Update

backend/app/controllers/tutorial.controller.js

@@ -0,0 +1,117 @@
+const db = require("../models/mongodb.model");
+const {sendError, sendMessage} = require ("../config/response.config");
+const Tutorial = db.tutorials;
+
+// Create and Save a new Tutorial
+exports.create = (req, res) => {
+  // Validate request
+  if (!req.body.title) {
+    sendError(res, 400,-1,"Content can not be empty!" );
+  }
+
+  // Create a Tutorial
+  const tutorial = new Tutorial({
+    title: req.body.title,
+    description: req.body.description,
+    published: req.body.published ? req.body.published : false
+  });
+
+  // Save Tutorial in the database
+  tutorial
+    .save(tutorial)
+    .then(data => {
+      sendMessage(res, 1, data)
+    })
+    .catch(err => {
+      sendError(res, 500,-1,err.message || "Some error occurred while creating the Tutorial.");
+    });
+};
+
+// Retrieve all Tutorials from the database.
+exports.findAll = (req, res) => {
+  const title = req.query.title;
+  let condition = title ? { title: { $regex: new RegExp(title), $options: "i" } } : {};
+
+  Tutorial.find(condition)
+    .then(data => {
+      sendMessage(res, 1, data)
+    })
+    .catch(err => {
+      sendError(res,500,-1,err.message || "Some error occurred while retrieving tutorials.");
+    });
+};
+
+// Find a single Tutorial with an id
+exports.findOne = (req, res) => {
+  const id = req.params.id;
+
+  Tutorial.findById(id)
+    .then(data => {
+      if (!data)
+        sendError(res,404,-1,"Not found Tutorial with id " + id );
+      else sendMessage(res, 1, data);
+    })
+    .catch(err => {
+      sendError(res,500,-1,err.message || "Error retrieving Tutorial with id=" + id );
+    });
+};
+
+// Update a Tutorial by the id in the request
+exports.update = (req, res) => {
+  if (!req.body) {
+    sendError(res,400,-1,"Data to update can not be empty!");
+  }
+
+  const id = req.params.id;
+
+  Tutorial.findByIdAndUpdate(id, req.body, { useFindAndModify: false })
+    .then(data => {
+      if (!data) {
+        sendError(res,404,-1,`Cannot update Tutorial with id=${id}. Maybe Tutorial was not found!`);
+      } else sendMessage(res, 1, { message: "Tutorial was updated successfully." });
+    })
+    .catch(err => {
+      sendError(res,500,-1,err.message || "Error updating Tutorial with id=" + id);
+    });
+};
+
+// Delete a Tutorial with the specified id in the request
+exports.delete = (req, res) => {
+  const id = req.params.id;
+
+  Tutorial.findByIdAndRemove(id)
+    .then(data => {
+      if (!data) {
+        sendError(res,404,-1,`Cannot delete Tutorial with id=${id}. Maybe Tutorial was not found!`);
+      } else {
+        sendMessage(res, 1, { message: "Tutorial was deleted successfully!" });
+      }
+    })
+    .catch(err => {
+      sendError(res,500,-1,err.message || "Could not delete Tutorial with id=" + id);
+    });
+};
+
+// Delete all Tutorials from the database.
+exports.deleteAll = (req, res) => {
+  Tutorial.deleteMany({})
+    .then(data => {
+      sendMessage(res, 1, {
+        message: `${data.deletedCount} Tutorials were deleted successfully!`
+      });
+    })
+    .catch(err => {
+      sendError(res,500,-1,err.message || "Some error occurred while removing all tutorials.");
+    });
+};
+
+// Find all published Tutorials
+exports.findAllPublished = (req, res) => {
+  Tutorial.find({ published: true })
+    .then(data => {
+      sendMessage(res, 1, data);
+    })
+    .catch(err => {
+      sendError(res,500,-1,err.message || "Some error occurred while retrieving tutorials.");
+    });
+};