feat: in-app ePub reader with epub.js, TOC sidebar, chapter navigation

Made-with: Cursor

src/routes/issues.py

@@ -46,6 +46,33 @@ def cover_image(issue_id):
     return send_file(issue.cover_path, mimetype="image/jpeg")
 
 
+@issues_bp.route("/issues/<int:issue_id>/read")
+def read(issue_id):
+    issue = Issue.query.get_or_404(issue_id)
+    if not os.path.exists(issue.epub_path):
+        flash("ePub file not found.", "error")
+        return redirect(url_for("issues.index"))
+
+    article_count = len(json.loads(issue.article_ids))
+    if issue.issue_type == "single_article":
+        article_ids = json.loads(issue.article_ids)
+        article = Article.query.get(article_ids[0]) if article_ids else None
+        title = article.title if article else "Single Article"
+    elif issue.issue_type == "multi_week":
+        w1 = issue.week_start.isocalendar()[1]
+        w2 = issue.week_end.isocalendar()[1]
+        title = f"Weeks {w1}\u2013{w2}"
+    else:
+        title = f"Week {issue.week_start.isocalendar()[1]}"
+
+    return render_template(
+        "reader.html",
+        issue=issue,
+        title=title,
+        article_count=article_count,
+    )
+
+
 @issues_bp.route("/issues/<int:issue_id>/regenerate", methods=["POST"])
 def regenerate(issue_id):
     issue = Issue.query.get_or_404(issue_id)