Migrated members importer to use tiers

refs https://github.com/TryGhost/Team/issues/2077

- The "productRepository" methods have been deprecated in favor of "tiers" and "Tiers API".
- The changes migrated usages of  "productRepository.getDefaultProduct" to Tiers API's "readDefaultTier"

ghost/core/core/server/services/members/service.js

@@ -16,6 +16,7 @@ const config = require('../../../shared/config');
 const models = require('../../models');
 const {GhostMailer} = require('../mail');
 const jobsService = require('../jobs');
+const tiersService = require('../tiers');
 const VerificationTrigger = require('@tryghost/verification-trigger');
 const DatabaseInfo = require('@tryghost/database-info');
 const settingsHelpers = require('../settings-helpers');
@@ -51,9 +52,8 @@ const membersImporter = new MembersCSVImporter({
         const api = await module.exports.api;
         return api.members;
     },
-    getDefaultTier: async () => {
-        const api = await module.exports.api;
-        return api.productRepository.getDefaultProduct;
+    getDefaultTier: () => {
+        return tiersService.api.readDefaultTier();
     },
     sendEmail: ghostMailer.send.bind(ghostMailer),
     isSet: labsService.isSet.bind(labsService),

ghost/members-importer/lib/importer.js

@@ -30,7 +30,7 @@ module.exports = class MembersCSVImporter {
      * @param {string} options.storagePath - The path to store CSV's in before importing
      * @param {Function} options.getTimezone - function returning currently configured timezone
      * @param {() => Object} options.getMembersRepository - member model access instance for data access and manipulation
-     * @param {() => Object} options.getDefaultTier - async function returning default Member Tier
+     * @param {() => Promise<import('@tryghost/tiers/lib/Tier')>} options.getDefaultTier - async function returning default Member Tier
      * @param {Function} options.sendEmail - function sending an email
      * @param {(string) => boolean} options.isSet - Method checking if specific feature is enabled
      * @param {({job, offloaded}) => void} options.addJob - Method registering an async job

ghost/tiers/lib/InMemoryTierRepository.js

@@ -17,6 +17,8 @@ class InMemoryTierRepository {
     toPrimitive(tier) {
         return {
             ...tier,
+            active: (tier.status === 'active'),
+            type: tier.type,
             id: tier.id.toHexString()
         };
     }

ghost/tiers/lib/TiersAPI.js

@@ -76,6 +76,21 @@ module.exports = class TiersAPI {
         return tier;
     }
 
+    /**
+     * Fetches the default tier
+     * @param {object} [options]
+     * @returns {Promise<Tier>}
+     */
+    async readDefaultTier(options = {}) {
+        const [defaultTier] = await this.#repository.getAll({
+            filter: 'type:paid+active:true',
+            limit: 1,
+            ...options
+        });
+
+        return defaultTier;
+    }
+
     /**
      * @param {string} id
      * @param {object} data

ghost/tiers/test/TiersAPI.test.js

@@ -72,4 +72,10 @@ describe('TiersAPI', function () {
         assert(page.data.length === 2);
         assert(page.meta.pagination.total === 2);
     });
+
+    it('Can read a default tier', async function () {
+        const defaultTier = await api.readDefaultTier();
+
+        assert.equal(defaultTier?.name, 'My testing Tier');
+    });
 });