upd: *.js

Refactor methods to other scripts

assets/js/reference.js

@@ -0,0 +1,85 @@
+/**
+ * Retrieves the reference type from the server and populates the reference series dropdown.
+ *
+ * @param {HTMLElement} el - The element that triggered the function.
+ * @return {Promise} A promise that resolves with the response from the server.
+ */
+export function retrieveReferenceType(el) {
+    fetch('/reference/' + el.value, {
+        method: 'GET',
+        header: {
+            'Content-Type': 'application/json'
+        }
+    })
+        .then(response => response.json())
+        .then(results => {
+            document.querySelector('#referenceSeries').innerHTML = '';
+            var none = document.createElement('option');
+            none.value = '';
+            none.text = '-- Select --';
+            document.querySelector('#referenceSeries').appendChild(none);
+
+            for (var x in results) {
+                var newSeries = document.createElement('option');
+                newSeries.value = results[x].id;
+                newSeries.text = results[x].label;
+                document.querySelector('#referenceSeries').appendChild(newSeries);
+            }
+        });
+}
+
+/**
+ * Retrieves a reference based on the provided element value.
+ *
+ * @param {Element} el - The element triggering the reference retrieval
+ * @return {void} No return value
+ */
+export function retrieveReference(el) {
+    if (el.value == 'new') {
+        document.querySelector('#refName').style.display = 'inline-block';
+        return;
+    }
+    fetch('/get-reference', {
+        method: "POST",
+        header: {
+            "Content-Type": "application/json"
+        },
+        body: JSON.stringify({
+            id: el.value
+        })
+    })
+        .then(response => response.json())
+        .then(results => {
+            document.querySelector('#reference').value = results.text;
+        });
+}
+
+/**
+ * Saves a reference by sending a POST request to the server with the selected type,
+ * file, and text values. Displays an alert with the response message, and clears
+ * the reference and file input fields.
+ *
+ * @return {Promise} A Promise that resolves with the response message from the server.
+ */
+export function saveReference() {
+    let ref = document.querySelector('#referenceSeries');
+    let cont = document.querySelector('#reference');
+    fetch('/save-reference', {
+        method: 'POST',
+        header: {
+            'Content-Type': 'application/json'
+        },
+        body: JSON.stringify({
+            refId: ref.value,
+            text: cont.value
+        })
+    })
+        .then(response => response.json())
+        .then(results => {
+            //alert(results.msg);
+
+            document.querySelector('#reference').value = '';
+            document.querySelector('#referenceType').value = '';
+            document.querySelector('#referenceSeries').value = '';
+        });
+}