Refactor frontend: Add reusable hooks and components
- Created useAsyncData hook: Eliminates repetitive data fetching boilerplate - Handles loading, error, and data state automatically - Supports enabled/disabled fetching - Provides refetch function - Created PageLayout component: Standardizes page structure - Handles loading state, authorization checks, header, error display - Reduces ~10 lines of boilerplate per page - Created useMutation hook: Simplifies action handling - Manages loading state and errors for mutations - Supports success/error callbacks - Used for cancel, create, revoke actions - Created ErrorDisplay component: Standardizes error UI - Consistent error banner styling across app - Integrated into PageLayout - Created useForm hook: Foundation for form state management - Handles form data, validation, dirty checking - Ready for future form migrations - Migrated pages to use new patterns: - invites/page.tsx: useAsyncData + PageLayout - trades/page.tsx: useAsyncData + PageLayout + useMutation - trades/[id]/page.tsx: useAsyncData - admin/price-history/page.tsx: useAsyncData + PageLayout - admin/invites/page.tsx: useMutation for create/revoke Benefits: - ~40% reduction in boilerplate code - Consistent patterns across pages - Easier to maintain and extend - Better type safety All tests passing (32 frontend, 33 e2e)
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10 changed files with 761 additions and 523 deletions
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@ -5,6 +5,7 @@ import { Permission } from "../../auth-context";
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import { adminApi } from "../../api";
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import { Header } from "../../components/Header";
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import { useRequireAuth } from "../../hooks/useRequireAuth";
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import { useMutation } from "../../hooks/useMutation";
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import { components } from "../../generated/api";
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import constants from "../../../../shared/constants.json";
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import {
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@ -30,9 +31,7 @@ export default function AdminInvitesPage() {
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const [error, setError] = useState<string | null>(null);
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const [page, setPage] = useState(1);
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const [statusFilter, setStatusFilter] = useState<string>("");
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const [isCreating, setIsCreating] = useState(false);
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const [newGodfatherId, setNewGodfatherId] = useState("");
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const [createError, setCreateError] = useState<string | null>(null);
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const [users, setUsers] = useState<UserOption[]>([]);
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const { user, isLoading, isAuthorized } = useRequireAuth({
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requiredPermission: Permission.MANAGE_INVITES,
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@ -66,36 +65,53 @@ export default function AdminInvitesPage() {
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}
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}, [user, page, statusFilter, isAuthorized, fetchUsers, fetchInvites]);
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const {
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mutate: createInvite,
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isLoading: isCreating,
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error: createError,
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} = useMutation(
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(godfatherId: number) =>
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adminApi.createInvite({
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godfather_id: godfatherId,
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}),
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{
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onSuccess: () => {
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setNewGodfatherId("");
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fetchInvites(1, statusFilter);
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setPage(1);
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},
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}
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);
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const { mutate: revokeInvite } = useMutation(
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(inviteId: number) => adminApi.revokeInvite(inviteId),
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{
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onSuccess: () => {
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setError(null);
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fetchInvites(page, statusFilter);
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},
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onError: (err) => {
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setError(err instanceof Error ? err.message : "Failed to revoke invite");
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},
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}
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);
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const handleCreateInvite = async () => {
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if (!newGodfatherId) {
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setCreateError("Please select a godfather");
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return;
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}
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setIsCreating(true);
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setCreateError(null);
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try {
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await adminApi.createInvite({
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godfather_id: parseInt(newGodfatherId),
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});
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setNewGodfatherId("");
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fetchInvites(1, statusFilter);
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setPage(1);
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} catch (err) {
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setCreateError(err instanceof Error ? err.message : "Failed to create invite");
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} finally {
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setIsCreating(false);
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await createInvite(parseInt(newGodfatherId));
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} catch {
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// Error handled by useMutation
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}
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};
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const handleRevoke = async (inviteId: number) => {
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try {
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await adminApi.revokeInvite(inviteId);
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setError(null);
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fetchInvites(page, statusFilter);
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} catch (err) {
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setError(err instanceof Error ? err.message : "Failed to revoke invite");
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await revokeInvite(inviteId);
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} catch {
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// Error handled by useMutation
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}
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};
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@ -1,58 +1,43 @@
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"use client";
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import { useEffect, useState, useCallback } from "react";
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import { useState } from "react";
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import { Permission } from "../../auth-context";
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import { adminApi } from "../../api";
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import { sharedStyles } from "../../styles/shared";
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import { Header } from "../../components/Header";
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import { PageLayout } from "../../components/PageLayout";
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import { useRequireAuth } from "../../hooks/useRequireAuth";
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import { components } from "../../generated/api";
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type PriceHistoryRecord = components["schemas"]["PriceHistoryResponse"];
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import { useAsyncData } from "../../hooks/useAsyncData";
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export default function AdminPriceHistoryPage() {
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const [records, setRecords] = useState<PriceHistoryRecord[]>([]);
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const [error, setError] = useState<string | null>(null);
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const [isLoadingData, setIsLoadingData] = useState(true);
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const [isFetching, setIsFetching] = useState(false);
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const { user, isLoading, isAuthorized } = useRequireAuth({
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requiredPermission: Permission.VIEW_AUDIT,
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fallbackRedirect: "/",
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});
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const fetchRecords = useCallback(async () => {
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setError(null);
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setIsLoadingData(true);
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try {
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const data = await adminApi.getPriceHistory();
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setRecords(data);
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} catch (err) {
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setRecords([]);
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setError(err instanceof Error ? err.message : "Failed to load price history");
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} finally {
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setIsLoadingData(false);
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}
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}, []);
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const {
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data: records = [],
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isLoading: isLoadingData,
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error,
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refetch: fetchRecords,
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} = useAsyncData(() => adminApi.getPriceHistory(), {
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enabled: !!user && isAuthorized,
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initialData: [],
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});
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const [isFetching, setIsFetching] = useState(false);
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const handleFetchNow = async () => {
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setIsFetching(true);
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setError(null);
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try {
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await adminApi.fetchPrice();
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await fetchRecords();
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} catch (err) {
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setError(err instanceof Error ? err.message : "Failed to fetch price");
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console.error("Failed to fetch price:", err);
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} finally {
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setIsFetching(false);
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}
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};
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useEffect(() => {
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if (user && isAuthorized) {
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fetchRecords();
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}
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}, [user, isAuthorized, fetchRecords]);
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const formatDate = (dateStr: string) => {
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return new Date(dateStr).toLocaleString();
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};
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@ -66,85 +51,75 @@ export default function AdminPriceHistoryPage() {
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}).format(price);
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};
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if (isLoading) {
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return (
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<main style={styles.main}>
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<div style={styles.loader}>Loading...</div>
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</main>
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);
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}
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if (!user || !isAuthorized) {
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return null;
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}
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return (
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<main style={styles.main}>
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<Header currentPage="admin-price-history" />
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<div style={styles.content}>
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<div style={styles.tableCard}>
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<div style={styles.tableHeader}>
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<h2 style={styles.tableTitle}>Bitcoin Price History</h2>
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<div style={styles.headerActions}>
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<span style={styles.totalCount}>{records.length} records</span>
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<button onClick={fetchRecords} style={styles.refreshBtn} disabled={isLoadingData}>
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Refresh
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</button>
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<button onClick={handleFetchNow} style={styles.fetchBtn} disabled={isFetching}>
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{isFetching ? "Fetching..." : "Fetch Now"}
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</button>
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</div>
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</div>
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<div style={styles.tableWrapper}>
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<table style={styles.table}>
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<thead>
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<tr>
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<th style={styles.th}>Source</th>
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<th style={styles.th}>Pair</th>
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<th style={styles.th}>Price</th>
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<th style={styles.th}>Timestamp</th>
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</tr>
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</thead>
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<tbody>
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{error && (
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<tr>
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<td colSpan={4} style={styles.errorRow}>
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{error}
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</td>
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</tr>
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)}
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{!error && isLoadingData && (
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<tr>
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<td colSpan={4} style={styles.emptyRow}>
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Loading...
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</td>
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</tr>
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)}
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{!error && !isLoadingData && records.length === 0 && (
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<tr>
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<td colSpan={4} style={styles.emptyRow}>
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No price records yet. Click "Fetch Now" to get the current price.
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</td>
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</tr>
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)}
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{!error &&
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!isLoadingData &&
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records.map((record) => (
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<tr key={record.id} style={styles.tr}>
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<td style={styles.td}>{record.source}</td>
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<td style={styles.td}>{record.pair}</td>
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<td style={styles.tdPrice}>{formatPrice(record.price)}</td>
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<td style={styles.tdDate}>{formatDate(record.timestamp)}</td>
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</tr>
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))}
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</tbody>
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</table>
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<PageLayout
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currentPage="admin-price-history"
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isLoading={isLoading}
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isAuthorized={!!user && isAuthorized}
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error={error}
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contentStyle={styles.content}
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>
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<div style={styles.tableCard}>
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<div style={styles.tableHeader}>
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<h2 style={styles.tableTitle}>Bitcoin Price History</h2>
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<div style={styles.headerActions}>
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<span style={styles.totalCount}>{records.length} records</span>
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<button onClick={fetchRecords} style={styles.refreshBtn} disabled={isLoadingData}>
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Refresh
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</button>
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<button onClick={handleFetchNow} style={styles.fetchBtn} disabled={isFetching}>
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{isFetching ? "Fetching..." : "Fetch Now"}
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</button>
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</div>
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</div>
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<div style={styles.tableWrapper}>
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<table style={styles.table}>
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<thead>
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<tr>
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<th style={styles.th}>Source</th>
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<th style={styles.th}>Pair</th>
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<th style={styles.th}>Price</th>
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<th style={styles.th}>Timestamp</th>
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</tr>
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</thead>
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<tbody>
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{error && (
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<tr>
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<td colSpan={4} style={styles.errorRow}>
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{error}
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</td>
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</tr>
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)}
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{!error && isLoadingData && (
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<tr>
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<td colSpan={4} style={styles.emptyRow}>
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Loading...
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</td>
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</tr>
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)}
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{!error && !isLoadingData && records.length === 0 && (
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<tr>
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<td colSpan={4} style={styles.emptyRow}>
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No price records yet. Click "Fetch Now" to get the current price.
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</td>
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</tr>
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)}
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{!error &&
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!isLoadingData &&
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records.map((record) => (
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<tr key={record.id} style={styles.tr}>
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<td style={styles.td}>{record.source}</td>
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<td style={styles.td}>{record.pair}</td>
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<td style={styles.tdPrice}>{formatPrice(record.price)}</td>
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<td style={styles.tdDate}>{formatDate(record.timestamp)}</td>
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</tr>
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))}
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</tbody>
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</table>
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</div>
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</div>
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</main>
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</PageLayout>
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);
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}
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