refactor views to avoid problems in case of rolling deployment

src/main/resources/alfio/db/PGSQL/afterMigrate__000_VIEW_drops.sql

@@ -15,20 +15,4 @@
 -- along with alf.io.  If not, see <http://www.gnu.org/licenses/>.
 --
 
-drop view if exists admin_reservation_request_stats;
-drop view if exists auditing_user;
-drop view if exists events_statistics;
-drop view if exists ticket_category_statistics;
-drop view if exists ticket_and_reservation_and_tx;
-drop view if exists latest_ticket_update;
-drop view if exists reservation_and_ticket_and_tx;
-drop view if exists ticket_category_with_currency;
-drop view if exists additional_service_with_currency;
-drop view if exists checkin_ticket_event_and_category_info;
-drop view if exists subscription_descriptor_statistics;
-drop view if exists basic_event_with_optional_subscription;
-drop view if exists reservation_and_subscription_and_tx;
-drop view if exists extension_capabilities;
-drop view if exists reservation_with_purchase_context;
-drop view if exists available_subscriptions_by_event;
-drop view if exists promocode_usage_details;
+drop view if exists ticket_and_reservation_and_tx;

src/main/resources/alfio/db/PGSQL/afterMigrate__001_VIEW_admin_reservation_request_stats_view.sql

@@ -15,7 +15,7 @@
 -- along with alf.io.  If not, see <http://www.gnu.org/licenses/>.
 --
 
-create view admin_reservation_request_stats as (
+create or replace view admin_reservation_request_stats as (
    select request_id,
        user_id,
        event_id,

src/main/resources/alfio/db/PGSQL/afterMigrate__002_VIEW_auditing_user.sql

@@ -15,7 +15,7 @@
 -- along with alf.io.  If not, see <http://www.gnu.org/licenses/>.
 --
 
-CREATE VIEW auditing_user AS
+CREATE or replace VIEW auditing_user AS
  SELECT auditing.reservation_id,
     auditing.user_id,
     auditing.event_type,

src/main/resources/alfio/db/PGSQL/afterMigrate__004_VIEW_events_statistics.sql

@@ -15,6 +15,61 @@
 -- along with alf.io.  If not, see <http://www.gnu.org/licenses/>.
 --
 
+drop view if exists events_statistics;
+drop view if exists ticket_category_statistics;
+
+create view ticket_category_statistics as (select
+  res.*,
+  is_expired and not_sold_tickets > 0 as is_containing_orphan_tickets,
+  stuck_count > 0 as is_containing_stuck_tickets
+from
+
+(select
+  id as ticket_category_id,
+  access_restricted,
+  max_tickets,
+  bounded,
+  is_expired,
+  event_id,
+  coalesce(pending_count,0) as pending_count,
+  coalesce(checked_in_count,0) as checked_in_count,
+  coalesce(sold_tickets_count,0) as sold_tickets_count,
+  coalesce(released_count, 0) as released_count,
+  case(bounded) when false then 0 else max_tickets - coalesce(sold_tickets_count,0 )  - coalesce(checked_in_count, 0) -  coalesce(pending_count, 0) end as not_sold_tickets,
+  coalesce(stuck_count, 0) as stuck_count,
+  category_configuration
+from
+
+(select max_tickets, bounded, id, event_id, expiration < now() as is_expired, access_restricted from ticket_category where tc_status = 'ACTIVE' ) ticket_cat
+
+left join
+
+(select
+  sum(case(status = 'PENDING') when true then 1 else 0 end) as pending_count,
+  sum(case(status = 'RELEASED') when true then 1 else 0 end) as released_count,
+  sum(case(status = 'CHECKED_IN') when true then 1 else 0 end) checked_in_count,
+  sum(case(status in ('TO_BE_PAID', 'ACQUIRED')) when true then 1 else 0 end) as sold_tickets_count,
+  category_id
+from ticket
+inner join ticket_category tc
+on category_id = tc.id
+group by category_id
+) tickets_stats on ticket_cat.id = tickets_stats.category_id
+
+left join
+
+(select count(*) stuck_count, category_id
+  from ticket
+  inner join tickets_reservation on tickets_reservation.id = tickets_reservation_id
+  where tickets_reservation.status = 'STUCK'
+  group by category_id) stuck_count on ticket_cat.id = stuck_count.category_id
+
+left join
+(select ticket_category_id_fk, jsonb_agg(json_build_object('id', id, 'key', c_key, 'value', c_value, 'configurationPathLevel', 'TICKET_CATEGORY')) category_configuration
+  from configuration_ticket_category group by 1) tc_settings on ticket_cat.id = tc_settings.ticket_category_id_fk
+
+) as res);
+
 create view events_statistics as (
 select
       event.id,

src/main/resources/alfio/db/PGSQL/afterMigrate__005_VIEW_latest_ticket_update.sql

@@ -15,6 +15,6 @@
 -- along with alf.io.  If not, see <http://www.gnu.org/licenses/>.
 --
 
-CREATE VIEW latest_ticket_update as
+CREATE or replace VIEW latest_ticket_update as
 select cast(entity_id as int) ticket_id, event_id, max(event_time) last_update from auditing
 where entity_type = 'TICKET' group by ticket_id, event_id;

src/main/resources/alfio/db/PGSQL/afterMigrate__006_VIEW_reservation_and_ticket_and_tx.sql

@@ -15,7 +15,7 @@
 -- along with alf.io.  If not, see <http://www.gnu.org/licenses/>.
 --
 
-create view reservation_and_ticket_and_tx as (select
+create or replace view reservation_and_ticket_and_tx as (select
 
     tickets_reservation.id tr_id,
     tickets_reservation.validity tr_validity,

src/main/resources/alfio/db/PGSQL/afterMigrate__007_VIEW_ticket_category_with_currency.sql

@@ -15,7 +15,7 @@
 -- along with alf.io.  If not, see <http://www.gnu.org/licenses/>.
 --
 
-create view ticket_category_with_currency as (
+create or replace view ticket_category_with_currency as (
     select tc.id id,
         tc.inception inception,
         tc.expiration expiration,

src/main/resources/alfio/db/PGSQL/afterMigrate__008_VIEW_additional_service_with_currency.sql

@@ -15,7 +15,7 @@
 -- along with alf.io.  If not, see <http://www.gnu.org/licenses/>.
 --
 
-create view additional_service_with_currency as (
+create or replace view additional_service_with_currency as (
     select asv.id id,
         asv.event_id_fk  event_id_fk,
         asv.price_cts price_cts,

src/main/resources/alfio/db/PGSQL/afterMigrate__009_VIEW_checkin_ticket_event_and_category_info.sql

@@ -33,7 +33,7 @@ select
         end;
 $$ language sql;
 
-create view checkin_ticket_event_and_category_info as
+create or replace view checkin_ticket_event_and_category_info as
 (
     select
         -- ticket

src/main/resources/alfio/db/PGSQL/afterMigrate__010_VIEW_reservation_and_subscription_and_tx.sql

@@ -15,7 +15,7 @@
 -- along with alf.io.  If not, see <http://www.gnu.org/licenses/>.
 --
 
-create view reservation_and_subscription_and_tx as (select
+create or replace view reservation_and_subscription_and_tx as (select
 
     tickets_reservation.id tr_id,
     tickets_reservation.validity tr_validity,

src/main/resources/alfio/db/PGSQL/afterMigrate__011_VIEW_basic_event_with_optional_subscription.sql

@@ -15,7 +15,7 @@
 -- along with alf.io.  If not, see <http://www.gnu.org/licenses/>.
 --
 
-create view basic_event_with_optional_subscription as (
+create or replace view basic_event_with_optional_subscription as (
     select e.*,
            s.id as subscription_id,
            o.slug as org_slug

src/main/resources/alfio/db/PGSQL/afterMigrate__012_VIEW_subscription_descriptor_statistics.sql

@@ -15,7 +15,7 @@
 -- along with alf.io.  If not, see <http://www.gnu.org/licenses/>.
 --
 
-create view subscription_descriptor_statistics as (
+create or replace view subscription_descriptor_statistics as (
       select
             sd.id sd_id,
             sd.title sd_title,

src/main/resources/alfio/db/PGSQL/afterMigrate__013_VIEW_extension_capabilities.sql

@@ -15,7 +15,7 @@
 -- along with alf.io.  If not, see <http://www.gnu.org/licenses/>.
 --
 
-create view extension_capabilities as (
+create or replace view extension_capabilities as (
     select es.es_id,
            es.path,
            es.name,

src/main/resources/alfio/db/PGSQL/afterMigrate__014_VIEW_reservation_with_purchase_context.sql

@@ -15,7 +15,7 @@
 -- along with alf.io.  If not, see <http://www.gnu.org/licenses/>.
 --
 
-create view reservation_with_purchase_context as (
+create or replace view reservation_with_purchase_context as (
 
     with reservations as (
         select

src/main/resources/alfio/db/PGSQL/afterMigrate__015_VIEW_available_subscriptions_by_event.sql

@@ -15,7 +15,7 @@
 -- along with alf.io.  If not, see <http://www.gnu.org/licenses/>.
 --
 
-create view available_subscriptions_by_event as (
+create or replace view available_subscriptions_by_event as (
     with usage_by_subscription_id as (
         select s.id subscription_id,
                sum(case when t.subscription_id_fk is not null then 1 else 0 end) usage

src/main/resources/alfio/db/PGSQL/afterMigrate__016_VIEW_promocode_usage_details.sql

@@ -15,7 +15,7 @@
 -- along with alf.io.  If not, see <http://www.gnu.org/licenses/>.
 --
 
-create view promocode_usage_details as (
+create or replace view promocode_usage_details as (
 with tickets as (
     select t.tickets_reservation_id, json_agg(jsonb_build_object(
             'id', t.uuid,