Vapor with Theo - Getting started

vapor-with-theo-getting-started.swift

import Vapor
import Theo

func theoClient(completion: @escaping (BoltClient) -> ()) {
    do {
        let client = try BoltClient(hostname: "127.0.0.1",
                                    port: 7687,
                                    username: "neo4j",
                                    password: "test",
                                    encrypted: true)
        client.connect { result in
            let isSuccess = try! result.get()
            assert(isSuccess)
            completion(client)
        }
    } catch {
        print("Error! \(String(describing: error))")
    }
}

func routes(_ app: Application) throws {
    app.get { req -> EventLoopFuture<String> in
        
        let promise: EventLoopPromise<String> = req.eventLoop.makePromise()
        
        theoClient() { theo in
            let newNode = Node(label: "New", properties: [ "createdTime": Date().timeIntervalSince1970 ])
            theo.createAndReturnNode(node: newNode) { result in
                do {
                    let node = try result.get()
                    assert(node.labels.first! == "New")
                    promise.completeWith(.success("Newly created node!"))
                } catch {
                    promise.completeWith(.failure(error))
                }
            }
        }
        
        return promise.futureResult
    }
}