fix: add computed column to application to display user's edit permis…

…sion

schema/deploy/computed_columns/application_current_user_can_edit.sql

@@ -0,0 +1,27 @@
+-- Deploy ggircs-portal:computed_columns/application_current_user_can_edit to pg
+-- requires: tables/ciip_user_organisation
+-- requires: tables/application
+
+begin;
+
+  create or replace function ggircs_portal.application_current_user_can_edit(
+    app ggircs_portal.application
+  )
+  returns boolean
+  as
+  $body$
+    declare
+      return_value boolean;
+      current_user_id = (select id from ggircs_portal.ciip_user where uuid=(select sub from ggircs_portal.session));
+      org_id = (select organisation_id from app join ggircs_portal.facility f on app.facility_id = f.id);
+    begin
+      return (select exists(select * from ggircs_portal.ciip_user_organisation where user_id=current_user_id and organisation_id=org_id and status='approved'));
+    end;
+  $body$
+  language 'plpgsql' stable;
+
+  grant execute on function ggircs_portal.application_current_user_can_edit to ciip_administrator, ciip_analyst, ciip_industry_user;
+
+  comment on function ggircs_portal.application_current_user_can_edit is 'returns a boolean value based on whether the current user has edit permission on the application';
+
+commit;

schema/revert/computed_columns/application_current_user_can_edit.sql

@@ -0,0 +1,7 @@
+-- Revert ggircs-portal:computed_columns/application_current_user_can_edit from pg
+
+begin;
+
+drop function ggircs_portal.application_current_user_can_edit;
+
+commit;

schema/sqitch.plan

@@ -165,3 +165,4 @@ trigger_functions/request_for_organisation_access [trigger_functions/request_for
 @v1.3.0 2020-07-29T20:54:44Z Matthieu Foucault <matthieu@button.is> # release v1.3.0
 tables/application_revision_001 [tables/application_revision] 2020-07-22T23:13:57Z Dylan Leard <dylan@button.is> # Migration: add override column to application_revision
 database_functions/read_only_user_policies [schema_ggircs_portal schema_ggircs_portal_private] 2020-07-30T18:10:31Z Dylan Leard <dylan@button.is> # function adds RLS policies for the read_only_user (metabase)
+computed_columns/application_current_user_can_edit [tables/ciip_user_organisation tables/application] 2020-07-30T23:55:55Z Dylan Leard <dylan@button.is> # computed column returns a boolean value: whether the current user has edit permission on the application

schema/verify/computed_columns/application_current_user_can_edit.sql

@@ -0,0 +1,7 @@
+-- Verify ggircs-portal:computed_columns/application_current_user_can_edit on pg
+
+begin;
+
+select pg_get_functiondef('ggircs_portal.application_current_user_can_edit(ggircs_portal.application)'::regprocedure);
+
+rollback;