redgold-schema 0.1.48

Decentralized Portfolio Contracts & Data Lake
Documentation 
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use chrono::{DateTime, Local, TimeZone, Utc};

pub fn current_time_millis() -> i64 {
    std::time::SystemTime::now()
        .duration_since(std::time::UNIX_EPOCH)
        .unwrap()
        .as_millis() as i64
}

pub trait ToTimeString {
    fn to_year_month_utc(&self) -> String;
    fn to_time_string(&self) -> String;
    fn to_time_string_shorter(&self) -> String;
    fn to_time_string_shorter_no_seconds(&self) -> String;
    fn to_time_string_shorter_no_seconds_am_pm(&self) -> String;
    fn to_time_string_shorter_underscores(&self) -> String;
    fn to_time_string_day(&self) -> String;
}

impl ToTimeString for i64 {
    fn to_time_string(&self) -> String {
        let utc_datetime = Utc.timestamp_millis_opt(*self).unwrap();
        let pacific_datetime: DateTime<Local> = utc_datetime.with_timezone(&Local);
        let formatted_datetime = pacific_datetime.format("%Y-%m-%d %H:%M:%S %.3f %:z").to_string();
        formatted_datetime
    }

    fn to_time_string_shorter(&self) -> String {
        let utc_datetime = Utc.timestamp_millis_opt(*self).unwrap();
        let pacific_datetime: DateTime<Local> = utc_datetime.with_timezone(&Local);
        let formatted_datetime = pacific_datetime.format("%Y-%m-%d %H:%M:%S").to_string();
        formatted_datetime
    }

    fn to_time_string_shorter_no_seconds(&self) -> String {
        let utc_datetime = Utc.timestamp_millis_opt(*self).unwrap();
        let pacific_datetime: DateTime<Local> = utc_datetime.with_timezone(&Local);
        let formatted_datetime = pacific_datetime.format("%Y-%m-%d %H:%M").to_string();
        formatted_datetime
    }

    fn to_time_string_shorter_no_seconds_am_pm(&self) -> String {
        let utc_datetime = Utc.timestamp_millis_opt(*self).unwrap();
        let pacific_datetime: DateTime<Local> = utc_datetime.with_timezone(&Local);
        let formatted_datetime = pacific_datetime.format("%Y-%m-%d %I:%M %p").to_string();
        formatted_datetime
    }

    fn to_time_string_shorter_underscores(&self) -> String {
        let utc_datetime = Utc.timestamp_millis_opt(*self).unwrap();
        let pacific_datetime: DateTime<Local> = utc_datetime.with_timezone(&Local);
        let formatted_datetime = pacific_datetime.format("%Y_%m_%d_%H_%M_%S").to_string();
        formatted_datetime
    }

    fn to_time_string_day(&self) -> String {
        let utc_datetime = Utc.timestamp_millis_opt(*self).unwrap();
        let pacific_datetime: DateTime<Local> = utc_datetime.with_timezone(&Local);
        let formatted_datetime = pacific_datetime.format("%Y-%m-%d").to_string();
        formatted_datetime
    }

    fn to_year_month_utc(&self) -> String {
        let utc_datetime = Utc.timestamp_millis_opt(*self).unwrap();
        let pacific_datetime: DateTime<Utc> = utc_datetime.with_timezone(&Utc);
        let formatted_datetime = pacific_datetime.format("%Y_%m").to_string();
        formatted_datetime
    }

}

pub trait ToMillisFromTimeString {
    fn to_millis_from_time_string_shorter_underscores(&self) -> Option<i64>;
}

impl ToMillisFromTimeString for String {
    fn to_millis_from_time_string_shorter_underscores(&self) -> Option<i64> {
        if let Some(dt) = chrono::NaiveDateTime::parse_from_str(self, "%Y_%m_%d_%H_%M_%S").ok() {
            Some(dt.and_utc().timestamp_millis())
        } else {
            None
        }
    }
}