feat: add database tables inspection

Author: atinux

server/api/_hub/database/tables.get.ts

@@ -0,0 +1,36 @@
+export default eventHandler(async () => {
+  const db = useDatabaseClient()
+
+  const { results } = await db.prepare('PRAGMA table_list').all<{
+    schema: string;
+    name: string;
+    type: string;
+    ncol: number;
+    wr: number;
+    strict: number;
+  }>()
+
+  if (!results) {
+    throw createError({ statusCode: 404, message: 'No tables found' })
+  }
+
+  const tables = results.filter(({ name }) => {
+    const isInternal = name.startsWith('sqlite_') || name.startsWith('_cf_') || name.startsWith('d1_') || name.startsWith('__drizzle')
+
+    return !isInternal
+  })
+
+  const [columns, count] = await Promise.all([
+    db.batch(tables.map(({ name }) => db.prepare(`PRAGMA table_info("${name}")`)))
+      .then(res => res.map(({ results }) => results as { name: string; type: string }[])),
+    db.batch<{ c: number }>(tables.map(({ name }) => db.prepare(`SELECT COUNT(*) AS c FROM "${name}"`)))
+      .then(res => res.map(({ results }) => results[0].c))
+  ])
+
+
+  return tables.map(({ name }, i) => ({
+    name,
+    columns: columns[i],
+    count: count[i]
+  }))
+})