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virgool-post-controller-0015
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import Vapor | |
/// Controls basic CRUD operations on `Post`s. | |
final class PostController { | |
/// Returns a list of all `Posts`s. | |
/// GET /posts | |
func index(_ req: Request) throws -> Future<[Post]> { | |
return Post.query(on: req).all() //1 | |
} | |
/// Returns a `Posts` for given ID. | |
/// GET /posts/:id | |
func show(_ req: Request) throws -> Future<Post> { | |
return try req.parameters.next(Post.self) //2 | |
} | |
/// Saves a decoded `Post` to the database. | |
/// POST /posts | |
func create(_ req: Request) throws -> Future<Post> { | |
let post = try req.content.syncDecode(Post.self) //3 | |
return post.save(on: req) //4 | |
} | |
/// Deletes a parameterized `Post`. | |
/// DELETE /posts/:id | |
func delete(_ req: Request) throws -> Future<HTTPStatus> { | |
return try req.parameters.next(Post.self).flatMap { post in //5 | |
return post.delete(on: req) //6 | |
}.transform(to: .noContent) //7 | |
} | |
/// Updates an updatable `Post` model to it's new values. | |
/// PATCH /posts/:id | |
func update(_ req: Request) throws -> Future<Post> { | |
return try req.parameters.next(Post.self).flatMap { post in //8 | |
let newPostValues = try req.content.syncDecode(Post.UpdatablePost.self) //9 | |
//10 | |
post.title = newPostValues.title ?? post.title | |
post.body = newPostValues.body ?? post.body | |
//11 | |
return post.update(on: req) | |
} | |
} | |
} | |
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