From ec382aa9fc7c267cac4d0a2e1fc978df14a8e772 Mon Sep 17 00:00:00 2001
From: Astha Singh <singhastha182004@gmail.com>
Date: Fri, 1 Sep 2023 16:03:14 +0530
Subject: [PATCH] #273-endpoints-for-tutorials

---
 controller/tutorial.js | 60 ++++++++++++++++++++++++++++++++++++++++++
 routes/tutorial.js     | 10 +++++++
 services/tutorial.js   | 43 ++++++++++++++++++++++++++++++
 3 files changed, 113 insertions(+)
 create mode 100644 controller/tutorial.js
 create mode 100644 routes/tutorial.js
 create mode 100644 services/tutorial.js

diff --git a/controller/tutorial.js b/controller/tutorial.js
new file mode 100644
index 0000000..be0f093
--- /dev/null
+++ b/controller/tutorial.js
@@ -0,0 +1,60 @@
+import {
+    addNewTutorial, deleteTutorialById, updateTutorialById, getTutorials,
+  } from "#services/tutorial";
+  import { logger } from "#util";
+  
+  async function addTutorial(req, res) {
+    const {
+      no, title, hours, cognitiveLevel, 
+    } = req.body;
+    try {
+      // eslint-disable-next-line max-len
+      const tutorial = await addNewTutorial(no, title, hours, cognitiveLevel,);
+      res.json({ res: `added tutorial ${tutorial.name}` });
+    } catch (error) {
+      logger.error("Error while inserting", error);
+      res.status(500);
+      res.json({ err: "Error while inserting in DB" });
+    }
+  }
+  async function deleteTutorial(req, res) {
+    const { tutorialId } = req.params;
+    try {
+      await deleteTutorialById(tutorialId);
+      res.json({ res: "Tutorial deleted successfully" });
+    } catch (error) {
+      logger.error("Error while deleting", error);
+      res.status(500);
+      res.json({ err: "Error while deleting from DB" });
+    }
+  }
+  
+  async function updateTutorial(req, res) {
+    const {
+      id, ...data
+    } = req.body;
+  
+    try {
+      await updateTutorialById(id, data);
+      res.json({ res: "tutorial updated" });
+    } catch (error) {
+      logger.error("Error while inserting", error);
+      res.status(500);
+      res.json({ err: "Error while inserting in DB" });
+    }
+  }
+  
+  async function showTutorial(req, res) {
+    try {
+      const tutorial = await getTutorials(req.query);
+      return res.json({ res: tutorial });
+    } catch (error) {
+      logger.error("Error while fetching", error);
+      res.status(500);
+      return res.json({ err: "Error while fetching the data" });
+    }
+  }
+  
+  export default {
+    addTutorial, updateTutorial, deleteTutorial, showTutorial,
+  };
\ No newline at end of file
diff --git a/routes/tutorial.js b/routes/tutorial.js
new file mode 100644
index 0000000..2c14a76
--- /dev/null
+++ b/routes/tutorial.js
@@ -0,0 +1,10 @@
+import express from "express";
+import tutorialController from "#controller/tutorial";
+
+const router = express.Router();
+router.post("/add", tutorialController.addTutorial);
+router.get("/list", tutorialController.getTutorial);
+router.post("/update", tutorialController.updateTutorial);
+router.post("/delete", tutorialController.deleteTutorial);
+
+export default router;
\ No newline at end of file
diff --git a/services/tutorial.js b/services/tutorial.js
new file mode 100644
index 0000000..cbb881e
--- /dev/null
+++ b/services/tutorial.js
@@ -0,0 +1,43 @@
+import Tutorial from "#models/tutorial";
+import databaseError from "#error/database";
+
+export async function addNewTutorial(no, title, hours, cognitiveLevel,) {
+  const newTutorial = await Tutorial.create({
+    no,
+    title,
+    hours,
+    cognitiveLevel,
+  });
+  if (newTutorial.name === name) {
+    return newTutorial;
+  }
+  throw new databaseError.DataEntryError("Add Tutorial");
+}
+
+export async function gettutorials(filter) {
+  const tutorials = await Tutorial.read(filter);
+  if (tutorials) {
+    return tutorials;
+  }
+  throw new databaseError.DataNotFoundError("Tutorial");
+}
+
+export async function deleteTutorialById(tutorialId) {
+  const deleted = await Tutorial.remove({ _id: tutorialId });
+  if (deleted) {
+    return deleted;
+  }
+  throw new databaseError.DataDeleteError("Tutorial");
+}
+
+export async function updateTutorialById(id, data) {
+  const updated = await Tutorial.update({ _id: id }, data);
+  if (updated) {
+    return updated;
+  }
+  throw new databaseError.DataEntryError("Tutorial");
+}
+
+export default {
+  deleteTutorialById, addNewTutorial, updateTutorialById,
+};
\ No newline at end of file