enhance: Add canCreateChannel role policy (#17121)

* Initial plan

* Add canCreateChannel role policy to control channel creation

Co-authored-by: syuilo <4439005+syuilo@users.noreply.github.com>

* Add canCreateChannel to getUserPolicies return value

Co-authored-by: syuilo <4439005+syuilo@users.noreply.github.com>

* Add canCreateChannel translations for en-US and ja-JP

Co-authored-by: syuilo <4439005+syuilo@users.noreply.github.com>

* Add canCreateChannel to misskey-js rolePolicies array

Co-authored-by: syuilo <4439005+syuilo@users.noreply.github.com>

* Add frontend UI for canCreateChannel policy configuration

Co-authored-by: syuilo <4439005+syuilo@users.noreply.github.com>

* fix: build autogen files

* 🎨

* migrate

* fix: unnecessary changes to non-Japanese locales

---------

Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com>
Co-authored-by: syuilo <4439005+syuilo@users.noreply.github.com>
Co-authored-by: kakkokari-gtyih <67428053+kakkokari-gtyih@users.noreply.github.com>

packages/backend/src/core/RoleService.ts

@@ -47,6 +47,7 @@ export type RolePolicies = {
 	canSearchUsers: boolean;
 	canUseTranslator: boolean;
 	canHideAds: boolean;
+	canCreateChannel: boolean;
 	driveCapacityMb: number;
 	maxFileSizeMb: number;
 	alwaysMarkNsfw: boolean;
@@ -88,6 +89,7 @@ export const DEFAULT_POLICIES: RolePolicies = {
 	canSearchUsers: true,
 	canUseTranslator: true,
 	canHideAds: false,
+	canCreateChannel: true,
 	driveCapacityMb: 100,
 	maxFileSizeMb: 30,
 	alwaysMarkNsfw: false,
@@ -410,6 +412,7 @@ export class RoleService implements OnApplicationShutdown, OnModuleInit {
 			canSearchUsers: calc('canSearchUsers', vs => vs.some(v => v === true)),
 			canUseTranslator: calc('canUseTranslator', vs => vs.some(v => v === true)),
 			canHideAds: calc('canHideAds', vs => vs.some(v => v === true)),
+			canCreateChannel: calc('canCreateChannel', vs => vs.some(v => v === true)),
 			driveCapacityMb: calc('driveCapacityMb', vs => Math.max(...vs)),
 			maxFileSizeMb: calc('maxFileSizeMb', vs => Math.max(...vs)),
 			alwaysMarkNsfw: calc('alwaysMarkNsfw', vs => vs.some(v => v === true)),

packages/backend/src/models/json-schema/role.ts

@@ -224,6 +224,10 @@ export const packedRolePoliciesSchema = {
 			type: 'boolean',
 			optional: false, nullable: false,
 		},
+		canCreateChannel: {
+			type: 'boolean',
+			optional: false, nullable: false,
+		},
 		driveCapacityMb: {
 			type: 'integer',
 			optional: false, nullable: false,

packages/backend/src/server/api/endpoints/channels/create.ts

@@ -22,6 +22,8 @@ export const meta = {
 
 	kind: 'write:channels',
 
+	requiredRolePolicy: 'canCreateChannel',
+
 	limit: {
 		duration: ms('1hour'),
 		max: 10,

packages/frontend/src/pages/admin/roles.policy-editor.vue

@@ -161,6 +161,16 @@ SPDX-License-Identifier: AGPL-3.0-only
 			</template>
 		</XFolder>
 
+		<XFolder v-if="matchQuery([i18n.ts._role._options.canCreateChannel, 'canCreateChannel'])" v-model:policyMeta="policyMetaModel.canCreateChannel" :isBaseRole="isBaseRole" :readonly="readonly">
+			<template #label>{{ i18n.ts._role._options.canCreateChannel }}</template>
+			<template #suffix>{{ valuesModel.canCreateChannel ? i18n.ts.yes : i18n.ts.no }}</template>
+			<template #default="{ disabled }">
+				<MkSwitch v-model="valuesModel.canCreateChannel" :disabled="disabled">
+					<template #label>{{ i18n.ts.enable }}</template>
+				</MkSwitch>
+			</template>
+		</XFolder>
+
 		<XFolder v-if="matchQuery([i18n.ts._role._options.driveCapacity, 'driveCapacityMb'])" v-model:policyMeta="policyMetaModel.driveCapacityMb" :isBaseRole="isBaseRole" :readonly="readonly">
 			<template #label>{{ i18n.ts._role._options.driveCapacity }}</template>
 			<template #valueText>{{ valuesModel.driveCapacityMb }}MB</template>

packages/frontend/src/pages/channels.vue

@@ -50,7 +50,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 			</MkPagination>
 		</div>
 		<div v-else-if="tab === 'owned'" class="_gaps">
-			<MkButton type="routerLink" primary rounded to="/channels/new"><i class="ti ti-plus"></i> {{ i18n.ts.createNew }}</MkButton>
+			<MkButton v-if="$i?.policies.canCreateChannel" type="routerLink" primary rounded to="/channels/new"><i class="ti ti-plus"></i> {{ i18n.ts.createNew }}</MkButton>
 			<MkPagination v-slot="{items}" :paginator="ownedPaginator">
 				<div :class="$style.root">
 					<MkChannelPreview v-for="channel in items" :key="channel.id" :channel="channel"/>
@@ -74,6 +74,7 @@ import { definePage } from '@/page.js';
 import { i18n } from '@/i18n.js';
 import { useRouter } from '@/router.js';
 import { Paginator } from '@/utility/paginator.js';
+import { $i } from '@/i.js';
 
 const router = useRouter();
 

packages/i18n/src/autogen/locale.ts

@@ -8177,6 +8177,10 @@ export interface Locale extends ILocale {
              * 翻訳機能の利用
              */
             "canUseTranslator": string;
+            /**
+             * チャンネルの作成
+             */
+            "canCreateChannel": string;
             /**
              * アイコンデコレーションの最大取付個数
              */

packages/misskey-js/etc/misskey-js.api.md

@@ -3466,7 +3466,7 @@ type RoleLite = components['schemas']['RoleLite'];
 type RolePolicies = components['schemas']['RolePolicies'];
 
 // @public (undocumented)
-export const rolePolicies: readonly ["gtlAvailable", "ltlAvailable", "canPublicNote", "mentionLimit", "canInvite", "inviteLimit", "inviteLimitCycle", "inviteExpirationTime", "canManageCustomEmojis", "canManageAvatarDecorations", "canSearchNotes", "canSearchUsers", "canUseTranslator", "canHideAds", "driveCapacityMb", "maxFileSizeMb", "alwaysMarkNsfw", "canUpdateBioMedia", "pinLimit", "antennaLimit", "wordMuteLimit", "webhookLimit", "clipLimit", "noteEachClipsLimit", "userListLimit", "userEachUserListsLimit", "rateLimitFactor", "avatarDecorationLimit", "canImportAntennas", "canImportBlocking", "canImportFollowing", "canImportMuting", "canImportUserLists", "chatAvailability", "uploadableFileTypes", "noteDraftLimit", "scheduledNoteLimit", "watermarkAvailable"];
+export const rolePolicies: readonly ["gtlAvailable", "ltlAvailable", "canPublicNote", "mentionLimit", "canInvite", "inviteLimit", "inviteLimitCycle", "inviteExpirationTime", "canManageCustomEmojis", "canManageAvatarDecorations", "canSearchNotes", "canSearchUsers", "canUseTranslator", "canHideAds", "canCreateChannel", "driveCapacityMb", "maxFileSizeMb", "alwaysMarkNsfw", "canUpdateBioMedia", "pinLimit", "antennaLimit", "wordMuteLimit", "webhookLimit", "clipLimit", "noteEachClipsLimit", "userListLimit", "userEachUserListsLimit", "rateLimitFactor", "avatarDecorationLimit", "canImportAntennas", "canImportBlocking", "canImportFollowing", "canImportMuting", "canImportUserLists", "chatAvailability", "uploadableFileTypes", "noteDraftLimit", "scheduledNoteLimit", "watermarkAvailable"];
 
 // @public (undocumented)
 type RolesListResponse = operations['roles___list']['responses']['200']['content']['application/json'];

packages/misskey-js/src/autogen/types.ts

@@ -5322,6 +5322,7 @@ export type components = {
             canSearchUsers: boolean;
             canUseTranslator: boolean;
             canHideAds: boolean;
+            canCreateChannel: boolean;
             driveCapacityMb: number;
             maxFileSizeMb: number;
             uploadableFileTypes: string[];

packages/misskey-js/src/consts.ts

@@ -205,6 +205,7 @@ export const rolePolicies = [
 	'canSearchUsers',
 	'canUseTranslator',
 	'canHideAds',
+	'canCreateChannel',
 	'driveCapacityMb',
 	'maxFileSizeMb',
 	'alwaysMarkNsfw',