From 866fec6ee37df142082127e08506d0e6f311a485 Mon Sep 17 00:00:00 2001
From: alger <algerkc@qq.com>
Date: Sat, 11 Jan 2025 18:38:34 +0800
Subject: [PATCH] =?UTF-8?q?=E2=9C=A8=20feat:=20=E4=BC=98=E5=8C=96=E6=94=B6?=
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MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 src/renderer/components/common/SongItem.vue |  20 +-
 src/renderer/store/index.ts                 |  68 +++---
 src/renderer/views/favorite/index.vue       | 225 +++++++++++++++++++-
 3 files changed, 279 insertions(+), 34 deletions(-)

diff --git a/src/renderer/components/common/SongItem.vue b/src/renderer/components/common/SongItem.vue
index 9463a65..4eea640 100644
--- a/src/renderer/components/common/SongItem.vue
+++ b/src/renderer/components/common/SongItem.vue
@@ -4,6 +4,9 @@
     :class="{ 'song-mini': mini, 'song-list': list }"
     @contextmenu.prevent="handleContextMenu"
   >
+    <div v-if="selectable" class="song-item-select" @click.stop="toggleSelect">
+      <n-checkbox :checked="selected" />
+    </div>
     <n-image
       v-if="item.picUrl"
       ref="songImg"
@@ -93,11 +96,15 @@ const props = withDefaults(
     mini?: boolean;
     list?: boolean;
     favorite?: boolean;
+    selectable?: boolean;
+    selected?: boolean;
   }>(),
   {
     mini: false,
     list: false,
-    favorite: true
+    favorite: true,
+    selectable: false,
+    selected: false
   }
 );
 
@@ -191,7 +198,7 @@ const downloadMusic = async () => {
   }
 };
 
-const emits = defineEmits(['play']);
+const emits = defineEmits(['play', 'select']);
 const songImageRef = useTemplateRef('songImg');
 
 const imageLoad = async () => {
@@ -236,6 +243,11 @@ const toggleFavorite = async (e: Event) => {
     store.commit('addToFavorite', props.item.id);
   }
 };
+
+// 切换选择状态
+const toggleSelect = () => {
+  emits('select', props.item.id, !props.selected);
+};
 </script>
 
 <style lang="scss" scoped>
@@ -308,6 +320,10 @@ const toggleFavorite = async (e: Event) => {
       }
     }
   }
+
+  &-select {
+    @apply mr-3 cursor-pointer;
+  }
 }
 
 .song-mini {
diff --git a/src/renderer/store/index.ts b/src/renderer/store/index.ts
index 1a93915..255ea9e 100644
--- a/src/renderer/store/index.ts
+++ b/src/renderer/store/index.ts
@@ -103,23 +103,33 @@ const mutations = {
     }
   },
   async addToFavorite(state: State, songId: number) {
-    try {
-      state.user && localStorage.getItem('token') && (await likeSong(songId, true));
-      if (!state.favoriteList.includes(songId)) {
-        state.favoriteList = [songId, ...state.favoriteList];
-        localStorage.setItem('favoriteList', JSON.stringify(state.favoriteList));
+    // 先添加到本地
+    if (!state.favoriteList.includes(songId)) {
+      state.favoriteList = [songId, ...state.favoriteList];
+      localStorage.setItem('favoriteList', JSON.stringify(state.favoriteList));
+    }
+
+    // 如果用户已登录，尝试同步到服务器
+    if (state.user && localStorage.getItem('token')) {
+      try {
+        await likeSong(songId, true);
+      } catch (error) {
+        console.error('同步收藏到服务器失败，但已保存在本地:', error);
       }
-    } catch (error) {
-      console.error('收藏歌曲失败:', error);
     }
   },
   async removeFromFavorite(state: State, songId: number) {
-    try {
-      state.user && localStorage.getItem('token') && (await likeSong(songId, false));
-      state.favoriteList = state.favoriteList.filter((id) => id !== songId);
-      localStorage.setItem('favoriteList', JSON.stringify(state.favoriteList));
-    } catch (error) {
-      console.error('取消收藏歌曲失败:', error);
+    // 先从本地移除
+    state.favoriteList = state.favoriteList.filter((id) => id !== songId);
+    localStorage.setItem('favoriteList', JSON.stringify(state.favoriteList));
+
+    // 如果用户已登录，尝试同步到服务器
+    if (state.user && localStorage.getItem('token')) {
+      try {
+        await likeSong(songId, false);
+      } catch (error) {
+        console.error('同步取消收藏到服务器失败，但已在本地移除:', error);
+      }
     }
   },
   togglePlayMode(state: State) {
@@ -161,22 +171,32 @@ const actions = {
     applyTheme(state.theme);
   },
   async initializeFavoriteList({ state }: { state: State }) {
-    try {
-      if (state.user && localStorage.getItem('token')) {
+    // 先获取本地收藏列表
+    const localFavoriteList = localStorage.getItem('favoriteList');
+    const localList: number[] = localFavoriteList ? JSON.parse(localFavoriteList) : [];
+
+    // 如果用户已登录，尝试获取服务器收藏列表并合并
+    if (state.user && localStorage.getItem('token')) {
+      try {
         const res = await getLikedList();
         if (res.data?.ids) {
-          state.favoriteList = res.data.ids.reverse();
-          localStorage.setItem('favoriteList', JSON.stringify(state.favoriteList));
-        }
-      } else {
-        const localFavoriteList = localStorage.getItem('favoriteList');
-        if (localFavoriteList) {
-          state.favoriteList = JSON.parse(localFavoriteList);
+          // 合并本地和服务器的收藏列表，去重
+          const serverList = res.data.ids.reverse();
+          const mergedList = Array.from(new Set([...localList, ...serverList]));
+          state.favoriteList = mergedList;
+        } else {
+          state.favoriteList = localList;
         }
+      } catch (error) {
+        console.error('获取服务器收藏列表失败，使用本地数据:', error);
+        state.favoriteList = localList;
       }
-    } catch (error) {
-      console.error('获取收藏列表失败:', error);
+    } else {
+      state.favoriteList = localList;
     }
+
+    // 更新本地存储
+    localStorage.setItem('favoriteList', JSON.stringify(state.favoriteList));
   }
 };
 
diff --git a/src/renderer/views/favorite/index.vue b/src/renderer/views/favorite/index.vue
index fd78911..5db4206 100644
--- a/src/renderer/views/favorite/index.vue
+++ b/src/renderer/views/favorite/index.vue
@@ -1,8 +1,51 @@
 <template>
   <div v-if="isComponent ? favoriteSongs.length : true" class="favorite-page">
     <div class="favorite-header" :class="setAnimationClass('animate__fadeInLeft')">
-      <h2>我的收藏</h2>
-      <div class="favorite-count">共 {{ favoriteList.length }} 首</div>
+      <div class="favorite-header-left">
+        <h2>我的收藏</h2>
+        <div class="favorite-count">共 {{ favoriteList.length }} 首</div>
+      </div>
+      <div v-if="!isComponent" class="favorite-header-right">
+        <n-button
+          v-if="!isSelecting"
+          secondary
+          type="primary"
+          size="small"
+          class="select-btn"
+          @click="startSelect"
+        >
+          <template #icon>
+            <i class="iconfont ri-checkbox-multiple-line"></i>
+          </template>
+          批量下载
+        </n-button>
+        <div v-else class="select-controls">
+          <n-checkbox
+            class="select-all-checkbox"
+            :checked="isAllSelected"
+            :indeterminate="isIndeterminate"
+            @update:checked="handleSelectAll"
+          >
+            全选
+          </n-checkbox>
+          <n-button-group class="operation-btns">
+            <n-button
+              type="primary"
+              size="small"
+              :loading="isDownloading"
+              :disabled="selectedSongs.length === 0"
+              class="download-btn"
+              @click="handleBatchDownload"
+            >
+              <template #icon>
+                <i class="iconfont ri-download-line"></i>
+              </template>
+              下载 ({{ selectedSongs.length }})
+            </n-button>
+            <n-button size="small" class="cancel-btn" @click="cancelSelect"> 取消 </n-button>
+          </n-button-group>
+        </div>
+      </div>
     </div>
     <div class="favorite-main" :class="setAnimationClass('animate__bounceInRight')">
       <n-scrollbar ref="scrollbarRef" class="favorite-content" @scroll="handleScroll">
@@ -17,7 +60,10 @@
             :favorite="!isComponent"
             :class="setAnimationClass('animate__bounceInLeft')"
             :style="getItemAnimationDelay(index)"
+            :selectable="isSelecting"
+            :selected="selectedSongs.includes(song.id)"
             @play="handlePlay"
+            @select="handleSelect"
           />
           <div v-if="isComponent" class="favorite-list-more text-center">
             <n-button text type="primary" @click="handleMore">查看更多</n-button>
@@ -35,22 +81,112 @@
 </template>
 
 <script setup lang="ts">
+import { useMessage } from 'naive-ui';
 import { computed, onMounted, ref, watch } from 'vue';
 import { useRouter } from 'vue-router';
 import { useStore } from 'vuex';
 
 import { getMusicDetail } from '@/api/music';
 import SongItem from '@/components/common/SongItem.vue';
+import { getSongUrl } from '@/hooks/MusicListHook';
 import type { SongResult } from '@/type/music';
 import { setAnimationClass, setAnimationDelay } from '@/utils';
 
 const store = useStore();
+const message = useMessage();
 const favoriteList = computed(() => store.state.favoriteList);
 const favoriteSongs = ref<SongResult[]>([]);
 const loading = ref(false);
 const noMore = ref(false);
 const scrollbarRef = ref();
 
+// 多选相关
+const isSelecting = ref(false);
+const selectedSongs = ref<number[]>([]);
+const isDownloading = ref(false);
+
+// 开始多选
+const startSelect = () => {
+  isSelecting.value = true;
+  selectedSongs.value = [];
+};
+
+// 取消多选
+const cancelSelect = () => {
+  isSelecting.value = false;
+  selectedSongs.value = [];
+};
+
+// 处理选择
+const handleSelect = (songId: number, selected: boolean) => {
+  if (selected) {
+    selectedSongs.value.push(songId);
+  } else {
+    selectedSongs.value = selectedSongs.value.filter((id) => id !== songId);
+  }
+};
+
+// 批量下载
+const handleBatchDownload = async () => {
+  if (isDownloading.value) {
+    message.warning('正在下载中，请稍候...');
+    return;
+  }
+
+  if (selectedSongs.value.length === 0) {
+    message.warning('请先选择要下载的歌曲');
+    return;
+  }
+
+  try {
+    isDownloading.value = true;
+    const loadingMessage = message.loading('正在下载中...', { duration: 0 });
+    let successCount = 0;
+    let failCount = 0;
+
+    // 移除旧的监听器
+    window.electron.ipcRenderer.removeAllListeners('music-download-complete');
+
+    // 添加新的监听器
+    window.electron.ipcRenderer.on('music-download-complete', (_, result) => {
+      if (result.success) {
+        successCount++;
+      } else if (!result.canceled) {
+        failCount++;
+      }
+
+      // 当所有下载完成时
+      if (successCount + failCount === selectedSongs.value.length) {
+        isDownloading.value = false;
+        loadingMessage.destroy();
+        message.success(`下载完成：成功 ${successCount} 首，失败 ${failCount} 首`);
+        cancelSelect();
+      }
+    });
+
+    // 开始下载选中的歌曲
+    for (const songId of selectedSongs.value) {
+      const song = favoriteSongs.value.find((s) => s.id === songId);
+      if (!song) continue;
+
+      const url = await getSongUrl(song.id, song);
+      if (!url) {
+        failCount++;
+        continue;
+      }
+
+      window.electron.ipcRenderer.send('download-music', {
+        url,
+        filename: `${song.name} - ${(song.ar || song.song?.artists)?.map((a) => a.name).join(',')}`
+      });
+    }
+  } catch (error) {
+    isDownloading.value = false;
+    message.destroyAll();
+    message.error('下载失败');
+  }
+};
+
 // 无限滚动相关
 const pageSize = 16;
 const currentPage = ref(1);
@@ -146,6 +282,26 @@ const router = useRouter();
 const handleMore = () => {
   router.push('/favorite');
 };
+
+// 全选相关
+const isAllSelected = computed(() => {
+  return (
+    favoriteSongs.value.length > 0 && selectedSongs.value.length === favoriteSongs.value.length
+  );
+});
+
+const isIndeterminate = computed(() => {
+  return selectedSongs.value.length > 0 && selectedSongs.value.length < favoriteSongs.value.length;
+});
+
+// 处理全选/取消全选
+const handleSelectAll = (checked: boolean) => {
+  if (checked) {
+    selectedSongs.value = favoriteSongs.value.map((song) => song.id);
+  } else {
+    selectedSongs.value = [];
+  }
+};
 </script>
 
 <style lang="scss" scoped>
@@ -154,15 +310,68 @@ const handleMore = () => {
   @apply bg-light dark:bg-black;
 
   .favorite-header {
-    @apply flex items-center justify-between flex-shrink-0 px-4;
+    @apply flex items-center justify-between flex-shrink-0 px-4 pb-2;
 
-    h2 {
-      @apply text-xl font-bold pb-2;
-      @apply text-gray-900 dark:text-white;
+    &-left {
+      @apply flex items-center gap-4;
+
+      h2 {
+        @apply text-xl font-bold;
+        @apply text-gray-900 dark:text-white;
+      }
+
+      .favorite-count {
+        @apply text-gray-500 dark:text-gray-400 text-sm;
+      }
     }
 
-    .favorite-count {
-      @apply text-gray-500 dark:text-gray-400 text-sm;
+    &-right {
+      @apply flex items-center;
+
+      .select-btn {
+        @apply rounded-full px-4 h-8;
+        @apply transition-all duration-300 ease-in-out;
+        @apply hover:bg-primary hover:text-white;
+        @apply dark:border-gray-600;
+
+        .iconfont {
+          @apply mr-1 text-lg;
+        }
+      }
+
+      .select-controls {
+        @apply flex items-center gap-3;
+        @apply bg-gray-50 dark:bg-gray-800;
+        @apply rounded-full px-3 py-1;
+        @apply border border-gray-200 dark:border-gray-700;
+        @apply transition-all duration-300;
+
+        .select-all-checkbox {
+          @apply text-sm text-gray-900 dark:text-gray-200;
+        }
+
+        .operation-btns {
+          @apply flex items-center gap-2 ml-2;
+
+          .download-btn {
+            @apply rounded-full px-4 h-7;
+            @apply bg-primary text-white;
+            @apply hover:bg-primary-dark;
+            @apply disabled:opacity-50 disabled:cursor-not-allowed;
+
+            .iconfont {
+              @apply mr-1 text-lg;
+            }
+          }
+
+          .cancel-btn {
+            @apply rounded-full px-4 h-7;
+            @apply text-gray-600 dark:text-gray-300;
+            @apply hover:bg-gray-100 dark:hover:bg-gray-700;
+            @apply border-gray-300 dark:border-gray-600;
+          }
+        }
+      }
     }
   }