first-update

easy-dataset-main/app/api/projects/[projectId]/questions/templates/[templateId]/route.js

@@ -0,0 +1,110 @@
+import { NextResponse } from 'next/server';
+import templateDb from '@/lib/db/questionTemplates';
+import { generateQuestionsFromTemplateEdit } from '@/lib/services/questions/template';
+
+// 获取单个模板
+export async function GET(request, { params }) {
+  try {
+    const { templateId } = params;
+
+    const template = await templateDb.getTemplateById(templateId);
+
+    if (!template) {
+      return NextResponse.json({ error: '模板不存在' }, { status: 404 });
+    }
+
+    // 获取使用统计
+    const usageCount = await templateDb.getTemplateUsageCount(templateId);
+
+    return NextResponse.json({
+      success: true,
+      template: {
+        ...template,
+        usageCount
+      }
+    });
+  } catch (error) {
+    console.error('Failed to get template:', error);
+    return NextResponse.json({ error: error.message || 'Failed to get template' }, { status: 500 });
+  }
+}
+
+// 更新问题模板
+export async function PUT(request, { params }) {
+  try {
+    const { projectId, templateId } = params;
+    const data = await request.json();
+
+    const { question, sourceType, answerType, description, labels, customFormat, order, autoGenerate } = data;
+
+    // 验证数据源类型
+    if (sourceType && !['image', 'text'].includes(sourceType)) {
+      return NextResponse.json({ error: '无效的数据源类型' }, { status: 400 });
+    }
+
+    // 验证答案类型
+    if (answerType && !['text', 'label', 'custom_format'].includes(answerType)) {
+      return NextResponse.json({ error: '无效的答案类型' }, { status: 400 });
+    }
+
+    const updateData = {};
+    if (question !== undefined) updateData.question = question;
+    if (sourceType !== undefined) updateData.sourceType = sourceType;
+    if (answerType !== undefined) updateData.answerType = answerType;
+    if (description !== undefined) updateData.description = description;
+    if (labels !== undefined) updateData.labels = labels;
+    if (customFormat !== undefined) updateData.customFormat = customFormat;
+    if (order !== undefined) updateData.order = order;
+
+    const template = await templateDb.updateTemplate(templateId, updateData);
+
+    let generationResult = null;
+
+    // 如果启用自动生成，则为还未创建此模板问题的数据源创建问题
+    if (autoGenerate) {
+      try {
+        generationResult = await generateQuestionsFromTemplateEdit(projectId, template);
+      } catch (error) {
+        console.error('编辑模式自动生成问题失败:', error);
+        generationResult = {
+          success: false,
+          successCount: 0,
+          failCount: 0,
+          message: '自动生成问题时发生错误'
+        };
+      }
+    }
+
+    return NextResponse.json({
+      success: true,
+      template,
+      generation: generationResult
+    });
+  } catch (error) {
+    console.error('Failed to update template:', error);
+    return NextResponse.json({ error: error.message || 'Failed to update template' }, { status: 500 });
+  }
+}
+
+// 删除问题模板
+export async function DELETE(request, { params }) {
+  try {
+    const { templateId } = params;
+
+    // 检查是否有关联的问题
+    const usageCount = await templateDb.getTemplateUsageCount(templateId);
+    if (usageCount > 0) {
+      return NextResponse.json({ error: `此模板已被 ${usageCount} 个问题使用，无法删除` }, { status: 400 });
+    }
+
+    await templateDb.deleteTemplate(templateId);
+
+    return NextResponse.json({
+      success: true,
+      message: '模板删除成功'
+    });
+  } catch (error) {
+    console.error('Failed to delete template:', error);
+    return NextResponse.json({ error: error.message || 'Failed to delete template' }, { status: 500 });
+  }
+}