Merge pull request #58 from UniqueNetwork/bugfix/view_tokens-migration

Migration for return date_of_creation field to view_tokens.

Author: SergeyOkishev

sequelize/migrations/20220305171409-alter-view_tokens.js

@@ -0,0 +1,68 @@
+'use strict';
+
+module.exports = {
+  up: async (queryInterface, Sequelize) => {
+    const transaction = await queryInterface.sequelize.transaction();
+    try {
+      await queryInterface.sequelize.query('DROP VIEW view_tokens;', { transaction });
+      await queryInterface.sequelize.query(`
+        --beginsql
+        CREATE OR REPLACE VIEW public.view_tokens as
+        select
+        t.token_id, t.collection_id, t.data, t.owner,
+                coalesce(
+                        t.data::json->>'ipfsJson',
+                        replace(coalesce(c.offchain_schema, ''), '{id}', t.token_id::varchar(255)),
+                        ''
+                    ) as image_path,
+               c.token_prefix as token_prefix,
+               c.name as collection_name,
+               c.description as collection_description,
+               c.variable_on_chain_schema::json ->> 'collectionCover'::text AS collection_cover,
+               t.date_of_creation
+        from tokens t
+        left join collections c on c.collection_id = t.collection_id
+        --endsql
+      `, {
+        transaction
+      });
+      await transaction.commit();
+    } catch (err) {
+      console.error(err);
+      await transaction.rollback();
+      throw err;
+    }
+  },
+
+  down: async (queryInterface, Sequelize) => {
+    const transaction = await queryInterface.sequelize.transaction();
+    try {
+      await queryInterface.sequelize.query('DROP VIEW view_tokens;', { transaction });
+      await queryInterface.sequelize.query(`
+        --beginsql
+        CREATE OR REPLACE VIEW public.view_tokens as
+        select
+        t.token_id, t.collection_id, t.data, t.owner,
+                coalesce(
+                        t.data::json->>'ipfsJson',
+                        replace(coalesce(c.offchain_schema, ''), '{id}', t.token_id::varchar(255)),
+                        ''
+                    ) as image_path,
+               c.token_prefix as token_prefix,
+               c.name as collection_name,
+               c.description as collection_description,
+               c.variable_on_chain_schema::json ->> 'collectionCover'::text AS collection_cover
+        from tokens t
+        left join collections c on c.collection_id = t.collection_id
+        --endsql
+      `, {
+        transaction
+      });
+      await transaction.commit();
+    } catch (err) {
+      console.error(err);
+      await transaction.rollback();
+      throw err;
+    }
+  }
+};