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api.js
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api.js
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var bodyparser = require('body-parser');
var express = require('express');
var status = require('http-status');
var _ = require('underscore');
module.exports = function(wagner) {
var api = express.Router();
api.use(bodyparser.json());
/* Category API */
api.get('/category/id/:id', wagner.invoke(function(Category) {
return function(req, res) {
Category.findOne({ _id: req.params.id }, function(error, category) {
if (error) {
return res.
status(status.INTERNAL_SERVER_ERROR).
json({ error: error.toString() });
}
if (!category) {
return res.
status(status.NOT_FOUND).
json({ error: 'Not found' });
}
res.json({ category: category });
});
};
}));
api.get('/category/parent/:id', wagner.invoke(function(Category) {
return function(req, res) {
Category.
find({ parent: req.params.id }).
sort({ _id: 1 }).
exec(function(error, categories) {
if (error) {
return res.
status(status.INTERNAL_SERVER_ERROR).
json({ error: error.toString() });
}
res.json({ categories: categories });
});
};
}));
/* Product API */
api.get('/product/id/:id', wagner.invoke(function(Product) {
return function(req, res) {
Product.findOne({ _id: req.params.id },
handleOne.bind(null, 'product', res));
};
}));
api.get('/product/category/:id', wagner.invoke(function(Product) {
return function(req, res) {
var sort = { name: 1 };
if (req.query.price === "1") {
sort = { 'internal.approximatePriceUSD': 1 };
} else if (req.query.price === "-1") {
sort = { 'internal.approximatePriceUSD': -1 };
}
Product.
find({ 'category.ancestors': req.params.id }).
sort(sort).
exec(handleMany.bind(null, 'products', res));
};
}));
/* User API */
api.put('/me/cart', wagner.invoke(function(User) {
return function(req, res) {
try {
var cart = req.body.data.cart;
} catch(e) {
return res.
status(status.BAD_REQUEST).
json({ error: 'No cart specified!' });
}
req.user.data.cart = cart;
req.user.save(function(error, user) {
if (error) {
return res.
status(status.INTERNAL_SERVER_ERROR).
json({ error: error.toString() });
}
return res.json({ user: user });
});
};
}));
api.get('/me', function(req, res) {
if (!req.user) {
return res.
status(status.UNAUTHORIZED).
json({ error: 'Not logged in' });
}
req.user.populate({ path: 'data.cart.product', model: 'Product' }, handleOne.bind(null, 'user', res));
});
/* Stripe Checkout API */
api.post('/checkout', wagner.invoke(function(User, Stripe) {
return function(req, res) {
if (!req.user) {
return res.
status(status.UNAUTHORIZED).
json({ error: 'Not logged in' });
}
// Populate the products in the user's cart
req.user.populate({ path: 'data.cart.product', model: 'Product' }, function(error, user) {
// Sum up the total price in USD
var totalCostUSD = 0;
_.each(user.data.cart, function(item) {
totalCostUSD += item.product.internal.approximatePriceUSD *
item.quantity;
});
// And create a charge in Stripe corresponding to the price
Stripe.charges.create(
{
// Stripe wants price in cents, so multiply by 100 and round up
amount: Math.ceil(totalCostUSD * 100),
currency: 'usd',
source: req.body.stripeToken,
description: 'Example charge'
},
function(err, charge) {
if (err && err.type === 'StripeCardError') {
return res.
status(status.BAD_REQUEST).
json({ error: err.toString() });
}
if (err) {
console.log(err);
return res.
status(status.INTERNAL_SERVER_ERROR).
json({ error: err.toString() });
}
req.user.data.cart = [];
req.user.save(function() {
// Ignore any errors - if we failed to empty the user's
// cart, that's not necessarily a failure
// If successful, return the charge id
return res.json({ id: charge.id });
});
});
});
};
}));
/* text search API */
api.get('/product/text/:query', wagner.invoke(function(Product) {
return function(req, res) {
Product.
find(
{ $text : { $search : req.params.query } },
{ score : { $meta: 'textScore' } }).
sort({ score: { $meta : 'textScore' } }).
limit(10).
exec(handleMany.bind(null, 'products', res));
};
}));
return api;
};
function handleOne(property, res, error, result) {
if (error) {
return res.
status(status.INTERNAL_SERVER_ERROR).
json({ error: error.toString() });
}
if (!result) {
return res.
status(status.NOT_FOUND).
json({ error: 'Not found' });
}
var json = {};
json[property] = result;
res.json(json);
}
function handleMany(property, res, error, result) {
if (error) {
return res.
status(status.INTERNAL_SERVER_ERROR).
json({ error: error.toString() });
}
var json = {};
json[property] = result;
res.json(json);
}