remove a mongoose entry with express - node.js

Question

I am new to the whole mean stack. I am about to create a CRUD application. I already have the easy ones, C and R but now I want to go for D. Unfortunately, when I try to delete an entry I get a 500 error. My routes are getting called but after that nothing happens.
Html
<div ng-repeat="article in articles">
<form ng-click="deleteArticle(article)">
<button type="submit" class="btn btn-primary">Delete</button>
</form>
</div>
Angular
The part that is in my controller..
$scope.deleteArticle = function(article) {
articlesFactory.removeArticle(article) }
And the part that is getting called in a factory:
art.removeArticle = function(article) {
return $http.put('/articles/' + article._id + '/remove')
};
Routes
...
router.param('article', function(req, res, next, id) {
var query = Article.findById(id);
query.exec(function (err, article) {
if (err) { return next(err); }
if (!article) { return next(new Error("Unable to find this article.")); }
req.article = article;
return next();
});
});
...
router.put('/articles/:article/remove', function(req, res, next) {
console.log("I arrived in the routes")
req.article.remove(function(err, article) {
if (err) { return next(err); }
res.json(article);
});
});
...
Model
var ArticleSchema = new mongoose.Schema({
title: String,
content: String,
likes: { type: Number, default: 0 },
comments: [{ type: mongoose.Schema.Types.ObjectId, ref: 'Comment' }]
});
ArticleSchema.methods.remove = function(callback) {
this.remove(callback);

Answer 1

Should use the delete method of HTTP. And try this logic, it's from angular-fullstack controller templates (I'd recommend using it over creating your own endpoints, here's the link):
router.delete('/articles/:id/remove', function(req, res, next) {
Article.findById(req.params.id, function (err, article) {
if(err) { return next(err); }
if(!article) { return res.send(404); }
article.remove(function(err) {
if(err) { return handleError(res, err); }
return res.send(204);
});
});
});
You'll need to update this as well to use delete:
art.removeArticle = function(article) {
return $http.delete('/articles/' + article._id + '/remove')
};

Answer 2

I know this is an old post, but I stumbled upon it as i had the same problem, so maybe it can be useful for someone.
After trying your code and using some things of TommyMac's answer, this was my outcome and should help:
Controller:
Your controller part was ok:
$scope.deleteArticle = function(article) {
articlesFactory.removeArticle(article) }
Factory: You should use DELETE instead of PUT
It worked for me with the following function:
router.delete('/articles/:article/remove', function(req, res, next) {
req.article.remove(function(err) {
if (err) {
return next(err);
}
return res.sendStatus(204);
});
});
Model: for me, it worked without providing a "remove" function at the model (apparrently there is a default function), so remove the following snippet from your code:
ArticleSchema.methods.remove = function(callback) {
this.remove(callback);