first commit

db/rows/relation_options.py

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+from ..connection import connect
+from ..slugify import slugify
+from ..definitions.get_definition import get_definition
+
+
+def relation_options(slug, related_definition_id):
+    """Lignes existantes d'un objet lié, pour peupler un <select> de relation."""
+    related = get_definition(slug, related_definition_id)
+    conn = connect(slug)
+    rows = conn.execute(f"SELECT * FROM {related['table_name']} ORDER BY id").fetchall()
+    conn.close()
+    display_field = related["fields"][0]["name"] if related["fields"] else "id"
+    display_col = slugify(display_field).replace("-", "_")
+    options = []
+    for r in rows:
+        r = dict(r)
+        label = r.get(display_col, f"#{r['id']}")
+        options.append({"id": r["id"], "label": f"{label} (#{r['id']})"})
+    return options