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/*
* Copyright (C) 2021-2022 Kristóf Marussy <kristof@marussy.com>
*
* This file is part of Sophie.
*
* Sophie is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, version 3.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*
* SPDX-License-Identifier: AGPL-3.0-only
*/
import { sharedStore as originalSharedStore } from '@sophie/shared';
import {
applySnapshot,
getSnapshot,
IMSTArray,
IMSTMap,
Instance,
IReferenceType,
IStateTreeNode,
IType,
resolveIdentifier,
types,
} from 'mobx-state-tree';
import { getLogger } from '../utils/log';
import overrideProps from '../utils/overrideProps';
import { globalSettings, GlobalSettingsSnapshotIn } from './GlobalSettings';
import { addMissingProfileIds, profile, ProfileConfig } from './Profile';
import {
addMissingServiceIdsAndProfiles,
service,
ServiceConfig,
} from './Service';
const log = getLogger('sharedStore');
export interface Config extends GlobalSettingsSnapshotIn {
profiles?: ProfileConfig[] | undefined;
services?: ServiceConfig[] | undefined;
}
function getConfigs<T>(models: { config: T }[]): T[] | undefined {
return models.length === 0 ? undefined : models.map((model) => model.config);
}
type TypeWithSettings<C> = IType<
{ id: string; settings: C },
unknown,
{ settings: IStateTreeNode<IType<C, unknown, unknown>> }
>;
function deleteStaleModels<C, D extends TypeWithSettings<C>>(
currentById: IMSTMap<D>,
toApplyById: Map<string, C>,
): void {
const toDelete = new Set(currentById.keys());
toApplyById.forEach((_settings, id) => toDelete.delete(id));
toDelete.forEach((id) => currentById.delete(id));
}
function applySettings<C, D extends TypeWithSettings<C>>(
currentById: IMSTMap<D>,
toApplyById: Map<string, C>,
): void {
toApplyById.forEach((settingsSnapshot, id) => {
const model = currentById.get(id);
if (model === undefined) {
currentById.set(id, {
id,
settings: settingsSnapshot,
});
} else {
applySnapshot(model.settings, settingsSnapshot);
}
});
}
function pushReferences<C, D extends TypeWithSettings<C>>(
list: IMSTArray<IReferenceType<D>>,
toApply: [string, C][],
): void {
list.push(...toApply.map(([id]) => id));
}
export const sharedStore = overrideProps(originalSharedStore, {
settings: types.optional(globalSettings, {}),
profilesById: types.map(profile),
profiles: types.array(types.reference(profile)),
servicesById: types.map(service),
services: types.array(types.reference(service)),
selectedService: types.safeReference(service),
})
.views((self) => ({
get config(): Config {
const { settings, profiles, services } = self;
const globalSettingsConfig = getSnapshot(settings);
return {
...globalSettingsConfig,
profiles: getConfigs(profiles),
services: getConfigs(services),
};
},
}))
.actions((self) => ({
loadConfig(config: Config): void {
// `onPatch` will send store changes piecemeal without any attention to
// transaction boundaries. We must make sure that any state communicated to the
// renderer process is actually valid.
const {
profiles,
profilesById,
selectedService,
services,
servicesById,
settings,
} = self;
const { id: selectedServiceId } = selectedService ?? { id: undefined };
const {
profiles: profilesConfig,
services: servicesConfig,
...settingsToApply
} = config;
const profilesToApply = addMissingProfileIds(profilesConfig);
const servicesToApply = addMissingServiceIdsAndProfiles(
servicesConfig,
profilesToApply,
);
const profilesToApplyById = new Map(profilesToApply);
const servicesToApplyById = new Map(servicesToApply);
// First remove any references to profiles and services that might be deleted.
self.selectedService = undefined;
services.clear();
profiles.clear();
// Delete all services that may depend on profiles that will be delete.
deleteStaleModels(servicesById, servicesToApplyById);
// Update existing profiles and add new profiles.
applySettings(profilesById, profilesToApplyById);
// Update existing services and add new services. This will make sure that no service
// depends on a profile that will be deleted.
applySettings(servicesById, servicesToApplyById);
// Now it's safe to delete stale profiles.
deleteStaleModels(profilesById, profilesToApplyById);
// We are ready to build new profile and service lists from the new models.
pushReferences(profiles, profilesToApply);
pushReferences(services, servicesToApply);
// Global settings may refer to particular profiles or services.
applySnapshot(settings, settingsToApply);
// Restore service selection (if applicable).
let newSelectedService;
if (selectedServiceId !== undefined) {
newSelectedService = servicesById.get(selectedServiceId);
}
if (newSelectedService === undefined && services.length > 0) {
[newSelectedService] = services;
}
self.selectedService = newSelectedService;
},
setShouldUseDarkColors(shouldUseDarkColors: boolean): void {
self.shouldUseDarkColors = shouldUseDarkColors;
},
setSelectedServiceId(serviceId: string): void {
const serviceInstance = resolveIdentifier(service, self, serviceId);
if (serviceInstance === undefined) {
log.warn('Trying to select unknown service', serviceId);
return;
}
self.selectedService = serviceInstance;
log.debug('Selected service', serviceId);
},
}));
export interface SharedStore extends Instance<typeof sharedStore> {}
export type {
SharedStoreSnapshotIn,
SharedStoreSnapshotOut,
} from '@sophie/shared';
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