mike/backend/migrations/20260421_01_docx_editing.sql

52 lines
2.1 KiB
SQL

-- Migration date: 2026-04-21
-- Migration: DOCX editing with tracked changes.
-- Adds per-edit Accept/Reject state and a pointer to the document's current version.
-- Assumes document_versions table already exists (see separate migration).
-- 1. Broaden document_versions.source to include 'user_reject'.
ALTER TABLE public.document_versions
DROP CONSTRAINT IF EXISTS document_versions_source_check;
ALTER TABLE public.document_versions
ADD CONSTRAINT document_versions_source_check
CHECK (source = ANY (ARRAY[
'upload'::text,
'assistant_edit'::text,
'user_accept'::text,
'user_reject'::text,
'generated'::text
]));
-- 2. Point each document at its currently active version (null = original upload).
ALTER TABLE public.documents
ADD COLUMN IF NOT EXISTS current_version_id uuid
REFERENCES public.document_versions(id) ON DELETE SET NULL;
-- 3. Per-edit registry. One row per tracked change proposed by the assistant.
-- change_id is the w:id written into document.xml so Accept/Reject can
-- locate the specific w:ins/w:del pair on the latest version.
CREATE TABLE IF NOT EXISTS public.document_edits (
id uuid PRIMARY KEY DEFAULT gen_random_uuid(),
document_id uuid NOT NULL REFERENCES public.documents(id) ON DELETE CASCADE,
chat_message_id uuid REFERENCES public.chat_messages(id) ON DELETE SET NULL,
version_id uuid NOT NULL REFERENCES public.document_versions(id) ON DELETE CASCADE,
change_id text NOT NULL,
deleted_text text NOT NULL DEFAULT '',
inserted_text text NOT NULL DEFAULT '',
context_before text,
context_after text,
status text NOT NULL DEFAULT 'pending'
CHECK (status = ANY (ARRAY['pending'::text, 'accepted'::text, 'rejected'::text])),
created_at timestamptz NOT NULL DEFAULT now(),
resolved_at timestamptz
);
CREATE INDEX IF NOT EXISTS document_edits_document_id_idx
ON public.document_edits (document_id, created_at DESC);
CREATE INDEX IF NOT EXISTS document_edits_message_id_idx
ON public.document_edits (chat_message_id);
CREATE INDEX IF NOT EXISTS document_edits_version_id_idx
ON public.document_edits (version_id);