feat: add channel support

2026-06-06 18:17:38 +08:00 · 2025-08-23 01:31:06 +08:00
parent 24cc479a56
commit 4947978f81
12 changed files with 459 additions and 65 deletions
--- a/frontend_nuxt/pages/message-box/[id].vue
+++ b/frontend_nuxt/pages/message-box/[id].vue
@@ -1,10 +1,12 @@
 <template>
  <div class="chat-container">
-    <div v-if="!loading && otherParticipant" class="chat-header">
+    <div v-if="!loading" class="chat-header">
      <NuxtLink to="/message-box" class="back-button">
        <i class="fas fa-arrow-left"></i>
      </NuxtLink>
-      <h2 class="participant-name">{{ otherParticipant.username }}</h2>
+      <h2 class="participant-name">
+        {{ isChannel ? conversationName : otherParticipant?.username }}
+      </h2>
    </div>

    <div class="messages-list" ref="messagesListEl">
@@ -86,11 +88,13 @@ const currentPage = ref(0)
 const totalPages = ref(0)
 const loadingMore = ref(false)
 let scrollInterval = null
+const conversationName = ref('')
+const isChannel = ref(false)

 const hasMoreMessages = computed(() => currentPage.value < totalPages.value - 1)

 const otherParticipant = computed(() => {
-  if (!currentUser.value || participants.value.length === 0) {
+  if (isChannel.value || !currentUser.value || participants.value.length === 0) {
    return null
  }
  return participants.value.find((p) => p.id !== currentUser.value.id)
@@ -136,6 +140,8 @@ async function fetchMessages(page = 0) {

    if (page === 0) {
      participants.value = conversationData.participants
+      conversationName.value = conversationData.name
+      isChannel.value = conversationData.channel
    }

    // Since the backend sorts by descending, we need to reverse for correct chat order
@@ -182,27 +188,40 @@ async function loadMoreMessages() {

 async function sendMessage(content, clearInput) {
  if (!content.trim()) return
-
-  const recipient = otherParticipant.value
-  if (!recipient) {
-    toast.error('无法确定收信人')
-    return
-  }
-
  sending.value = true
  const token = getToken()
  try {
-    const response = await fetch(`${API_BASE_URL}/api/messages`, {
-      method: 'POST',
-      headers: {
-        'Content-Type': 'application/json',
-        Authorization: `Bearer ${token}`,
-      },
-      body: JSON.stringify({
-        recipientId: recipient.id,
-        content: content,
-      }),
-    })
+    let response
+    if (isChannel.value) {
+      response = await fetch(
+        `${API_BASE_URL}/api/messages/conversations/${conversationId}/messages`,
+        {
+          method: 'POST',
+          headers: {
+            'Content-Type': 'application/json',
+            Authorization: `Bearer ${token}`,
+          },
+          body: JSON.stringify({ content }),
+        },
+      )
+    } else {
+      const recipient = otherParticipant.value
+      if (!recipient) {
+        toast.error('无法确定收信人')
+        return
+      }
+      response = await fetch(`${API_BASE_URL}/api/messages`, {
+        method: 'POST',
+        headers: {
+          'Content-Type': 'application/json',
+          Authorization: `Bearer ${token}`,
+        },
+        body: JSON.stringify({
+          recipientId: recipient.id,
+          content: content,
+        }),
+      })
+    }
    if (!response.ok) throw new Error('发送失败')

    const newMessage = await response.json()
--- a/frontend_nuxt/pages/message-box/index.vue
+++ b/frontend_nuxt/pages/message-box/index.vue
@@ -1,55 +1,104 @@
 <template>
  <div class="messages-container">
-    <div v-if="loading" class="loading-message">
-      <l-hatch size="28" stroke="4" speed="3.5" color="var(--primary-color)"></l-hatch>
+    <div class="tabs">
+      <div :class="['tab', { active: activeTab === 'messages' }]" @click="activeTab = 'messages'">
+        站内信
+      </div>
+      <div :class="['tab', { active: activeTab === 'channels' }]" @click="switchToChannels">
+        频道
+      </div>
    </div>

-    <div v-else-if="error" class="error-container">
-      <div class="error-text">{{ error }}</div>
-    </div>
-
-    <div v-if="!loading" class="search-container">
-      <SearchPersonDropdown />
-    </div>
-
-    <div v-if="!loading && conversations.length === 0" class="empty-container">
-      <BasePlaceholder v-if="conversations.length === 0" text="暂无会话" icon="fas fa-inbox" />
-    </div>
-
-    <div
-      v-if="!loading"
-      v-for="convo in conversations"
-      :key="convo.id"
-      class="conversation-item"
-      @click="goToConversation(convo.id)"
-    >
-      <div class="conversation-avatar">
-        <img
-          :src="getOtherParticipant(convo)?.avatar || '/default-avatar.svg'"
-          :alt="getOtherParticipant(convo)?.username || '用户'"
-          class="avatar-img"
-          @error="handleAvatarError"
-        />
+    <div v-if="activeTab === 'messages'">
+      <div v-if="loading" class="loading-message">
+        <l-hatch size="28" stroke="4" speed="3.5" color="var(--primary-color)"></l-hatch>
      </div>

-      <div class="conversation-content">
-        <div class="conversation-header">
-          <div class="participant-name">
-            {{ getOtherParticipant(convo)?.username || '未知用户' }}
-          </div>
-          <div class="message-time">
-            {{ formatTime(convo.lastMessage?.createdAt || convo.createdAt) }}
-          </div>
+      <div v-else-if="error" class="error-container">
+        <div class="error-text">{{ error }}</div>
+      </div>
+
+      <div v-if="!loading" class="search-container">
+        <SearchPersonDropdown />
+      </div>
+
+      <div v-if="!loading && conversations.length === 0" class="empty-container">
+        <BasePlaceholder v-if="conversations.length === 0" text="暂无会话" icon="fas fa-inbox" />
+      </div>
+
+      <div
+        v-if="!loading"
+        v-for="convo in conversations"
+        :key="convo.id"
+        class="conversation-item"
+        @click="goToConversation(convo.id)"
+      >
+        <div class="conversation-avatar">
+          <img
+            :src="getOtherParticipant(convo)?.avatar || '/default-avatar.svg'"
+            :alt="getOtherParticipant(convo)?.username || '用户'"
+            class="avatar-img"
+            @error="handleAvatarError"
+          />
        </div>

-        <div class="last-message-row">
-          <div class="last-message">
-            {{
-              convo.lastMessage ? stripMarkdownLength(convo.lastMessage.content, 100) : '暂无消息'
-            }}
+        <div class="conversation-content">
+          <div class="conversation-header">
+            <div class="participant-name">
+              {{ getOtherParticipant(convo)?.username || '未知用户' }}
+            </div>
+            <div class="message-time">
+              {{ formatTime(convo.lastMessage?.createdAt || convo.createdAt) }}
+            </div>
          </div>
-          <div v-if="convo.unreadCount > 0" class="unread-count-badge">
-            {{ convo.unreadCount }}
+
+          <div class="last-message-row">
+            <div class="last-message">
+              {{
+                convo.lastMessage ? stripMarkdownLength(convo.lastMessage.content, 100) : '暂无消息'
+              }}
+            </div>
+            <div v-if="convo.unreadCount > 0" class="unread-count-badge">
+              {{ convo.unreadCount }}
+            </div>
+          </div>
+        </div>
+      </div>
+    </div>
+
+    <div v-else>
+      <div v-if="loadingChannels" class="loading-message">
+        <l-hatch size="28" stroke="4" speed="3.5" color="var(--primary-color)"></l-hatch>
+      </div>
+      <div v-else>
+        <div v-if="channels.length === 0" class="empty-container">
+          <BasePlaceholder text="暂无频道" icon="fas fa-inbox" />
+        </div>
+        <div
+          v-for="ch in channels"
+          :key="ch.id"
+          class="conversation-item"
+          @click="goToChannel(ch.id)"
+        >
+          <div class="conversation-avatar">
+            <img
+              :src="ch.avatar || '/default-avatar.svg'"
+              :alt="ch.name"
+              class="avatar-img"
+              @error="handleAvatarError"
+            />
+          </div>
+          <div class="conversation-content">
+            <div class="conversation-header">
+              <div class="participant-name">
+                {{ ch.name }}
+                <span v-if="ch.unreadCount > 0" class="unread-dot"></span>
+              </div>
+              <div class="message-time">成员 {{ ch.memberCount }}</div>
+            </div>
+            <div class="last-message-row">
+              <div class="last-message">{{ ch.description }}</div>
+            </div>
          </div>
        </div>
      </div>
@@ -80,6 +129,10 @@ const { connect, disconnect, subscribe, isConnected } = useWebSocket()
 const { fetchUnreadCount: refreshGlobalUnreadCount } = useUnreadCount()
 let subscription = null

+const activeTab = ref('messages')
+const channels = ref([])
+const loadingChannels = ref(false)
+
 async function fetchConversations() {
  const token = getToken()
  if (!token) {
@@ -120,6 +173,50 @@ function handleAvatarError(event) {
  event.target.src = '/default-avatar.svg'
 }

+async function fetchChannels() {
+  const token = getToken()
+  if (!token) {
+    toast.error('请先登录')
+    return
+  }
+  loadingChannels.value = true
+  try {
+    const response = await fetch(`${API_BASE_URL}/api/channels`, {
+      headers: { Authorization: `Bearer ${token}` },
+    })
+    if (!response.ok) throw new Error('无法加载频道')
+    channels.value = await response.json()
+  } catch (e) {
+    toast.error(e.message)
+  } finally {
+    loadingChannels.value = false
+  }
+}
+
+function switchToChannels() {
+  activeTab.value = 'channels'
+  if (channels.value.length === 0) {
+    fetchChannels()
+  }
+}
+
+async function goToChannel(id) {
+  const token = getToken()
+  if (!token) {
+    toast.error('请先登录')
+    return
+  }
+  try {
+    await fetch(`${API_BASE_URL}/api/channels/${id}/join`, {
+      method: 'POST',
+      headers: { Authorization: `Bearer ${token}` },
+    })
+    router.push(`/message-box/${id}`)
+  } catch (e) {
+    toast.error(e.message)
+  }
+}
+
 onActivated(async () => {
  loading.value = true
  currentUser.value = await fetchCurrentUser()
@@ -169,6 +266,22 @@ function goToConversation(id) {
  padding: 20px;
 }

+.tabs {
+  display: flex;
+  border-bottom: 1px solid var(--normal-border-color);
+  margin-bottom: 16px;
+}
+
+.tab {
+  padding: 8px 16px;
+  cursor: pointer;
+}
+
+.tab.active {
+  font-weight: 600;
+  border-bottom: 2px solid var(--primary-color);
+}
+
 .loading-message {
  display: flex;
  justify-content: center;
@@ -291,6 +404,15 @@ function goToConversation(id) {
  flex-shrink: 0;
 }

+.unread-dot {
+  display: inline-block;
+  width: 8px;
+  height: 8px;
+  background-color: #f56c6c;
+  border-radius: 50%;
+  margin-left: 4px;
+}
+
 /* 响应式设计 */
@media (max-width: 768px) {
  .messages-container {