init ana page with apis

app/api/links/repository.ts

@@ -0,0 +1,157 @@
+import { executeQuery, executeQuerySingle } from '@/lib/clickhouse';
+import { Link, LinkQueryParams } from '../types';
+
+/**
+ * Find links with filtering options
+ */
+export async function findLinks({
+  limit = 10,
+  offset = 0,
+  searchTerm = '',
+  tagFilter = '',
+  isActive = null,
+}: LinkQueryParams) {
+  // Build WHERE conditions
+  const conditions = [];
+  
+  if (searchTerm) {
+    conditions.push(`
+      (lower(title) LIKE lower('%${searchTerm}%') OR 
+       lower(original_url) LIKE lower('%${searchTerm}%'))
+    `);
+  }
+  
+  if (tagFilter) {
+    conditions.push(`hasAny(tags, ['${tagFilter}'])`);
+  }
+  
+  if (isActive !== null) {
+    conditions.push(`is_active = ${isActive ? 'true' : 'false'}`);
+  }
+  
+  const whereClause = conditions.length > 0 
+    ? `WHERE ${conditions.join(' AND ')}` 
+    : '';
+  
+  // Get total count
+  const countQuery = `
+    SELECT count() as total
+    FROM links
+    ${whereClause}
+  `;
+  
+  const countData = await executeQuery<{ total: number }>(countQuery);
+  const total = countData.length > 0 ? countData[0].total : 0;
+  
+  // 使用左连接获取链接数据和统计信息
+  const linksQuery = `
+    SELECT 
+      l.link_id, 
+      l.original_url, 
+      l.created_at, 
+      l.created_by, 
+      l.title, 
+      l.description, 
+      l.tags, 
+      l.is_active, 
+      l.expires_at, 
+      l.team_id, 
+      l.project_id,
+      count(le.event_id) as visits,
+      count(DISTINCT le.visitor_id) as unique_visits
+    FROM links l
+    LEFT JOIN link_events le ON l.link_id = le.link_id
+    ${whereClause}
+    GROUP BY 
+      l.link_id, 
+      l.original_url, 
+      l.created_at, 
+      l.created_by, 
+      l.title, 
+      l.description, 
+      l.tags, 
+      l.is_active, 
+      l.expires_at, 
+      l.team_id, 
+      l.project_id
+    ORDER BY l.created_at DESC
+    LIMIT ${limit}
+    OFFSET ${offset}
+  `;
+  
+  const links = await executeQuery<Link>(linksQuery);
+  
+  return {
+    links,
+    total,
+    limit,
+    offset,
+    page: Math.floor(offset / limit) + 1,
+    totalPages: Math.ceil(total / limit)
+  };
+}
+
+/**
+ * Find a single link by ID
+ */
+export async function findLinkById(linkId: string): Promise<Link | null> {
+  const query = `
+    SELECT 
+      l.link_id, 
+      l.original_url, 
+      l.created_at, 
+      l.created_by, 
+      l.title, 
+      l.description, 
+      l.tags, 
+      l.is_active, 
+      l.expires_at, 
+      l.team_id, 
+      l.project_id,
+      count(le.event_id) as visits,
+      count(DISTINCT le.visitor_id) as unique_visits
+    FROM links l
+    LEFT JOIN link_events le ON l.link_id = le.link_id
+    WHERE l.link_id = '${linkId}'
+    GROUP BY 
+      l.link_id, 
+      l.original_url, 
+      l.created_at, 
+      l.created_by, 
+      l.title, 
+      l.description, 
+      l.tags, 
+      l.is_active, 
+      l.expires_at, 
+      l.team_id, 
+      l.project_id
+    LIMIT 1
+  `;
+  
+  return await executeQuerySingle<Link>(query);
+}
+
+/**
+ * Find a single link by ID - only basic info without statistics
+ */
+export async function findLinkDetailsById(linkId: string): Promise<Omit<Link, 'visits' | 'unique_visits'> | null> {
+  const query = `
+    SELECT 
+      link_id, 
+      original_url, 
+      created_at, 
+      created_by, 
+      title, 
+      description, 
+      tags, 
+      is_active, 
+      expires_at, 
+      team_id, 
+      project_id
+    FROM links
+    WHERE link_id = '${linkId}'
+    LIMIT 1
+  `;
+  
+  return await executeQuerySingle<Omit<Link, 'visits' | 'unique_visits'>>(query);
+}