- Introducing format_strong, format_strong_with_subtext, format_placeholder, format_badge, format_currency, format_boolean_icon, and format_link functions in src/admin/shared.py.

src/admin/shared.py

@@ -0,0 +1,55 @@
+from django.utils.html import format_html
+from src.admin.base import * #noqa: F401
+
+def format_strong(text):
+    return format_html("<strong>{}</strong>", text)
+
+
+def format_strong_with_subtext(primary, secondary, secondary_color="#888"):
+    return format_html(
+        "<strong>{}</strong><br><small style='color: {};'>{}</small>",
+        primary,
+        secondary_color,
+        secondary if secondary else "—",
+    )
+
+
+def format_placeholder(value=None, placeholder="—", color="#888"):
+    return (
+        value
+        if value
+        else format_html("<span style='color:{};'>{}</span>", color, placeholder)
+    )
+
+
+def format_badge(label, background="#333", text_color="white"):
+    return format_html(
+        "<span style='background:{}; color:{}; padding:3px 8px; border-radius:6px; font-size:12px;'>{}</span>",
+        background,
+        text_color,
+        label,
+    )
+
+
+def format_currency(amount):
+    return format_html("<b>${:,.2f}</b>", amount) if amount is not None else "—"
+
+
+def format_boolean_icon(
+    flag, true_icon="✅", false_icon="❌", true_color="#28a745", false_color="#999"
+):
+    color = true_color if flag else false_color
+    icon = true_icon if flag else false_icon
+    return format_html(
+        "<span style='color:{}; font-size:14px;'>{}</span>",
+        color,
+        icon,
+    )
+
+
+def format_link(url, label=None):
+    return (
+        format_html("<a href='{}' target='_blank'>{}</a>", url, label or url)
+        if url
+        else format_placeholder()
+    )