skills-ids.swift

var skillIds: [String]
skillIds = selectedJobCategories.reduce([], { (results, jobCategory) -> [String] in
    var results = results

    results.append(contentsOf: jobCategory.skills!.linkage!.reduce([], { (results, resourceIdentifier) -> [String] in
        var results = results
        results.append(resourceIdentifier.id)
        return results
    }))
    
    return results
})
SpineSingleton.find(skillIds, ofType: Skill.self).onSuccess { [weak self] in