seems alright

server-rs/src/data/actual_listings.rs

@@ -268,6 +268,32 @@ fn extract_opt_datetime_iso(df: &DataFrame, name: &str) -> Result<Vec<Option<Str
         .collect())
 }
 
+fn extract_str_list(df: &DataFrame, name: &str) -> Result<Vec<Vec<String>>> {
+    let column = df
+        .column(name)
+        .with_context(|| format!("Missing column '{name}'"))?;
+    let list = column
+        .list()
+        .with_context(|| format!("Column '{name}' is not a list column"))?;
+    let mut out = Vec::with_capacity(list.len());
+    for series_opt in list.into_iter() {
+        let entries = match series_opt {
+            Some(series) => {
+                let strings = series.str().with_context(|| {
+                    format!("Column '{name}' list inner is not a string column")
+                })?;
+                strings
+                    .into_iter()
+                    .filter_map(|value| value.map(ToString::to_string))
+                    .collect()
+            }
+            None => Vec::new(),
+        };
+        out.push(entries);
+    }
+    Ok(out)
+}
+
 #[cfg(test)]
 mod tests {
     use super::*;
@@ -298,29 +324,3 @@ mod tests {
         assert!(!any_listing.listing_url.is_empty());
     }
 }
-
-fn extract_str_list(df: &DataFrame, name: &str) -> Result<Vec<Vec<String>>> {
-    let column = df
-        .column(name)
-        .with_context(|| format!("Missing column '{name}'"))?;
-    let list = column
-        .list()
-        .with_context(|| format!("Column '{name}' is not a list column"))?;
-    let mut out = Vec::with_capacity(list.len());
-    for series_opt in list.into_iter() {
-        let entries = match series_opt {
-            Some(series) => {
-                let strings = series.str().with_context(|| {
-                    format!("Column '{name}' list inner is not a string column")
-                })?;
-                strings
-                    .into_iter()
-                    .filter_map(|value| value.map(ToString::to_string))
-                    .collect()
-            }
-            None => Vec::new(),
-        };
-        out.push(entries);
-    }
-    Ok(out)
-}