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src/elderly/services/mediaService.ts

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+/**
+ * 老人端媒体服务
+ * 负责获取推荐媒体、记录播放、提交反馈
+ */
+
+const API_BASE_URL = 'http://localhost:8000/api';
+
+export interface RecommendedMedia {
+  id: number;
+  family_id: string;
+  media_type: 'photo' | 'video';
+  title: string;
+  description?: string;
+  file_path: string;
+  thumbnail_path?: string;
+  tags: string[];
+  time_windows: string[];
+  moods: string[];
+  occasions: string[];
+  cooldown: number;
+  priority: number;
+  play_count: number;
+  last_played_at?: string;
+}
+
+export interface PlayRecordParams {
+  elderly_id: number;
+  duration_watched?: number;
+  completed?: number;
+  triggered_by?: 'auto' | 'manual' | 'mood';
+  mood_before?: string;
+  mood_after?: string;
+}
+
+export interface FeedbackParams {
+  elderly_id: number;
+  feedback_type: 'like' | 'dislike';
+}
+
+/**
+ * 获取推荐媒体
+ */
+export async function getRecommendedMedia(
+  familyId: string,
+  elderlyId: number,
+  mood?: string,
+  occasion?: string
+): Promise<RecommendedMedia[]> {
+  const params = new URLSearchParams({
+    family_id: familyId,
+    elderly_id: elderlyId.toString(),
+  });
+
+  if (mood) params.append('mood', mood);
+  if (occasion) params.append('occasion', occasion);
+
+  const response = await fetch(`${API_BASE_URL}/elderly/media/recommended?${params}`);
+
+  if (!response.ok) {
+    const error = await response.json();
+    throw new Error(error.error || '获取推荐媒体失败');
+  }
+
+  const data = await response.json();
+  return data.media;
+}
+
+/**
+ * 记录媒体播放
+ */
+export async function recordMediaPlay(mediaId: number, params: PlayRecordParams): Promise<void> {
+  const response = await fetch(`${API_BASE_URL}/elderly/media/${mediaId}/play`, {
+    method: 'POST',
+    headers: {
+      'Content-Type': 'application/json',
+    },
+    body: JSON.stringify(params),
+  });
+
+  if (!response.ok) {
+    const error = await response.json();
+    throw new Error(error.error || '记录播放失败');
+  }
+}
+
+/**
+ * 提交媒体反馈
+ */
+export async function submitFeedback(mediaId: number, params: FeedbackParams): Promise<void> {
+  const response = await fetch(`${API_BASE_URL}/elderly/media/${mediaId}/feedback`, {
+    method: 'POST',
+    headers: {
+      'Content-Type': 'application/json',
+    },
+    body: JSON.stringify(params),
+  });
+
+  if (!response.ok) {
+    const error = await response.json();
+    throw new Error(error.error || '提交反馈失败');
+  }
+}
+
+/**
+ * 获取文件URL（用于前端显示）
+ */
+export function getMediaUrl(filePath: string): string {
+  // 将服务器文件路径转换为可访问的URL
+  return `http://localhost:8000/uploads/${filePath.split(/[/\\]/).pop()}`;
+}
+
+/**
+ * 获取缩略图URL
+ */
+export function getThumbnailUrl(thumbnailPath: string): string {
+  return `http://localhost:8000/uploads/thumbnails/${thumbnailPath.split(/[/\\]/).pop()}`;
+}