Refactor tag and people handling to improve validation.

Reworked tag and people concatenation to properly filter out empty values before processing. This ensures cleaner input and avoids unnecessary API calls for empty fields. Added a fallback to handle cases with no tags or people provided.

Author: devclef

src/components/metadata_form.rs

@@ -75,22 +75,42 @@ async fn handle_form(data: MediaReviewForm) -> Result<(), ServerFnError> {
     log!("File within handle_form: {:?}", data.file);
     log!("Handling form");
     //combine tags and manual tags
-    let all_tags = data.tags + "," + &*data.tags_manual;
-    let tag_ids = match handle_tags(all_tags).await {
-        Ok(tag_ids) => tag_ids,
-        Err(e) => {
-            log!("Error handling tags: {:?}", e);
-            return Err(e);
+    let all_tags = [&data.tags, &data.tags_manual]
+        .iter()
+        .filter(|s| !s.is_empty())
+        .map(|s| s.as_str())
+        .collect::<Vec<_>>()
+        .join(",");
+
+    let tag_ids = if !all_tags.is_empty() {
+        match handle_tags(all_tags).await {
+            Ok(tag_ids) => tag_ids,
+            Err(e) => {
+                log!("Error handling tags: {:?}", e);
+                return Err(e);
+            }
         }
+    } else {
+        Vec::new()
     };
     log!("Tag ids: {:?}", tag_ids);
-    let all_people = data.people + "," + &*data.people_manual;
-    let person_ids = match handle_people(all_people).await {
-        Ok(person_ids) => person_ids,
-        Err(e) => {
-            log!("Error handling people: {:?}", e);
-            return Err(e);
+    let all_people = [&data.people, &data.people_manual]
+        .iter()
+        .filter(|s| !s.is_empty())
+        .map(|s| s.as_str())
+        .collect::<Vec<_>>()
+        .join(",");
+
+    let person_ids = if !all_people.is_empty() {
+        match handle_people(all_people).await {
+            Ok(person_ids) => person_ids,
+            Err(e) => {
+                log!("Error handling people: {:?}", e);
+                return Err(e);
+            }
         }
+    } else {
+        Vec::new() // or default empty Vec/appropriate fallback
     };
     let media_update = MediaUpdate {
         file_name: data.file,