feat: 移除 CSV 和 Markdown 导出

app/main.py

@@ -1,11 +1,9 @@
 from collections.abc import AsyncGenerator
 from contextlib import asynccontextmanager
 import logging
-from urllib.parse import quote
 
 from fastapi import Depends, FastAPI, HTTPException, Request, status
 from fastapi.responses import HTMLResponse, JSONResponse
-from fastapi.responses import Response
 from fastapi.staticfiles import StaticFiles
 from sqlalchemy.exc import OperationalError, SQLAlchemyError
 from sqlalchemy import select
@@ -14,7 +12,6 @@ from sqlalchemy.orm import Session
 from app.db import SessionLocal, backup_sqlite_files, get_db_session, init_db
 from app.models import Comment, ContentItem, Hotspot, Report
 from app.schemas import CreateTaskRequest, CreateTaskResponse, TaskResponse
-from app.services.export_service import export_hotspot_comments_csv, export_item_comments_csv, export_report_markdown
 from app.services.task_service import (
     RUNNING_TASK_MESSAGE,
     create_task,
@@ -146,47 +143,3 @@ def item_detail_page(item_id: str, request: Request, session: Session = Depends(
         "items/detail.html",
         {"task": task, "hotspot": hotspot, "item": item, "report": report, "comments": comments},
     )
-
-
-@app.get("/api/export/items/{item_id}/comments.csv")
-def export_item_comments(item_id: str, session: Session = Depends(get_db_session)) -> Response:
-    try:
-        content, filename = export_item_comments_csv(session, item_id)
-    except ValueError:
-        raise HTTPException(status_code=status.HTTP_404_NOT_FOUND, detail="导出数据不存在")
-    return Response(
-        content=content,
-        media_type="text/csv; charset=utf-8",
-        headers={"Content-Disposition": f"attachment; filename*=UTF-8''{quote(filename)}"},
-    )
-
-
-@app.get("/api/export/hotspots/{hotspot_id}/comments.csv")
-def export_hotspot_comments(hotspot_id: str, session: Session = Depends(get_db_session)) -> Response:
-    try:
-        content, filename = export_hotspot_comments_csv(session, hotspot_id)
-    except ValueError:
-        raise HTTPException(status_code=status.HTTP_404_NOT_FOUND, detail="导出数据不存在")
-    return Response(
-        content=content,
-        media_type="text/csv; charset=utf-8",
-        headers={"Content-Disposition": f"attachment; filename*=UTF-8''{quote(filename)}"},
-    )
-
-
-@app.get("/api/export/hotspots/{hotspot_id}.md")
-def export_hotspot_markdown(hotspot_id: str, session: Session = Depends(get_db_session)) -> Response:
-    try:
-        content, filename = export_report_markdown(session, report_type="hotspot", hotspot_id=hotspot_id)
-    except ValueError:
-        raise HTTPException(status_code=status.HTTP_404_NOT_FOUND, detail="报告不存在")
-    return Response(content=content, media_type="text/markdown; charset=utf-8", headers={"Content-Disposition": f"attachment; filename*=UTF-8''{quote(filename)}"})
-
-
-@app.get("/api/export/items/{item_id}.md")
-def export_item_markdown(item_id: str, session: Session = Depends(get_db_session)) -> Response:
-    try:
-        content, filename = export_report_markdown(session, report_type="item", item_id=item_id)
-    except ValueError:
-        raise HTTPException(status_code=status.HTTP_404_NOT_FOUND, detail="报告不存在")
-    return Response(content=content, media_type="text/markdown; charset=utf-8", headers={"Content-Disposition": f"attachment; filename*=UTF-8''{quote(filename)}"})

app/services/export_service.py

@@ -1,104 +0,0 @@
-import csv
-import io
-import json
-import re
-
-from sqlalchemy import select
-from sqlalchemy.orm import Session
-
-from app.models import Comment, ContentItem, Hotspot, Report
-
-
-def labels_to_text(labels_json: str | None) -> str:
-    try:
-        labels = json.loads(labels_json or "[]")
-    except json.JSONDecodeError:
-        return ""
-    return "，".join(str(label) for label in labels) if isinstance(labels, list) else ""
-
-
-def safe_csv_field(value) -> str:
-    text = "" if value is None else str(value)
-    text = text.replace("\r\n", " ").replace("\n", " ").replace("\r", " ")
-    if text.startswith(("=", "+", "-", "@")):
-        return f"'{text}"
-    return text
-
-
-def safe_filename(platform: str, task_id: str, hotspot_keyword: str, *, extension: str = "csv") -> str:
-    keyword = hotspot_keyword[:20] + ("..." if len(hotspot_keyword) > 20 else "")
-    name = f"{platform}_{task_id}_{keyword}"
-    name = re.sub(r'[/\\:*?"<>|]+', "_", name)
-    name = re.sub(r"_+", "_", name).strip("_")
-    return f"{name}.{extension}"
-
-
-def export_item_comments_csv(session: Session, item_id: str) -> tuple[bytes, str]:
-    item = session.get(ContentItem, item_id)
-    if item is None:
-        raise ValueError("content item not found")
-    hotspot = session.get(Hotspot, item.hotspot_id)
-    comments = list(session.scalars(select(Comment).where(Comment.content_item_id == item.id)))
-    output = io.StringIO()
-    writer = csv.writer(output)
-    writer.writerow(["平台", "任务 ID", "热点 ID", "热点标题", "内容条目 ID", "内容条目标题", "评论 ID", "评论内容", "情绪倾向", "方向标签", "点赞数", "评论时间"])
-    for comment in comments:
-        writer.writerow(
-            [
-                item.platform,
-                item.task_id,
-                hotspot.id if hotspot else "",
-                hotspot.title if hotspot else "",
-                item.id,
-                item.title or "",
-                comment.source_comment_id or "",
-                safe_csv_field(comment.content),
-                comment.sentiment,
-                labels_to_text(comment.labels),
-                comment.like_count or 0,
-                comment.comment_time or "",
-            ]
-        )
-    filename = safe_filename(item.platform, item.task_id, hotspot.title if hotspot else item.title or "comments")
-    return output.getvalue().encode("utf-8-sig"), filename
-
-
-def export_hotspot_comments_csv(session: Session, hotspot_id: str) -> tuple[bytes, str]:
-    hotspot = session.get(Hotspot, hotspot_id)
-    if hotspot is None:
-        raise ValueError("hotspot not found")
-    comments = list(session.scalars(select(Comment).where(Comment.hotspot_id == hotspot.id)))
-    output = io.StringIO()
-    writer = csv.writer(output)
-    writer.writerow(["平台", "任务 ID", "热点 ID", "热点标题", "内容条目 ID", "内容条目标题", "评论 ID", "评论内容", "情绪倾向", "方向标签", "点赞数", "评论时间"])
-    for comment in comments:
-        item = session.get(ContentItem, comment.content_item_id)
-        writer.writerow(
-            [
-                comment.platform,
-                comment.task_id,
-                hotspot.id,
-                hotspot.title,
-                item.id if item else "",
-                item.title if item else "",
-                comment.source_comment_id or "",
-                safe_csv_field(comment.content),
-                comment.sentiment,
-                labels_to_text(comment.labels),
-                comment.like_count or 0,
-                comment.comment_time or "",
-            ]
-        )
-    return output.getvalue().encode("utf-8-sig"), safe_filename(hotspot.platform, hotspot.task_id, hotspot.title)
-
-
-def export_report_markdown(session: Session, *, report_type: str, hotspot_id: str | None = None, item_id: str | None = None) -> tuple[str, str]:
-    query = select(Report).where(Report.report_type == report_type)
-    if hotspot_id:
-        query = query.where(Report.hotspot_id == hotspot_id)
-    if item_id:
-        query = query.where(Report.content_item_id == item_id)
-    report = session.scalar(query)
-    if report is None:
-        raise ValueError("report not found")
-    return report.markdown_content or report.markdown, safe_filename("report", report.task_id, report.title, extension="md")

app/static/app.js

@@ -111,46 +111,3 @@ function pollTaskListStatus() {
   };
   window.setTimeout(poll, intervalMs);
 }
-
-async function downloadExport(url, defaultFilename, event) {
-  if (event) event.preventDefault();
-  const button = event ? event.currentTarget : null;
-  const originalText = button ? button.textContent : "";
-  if (button) {
-    button.disabled = true;
-    button.textContent = "下载中...";
-  }
-  try {
-    const resp = await fetch(url, { cache: "no-store" });
-    if (!resp.ok) {
-      let message = "导出失败，请稍后重试。";
-      try {
-        const data = await resp.json();
-        if (data.detail) message = data.detail;
-      } catch (_error) {
-        message = resp.status === 503 ? "数据库暂时不可用，请稍后重试。" : message;
-      }
-      alert(message);
-      return;
-    }
-    const blob = await resp.blob();
-    const disposition = resp.headers.get("Content-Disposition") || "";
-    const match = disposition.match(/filename\*=UTF-8''([^;]+)/);
-    const filename = match ? decodeURIComponent(match[1]) : defaultFilename;
-    const blobUrl = URL.createObjectURL(blob);
-    const link = document.createElement("a");
-    link.href = blobUrl;
-    link.download = filename;
-    document.body.appendChild(link);
-    link.click();
-    document.body.removeChild(link);
-    URL.revokeObjectURL(blobUrl);
-  } catch (_error) {
-    alert("网络异常，导出未完成。");
-  } finally {
-    if (button) {
-      button.disabled = false;
-      button.textContent = originalText;
-    }
-  }
-}

app/templates/hotspots/report.html

@@ -10,19 +10,6 @@
 {% block content %}
 <div class="d-flex justify-content-between align-items-center mb-3">
   <h1 class="h3 mb-0">{{ hotspot.title }} 汇总报告</h1>
-  <div class="d-flex gap-2">
-    <button
-      class="btn btn-outline-primary"
-      onclick="downloadExport('/api/export/hotspots/{{ hotspot.id }}.md', 'hotspot-report.md', event)"
-      {% if not report %}disabled title="报告尚未生成"{% endif %}>
-      导出 Markdown 报告
-    </button>
-    <button
-      class="btn btn-outline-secondary"
-      onclick="downloadExport('/api/export/hotspots/{{ hotspot.id }}/comments.csv', 'hotspot-comments.csv', event)">
-      导出热点评论 CSV
-    </button>
-  </div>
 </div>
 {% if report %}
   {% include "partials/report_panel.html" %}
@@ -30,7 +17,6 @@
   <div class="text-center text-muted py-5">
     <div class="spinner-border text-warning mb-3" role="status"></div>
     <p>报告生成中，请稍候...</p>
-    <p class="small mb-0">Markdown 报告将在分析完成后开放下载；评论 CSV 可先导出已抓取的数据。</p>
   </div>
 {% endif %}
 {% endblock %}

app/templates/items/detail.html

@@ -11,19 +11,6 @@
 {% block content %}
 <div class="d-flex justify-content-between align-items-center mb-3">
   <h1 class="h3 mb-0">{{ item.title or item.source_item_id }}</h1>
-  <div class="d-flex gap-2">
-    <button
-      class="btn btn-outline-primary"
-      onclick="downloadExport('/api/export/items/{{ item.id }}.md', 'item-report.md', event)"
-      {% if not report %}disabled title="报告尚未生成"{% endif %}>
-      导出 Markdown 报告
-    </button>
-    <button
-      class="btn btn-outline-secondary"
-      onclick="downloadExport('/api/export/items/{{ item.id }}/comments.csv', 'item-comments.csv', event)">
-      导出评论 CSV
-    </button>
-  </div>
 </div>
 {% if report %}
   {% include "partials/report_panel.html" %}
@@ -31,7 +18,6 @@
   <div class="text-center text-muted py-5">
     <div class="spinner-border text-warning mb-3" role="status"></div>
     <p>报告生成中，请稍候...</p>
-    <p class="small mb-0">Markdown 报告将在分析完成后开放下载；评论 CSV 可先导出已抓取的数据。</p>
   </div>
 {% endif %}
 <section class="card"><div class="card-header">评论明细</div><div class="table-responsive">