feat: change entire downloads

apps/core/utils.py

@@ -0,0 +1,34 @@
+import markdown as _md
+from django.utils.html import escape, mark_safe
+
+FORMAT_PLAIN = "plain"
+FORMAT_MARKDOWN = "markdown"
+FORMAT_HTML = "html"
+
+CONTENT_FORMAT_CHOICES = [
+    (FORMAT_PLAIN, "Plain Text"),
+    (FORMAT_MARKDOWN, "Markdown"),
+    (FORMAT_HTML, "HTML"),
+]
+
+_MD_EXTENSIONS = ["extra", "nl2br", "sane_lists"]
+
+
+def render_content(text: str, fmt: str) -> str:
+    if not text:
+        return mark_safe("")
+
+    if fmt == FORMAT_HTML:
+        return mark_safe(text)
+
+    if fmt == FORMAT_MARKDOWN:
+        return mark_safe(_md.markdown(text, extensions=_MD_EXTENSIONS))
+
+    paragraphs = text.split("\n\n")
+    parts = []
+    for para in paragraphs:
+        para = para.strip()
+        if para:
+            lines = escape(para).split("\n")
+            parts.append("<p>" + "<br>".join(lines) + "</p>")
+    return mark_safe("".join(parts) if parts else f"<p>{escape(text)}</p>")