admin-web/src/views/RolesView.vue

<script setup lang="ts">
import { computed, nextTick, onMounted, reactive, ref, watch } from 'vue'
import { ElMessage, ElMessageBox } from 'element-plus'
import { Pencil, Plus, RotateCcw, Search, ShieldCheck, Trash2 } from '@lucide/vue'
import {
  changePlatformRoleStatus,
  createPlatformRole,
  deletePlatformRole,
  listPlatformInternalUsers,
  listPlatformPermissions,
  listPlatformRoles,
  replacePlatformRolePermissions,
  updatePlatformRole,
  type PlatformRoleResource,
} from '@/api/platformIam'
import { getApiErrorDetails, getApiErrorMessage, type ApiErrorDetails } from '@/api/http'
import ApiErrorMeta from '@/components/ApiErrorMeta.vue'
import MetricStrip from '@/components/MetricStrip.vue'
import StatusBadge from '@/components/StatusBadge.vue'
import { useUnsavedWorkRegistration } from '@/composables/useUnsavedWorkRegistration'
import { useAccessPreviewStore } from '@/stores/accessPreview'
import type { Permission, Role } from '@/types/admin'
import { buildPermissionTree, summarizePermissionSelection } from '@/utils/permissionTree'
import { mapPlatformPermission } from '@/utils/platformPermission'

interface TreeController {
  getCheckedKeys: (leafOnly?: boolean) => Array<string | number>
  getHalfCheckedKeys: () => Array<string | number>
  setCheckedKeys: (keys: string[]) => void
}

const access = useAccessPreviewStore()
const editorOpen = ref(false)
const treeRef = ref<TreeController | null>(null)
const serverRoles = ref<Role[]>([])
const serverPermissions = ref<Permission[]>([])
const assignedMemberCount = ref(0)
const loading = ref(false)
const saving = ref(false)
const rowActionId = ref('')
const loadError = ref<ApiErrorDetails | null>(null)
const filters = reactive({ keyword: '', status: '', dataScope: '' })
const emptyForm = (): Omit<Role, 'userCount'> => ({ id: '', name: '', code: '', description: '', dataScope: '本部门数据', status: '启用', permissionIds: [], builtIn: false })
const form = reactive(emptyForm())
const editorLabel = computed(() => form.id ? '配置角色' : '新增角色')
const canEdit = computed(() => access.can('platform:role:edit'))
const canGrant = computed(() => access.can('platform:role:grant'))
const requiredPermission = computed(() => form.id && canEdit.value ? 'platform:role:edit' : form.id ? 'platform:role:grant' : 'platform:role:create')
const { captureBaseline } = useUnsavedWorkRegistration({
  key: 'role-editor',
  label: editorLabel,
  isOpen: editorOpen,
  model: form,
  requiredPermission,
})
const roles = computed(() => serverRoles.value)
const canCreate = computed(() => access.can('platform:role:create'))
const filteredRows = computed(() => roles.value.filter((item) => {
  const keyword = filters.keyword.trim().toLowerCase()
  return (!keyword || [item.name, item.code, item.description].some((value) => value.toLowerCase().includes(keyword))) && (!filters.status || item.status === filters.status) && (!filters.dataScope || item.dataScope === filters.dataScope)
}))
const metrics = computed(() => [
  { label: '角色总数', value: roles.value.length, note: 'IAM 返回的角色' },
  { label: '启用角色', value: roles.value.filter((item) => item.status === '启用').length, note: '当前可分配' },
  { label: '授权用户', value: assignedMemberCount.value, note: '已分配角色成员' },
  { label: '权限资源', value: serverPermissions.value.length, note: '菜单与按钮' },
])
const availablePermissions = computed(() => serverPermissions.value)
const permissionTree = computed(() => buildPermissionTree(availablePermissions.value))

watch(() => form.dataScope, () => undefined)

function resetFilters() { Object.assign(filters, { keyword: '', status: '', dataScope: '' }) }

function mapPlatformRole(role: PlatformRoleResource, userCount = 0): Role {
  return {
    id: String(role.id),
    name: role.roleName,
    code: role.roleCode,
    description: role.description ?? '暂无角色说明',
    userCount,
    dataScope: '全部数据',
    status: role.status === 'ACTIVE' ? '启用' : '停用',
    permissionIds: (role.permissionIds ?? []).map(String),
    builtIn: role.roleType === 'SYSTEM',
  }
}

async function loadRoles() {
  loading.value = true
  loadError.value = null
  serverRoles.value = []
  serverPermissions.value = []
  assignedMemberCount.value = 0
  try {
    const [roleRecords, permissionRecords, memberRecords] = await Promise.all([
      listPlatformRoles(),
      listPlatformPermissions(),
      listPlatformInternalUsers(),
    ])
    const roleMemberCounts = new Map<string, number>()
    for (const member of memberRecords) {
      for (const roleId of member.roleIds) {
        const key = String(roleId)
        roleMemberCounts.set(key, (roleMemberCounts.get(key) ?? 0) + 1)
      }
    }
    serverPermissions.value = permissionRecords.map(mapPlatformPermission)
    serverRoles.value = roleRecords.map((role) => mapPlatformRole(role, roleMemberCounts.get(String(role.id)) ?? 0))
    assignedMemberCount.value = memberRecords.filter((member) => member.roleIds.length > 0).length
  } catch (error) {
    loadError.value = getApiErrorDetails(error, '平台角色列表加载失败，请稍后重试')
  } finally {
    loading.value = false
  }
}

function openCreate() {
  Object.assign(form, emptyForm())
  captureBaseline()
  editorOpen.value = true
  nextTick(() => treeRef.value?.setCheckedKeys([]))
}
function openEdit(row: Role) {
  if (!canEdit.value && !canGrant.value) return
  Object.assign(form, { ...row, permissionIds: [...row.permissionIds] })
  captureBaseline()
  editorOpen.value = true
  nextTick(() => treeRef.value?.setCheckedKeys([...row.permissionIds]))
}

function selectedPermissionIds() {
  const checked = treeRef.value?.getCheckedKeys(false).map(String) || []
  const halfChecked = treeRef.value?.getHalfCheckedKeys().map(String) || []
  return [...new Set([...checked, ...halfChecked])]
}

function syncPermissionIds() {
  form.permissionIds = selectedPermissionIds()
}

async function saveRole() {
  if (!form.name.trim() || !form.code.trim()) { ElMessage.warning('请填写角色名称和角色编码'); return }
  const normalizedCode = form.code.trim().toUpperCase()
  const duplicate = roles.value.some((item) => item.code.toLowerCase() === normalizedCode.toLowerCase() && item.id !== form.id)
  if (duplicate) { ElMessage.error('角色编码已经存在'); return }
  saving.value = true
  try {
      const permissionIds = selectedPermissionIds()
      if (form.id) {
        if (canEdit.value) {
          await updatePlatformRole(form.id, { roleName: form.name.trim(), description: form.description.trim() })
        }
        if (canGrant.value) await replacePlatformRolePermissions(form.id, permissionIds)
      } else {
        const created = await createPlatformRole({
          roleCode: normalizedCode,
          roleName: form.name.trim(),
          description: form.description.trim(),
        })
        if (canGrant.value && permissionIds.length > 0) await replacePlatformRolePermissions(created.id, permissionIds)
      }
      await loadRoles()
      editorOpen.value = false
      ElMessage.success(form.id ? '角色已更新' : '角色已创建')
  } catch (error) {
    ElMessage.error(getApiErrorMessage(error, '角色保存失败，请稍后重试'))
  } finally {
    saving.value = false
  }
}

async function removeRole(row: Role) {
  if (row.builtIn) { ElMessage.warning('系统内置角色不能删除'); return }
  if (row.userCount > 0) { ElMessage.warning('请先移除该角色下的用户'); return }
  try {
    await ElMessageBox.confirm(`确认删除角色“${row.name}”吗？`, '删除角色', { confirmButtonText: '删除', cancelButtonText: '取消', type: 'warning' })
    rowActionId.value = row.id
    await deletePlatformRole(row.id)
    serverRoles.value = serverRoles.value.filter((item) => item.id !== row.id)
    ElMessage.success('角色已删除')
  } catch (error) {
    if (error === 'cancel' || error === 'close') return
    ElMessage.error(getApiErrorMessage(error, '角色删除失败，请稍后重试'))
  } finally {
    rowActionId.value = ''
  }
}

async function toggleStatus(row: Role) {
  if (row.builtIn) { ElMessage.warning('系统内置角色不能停用'); return }
  const target = row.status === '启用' ? '停用' : '启用'
  try {
    await ElMessageBox.confirm(`确认${target}角色“${row.name}”吗？`, '角色状态', { confirmButtonText: '确认', cancelButtonText: '取消' })
    rowActionId.value = row.id
    const updated = await changePlatformRoleStatus(row.id, target === '启用' ? 'ACTIVE' : 'DISABLED')
    Object.assign(row, mapPlatformRole(updated))
    ElMessage.success(`角色已${target}`)
  } catch (error) {
    if (error === 'cancel' || error === 'close') return
    ElMessage.error(getApiErrorMessage(error, '角色状态更新失败，请稍后重试'))
  } finally {
    rowActionId.value = ''
  }
}

function permissionSummary(row: Role) {
  const { menuCount, actionCount } = summarizePermissionSelection(availablePermissions.value, row.permissionIds)
  return `${menuCount} 菜单 · ${actionCount} 操作`
}

onMounted(loadRoles)
</script>

<template>
  <div class="business-page">
    <MetricStrip :items="metrics" />
    <el-alert type="success" :closable="false" show-icon title="角色查询、新增、编辑、启停、删除及权限分配均使用 IAM 真实接口；系统内置角色继续由服务端保护。" />
    <el-alert v-if="loadError" type="error" :closable="false" show-icon role="alert"><template #title><div class="api-error-alert-title"><span>{{ loadError.message }}</span><ApiErrorMeta :details="loadError" /></div><el-button link type="danger" @click="loadRoles">重新加载</el-button></template></el-alert>
    <section class="surface-panel filter-panel" aria-label="角色筛选">
      <div class="filter-fields"><el-input v-model="filters.keyword" clearable placeholder="角色名称、编码或描述" aria-label="角色关键词"><template #prefix><Search :size="16" /></template></el-input><el-select v-model="filters.status" clearable placeholder="全部状态" aria-label="角色状态"><el-option label="启用" value="启用" /><el-option label="停用" value="停用" /></el-select></div>
      <div class="filter-actions"><el-button @click="resetFilters"><RotateCcw :size="16" />重置</el-button><el-button v-if="canCreate" type="primary" @click="openCreate"><Plus :size="16" />新增角色</el-button></div>
    </section>

    <section class="surface-panel table-panel">
      <header class="panel-heading"><div><h2>角色与授权</h2><p>角色负责聚合菜单、操作和数据范围，内部用户可分配多个角色。</p></div></header>
      <el-table v-loading="loading" :data="filteredRows" row-key="id" empty-text="没有符合条件的角色">
        <el-table-column label="操作" width="235" fixed="left"><template #default="{ row }"><div v-if="canEdit || canGrant || access.can('platform:role:status') || access.can('platform:role:delete')" class="table-actions"><el-button v-if="canEdit || canGrant" link type="primary" :disabled="rowActionId === row.id || row.builtIn" @click="openEdit(row as Role)"><Pencil :size="15" />配置</el-button><el-button v-if="access.can('platform:role:status')" link :type="row.status === '启用' ? 'danger' : 'success'" :loading="rowActionId === row.id" :disabled="row.builtIn" @click="toggleStatus(row as Role)">{{ row.status === '启用' ? '停用' : '启用' }}</el-button><el-button v-if="access.can('platform:role:delete')" link type="danger" :disabled="row.builtIn || row.userCount > 0 || rowActionId === row.id" @click="removeRole(row as Role)"><Trash2 :size="15" />删除</el-button></div><span v-else class="secondary-text">仅查看</span></template></el-table-column>
        <el-table-column label="角色" min-width="210"><template #default="{ row }"><div class="role-cell"><span><ShieldCheck :size="18" /></span><div><strong>{{ row.name }}</strong><small>{{ row.code }}</small></div></div></template></el-table-column>
        <el-table-column prop="description" label="说明" min-width="240" show-overflow-tooltip />
        <el-table-column label="授权范围" min-width="170"><template #default="{ row }"><div class="primary-cell"><strong>{{ permissionSummary(row as Role) }}</strong><span>平台 IAM 权限</span></div></template></el-table-column>
        <el-table-column prop="userCount" label="用户数" width="86" align="right" />
        <el-table-column label="类型" width="95"><template #default="{ row }"><el-tag :type="row.builtIn ? 'warning' : 'info'" effect="plain" size="small">{{ row.builtIn ? '系统内置' : '自定义' }}</el-tag></template></el-table-column>
        <el-table-column label="状态" width="88"><template #default="{ row }"><StatusBadge :status="row.status" /></template></el-table-column>
      </el-table>
    </section>

    <el-drawer v-model="editorOpen" :title="form.id ? '配置角色' : '新增角色'" size="760px" class="business-drawer editor-drawer" :modal="false" :close-on-click-modal="false">
      <el-form label-position="top" class="drawer-form">
        <div class="form-section"><h3>基本信息</h3><div class="form-grid two-cols"><el-form-item label="角色名称" required><el-input v-model="form.name" :disabled="Boolean(form.id) && !canEdit" maxlength="64" /></el-form-item><el-form-item label="角色编码" required><el-input v-model="form.code" :disabled="Boolean(form.id)" placeholder="如 OPS_MANAGER" maxlength="64" /></el-form-item></div><el-form-item label="角色说明"><el-input v-model="form.description" :disabled="Boolean(form.id) && !canEdit" type="textarea" :rows="2" maxlength="200" show-word-limit /></el-form-item></div>
        <div v-if="canGrant" class="form-section permission-section"><div class="section-heading-row"><div><h3>菜单与操作权限</h3><p>保存时按后端契约全量替换当前角色权限；未勾选表示清空授权。</p></div><span>{{ form.permissionIds.length }} 项原有授权</span></div><el-tree ref="treeRef" class="permission-tree" :data="permissionTree" node-key="id" show-checkbox check-strictly default-expand-all :props="{ label: 'name', children: 'children' }" @check="syncPermissionIds"><template #default="{ data }"><div class="permission-node"><span>{{ data.name }}</span><code>{{ data.code }}</code></div></template></el-tree></div>
      </el-form>
      <template #footer><div class="drawer-footer"><el-button :disabled="saving" @click="editorOpen = false">取消</el-button><el-button v-if="form.id ? canEdit || canGrant : canCreate" type="primary" :loading="saving" @click="saveRole">保存角色</el-button></div></template>
    </el-drawer>
  </div>
</template>