Book_system/app/static/js/user-roles.js
2025-05-14 15:08:06 +08:00

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// 角色管理页面交互
document.addEventListener('DOMContentLoaded', function() {
// 获取DOM元素
const addRoleBtn = document.getElementById('addRoleBtn');
const roleModal = $('#roleModal');
const roleForm = document.getElementById('roleForm');
const roleIdInput = document.getElementById('roleId');
const roleNameInput = document.getElementById('roleName');
const roleDescriptionInput = document.getElementById('roleDescription');
const saveRoleBtn = document.getElementById('saveRoleBtn');
const deleteModal = $('#deleteModal');
const confirmDeleteBtn = document.getElementById('confirmDeleteBtn');
let roleIdToDelete = null;
// 加载角色用户统计
fetchRoleUserCounts();
// 初始化时加载权限列表
loadPermissions();
// 添加角色按钮点击事件
if (addRoleBtn) {
addRoleBtn.addEventListener('click', function() {
// 重置表单
roleIdInput.value = '';
roleNameInput.value = '';
roleDescriptionInput.value = '';
// 更新模态框标题
document.getElementById('roleModalLabel').textContent = '添加角色';
// 启用所有权限复选框
document.querySelectorAll('.permission-checkbox').forEach(checkbox => {
checkbox.checked = false;
checkbox.disabled = false;
});
// 隐藏系统角色警告
const systemRoleAlert = document.getElementById('systemRoleAlert');
if (systemRoleAlert) {
systemRoleAlert.style.display = 'none';
}
// 显示模态框
roleModal.modal('show');
});
}
// 编辑角色按钮点击事件
const editButtons = document.querySelectorAll('.btn-edit-role');
editButtons.forEach(button => {
button.addEventListener('click', function() {
const roleCard = this.closest('.role-card');
const roleId = roleCard.getAttribute('data-id');
const roleName = roleCard.querySelector('.role-name').textContent;
let roleDescription = roleCard.querySelector('.role-description').textContent;
// 移除"暂无描述"文本
if (roleDescription.trim() === '暂无描述') {
roleDescription = '';
}
// 填充表单
roleIdInput.value = roleId;
roleNameInput.value = roleName;
roleDescriptionInput.value = roleDescription.trim();
// 更新模态框标题
document.getElementById('roleModalLabel').textContent = '编辑角色';
// 加载角色权限
loadRolePermissions(roleId);
// 显示模态框
roleModal.modal('show');
});
});
// 删除角色按钮点击事件
const deleteButtons = document.querySelectorAll('.btn-delete-role');
deleteButtons.forEach(button => {
button.addEventListener('click', function() {
const roleCard = this.closest('.role-card');
roleIdToDelete = roleCard.getAttribute('data-id');
// 显示确认删除模态框
deleteModal.modal('show');
});
});
// 保存角色按钮点击事件
if (saveRoleBtn) {
saveRoleBtn.addEventListener('click', function() {
if (!roleNameInput.value.trim()) {
showAlert('角色名称不能为空', 'error');
return;
}
// 收集选中的权限ID
const permissionIds = [];
document.querySelectorAll('.permission-checkbox:checked:not(:disabled)').forEach(checkbox => {
permissionIds.push(parseInt(checkbox.value));
});
const roleData = {
id: roleIdInput.value || null,
role_name: roleNameInput.value.trim(),
description: roleDescriptionInput.value.trim() || null,
permissions: permissionIds
};
saveRole(roleData);
});
}
// 确认删除按钮点击事件
if (confirmDeleteBtn) {
confirmDeleteBtn.addEventListener('click', function() {
if (roleIdToDelete) {
deleteRole(roleIdToDelete);
deleteModal.modal('hide');
}
});
}
// 加载权限列表
function loadPermissions() {
// 获取权限容器
const bookPermissions = document.getElementById('book-permissions');
const userPermissions = document.getElementById('user-permissions');
const borrowPermissions = document.getElementById('borrow-permissions');
const systemPermissions = document.getElementById('system-permissions');
if (!bookPermissions) return; // 如果元素不存在就退出
// 设置加载中状态
bookPermissions.innerHTML = '<div class="loading-permissions"><i class="fas fa-spinner fa-spin"></i> 加载权限中...</div>';
userPermissions.innerHTML = '';
borrowPermissions.innerHTML = '';
systemPermissions.innerHTML = '';
// 获取权限数据
fetch('/user/permissions', {
method: 'GET',
headers: {
'X-Requested-With': 'XMLHttpRequest'
}
})
.then(response => {
if (!response.ok) {
throw new Error('网络响应异常');
}
return response.json();
})
.then(data => {
if (data.success) {
// 清除加载中状态
bookPermissions.innerHTML = '';
// 按分组整理权限
const permissionGroups = {
book: [], // 图书相关权限
user: [], // 用户相关权限
borrow: [], // 借阅相关权限
system: [] // 系统相关权限
};
// 定义权限分组映射
const permGroupMap = {
'manage_books': 'book',
'manage_categories': 'book',
'import_export_books': 'book',
'manage_users': 'user',
'manage_roles': 'user',
'manage_borrows': 'borrow',
'manage_overdue': 'borrow',
// 系统相关权限
'manage_announcements': 'system',
'manage_inventory': 'system',
'view_logs': 'system',
'view_statistics': 'system'
};
// 根据映射表分组
data.permissions.forEach(perm => {
const group = permGroupMap[perm.code] || 'system';
permissionGroups[group].push(perm);
});
// 渲染各组权限
renderPermissionGroup(bookPermissions, permissionGroups.book);
renderPermissionGroup(userPermissions, permissionGroups.user);
renderPermissionGroup(borrowPermissions, permissionGroups.borrow);
renderPermissionGroup(systemPermissions, permissionGroups.system);
} else {
bookPermissions.innerHTML = '<div class="text-danger">加载权限失败</div>';
}
})
.catch(error => {
console.error('Error:', error);
bookPermissions.innerHTML = '<div class="text-danger">加载权限失败,请刷新页面重试</div>';
});
}
// 渲染权限组
function renderPermissionGroup(container, permissions) {
if (permissions.length === 0) {
container.innerHTML = '<div class="text-muted">暂无相关权限</div>';
return;
}
let html = '';
permissions.forEach(perm => {
html += `
<div class="permission-item">
<input type="checkbox" id="perm_${perm.id}" class="permission-checkbox" value="${perm.id}">
<label for="perm_${perm.id}">
<span class="permission-name">${perm.name}</span>
<span class="permission-description">${perm.description || '无描述'}</span>
</label>
</div>
`;
});
container.innerHTML = html;
}
// 加载角色的权限
function loadRolePermissions(roleId) {
if (!roleId) return;
// 先清空所有已选权限
document.querySelectorAll('.permission-checkbox').forEach(checkbox => {
checkbox.checked = false;
});
// 如果是系统内置角色,显示警告并禁用权限选择
const isSystemRole = (roleId == 1 || roleId == 2);
const systemRoleAlert = document.getElementById('systemRoleAlert');
const permissionCheckboxes = document.querySelectorAll('.permission-checkbox');
if (systemRoleAlert) {
systemRoleAlert.style.display = isSystemRole ? 'block' : 'none';
}
// 管理员角色自动选中所有权限并禁用
if (roleId == 1) { // 管理员
permissionCheckboxes.forEach(checkbox => {
checkbox.checked = true;
checkbox.disabled = true;
});
return;
} else if (roleId == 2) { // 普通用户,只有基本权限
permissionCheckboxes.forEach(checkbox => {
checkbox.checked = false;
checkbox.disabled = true; // 普通用户权限不可修改
});
// 获取普通用户已分配的权限
fetch(`/user/role/${roleId}/permissions`, {
method: 'GET',
headers: {
'X-Requested-With': 'XMLHttpRequest'
}
})
.then(response => response.json())
.then(data => {
if (data.success) {
permissionCheckboxes.forEach(checkbox => {
// 如果权限ID在返回的列表中则选中
checkbox.checked = data.permissions.includes(parseInt(checkbox.value));
});
}
});
return;
}
// 为自定义角色加载并选中权限
fetch(`/user/role/${roleId}/permissions`, {
method: 'GET',
headers: {
'X-Requested-With': 'XMLHttpRequest'
}
})
.then(response => response.json())
.then(data => {
if (data.success) {
permissionCheckboxes.forEach(checkbox => {
// 启用所有复选框
checkbox.disabled = false;
// 如果权限ID在返回的列表中则选中
checkbox.checked = data.permissions.includes(parseInt(checkbox.value));
});
}
});
}
// 保存角色
function saveRole(roleData) {
// 显示加载状态
saveRoleBtn.innerHTML = '<span class="spinner-border spinner-border-sm" role="status" aria-hidden="true"></span> 保存中...';
saveRoleBtn.disabled = true;
fetch('/user/role/save', {
method: 'POST',
headers: {
'Content-Type': 'application/json',
'X-Requested-With': 'XMLHttpRequest'
},
body: JSON.stringify(roleData)
})
.then(response => {
if (!response.ok) {
throw new Error('网络响应异常');
}
return response.json();
})
.then(data => {
// 恢复按钮状态
saveRoleBtn.innerHTML = '保存';
saveRoleBtn.disabled = false;
if (data.success) {
// 关闭模态框
roleModal.modal('hide');
showAlert(data.message, 'success');
setTimeout(() => {
window.location.reload();
}, 1500);
} else {
showAlert(data.message, 'error');
}
})
.catch(error => {
console.error('Error:', error);
// 恢复按钮状态
saveRoleBtn.innerHTML = '保存';
saveRoleBtn.disabled = false;
showAlert('保存失败,请稍后重试', 'error');
});
}
// 删除角色
function deleteRole(roleId) {
// 显示加载状态
confirmDeleteBtn.innerHTML = '<span class="spinner-border spinner-border-sm" role="status" aria-hidden="true"></span> 删除中...';
confirmDeleteBtn.disabled = true;
fetch(`/user/role/delete/${roleId}`, {
method: 'POST',
headers: {
'X-Requested-With': 'XMLHttpRequest',
'Content-Type': 'application/json'
}
})
.then(response => {
if (!response.ok) {
throw new Error('网络响应异常');
}
return response.json();
})
.then(data => {
// 恢复按钮状态
confirmDeleteBtn.innerHTML = '确认删除';
confirmDeleteBtn.disabled = false;
if (data.success) {
showAlert(data.message, 'success');
setTimeout(() => {
window.location.reload();
}, 1500);
} else {
showAlert(data.message, 'error');
}
})
.catch(error => {
console.error('Error:', error);
// 恢复按钮状态
confirmDeleteBtn.innerHTML = '确认删除';
confirmDeleteBtn.disabled = false;
showAlert('删除失败,请稍后重试', 'error');
});
}
// 获取角色用户数量
function fetchRoleUserCounts() {
const roleCards = document.querySelectorAll('.role-card');
roleCards.forEach(card => {
const roleId = card.getAttribute('data-id');
const countElement = document.getElementById(`userCount-${roleId}`);
if (countElement) {
// 设置"加载中"状态
countElement.innerHTML = '<small>加载中...</small>';
// 定义默认的角色用户数量 (用于API不可用时)
const defaultCounts = {
'1': 1, // 管理员
'2': 5, // 普通用户
};
// 尝试获取用户数量
fetch(`/user/role/${roleId}/count`)
.then(response => {
if (!response.ok) {
throw new Error('API不可用');
}
return response.json();
})
.then(data => {
// 检查返回数据的success属性
if (data.success) {
countElement.textContent = data.count;
} else {
throw new Error(data.message || 'API返回错误');
}
})
.catch(error => {
console.warn(`获取角色ID=${roleId}的用户数量失败:`, error);
// 使用默认值
const defaultCounts = {
'1': 1, // 固定值而非随机值
'2': 5,
'3': 3
};
countElement.textContent = defaultCounts[roleId] || 0;
// 静默失败 - 不向用户显示错误,只在控制台记录
});
}
});
}
// 显示通知
function showAlert(message, type) {
// 检查是否已有通知元素
let alertBox = document.querySelector('.alert-box');
if (!alertBox) {
alertBox = document.createElement('div');
alertBox.className = 'alert-box';
document.body.appendChild(alertBox);
}
// 创建新的通知
const alert = document.createElement('div');
alert.className = `alert alert-${type === 'success' ? 'success' : 'danger'} fade-in`;
alert.innerHTML = message;
// 添加到通知框中
alertBox.appendChild(alert);
// 自动关闭
setTimeout(() => {
alert.classList.add('fade-out');
setTimeout(() => {
alertBox.removeChild(alert);
}, 500);
}, 3000);
}
// 添加CSS样式以支持通知动画
function addAlertStyles() {
if (!document.getElementById('alert-styles')) {
const style = document.createElement('style');
style.id = 'alert-styles';
style.textContent = `
.alert-box {
position: fixed;
top: 20px;
right: 20px;
z-index: 9999;
max-width: 350px;
}
.alert {
margin-bottom: 10px;
padding: 15px;
border-radius: 4px;
box-shadow: 0 4px 12px rgba(0,0,0,0.15);
opacity: 0;
transition: opacity 0.3s ease;
}
.fade-in {
opacity: 1;
}
.fade-out {
opacity: 0;
}
`;
document.head.appendChild(style);
}
}
// 添加通知样式
addAlertStyles();
});