fix: add hex parsing

src/ingest_protocol/tests/mod.rs

@@ -1,5 +1,8 @@
+use crate::ingest_protocol::{
+    parser::{parse_mac_address, parse_packet},
+    SensorValue,
+};
 use hifitime::Epoch;
-use crate::ingest_protocol::parser::{parse_mac_address, parse_packet};
 
 #[test]
 fn test_asd() {
@@ -16,13 +19,17 @@ fn test_asd() {
 "#
     .trim();
     let packet = parse_packet(asd).unwrap().1;
-    assert!(serde_json::to_string_pretty(&packet).unwrap()
+    assert!(serde_json::to_string_pretty(&packet)
+        .unwrap()
         .contains(r#""time": 1000000.0"#));
 }
 
 #[test]
 fn test_mac() {
-    assert_eq!(parse_mac_address("12-34-AA-12-55-AA").unwrap(), ("", [18, 52, 170, 18, 85, 170]) );
+    assert_eq!(
+        parse_mac_address("12-34-AA-12-55-AA").unwrap(),
+        ("", [18, 52, 170, 18, 85, 170])
+    );
 
     dbg!(Epoch::now().unwrap().to_unix_seconds());
 
@@ -40,3 +47,42 @@ fn test_packet() {
 
     println!("{:#?}", parse_packet(inp));
 }
+
+#[test]
+fn test_hex_parsing() {
+    let inp = r#"
+        {"mac": "T1", "value": "123", "time": "665B514B"}
+    "#
+    .trim();
+
+    let sensor_value: SensorValue = serde_json::from_str(inp).unwrap();
+    assert_eq!(
+        sensor_value.time.unwrap().0.to_unix_seconds(),
+        1717260619.0,
+        "hex text"
+    );
+
+    let inp = r#"
+        {"mac": "T1", "value": "123", "time": 1717260619}
+    "#
+    .trim();
+
+    let sensor_value: SensorValue = serde_json::from_str(inp).unwrap();
+    assert_eq!(
+        sensor_value.time.unwrap().0.to_unix_seconds(),
+        1717260619.0,
+        "integer test"
+    );
+
+    let inp = r#"
+        {"mac": "T1", "value": "123", "time": 1717260619.0}
+    "#
+    .trim();
+
+    let sensor_value: SensorValue = serde_json::from_str(inp).unwrap();
+    assert_eq!(
+        sensor_value.time.unwrap().0.to_unix_seconds(),
+        1717260619.0,
+        "float test"
+    );
+}

src/utils/hifitime_serde.rs

@@ -1,7 +1,7 @@
-use std::fmt;
-use std::fmt::{Formatter, Write};
 use hifitime::Epoch;
 use serde::{de, Deserialize, Deserializer, Serialize, Serializer};
+use std::fmt;
+use std::fmt::{Formatter, Write};
 
 #[derive(PartialOrd, PartialEq, Ord, Eq, Clone, Copy, Debug, Default)]
 #[repr(transparent)]
@@ -34,28 +34,40 @@ impl<'de> Deserialize<'de> for EpochUTC {
             type Value = EpochUTC;
 
             fn expecting(&self, formatter: &mut Formatter) -> fmt::Result {
-                formatter.write_str("a string or a float")
+                formatter.write_str(
+                    "a (string, representing a timestamp in decimal or hexadecimal form) or a decimal",
+                )
             }
 
-            fn visit_i64<E>(self, v: i64) -> Result<Self::Value, E> where E: de::Error {
+            fn visit_u64<E>(self, v: u64) -> Result<Self::Value, E>
-                return Ok(Epoch::from_unix_seconds(v as f64).into())
-            }
-
-            fn visit_f32<E>(self, v: f32) -> Result<Self::Value, E> where E: de::Error {
-                return Ok(Epoch::from_unix_seconds(v as f64).into())
-            }
-
-            fn visit_f64<E>(self, v: f64) -> Result<Self::Value, E> where E: de::Error {
-                return Ok(Epoch::from_unix_seconds(v).into())
-            }
-
-            fn visit_str<E>(self, value: &str) -> Result<EpochUTC, E>
             where
                 E: de::Error,
             {
-                return Ok(Epoch::from_unix_seconds(
+                return Ok(Epoch::from_unix_seconds(v as f64).into());
-                    value.parse().map_err(de::Error::custom)?
+            }
-                ).into())
+
+            fn visit_f64<E>(self, v: f64) -> Result<Self::Value, E>
+            where
+                E: de::Error,
+            {
+                return Ok(Epoch::from_unix_seconds(v).into());
+            }
+
+            fn visit_str<E>(self, value: &str) -> Result<Self::Value, E>
+            where
+                E: de::Error,
+            {
+                if value.len() == 8 {
+                    let bytes = hex::decode(value).map_err(de::Error::custom)?;
+
+                    return Ok(Epoch::from_unix_seconds(u32::from_be_bytes(
+                        bytes.as_slice().try_into().unwrap(),
+                    ) as f64)
+                    .into());
+                }
+                return Ok(
+                    Epoch::from_unix_seconds(value.parse().map_err(de::Error::custom)?).into(),
+                );
             }
         }