feat(network): draw.io XML import

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
2026-04-14 01:30:22 +00:00
parent 2a4220b496
commit 91cc9a4170
4 changed files with 240 additions and 1 deletions
--- a/frontend/src/lib/drawio-import.ts
+++ b/frontend/src/lib/drawio-import.ts
@@ -0,0 +1,142 @@
+import type { DiagramNode, DiagramEdge } from '@/types/network-diagram'
+
+// Maps draw.io shape identifiers (substrings of style) → our device slugs
+const DRAWIO_SHAPE_TO_SLUG: Array<[string, string]> = [
+  ['cisco.routers.router',                     'router'],
+  ['cisco.routers',                             'router'],
+  ['cisco.switches.layer_3_switch',             'switch'],
+  ['cisco.switches.workgroup_switch',           'switch'],
+  ['cisco.switches',                            'switch'],
+  ['cisco.firewalls',                           'firewall'],
+  ['cisco.servers',                             'server'],
+  ['cisco.computers_and_peripherals.laptop',    'laptop'],
+  ['cisco.computers_and_peripherals.ip_phone',  'phone'],
+  ['cisco.computers_and_peripherals.pc',        'workstation'],
+  ['cisco.computers_and_peripherals.printer',   'printer'],
+  ['cisco.misc.access_point',                  'access-point'],
+  ['cisco.misc.cloud',                         'cloud'],
+  ['cisco.storage',                             'nas'],
+  ['shape=router',                             'router'],
+  ['shape=server',                             'server'],
+  ['shape=firewall',                           'firewall'],
+  ['shape=cloud',                              'cloud'],
+]
+
+function styleToSlug(style: string): string {
+  const lower = style.toLowerCase()
+  for (const [pattern, slug] of DRAWIO_SHAPE_TO_SLUG) {
+    if (lower.includes(pattern)) return slug
+  }
+  return 'server'
+}
+
+function isGroup(style: string): boolean {
+  return style.includes('swimlane') || style.includes('container') || style.includes('group')
+}
+
+export interface DrawioImportResult {
+  nodes: DiagramNode[]
+  edges: DiagramEdge[]
+  warnings: string[]
+}
+
+export function parseDrawioXml(xmlString: string): DrawioImportResult {
+  const parser = new DOMParser()
+  const doc = parser.parseFromString(xmlString, 'application/xml')
+
+  const parseError = doc.querySelector('parsererror')
+  if (parseError) {
+    throw new Error('Invalid draw.io XML: ' + parseError.textContent?.slice(0, 200))
+  }
+
+  const cells = Array.from(doc.querySelectorAll('mxCell'))
+  const warnings: string[] = []
+  const nodes: DiagramNode[] = []
+  const edges: DiagramEdge[] = []
+
+  const geoMap = new Map<string, { x: number; y: number; width: number; height: number }>()
+  for (const cell of cells) {
+    const geo = cell.querySelector('mxGeometry')
+    if (geo) {
+      geoMap.set(cell.getAttribute('id') ?? '', {
+        x: parseFloat(geo.getAttribute('x') ?? '0'),
+        y: parseFloat(geo.getAttribute('y') ?? '0'),
+        width: parseFloat(geo.getAttribute('width') ?? '120'),
+        height: parseFloat(geo.getAttribute('height') ?? '120'),
+      })
+    }
+  }
+
+  const groupIds = new Set<string>()
+
+  for (const cell of cells) {
+    const id = cell.getAttribute('id') ?? ''
+    if (id === '0' || id === '1') continue
+
+    const isEdge = cell.getAttribute('edge') === '1'
+    const isVertex = cell.getAttribute('vertex') === '1'
+    const style = cell.getAttribute('style') ?? ''
+    const value = cell.getAttribute('value') ?? ''
+    const parent = cell.getAttribute('parent') ?? '1'
+    const geo = geoMap.get(id)
+
+    if (isEdge) {
+      const source = cell.getAttribute('source') ?? ''
+      const target = cell.getAttribute('target') ?? ''
+      if (!source || !target) {
+        warnings.push(`Edge "${id}" skipped — missing source or target`)
+        continue
+      }
+      edges.push({
+        id,
+        source,
+        target,
+        label: value || null,
+        connectionType: 'ethernet',
+        speed: null,
+        notes: null,
+        routing: null,
+      })
+      continue
+    }
+
+    if (isVertex && geo) {
+      if (isGroup(style)) {
+        groupIds.add(id)
+        nodes.push({
+          id,
+          type: 'subnet',
+          label: value || 'Group',
+          position: { x: geo.x, y: geo.y },
+          properties: {
+            hostname: null, ip: null, subnet: null, vendor: null,
+            model: null, role: null, vlan: null, notes: null, status: 'unknown',
+          },
+          nodeType: 'group',
+          style: { width: geo.width, height: geo.height },
+        })
+      } else {
+        const slug = styleToSlug(style)
+        const parentId = parent !== '1' && groupIds.has(parent) ? parent : undefined
+        nodes.push({
+          id,
+          type: slug,
+          label: value || slug,
+          position: { x: geo.x, y: geo.y },
+          properties: {
+            hostname: null, ip: null, subnet: null, vendor: null,
+            model: null, role: null, vlan: null, notes: null, status: 'unknown',
+          },
+          ...(parentId ? { parentId } : {}),
+          style: { width: geo.width, height: geo.height },
+        })
+      }
+    }
+  }
+
+  if (nodes.length === 0) {
+    warnings.push('No nodes were found in this draw.io file. Only basic shapes and Cisco stencil shapes are supported.')
+  }
+
+  return { nodes, edges, warnings }
+}