach(context => {
+              let item = `<dt class="col-sm-3">${context[0]}</dt>`;
+              item += `<dd id="finder-${context[0].replace(/\s+/g, '-').toLowerCase()}" class="col-sm-9"></dd>`;
+              debuglist.insertAdjacentHTML('beforeend', Joomla.sanitizeHtml(item, {
+                dd: ['class', 'id'],
+                dt: ['class']
+              }));
+            });
+          }
+        }
+        offset += json.batchOffset;
+        updateProgress(json.header, json.message);
+        if (document.getElementById('finder-debug-data')) {
+          Object.entries(json.pluginState).forEach(context => {
+            document.getElementById(`finder-${context[0].replace(/\s+/g, '-').toLowerCase()}`).innerHTML = Joomla.sanitizeHtml(`${json.pluginState[context[0]].offset} of ${json.pluginState[context[0]].total}`);
+          });
+        }
+        if (offset < totalItems) {
+          getRequest('indexer.batch');
+        } else if (!optimized) {
+          optimized = true;
+          getRequest('indexer.optimize');
+        }
+      } catch (error) {
+        removeElement('progress');
+        try {
+          if (json.error) {
+            if (progressHeader) {
+              progressHeader.innerText = json.header;
+              progressHeader.classList.add('finder-error');
+            }
+            if (progressMessage) {
+              progressMessage.innerHTML = Joomla.sanitizeHtml(json.message);
+              progressMessage.classList.add('finder-error');
+            }
+          }
+        } catch (ignore) {
+          if (error === '') {
+            // eslint-disable-next-line no-ex-assign
+            error = Joomla.Text._('COM_FINDER_NO_ERROR_RETURNED');
+          }
+          if (progressHeader) {
+            progressHeader.innerText = Joomla.Text._('COM_FINDER_AN_ERROR_HAS_OCCURRED');
+            progressHeader.classList.add('finder-error');
+          }
+          if (progressMessage) {
+            progressMessage.innerHTML = Joomla.sanitizeHtml(error);
+            progressMessage.classList.add('finder-error');
+          }
+        }
+      }
+      return true;
+    };
+    const handleFailure = error => {
+      const progressHeader = document.getElementById('finder-progress-header');
+      const progressMessage = document.getElementById('finder-progress-message');
+      let data;
+      if (error instanceof Error) {
+        // Encode any html in the message
+        const div = document.createElement('div');
+        div.textContent = error.message;
+        data = div.innerHTML;
+        if (error instanceof SyntaxError) {
+          data = Joomla.Text._('JLIB_JS_AJAX_ERROR_PARSE').replace('%s', data);
+        }
+      } else if (typeof error === 'object' && error.responseText) {
+        data = error.responseText;
+        try {
+          data = JSON.parse(data);
+        } catch (e) {
+          data = Joomla.Text._('JLIB_JS_AJAX_ERROR_OTHER').replace('%s', error.status);
+        }
+      }
+      removeElement('progress');
+      const header = data && data.header ? data.header : Joomla.Text._('COM_FINDER_AN_ERROR_HAS_OCCURRED');
+      const message = data && data.message ? data.message : `${Joomla.Text._('COM_FINDER_MESSAGE_RETURNED')}<br>${data}`;
+      if (progressHeader) {
+        progressHeader.innerText = header;
+        progressHeader.classList.add('finder-error');
+      }
+      if (progressMessage) {
+        progressMessage.innerHTML = Joomla.sanitizeHtml(message);
+        progressMessage.classList.add('finder-error');
+      }
+    };
+    getRequest = task => {
+      Joomla.request({
+        url: `${path}&task=${task}${token}`,
+        promise: true
+      }).then(xhr => {
+        handleResponse(JSON.parse(xhr.responseText));
+      }).catch(error => {
+        handleFailure(error);
+      });
+    };
+    const initialize = () => {
+      offset = 0;
+      progress = 0;
+      getRequest('indexer.start');
+    };
+    initialize();
+  };
+})(Joomla, document);
+
+// @todo use directly the Joomla.finderIndexer() instead of the Indexer()!!!
+document.addEventListener('DOMContentLoaded', () => {
+  window.Indexer = Joomla.finderIndexer();
+});