0.0.4.0

app/api/trees/[treeId]/relationship/route.ts

@@ -0,0 +1,66 @@
+import { NextRequest, NextResponse } from 'next/server'
+import { prisma } from '@/lib/prisma'
+import { RelationshipCalculator } from '@/lib/relationship-calculator'
+
+/**
+ * 计算两个成员之间的关系
+ * GET /api/trees/[treeId]/relationship?from=xxx&to=yyy
+ */
+export async function GET(
+  request: NextRequest,
+  { params }: { params: { treeId: string } }
+) {
+  try {
+    const { searchParams } = new URL(request.url)
+    const fromId = searchParams.get('from')
+    const toId = searchParams.get('to')
+
+    if (!fromId || !toId) {
+      return NextResponse.json(
+        { error: '缺少参数：from 和 to' },
+        { status: 400 }
+      )
+    }
+
+    // 获取家族树的所有成员
+    const members = await prisma.familyMember.findMany({
+      where: { treeId: params.treeId }
+    })
+
+    if (members.length === 0) {
+      return NextResponse.json(
+        { error: '家族树不存在或没有成员' },
+        { status: 404 }
+      )
+    }
+
+    // 计算关系
+    const calculator = new RelationshipCalculator(members as any)
+    const result = calculator.getRelationshipDetail(fromId, toId)
+
+    // 获取成员信息
+    const fromMember = members.find(m => m.id === fromId)
+    const toMember = members.find(m => m.id === toId)
+
+    return NextResponse.json({
+      from: {
+        id: fromMember?.id,
+        name: fromMember?.fullName
+      },
+      to: {
+        id: toMember?.id,
+        name: toMember?.fullName
+      },
+      relationship: result.term,
+      path: result.path,
+      description: result.description,
+      success: result.success
+    })
+  } catch (error) {
+    console.error('计算关系失败:', error)
+    return NextResponse.json(
+      { error: '计算关系失败' },
+      { status: 500 }
+    )
+  }
+}