Artworks backend

backend/database/schema.sql

@@ -18,6 +18,7 @@ create table users (
   points INT,
   is_administrator BOOLEAN NOT NULL
 );
+
 create table artists (
   id INT PRIMARY KEY AUTO_INCREMENT NOT NULL,
   name VARCHAR(255) NOT NULL,

backend/package.json

@@ -10,6 +10,7 @@
   "dependencies": {
     "dotenv": "^16.3.1",
     "express": "^4.18.2",
+    "joi": "^17.11.0",
     "mysql2": "^3.5.2"
   },
   "devDependencies": {

backend/src/app.js

@@ -54,7 +54,7 @@ app.use(
 
 // Uncomment one or more of these options depending on the format of the data sent by your client:
 
-// app.use(express.json());
+app.use(express.json());
 // app.use(express.urlencoded());
 // app.use(express.text());
 // app.use(express.raw());

backend/src/controllers/artworksControllers.js

@@ -0,0 +1,102 @@
+// Import access to database tables
+const tables = require("../tables");
+
+// The B of BREAD - Browse (Read All) operation
+const browse = async (req, res, next) => {
+  try {
+    // Fetch all items from the database
+    const artworks = await tables.artworks.readAll();
+
+    // Respond with the items in JSON format
+    res.json(artworks);
+  } catch (err) {
+    // Pass any errors to the error-handling middleware
+    next(err);
+  }
+};
+
+// The R of BREAD - Read operation
+const read = async (req, res, next) => {
+  try {
+    // Fetch a specific item from the database based on the provided ID
+    const artwork = await tables.artworks.read(req.params.id);
+
+    // If the item is not found, respond with HTTP 404 (Not Found)
+    // Otherwise, respond with the item in JSON format
+    if (artwork == null) {
+      res.sendStatus(404);
+    } else {
+      res.json(artwork);
+    }
+  } catch (err) {
+    // Pass any errors to the error-handling middleware
+    next(err);
+  }
+};
+
+// The E of BREAD - Edit (Update) operation
+const edit = async (req, res, next) => {
+  // Extract the updated item data from the request body
+  const updatedArtwork = req.body;
+
+  try {
+    // Update the item in the database based on the provided ID
+    const success = await tables.artworks.update(req.params.id, updatedArtwork);
+
+    // If the item is not found, respond with HTTP 404 (Not Found)
+    // If the update is successful, respond with HTTP 204 (No Content)
+    if (!success) {
+      res.sendStatus(404);
+    } else {
+      res.sendStatus(204);
+    }
+  } catch (err) {
+    // Pass any errors to the error-handling middleware
+    next(err);
+  }
+};
+
+// The A of BREAD - Add (Create) operation
+const add = async (req, res, next) => {
+  // Extract the item data from the request body
+  const artwork = req.body;
+
+  try {
+    // Insert the item into the database
+    const insertId = await tables.artworks.create(artwork);
+
+    // Respond with HTTP 201 (Created) and the ID of the newly inserted item
+    res.status(201).json({ insertId });
+  } catch (err) {
+    // Pass any errors to the error-handling middleware
+    next(err);
+  }
+};
+
+// The D of BREAD - Destroy (Delete) operation
+const destroy = async (req, res, next) => {
+  try {
+    // Delete the item from the database based on the provided ID
+    const success = await tables.artworks.delete(req.params.id);
+
+    // If the item is not found, respond with HTTP 404 (Not Found)
+    // If the deletion is successful, respond with HTTP 204 (No Content)
+    if (!success) {
+      res.sendStatus(404);
+    } else {
+      res.sendStatus(204);
+    }
+  } catch (err) {
+    // Pass any errors to the error-handling middleware
+    next(err);
+  }
+};
+
+// Ready to export the controller functions
+module.exports = {
+  browse,
+  read,
+  edit,
+  add,
+  destroy,
+};