增加首页推荐

ui/src/components/home/RandomRecommendations.vue

@@ -0,0 +1,350 @@
+<template>
+    <div class="random-recommendations">
+        <div class="container">
+            <div class="section-header">
+                <h2 class="section-title">为你推荐</h2>
+                <div class="header-actions">
+                    <button @click="refreshRecommendations" class="btn btn-secondary btn-small" :disabled="loading">
+                        <svg v-if="!loading" viewBox="0 0 24 24" fill="currentColor" class="refresh-icon">
+                            <path
+                                d="M17.65 6.35C16.2 4.9 14.21 4 12 4c-4.42 0-7.99 3.58-7.99 8s3.57 8 7.99 8c3.73 0 6.84-2.55 7.73-6h-2.08c-.82 2.33-3.04 4-5.65 4-3.31 0-6-2.69-6-6s2.69-6 6-6c1.66 0 3.14.69 4.22 1.78L13 11h7V4l-2.35 2.35z" />
+                        </svg>
+                        <LoadingSpinner v-else text="" />
+                        刷新推荐
+                    </button>
+                </div>
+            </div>
+
+            <div v-if="loading && recommendations.length === 0" class="loading-section">
+                <LoadingSpinner text="正在获取推荐..." />
+            </div>
+
+            <div v-else-if="error" class="error-section">
+                <ErrorMessage :error="error" @dismiss="clearError" />
+            </div>
+
+            <div v-else-if="recommendations.length === 0" class="empty-section">
+                <div class="empty-content">
+                    <svg viewBox="0 0 24 24" fill="currentColor" class="empty-icon">
+                        <path
+                            d="M12 2C6.48 2 2 6.48 2 12s4.48 10 10 10 10-4.48 10-10S17.52 2 12 2zm-2 15l-5-5 1.41-1.41L10 14.17l7.59-7.59L19 8l-9 9z" />
+                    </svg>
+                    <p class="empty-text">暂无推荐内容</p>
+                    <p class="empty-subtext">关注一些作者后，这里会显示他们的最新作品</p>
+                </div>
+            </div>
+
+            <div v-else class="recommendations-grid">
+                <ArtworkCard v-for="artwork in recommendations" :key="artwork.id" :artwork="artwork"
+                    @click="handleArtworkClick" />
+            </div>
+
+            <div v-if="recommendations.length > 0" class="section-footer">
+                <p class="footer-text">
+                    基于你关注的 {{ selectedArtists.length }} 位作者的最新作品推荐
+                </p>
+            </div>
+        </div>
+    </div>
+</template>
+
+<script setup lang="ts">
+import { ref, computed, onMounted, watch } from 'vue';
+import { useRouter } from 'vue-router';
+import { useArtistStore } from '@/stores/artist';
+import artistService from '@/services/artist';
+import type { Artist, Artwork } from '@/types';
+import ArtworkCard from '@/components/artwork/ArtworkCard.vue';
+import LoadingSpinner from '@/components/common/LoadingSpinner.vue';
+import ErrorMessage from '@/components/common/ErrorMessage.vue';
+
+const router = useRouter();
+const artistStore = useArtistStore();
+
+// 状态
+const loading = ref(false);
+const error = ref<string | null>(null);
+const recommendations = ref<Artwork[]>([]);
+const selectedArtists = ref<Artist[]>([]);
+
+// 计算属性
+const hasFollowingArtists = computed(() => artistStore.followingArtists.length > 0);
+
+// 随机选择作者
+const selectRandomArtists = (artists: Artist[], count: number): Artist[] => {
+    if (artists.length <= count) return artists;
+
+    const shuffled = [...artists].sort(() => 0.5 - Math.random());
+    return shuffled.slice(0, count);
+};
+
+// 获取作者最新作品
+const fetchArtistArtworks = async (artist: Artist): Promise<Artwork[]> => {
+    try {
+        const response = await artistService.getArtistArtworks(artist.id, {
+            type: 'art',
+            limit: 3 // 每个作者获取3个最新作品
+        });
+
+        if (response.success && response.data) {
+            return response.data.artworks || [];
+        }
+        return [];
+    } catch (err) {
+        console.error(`获取作者 ${artist.name} 作品失败:`, err);
+        return [];
+    }
+};
+
+// 生成推荐
+const generateRecommendations = async () => {
+    if (!hasFollowingArtists.value) {
+        recommendations.value = [];
+        selectedArtists.value = [];
+        return;
+    }
+
+    try {
+        loading.value = true;
+        error.value = null;
+
+        // 随机选择3-4个作者
+        const artistCount = Math.min(4, Math.max(3, Math.floor(artistStore.followingArtists.length * 0.3)));
+        const randomArtists = selectRandomArtists(artistStore.followingArtists, artistCount);
+        selectedArtists.value = randomArtists;
+
+        // 获取所有作者的最新作品
+        const allArtworks: Artwork[] = [];
+        for (const artist of randomArtists) {
+            const artworks = await fetchArtistArtworks(artist);
+            allArtworks.push(...artworks);
+        }
+
+        // 按创建时间排序，取最新的作品
+        const sortedArtworks = allArtworks
+            .sort((a, b) => new Date(b.create_date).getTime() - new Date(a.create_date).getTime())
+            .slice(0, 12); // 最多显示12个作品
+
+        recommendations.value = sortedArtworks;
+    } catch (err) {
+        error.value = err instanceof Error ? err.message : '获取推荐失败';
+        console.error('生成推荐失败:', err);
+    } finally {
+        loading.value = false;
+    }
+};
+
+// 刷新推荐
+const refreshRecommendations = async () => {
+    await generateRecommendations();
+};
+
+// 处理作品点击
+const handleArtworkClick = (artwork: Artwork) => {
+    router.push(`/artwork/${artwork.id}`);
+};
+
+// 清除错误
+const clearError = () => {
+    error.value = null;
+};
+
+onMounted(async () => {
+    // 如果还没有关注作者数据，先获取
+    if (artistStore.followingArtists.length === 0) {
+        try {
+            await artistStore.fetchFollowingArtists();
+        } catch (err) {
+            console.error('获取关注作者失败:', err);
+        }
+    }
+
+    // 生成推荐
+    await generateRecommendations();
+});
+
+// 监听关注作者列表变化
+watch(() => hasFollowingArtists.value, (newValue) => {
+    if (newValue && recommendations.value.length === 0) {
+        generateRecommendations();
+    }
+});
+</script>
+
+<style scoped>
+.random-recommendations {
+    margin: 2rem 0;
+    padding: 0 2rem;
+}
+
+.random-recommendations .container {
+    max-width: 1200px;
+    margin: 0 auto;
+}
+
+.section-header {
+    display: flex;
+    justify-content: space-between;
+    align-items: center;
+    margin-bottom: 2rem;
+}
+
+.section-title {
+    font-size: 2rem;
+    font-weight: 700;
+    color: #1f2937;
+    margin: 0;
+}
+
+.header-actions {
+    display: flex;
+    gap: 1rem;
+}
+
+.btn {
+    display: inline-flex;
+    align-items: center;
+    justify-content: center;
+    gap: 0.5rem;
+    padding: 0.75rem 1rem;
+    border-radius: 0.5rem;
+    font-weight: 600;
+    text-decoration: none;
+    transition: all 0.2s;
+    border: none;
+    cursor: pointer;
+    font-size: 0.875rem;
+}
+
+.btn:disabled {
+    opacity: 0.6;
+    cursor: not-allowed;
+}
+
+.btn-secondary {
+    background: #f3f4f6;
+    color: #374151;
+    border: 1px solid #d1d5db;
+}
+
+.btn-secondary:hover:not(:disabled) {
+    background: #e5e7eb;
+}
+
+.btn-small {
+    padding: 0.5rem 0.75rem;
+    font-size: 0.75rem;
+}
+
+.refresh-icon {
+    width: 1rem;
+    height: 1rem;
+}
+
+.loading-section {
+    display: flex;
+    justify-content: center;
+    padding: 3rem 0;
+}
+
+.error-section {
+    margin-bottom: 2rem;
+}
+
+.empty-section {
+    text-align: center;
+    padding: 4rem 0;
+}
+
+.empty-content {
+    max-width: 400px;
+    margin: 0 auto;
+}
+
+.empty-icon {
+    width: 4rem;
+    height: 4rem;
+    color: #9ca3af;
+    margin-bottom: 1rem;
+}
+
+.empty-text {
+    font-size: 1.25rem;
+    font-weight: 600;
+    color: #6b7280;
+    margin: 0 0 0.5rem 0;
+}
+
+.empty-subtext {
+    color: #9ca3af;
+    margin: 0;
+    line-height: 1.5;
+}
+
+.recommendations-grid {
+    display: grid;
+    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
+    gap: 1.5rem;
+    margin-bottom: 2rem;
+    max-width: 100%;
+}
+
+/* 确保网格能够更好地填充空间 */
+.recommendations-grid:has(:nth-child(4n)) {
+    grid-template-columns: repeat(4, 1fr);
+}
+
+.recommendations-grid:has(:nth-child(3n)):not(:has(:nth-child(4n))) {
+    grid-template-columns: repeat(3, 1fr);
+}
+
+.recommendations-grid:has(:nth-child(2n)):not(:has(:nth-child(3n))) {
+    grid-template-columns: repeat(2, 1fr);
+}
+
+.section-footer {
+    text-align: center;
+    padding: 1rem 0;
+    border-top: 1px solid #e5e7eb;
+}
+
+.footer-text {
+    color: #6b7280;
+    font-size: 0.875rem;
+    margin: 0;
+}
+
+@media (max-width: 1200px) {
+    .recommendations-grid {
+        grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
+    }
+}
+
+@media (max-width: 768px) {
+    .random-recommendations {
+        padding: 0 1rem;
+    }
+
+    .section-header {
+        flex-direction: column;
+        align-items: flex-start;
+        gap: 1rem;
+    }
+
+    .recommendations-grid {
+        grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
+        gap: 1rem;
+    }
+
+    .section-title {
+        font-size: 1.5rem;
+    }
+}
+
+@media (max-width: 480px) {
+    .recommendations-grid {
+        grid-template-columns: 1fr;
+        gap: 1rem;
+    }
+}
+</style>

ui/src/views/HomeView.vue

@@ -1,6 +1,7 @@
 <script setup lang="ts">
 import { computed, onMounted } from 'vue';
 import { useAuthStore } from '@/stores/auth';
+import RandomRecommendations from '@/components/home/RandomRecommendations.vue';
 
 const authStore = useAuthStore();
 
@@ -35,6 +36,11 @@ onMounted(async () => {
       </div>
     </div>
 
+    <!-- 随机推荐区域 -->
+    <div class="recommendations-section">
+      <RandomRecommendations v-if="isLoggedIn" />
+    </div>
+
     <div class="features-section">
       <div class="container">
         <h2 class="section-title">主要功能</h2>
@@ -207,6 +213,11 @@ onMounted(async () => {
   padding: 0 2rem;
 }
 
+.recommendations-section {
+  padding: 2rem 0;
+  background: white;
+}
+
 .features-section {
   padding: 4rem 0;
   background: #f8fafc;