feat(announcements): Add support for archived announcements and add past announcement section in UI (#1382)

* feat(announcements): Add support for archived announcements and add past announcement section in UI

* Add missing field

README.md

@@ -528,12 +528,15 @@ Here are some examples of conditions you can use:
 ### Announcements
 System-wide announcements allow you to display important messages at the top of the status page. These can be used to inform users about planned maintenance, ongoing issues, or general information.
 
-| Parameter                   | Description                                                                                   | Default  |
-|:----------------------------|:----------------------------------------------------------------------------------------------|:---------|
-| `announcements`             | List of announcements to display                                                              | `[]`     |
-| `announcements[].timestamp` | UTC timestamp when the announcement was made (RFC3339 format)                                 | Required |
-| `announcements[].type`      | Type of announcement. Valid values: `outage`, `warning`, `information`, `operational`, `none` | `"none"` |
-| `announcements[].message`   | The message to display to users                                                               | Required |
+This is essentially what some status page calls "incident communications".
+
+| Parameter                   | Description                                                                                                              | Default  |
+|:----------------------------|:-------------------------------------------------------------------------------------------------------------------------|:---------|
+| `announcements`             | List of announcements to display                                                                                         | `[]`     |
+| `announcements[].timestamp` | UTC timestamp when the announcement was made (RFC3339 format)                                                            | Required |
+| `announcements[].type`      | Type of announcement. Valid values: `outage`, `warning`, `information`, `operational`, `none`                            | `"none"` |
+| `announcements[].message`   | The message to display to users                                                                                          | Required |
+| `announcements[].archived`  | Whether to archive the announcement. Archived announcements show at the bottom of the status page instead of at the top. | `false`  |
 
 Types:
 - **outage**: Indicates service disruptions or critical issues (red theme)
@@ -545,17 +548,24 @@ Types:
 Example Configuration:
 ```yaml
 announcements:
-  - timestamp: 2025-08-15T14:00:00Z
+  - timestamp: 2025-11-07T14:00:00Z
     type: outage
     message: "Scheduled maintenance on database servers from 14:00 to 16:00 UTC"
-  - timestamp: 2025-08-15T16:15:00Z
+  - timestamp: 2025-11-07T16:15:00Z
     type: operational
     message: "Database maintenance completed successfully. All systems operational."
-  - timestamp: 2025-08-15T12:00:00Z
+  - timestamp: 2025-11-07T12:00:00Z
     type: information
     message: "New monitoring dashboard features will be deployed next week"
+  - timestamp: 2025-11-06T09:00:00Z
+    type: warning
+    message: "Elevated API response times observed for US customers"
+    archived: true
 ```
 
+If at least one announcement is archived, a **Past Announcements** section will be rendered at the bottom of the status page:
+![Gatus past announcements section](.github/assets/past-announcements.jpg)
+
 
 ### Storage
 | Parameter                           | Description                                                                                                                                        | Default    |

config/announcement/announcement.go

@@ -53,6 +53,10 @@ type Announcement struct {
 
 	// Message is the user-facing text describing the announcement
 	Message string `yaml:"message" json:"message"`
+
+	// Archived indicates whether the announcement should be displayed in the historical section
+	// instead of at the top of the status page
+	Archived bool `yaml:"archived,omitempty" json:"archived,omitempty"`
 }
 
 // ValidateAndSetDefaults validates the announcement and sets default values if necessary

config/announcement/announcement_test.go

@@ -0,0 +1,241 @@
+package announcement
+
+import (
+	"errors"
+	"testing"
+	"time"
+)
+
+func TestAnnouncement_ValidateAndSetDefaults(t *testing.T) {
+	now := time.Now()
+	scenarios := []struct {
+		name          string
+		announcement  *Announcement
+		expectedError error
+		expectedType  string
+	}{
+		{
+			name: "valid-announcement-with-all-fields",
+			announcement: &Announcement{
+				Timestamp: now,
+				Type:      TypeWarning,
+				Message:   "This is a test announcement",
+				Archived:  false,
+			},
+			expectedError: nil,
+			expectedType:  TypeWarning,
+		},
+		{
+			name: "valid-announcement-with-archived-true",
+			announcement: &Announcement{
+				Timestamp: now,
+				Type:      TypeOperational,
+				Message:   "This is an archived announcement",
+				Archived:  true,
+			},
+			expectedError: nil,
+			expectedType:  TypeOperational,
+		},
+		{
+			name: "valid-announcement-with-empty-type-should-default-to-none",
+			announcement: &Announcement{
+				Timestamp: now,
+				Message:   "This announcement has no type",
+			},
+			expectedError: nil,
+			expectedType:  TypeNone,
+		},
+		{
+			name: "invalid-announcement-with-empty-message",
+			announcement: &Announcement{
+				Timestamp: now,
+				Type:      TypeWarning,
+				Message:   "",
+			},
+			expectedError: ErrEmptyMessage,
+		},
+		{
+			name: "invalid-announcement-with-zero-timestamp",
+			announcement: &Announcement{
+				Timestamp: time.Time{},
+				Type:      TypeWarning,
+				Message:   "Test message",
+			},
+			expectedError: ErrMissingTimestamp,
+		},
+		{
+			name: "invalid-announcement-with-invalid-type",
+			announcement: &Announcement{
+				Timestamp: now,
+				Type:      "invalid-type",
+				Message:   "Test message",
+			},
+			expectedError: ErrInvalidAnnouncementType,
+		},
+	}
+	for _, scenario := range scenarios {
+		t.Run(scenario.name, func(t *testing.T) {
+			err := scenario.announcement.ValidateAndSetDefaults()
+			if !errors.Is(err, scenario.expectedError) {
+				t.Errorf("expected error %v, got %v", scenario.expectedError, err)
+			}
+			if scenario.expectedError == nil && scenario.announcement.Type != scenario.expectedType {
+				t.Errorf("expected type %s, got %s", scenario.expectedType, scenario.announcement.Type)
+			}
+		})
+	}
+}
+
+func TestAnnouncement_ValidateAndSetDefaults_AllTypes(t *testing.T) {
+	now := time.Now()
+	validTypes := []string{TypeOutage, TypeWarning, TypeInformation, TypeOperational, TypeNone}
+	for _, validType := range validTypes {
+		t.Run("type-"+validType, func(t *testing.T) {
+			announcement := &Announcement{
+				Timestamp: now,
+				Type:      validType,
+				Message:   "Test message",
+			}
+			if err := announcement.ValidateAndSetDefaults(); err != nil {
+				t.Errorf("expected no error for type %s, got %v", validType, err)
+			}
+			if announcement.Type != validType {
+				t.Errorf("expected type %s, got %s", validType, announcement.Type)
+			}
+		})
+	}
+}
+
+func TestSortByTimestamp(t *testing.T) {
+	now := time.Now()
+	earlier := now.Add(-1 * time.Hour)
+	later := now.Add(1 * time.Hour)
+	announcements := []*Announcement{
+		{Timestamp: now, Message: "now"},
+		{Timestamp: later, Message: "later"},
+		{Timestamp: earlier, Message: "earlier"},
+	}
+	SortByTimestamp(announcements)
+	if announcements[0].Timestamp != later {
+		t.Error("expected first announcement to be the latest")
+	}
+	if announcements[1].Timestamp != now {
+		t.Error("expected second announcement to be the middle one")
+	}
+	if announcements[2].Timestamp != earlier {
+		t.Error("expected third announcement to be the earliest")
+	}
+}
+
+func TestSortByTimestamp_WithArchivedField(t *testing.T) {
+	now := time.Now()
+	earlier := now.Add(-1 * time.Hour)
+	later := now.Add(1 * time.Hour)
+	announcements := []*Announcement{
+		{Timestamp: now, Message: "now", Archived: false},
+		{Timestamp: later, Message: "later", Archived: true},
+		{Timestamp: earlier, Message: "earlier", Archived: false},
+	}
+	SortByTimestamp(announcements)
+	// Sorting should be by timestamp only, not affected by archived status
+	if announcements[0].Timestamp != later {
+		t.Error("expected first announcement to be the latest, regardless of archived status")
+	}
+	if !announcements[0].Archived {
+		t.Error("expected first announcement to be archived")
+	}
+	if announcements[1].Timestamp != now {
+		t.Error("expected second announcement to be the middle one")
+	}
+	if announcements[2].Timestamp != earlier {
+		t.Error("expected third announcement to be the earliest")
+	}
+}
+
+func TestValidateAndSetDefaults_Slice(t *testing.T) {
+	now := time.Now()
+	scenarios := []struct {
+		name           string
+		announcements  []*Announcement
+		expectedError  error
+		shouldValidate bool
+	}{
+		{
+			name: "all-valid-announcements",
+			announcements: []*Announcement{
+				{Timestamp: now, Type: TypeWarning, Message: "First announcement"},
+				{Timestamp: now, Type: TypeOperational, Message: "Second announcement"},
+			},
+			expectedError:  nil,
+			shouldValidate: true,
+		},
+		{
+			name: "mixed-archived-announcements",
+			announcements: []*Announcement{
+				{Timestamp: now, Type: TypeWarning, Message: "Active announcement", Archived: false},
+				{Timestamp: now, Type: TypeOperational, Message: "Archived announcement", Archived: true},
+			},
+			expectedError:  nil,
+			shouldValidate: true,
+		},
+		{
+			name: "one-invalid-announcement-in-slice",
+			announcements: []*Announcement{
+				{Timestamp: now, Type: TypeWarning, Message: "Valid announcement"},
+				{Timestamp: now, Type: TypeOperational, Message: ""},
+			},
+			expectedError:  ErrEmptyMessage,
+			shouldValidate: false,
+		},
+		{
+			name: "announcement-with-missing-timestamp",
+			announcements: []*Announcement{
+				{Timestamp: now, Type: TypeWarning, Message: "Valid announcement"},
+				{Timestamp: time.Time{}, Type: TypeOperational, Message: "Invalid announcement"},
+			},
+			expectedError:  ErrMissingTimestamp,
+			shouldValidate: false,
+		},
+		{
+			name: "announcement-with-invalid-type",
+			announcements: []*Announcement{
+				{Timestamp: now, Type: TypeWarning, Message: "Valid announcement"},
+				{Timestamp: now, Type: "bad-type", Message: "Invalid announcement"},
+			},
+			expectedError:  ErrInvalidAnnouncementType,
+			shouldValidate: false,
+		},
+	}
+	for _, scenario := range scenarios {
+		t.Run(scenario.name, func(t *testing.T) {
+			err := ValidateAndSetDefaults(scenario.announcements)
+			if !errors.Is(err, scenario.expectedError) {
+				t.Errorf("expected error %v, got %v", scenario.expectedError, err)
+			}
+		})
+	}
+}
+
+func TestAnnouncement_ArchivedFieldDefaults(t *testing.T) {
+	now := time.Now()
+	announcement := &Announcement{
+		Timestamp: now,
+		Type:      TypeWarning,
+		Message:   "Test announcement",
+		// Archived not set, should default to false
+	}
+	if err := announcement.ValidateAndSetDefaults(); err != nil {
+		t.Errorf("expected no error, got %v", err)
+	}
+	// Zero value for bool is false
+	if announcement.Archived {
+		t.Error("expected Archived to default to false")
+	}
+}
+
+func TestValidateAndSetDefaults_EmptySlice(t *testing.T) {
+	announcements := []*Announcement{}
+	if err := ValidateAndSetDefaults(announcements); err != nil {
+		t.Errorf("expected no error for empty slice, got %v", err)
+	}
+}

go.mod

@@ -96,7 +96,6 @@ require (
 	golang.org/x/text v0.30.0 // indirect
 	golang.org/x/tools v0.37.0 // indirect
 	google.golang.org/genproto/googleapis/rpc v0.0.0-20251002232023-7c0ddcbb5797 // indirect
-	google.golang.org/grpc v1.75.1 // indirect
 	google.golang.org/protobuf v1.36.10 // indirect
 	gopkg.in/alexcesaro/quotedprintable.v3 v3.0.0-20150716171945-2caba252f4dc // indirect
 	modernc.org/libc v1.66.10 // indirect

web/app/src/components/AnnouncementBanner.vue

@@ -47,7 +47,7 @@
               <!-- Date Header -->
               <div class="flex items-center gap-3 mb-2 relative">
                 <div class="relative z-10 bg-white dark:bg-gray-800 px-2 py-1 rounded-md border border-gray-200 dark:border-gray-600">
-                  <time class="text-xs font-medium text-gray-600 dark:text-gray-300">
+                  <time class="text-sm font-medium text-gray-600 dark:text-gray-300">
                     {{ formatDate(date) }}
                   </time>
                 </div>
@@ -94,25 +94,25 @@
                   ></div>
 
                   <!-- Announcement Card -->
-                  <div 
+                  <div
                     :class="[
                       'rounded-md border p-3 transition-all duration-200 hover:shadow-sm',
                       getTypeClasses(announcement.type).background
                     ]"
                   >
-                    <div class="flex items-center justify-between gap-3">
-                      <div class="flex-1 min-w-0">
-                        <p class="text-sm leading-relaxed text-gray-900 dark:text-gray-100">{{ announcement.message }}</p>
-                      </div>
-                      <time 
+                    <div class="flex items-center gap-3">
+                      <time
                         :class="[
-                          'text-xs font-mono whitespace-nowrap',
+                          'text-sm font-mono whitespace-nowrap flex-shrink-0',
                           getTypeClasses(announcement.type).text
                         ]"
                         :title="formatFullTimestamp(announcement.timestamp)"
                       >
                         {{ formatTime(announcement.timestamp) }}
                       </time>
+                      <div class="flex-1 min-w-0">
+                        <p class="text-sm leading-relaxed text-gray-900 dark:text-gray-100">{{ announcement.message }}</p>
+                      </div>
                     </div>
                   </div>
                 </div>

web/app/src/components/PastAnnouncements.vue

@@ -0,0 +1,210 @@
+<template>
+  <div v-if="announcements && announcements.length" class="past-announcements">
+    <h2 class="text-2xl font-semibold text-foreground mb-6">Past Announcements</h2>
+
+    <div class="space-y-8">
+      <div
+        v-for="(group, date) in displayedAnnouncements"
+        :key="date"
+      >
+        <!-- Date Header -->
+        <div class="mb-3">
+          <h3 class="text-sm font-semibold text-muted-foreground uppercase tracking-wider">
+            {{ formatDate(date) }}
+          </h3>
+        </div>
+
+        <!-- Announcements for this date or empty state -->
+        <div v-if="group.length > 0" class="space-y-3">
+          <div
+            v-for="(announcement, index) in group"
+            :key="`${date}-${index}-${announcement.timestamp}`"
+            :class="[
+              'border-l-4 p-4 transition-all duration-200',
+              getTypeClasses(announcement.type).background,
+              getTypeClasses(announcement.type).borderColor
+            ]"
+          >
+            <div class="flex items-start gap-3">
+              <component
+                :is="getTypeIcon(announcement.type)"
+                :class="['w-5 h-5 flex-shrink-0 mt-0.5', getTypeClasses(announcement.type).iconColor]"
+              />
+              <time
+                :class="[
+                  'text-sm font-mono whitespace-nowrap flex-shrink-0 mt-0.5',
+                  getTypeClasses(announcement.type).text
+                ]"
+                :title="formatFullTimestamp(announcement.timestamp)"
+              >
+                {{ formatTime(announcement.timestamp) }}
+              </time>
+              <div class="flex-1 min-w-0">
+                <p class="text-sm leading-relaxed text-gray-900 dark:text-gray-100">
+                  {{ announcement.message }}
+                </p>
+              </div>
+            </div>
+          </div>
+        </div>
+
+        <!-- Empty state for dates without announcements -->
+        <div v-else class="py-2">
+          <p class="text-sm italic text-muted-foreground/60">
+            No incidents reported on this day
+          </p>
+        </div>
+      </div>
+
+      <!-- View Older Announcements Link -->
+      <div v-if="hasOlderAnnouncements && !showAllAnnouncements">
+        <button @click="showAllAnnouncements = true" class="inline-flex items-center gap-2 text-sm font-medium text-blue-600 dark:text-blue-400 hover:text-blue-700 dark:hover:text-blue-300 transition-colors duration-200 cursor-pointer group">
+          <ChevronDown class="w-4 h-4 group-hover:translate-y-0.5 transition-transform duration-200" />
+          <span class="group-hover:underline">View older announcements</span>
+        </button>
+      </div>
+    </div>
+  </div>
+</template>
+
+<script setup>
+import { ref, computed } from 'vue'
+import { XCircle, AlertTriangle, Info, CheckCircle, Circle, ChevronDown } from 'lucide-vue-next'
+
+// Props
+const props = defineProps({
+  announcements: {
+    type: Array,
+    default: () => []
+  }
+})
+
+// State
+const showAllAnnouncements = ref(false)
+
+// Type configurations (consistent with AnnouncementBanner)
+const typeConfigs = {
+  outage: {
+    icon: XCircle,
+    background: 'bg-red-50 dark:bg-red-900/20',
+    borderColor: 'border-red-500 dark:border-red-400',
+    iconColor: 'text-red-600 dark:text-red-400',
+    text: 'text-red-700 dark:text-red-300'
+  },
+  warning: {
+    icon: AlertTriangle,
+    background: 'bg-yellow-50 dark:bg-yellow-900/20',
+    borderColor: 'border-yellow-500 dark:border-yellow-400',
+    iconColor: 'text-yellow-600 dark:text-yellow-400',
+    text: 'text-yellow-700 dark:text-yellow-300'
+  },
+  information: {
+    icon: Info,
+    background: 'bg-blue-50 dark:bg-blue-900/20',
+    borderColor: 'border-blue-500 dark:border-blue-400',
+    iconColor: 'text-blue-600 dark:text-blue-400',
+    text: 'text-blue-700 dark:text-blue-300'
+  },
+  operational: {
+    icon: CheckCircle,
+    background: 'bg-green-50 dark:bg-green-900/20',
+    borderColor: 'border-green-500 dark:border-green-400',
+    iconColor: 'text-green-600 dark:text-green-400',
+    text: 'text-green-700 dark:text-green-300'
+  },
+  none: {
+    icon: Circle,
+    background: 'bg-gray-50 dark:bg-gray-800/20',
+    borderColor: 'border-gray-500 dark:border-gray-400',
+    iconColor: 'text-gray-600 dark:text-gray-400',
+    text: 'text-gray-700 dark:text-gray-300'
+  }
+}
+
+// Helper to normalize date to start of day
+const normalizeDate = (date) => {
+  const normalized = new Date(date)
+  normalized.setHours(0, 0, 0, 0)
+  return normalized
+}
+
+// Computed properties
+const displayedAnnouncements = computed(() => {
+  if (!props.announcements?.length) return {}
+
+  // Group announcements by date and find oldest
+  const grouped = {}
+  let oldest = new Date()
+
+  props.announcements.forEach(announcement => {
+    const date = new Date(announcement.timestamp)
+    const key = date.toDateString()
+    grouped[key] = grouped[key] || []
+    grouped[key].push(announcement)
+    if (date < oldest) oldest = date
+  })
+
+  // Calculate date range
+  const today = normalizeDate(new Date())
+  const endDate = showAllAnnouncements.value
+    ? normalizeDate(oldest)
+    : new Date(today.getTime() - 14 * 24 * 60 * 60 * 1000)
+
+  // Build result: today (if has announcements) + yesterday backwards
+  const result = {}
+  const todayKey = today.toDateString()
+  if (grouped[todayKey]) result[todayKey] = grouped[todayKey]
+
+  for (let date = new Date(today.getTime() - 24 * 60 * 60 * 1000); date >= endDate; date.setDate(date.getDate() - 1)) {
+    result[date.toDateString()] = grouped[date.toDateString()] || []
+  }
+
+  return result
+})
+
+// Check if there are announcements older than 14 days
+const hasOlderAnnouncements = computed(() => {
+  if (!props.announcements?.length) return false
+  const fourteenDaysAgo = new Date(normalizeDate(new Date()).getTime() - 14 * 24 * 60 * 60 * 1000)
+  return props.announcements.some(a => new Date(a.timestamp) < fourteenDaysAgo)
+})
+
+// Helper functions
+const getTypeIcon = (type) => {
+  return typeConfigs[type]?.icon || Circle
+}
+
+const getTypeClasses = (type) => {
+  return typeConfigs[type] || typeConfigs.none
+}
+
+const formatDate = (dateString) => {
+  const date = new Date(dateString)
+  return date.toLocaleDateString('en-US', {
+    weekday: 'long',
+    year: 'numeric',
+    month: 'long',
+    day: 'numeric'
+  })
+}
+
+const formatTime = (timestamp) => {
+  return new Date(timestamp).toLocaleTimeString('en-US', {
+    hour: '2-digit',
+    minute: '2-digit',
+    hour12: false
+  })
+}
+
+const formatFullTimestamp = (timestamp) => {
+  return new Date(timestamp).toLocaleString('en-US', {
+    year: 'numeric',
+    month: 'long',
+    day: 'numeric',
+    hour: '2-digit',
+    minute: '2-digit',
+    second: '2-digit',
+    timeZoneName: 'short'
+  })
+}
+</script>

web/app/src/views/Home.vue

@@ -22,8 +22,8 @@
             </Button>
           </div>
         </div>
-        <!-- Announcement Banner -->
-        <AnnouncementBanner :announcements="props.announcements" />
+        <!-- Announcement Banner (Active Announcements) -->
+        <AnnouncementBanner :announcements="activeAnnouncements" />
         <!-- Search bar -->
         <SearchBar
           @search="handleSearch"
@@ -170,6 +170,11 @@
           </Button>
         </div>
       </div>
+
+      <!-- Past Announcements Section -->
+      <div v-if="archivedAnnouncements.length > 0" class="mt-12 pb-8">
+        <PastAnnouncements :announcements="archivedAnnouncements" />
+      </div>
     </div>
 
     <Settings @refreshData="fetchData" />
@@ -187,6 +192,7 @@ import SearchBar from '@/components/SearchBar.vue'
 import Settings from '@/components/Settings.vue'
 import Loading from '@/components/Loading.vue'
 import AnnouncementBanner from '@/components/AnnouncementBanner.vue'
+import PastAnnouncements from '@/components/PastAnnouncements.vue'
 import { SERVER_URL } from '@/main.js'
 
 const props = defineProps({
@@ -196,6 +202,15 @@ const props = defineProps({
   }
 })
 
+// Computed properties for active and archived announcements
+const activeAnnouncements = computed(() => {
+  return props.announcements ? props.announcements.filter(a => !a.archived) : []
+})
+
+const archivedAnnouncements = computed(() => {
+  return props.announcements ? props.announcements.filter(a => a.archived) : []
+})
+
 const emit = defineEmits(['showTooltip'])
 
 const endpointStatuses = ref([])