feat(medications): 实现完整的用药管理功能
添加了药物管理的核心功能，包括： - 药物列表展示和状态管理 - 添加新药物的完整流程 - 服药记录的创建和状态更新 - 药物管理界面，支持激活/停用操作 - Redux状态管理和API服务层 - 相关类型定义和辅助函数 主要文件： - app/(tabs)/medications.tsx - 主界面，集成Redux数据 - app/medications/add-medication.tsx - 添加药物流程 - app/medications/manage-medications.tsx - 药物管理界面 - store/medicationsSlice.ts - Redux状态管理 - services/medications.ts - API服务层 - types/medication.ts - 类型定义
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richarjiang
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app/medications/add-medication.tsx
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app/medications/add-medication.tsx
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app/medications/manage-medications.tsx
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app/medications/manage-medications.tsx
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import { ThemedText } from '@/components/ThemedText';
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import { HeaderBar } from '@/components/ui/HeaderBar';
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import { IconSymbol } from '@/components/ui/IconSymbol';
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import { Colors } from '@/constants/Colors';
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import { useAppDispatch, useAppSelector } from '@/hooks/redux';
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import { useColorScheme } from '@/hooks/useColorScheme';
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import { useSafeAreaTop } from '@/hooks/useSafeAreaWithPadding';
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import {
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fetchMedications,
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selectMedications,
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selectMedicationsLoading,
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updateMedicationAction,
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} from '@/store/medicationsSlice';
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import type { Medication, MedicationForm } from '@/types/medication';
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import { useFocusEffect } from '@react-navigation/native';
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import dayjs from 'dayjs';
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import { Image } from 'expo-image';
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import { router } from 'expo-router';
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import React, { useCallback, useMemo, useState } from 'react';
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import {
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ActivityIndicator,
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Alert,
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ScrollView,
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StyleSheet,
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Switch,
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TouchableOpacity,
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View,
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} from 'react-native';
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import { useSafeAreaInsets } from 'react-native-safe-area-context';
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type FilterType = 'all' | 'active' | 'inactive';
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const FORM_LABELS: Record<MedicationForm, string> = {
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capsule: '胶囊',
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pill: '药片',
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injection: '注射',
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spray: '喷雾',
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drop: '滴剂',
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syrup: '糖浆',
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other: '其他',
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};
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const FILTER_CONFIG: Array<{ key: FilterType; label: string }> = [
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{ key: 'all', label: '全部' },
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{ key: 'active', label: '进行中' },
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{ key: 'inactive', label: '已停用' },
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];
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const DEFAULT_IMAGE = require('@/assets/images/icons/icon-healthy-diet.png');
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export default function ManageMedicationsScreen() {
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const dispatch = useAppDispatch();
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const theme = (useColorScheme() ?? 'light') as 'light' | 'dark';
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const colors = Colors[theme];
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const safeAreaTop = useSafeAreaTop();
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const insets = useSafeAreaInsets();
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const medications = useAppSelector(selectMedications);
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const loading = useAppSelector(selectMedicationsLoading);
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const [activeFilter, setActiveFilter] = useState<FilterType>('all');
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const [pendingMedicationId, setPendingMedicationId] = useState<string | null>(null);
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const updateLoading = loading.update;
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const listLoading = loading.medications && medications.length === 0;
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useFocusEffect(
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useCallback(() => {
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dispatch(fetchMedications());
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}, [dispatch])
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);
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// 优化：使用更精确的依赖项，只有当药品数量或激活状态改变时才重新计算
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const medicationsHash = useMemo(() => {
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return medications.map(m => `${m.id}-${m.isActive}`).join('|');
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}, [medications]);
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const counts = useMemo<Record<FilterType, number>>(() => {
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const active = medications.filter((med) => med.isActive).length;
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const inactive = medications.length - active;
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return {
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all: medications.length,
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active,
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inactive,
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};
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}, [medicationsHash]);
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const filteredMedications = useMemo(() => {
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switch (activeFilter) {
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case 'active':
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return medications.filter((med) => med.isActive);
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case 'inactive':
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return medications.filter((med) => !med.isActive);
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default:
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return medications;
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}
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}, [activeFilter, medicationsHash]);
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const handleToggleMedication = useCallback(
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async (medication: Medication, nextValue: boolean) => {
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if (pendingMedicationId) return;
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try {
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setPendingMedicationId(medication.id);
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await dispatch(
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updateMedicationAction({
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id: medication.id,
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isActive: nextValue,
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})
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).unwrap();
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} catch (error) {
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console.error('更新药物状态失败', error);
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Alert.alert('操作失败', '切换药物状态时发生问题，请稍后重试。');
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} finally {
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setPendingMedicationId(null);
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}
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},
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[dispatch, pendingMedicationId]
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);
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// 创建独立的药品卡片组件，使用 React.memo 优化渲染
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const MedicationCard = React.memo(({ medication }: { medication: Medication }) => {
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const dosageLabel = `${medication.dosageValue} ${medication.dosageUnit || ''} ${FORM_LABELS[medication.form] ?? ''}`.trim();
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const frequencyLabel = `${medication.repeatPattern === 'daily' ? '每日' : medication.repeatPattern === 'weekly' ? '每周' : '自定义'} | ${dosageLabel}`;
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const startDateLabel = dayjs(medication.startDate).isValid()
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? dayjs(medication.startDate).format('M月D日')
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: '未知日期';
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const reminderLabel = medication.medicationTimes?.length
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? medication.medicationTimes.join('、')
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: `${medication.timesPerDay} 次/日`;
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return (
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<View style={[styles.card, { backgroundColor: colors.surface }]}>
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<View style={styles.cardInfo}>
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<Image
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source={medication.photoUrl ? { uri: medication.photoUrl } : DEFAULT_IMAGE}
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style={styles.cardImage}
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contentFit="cover"
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/>
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<View style={styles.cardTexts}>
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<ThemedText style={styles.cardTitle}>{medication.name}</ThemedText>
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<ThemedText style={[styles.cardMeta, { color: colors.textSecondary }]}>
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{frequencyLabel}
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</ThemedText>
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<ThemedText style={[styles.cardMeta, { color: colors.textMuted }]}>
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{`开始于 ${startDateLabel} ｜ 提醒：${reminderLabel}`}
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</ThemedText>
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</View>
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</View>
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<Switch
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value={medication.isActive}
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onValueChange={(value) => handleToggleMedication(medication, value)}
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disabled={updateLoading || pendingMedicationId === medication.id}
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trackColor={{ false: '#D9D9D9', true: colors.primary }}
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thumbColor={medication.isActive ? '#fff' : '#fff'}
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ios_backgroundColor="#D9D9D9"
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/>
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</View>
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);
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}, (prevProps, nextProps) => {
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// 自定义比较函数，只有当药品的 isActive 状态或 ID 改变时才重新渲染
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return (
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prevProps.medication.id === nextProps.medication.id &&
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prevProps.medication.isActive === nextProps.medication.isActive &&
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prevProps.medication.name === nextProps.medication.name &&
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prevProps.medication.photoUrl === nextProps.medication.photoUrl
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);
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});
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MedicationCard.displayName = 'MedicationCard';
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const renderMedicationCard = useCallback(
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(medication: Medication) => {
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return <MedicationCard key={medication.id} medication={medication} />;
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},
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[handleToggleMedication, pendingMedicationId, updateLoading, colors]
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);
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return (
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<View style={[styles.container, { backgroundColor: colors.background }]}>
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<HeaderBar
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title="药品管理"
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onBack={() => router.back()}
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variant="minimal"
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transparent
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/>
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<View style={{ paddingTop: safeAreaTop }} />
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<ScrollView
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contentContainerStyle={[
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styles.content,
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{ paddingBottom: insets.bottom + 32 },
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]}
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showsVerticalScrollIndicator={false}
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>
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<View style={styles.pageHeader}>
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<View>
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<ThemedText style={styles.title}>我的用药</ThemedText>
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<ThemedText style={[styles.subtitle, { color: colors.textMuted }]}>
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管理所有药品的状态与提醒
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</ThemedText>
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</View>
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<TouchableOpacity
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style={[styles.addButton, { backgroundColor: colors.primary }]}
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activeOpacity={0.85}
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onPress={() => router.push('/medications/add-medication')}
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>
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<IconSymbol name="plus" size={20} color={colors.onPrimary} />
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</TouchableOpacity>
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</View>
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<View style={[styles.segmented, { backgroundColor: colors.surface }]}>
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{FILTER_CONFIG.map((filter) => {
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const isActive = filter.key === activeFilter;
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return (
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<TouchableOpacity
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key={filter.key}
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style={[
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styles.segmentButton,
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isActive && { backgroundColor: colors.primary },
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]}
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activeOpacity={0.85}
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onPress={() => setActiveFilter(filter.key)}
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>
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<ThemedText
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style={[
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styles.segmentLabel,
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{ color: isActive ? colors.onPrimary : colors.textSecondary },
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]}
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>
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{filter.label}
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</ThemedText>
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<View
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style={[
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styles.segmentBadge,
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{
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backgroundColor: isActive
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? colors.onPrimary
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: `${colors.primary}15`,
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},
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]}
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>
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<ThemedText
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style={[
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styles.segmentBadgeLabel,
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{ color: isActive ? colors.primary : colors.textSecondary },
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]}
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>
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{counts[filter.key] ?? 0}
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</ThemedText>
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</View>
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</TouchableOpacity>
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);
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})}
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</View>
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{listLoading ? (
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<View style={[styles.loading, { backgroundColor: colors.surface }]}>
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<ActivityIndicator color={colors.primary} />
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<ThemedText style={styles.loadingText}>正在载入药品信息...</ThemedText>
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</View>
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) : filteredMedications.length === 0 ? (
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<View style={[styles.empty, { backgroundColor: colors.surface }]}>
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<Image source={DEFAULT_IMAGE} style={styles.emptyImage} contentFit="contain" />
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<ThemedText style={styles.emptyTitle}>暂无药品</ThemedText>
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<ThemedText style={[styles.emptySubtitle, { color: colors.textSecondary }]}>
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还没有相关药品记录，点击右上角添加
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</ThemedText>
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</View>
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) : (
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<View style={styles.list}>{filteredMedications.map(renderMedicationCard)}</View>
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)}
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</ScrollView>
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</View>
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);
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}
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const styles = StyleSheet.create({
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container: {
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flex: 1,
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},
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content: {
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paddingHorizontal: 20,
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gap: 20,
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},
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pageHeader: {
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flexDirection: 'row',
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justifyContent: 'space-between',
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alignItems: 'center',
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},
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title: {
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fontSize: 26,
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fontWeight: '600',
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},
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subtitle: {
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marginTop: 6,
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fontSize: 14,
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},
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addButton: {
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width: 44,
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height: 44,
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borderRadius: 22,
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alignItems: 'center',
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justifyContent: 'center',
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},
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segmented: {
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flexDirection: 'row',
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padding: 6,
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borderRadius: 20,
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gap: 6,
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},
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segmentButton: {
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flex: 1,
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flexDirection: 'row',
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alignItems: 'center',
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justifyContent: 'center',
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borderRadius: 16,
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paddingVertical: 10,
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gap: 8,
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},
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segmentLabel: {
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fontSize: 15,
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fontWeight: '600',
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},
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segmentBadge: {
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minWidth: 28,
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paddingHorizontal: 8,
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height: 24,
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borderRadius: 12,
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alignItems: 'center',
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justifyContent: 'center',
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},
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segmentBadgeLabel: {
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fontSize: 12,
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fontWeight: '700',
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},
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list: {
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gap: 14,
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},
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card: {
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borderRadius: 22,
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padding: 14,
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flexDirection: 'row',
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justifyContent: 'space-between',
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alignItems: 'center',
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shadowColor: '#000',
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shadowOpacity: 0.05,
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shadowRadius: 6,
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shadowOffset: { width: 0, height: 4 },
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elevation: 1,
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},
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cardInfo: {
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flexDirection: 'row',
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alignItems: 'center',
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gap: 12,
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flex: 1,
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},
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cardImage: {
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width: 52,
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height: 52,
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borderRadius: 16,
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backgroundColor: '#F2F2F2',
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},
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cardTexts: {
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flex: 1,
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gap: 4,
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},
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cardTitle: {
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fontSize: 16,
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fontWeight: '600',
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},
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cardMeta: {
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fontSize: 13,
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},
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loading: {
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borderRadius: 22,
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paddingVertical: 32,
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alignItems: 'center',
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gap: 12,
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},
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loadingText: {
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fontSize: 14,
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},
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empty: {
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borderRadius: 22,
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paddingVertical: 32,
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alignItems: 'center',
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gap: 12,
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paddingHorizontal: 16,
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},
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emptyImage: {
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width: 120,
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height: 120,
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},
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emptyTitle: {
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fontSize: 18,
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fontWeight: '600',
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},
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emptySubtitle: {
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fontSize: 14,
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textAlign: 'center',
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},
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});
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