feat(api): add stats chart endpoint for admin access with time series data

feat(dayjs): integrate dayjs for date handling and formatting across the application
refactor(routes): update date handling in id-tags, transactions, users, and dashboard routes to use dayjs
style(globals): improve CSS variable definitions for better readability and consistency
deps: add dayjs as a dependency for date manipulation

apps/csms/src/ocpp/actions/stop-transaction.ts

@@ -1,4 +1,5 @@
 import { eq, sql } from "drizzle-orm";
+import dayjs from "dayjs";
 import { useDrizzle } from "@/lib/db.js";
 import { chargePoint, connector, idTag, meterValue, transaction } from "@/db/schema.js";
 import type {
@@ -18,11 +19,11 @@ export async function handleStopTransaction(
   const [tx] = await db
     .update(transaction)
     .set({
-      stopTimestamp: new Date(payload.timestamp),
+      stopTimestamp: dayjs(payload.timestamp).toDate(),
       stopMeterValue: payload.meterStop,
       stopIdTag: payload.idTag ?? null,
       stopReason: (payload.reason as (typeof transaction.$inferSelect)["stopReason"]) ?? null,
-      updatedAt: new Date(),
+      updatedAt: dayjs().toDate(),
     })
     .where(eq(transaction.id, payload.transactionId))
     .returning();
@@ -35,7 +36,7 @@ export async function handleStopTransaction(
   // Set connector back to Available
   await db
     .update(connector)
-    .set({ status: "Available", updatedAt: new Date() })
+    .set({ status: "Available", updatedAt: dayjs().toDate() })
     .where(eq(connector.id, tx.connectorId));
 
   // Store embedded meter values (transactionData)
@@ -49,7 +50,7 @@ export async function handleStopTransaction(
               connectorId: tx.connectorId,
               chargePointId: tx.chargePointId,
               connectorNumber: tx.connectorNumber,
-              timestamp: new Date(mv.timestamp),
+              timestamp: dayjs(mv.timestamp).toDate(),
               sampledValues:
                 mv.sampledValue as unknown as (typeof meterValue.$inferInsert)["sampledValues"],
             },
@@ -76,7 +77,7 @@ export async function handleStopTransaction(
   // Always record the charge amount (0 if free)
   await db
     .update(transaction)
-    .set({ chargeAmount: feeFen, updatedAt: new Date() })
+    .set({ chargeAmount: feeFen, updatedAt: dayjs().toDate() })
     .where(eq(transaction.id, tx.id));
 
   if (feeFen > 0) {
@@ -84,7 +85,7 @@ export async function handleStopTransaction(
       .update(idTag)
       .set({
         balance: sql`${idTag.balance} - ${feeFen}`,
-        updatedAt: new Date(),
+        updatedAt: dayjs().toDate(),
       })
       .where(eq(idTag.idTag, tx.idTag));
   }