Separates date_utc and datetime_utc

1 files changed, 0 insertions, 182 deletions

diff --git a/backend/core/src/models/date_time_utc.rs b/backend/core/src/models/date_time_utc.rs
deleted file mode 100644
index d59d8f4..0000000
--- a/backend/core/src/models/date_time_utc.rs
+++ /dev/null
@@ -1,182 +0,0 @@
-use anyhow::{Error, Result};
-use chrono::{DateTime, Datelike, Utc};
-use diesel::{
-    backend::Backend,
-    deserialize::{self, FromSql, FromSqlRow},
-    expression::AsExpression,
-    serialize::{self, ToSql},
-    sql_types::Text,
-    sqlite::Sqlite,
-};
-use serde::{Deserialize, Serialize};
-
-#[derive(
-    Eq,
-    PartialEq,
-    Ord,
-    PartialOrd,
-    Serialize,
-    Deserialize,
-    Clone,
-    Debug,
-    AsExpression,
-    FromSqlRow,
-)]
-#[diesel(sql_type=Text)]
-pub struct DateTimeUtc {
-    chrono_datetime_utc: DateTime<Utc>,
-}
-
-impl DateTimeUtc {
-    pub fn day_diff(&self, other: &DateTimeUtc) -> u32 {
-        self.chrono_datetime_utc
-            .num_days_from_ce()
-            .abs_diff(other.chrono_datetime_utc.num_days_from_ce())
-    }
-
-    pub fn new(chrono_datetime_utc: &DateTime<Utc>) -> Self {
-        Self {
-            chrono_datetime_utc: chrono_datetime_utc.clone(),
-        }
-    }
-
-    pub fn now() -> Self {
-        Self::new(&Utc::now())
-    }
-
-    /// Constructs DateTimeUtc from a day string, YYYY-MM-DD, in UTC
-    /// Example: "2024-10-24" -> Midnight 24 Oct 2024 UTC
-    pub fn from_day_str(day_str: &str) -> Result<Self> {
-        if !Self::is_day_str(day_str) {
-            Err(Error::msg(format!("{} is not a day string in YYYY-MM-DD format", day_str)))
-        } else {
-            let mut date_str = String::from(day_str);
-            date_str.push_str("T00:00:00.000Z");
-            Ok(Self::from_date_str(&date_str)?)
-        }
-    }
-
-    /// Constructs DateTimeUtc from a date string in ISO format, in UTC
-    /// Example: "2024-10-24T10:30:00.000" -> 10.30am 24 Oct 2024 UTC
-    pub fn from_date_str(date_time_utc: &str) -> Result<Self> {
-        let chrono_datetime_utc = date_time_utc.parse::<DateTime<Utc>>()?;
-        Ok(Self {
-            chrono_datetime_utc,
-        })
-    }
-
-    /// Converts to a day string, YYYY-MM-DD, in UTC
-    /// Example: 10.30am 24 Oct 2024 UTC -> "2024-10-24"
-    pub fn to_day_str(&self) -> String {
-        let date_str = self.to_date_str();
-        let day_str = date_str
-            .split_at_checked(10)
-            .unwrap()
-            .0;
-        String::from(day_str)
-    }
-
-    /// Converts to a date string in ISO format, in UTC
-    /// Example: 10.30am 24 Oct 2024 UTC -> "2024-10-24T10:30:00.000Z"
-    pub fn to_date_str(&self) -> String {
-        self.chrono_datetime_utc.to_rfc3339()
-    }
-
-
-    fn is_day_str(str: &str) -> bool {
-        if str.len() != 10 {
-            return false;
-        }
-        for (ix, ch) in str.chars().enumerate() {
-            if ix == 4 || ix == 7 {
-                if ch != '-' {
-                    return false;
-                }
-            } else {
-                if ch < '0' || ch > '9' {
-                    return false;
-                }
-            }
-        }
-        return true;
-    }
-}
-
-impl ToSql<Text, Sqlite> for DateTimeUtc {
-    fn to_sql<'b>(
-        &'b self,
-        out: &mut diesel::serialize::Output<'b, '_, Sqlite>,
-    ) -> serialize::Result {
-        out.set_value(self.to_date_str());
-        Ok(serialize::IsNull::No)
-    }
-}
-
-impl FromSql<Text, Sqlite> for DateTimeUtc {
-    fn from_sql(bytes: <Sqlite as Backend>::RawValue<'_>) -> deserialize::Result<DateTimeUtc> {
-        let str = <String as FromSql<Text, Sqlite>>::from_sql(bytes)?;
-        Ok(Self::from_date_str(&str)?)
-    }
-}
-
-#[cfg(test)]
-mod test {
-    use chrono::TimeZone;
-
-    use super::*;
-
-    #[test]
-    fn given_midnight_when_day_diff_next_midnight_less_1s_then_return_0() {
-        let start = DateTimeUtc::new(&Utc.with_ymd_and_hms(2000, 1, 1, 0, 0, 0).unwrap().to_utc());
-        let end = DateTimeUtc::new(
-            &Utc.with_ymd_and_hms(2000, 1, 1, 23, 59, 59)
-                .unwrap()
-                .to_utc(),
-        );
-
-        let day_diff = start.day_diff(&end);
-        let neg_day_diff = end.day_diff(&start);
-
-        assert_eq!(day_diff, 0);
-        assert_eq!(day_diff, neg_day_diff);
-    }
-
-    #[test]
-    fn given_midnight_when_day_diff_next_midnight_then_return_1() {
-        let start = DateTimeUtc::new(&Utc.with_ymd_and_hms(2000, 1, 1, 0, 0, 0).unwrap().to_utc());
-        let end = DateTimeUtc::new(&Utc.with_ymd_and_hms(2000, 1, 2, 0, 0, 0).unwrap().to_utc());
-
-        let day_diff = start.day_diff(&end);
-        let neg_day_diff = end.day_diff(&start);
-
-        assert_eq!(day_diff, 1);
-        assert_eq!(day_diff, neg_day_diff);
-    }
-
-    #[test]
-    fn given_midnight_less_1s_when_day_diff_midnight_then_return_1() {
-        let start = DateTimeUtc::new(
-            &Utc.with_ymd_and_hms(2000, 1, 1, 23, 59, 59)
-                .unwrap()
-                .to_utc(),
-        );
-        let end = DateTimeUtc::new(&Utc.with_ymd_and_hms(2000, 1, 2, 0, 0, 0).unwrap().to_utc());
-
-        let day_diff = start.day_diff(&end);
-        let neg_day_diff = end.day_diff(&start);
-
-        assert_eq!(day_diff, 1);
-        assert_eq!(day_diff, neg_day_diff);
-    }
-
-    #[test]
-    fn given_23_nov_1970_when_to_day_str_then_return_iso_day_str() {
-        let date_time_utc = DateTimeUtc::new(
-            &Utc.with_ymd_and_hms(1970, 11, 23, 0, 0, 0)
-                .unwrap()
-                .to_utc(),
-        );
-
-        assert_eq!(date_time_utc.to_day_str(), "1970-11-23");
-    }
-}