Implement the timestamp function

Cargo.lock

@@ -976,8 +976,6 @@ checksum = "8fcfdc7a0362c9f4444381a9e697c79d435fe65b52a37466fc2c1184cee9edc6"
 name = "fitnesstrax"
 version = "0.1.0"
 dependencies = [
- "chrono",
- "chrono-tz",
  "gio",
  "glib",
  "glib-build-tools 0.18.0",
@@ -1134,6 +1132,8 @@ dependencies = [
 name = "ft-core"
 version = "0.1.0"
 dependencies = [
+ "chrono",
+ "chrono-tz",
  "dimensioned 0.8.0",
  "emseries",
  "serde 1.0.188",

fitnesstrax/app/Cargo.toml

@@ -7,8 +7,6 @@ edition = "2021"
 
 [dependencies]
 adw             = { version = "0.5", package = "libadwaita", features = [ "v1_2" ] }
-chrono          = { version = "0.4" }
-chrono-tz       = { version = "0.8" }
 gio             = { version = "0.18" }
 glib            = { version = "0.18" }
 gtk             = { version = "0.7", package = "gtk4", features = [ "v4_8" ] }

fitnesstrax/core/Cargo.toml

@@ -6,6 +6,8 @@ edition = "2021"
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]
+chrono          = { version = "0.4" }
+chrono-tz       = { version = "0.8" }
 dimensioned     = { version = "0.8", features = [ "serde" ] }
 emseries        = { path = "../../emseries" }
 serde           = { version = "1", features = [ "derive" ] }

fitnesstrax/core/src/types.rs

@@ -69,7 +69,18 @@ pub enum TraxRecord {
 
 impl Recordable for TraxRecord {
     fn timestamp(&self) -> Timestamp {
-        unimplemented!()
+        match self {
+            TraxRecord::BikeRide(rec) => Timestamp::DateTime(rec.datetime.clone()),
+            TraxRecord::Pushups => unimplemented!(),
+            TraxRecord::Row(rec) => Timestamp::DateTime(rec.datetime.clone()),
+            TraxRecord::Run(rec) => Timestamp::DateTime(rec.datetime.clone()),
+            TraxRecord::Situps => unimplemented!(),
+            TraxRecord::Squats => unimplemented!(),
+            TraxRecord::Steps(rec) => Timestamp::Date(rec.date),
+            TraxRecord::Swim(rec) => Timestamp::DateTime(rec.datetime.clone()),
+            TraxRecord::Walk(rec) => Timestamp::DateTime(rec.datetime.clone()),
+            TraxRecord::Weight(rec) => Timestamp::Date(rec.date),
+        }
     }
 
     fn tags(&self) -> Vec<String> {
@@ -86,6 +97,16 @@ mod test {
     fn can_record_records() {
         let file = tempfile::NamedTempFile::new().expect("a temporary file");
         let path = file.into_temp_path();
-        let series: Series<TraxRecord> = Series::open(&path).unwrap();
+        let mut series: Series<TraxRecord> = Series::open(&path).unwrap();
+
+        let record = TraxRecord::Steps(Steps {
+            date: NaiveDate::from_ymd_opt(2023, 1, 1).unwrap(),
+            count: 1000,
+        });
+
+        let id = series.put(record.clone()).unwrap();
+
+        let record_ = series.get(&id).unwrap();
+        assert_eq!(record_, record);
     }
 }