split cards

2026-05-01 21:12:05 +02:00
parent 214dd0b6a6
commit 2b65876525
6 changed files with 171 additions and 25 deletions
--- a/backend/app/program_content.py
+++ b/backend/app/program_content.py
@@ -1,5 +1,7 @@
 import base64
+import html
 import os
+import re
 from functools import lru_cache
 from pathlib import Path
 from urllib.parse import quote
@@ -72,6 +74,61 @@ def build_asset_url(relative_path: str) -> str:
    return f"/api/program/assets/{quote(encode_asset_path(relative_path))}"


+def build_section_url(relative_path: str, section_index: int) -> str:
+    token = quote(encode_asset_path(relative_path))
+    return f"/api/program/assets/{token}/sections/{section_index}"
+
+
+def extract_svg_sections(svg_path: Path) -> list[dict]:
+    text = svg_path.read_text(encoding="utf-8", errors="ignore")
+    sections: list[dict] = []
+    pattern = re.compile(
+        r'<g\s+transform="translate\((?P<x>[-\d.]+)\s+(?P<y>[-\d.]+)\)">\s*'
+        r'<rect\s+x="0"\s+y="0"\s+width="(?P<w>[-\d.]+)"\s+height="(?P<h>[-\d.]+)"[^>]*>'
+        r'(?P<body>.*?)</g>',
+        re.DOTALL,
+    )
+    for match in pattern.finditer(text):
+        width = float(match.group("w"))
+        height = float(match.group("h"))
+        if width < 250 or height < 120:
+            continue
+        title_match = re.search(r'<text[^>]*>(?P<title>.*?)</text>', match.group("body"), re.DOTALL)
+        raw_title = re.sub(r"<[^>]+>", "", title_match.group("title") if title_match else "")
+        title = html.unescape(raw_title).strip() or f"Étape {len(sections) + 1}"
+        margin = 28
+        sections.append(
+            {
+                "index": len(sections),
+                "title": title,
+                "view_box": [
+                    max(float(match.group("x")) - margin, 0),
+                    max(float(match.group("y")) - margin, 0),
+                    width + margin * 2,
+                    height + margin * 2,
+                ],
+            }
+        )
+    return sections
+
+
+def render_svg_section(path: Path, section_index: int) -> str:
+    sections = extract_svg_sections(path)
+    if section_index < 0 or section_index >= len(sections):
+        raise IndexError("Section introuvable")
+    x, y, width, height = sections[section_index]["view_box"]
+    text = path.read_text(encoding="utf-8", errors="ignore")
+    text = re.sub(r'\swidth="[^"]+"', f' width="{int(width)}"', text, count=1)
+    text = re.sub(r'\sheight="[^"]+"', f' height="{int(height)}"', text, count=1)
+    text = re.sub(
+        r'\sviewBox="[^"]+"',
+        f' viewBox="{x:g} {y:g} {width:g} {height:g}"',
+        text,
+        count=1,
+    )
+    return text
+
+
@lru_cache(maxsize=1)
 def list_lessons() -> list[dict]:
    lessons: list[dict] = []
@@ -106,15 +163,25 @@ def list_lessons() -> list[dict]:
            )
            title = first_heading or title

-        assets = [
-            {
-                "name": svg_path.stem,
-                "title": title_from_slug(svg_path.stem),
-                "path": svg_path.relative_to(CONTENT_ROOT).as_posix(),
-                "url": build_asset_url(svg_path.relative_to(CONTENT_ROOT).as_posix()),
-            }
-            for svg_path in svg_files
-        ]
+        assets = []
+        for svg_path in svg_files:
+            relative_path = svg_path.relative_to(CONTENT_ROOT).as_posix()
+            sections = extract_svg_sections(svg_path)
+            assets.append(
+                {
+                    "name": svg_path.stem,
+                    "title": title_from_slug(svg_path.stem),
+                    "path": relative_path,
+                    "url": build_asset_url(relative_path),
+                    "sections": [
+                        {
+                            **section,
+                            "url": build_section_url(relative_path, section["index"]),
+                        }
+                        for section in sections
+                    ],
+                }
+            )

        lessons.append(
            {