實作完整分享、刪除、下載報告功能
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236
app/api/evaluation/[id]/download/route.ts
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236
app/api/evaluation/[id]/download/route.ts
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import { NextRequest, NextResponse } from 'next/server';
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import { EvaluationService } from '@/lib/services/database';
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import { generateHTMLPDFReport, type PDFReportData } from '@/lib/utils/html-pdf-generator';
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export async function GET(
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request: NextRequest,
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{ params }: { params: { id: string } }
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) {
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try {
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const evaluationId = parseInt(params.id);
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if (isNaN(evaluationId)) {
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return NextResponse.json(
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{ success: false, error: '無效的評審ID' },
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{ status: 400 }
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);
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}
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console.log(`📄 開始生成 PDF 報告: ID=${evaluationId}`);
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// 獲取評審詳細數據
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const evaluationWithDetails = await EvaluationService.findWithDetails(evaluationId);
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if (!evaluationWithDetails) {
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return NextResponse.json(
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{ success: false, error: '找不到指定的評審記錄' },
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{ status: 404 }
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);
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}
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console.log(`✅ 成功獲取評審數據: 專案=${evaluationWithDetails.project?.title}`);
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// 處理反饋數據，按類型分組
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const feedbackByType = {
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criteria: evaluationWithDetails.feedback?.filter(f => f.feedback_type === 'criteria') || [],
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strength: evaluationWithDetails.feedback?.filter(f => f.feedback_type === 'strength') || [],
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improvement: evaluationWithDetails.feedback?.filter(f => f.feedback_type === 'improvement') || [],
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overall: evaluationWithDetails.feedback?.filter(f => f.feedback_type === 'overall') || []
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};
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// 為每個評分標準獲取對應的 AI 評語、優點和改進建議
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const criteriaWithFeedback = evaluationWithDetails.scores?.map(score => {
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const criteriaId = score.criteria_item_id;
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const criteriaName = score.criteria_item_name || '未知項目';
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// 獲取該評分標準的 AI 評語
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const criteriaFeedback = feedbackByType.criteria
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.filter(f => f.criteria_item_id === criteriaId)
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.map(f => f.content)
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.filter((content, index, arr) => arr.indexOf(content) === index)[0] || '無評語';
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// 獲取該評分標準的優點
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const strengths = feedbackByType.strength
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.filter(f => f.criteria_item_id === criteriaId)
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.map(f => f.content)
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.filter((content, index, arr) => arr.indexOf(content) === index);
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// 獲取該評分標準的改進建議
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const improvements = feedbackByType.improvement
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.filter(f => f.criteria_item_id === criteriaId)
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.map(f => f.content)
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.filter((content, index, arr) => arr.indexOf(content) === index);
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return {
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name: criteriaName,
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score: Number(score.score) || 0,
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maxScore: Number(score.max_score) || 10,
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weight: Number(score.weight) || 1,
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weightedScore: Number(score.weighted_score) || 0,
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percentage: Number(score.percentage) || 0,
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feedback: criteriaFeedback,
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strengths: strengths,
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improvements: improvements
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};
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}) || [];
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// 構建 PDF 報告數據
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const pdfData: PDFReportData = {
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projectTitle: evaluationWithDetails.project?.title || '未知專案',
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overallScore: Number(evaluationWithDetails.overall_score) || 0,
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totalPossible: Number(evaluationWithDetails.max_possible_score) || 100,
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grade: evaluationWithDetails.grade || 'N/A',
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analysisDate: evaluationWithDetails.created_at ? new Date(evaluationWithDetails.created_at).toISOString().split('T')[0] : new Date().toISOString().split('T')[0],
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criteria: criteriaWithFeedback,
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overview: {
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excellentItems: evaluationWithDetails.excellent_items || 0,
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improvementItems: evaluationWithDetails.improvement_items || 0,
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overallPerformance: Number(evaluationWithDetails.overall_score) || 0
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},
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improvementSuggestions: {
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overallSuggestions: feedbackByType.overall[0]?.content || '無詳細分析',
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maintainStrengths: feedbackByType.strength
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.filter(f => f.criteria_item_id === null)
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.map(f => {
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const content = f.content || '無描述';
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const colonIndex = content.indexOf(':');
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const title = colonIndex > -1 ? content.substring(0, colonIndex + 1) : '系統優勢:';
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const description = colonIndex > -1 ? content.substring(colonIndex + 1).trim() : content;
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return {
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title: title,
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description: description
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};
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}),
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keyImprovements: (() => {
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const allImprovementData = feedbackByType.improvement
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.filter(f => f.criteria_item_id === null);
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const improvementData = allImprovementData.length >= 5
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? allImprovementData.slice(1, -3)
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: allImprovementData;
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const tempGroups = [];
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let currentGroup = null;
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for (const item of improvementData) {
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const content = item.content || '';
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const colonIndex = content.indexOf(':');
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if (colonIndex > -1) {
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const title = content.substring(0, colonIndex + 1);
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const remainingContent = content.substring(colonIndex + 1).trim();
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const suggestionIndex = remainingContent.indexOf('建議：');
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if (suggestionIndex > -1) {
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if (currentGroup) {
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tempGroups.push(currentGroup);
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}
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currentGroup = {
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title: title,
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subtitle: '建議：',
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suggestions: []
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};
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const suggestionsText = remainingContent.substring(suggestionIndex + 3).trim();
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const suggestions = suggestionsText.split('\n')
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.map(s => s.trim())
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.filter(s => s.startsWith('•'))
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.map(s => s.substring(1).trim());
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currentGroup.suggestions = suggestions;
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} else if (remainingContent.startsWith('•')) {
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if (currentGroup) {
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const suggestion = remainingContent.substring(1).trim();
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currentGroup.suggestions.push(suggestion);
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}
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} else {
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if (currentGroup) {
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tempGroups.push(currentGroup);
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}
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currentGroup = {
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title: title,
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subtitle: '',
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suggestions: [remainingContent]
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};
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}
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} else {
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if (currentGroup) {
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tempGroups.push(currentGroup);
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}
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if (content.startsWith('•')) {
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if (currentGroup) {
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const suggestion = content.substring(1).trim();
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currentGroup.suggestions.push(suggestion);
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} else {
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currentGroup = {
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title: '改進方向:',
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subtitle: '',
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suggestions: [content.substring(1).trim()]
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};
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}
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} else {
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currentGroup = {
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title: '改進方向:',
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subtitle: '',
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description: content,
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suggestions: []
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};
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}
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}
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}
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if (currentGroup) {
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tempGroups.push(currentGroup);
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}
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return tempGroups;
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})(),
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actionPlan: feedbackByType.improvement
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.filter(f => f.criteria_item_id === null)
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.slice(-3)
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.map((f, index) => {
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const content = f.content || '無描述';
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const colonIndex = content.indexOf(':');
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const phase = colonIndex > -1 ? content.substring(0, colonIndex + 1) : `階段 ${index + 1}:`;
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const description = colonIndex > -1 ? content.substring(colonIndex + 1).trim() : content;
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return {
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phase: phase,
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description: description
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};
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})
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}
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};
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console.log(`📋 開始生成 PDF 報告: 專案=${pdfData.projectTitle}`);
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// 生成 PDF
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const pdfBlob = await generateHTMLPDFReport(pdfData);
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console.log(`✅ PDF 報告生成完成: 大小=${pdfBlob.size} bytes`);
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// 返回 PDF 文件
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const fileName = `評審報告_${pdfData.projectTitle}_${pdfData.analysisDate}.pdf`;
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return new NextResponse(pdfBlob, {
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status: 200,
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headers: {
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'Content-Type': 'application/pdf',
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'Content-Disposition': `attachment; filename="${encodeURIComponent(fileName)}"`,
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'Content-Length': pdfBlob.size.toString(),
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},
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});
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} catch (error) {
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console.error('❌ 生成 PDF 報告失敗:', error);
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return NextResponse.json(
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{ success: false, error: '生成 PDF 報告失敗' },
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{ status: 500 }
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);
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}
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}
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