Mock data

mockdata.swift

    func mockData() -> [Annotation] {
        
        return ["a","b","c","d","e","f","g"].map({
            
            let annotationJSON: JSON = [
                "location":[
                    "id":$0,
                    "metadata":[
                        "latitude":0.0,
                        "longitude":0.0]
                ],
                "listings":[
                    [
                        "id":"listing\($0)",
                        ListingTag.ForSale : ($0 == "c" || $0 == "e")
                    ]
                ]
            ]
            
            return Annotation(json: annotationJSON)!
        })
    }