Added new settings for members signup redirects

refs TryGhost#12366

Two new settings for redirecting members after signup, based on if
they're paid or free, defaulting to the current redirect of "/"

core/server/data/migrations/versions/3.39/01-add-members-signup-redirect-settings.js

@@ -0,0 +1,16 @@
+const logging = require('../../../../../shared/logging');
+const {createTransactionalMigration} = require('../../utils');
+
+module.exports = createTransactionalMigration(
+
+    async function up(connection) {
+        logging.info('Adding members_{paid,free}_signup_redirect settings to the members group');
+        await connection('settings')
+            .whereIn('key', ['members_paid_signup_redirect', 'members_free_signup_redirect'])
+            .update({
+                group: 'members'
+            });
+    },
+
+    async function down() {}
+);

core/server/data/schema/default-settings.json

@@ -258,6 +258,14 @@
             },
             "type": "string"
         },
+        "members_free_signup_redirect": {
+            "defaultValue": "/",
+            "type": "string"
+        },
+        "members_paid_signup_redirect": {
+            "defaultValue": "/",
+            "type": "string"
+        },
         "stripe_product_name": {
             "defaultValue": "Ghost Subscription",
             "type": "string"

test/unit/data/schema/integrity_spec.js

@@ -34,7 +34,7 @@ describe('DB version integrity', function () {
     // Only these variables should need updating
     const currentSchemaHash = '102b04bbd38cd2451fbf0957ffc35b30';
     const currentFixturesHash = 'd46d696c94d03e41a5903500547fea77';
-    const currentSettingsHash = '984cddcac211510b71e049860b298ebc';
+    const currentSettingsHash = 'b7c0c2c6a4c61561dfefe642470d30f8';
     const currentRoutesHash = '3d180d52c663d173a6be791ef411ed01';
 
     // If this test is failing, then it is likely a change has been made that requires a DB version bump,