taler-rust

commit 410312e46a93b280f76c4c41287f4e94b4f7ca46
parent 90d4608cf2f4a73cf13cb252e8892a27fa090e62
Author: Antoine A <>
Date:   Tue, 10 Dec 2024 16:38:52 +0100

utils: improve timestamp logic

Diffstat:
M
taler-common/src/api_common.rs
 | 
15
++++++++++++++-

1 file changed, 14 insertions(+), 1 deletion(-)
diff --git a/taler-common/src/api_common.rs b/taler-common/src/api_common.rs
@@ -54,10 +54,22 @@ struct TimestampImpl {
 }
 
 impl Timestamp {
+    /** Timestamp corresponding to "now" */
     pub fn now() -> Self {
         Self::Time(SystemTime::now())
     }
 
+    /** Timestamp corresponding to now as it would be stored in db */
+    pub fn now_stable() -> Self {
+        Self::from_sql_micros(Self::now().as_sql_micros())
+            .expect("timestamp sql roundtrip must always succedd")
+    }
+    /** Timestamp corresponding to "never" */
+    pub const fn never() -> Self {
+        Self::Never
+    }
+
+    /** I64 equivalent of this timestamp for db storage */
     pub fn as_sql_micros(&self) -> i64 {
         match self {
             Timestamp::Never => i64::MAX,
@@ -66,10 +78,11 @@ impl Timestamp {
                 .unwrap()
                 .as_micros()
                 .try_into()
-                .expect("expect timestamp to be a valid i64 number"),
+                .expect("timestamp must be a valid i64"),
         }
     }
 
+    /** Timestamp equivalent of as i64 as stored in db */
     pub fn from_sql_micros(micros: i64) -> Result<Self, String> {
         if micros == i64::MAX {
             Ok(Self::Never)