-- ==============================================================
-- GNUmed database schema change script
--
-- License: GPL v2 or later
-- Author: karsten.hilbert@gmx.net
--
-- ==============================================================
\set ON_ERROR_STOP 1
--set default_transaction_read_only to off;

-- --------------------------------------------------------------
select gm.register_notifying_table('dem', 'message_inbox', 'message_inbox_generic');

comment on column dem.message_inbox.ufk_context is
	'a nullable array of Unchecked Foreign Keys, it is up to
	 the application to know what this points to, it will
	 have to make sense within the context of the combination
	 of staff ID, item type, and comment';

-- --------------------------------------------------------------
grant select, insert, update, delete on
	dem.inbox_item_type,
	dem.inbox_item_category
to group "gm-public";

grant usage, select on
	dem.inbox_item_type_pk_seq,
	dem.inbox_item_category_pk_seq
to group "gm-public";

-- --------------------------------------------------------------
drop view if exists dem.v_message_inbox cascade;


create view dem.v_message_inbox as

select
	mi.modified_when
		as received_when,
	coalesce (
		(select short_alias from dem.staff where db_user = mi.modified_by),
		'<' || mi.modified_by || '>'
	)
		as modified_by,
	(select short_alias from dem.staff where dem.staff.pk = mi.fk_staff)
		as provider,
	mi.importance,
	vit.category,
	vit.l10n_category,
	vit.type,
	vit.l10n_type,
	mi.comment,
	mi.ufk_context
		as pk_context,
	mi.data
		as data,
	mi.pk
		as pk_inbox_message,
	mi.fk_staff
		as pk_staff,
	vit.pk_category,
	mi.fk_inbox_item_type
		as pk_type,
	mi.fk_patient
		as pk_patient,
	false
		as is_virtual,
	gm.xid2int(mi.xmin)
		as xmin_message_inbox
from
	dem.message_inbox mi,
	dem.v_inbox_item_type vit
where
	mi.fk_inbox_item_type = vit.pk_type

union

select
	now() as received_when,
	'<system>' as modified_by,
	(select short_alias from dem.staff where dem.staff.pk = vo4dnd.pk_intended_reviewer)
		as provider,
	0	as importance,
	'clinical'
		as category,
	_('clinical')
		as l10n_category,
	'review docs'
		as type,
	_('review docs')
		as l10n_type,
	(select _('unreviewed documents for patient') || ' ['
		|| dn.lastnames || ', '
		|| dn.firstnames || ']'
	 from dem.names dn
	 where
	 	dn.id_identity = vo4dnd.pk_patient
	 		and
	 	dn.active is True
	)
	 	as comment,
	NULL::integer[]
		as pk_context,
	NULL::text
		as data,
	NULL::integer
		as pk_inbox_message,
	vo4dnd.pk_intended_reviewer
		as pk_staff,
	(select pk_category from dem.v_inbox_item_type where type = 'review docs')
		as pk_category,
	(select pk_type from dem.v_inbox_item_type where type = 'review docs')
		as pk_type,
	vo4dnd.pk_patient as pk_patient,
	true
		as is_virtual,
	NULL::integer
		as xmin_message_inbox
from
	blobs.v_obj4doc_no_data vo4dnd
where
	reviewed is False

union

select
	now() as received_when,
	vtr.modified_by as modified_by,
	(select short_alias from dem.staff where dem.staff.pk = vtr.pk_intended_reviewer)
		as provider,
	0	as importance,
	'clinical'
		as category,
	_('clinical')
		as l10n_category,
	'review results'
		as type,
	_('review results')
		as l10n_type,
	(select _('unreviewed (normal) results for patient') || ' ['
		|| dn.lastnames || ', '
		|| dn.firstnames || ']'
	 from dem.names dn
	 where
	 	dn.id_identity = vtr.pk_patient
	 		and
	 	dn.active is True
	)
		as comment,
	NULL::integer[]
		as pk_context,
	NULL::text
		as data,
	NULL::integer
		as pk_inbox_message,
	vtr.pk_intended_reviewer
		as pk_staff,
	(select pk_category from dem.v_inbox_item_type where type = 'review results')
		as pk_category,
	(select pk_type from dem.v_inbox_item_type where type = 'review results')
		as pk_type,
	vtr.pk_patient as pk_patient,
	true
		as is_virtual,
	NULL::integer
		as xmin_message_inbox
from
	clin.v_test_results vtr
where
	reviewed is false
		and
	(
		(is_technically_abnormal is false)
			or
		((is_technically_abnormal is null) and (abnormality_indicator is null))
	)

union

select
	now() as received_when,
	vtr.modified_by as modified_by,
	(select short_alias from dem.staff where dem.staff.pk = vtr.pk_intended_reviewer)
		as provider,
	1	as importance,
	'clinical'
		as category,
	_('clinical')
		as l10n_category,
	'review results'
		as type,
	_('review results')
		as l10n_type,
	(select _('unreviewed (abnormal) results for patient') || ' ['
		|| dn.lastnames || ', '
		|| dn.firstnames || ']'
	 from dem.names dn
	 where
	 	dn.id_identity = vtr.pk_patient
	 		and
	 	dn.active is True
	)
		as comment,
	NULL::integer[]
		as pk_context,
	NULL::text
		as data,
	NULL::integer
		as pk_inbox_message,
	vtr.pk_intended_reviewer
		as pk_staff,
	(select pk_category from dem.v_inbox_item_type where type = 'review results')
		as pk_category,
	(select pk_type from dem.v_inbox_item_type where type = 'review results')
		as pk_type,
	vtr.pk_patient as pk_patient,
	true
		as is_virtual,
	NULL::integer
		as xmin_message_inbox
from
	clin.v_test_results vtr
where
	reviewed is false
		and
	(
		(is_technically_abnormal is true)
			or
		((is_technically_abnormal is null) and (abnormality_indicator is not null))
	)

;


comment on view dem.v_message_inbox is
'Denormalized messages for the providers and/or patients.
Using UNION makes sure we get the right level of uniqueness.';


grant select on dem.v_message_inbox to group "gm-doctors";

-- --------------------------------------------------------------
select gm.log_script_insertion('v15-dem-v_message_inbox.sql', '1.1');

-- ==============================================================
