chore: 更新.gitignore并添加新文件

在.gitignore中添加对*.png、*.log、*-lock.json、*.woff2文件的忽略规则，并新增OFL.txt文件。同时，添加vue.svg图标文件以支持前端展示。更新多个TypeScript文件以优化代码格式和增强可读性。

src/bids/services/bid.service.ts

@@ -1,9 +1,36 @@
 import { Injectable } from '@nestjs/common';
 import { InjectRepository } from '@nestjs/typeorm';
-import { Repository, LessThan, MoreThanOrEqual } from 'typeorm';
+import { Repository, LessThan } from 'typeorm';
 import { BidItem } from '../entities/bid-item.entity';
 import { CrawlInfoAdd } from '../../crawler/entities/crawl-info-add.entity';
 
+interface FindAllQuery {
+  page?: number;
+  limit?: number;
+  source?: string;
+  keyword?: string;
+}
+
+interface SourceResult {
+  source: string;
+}
+
+interface CrawlInfoAddStats {
+  source: string;
+  count: number;
+  latestUpdate: Date | string;
+  latestPublishDate: Date | string | null;
+  error: string | null;
+}
+
+interface CrawlInfoAddRawResult {
+  source: string;
+  count: number;
+  latestPublishDate: Date | string | null;
+  error: string | null;
+  latestUpdate: Date | string;
+}
+
 @Injectable()
 export class BidsService {
   constructor(
@@ -13,7 +40,7 @@ export class BidsService {
     private crawlInfoRepository: Repository<CrawlInfoAdd>,
   ) {}
 
-  async findAll(query?: any) {
+  async findAll(query?: FindAllQuery) {
     const { page = 1, limit = 10, source, keyword } = query || {};
     const qb = this.bidRepository.createQueryBuilder('bid');
 
@@ -26,8 +53,8 @@ export class BidsService {
     }
 
     qb.orderBy('bid.publishDate', 'DESC')
-      .skip((page - 1) * limit)
-      .take(limit);
+      .skip((Number(page) - 1) * Number(limit))
+      .take(Number(limit));
 
     const [items, total] = await qb.getManyAndCount();
     return { items, total };
@@ -35,7 +62,9 @@ export class BidsService {
 
   async createOrUpdate(data: Partial<BidItem>) {
     // Use title or a hash of title to check for duplicates
-    let item = await this.bidRepository.findOne({ where: { title: data.title } });
+    const item = await this.bidRepository.findOne({
+      where: { title: data.title },
+    });
     if (item) {
       Object.assign(item, data);
       return this.bidRepository.save(item);
@@ -51,21 +80,21 @@ export class BidsService {
     });
   }
 
-  async getSources() {
+  async getSources(): Promise<string[]> {
     const result = await this.bidRepository
       .createQueryBuilder('bid')
-      .select('DISTINCT bid.source')
+      .select('DISTINCT bid.source', 'source')
       .where('bid.source IS NOT NULL')
       .orderBy('bid.source', 'ASC')
-      .getRawMany();
-    return result.map((item: any) => item.source);
+      .getRawMany<SourceResult>();
+    return result.map((item) => item.source);
   }
 
   async getRecentBids() {
     const thirtyDaysAgo = new Date();
     thirtyDaysAgo.setDate(thirtyDaysAgo.getDate() - 30);
     thirtyDaysAgo.setHours(0, 0, 0, 0);
-    
+
     return this.bidRepository
       .createQueryBuilder('bid')
       .where('bid.publishDate >= :thirtyDaysAgo', { thirtyDaysAgo })
@@ -81,7 +110,11 @@ export class BidsService {
       .getMany();
   }
 
-  async getBidsByDateRange(startDate?: string, endDate?: string, keywords?: string[]) {
+  async getBidsByDateRange(
+    startDate?: string,
+    endDate?: string,
+    keywords?: string[],
+  ) {
     const qb = this.bidRepository.createQueryBuilder('bid');
 
     if (startDate) {
@@ -97,13 +130,18 @@ export class BidsService {
     }
 
     if (keywords && keywords.length > 0) {
-      const keywordConditions = keywords.map((keyword, index) => {
-        return `bid.title LIKE :keyword${index}`;
-      }).join(' OR ');
-      qb.andWhere(`(${keywordConditions})`, keywords.reduce((params, keyword, index) => {
-        params[`keyword${index}`] = `%${keyword}%`;
-        return params;
-      }, {}));
+      const keywordConditions = keywords
+        .map((keyword, index) => {
+          return `bid.title LIKE :keyword${index}`;
+        })
+        .join(' OR ');
+      qb.andWhere(
+        `(${keywordConditions})`,
+        keywords.reduce((params, keyword, index) => {
+          params[`keyword${index}`] = `%${keyword}%`;
+          return params;
+        }, {}),
+      );
     }
 
     return qb.orderBy('bid.publishDate', 'DESC').getMany();
@@ -118,7 +156,7 @@ export class BidsService {
     return this.bidRepository.save(item);
   }
 
-  async getCrawlInfoAddStats() {
+  async getCrawlInfoAddStats(): Promise<CrawlInfoAddStats[]> {
     // 获取每个来源的最新一次爬虫记录（按 createdAt 降序）
     const query = `
       SELECT
@@ -136,15 +174,19 @@ export class BidsService {
       ORDER BY source ASC
     `;
 
-    const results = await this.crawlInfoRepository.query(query);
+    const results =
+      await this.crawlInfoRepository.query<CrawlInfoAddRawResult[]>(query);
 
-    return results.map((item: any) => ({
-      source: item.source,
-      count: item.count,
+    return results.map((item) => ({
+      source: String(item.source),
+      count: Number(item.count),
       latestUpdate: item.latestUpdate,
       latestPublishDate: item.latestPublishDate,
       // 确保 error 字段正确处理：null 或空字符串都转换为 null，非空字符串保留
-      error: item.error && item.error.trim() !== '' ? item.error : null,
+      error:
+        item.error && String(item.error).trim() !== ''
+          ? String(item.error)
+          : null,
     }));
   }
 }