items-by-period (#2)

Reviewed-on: #2
Co-authored-by: Vishesh 'ironeagle' Bangotra <aetoskia@gmail.com>
Co-committed-by: Vishesh 'ironeagle' Bangotra <aetoskia@gmail.com>

src/components/LatestItems/LatestItems.adapter.ts

@@ -0,0 +1,66 @@
+import { ReportData, Transaction, GroupKey } from "../../features/report";
+import {
+  mergeBucketPeriods,
+  periodIdToKey,
+  formatCurrency,
+  filterBuckets,
+} from "../report.helpers";
+import { LatestItem } from "./LatestItems.models";
+
+// ─── Transaction extraction ─────────────────────────────────
+
+function extractTransactions(
+  reportData: ReportData,
+  selectedPeriodId: string | null,
+  selectedGroupKey: GroupKey | null,
+  mode: "expense" | "income"
+): Transaction[] {
+  const buckets = filterBuckets(reportData.buckets, selectedGroupKey);
+  if (selectedPeriodId) {
+    const key = periodIdToKey(selectedPeriodId);
+    const periods = mergeBucketPeriods(buckets, key);
+    const selected = periods.find((p) => p.id === selectedPeriodId);
+
+    if (!selected) return [];
+
+    return mode === "expense"
+      ? (selected.expenses.transactions || [])
+      : (selected.incomes.transactions || []);
+  }
+
+  const periods = mergeBucketPeriods(buckets, "full");
+
+  if (!periods.length) return [];
+
+  const full = periods[0];
+
+  return mode === "expense"
+    ? (full.expenses.transactions || [])
+    : (full.incomes.transactions || []);
+}
+
+// ─── Main adapter ────────────────────────────────────────────
+
+export function buildLatestItems(
+  reportData: ReportData,
+  selectedPeriodId: string | null,
+  selectedGroupKey: GroupKey | null,
+  mode: "expense" | "income"
+): LatestItem[] {
+  const txns = extractTransactions(reportData, selectedPeriodId, selectedGroupKey, mode);
+
+  return txns
+    .filter((t) => (mode === "expense" ? t.amount < 0 : t.amount >= 0))
+    .sort(
+      (a, b) =>
+        new Date(b.occurred_at).getTime() -
+        new Date(a.occurred_at).getTime()
+    )
+    .map((t, index) => ({
+      id: index + 1,
+      title: t.payee.name,
+      subtitle: t.tags.map((tag) => tag.name).join(", "),
+      amount: formatCurrency(t.amount),
+      timeAgo: new Date(t.occurred_at).toLocaleDateString("en-IN"),
+    }));
+}

src/components/LatestItems/LatestItems.models.ts

@@ -1,18 +1,14 @@
-import * as React from "react";
-
 export interface LatestItem {
   id: string | number;
-  icon: React.ReactNode;
-  iconBgColor?: string;
   title: string;
   subtitle: string;
   amount: string;
   timeAgo: string;
 }
 
-export interface LatestItemsListProps {
-  title?: string;
+export interface LatestItemsViewProps {
   items: LatestItem[];
-  onViewAll?: () => void;
   accentColor: string;
+  canExpand: boolean;
+  onExpand: () => void;
 }

src/components/LatestItems/LatestItems.tsx

@@ -1,112 +1,44 @@
 import * as React from "react";
-import {
-  List,
-  ListItem,
-  ListItemAvatar,
-  ListItemText,
-  Avatar,
-  Typography,
-  Box,
-  Button,
-} from "@mui/material";
+import { ReportData, GroupKey } from "../../features/report";
+import { buildLatestItems } from "./LatestItems.adapter";
+import LatestItemsView from "./LatestItems.view";
 
-export interface LatestItem {
-  id: string | number;
-  icon: React.ReactNode;
-  iconBgColor?: string;
-  title: string;
-  subtitle: string;
-  amount: string;
-  timeAgo: string;
-}
-
-export interface LatestItemsListProps {
-  title?: string;
-  items: LatestItem[];
-  onViewAll?: () => void;
-  accentColor: any;
-}
+type Props = {
+  reportData: ReportData;
+  mode: "expense" | "income";
+  selectedPeriodId: string | null;
+  selectedGroupKey?: GroupKey | null;
+  accentColor: string;
+};
 
 export default function LatestItems({
-  title = "Recent Transactions",
-  items,
-  onViewAll,
+  reportData,
+  mode,
+  selectedPeriodId,
+  selectedGroupKey = null,
   accentColor,
-}: LatestItemsListProps) {
+}: Props) {
+  const [visibleCount, setVisibleCount] = React.useState(5);
+
+  const allItems = React.useMemo(() => {
+    return buildLatestItems(reportData, selectedPeriodId, selectedGroupKey, mode);
+  }, [reportData, selectedPeriodId, selectedGroupKey, mode]);
+
+  const hasSelection = Boolean(selectedPeriodId) || Boolean(selectedGroupKey);
+
+  const visibleItems = React.useMemo(() => {
+    if (!hasSelection) return allItems.slice(0, 5);
+    return allItems.slice(0, visibleCount);
+  }, [allItems, hasSelection, visibleCount]);
+
+  const canExpand = hasSelection && visibleCount < allItems.length;
+
   return (
-    <Box sx={{ width: "100%", bgcolor: "background.paper", borderRadius: 4, p: 2 }}>
-      {/* Header */}
-      <Box sx={{ display: "flex", justifyContent: "space-between", alignItems: "center", mb: 2, px: 2 }}>
-        <Typography variant="h6" fontWeight="bold">
-          {title}
-        </Typography>
-        {onViewAll && (
-          <Button
-            variant="text"
-            color="inherit"
-            size="small"
-            sx={{ textTransform: "none", color: "text.secondary", fontWeight: "medium" }}
-            onClick={onViewAll}
-          >
-            view all
-          </Button>
-        )}
-      </Box>
-
-      {/* List */}
-      <List disablePadding>
-        {items.map((item, index) => (
-          <ListItem
-            key={item.id}
-            sx={{
-              px: { xs: 1, sm: 2 },
-              py: 2,
-              mb: index !== items.length - 1 ? 1 : 0,
-              borderRadius: 3,
-              "&:hover": { bgcolor: "action.hover" },
-              transition: "background-color 0.2s ease",
-            }}
-          >
-            <ListItemAvatar>
-              <Avatar
-                variant="rounded"
-                sx={{
-                  bgcolor: `${accentColor}22`,
-                  color: "inherit",
-                  width: 48,
-                  height: 48,
-                  borderRadius: 3,
-                  mr: 2,
-                }}
-              >
-                {item.icon}
-              </Avatar>
-            </ListItemAvatar>
-            
-            <ListItemText
-              primary={
-                <Typography variant="subtitle1" fontWeight={600} color="text.primary">
-                  {item.title}
-                </Typography>
-              }
-              secondary={
-                <Typography variant="body2" color="text.secondary">
-                  {item.subtitle}
-                </Typography>
-              }
-            />
-
-            <Box sx={{ textAlign: "right" }}>
-              <Typography variant="subtitle1" fontWeight={700} color="text.primary">
-                {item.amount}
-              </Typography>
-              <Typography variant="caption" color="text.secondary" sx={{ display: 'block', mt: 0.5 }}>
-                {item.timeAgo}
-              </Typography>
-            </Box>
-          </ListItem>
-        ))}
-      </List>
-    </Box>
+    <LatestItemsView
+      items={visibleItems}
+      accentColor={accentColor}
+      canExpand={canExpand}
+      onExpand={() => setVisibleCount((prev) => prev + 5)}
+    />
   );
 }

src/components/LatestItems/LatestItems.view.tsx

@@ -1,6 +1,88 @@
-import LatestItemsListView from "./LatestItems.view";
-import { LatestItemsListProps } from "./LatestItems.models";
+import * as React from "react";
+import {
+  List,
+  ListItem,
+  ListItemAvatar,
+  ListItemText,
+  Avatar,
+  Typography,
+  Box,
+  IconButton,
+} from "@mui/material";
+import ExpandMoreIcon from "@mui/icons-material/ExpandMore";
+import { LatestItemsViewProps } from "./LatestItems.models";
 
-export default function LatestItemsList(props: LatestItemsListProps) {
-  return <LatestItemsListView {...props} />;
+export default function LatestItemsView({
+  items,
+  accentColor,
+  canExpand,
+  onExpand,
+}: LatestItemsViewProps) {
+  return (
+    <Box sx={{ width: "100%", bgcolor: "background.paper", borderRadius: 4, p: 2 }}>
+      <Box sx={{ mb: 2, px: 2 }}>
+        <Typography variant="h6" fontWeight="bold">
+          Recent Transactions
+        </Typography>
+      </Box>
+
+      <List disablePadding>
+        {items.map((item, index) => (
+          <ListItem
+            key={item.id}
+            sx={{
+              px: { xs: 1, sm: 2 },
+              py: 2,
+              mb: index !== items.length - 1 ? 1 : 0,
+              borderRadius: 3,
+              "&:hover": { bgcolor: "action.hover" },
+            }}
+          >
+            <ListItemAvatar>
+              <Avatar
+                variant="rounded"
+                sx={{
+                  bgcolor: `${accentColor}22`,
+                  width: 48,
+                  height: 48,
+                  borderRadius: 3,
+                  mr: 2,
+                }}
+              />
+            </ListItemAvatar>
+
+            <ListItemText
+              primary={
+                <Typography variant="subtitle1" fontWeight={600}>
+                  {item.title}
+                </Typography>
+              }
+              secondary={
+                <Typography variant="body2" color="text.secondary">
+                  {item.subtitle}
+                </Typography>
+              }
+            />
+
+            <Box sx={{ textAlign: "right" }}>
+              <Typography variant="subtitle1" fontWeight={700}>
+                {item.amount}
+              </Typography>
+              <Typography variant="caption" color="text.secondary">
+                {item.timeAgo}
+              </Typography>
+            </Box>
+          </ListItem>
+        ))}
+
+        {canExpand && (
+          <Box sx={{ display: "flex", justifyContent: "center", mt: 2 }}>
+            <IconButton size="small" onClick={onExpand}>
+              <ExpandMoreIcon />
+            </IconButton>
+          </Box>
+        )}
+      </List>
+    </Box>
+  );
 }