feat: findings refinement, new scanners, and deployment tooling (#6)

compliance-core/src/models/serde_helpers.rs

@@ -0,0 +1,68 @@
+use chrono::{DateTime, Utc};
+use serde::{Deserialize, Deserializer, Serializer};
+
+/// Serialize/deserialize `DateTime<Utc>` as BSON DateTime.
+/// Handles both BSON DateTime objects and RFC 3339 strings on deserialization.
+pub mod bson_datetime {
+    use super::*;
+    use serde::Serialize as _;
+
+    pub fn serialize<S>(dt: &DateTime<Utc>, serializer: S) -> Result<S::Ok, S::Error>
+    where
+        S: Serializer,
+    {
+        let bson_dt: bson::DateTime = (*dt).into();
+        bson_dt.serialize(serializer)
+    }
+
+    pub fn deserialize<'de, D>(deserializer: D) -> Result<DateTime<Utc>, D::Error>
+    where
+        D: Deserializer<'de>,
+    {
+        let bson_val = bson::Bson::deserialize(deserializer)?;
+        match bson_val {
+            bson::Bson::DateTime(dt) => Ok(dt.into()),
+            bson::Bson::String(s) => s.parse::<DateTime<Utc>>().map_err(serde::de::Error::custom),
+            other => Err(serde::de::Error::custom(format!(
+                "expected DateTime or string, got: {other:?}"
+            ))),
+        }
+    }
+}
+
+/// Serialize/deserialize `Option<DateTime<Utc>>` as BSON DateTime.
+pub mod opt_bson_datetime {
+    use super::*;
+    use serde::Serialize as _;
+
+    pub fn serialize<S>(dt: &Option<DateTime<Utc>>, serializer: S) -> Result<S::Ok, S::Error>
+    where
+        S: Serializer,
+    {
+        match dt {
+            Some(dt) => {
+                let bson_dt: bson::DateTime = (*dt).into();
+                bson_dt.serialize(serializer)
+            }
+            None => serializer.serialize_none(),
+        }
+    }
+
+    pub fn deserialize<'de, D>(deserializer: D) -> Result<Option<DateTime<Utc>>, D::Error>
+    where
+        D: Deserializer<'de>,
+    {
+        let bson_val = Option::<bson::Bson>::deserialize(deserializer)?;
+        match bson_val {
+            Some(bson::Bson::DateTime(dt)) => Ok(Some(dt.into())),
+            Some(bson::Bson::String(s)) => s
+                .parse::<DateTime<Utc>>()
+                .map(Some)
+                .map_err(serde::de::Error::custom),
+            Some(bson::Bson::Null) | None => Ok(None),
+            Some(other) => Err(serde::de::Error::custom(format!(
+                "expected DateTime, string, or null, got: {other:?}"
+            ))),
+        }
+    }
+}