feat: reorganize and add single selection to chip lists

src/pages/api/comparisons.rs

@@ -1,9 +1,13 @@
+use std::collections::HashMap;
 #[cfg(feature = "ssr")]
 use crate::pages::utils::server_utils::create_dynamo_client;
 
 #[cfg(feature = "ssr")]
 use aws_sdk_dynamodb::error::ProvideErrorMetadata;
 
+#[cfg(feature = "ssr")]
+use leptos::logging::log;
+
 use crate::common::{
     ComparisonData, ComparisonType, MapListComparison, NumberComparison, NumberListComparison,
     TextComparison, TextListComparison, ValueType,
@@ -314,8 +318,6 @@ fn make_comp_list() -> Vec<ComparisonData> {
 
 #[server(CreateTestComparisons, endpoint = "/comparisons/create-test")]
 pub async fn create_test_comparisons() -> Result<(), ServerFnError> {
-    use leptos::logging::log;
-
     let client = create_dynamo_client().await;
 
     log!("Creating test comparisons");
@@ -340,8 +342,6 @@ pub async fn create_test_comparisons() -> Result<(), ServerFnError> {
 
 #[server]
 pub async fn get_comparison_info() -> Result<Vec<ComparisonData>, ServerFnError> {
-    use leptos::logging::log;
-
     let client = create_dynamo_client().await;
 
     log!("Getting all comparisons from the database");
@@ -368,3 +368,43 @@ pub async fn get_comparison_info() -> Result<Vec<ComparisonData>, ServerFnError>
         }
     }
 }
+
+#[server]
+pub async fn get_comparisons_categorized() -> Result<HashMap<String, Vec<ComparisonData>>, ServerFnError> {
+    let client = create_dynamo_client().await;
+    log!("Getting all comparisons from the database, by category.");
+
+    match client
+        .scan()
+        .table_name("leptos-comparison-test")
+        .send()
+        .await
+    {
+        Ok(output) => {
+            if let Some(items) = output.items {
+                log!("Found comparisons, categorizing.");
+
+                let items: Vec<ComparisonData> = serde_dynamo::from_items(items)?;
+
+                let categorized = items.iter().fold(
+                    HashMap::<String, Vec<ComparisonData>>::new(), |mut map, comp| {
+                    // Load each comparison into a map, then return that map.
+                        map.entry(comp.category.clone())
+                            .and_modify(|vec| vec.push(comp.clone()))
+                            .or_insert(vec![comp.clone()]);
+
+                        map
+                    }
+                );
+
+                Ok(categorized)
+            } else {
+                Err(ServerFnError::new("Couldn't find any comparisons."))
+            }
+        }
+        Err(err) => {
+            let msg = err.message().unwrap_or("An unknown error occurred");
+            Err(ServerFnError::new(msg))
+        }
+    }
+}