postgres-nio-date.swift

extension YearMonthDay: PostgresDataConvertible {
    public static var postgresDataType: PostgresDataType {
        .date
    }

    public init?(postgresData: PostgresData) {
        guard let date = postgresData.date else {
            return nil
        }
        self.init(date: date, calendar: .gregorian, timeZone: .gmt)
    }

    public var postgresData: PostgresData? {
        guard let date = self.date(calendar: .gregorian, timeZone: .gmt) else {
            return nil
        }
        let seconds = Int(date.timeIntervalSince(Self.postgresOriginDate)) / 86400
        let value = ByteBuffer(integer: Int32(seconds))
        return PostgresData(
            type: .date,
            typeModifier: nil,
            formatCode: .binary,
            value: value
        )
    }

    private static let postgresOriginDate: Date = {
        ISO8601DateFormatter().date(from: "2000-01-01T00:00:00Z")!
    }()
}