122 lines
2.9 KiB
JavaScript
122 lines
2.9 KiB
JavaScript
const express = require("express");
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const bodyParser = require("body-parser");
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const app = express();
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// Middleware to parse JSON
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app.use(bodyParser.json());
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// In-memory data store for demonstration
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let attributesData = {
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attributes: [],
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};
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// CREATE - Add or update attributes
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app.post("/attributes", (req, res) => {
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const { attributes } = req.body;
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if (!attributes || !Array.isArray(attributes)) {
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return res.status(400).json({ error: "Attributes must be an array" });
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}
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for (const attribute of attributes) {
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if (!attribute.key || !attribute.value) {
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return res.status(400).json({
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error: "Each attribute must have a 'key' and 'value'",
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});
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}
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// Check if the attribute already exists; if yes, update it
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const existingIndex = attributesData.attributes.findIndex(
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(item) => item.key === attribute.key
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);
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if (existingIndex !== -1) {
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attributesData.attributes[existingIndex].value = attribute.value;
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} else {
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// Add new attribute
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attributesData.attributes.push(attribute);
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}
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}
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res.status(201).json({
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message: "Attributes updated successfully",
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attributes: attributesData.attributes,
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});
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});
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// READ - Get all attributes
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app.get("/attributes", (req, res) => {
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res.json({
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message: "Attributes retrieved successfully",
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attributes: attributesData.attributes,
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});
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});
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// READ - Get a specific attribute by key
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app.get("/attributes/:key", (req, res) => {
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const { key } = req.params;
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const attribute = attributesData.attributes.find(
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(item) => item.key === key
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);
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if (!attribute) {
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return res.status(404).json({ error: `Attribute with key '${key}' not found` });
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}
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res.json({
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message: "Attribute retrieved successfully",
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attribute,
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});
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});
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// UPDATE - Update a specific attribute by key
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app.put("/attributes/:key", (req, res) => {
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const { key } = req.params;
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const { value } = req.body;
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if (!value) {
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return res.status(400).json({ error: "Value is required to update the attribute" });
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}
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const attribute = attributesData.attributes.find(
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(item) => item.key === key
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);
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if (!attribute) {
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return res.status(404).json({ error: `Attribute with key '${key}' not found` });
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}
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// Update the value
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attribute.value = value;
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res.json({
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message: "Attribute updated successfully",
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attributes: attributesData.attributes,
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});
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});
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// DELETE - Remove a specific attribute by key
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app.delete("/attributes/:key", (req, res) => {
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const { key } = req.params;
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const index = attributesData.attributes.findIndex(
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(item) => item.key === key
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);
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if (index === -1) {
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return res.status(404).json({ error: `Attribute with key '${key}' not found` });
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}
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// Remove the attribute
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attributesData.attributes.splice(index, 1);
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res.json({
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message: "Attribute deleted successfully",
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attributes: attributesData.attributes,
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});
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});
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// Export app for serverless deployment
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module.exports = app;
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