// 媒体查询 API
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const GRAPHQL_ENDPOINT = 'http://localhost:8080/api/graphql';
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const MEDIAS_BY_TARGET_QUERY = `
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query MediasByTarget($targetType: Int!, $targetId: ID!) {
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mediasByTarget(targetType: $targetType, targetId: $targetId) {
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id
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name
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path
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fileExt
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mediaType
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fullUrl
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}
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}
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`;
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const SAVE_MEDIA_MUTATION = `
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mutation SaveMedia($input: MediaInput!) {
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saveMedia(input: $input) {
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id
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name
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path
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fileExt
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mediaType
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fullUrl
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targetType
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targetId
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}
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}
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`;
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const DELETE_MEDIA_MUTATION = `
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mutation DeleteMedia($id: ID!) {
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deleteMedia(id: $id)
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}
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`;
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export const getMediasByTarget = async (targetType, targetId) => {
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const res = await fetch(GRAPHQL_ENDPOINT, {
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method: 'POST',
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headers: { 'Content-Type': 'application/json' },
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body: JSON.stringify({
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query: MEDIAS_BY_TARGET_QUERY,
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variables: { targetType, targetId }
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})
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});
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const result = await res.json();
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if (result.errors) {
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throw new Error(result.errors[0].message);
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}
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return result.data.mediasByTarget || [];
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};
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export const saveMedia = async (input) => {
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const res = await fetch(GRAPHQL_ENDPOINT, {
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method: 'POST',
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headers: { 'Content-Type': 'application/json' },
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body: JSON.stringify({
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query: SAVE_MEDIA_MUTATION,
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variables: { input }
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})
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});
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const result = await res.json();
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if (result.errors) {
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throw new Error(result.errors[0].message);
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}
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return result.data.saveMedia;
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};
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export const deleteMedia = async (id) => {
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console.log('=== deleteMedia API调用 ===');
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console.log('要删除的媒体ID:', id);
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console.log('GraphQL查询:', DELETE_MEDIA_MUTATION);
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const res = await fetch(GRAPHQL_ENDPOINT, {
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method: 'POST',
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headers: { 'Content-Type': 'application/json' },
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body: JSON.stringify({
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query: DELETE_MEDIA_MUTATION,
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variables: { id: id.toString() }
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})
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});
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const result = await res.json();
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console.log('GraphQL响应:', result);
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console.log('deleteMedia结果:', result.data?.deleteMedia);
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if (result.errors) {
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console.error('GraphQL错误:', result.errors);
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throw new Error(result.errors[0].message);
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}
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const deleteResult = result.data.deleteMedia;
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console.log('返回的删除结果:', deleteResult, '类型:', typeof deleteResult);
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return deleteResult;
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};
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// 上传文件到服务器
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export const uploadFile = async (file) => {
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const formData = new FormData();
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formData.append('file', file);
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const response = await fetch('http://localhost:8080/api/upload/image', {
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method: 'POST',
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body: formData
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});
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const result = await response.json();
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if (!result.success) {
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throw new Error(result.error || '上传失败');
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}
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return result;
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};
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// 上传视频文件并自动生成缩略图
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export const uploadVideoWithThumbnail = async (videoFile) => {
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const { extractVideoFrame, generateThumbnailFileName } = await import('@/utils/video.js');
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try {
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console.log('开始处理视频文件:', videoFile.name);
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// 1. 上传原视频文件
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console.log('上传视频文件...');
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const videoUploadResult = await uploadFile(videoFile);
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console.log('视频上传成功:', videoUploadResult);
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// 2. 提取视频第一帧
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console.log('提取视频第一帧...');
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const thumbnailBlob = await extractVideoFrame(videoFile);
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console.log('视频帧提取成功，大小:', thumbnailBlob.size);
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// 3. 创建缩略图文件对象
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const thumbnailFileName = generateThumbnailFileName(videoFile.name);
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const thumbnailFile = new File([thumbnailBlob], thumbnailFileName, {
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type: 'image/jpeg'
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});
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// 4. 上传缩略图
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console.log('上传缩略图...');
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const thumbnailUploadResult = await uploadFile(thumbnailFile);
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console.log('缩略图上传成功:', thumbnailUploadResult);
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// 5. 返回包含视频和缩略图信息的结果
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return {
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video: videoUploadResult,
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thumbnail: thumbnailUploadResult,
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success: true
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};
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} catch (error) {
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console.error('视频处理失败:', error);
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throw new Error(`视频处理失败: ${error.message}`);
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}
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};
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