Files
GithubStatsManager-Android/screens/CategoryManageScreen.js
2026-04-27 23:58:12 +08:00

381 lines
9.8 KiB
JavaScript

import { useState, useEffect, useRef } from 'react';
import {
View, Text, StyleSheet, TouchableOpacity, ScrollView,
TextInput, Alert, ActivityIndicator, Platform, BackHandler
} from 'react-native';
import { StatusBar } from 'expo-status-bar';
import { Ionicons } from '@expo/vector-icons';
import {
getAllCategories, addCategory, updateCategory, deleteCategory,
getUncategorizedRepos, batchSetRepoCategories, getRepoCountByCategory
} from '../services/database';
import { runAutoCategorize } from '../services/categorizer';
// 可选的颜色列表(给分类标签选择用)
const CAT_COLORS = ['#0366d6', '#28a745', '#d73a4a', '#6f42c1', '#e36209', '#19b5a0', '#f0ad4e', '#8b5cf6', '#1abc9c', '#3498db', '#9b59b6', '#e67e22', '#2c3e50'];
// 分类管理页:查看/新增/编辑/删除分类
export default function CategoryManageScreen({ onGoBack }) {
const [categories, setCategories] = useState([]);
const [stats, setStats] = useState({});
const [loading, setLoading] = useState(true);
const goBackRef = useRef(onGoBack);
goBackRef.current = onGoBack;
// 表单状态
const [showForm, setShowForm] = useState(false);
const [editingCat, setEditingCat] = useState(null);
const [formName, setFormName] = useState('');
const [formColor, setFormColor] = useState(CAT_COLORS[0]);
// 加载分类列表及各分类的仓库数量
const loadData = async () => {
const cats = await getAllCategories();
setCategories(cats);
const counts = await getRepoCountByCategory();
const statsMap = {};
for (const c of counts) {
statsMap[c.id] = c.repo_count;
}
setStats(statsMap);
setLoading(false);
};
useEffect(() => {
loadData();
}, []);
// Android 硬件返回按钮
useEffect(() => {
const onBackPress = () => {
goBackRef.current();
return true;
};
const subscription = BackHandler.addEventListener('hardwareBackPress', onBackPress);
return () => subscription.remove();
}, []);
const openAddForm = () => {
setEditingCat(null);
setFormName('');
setFormColor(CAT_COLORS[0]);
setShowForm(true);
};
const openEditForm = (cat) => {
setEditingCat(cat);
setFormName(cat.name);
setFormColor(cat.color);
setShowForm(true);
};
const closeForm = () => {
setShowForm(false);
setEditingCat(null);
setFormName('');
};
// 保存分类:新增时自动触发未分类仓库的自动归类
const handleSave = async () => {
const trimmed = formName.trim();
if (!trimmed) {
Alert.alert('提示', '分类名称不能为空');
return;
}
try {
if (editingCat) {
await updateCategory(editingCat.id, trimmed, formColor);
} else {
await addCategory(trimmed, formColor);
// 新增分类后自动将未分类仓库匹配到新分类
const cats = await getAllCategories();
await runAutoCategorize(cats, getUncategorizedRepos, batchSetRepoCategories);
}
closeForm();
await loadData();
} catch (e) {
Alert.alert('错误', e.message || '保存失败');
}
};
// 删除分类(该分类下的仓库变为未分类)
const handleDelete = (cat) => {
Alert.alert(
'删除分类',
`确定要删除「${cat.name}」吗?该分类下的仓库将变为未分类状态。`,
[
{ text: '取消', style: 'cancel' },
{
text: '删除',
style: 'destructive',
onPress: async () => {
await deleteCategory(cat.id);
await loadData();
},
},
]
);
};
if (loading) {
return (
<View style={styles.center}>
<ActivityIndicator size="large" color="#0366d6" />
</View>
);
}
return (
<View style={styles.container}>
<StatusBar style="dark" />
<View style={styles.header}>
<TouchableOpacity style={styles.headerBtn} onPress={onGoBack}>
<Ionicons name="arrow-back" size={24} color="#333" />
</TouchableOpacity>
<Text style={styles.headerTitle}>分类管理</Text>
<TouchableOpacity style={styles.headerBtn} onPress={openAddForm}>
<Ionicons name="add" size={26} color="#0366d6" />
</TouchableOpacity>
</View>
<ScrollView style={styles.scroll}>
{showForm ? (
<View style={styles.formCard}>
<Text style={styles.formTitle}>
{editingCat ? '编辑分类' : '新建分类'}
</Text>
<Text style={styles.fieldLabel}>名称</Text>
<TextInput
style={styles.input}
value={formName}
onChangeText={setFormName}
placeholder="输入分类名称"
placeholderTextColor="#bbb"
autoFocus
/>
<Text style={styles.fieldLabel}>颜色</Text>
<View style={styles.colorPicker}>
{CAT_COLORS.map((color) => (
<TouchableOpacity
key={color}
onPress={() => setFormColor(color)}
style={[
styles.colorOption,
{ backgroundColor: color },
formColor === color && styles.colorOptionSelected,
]}
/>
))}
</View>
<View style={styles.formActions}>
<TouchableOpacity style={styles.cancelBtn} onPress={closeForm}>
<Text style={styles.cancelBtnText}>取消</Text>
</TouchableOpacity>
<TouchableOpacity style={styles.saveBtn} onPress={handleSave}>
<Text style={styles.saveBtnText}>
{editingCat ? '更新' : '创建'}
</Text>
</TouchableOpacity>
</View>
</View>
) : null}
{categories.map((cat) => (
<View key={cat.id} style={styles.catItem}>
<View style={styles.catItemLeft}>
<View style={[styles.catDot, { backgroundColor: cat.color }]} />
<View style={styles.catItemInfo}>
<Text style={styles.catItemName}>{cat.name}</Text>
<Text style={styles.catItemCount}>
{stats[cat.id] || 0} 个仓库
</Text>
</View>
</View>
<View style={styles.catItemActions}>
<TouchableOpacity
style={styles.catActionBtn}
onPress={() => openEditForm(cat)}
>
<Ionicons name="pencil" size={18} color="#0366d6" />
</TouchableOpacity>
<TouchableOpacity
style={styles.catActionBtn}
onPress={() => handleDelete(cat)}
>
<Ionicons name="trash" size={18} color="#d73a4a" />
</TouchableOpacity>
</View>
</View>
))}
<View style={{ height: 40 }} />
</ScrollView>
</View>
);
}
const styles = StyleSheet.create({
container: {
flex: 1,
backgroundColor: '#f5f5f5',
},
center: {
flex: 1,
justifyContent: 'center',
alignItems: 'center',
},
header: {
flexDirection: 'row',
alignItems: 'center',
justifyContent: 'space-between',
backgroundColor: '#fff',
paddingTop: Platform.OS === 'ios' ? 50 : 40,
paddingBottom: 10,
paddingHorizontal: 8,
borderBottomWidth: 1,
borderBottomColor: '#e8e8e8',
},
headerBtn: {
width: 40,
height: 40,
justifyContent: 'center',
alignItems: 'center',
},
headerTitle: {
fontSize: 17,
fontWeight: '600',
color: '#1a1a1a',
},
scroll: {
flex: 1,
paddingHorizontal: 16,
paddingTop: 12,
},
formCard: {
backgroundColor: '#fff',
borderRadius: 12,
padding: 16,
marginBottom: 12,
elevation: 2,
shadowColor: '#000',
shadowOffset: { width: 0, height: 1 },
shadowOpacity: 0.1,
shadowRadius: 3,
},
formTitle: {
fontSize: 16,
fontWeight: '600',
color: '#1a1a1a',
marginBottom: 12,
},
fieldLabel: {
fontSize: 13,
fontWeight: '600',
color: '#666',
marginBottom: 6,
marginTop: 8,
},
input: {
borderWidth: 1,
borderColor: '#ddd',
borderRadius: 10,
padding: 12,
fontSize: 15,
color: '#333',
backgroundColor: '#fafafa',
},
colorPicker: {
flexDirection: 'row',
gap: 10,
marginBottom: 8,
flexWrap: 'wrap',
},
colorOption: {
width: 36,
height: 36,
borderRadius: 18,
borderWidth: 3,
borderColor: 'transparent',
},
colorOptionSelected: {
borderColor: '#333',
},
formActions: {
flexDirection: 'row',
gap: 10,
marginTop: 12,
},
cancelBtn: {
flex: 1,
padding: 14,
borderRadius: 10,
alignItems: 'center',
borderWidth: 1,
borderColor: '#ddd',
},
cancelBtnText: {
fontSize: 15,
color: '#666',
fontWeight: '500',
},
saveBtn: {
flex: 1,
padding: 14,
borderRadius: 10,
alignItems: 'center',
backgroundColor: '#0366d6',
},
saveBtnText: {
fontSize: 15,
color: '#fff',
fontWeight: '600',
},
catItem: {
flexDirection: 'row',
justifyContent: 'space-between',
alignItems: 'center',
backgroundColor: '#fff',
borderRadius: 12,
padding: 14,
marginBottom: 8,
elevation: 1,
shadowColor: '#000',
shadowOffset: { width: 0, height: 1 },
shadowOpacity: 0.05,
shadowRadius: 2,
},
catItemLeft: {
flexDirection: 'row',
alignItems: 'center',
flex: 1,
},
catDot: {
width: 14,
height: 14,
borderRadius: 7,
marginRight: 12,
},
catItemInfo: {
flex: 1,
},
catItemName: {
fontSize: 15,
fontWeight: '500',
color: '#333',
},
catItemCount: {
fontSize: 12,
color: '#999',
marginTop: 2,
},
catItemActions: {
flexDirection: 'row',
gap: 8,
},
catActionBtn: {
padding: 6,
},
});