refactor: split tmdb-enrichment into client, movie_handler, person_handler

crates/adapters/tmdb-enrichment/src/person_handler.rs

@@ -0,0 +1,62 @@
+use std::sync::Arc;
+
+use async_trait::async_trait;
+use chrono::Utc;
+use domain::{
+    errors::DomainError,
+    events::DomainEvent,
+    ports::{EventHandler, PersonCommand, PersonEnrichmentClient, PersonQuery},
+};
+
+const STALENESS_DAYS: i64 = 90;
+
+pub struct PersonEnrichmentHandler {
+    enrichment_client: Arc<dyn PersonEnrichmentClient>,
+    person_query: Arc<dyn PersonQuery>,
+    person_command: Arc<dyn PersonCommand>,
+}
+
+impl PersonEnrichmentHandler {
+    pub fn new(
+        enrichment_client: Arc<dyn PersonEnrichmentClient>,
+        person_query: Arc<dyn PersonQuery>,
+        person_command: Arc<dyn PersonCommand>,
+    ) -> Self {
+        Self {
+            enrichment_client,
+            person_query,
+            person_command,
+        }
+    }
+}
+
+#[async_trait]
+impl EventHandler for PersonEnrichmentHandler {
+    async fn handle(&self, event: &DomainEvent) -> Result<(), DomainError> {
+        let (person_id, external_person_id) = match event {
+            DomainEvent::PersonEnrichmentRequested {
+                person_id,
+                external_person_id,
+            } => (person_id.clone(), external_person_id.clone()),
+            _ => return Ok(()),
+        };
+
+        if let Some(person) = self.person_query.get_by_id(&person_id).await? {
+            if let Some(at) = person.enriched_at() {
+                if (Utc::now() - at).num_days() < STALENESS_DAYS {
+                    tracing::debug!(person_id = %person_id.value(), "person enrichment still fresh");
+                    return Ok(());
+                }
+            }
+        }
+
+        tracing::info!(person_id = %person_id.value(), "enriching person from TMDb");
+        let data = self
+            .enrichment_client
+            .fetch_details(&external_person_id)
+            .await?;
+        self.person_command
+            .update_enrichment(&person_id, &data)
+            .await
+    }
+}