discourse-data-explorer/db/migrate/20200810053843_create_data_...

87 lines
2.6 KiB
Ruby

# frozen_string_literal: true
class CreateDataExplorerQueries < ActiveRecord::Migration[6.0]
def up
create_table :data_explorer_queries do |t|
t.string :name
t.text :description
t.text :sql, default: "SELECT 1", null: false
t.integer :user_id
t.datetime :last_run_at
t.boolean :hidden, default: false, null: false
t.timestamps
end
create_table :data_explorer_query_groups do |t|
t.integer :query_id
t.integer :group_id
t.index :query_id
t.index :group_id
end
add_index(:data_explorer_query_groups, [:query_id, :group_id], unique: true)
DB.exec <<~SQL, now: Time.zone.now
INSERT INTO data_explorer_queries(id, name, description, sql, user_id, last_run_at, hidden, created_at, updated_at)
SELECT
(replace(key, 'q:',''))::integer,
value::json->>'name',
value::json->>'description',
value::json->>'sql',
CASE WHEN (value::json->'created_by')::text = 'null' THEN
null
WHEN (value::json->'created_by')::text = '""' THEN
null
WHEN (value::jsonb ? 'created_by') THEN
(value::json->>'created_by')::integer
ELSE
null
END,
CASE WHEN (value::json->'last_run_at')::text = 'null' THEN
null
WHEN (value::json->'last_run_at')::text = '""' THEN
null
ELSE
(value::json->'last_run_at')::text::timestamptz
END,
CASE WHEN (value::json->'hidden')::text = 'null' THEN
false
WHEN (value::jsonb ? 'hidden') THEN
(value::json->'hidden')::text::boolean
ELSE
false
END,
:now,
:now
FROM plugin_store_rows
WHERE plugin_name = 'discourse-data-explorer' AND type_name = 'JSON'
SQL
DB.query("SELECT * FROM plugin_store_rows WHERE plugin_name = 'discourse-data-explorer' AND type_name = 'JSON'").each do |row|
json = JSON.parse(row.value)
next if json['group_ids'].blank?
query_id = DB.query("SELECT id FROM data_explorer_queries WHERE
name = ? AND sql = ?", json['name'], json['sql']).first.id
json['group_ids'].each do |group_id|
next if group_id.blank? || query_id.blank?
DB.exec <<~SQL
INSERT INTO data_explorer_query_groups(query_id, group_id)
VALUES(#{query_id}, #{group_id})
SQL
end
end
DB.exec <<~SQL
SELECT
setval(
pg_get_serial_sequence('data_explorer_queries', 'id'),
(select max(id) from data_explorer_queries)
);
SQL
end
def down
raise ActiveRecord::IrreversibleMigration
end
end