Files
ai-scoring-application/lib/utils/pdf-generator.ts

270 lines
8.5 KiB
TypeScript

import jsPDF from 'jspdf';
import 'jspdf-autotable';
import html2canvas from 'html2canvas';
export interface PDFReportData {
projectTitle: string;
overallScore: number;
totalPossible: number;
grade: string;
analysisDate: string;
criteria: Array<{
name: string;
score: number;
maxScore: number;
weight: number;
weightedScore: number;
percentage: number;
feedback: string;
strengths: string[];
improvements: string[];
}>;
overview: {
excellentItems: number;
improvementItems: number;
overallPerformance: number;
};
improvementSuggestions: {
overallSuggestions: string;
maintainStrengths: Array<{
title: string;
description: string;
}>;
keyImprovements: Array<{
title: string;
subtitle?: string;
description?: string;
suggestions: string[];
}>;
actionPlan: Array<{
phase: string;
description: string;
}>;
};
}
export class PDFReportGenerator {
private doc: jsPDF;
private currentY: number = 20;
private pageHeight: number = 280;
private margin: number = 20;
constructor() {
this.doc = new jsPDF('p', 'mm', 'a4');
// 設置支援中文的默認字體
this.doc.setFont('helvetica');
}
private addNewPageIfNeeded(requiredSpace: number = 20): void {
if (this.currentY + requiredSpace > this.pageHeight) {
this.doc.addPage();
this.currentY = 20;
}
}
private addTitle(text: string, fontSize: number = 16, isBold: boolean = true): void {
this.addNewPageIfNeeded(10);
this.doc.setFontSize(fontSize);
this.doc.setFont('helvetica', isBold ? 'bold' : 'normal');
this.doc.text(text, this.margin, this.currentY);
this.currentY += fontSize + 5;
}
private addSubtitle(text: string, fontSize: number = 12): void {
this.addNewPageIfNeeded(8);
this.doc.setFontSize(fontSize);
this.doc.setFont('helvetica', 'bold');
this.doc.text(text, this.margin, this.currentY);
this.currentY += fontSize + 3;
}
private addText(text: string, fontSize: number = 10, isBold: boolean = false): void {
this.addNewPageIfNeeded(6);
this.doc.setFontSize(fontSize);
this.doc.setFont('helvetica', isBold ? 'bold' : 'normal');
// 處理長文本換行
const maxWidth = 170; // A4 寬度減去邊距
const lines = this.doc.splitTextToSize(text, maxWidth);
for (const line of lines) {
this.addNewPageIfNeeded(6);
this.doc.text(line, this.margin, this.currentY);
this.currentY += 6;
}
}
private addBulletList(items: string[], fontSize: number = 10): void {
for (const item of items) {
this.addNewPageIfNeeded(6);
this.doc.setFontSize(fontSize);
this.doc.setFont('helvetica', 'normal');
this.doc.text(`${item}`, this.margin + 5, this.currentY);
this.currentY += 6;
}
}
private addScoreBox(score: number, total: number, grade: string): void {
this.addNewPageIfNeeded(25);
// 繪製分數框
this.doc.setFillColor(240, 240, 240);
this.doc.rect(this.margin, this.currentY, 50, 20, 'F');
// 分數文字
this.doc.setFontSize(18);
this.doc.setFont('helvetica', 'bold');
this.doc.text(`${score}/${total}`, this.margin + 5, this.currentY + 12);
// 等級
this.doc.setFontSize(12);
this.doc.text(grade, this.margin + 5, this.currentY + 18);
this.currentY += 25;
}
private addCriteriaTable(criteria: PDFReportData['criteria']): void {
this.addNewPageIfNeeded(30);
// 表頭
this.doc.setFontSize(10);
this.doc.setFont('helvetica', 'bold');
this.doc.text('評分項目', this.margin, this.currentY);
this.doc.text('得分', this.margin + 100, this.currentY);
this.doc.text('權重', this.margin + 130, this.currentY);
this.doc.text('加權分', this.margin + 150, this.currentY);
this.currentY += 8;
// 分隔線
this.doc.line(this.margin, this.currentY, this.margin + 170, this.currentY);
this.currentY += 5;
// 數據行
for (const item of criteria) {
this.addNewPageIfNeeded(15);
this.doc.setFont('helvetica', 'normal');
this.doc.text(item.name, this.margin, this.currentY);
this.doc.text(`${item.score}/${item.maxScore}`, this.margin + 100, this.currentY);
this.doc.text(`${item.weight}%`, this.margin + 130, this.currentY);
this.doc.text(item.weightedScore.toFixed(1), this.margin + 150, this.currentY);
this.currentY += 6;
}
this.currentY += 10;
}
public generateReport(data: PDFReportData): Promise<Blob> {
return new Promise((resolve, reject) => {
try {
// 標題頁
this.addTitle('AI 智能評審報告', 20);
this.addText(`專案名稱:${data.projectTitle}`, 12, true);
this.addText(`分析日期:${data.analysisDate}`, 12);
this.currentY += 10;
// 總分顯示
this.addSubtitle('總評結果');
this.addScoreBox(data.overallScore, data.totalPossible, data.grade);
// 統計概覽
this.addSubtitle('統計概覽');
this.addText(`優秀項目:${data.overview.excellentItems}`);
this.addText(`待改進項目:${data.overview.improvementItems}`);
this.addText(`整體表現:${data.overview.overallPerformance}%`);
this.currentY += 10;
// 評分明細
this.addSubtitle('評分明細');
this.addCriteriaTable(data.criteria);
// 詳細分析
this.addSubtitle('詳細分析');
for (const item of data.criteria) {
this.addNewPageIfNeeded(20);
this.doc.setFontSize(11);
this.doc.setFont('helvetica', 'bold');
this.doc.text(item.name, this.margin, this.currentY);
this.currentY += 8;
this.addText(`得分:${item.score}/${item.maxScore} (${item.percentage.toFixed(1)}%)`, 10);
this.addText(`AI 評語:${item.feedback}`, 10);
if (item.strengths.length > 0) {
this.addText('優點:', 10, true);
this.addBulletList(item.strengths, 9);
}
if (item.improvements.length > 0) {
this.addText('改進建議:', 10, true);
this.addBulletList(item.improvements, 9);
}
this.currentY += 10;
}
// 改進建議
this.addSubtitle('整體改進建議');
this.addText(data.improvementSuggestions.overallSuggestions, 10);
this.currentY += 10;
// 保持的優勢
if (data.improvementSuggestions.maintainStrengths.length > 0) {
this.addSubtitle('繼續保持的優勢');
for (const strength of data.improvementSuggestions.maintainStrengths) {
this.addText(strength.title, 10, true);
this.addText(strength.description, 9);
this.currentY += 5;
}
}
// 重點改進方向
if (data.improvementSuggestions.keyImprovements.length > 0) {
this.addSubtitle('重點改進方向');
for (const improvement of data.improvementSuggestions.keyImprovements) {
this.addText(improvement.title, 10, true);
if (improvement.description) {
this.addText(improvement.description, 9);
}
if (improvement.suggestions.length > 0) {
this.addBulletList(improvement.suggestions, 9);
}
this.currentY += 5;
}
}
// 行動計劃
if (data.improvementSuggestions.actionPlan.length > 0) {
this.addSubtitle('下一步行動計劃');
for (let i = 0; i < data.improvementSuggestions.actionPlan.length; i++) {
const action = data.improvementSuggestions.actionPlan[i];
this.addText(`${i + 1}. ${action.phase}`, 10, true);
this.addText(action.description, 9);
this.currentY += 5;
}
}
// 頁腳
this.doc.setFontSize(8);
this.doc.setFont('helvetica', 'normal');
this.doc.text('本報告由 AI 智能評審系統生成', this.margin, this.pageHeight - 10);
this.doc.text(`生成時間:${new Date().toLocaleString('zh-TW')}`, this.margin + 100, this.pageHeight - 10);
// 生成 PDF Blob
const pdfBlob = this.doc.output('blob');
resolve(pdfBlob);
} catch (error) {
reject(error);
}
});
}
}
// 便捷函數
export async function generatePDFReport(data: PDFReportData): Promise<Blob> {
const generator = new PDFReportGenerator();
return generator.generateReport(data);
}