supabase/apps/studio/data/database-policies/database-policies-query.ts

import { DEFAULT_PLATFORM_APPLICATION_NAME } from '@supabase/pg-meta/src/constants'
import { useQuery } from '@tanstack/react-query'

import { databasePoliciesKeys } from './keys'
import type { Policy } from '@/components/interfaces/Database/Policies/PolicyTableRow/PolicyTableRow.utils'
import { get, handleError } from '@/data/fetchers'
import { useSelectedProjectQuery } from '@/hooks/misc/useSelectedProject'
import { PROJECT_STATUS } from '@/lib/constants'
import type { ResponseError, UseCustomQueryOptions } from '@/types'

type DatabasePoliciesVariables = {
  projectRef?: string
  connectionString?: string | null
  schema?: string
}

export async function getDatabasePolicies(
  { projectRef, connectionString, schema }: DatabasePoliciesVariables,
  signal?: AbortSignal,
  headersInit?: HeadersInit
) {
  if (!projectRef) throw new Error('projectRef is required')

  let headers = new Headers(headersInit)
  if (connectionString) headers.set('x-connection-encrypted', connectionString)

  const { data, error } = await get('/platform/pg-meta/{ref}/policies', {
    params: {
      header: {
        'x-connection-encrypted': connectionString!,
        'x-pg-application-name': DEFAULT_PLATFORM_APPLICATION_NAME,
      },
      path: { ref: projectRef },
      query: {
        included_schemas: schema || '',
        excluded_schemas: '',
      },
    },
    headers,
    signal,
  })

  if (error) handleError(error)
  return data
}

export type DatabasePoliciesData = Awaited<ReturnType<typeof getDatabasePolicies>>
export type DatabasePoliciesError = ResponseError

function markSavedPolicySafe(policy: DatabasePoliciesData[number]): Policy {
  return policy as Policy
}

export const useDatabasePoliciesQuery = <TData = Policy[]>(
  { projectRef, connectionString, schema }: DatabasePoliciesVariables,
  { enabled = true, ...options }: UseCustomQueryOptions<Policy[], DatabasePoliciesError, TData> = {}
) => {
  const { data: project } = useSelectedProjectQuery()
  const isActive = project?.status === PROJECT_STATUS.ACTIVE_HEALTHY

  return useQuery<Policy[], DatabasePoliciesError, TData>({
    queryKey: databasePoliciesKeys.list(projectRef, schema),
    queryFn: ({ signal }) =>
      getDatabasePolicies({ projectRef, connectionString, schema }, signal).then((data) =>
        data.map(markSavedPolicySafe)
      ),
    enabled: enabled && typeof projectRef !== 'undefined' && isActive,
    ...options,
  })
}