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Express CRUD
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const express = require('express'); | |
const app = express(); | |
// Use static server to serve the Express Yourself Website | |
app.use(express.static('public')); | |
const { getElementById, getIndexById, updateElement, | |
seedElements, createElement } = require('./utils'); | |
const PORT = process.env.PORT || 4001; | |
const expressions = []; | |
seedElements(expressions, 'expressions'); | |
const animals = []; | |
seedElements(animals, 'animals'); | |
// Get all expressions | |
app.get('/expressions', (req, res, next) => { | |
res.send(expressions); | |
}); | |
// Get a single expression | |
app.get('/expressions/:id', (req, res, next) => { | |
const foundExpression = getElementById(req.params.id, expressions); | |
if (foundExpression) { | |
res.send(foundExpression); | |
} else { | |
res.status(404).send(); | |
} | |
}); | |
// Update an expression | |
app.put('/expressions/:id', (req, res, next) => { | |
const expressionIndex = getIndexById(req.params.id, expressions); | |
if (expressionIndex !== -1) { | |
updateElement(req.params.id, req.query, expressions); | |
res.send(expressions[expressionIndex]); | |
} else { | |
res.status(404).send(); | |
} | |
}); | |
// Create an expression | |
app.post('/expressions', (req, res, next) => { | |
const receivedExpression = createElement('expressions', req.query); | |
if (receivedExpression) { | |
expressions.push(receivedExpression); | |
res.status(201).send(receivedExpression); | |
} else { | |
res.status(400).send(); | |
} | |
}); | |
// Delete an expression | |
app.delete('/expressions/:id', (req, res, next) => { | |
const expressionIndex = getIndexById(req.params.id, expressions); | |
if (expressionIndex !== -1) { | |
expressions.splice(expressionIndex, 1); | |
res.status(204).send(); | |
} else { | |
res.status(404).send(); | |
} | |
}); | |
// Get all animals | |
app.get('/animals', (req, res, next) => { | |
res.send(animals); | |
}); | |
// Get a single animal | |
app.get('/animals/:id', (req, res, next) => { | |
const animal = getElementById(req.params.id, animals); | |
if (animal) { | |
res.send(animal); | |
} else { | |
res.status(404).send(); | |
} | |
}); | |
// Create an animal | |
app.post('/animals', (req, res, next) => { | |
const receivedAnimal = createElement('animals', req.query); | |
if (receivedAnimal) { | |
animals.push(receivedAnimal); | |
res.status(201).send(receivedAnimal); | |
} else { | |
res.status(400).send(); | |
} | |
}); | |
// Update an animal | |
app.put('/animals/:id', (req, res, next) => { | |
const animalIndex = getIndexById(req.params.id, animals); | |
if (animalIndex !== -1) { | |
updateElement(req.params.id, req.query, animals); | |
res.send(animals[animalIndex]); | |
} else { | |
res.status(404).send(); | |
} | |
}); | |
// Delete a single animal | |
app.delete('/animals/:id', (req, res, next) => { | |
const animalIndex = getIndexById(req.params.id, animals); | |
if (animalIndex !== -1) { | |
animals.splice(animalIndex, 1); | |
res.status(204).send(); | |
} else { | |
res.status(404).send(); | |
} | |
}); | |
app.listen(PORT, () => { | |
console.log(`Server is listening on ${PORT}`); | |
}); |
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