JSON based generated database fields instead of imports (#1155)

migrated to using JSONB columns to store data instead of string columns

server/main-api/migrations/20240505224430_fix-calendar-id-not-extracted.down.sql

@@ -0,0 +1,43 @@
+-- Add down migration script here
+-- was never used
+create table rooms
+(
+    key                   text primary key            not null,
+    tumonline_org_id      integer                     not null,
+    tumonline_calendar_id integer                     not null,
+    tumonline_room_id     integer                     not null,
+    last_scrape           timestamp without time zone not null
+);
+
+-- migrating to
+DROP TABLE en;
+create table en
+(
+    key                     text             not null
+        primary key
+        references de,
+    name                    text             not null,
+    tumonline_room_nr       integer,
+    type                    text             not null,
+    type_common_name        text             not null,
+    lat                     double precision not null,
+    lon                     double precision not null,
+    data                    text             not null,
+    last_calendar_scrape_at timestamp with time zone
+);
+comment on column en.last_calendar_scrape_at is 'the last time the calendar was scraped for this room';
+
+DROP TABLE de;
+create table de
+(
+    key                     text             not null primary key,
+    name                    text             not null,
+    tumonline_room_nr       integer,
+    type                    text             not null,
+    type_common_name        text             not null,
+    lat                     double precision not null,
+    lon                     double precision not null,
+    data                    text             not null,
+    last_calendar_scrape_at timestamp with time zone
+);
+comment on column de.last_calendar_scrape_at is 'the last time the calendar was scraped for this room';

server/main-api/migrations/20240505224430_fix-calendar-id-not-extracted.up.sql

@@ -0,0 +1,34 @@
+-- Add up migration script here
+-- was never used
+DROP TABLE rooms;
+
+-- migrating to using the json type instead of having elaborate insertion logic
+alter table de alter column data type jsonb using data::jsonb;
+alter table de drop column lat;
+alter table de add column lat FLOAT NOT NULL GENERATED ALWAYS AS (CAST (data->'coords'->>'lat' AS FLOAT)) STORED;
+alter table de drop column lon;
+alter table de add column lon FLOAT NOT NULL GENERATED ALWAYS AS (CAST (data->'coords'->>'lon' AS FLOAT)) STORED;
+alter table de drop column name;
+alter table de add column name TEXT NOT NULL GENERATED ALWAYS AS (CAST (data->>'name' AS TEXT)) STORED;
+alter table de drop column type_common_name;
+alter table de add column type_common_name TEXT NOT NULL GENERATED ALWAYS AS (CAST (data->>'type_common_name' AS TEXT)) STORED;
+alter table de drop column type;
+alter table de add column type TEXT NOT NULL GENERATED ALWAYS AS (CAST (data->>'type' AS TEXT)) STORED;
+alter table de add column calendar_url TEXT GENERATED ALWAYS AS (CAST (data->'props'->>'calendar_url' AS TEXT)) STORED;
+alter table de drop column tumonline_room_nr;
+alter table de add column tumonline_room_nr INTEGER GENERATED ALWAYS AS (CAST (data->'props'->>'tumonline_room_nr' AS INTEGER)) STORED;
+
+alter table en alter column data type jsonb using data::jsonb;
+alter table en drop column lat;
+alter table en add column lat FLOAT NOT NULL GENERATED ALWAYS AS (CAST (data->'coords'->>'lat' AS FLOAT)) STORED;
+alter table en drop column lon;
+alter table en add column lon FLOAT NOT NULL GENERATED ALWAYS AS (CAST (data->'coords'->>'lon' AS FLOAT)) STORED;
+alter table en drop column name;
+alter table en add column name TEXT NOT NULL GENERATED ALWAYS AS (CAST (data->>'name' AS TEXT)) STORED;
+alter table en drop column type_common_name;
+alter table en add column type_common_name TEXT NOT NULL GENERATED ALWAYS AS (CAST (data->>'type_common_name' AS TEXT)) STORED;
+alter table en drop column type;
+alter table en add column type TEXT NOT NULL GENERATED ALWAYS AS (CAST (data->>'type' AS TEXT)) STORED;
+alter table en add column calendar_url TEXT GENERATED ALWAYS AS (CAST (data->'props'->>'calendar_url' AS TEXT)) STORED;
+alter table en drop column tumonline_room_nr;
+alter table en add column tumonline_room_nr INTEGER GENERATED ALWAYS AS (CAST (data->'props'->>'tumonline_room_nr' AS INTEGER)) STORED;