feat: add edit page

frontend/admin/src/pages/PostCreatePage.vue

@@ -0,0 +1,363 @@
+<script setup>
+import { useToast } from 'primevue/usetoast';
+import { reactive, ref } from 'vue';
+import { useRouter } from 'vue-router';
+
+// PrimeVue components
+import Badge from 'primevue/badge';
+import Button from 'primevue/button';
+import Card from 'primevue/card';
+import Column from 'primevue/column';
+import DataTable from 'primevue/datatable';
+import Dialog from 'primevue/dialog';
+import InputNumber from 'primevue/inputnumber';
+import InputText from 'primevue/inputtext';
+import ProgressSpinner from 'primevue/progressspinner';
+import Textarea from 'primevue/textarea';
+import Toast from 'primevue/toast';
+
+const router = useRouter();
+const toast = useToast();
+
+// Form state
+const post = reactive({
+    title: '',
+    price: 0,
+    introduction: '',
+    selectedMedia: []
+});
+
+// Validation state
+const errors = reactive({
+    title: '',
+    introduction: '',
+    selectedMedia: ''
+});
+
+// Media selection dialog state
+const mediaDialogVisible = ref(false);
+const selectedMediaItems = ref([]);
+const mediaLoading = ref(false);
+const mediaGlobalFilter = ref('');
+
+// Sample media data - in a real app, this would come from an API
+const mediaItems = ref([
+    {
+        id: 1,
+        fileName: 'sunset-beach.jpg',
+        fileType: 'Image',
+        thumbnailUrl: 'https://via.placeholder.com/300x225',
+        fileSize: '2.4 MB',
+        uploadTime: 'Today, 10:30 AM'
+    },
+    {
+        id: 2,
+        fileName: 'presentation.pdf',
+        fileType: 'PDF',
+        thumbnailUrl: null,
+        fileSize: '4.8 MB',
+        uploadTime: 'Yesterday, 3:45 PM'
+    },
+    {
+        id: 3,
+        fileName: 'promo_video.mp4',
+        fileType: 'Video',
+        thumbnailUrl: null,
+        fileSize: '24.8 MB',
+        uploadTime: 'Aug 28, 2023'
+    },
+    {
+        id: 4,
+        fileName: 'report_q3.docx',
+        fileType: 'Document',
+        thumbnailUrl: null,
+        fileSize: '1.2 MB',
+        uploadTime: 'Aug 25, 2023'
+    },
+    {
+        id: 5,
+        fileName: 'podcast_interview.mp3',
+        fileType: 'Audio',
+        thumbnailUrl: null,
+        fileSize: '18.5 MB',
+        uploadTime: 'Aug 20, 2023'
+    }
+]);
+
+// Open media selection dialog
+const openMediaDialog = () => {
+    mediaDialogVisible.value = true;
+    loadMediaItems();
+};
+
+// Load media items
+const loadMediaItems = async () => {
+    mediaLoading.value = true;
+    try {
+        // In a real app, this would be an API call
+        // const response = await mediaApi.getMediaFiles();
+        // mediaItems.value = response.data;
+
+        // Simulate API delay
+        await new Promise(resolve => setTimeout(resolve, 500));
+        // Using sample data already defined above
+    } catch (error) {
+        toast.add({ severity: 'error', summary: '错误', detail: '加载媒体文件失败', life: 3000 });
+    } finally {
+        mediaLoading.value = false;
+    }
+};
+
+// Confirm media selection
+const confirmMediaSelection = () => {
+    if (selectedMediaItems.value.length) {
+        post.selectedMedia = [...selectedMediaItems.value];
+        errors.selectedMedia = '';
+    }
+    mediaDialogVisible.value = false;
+};
+
+// Cancel media selection
+const cancelMediaSelection = () => {
+    mediaDialogVisible.value = false;
+};
+
+// Remove a selected media item
+const removeMedia = (media) => {
+    const index = post.selectedMedia.findIndex(item => item.id === media.id);
+    if (index > -1) {
+        post.selectedMedia.splice(index, 1);
+    }
+};
+
+// Save the post
+const savePost = async () => {
+    // Reset errors
+    Object.keys(errors).forEach(key => errors[key] = '');
+
+    // Validate form
+    let valid = true;
+
+    if (!post.title.trim()) {
+        errors.title = '请填写文章标题';
+        valid = false;
+    }
+
+    if (!post.introduction.trim()) {
+        errors.introduction = '请填写文章介绍';
+        valid = false;
+    }
+
+    if (post.selectedMedia.length === 0) {
+        errors.selectedMedia = '请选择至少一个媒体文件';
+        valid = false;
+    }
+
+    if (!valid) {
+        toast.add({ severity: 'error', summary: '表单错误', detail: '请检查表单中的错误并修正', life: 3000 });
+        return;
+    }
+
+    try {
+        // In a real app, you would call an API to save the post
+        // await postApi.createPost(post);
+
+        // Simulate API delay
+        await new Promise(resolve => setTimeout(resolve, 1000));
+
+        toast.add({ severity: 'success', summary: '成功', detail: '文章已成功创建', life: 3000 });
+
+        // Navigate back to the post list
+        router.push('/posts');
+    } catch (error) {
+        toast.add({ severity: 'error', summary: '错误', detail: '创建文章失败', life: 3000 });
+    }
+};
+
+// Cancel and go back to post list
+const cancelCreate = () => {
+    router.push('/posts');
+};
+
+// File type badge severity mapping
+const getBadgeSeverity = (fileType) => {
+    const map = {
+        'Image': 'info',
+        'PDF': 'danger',
+        'Video': 'warning',
+        'Document': 'primary',
+        'Audio': 'success'
+    };
+    return map[fileType] || 'info';
+};
+
+// File type icon mapping
+const getFileIcon = (file) => {
+    const map = {
+        'Image': 'pi-image',
+        'PDF': 'pi-file-pdf',
+        'Video': 'pi-video',
+        'Document': 'pi-file',
+        'Audio': 'pi-volume-up'
+    };
+    return `pi ${map[file.fileType] || 'pi-file'}`;
+};
+</script>
+
+<template>
+    <Toast />
+
+    <div class="w-full max-w-6xl mx-auto">
+        <div class="flex justify-between items-center mb-6">
+            <h1 class="text-2xl font-bold text-gray-800">创建文章</h1>
+            <div class="flex gap-2">
+                <Button label="取消" icon="pi pi-times" severity="secondary" @click="cancelCreate" />
+                <Button label="保存" icon="pi pi-check" severity="primary" @click="savePost" />
+            </div>
+        </div>
+
+        <Card class="mb-6">
+            <template #content>
+                <div class="grid grid-cols-1 md:grid-cols-2 gap-6">
+                    <!-- Title -->
+                    <div class="col-span-2">
+                        <label for="title" class="block text-sm font-medium text-gray-700 mb-1">标题</label>
+                        <InputText id="title" v-model="post.title" class="w-full p-inputtext-lg" placeholder="输入文章标题" />
+                        <small v-if="errors.title" class="p-error">{{ errors.title }}</small>
+                    </div>
+
+                    <!-- Price -->
+                    <div class="col-span-1">
+                        <label for="price" class="block text-sm font-medium text-gray-700 mb-1">价格 (¥)</label>
+                        <InputNumber id="price" v-model="post.price" mode="currency" currency="CNY"
+                            :minFractionDigits="2" class="w-full" />
+                    </div>
+
+                    <!-- Introduction -->
+                    <div class="col-span-2">
+                        <label for="introduction" class="block text-sm font-medium text-gray-700 mb-1">文章介绍</label>
+                        <Textarea id="introduction" v-model="post.introduction" rows="5" class="w-full"
+                            placeholder="输入文章介绍内容" />
+                        <small v-if="errors.introduction" class="p-error">{{ errors.introduction }}</small>
+                    </div>
+
+                    <!-- Media Selection -->
+                    <div class="col-span-2">
+                        <label class="block text-sm font-medium text-gray-700 mb-1">媒体资源</label>
+                        <div class="p-4 border border-gray-200 rounded-md">
+                            <div v-if="post.selectedMedia.length === 0"
+                                class="flex justify-center items-center flex-col space-y-3 py-6">
+                                <i class="pi pi-image text-gray-400 text-3xl"></i>
+                                <p class="text-gray-500">尚未选择任何媒体文件</p>
+                                <Button label="选择媒体" icon="pi pi-plus" @click="openMediaDialog" outlined />
+                                <small v-if="errors.selectedMedia" class="p-error">{{ errors.selectedMedia }}</small>
+                            </div>
+                            <div v-else>
+                                <div class="mb-4">
+                                    <Button label="添加更多媒体" icon="pi pi-plus" @click="openMediaDialog" outlined />
+                                </div>
+                                <div class="grid grid-cols-1 md:grid-cols-3 gap-3">
+                                    <div v-for="media in post.selectedMedia" :key="media.id"
+                                        class="relative border border-gray-200 rounded-md p-2 flex items-center">
+                                        <div v-if="media.thumbnailUrl" class="flex-shrink-0 h-10 w-10 mr-3">
+                                            <img class="h-10 w-10 object-cover rounded" :src="media.thumbnailUrl"
+                                                :alt="media.fileName">
+                                        </div>
+                                        <div v-else
+                                            class="flex-shrink-0 h-10 w-10 mr-3 bg-gray-100 rounded flex items-center justify-center">
+                                            <i :class="getFileIcon(media)" class="text-2xl"></i>
+                                        </div>
+                                        <div class="flex-1 overflow-hidden">
+                                            <div class="text-sm font-medium text-gray-900 truncate">{{ media.fileName }}
+                                            </div>
+                                            <Badge :value="media.fileType" :severity="getBadgeSeverity(media.fileType)"
+                                                class="text-xs" />
+                                        </div>
+                                        <Button icon="pi pi-times" class="p-button-rounded p-button-text p-button-sm"
+                                            @click="removeMedia(media)" aria-label="移除" />
+                                    </div>
+                                </div>
+                            </div>
+                        </div>
+                    </div>
+                </div>
+            </template>
+        </Card>
+    </div>
+
+    <!-- Media Selection Dialog -->
+    <Dialog v-model:visible="mediaDialogVisible" header="选择媒体" :modal="true" :dismissableMask="true" :closable="true"
+        :style="{ width: '80vw' }" :breakpoints="{ '960px': '90vw' }">
+        <div class="mb-4">
+            <InputText v-model="mediaGlobalFilter" placeholder="搜索媒体..." class="w-full" />
+        </div>
+
+        <DataTable v-model:selection="selectedMediaItems" :value="mediaItems" :loading="mediaLoading" dataKey="id"
+            selectionMode="multiple" :globalFilterFields="['fileName', 'fileType']"
+            :filters="{ global: { value: mediaGlobalFilter, matchMode: 'contains' } }" stripedRows
+            responsiveLayout="scroll">
+
+            <template #empty>
+                <div class="text-center p-4">没有可用的媒体文件</div>
+            </template>
+
+            <template #loading>
+                <div class="flex flex-col items-center justify-center p-4">
+                    <ProgressSpinner style="width:50px;height:50px" />
+                    <span class="mt-2">加载媒体数据...</span>
+                </div>
+            </template>
+
+            <Column selectionMode="multiple" style="width: 3rem"></Column>
+
+            <Column field="fileName" header="文件名">
+                <template #body="{ data }">
+                    <div class="flex items-center">
+                        <div v-if="data.thumbnailUrl" class="flex-shrink-0 h-10 w-10 mr-3">
+                            <img class="h-10 w-10 object-cover rounded" :src="data.thumbnailUrl" :alt="data.fileName">
+                        </div>
+                        <div v-else
+                            class="flex-shrink-0 h-10 w-10 mr-3 bg-gray-100 rounded flex items-center justify-center">
+                            <i :class="getFileIcon(data)" class="text-2xl"></i>
+                        </div>
+                        <div class="text-sm font-medium text-gray-900">{{ data.fileName }}</div>
+                    </div>
+                </template>
+            </Column>
+
+            <Column field="fileType" header="文件类型">
+                <template #body="{ data }">
+                    <Badge :value="data.fileType" :severity="getBadgeSeverity(data.fileType)" />
+                </template>
+            </Column>
+
+            <Column field="fileSize" header="文件大小"></Column>
+            <Column field="uploadTime" header="上传时间"></Column>
+        </DataTable>
+
+        <template #footer>
+            <Button label="取消" icon="pi pi-times" @click="cancelMediaSelection" class="p-button-text" />
+            <Button label="确认选择" icon="pi pi-check" @click="confirmMediaSelection"
+                :disabled="selectedMediaItems.length === 0" />
+        </template>
+    </Dialog>
+</template>
+
+<style scoped>
+.p-card .p-card-content {
+    padding: 1.5rem;
+}
+
+.p-inputtext-lg {
+    font-size: 1.25rem;
+    padding: 0.75rem 1rem;
+}
+
+.p-inputnumber-input {
+    width: 100%;
+}
+
+.p-button-sm {
+    padding: 0.4rem;
+}
+</style>