Removed nested offers code under memberships

no refs

- offers has moved out to its own page in Admin, the old route and controller for wiring of offers under membership screen is no longer needed

ghost/admin/app/controllers/settings/membership/offer.js

@@ -1,25 +0,0 @@
-import Controller from '@ember/controller';
-import {inject as service} from '@ember/service';
-import {task} from 'ember-concurrency-decorators';
-
-export default class SettingsMembershipOfferController extends Controller {
-    @service settings;
-    @service router;
-
-    @task
-    *saveTask() {
-        try {
-            if (this.settings.get('errors').length !== 0) {
-                return;
-            }
-            yield this.settings.save();
-            this.router.transitionTo('settings.membership');
-            return true;
-        } catch (error) {
-            if (error) {
-                this.notifications.showAPIError(error);
-                throw error;
-            }
-        }
-    }
-}

ghost/admin/app/routes/settings/membership/offer.js

@@ -1,94 +0,0 @@
-import AuthenticatedRoute from 'ghost-admin/routes/authenticated';
-import {action} from '@ember/object';
-import {bind} from '@ember/runloop';
-import {inject as service} from '@ember/service';
-
-export default class SettingsMembershipOfferRoute extends AuthenticatedRoute {
-    @service feature;
-    @service modals;
-    @service settings;
-
-    offerModal = null;
-    confirmModal = null;
-    hasConfirmed = false;
-
-    beforeModel() {
-        super.beforeModel(...arguments);
-
-        if (!this.session.user.isAdmin) {
-            return this.transitionTo('site');
-        }
-
-        if (!this.feature.offers) {
-            return this.transitionTo('settings');
-        }
-    }
-
-    activate() {
-        this.offerModal = this.modals.open('modals/membership/offer', {
-            saveTask: this.controllerFor('settings.membership.offer').saveTask
-        }, {
-            className: 'fullscreen-modal-wide fullscreen-modal-action fullscreen-modal-edit-offer',
-            beforeClose: bind(this, this.beforeModalClose)
-        });
-    }
-
-    @action
-    willTransition(transition) {
-        if (this.hasConfirmed) {
-            return true;
-        }
-
-        // always abort when not confirmed because Ember's router doesn't automatically wait on promises
-        transition.abort();
-
-        this.confirmUnsavedChanges().then((shouldLeave) => {
-            if (shouldLeave) {
-                this.hasConfirmed = true;
-                return transition.retry();
-            }
-        });
-    }
-
-    deactivate() {
-        this.offerModal?.close();
-        this.offerModal = null;
-        this.confirmModal = null;
-        this.hasConfirmed = false;
-    }
-
-    async beforeModalClose() {
-        if (this.hasConfirmed) {
-            return;
-        }
-
-        const shouldLeave = await this.confirmUnsavedChanges();
-
-        if (shouldLeave === true) {
-            this.transitionTo('settings.membership');
-        } else {
-            // prevent modal from closing
-            return false;
-        }
-    }
-
-    confirmUnsavedChanges() {
-        if (!this.settings.get('hasDirtyAttributes')) {
-            return Promise.resolve(true);
-        }
-
-        if (!this.confirmModal) {
-            this.confirmModal = this.modals.open('modals/confirm-unsaved-changes')
-                .then((discardChanges) => {
-                    if (discardChanges === true) {
-                        this.settings.rollbackAttributes();
-                    }
-                    return discardChanges;
-                }).finally(() => {
-                    this.confirmModal = null;
-                });
-        }
-
-        return this.confirmModal;
-    }
-}