implemented chat long-polling and optimistic updates, centralized notification management, optimized avatar caching

2026-05-10 15:47:55 +02:00
parent 6ae396e605
commit 1458d8ce49
15 changed files with 712 additions and 146 deletions
@@ -37,40 +37,10 @@ class AppointmentTile extends StatelessWidget {
                borderRadius: _radius,
                color: color,
              ),
-              child: Column(
-                crossAxisAlignment: CrossAxisAlignment.stretch,
-                mainAxisSize: MainAxisSize.max,
-                children: [
-                  _AdaptiveTitle(
-                    text: appointment.subject,
-                    fontSize: kAppointmentTitleFontSize,
-                    minFontSize: kAppointmentTitleMinFontSize,
-                    fontWeight: FontWeight.w500,
-                  ),
-                  if (isCustom) ...[
-                    if (description.isNotEmpty)
-                      Expanded(
-                        child: Padding(
-                          padding: const EdgeInsets.only(top: 1),
-                          child: _WrappingBody(
-                            text: description,
-                            fontSize: kAppointmentBodyFontSize,
-                            lineHeight: kAppointmentBodyLineHeight,
-                          ),
-                        ),
-                      ),
-                  ] else ...[
-                    for (final line
-                        in description
-                            .split('\n')
-                            .where((p) => p.isNotEmpty)
-                            .take(2))
-                      _ScaledLine(
-                        text: line,
-                        fontSize: kAppointmentBodyFontSize,
-                      ),
-                  ],
-                ],
+              child: _TileContent(
+                title: appointment.subject,
+                description: description,
+                isCustom: isCustom,
              ),
            ),
          ),
@@ -96,6 +66,91 @@ class AppointmentTile extends StatelessWidget {
  }
 }

+/// Picks how many lines fit into the calendar slot's height. Title gets
+/// first dibs; if not even one minimum-size title line fits, the column
+/// collapses to keep the slot from overflowing.
+class _TileContent extends StatelessWidget {
+  final String title;
+  final String description;
+  final bool isCustom;
+
+  const _TileContent({
+    required this.title,
+    required this.description,
+    required this.isCustom,
+  });
+
+  @override
+  Widget build(BuildContext context) {
+    final scaler = MediaQuery.textScalerOf(context);
+    final titleLineHeight = scaler.scale(kAppointmentTitleMinFontSize) * 1.1;
+    final bodyLineHeight = scaler.scale(kAppointmentBodyFontSize) * 1.1;
+
+    final titleWidget = _AdaptiveTitle(
+      text: title,
+      fontSize: kAppointmentTitleFontSize,
+      minFontSize: kAppointmentTitleMinFontSize,
+      fontWeight: FontWeight.w500,
+    );
+
+    return LayoutBuilder(
+      builder: (context, constraints) {
+        final available = constraints.maxHeight;
+        // Slot too short for even one min-size title line — drop text
+        // entirely; the coloured rectangle is enough.
+        if (available < titleLineHeight) return const SizedBox.shrink();
+
+        final remaining =
+            (available - titleLineHeight).clamp(0.0, double.infinity);
+        final bodyLineCapacity = (remaining / bodyLineHeight).floor();
+
+        if (isCustom) {
+          if (description.isEmpty || bodyLineCapacity <= 0) {
+            return Column(
+              crossAxisAlignment: CrossAxisAlignment.stretch,
+              mainAxisSize: MainAxisSize.min,
+              children: [titleWidget],
+            );
+          }
+          return Column(
+            crossAxisAlignment: CrossAxisAlignment.stretch,
+            mainAxisSize: MainAxisSize.max,
+            children: [
+              titleWidget,
+              Expanded(
+                child: Padding(
+                  padding: const EdgeInsets.only(top: 1),
+                  child: _WrappingBody(
+                    text: description,
+                    fontSize: kAppointmentBodyFontSize,
+                    lineHeight: kAppointmentBodyLineHeight,
+                  ),
+                ),
+              ),
+            ],
+          );
+        }
+
+        final maxBodyLines = bodyLineCapacity.clamp(0, 2);
+        final lines = description
+            .split('\n')
+            .where((p) => p.isNotEmpty)
+            .take(maxBodyLines)
+            .toList(growable: false);
+        return Column(
+          crossAxisAlignment: CrossAxisAlignment.stretch,
+          mainAxisSize: MainAxisSize.min,
+          children: [
+            titleWidget,
+            for (final line in lines)
+              _ScaledLine(text: line, fontSize: kAppointmentBodyFontSize),
+          ],
+        );
+      },
+    );
+  }
+}
+
 /// Renders the appointment title. Scales down to fit the available width via
 /// [FittedBox], but never below [minFontSize] — when even the minimum size
 /// overflows, the text is rendered at [minFontSize] with an ellipsis.