mike/backend/migrations/20260613_03_tabular_reviews_overview_rpc.sql

-- Migration date: 2026-06-13

-- Tabular reviews overview read model.
-- Returns visible reviews plus document_count in one database call.

create or replace function public.get_tabular_reviews_overview(
  p_user_id text,
  p_user_email text default null,
  p_project_id text default null
)
returns table (
  id uuid,
  project_id uuid,
  user_id text,
  title text,
  columns_config jsonb,
  document_ids jsonb,
  workflow_id uuid,
  shared_with jsonb,
  created_at timestamptz,
  updated_at timestamptz,
  is_owner boolean,
  document_count integer
)
language sql
stable
as $$
  with accessible_projects as (
    select p.id
    from public.projects p
    where p.user_id = p_user_id
       or (
        coalesce(p_user_email, '') <> ''
        and p.user_id <> p_user_id
        and p.shared_with @> jsonb_build_array(p_user_email)
      )
  ),
  visible_reviews as (
    select tr.*
    from public.tabular_reviews tr
    where (p_project_id is null or tr.project_id::text = p_project_id)
      and (
        p_project_id is null
        or exists (
          select 1
          from accessible_projects ap
          where ap.id::text = p_project_id
        )
      )
      and (
        tr.user_id = p_user_id
        or (
          tr.project_id in (select ap.id from accessible_projects ap)
          and tr.user_id <> p_user_id
        )
        or (
          p_project_id is null
          and coalesce(p_user_email, '') <> ''
          and tr.user_id <> p_user_id
          and tr.shared_with @> jsonb_build_array(p_user_email)
        )
      )
  ),
  cell_document_counts as (
    select
      tc.review_id,
      count(distinct tc.document_id)::integer as document_count
    from public.tabular_cells tc
    where tc.review_id in (select vr.id from visible_reviews vr)
    group by tc.review_id
  )
  select
    vr.id,
    vr.project_id,
    vr.user_id,
    vr.title,
    vr.columns_config,
    vr.document_ids,
    vr.workflow_id,
    vr.shared_with,
    vr.created_at,
    vr.updated_at,
    vr.user_id = p_user_id as is_owner,
    case
      when jsonb_typeof(vr.document_ids) = 'array'
        then (
          select count(distinct doc_id.value)::integer
          from jsonb_array_elements_text(vr.document_ids) as doc_id(value)
        )
      else coalesce(cdc.document_count, 0)
    end as document_count
  from visible_reviews vr
  left join cell_document_counts cdc
    on cdc.review_id = vr.id
  order by vr.created_at desc;
$$;