feat(chat): add consultation progress and personal diet status

related to #1115

lib/features/chat/presentation/utils/chat_banner_resolver.dart

@@ -0,0 +1,52 @@
+import 'package:eatvio_app/features/chat/presentation/widgets/notification_banner.dart';
+import 'package:eatvio_app/features/consultations/models/consultation_progress.dart';
+import 'package:eatvio_app/features/plans/enums/chosen_plan_state_enum.dart';
+
+BannerType? resolveChatBanner({
+  required ConsultationProgress? progress,
+  required bool amIConsultant,
+  required bool hasCard,
+  required ChosenPlanStateEnum? state,
+}) {
+  if (progress == null ||
+      state == null ||
+      progress.phase != ConsultationPhase.active) {
+    return null;
+  }
+
+  if (amIConsultant &&
+      !hasCard &&
+      state == ChosenPlanStateEnum.stateInCoordination) {
+    return BannerType.card;
+  }
+  if (amIConsultant && state == ChosenPlanStateEnum.stateInCoordination) {
+    return BannerType.date;
+  }
+  if (!amIConsultant &&
+      (state == ChosenPlanStateEnum.stateStartDateHasBeenSet ||
+          state == ChosenPlanStateEnum.statePendingPayment)) {
+    return BannerType.payment;
+  }
+  if (state == ChosenPlanStateEnum.stateDone && amIConsultant) {
+    return BannerType.collectCharge;
+  }
+  if (state == ChosenPlanStateEnum.stateLastDayFinished && !amIConsultant) {
+    return BannerType.finishPlan;
+  }
+  if (!amIConsultant) {
+    return null;
+  }
+
+  if (state == ChosenPlanStateEnum.statePaid &&
+      progress.dietStatus == PersonalDietStatus.notProposed) {
+    return BannerType.setPersonalDiet;
+  }
+  if ((state == ChosenPlanStateEnum.personalDietSet ||
+          state == ChosenPlanStateEnum.stateStarted ||
+          state == ChosenPlanStateEnum.stateInProgress) &&
+      progress.dietStatus == PersonalDietStatus.proposed) {
+    return BannerType.changePersonalDiet;
+  }
+
+  return null;
+}