add tutorial

Example-1/controller/tutorial.controller.js

@@ -0,0 +1,145 @@
+const db = require("../models");
+const Tutorial = db.tutorials;
+const Op = db.Sequelize.Op;
+
+// Create and Save a new Tutorial
+exports.create = (req, res) => {
+    // Validate request
+    if (!req.body.title) {
+      res.status(400).send({
+        message: "Content can not be empty!"
+      });
+      return;
+    }
+      // Create a Tutorial
+  const tutorial = {
+    title: req.body.title,
+    description: req.body.description,
+    published: req.body.published ? req.body.published : false
+  };
+
+  // Save Tutorial in the database
+  Tutorial.create(tutorial)
+    .then(data => {
+      res.send(data);
+    })
+    .catch(err => {
+      res.status(500).send({
+        message:
+          err.message || "Some error occurred while creating the Tutorial."
+      });
+    });
+};
+
+// Retrieve all Tutorials from the database.
+exports.findAll = (req, res) => {
+  const title = req.query.title;
+  var condition = title ? { title: { [Op.like]: `%${title}%` } } : null;
+
+  Tutorial.findAll({ where: condition })
+    .then(data => {
+      res.send(data);
+    })
+    .catch(err => {
+      res.status(500).send({
+        message:
+          err.message || "Some error occurred while retrieving tutorials."
+      });
+    });
+};
+
+// Find a single Tutorial with an id
+exports.findOne = (req, res) => {
+  const id = req.params.id;
+
+  Tutorial.findByPk(id)
+    .then(data => {
+      res.send(data);
+    })
+    .catch(err => {
+      res.status(500).send({
+        message: "Error retrieving Tutorial with id=" + id
+      });
+    });
+};
+
+// Update a Tutorial by the id in the request
+exports.update = (req, res) => {
+  const id = req.params.id;
+
+  Tutorial.update(req.body, {
+    where: { id: id }
+  })
+    .then(num => {
+      if (num == 1) {
+        res.send({
+          message: "Tutorial was updated successfully."
+        });
+      } else {
+        res.send({
+          message: `Cannot update Tutorial with id=${id}. Maybe Tutorial was not found or req.body is empty!`
+        });
+      }
+    })
+    .catch(err => {
+      res.status(500).send({
+        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.destroy({
+    where: { id: id }
+  })
+    .then(num => {
+      if (num == 1) {
+        res.send({
+          message: "Tutorial was deleted successfully!"
+        });
+      } else {
+        res.send({
+          message: `Cannot delete Tutorial with id=${id}. Maybe Tutorial was not found!`
+        });
+      }
+    })
+    .catch(err => {
+      res.status(500).send({
+        message: "Could not delete Tutorial with id=" + id
+      });
+    });
+};
+
+// Delete all Tutorials from the database.
+exports.deleteAll = (req, res) => {
+  // Tutorial.destroy({
+  //   where: {},
+  //   truncate: false
+  // })
+  //   .then(nums => {
+  //     res.send({ message: `${nums} Tutorials were deleted successfully!` });
+  //   })
+  //   .catch(err => {
+  //     res.status(500).send({
+  //       message:
+  //         err.message || "Some error occurred while removing all tutorials."
+  //     });
+  //   });
+};
+
+// Find all published Tutorials
+exports.findAllPublished = (req, res) => {
+  Tutorial.findAll({ where: { published: true } })
+  .then(data => {
+    res.send(data);
+  })
+  .catch(err => {
+    res.status(500).send({
+      message:
+        err.message || "Some error occurred while retrieving tutorials."
+    });
+  });
+};