Article_13_G8.swift

Article_13_G8.swift

    public func syncRetrieve<T: Codable>(_ some: T.Type, key: String, params: [String]) -> (model: T, recordDate: Date)? {
        var cachedRecords: [ExpiringCodableObjectWithKey] {
            let records: [CDataExpiringKeyValueEntety] = Self.nonSecureInstanceSync.fetch()
            return records .compactMap { record in
                let encoding = ExpiringCodableObjectWithKey.ValueEncoding(rawValue: Int(record.encoding)) ?? .dataPlain
                let model = ExpiringCodableObjectWithKey(key: record.key!,
                                                                expireDate: record.expireDate!,
                                                                object: record.object!,
                                                                objectType: record.objectType!,
                                                                encoding: encoding)
                return model
            }
        }
        
        let composedKey = ExpiringCodableObjectWithKey.composedKey(key, params)
        if let record = cachedRecords
            .filter({ $0.key == composedKey && !$0.isExpired })
            .sorted(by: { a, b in
                a.recordDate > b.recordDate
            })
                .first {
            if let extracted = record.extract(T.self) {
                return (extracted, record.recordDate)
            }
        }
        return nil
    }
    
    func syncStore<T: Codable>(_ codable: T, key: String, params: [String], timeToLiveMinutes: Int?) {
        let toStore = ExpiringCodableObjectWithKey(codable,
                                                          key: key,
                                                          params: params,
                                                          timeToLiveMinutes: timeToLiveMinutes)
        let newInstance: CDataExpiringKeyValueEntety = Self.nonSecureInstanceSync.createEntity()
        newInstance.key        = toStore.key
        newInstance.recordDate = toStore.recordDate
        newInstance.expireDate = toStore.expireDate
        newInstance.encoding   = Int16(toStore.encoding)
        newInstance.object     = toStore.object
        newInstance.objectType = toStore.objectType
        Self.nonSecureInstanceSync.saveContext()
    }