MediumPost_Do7.swift

 func observableOnGetAllRepas(email: String, password: String) -> Observable<[GTLUsersApiRecette]?> {
        
        return Observable<[GTLUsersApiRecette]?>.create { (observer) -> Disposable in
            
            let query = self.appengineHttpManager.getAllRepasFromAppEngine(email: email, password: password, completion: { (response) in
                
                if let _ = response.email {
                    if let recettes: [GTLUsersApiRecette] = response.listOfRecette as? [GTLUsersApiRecette] {
                        observer.onNext(recettes)
                        observer.onCompleted()
                    } else {
                        observer.onError(CookMinuteAppEngine.AppEngineError.Error)
                    }
                } else {
                    observer.onError(CookMinuteAppEngine.AppEngineError.Error)
                }
            })
            
            return Disposables.create(){
                query.cancel()
            }
        }
    }