Simplify estimates endpoint to return only arrival data (#57)

Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com>
Co-authored-by: arielcostas <94913521+arielcostas@users.noreply.github.com>

3 files changed, 13 insertions, 13 deletions

diff --git a/src/frontend/app/components/GroupedTable.tsx b/src/frontend/app/components/GroupedTable.tsx
index fd97d5b..9bdd5a0 100644
--- a/src/frontend/app/components/GroupedTable.tsx
+++ b/src/frontend/app/components/GroupedTable.tsx
@@ -1,9 +1,9 @@
-import { type StopDetails } from "../routes/estimates-$id";
+import { type Estimate } from "../routes/estimates-$id";
 import LineIcon from "./LineIcon";
 import { type RegionConfig } from "../data/RegionConfig";
 
 interface GroupedTable {
-  data: StopDetails;
+  data: Estimate[];
   dataDate: Date | null;
   regionConfig: RegionConfig;
 }
@@ -17,7 +17,7 @@ export const GroupedTable: React.FC<GroupedTable> = ({ data, dataDate, regionCon
     }
   };
 
-  const groupedEstimates = data.estimates.reduce(
+  const groupedEstimates = data.reduce(
     (acc, estimate) => {
       if (!acc[estimate.line]) {
         acc[estimate.line] = [];
@@ -25,7 +25,7 @@ export const GroupedTable: React.FC<GroupedTable> = ({ data, dataDate, regionCon
       acc[estimate.line].push(estimate);
       return acc;
     },
-    {} as Record<string, typeof data.estimates>,
+    {} as Record<string, typeof data>,
   );
 
   const sortedLines = Object.keys(groupedEstimates).sort((a, b) => {
@@ -72,7 +72,7 @@ export const GroupedTable: React.FC<GroupedTable> = ({ data, dataDate, regionCon
         )}
       </tbody>
 
-      {data?.estimates.length === 0 && (
+      {data?.length === 0 && (
         <tfoot>
           <tr>
             <td colSpan={regionConfig.showMeters ? 4 : 3}>
diff --git a/src/frontend/app/components/RegularTable.tsx b/src/frontend/app/components/RegularTable.tsx
index 68b732a..868332f 100644
--- a/src/frontend/app/components/RegularTable.tsx
+++ b/src/frontend/app/components/RegularTable.tsx
@@ -1,10 +1,10 @@
 import { useTranslation } from "react-i18next";
-import { type StopDetails } from "../routes/estimates-$id";
+import { type Estimate } from "../routes/estimates-$id";
 import LineIcon from "./LineIcon";
 import { type RegionConfig } from "../data/RegionConfig";
 
 interface RegularTableProps {
-  data: StopDetails;
+  data: Estimate[];
   dataDate: Date | null;
   regionConfig: RegionConfig;
 }
@@ -56,7 +56,7 @@ export const RegularTable: React.FC<RegularTableProps> = ({
       </thead>
 
       <tbody>
-        {data.estimates
+        {data
           .sort((a, b) => a.minutes - b.minutes)
           .map((estimate, idx) => (
             <tr key={idx}>
@@ -80,7 +80,7 @@ export const RegularTable: React.FC<RegularTableProps> = ({
           ))}
       </tbody>
 
-      {data?.estimates.length === 0 && (
+      {data?.length === 0 && (
         <tfoot>
           <tr>
             <td colSpan={regionConfig.showMeters ? 4 : 3}>
diff --git a/src/frontend/app/components/StopSheet.tsx b/src/frontend/app/components/StopSheet.tsx
index 0084c14..4bd75a8 100644
--- a/src/frontend/app/components/StopSheet.tsx
+++ b/src/frontend/app/components/StopSheet.tsx
@@ -6,7 +6,7 @@ import { Clock, ClockFading, Hourglass, RefreshCw } from "lucide-react";
 import LineIcon from "./LineIcon";
 import { StopSheetSkeleton } from "./StopSheetSkeleton";
 import { ErrorDisplay } from "./ErrorDisplay";
-import { type StopDetails } from "../routes/estimates-$id";
+import { type Estimate } from "../routes/estimates-$id";
 import { type RegionId, getRegionConfig } from "../data/RegionConfig";
 import { useApp } from "../AppContext";
 import "./StopSheet.css";
@@ -24,7 +24,7 @@ interface ErrorInfo {
   message?: string;
 }
 
-const loadStopData = async (region: RegionId, stopId: number): Promise<StopDetails> => {
+const loadStopData = async (region: RegionId, stopId: number): Promise<Estimate[]> => {
   const regionConfig = getRegionConfig(region);
   const resp = await fetch(`${regionConfig.estimatesEndpoint}?id=${stopId}`, {
     headers: {
@@ -48,7 +48,7 @@ export const StopSheet: React.FC<StopSheetProps> = ({
   const { t } = useTranslation();
   const { region } = useApp();
   const regionConfig = getRegionConfig(region);
-  const [data, setData] = useState<StopDetails | null>(null);
+  const [data, setData] = useState<Estimate[] | null>(null);
   const [loading, setLoading] = useState(false);
   const [error, setError] = useState<ErrorInfo | null>(null);
   const [lastUpdated, setLastUpdated] = useState<Date | null>(null);
@@ -120,7 +120,7 @@ export const StopSheet: React.FC<StopSheetProps> = ({
 
   // Show only the next 4 arrivals
   const limitedEstimates =
-    data?.estimates.sort((a, b) => a.minutes - b.minutes).slice(0, 4) || [];
+    data?.sort((a, b) => a.minutes - b.minutes).slice(0, 4) || [];
 
   return (
     <Sheet