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- 新增新房预售证表 house_presale 存储预售许可信息 - 为 house_community 表添加 avg_price 字段存储小区参考均价 - 增强服务器操作审计日志功能，新增管理员账号、IP归属地、错误信息、UA等字段 - 实现纯Go版IP归属地离线解析器，无外部依赖，支持二分查找 - 优化看房列表查询逻辑，修复Fields设置位置导致的SQL语法错误 - 集成招聘模块，添加独立数据库配置和Bark推送服务支持 - 重构日志查询接口，支持多维度筛选和综合分页列表展示 - 更新DAO实体结构同步数据库表结构调整
597 lines
18 KiB
Go
597 lines
18 KiB
Go
package recruitment
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import (
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"context"
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"crypto/md5"
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"encoding/json"
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"fmt"
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"net/url"
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"regexp"
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"strings"
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"time"
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"github.com/gogf/gf/v2/errors/gerror"
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"github.com/gogf/gf/v2/frame/g"
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"github.com/gogf/gf/v2/os/gtime"
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"service.xpcool.com/internal/dao"
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"service.xpcool.com/internal/model/do"
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"service.xpcool.com/internal/model/dto"
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"service.xpcool.com/internal/model/entity"
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)
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// crawlerRun 按数据源类型分发抓取，返回运行结果（供写日志/统计）。
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func crawlerRun(ctx context.Context, src entity.CrawlSource, force bool) dto.CrawlRunResult {
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res := dto.CrawlRunResult{SourceId: src.Id}
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defer func() {
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// 防止单源解析panic拖垮整体调度。
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if r := recover(); r != nil {
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res.Err = gerror.Newf("crawler panic: %v", r)
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}
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}()
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var (
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infos []dto.RecruitmentInput
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err error
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)
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switch src.SourceType {
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case 1: // 静态列表页
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infos, err = genericStaticCrawl(ctx, src, force)
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case 2: // SPA / JS 渲染（需底层 JSON 接口，首批 POC）
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infos, err = spaCrawl(ctx, src, force)
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case 3: // 需登录/验证码，首批已排除
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err = gerror.New("该源需登录/验证码，首批已排除")
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case 4: // 附件型，先按静态抓取，附件解析为后续增强
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infos, err = genericStaticCrawl(ctx, src, force)
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default:
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err = gerror.Newf("未知源类型 %d", src.SourceType)
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}
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res.Err = err
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res.Fetched = len(infos)
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if err != nil {
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return res
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}
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newCount, updated := 0, 0
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for i := range infos {
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isNew, e := upsertInfo(ctx, infos[i])
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if e != nil {
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res.Err = e
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continue
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}
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if isNew {
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newCount++
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} else {
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updated++
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}
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}
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res.NewCount = newCount
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res.UpdatedCount = updated
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return res
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}
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// genericStaticCrawl 通用静态列表抓取：取列表页锚点 → 逐条抓详情 → 抽取字段。
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func genericStaticCrawl(ctx context.Context, src entity.CrawlSource, force bool) ([]dto.RecruitmentInput, error) {
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listURL := joinURL(src.BaseUrl, src.ListPath)
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if listURL == "" {
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listURL = src.BaseUrl
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}
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html, err := fetchHTML(ctx, listURL)
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if err != nil {
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return nil, err
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}
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g.Log().Infof(ctx, "[recruit-debug] src=%d listURL=%s htmlLen=%d", src.Id, listURL, len(html))
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raw := extractAnchors(html, listURL)
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anchors := filterArticleAnchors(raw)
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g.Log().Infof(ctx, "[recruit-debug] src=%d rawAnchors=%d filtered=%d", src.Id, len(raw), len(anchors))
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var out []dto.RecruitmentInput
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limit := 60
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if force {
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limit = 300 // 全量回溯放宽上限
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}
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for _, a := range anchors {
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if len(out) >= limit {
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break
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}
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dHtml, e := fetchHTML(ctx, a.URL)
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if e != nil {
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continue
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}
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title, content, pub, dl, ex := extractDetail(dHtml)
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if title == "" {
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title = a.Text
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}
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pubDate := normalizeDate(pub)
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// 增量模式：跳过 30 天前的公告，避免无效回扫。
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if !force && pubDate != "" {
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if t, e2 := time.Parse("2006-01-02", pubDate); e2 == nil {
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if time.Since(t) > 30*24*time.Hour {
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continue
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}
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}
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}
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out = append(out, dto.RecruitmentInput{
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Title: title,
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SourceId: src.Id,
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OrgName: src.Name,
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Category: src.Category,
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Region: src.Region,
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PublishDate: pubDate,
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Deadline: normalizeDate(dl),
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ExamDate: normalizeDate(ex),
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Url: a.URL,
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Content: content,
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Status: 0,
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})
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}
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return out, nil
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}
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// spaCrawl SPA 源抓取（最佳实践：逆向底层 JSON 接口）。当前为占位实现，
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// 若服务端渲染无锚点则返回明确错误，便于在阶段0 POC 中补齐接口。
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func spaCrawl(ctx context.Context, src entity.CrawlSource, force bool) ([]dto.RecruitmentInput, error) {
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listURL := joinURL(src.BaseUrl, src.ListPath)
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if listURL == "" {
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listURL = src.BaseUrl
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}
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html, err := fetchHTML(ctx, listURL)
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if err != nil {
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return nil, err
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}
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// 部分 SPA 会在 HTML 内联 __NEXT_DATA__ / 初始 state，可从中抽取。
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if data := extractFromInlineJSON(html); len(data) > 0 {
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return data, nil
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}
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// 纯客户端渲染（hash 路由）无服务端内容，需 POC 接入接口。
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if len(extractAnchors(html, listURL)) == 0 {
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return nil, gerror.New("SPA 无服务端渲染内容，需接入底层 JSON 接口（阶段0 POC）")
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}
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return genericStaticCrawl(ctx, src, force)
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}
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// extractFromInlineJSON 从 SPA 内联 JSON（__NEXT_DATA__ / window.__INITIAL_STATE__）抽取标题与链接。
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// 适配 Vue/Next 等 SSR/CSR 混合页面，作为 SPA 源的兜底解析。
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func extractFromInlineJSON(html string) []dto.RecruitmentInput {
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var out []dto.RecruitmentInput
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// 匹配常见内联 JSON 块，逐块扫描其中的标题/链接字段。
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blocks := inlineJSONRe.FindAllStringSubmatch(html, -1)
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for _, b := range blocks {
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raw := b[1]
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var generic map[string]any
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if err := json.Unmarshal([]byte(raw), &generic); err != nil {
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continue
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}
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walkJSON(generic, &out)
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}
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return out
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}
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// walkJSON 递归遍历内联 JSON，提取含标题与链接的条目（最佳实践，避免硬规则）。
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func walkJSON(node any, out *[]dto.RecruitmentInput) {
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switch v := node.(type) {
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case map[string]any:
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title, _ := v["title"].(string)
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link, _ := v["url"].(string)
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if link == "" {
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link, _ = v["href"].(string)
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}
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if title != "" && link != "" {
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*out = append(*out, dto.RecruitmentInput{
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Title: title, Url: link, Status: 0,
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})
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}
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for _, val := range v {
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walkJSON(val, out)
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}
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case []any:
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for _, item := range v {
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walkJSON(item, out)
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}
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}
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}
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// fetchHTML 带超时与浏览器 UA 的请求，降低被反爬概率。
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func fetchHTML(ctx context.Context, u string) (string, error) {
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client := g.Client()
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client.SetTimeout(15 * time.Second)
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client.SetHeader("User-Agent", "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0 Safari/537.36")
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client.SetHeader("Accept", "text/html,application/xhtml+xml,*/*")
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resp, err := client.Get(ctx, u)
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if err != nil {
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return "", gerror.Wrapf(err, "fetch %s", u)
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}
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defer resp.Close()
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if resp.StatusCode != 200 {
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return "", gerror.Newf("HTTP %d for %s", resp.StatusCode, u)
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}
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return resp.ReadAllString(), nil
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}
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type anchor struct {
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URL string
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Text string
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}
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var (
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// anchorBlockRe 匹配完整 <a>...</a> 块；hrefRe/titleAttrRe 从块内分别抽取链接与 title 属性。
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anchorBlockRe = regexp.MustCompile(`(?is)<a\b[^>]*>([\s\S]*?)</a>`)
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hrefRe = regexp.MustCompile(`(?i)\bhref\s*=\s*["']([^"']+)["']`)
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titleAttrRe = regexp.MustCompile(`(?i)\btitle\s*=\s*["']([^"']+)["']`)
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tagRe = regexp.MustCompile(`<[^>]+>`)
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scriptRe = regexp.MustCompile(`(?is)<script[\s\S]*?</script>`)
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styleRe = regexp.MustCompile(`(?is)<style[\s\S]*?</style>`)
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titleRe = regexp.MustCompile(`(?is)<title[^>]*>([\s\S]*?)</title>`)
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h1Re = regexp.MustCompile(`(?is)<h1[^>]*>([\s\S]*?)</h1>`)
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dateRe = regexp.MustCompile(`(\d{4})[-/年.](\d{1,2})[-/月.](\d{1,2})`)
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inlineJSONRe = regexp.MustCompile(`(?is)(?:__NEXT_DATA__|__INITIAL_STATE__|window\.__[A-Z_]+)\s*=\s*(\{[\s\S]*?\})\s*;?`)
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spaceRe = regexp.MustCompile(`\s+`)
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// recruitKw 招聘类公告常见语义词，用于从政府站链接中识别公告条目。
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recruitKw = regexp.MustCompile(`招聘|招考|公招|选聘|引进|人才|公告|公示|录用|录取|面试|笔试|报名|选调|遴选|拟聘|聘用|招募|招录|考试|考录|体检|考察|资格复审|递补`)
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)
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// extractAnchors 从 HTML 抽取绝对化后的锚点（URL + 文本）。
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// 政府站常把真实标题放在 title 属性、inner text 仅"详细/更多"，故 inner 过短时回退 title。
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func extractAnchors(html, base string) []anchor {
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out := make([]anchor, 0)
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for _, block := range anchorBlockRe.FindAllStringSubmatch(html, -1) {
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full := block[0]
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hm := hrefRe.FindStringSubmatch(full)
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if len(hm) < 2 {
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continue
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}
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href := strings.TrimSpace(hm[1])
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if href == "" || strings.HasPrefix(href, "javascript:") ||
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strings.HasPrefix(href, "#") || strings.HasPrefix(href, "mailto:") {
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continue
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}
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inner := strings.TrimSpace(stripTags(block[1]))
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text := inner
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if tm := titleAttrRe.FindStringSubmatch(full); len(tm) >= 2 {
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t := strings.TrimSpace(tm[1])
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if len([]rune(text)) < 4 && t != "" {
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text = t
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}
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}
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if text == "" {
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continue
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}
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abs := resolveURL(base, href)
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if abs == "" {
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continue
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}
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out = append(out, anchor{URL: abs, Text: text})
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}
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return out
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}
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// filterArticleAnchors 过滤导航/无用链接，保留疑似招聘公告条目并去重。
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func filterArticleAnchors(as []anchor) []anchor {
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out := make([]anchor, 0, len(as))
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for _, a := range as {
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text := strings.TrimSpace(a.Text)
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if len([]rune(text)) < 4 {
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continue
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}
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u := strings.ToLower(a.URL)
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// URL 形态线索：静态详情页、政务公开/人事招考栏目、含年份。
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urlHint := strings.Contains(u, ".html") || strings.Contains(u, ".shtml") ||
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strings.Contains(u, ".php") || strings.Contains(u, "/tzgg") ||
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strings.Contains(u, "/rszk") || strings.Contains(u, "/rsxx") ||
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strings.Contains(u, "/zfxx") || dateRe.MatchString(a.URL)
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// 文本语义线索：政府站公告标题常含这些词（必须命中，过滤"市长信箱/重点领域"等非招聘页）。
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textHint := recruitKw.MatchString(text) || recruitKw.MatchString(a.URL)
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// 同时满足"内容页形态"与"招聘语义"，避免误抓栏目/互动页。
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if urlHint && textHint {
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out = append(out, a)
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}
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}
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seen := map[string]bool{}
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uniq := out[:0]
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for _, a := range out {
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if seen[a.URL] {
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continue
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}
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seen[a.URL] = true
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uniq = append(uniq, a)
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}
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return uniq
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}
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// extractDetail 从详情页抽取标题/正文/发布日期/报名截止/笔试日期（启发式，可按源调优）。
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func extractDetail(html string) (title, content, publishDate, deadline, examDate string) {
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if m := titleRe.FindStringSubmatch(html); len(m) > 1 {
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title = stripTags(m[1])
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}
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if title == "" {
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if m := h1Re.FindStringSubmatch(html); len(m) > 1 {
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title = stripTags(m[1])
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}
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}
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title = strings.TrimSpace(title)
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body := scriptRe.ReplaceAllString(html, " ")
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body = styleRe.ReplaceAllString(body, " ")
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text := stripTags(body)
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text = collapseSpace(text)
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if len([]rune(text)) > 4000 {
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text = string([]rune(text)[:4000])
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}
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content = text
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publishDate = normalizeDate(firstDate(html))
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deadline = normalizeDate(findDateAfter(text, "报名"))
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examDate = normalizeDate(findDateAfter(text, "笔试"))
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return
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}
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// firstDate 返回文本中首个日期（归一化后）。
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func firstDate(s string) string {
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m := dateRe.FindStringSubmatch(s)
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if len(m) == 0 {
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return ""
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}
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return normalizeDate(m[0])
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}
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// findDateAfter 在 keyword 之后查找下一个日期（用于报名/笔试时间）。
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func findDateAfter(text, keyword string) string {
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idx := strings.Index(text, keyword)
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if idx < 0 {
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return ""
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}
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rest := text[idx:]
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m := dateRe.FindStringSubmatch(rest)
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if len(m) == 0 {
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return ""
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}
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return normalizeDate(m[0])
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}
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// normalizeDate 将多种中文/西式日期归一化为 YYYY-MM-DD。
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func normalizeDate(s string) string {
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s = strings.TrimSpace(s)
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if s == "" {
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return ""
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}
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m := dateRe.FindStringSubmatch(s)
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if len(m) == 0 {
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return ""
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}
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y, mo, d := m[1], atoiSafe(m[2]), atoiSafe(m[3])
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return fmt.Sprintf("%s-%02d-%02d", y, mo, d)
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}
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// stripTags 去除 HTML 标签。
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func stripTags(s string) string {
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return tagRe.ReplaceAllString(s, " ")
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}
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// collapseSpace 折叠空白字符。
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func collapseSpace(s string) string {
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return spaceRe.ReplaceAllString(s, " ")
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}
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// resolveURL 将相对链接解析为绝对 URL。
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func resolveURL(base, href string) string {
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if strings.HasPrefix(href, "http://") || strings.HasPrefix(href, "https://") {
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return href
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}
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u, err := url.Parse(base)
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if err != nil {
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return ""
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}
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ref, err := url.Parse(href)
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if err != nil {
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return ""
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}
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return u.ResolveReference(ref).String()
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}
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// joinURL 拼接基础域名与路径。
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func joinURL(base, p string) string {
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if p == "" {
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return base
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}
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if strings.HasPrefix(p, "http") {
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return p
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}
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u, err := url.Parse(base)
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if err != nil {
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return base + p
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}
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ref, err := url.Parse(p)
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if err != nil {
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return base + p
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}
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return u.ResolveReference(ref).String()
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}
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func atoiSafe(s string) int {
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n := 0
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for _, c := range s {
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if c < '0' || c > '9' {
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break
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}
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n = n*10 + int(c-'0')
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}
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return n
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}
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// ---------- 去重与写入 ----------
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func fingerprintOf(in dto.RecruitmentInput) string {
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h := md5.Sum([]byte(fmt.Sprintf("%d|%s|%s|%s", in.SourceId, in.Title, in.PublishDate, in.Url)))
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return fmt.Sprintf("%x", h)
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}
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func groupKeyOf(in dto.RecruitmentInput) string {
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h := md5.Sum([]byte(fmt.Sprintf("%s|%s", in.Title, in.PublishDate)))
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return fmt.Sprintf("%x", h)
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}
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// upsertInfo 按指纹去重写入公告；已存在则更新可变字段（内容/状态/日期）。
|
||
func upsertInfo(ctx context.Context, in dto.RecruitmentInput) (bool, error) {
|
||
if in.Fingerprint == "" {
|
||
in.Fingerprint = fingerprintOf(in)
|
||
}
|
||
if in.GroupKey == "" {
|
||
in.GroupKey = groupKeyOf(in)
|
||
}
|
||
var exist entity.RecruitmentInfo
|
||
if err := dao.RecruitmentInfo.Ctx(ctx).Where("fingerprint", in.Fingerprint).Scan(&exist); err != nil {
|
||
// gf 的 Scan 在查无记录时返回 "no rows" 错误，视为未存在，继续插入。
|
||
if !strings.Contains(err.Error(), "no rows") {
|
||
return false, gerror.Wrap(err, "query exist info")
|
||
}
|
||
}
|
||
if exist.Id > 0 {
|
||
_, err := dao.RecruitmentInfo.Ctx(ctx).Where("id", exist.Id).Data(do.RecruitmentInfo{
|
||
Content: in.Content, Status: in.Status, Deadline: in.Deadline,
|
||
ExamDate: in.ExamDate, UpdatedAt: gtime.Now(),
|
||
}).Update()
|
||
if err != nil {
|
||
return false, gerror.Wrap(err, "update info")
|
||
}
|
||
return false, nil
|
||
}
|
||
orgId, err := upsertOrg(ctx, in.OrgName, in.Category, in.Region)
|
||
if err != nil {
|
||
return false, err
|
||
}
|
||
in.OrgId = orgId
|
||
if _, err = dao.RecruitmentInfo.Ctx(ctx).Data(toRecruitmentDO(in)).InsertAndGetId(); err != nil {
|
||
return false, gerror.Wrap(err, "insert info")
|
||
}
|
||
return true, nil
|
||
}
|
||
|
||
// upsertOrg 发布主体按名称去重，返回主键。
|
||
func upsertOrg(ctx context.Context, name string, category int, region string) (uint64, error) {
|
||
if name == "" {
|
||
return 0, nil
|
||
}
|
||
var org entity.Organization
|
||
if err := dao.Organization.Ctx(ctx).Where("name", name).Scan(&org); err != nil {
|
||
if !strings.Contains(err.Error(), "no rows") {
|
||
return 0, gerror.Wrap(err, "query org")
|
||
}
|
||
}
|
||
if org.Id > 0 {
|
||
return org.Id, nil
|
||
}
|
||
id, err := dao.Organization.Ctx(ctx).Data(do.Organization{
|
||
Name: name, Type: mapCategoryToOrgType(category), Region: region,
|
||
CreatedAt: gtime.Now(), UpdatedAt: gtime.Now(),
|
||
}).InsertAndGetId()
|
||
if err != nil {
|
||
return 0, gerror.Wrap(err, "insert org")
|
||
}
|
||
return uint64(id), nil
|
||
}
|
||
|
||
func mapCategoryToOrgType(c int) int {
|
||
switch c {
|
||
case 2:
|
||
return 2 // 事业单位
|
||
case 3:
|
||
return 3 // 国企
|
||
case 4:
|
||
return 4 // 央企
|
||
case 5:
|
||
return 5 // 私企
|
||
default:
|
||
return 6
|
||
}
|
||
}
|
||
|
||
func toRecruitmentDO(in dto.RecruitmentInput) do.RecruitmentInfo {
|
||
now := gtime.Now()
|
||
return do.RecruitmentInfo{
|
||
Title: in.Title, SourceId: in.SourceId, OrgId: in.OrgId, OrgName: in.OrgName,
|
||
Category: in.Category, Region: in.Region, PublishDate: nullIfEmpty(in.PublishDate),
|
||
Deadline: nullIfEmpty(in.Deadline), ExamDate: nullIfEmpty(in.ExamDate), Url: in.Url, Content: in.Content,
|
||
Attachments: in.Attachments, Status: in.Status, Fingerprint: in.Fingerprint,
|
||
GroupKey: in.GroupKey, CreatedAt: now, UpdatedAt: now,
|
||
}
|
||
}
|
||
|
||
// nullIfEmpty 将空字符串转为 nil，便于插入 NULL（DATE 等可空列不接受空串）。
|
||
func nullIfEmpty(s string) any {
|
||
if strings.TrimSpace(s) == "" {
|
||
return nil
|
||
}
|
||
return s
|
||
}
|
||
|
||
// recordCrawlLog 写抓取日志并更新数据源运行状态（成功清失败计数；失败累加）。
|
||
func recordCrawlLog(ctx context.Context, res dto.CrawlRunResult) {
|
||
errMsg := ""
|
||
if res.Err != nil {
|
||
// 错误可能含整页 SQL，截断避免超过 error 列长度导致日志也写不进。
|
||
errMsg = res.Err.Error()
|
||
const maxErr = 900
|
||
if len(errMsg) > maxErr {
|
||
errMsg = errMsg[:maxErr] + "...(truncated)"
|
||
}
|
||
}
|
||
if _, err := dao.CrawlLog.Ctx(ctx).Data(do.CrawlLog{
|
||
SourceId: res.SourceId, RunAt: gtime.Now(), Fetched: res.Fetched,
|
||
NewCount: res.NewCount, UpdatedCount: res.UpdatedCount, Error: errMsg,
|
||
}).Insert(); err != nil {
|
||
g.Log().Errorf(ctx, "write crawl log failed: %v", err)
|
||
}
|
||
if res.Err != nil {
|
||
var src entity.CrawlSource
|
||
_ = dao.CrawlSource.Ctx(ctx).Where("id", res.SourceId).Scan(&src)
|
||
_, _ = dao.CrawlSource.Ctx(ctx).Where("id", res.SourceId).
|
||
Data(do.CrawlSource{FailCount: src.FailCount + 1}).Update()
|
||
return
|
||
}
|
||
_, _ = dao.CrawlSource.Ctx(ctx).Where("id", res.SourceId).
|
||
Data(do.CrawlSource{LastSuccessAt: gtime.Now().String(), FailCount: 0}).Update()
|
||
}
|
||
|
||
// ---------- 订阅辅助 ----------
|
||
|
||
// loadSubscription 加载推送订阅：id>0 按 id；否则取首个启用订阅。
|
||
func loadSubscription(ctx context.Context, id uint64) (*entity.PushSubscription, error) {
|
||
var sub entity.PushSubscription
|
||
m := dao.PushSubscription.Ctx(ctx)
|
||
if id > 0 {
|
||
m = m.Where("id", id)
|
||
} else {
|
||
m = m.Where("enabled", 1)
|
||
}
|
||
if err := m.OrderDesc("id").Scan(&sub); err != nil {
|
||
return nil, gerror.Wrap(err, "query subscription")
|
||
}
|
||
if sub.Id == 0 {
|
||
return nil, nil
|
||
}
|
||
return &sub, nil
|
||
}
|
||
|
||
func doPushSubscription(in dto.SubscriptionInput) do.PushSubscription {
|
||
regions, _ := json.Marshal(in.Regions)
|
||
cats, _ := json.Marshal(in.Categories)
|
||
return do.PushSubscription{
|
||
Name: in.Name, DeviceKey: in.DeviceKey, Regions: string(regions),
|
||
Categories: string(cats), OnlyNew: in.OnlyNew, PushTime: in.PushTime,
|
||
Enabled: in.Enabled, UpdatedAt: gtime.Now(),
|
||
}
|
||
}
|
||
|
||
func parseJSONStrings(s string) []string {
|
||
if s == "" {
|
||
return nil
|
||
}
|
||
var out []string
|
||
_ = json.Unmarshal([]byte(s), &out)
|
||
return out
|
||
}
|
||
|
||
func parseJSONInts(s string) []int {
|
||
if s == "" {
|
||
return nil
|
||
}
|
||
var out []int
|
||
_ = json.Unmarshal([]byte(s), &out)
|
||
return out
|
||
}
|