[Feat]Added CRUD to practical.js

Author: shreyam462

models/practical.js

@@ -14,3 +14,38 @@ const practicalSchema = {
 
 // eslint-disable-next-line  no-unused-vars
 const Practical = connector.model("Practical", practicalSchema);
+
+//CRUD operations
+async function remove(filter) {
+  const deleteResult = await Practical.deleteMany(filter);
+  return deleteResult.acknowledged;
+}
+
+async function create(practicalData) {
+  const {
+    no, type, title, hours, cognitiveLevels,
+  } = practicalData;
+  const practical = new Practical({
+    no,
+    type,
+    title,
+    hours,
+    cognitiveLevels,
+  });
+  const practicalDoc = await practical.save();
+  return practicalDoc;
+}
+
+async function read(filter, limit = 1) {
+  const practicalDoc = await Practical.find(filter).limit(limit);
+  return practicalDoc;
+}
+
+async function update(filter, updateObject, options = { multi: true }) {
+  const updateResult = await Practical.updateMany(filter, { $set: updateObject }, options);
+  return updateResult.acknowledged;
+}
+
+export default {
+  create, read, update, remove,
+};