Files
admin/backend/app/services/database_inspector.ts
T
2026-06-25 15:53:49 +03:00

97 lines
2.6 KiB
TypeScript
Executable File

import db from '@adonisjs/lucid/services/db'
import { ModelQueryBuilderContract } from '@adonisjs/lucid/types/model'
export async function getDatabaseTables(): Promise<string[]> {
const result = await db
.from('information_schema.tables')
.select('table_name')
.where('table_schema', 'public')
.whereNotIn('table_name', [
'adonis_schema',
'adonis_schema_versions',
'auth_access_tokens',
'admins',
'permissions',
'roles',
'admin_roles',
'role_permissions',
'migrations',
'migrations_lock',
'pg_stat_statements',
'pg_stat_activity',
'pg_type',
'pg_enum',
'pg_class',
'pg_attribute',
'pg_index',
'pg_namespace',
'pg_tables',
])
.whereRaw(`table_name NOT LIKE 'pg_%'`)
.whereRaw(`table_name NOT LIKE 'sql_%'`)
return result.map((row) => row.table_name)
}
export async function getColumnsForTable(table: string) {
const rows = await db
.from('information_schema.columns')
.select('column_name', 'data_type', 'is_nullable')
.where('table_schema', 'public')
.andWhere('table_name', table)
return rows.map((row) => {
const col = {
...row,
isSpecial: ['created_at', 'updated_at', 'deleted_at'].includes(row.column_name),
}
return col
})
}
export async function getForeignKeysReferencing(table: string) {
return await db
.from('information_schema.columns')
.select('table_name', 'column_name')
.where('column_name', `${table}_id`)
.andWhere('table_schema', 'public')
}
export async function searchableColumns(table: string) {
const columns = await getColumnsForTable(table)
return {
string: columns
.filter((col) =>
['character varying', 'text', 'varchar', 'char', 'uuid'].includes(col.data_type)
)
.map((col) => col.column_name),
number: columns
.filter((col) => ['integer', 'int4', 'int8', 'numeric', 'bigint'].includes(col.data_type))
.map((col) => col.column_name),
}
}
export function addSearchFilter<T extends ModelQueryBuilderContract<any>>(
query: T,
columns: { string: string[]; number: string[] },
search: string
) {
const keywords = search.trim().split(/\s+/)
query.where((builder) => {
for (const keyword of keywords) {
builder.orWhere((subBuilder) => {
for (const column of columns.string) {
subBuilder.orWhereILike(column, `%${keyword}%`)
}
})
}
if (!Number.isNaN(Number(search))) {
for (const column of columns.number) {
builder.orWhere(column, Number(search))
}
}
})
}