refactor progress

packages/api/src/channel/services/message/MessageContentService.tsx

@@ -0,0 +1,89 @@
+/*
+ * Copyright (C) 2026 Fluxer Contributors
+ *
+ * This file is part of Fluxer.
+ *
+ * Fluxer 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, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * Fluxer 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 Fluxer. If not, see <https://www.gnu.org/licenses/>.
+ */
+
+import type {GuildID, UserID, WebhookID} from '@fluxer/api/src/BrandedTypes';
+import type {IGuildRepositoryAggregate} from '@fluxer/api/src/guild/repositories/IGuildRepositoryAggregate';
+import type {LimitConfigService} from '@fluxer/api/src/limits/LimitConfigService';
+import type {Channel} from '@fluxer/api/src/models/Channel';
+import type {PackService} from '@fluxer/api/src/pack/PackService';
+import type {IUserRepository} from '@fluxer/api/src/user/IUserRepository';
+import * as EmojiUtils from '@fluxer/api/src/utils/EmojiUtils';
+import {ChannelTypes} from '@fluxer/constants/src/ChannelConstants';
+import {GuildExplicitContentFilterTypes} from '@fluxer/constants/src/GuildConstants';
+import type {GuildMemberResponse} from '@fluxer/schema/src/domains/guild/GuildMemberSchemas';
+import type {GuildResponse} from '@fluxer/schema/src/domains/guild/GuildResponseSchemas';
+
+export class MessageContentService {
+	constructor(
+		private userRepository: IUserRepository,
+		private guildRepository: IGuildRepositoryAggregate,
+		private packService: PackService,
+		private limitConfigService: LimitConfigService,
+	) {}
+
+	async sanitizeCustomEmojis(params: {
+		content: string;
+		userId: UserID | null;
+		webhookId: WebhookID | null;
+		guildId: GuildID | null;
+		hasPermission?: (permission: bigint) => Promise<boolean>;
+	}): Promise<string> {
+		const packResolver = await this.packService.createPackExpressionAccessResolver({
+			userId: params.userId,
+			type: 'emoji',
+		});
+
+		return await EmojiUtils.sanitizeCustomEmojis({
+			...params,
+			userRepository: this.userRepository,
+			guildRepository: this.guildRepository,
+			packResolver,
+			limitConfigService: this.limitConfigService,
+		});
+	}
+
+	isNSFWContentAllowed(params: {
+		channel?: Channel;
+		guild?: GuildResponse | null;
+		member?: GuildMemberResponse | null;
+	}): boolean {
+		const {channel, guild, member} = params;
+
+		if (channel?.type === ChannelTypes.GUILD_TEXT && channel.isNsfw) {
+			return true;
+		}
+
+		if (!guild) {
+			return false;
+		}
+
+		const explicitContentFilter = guild.explicit_content_filter;
+
+		if (explicitContentFilter === GuildExplicitContentFilterTypes.DISABLED) {
+			return true;
+		}
+
+		if (explicitContentFilter === GuildExplicitContentFilterTypes.MEMBERS_WITHOUT_ROLES) {
+			const hasRoles = member && member.roles.length > 0;
+			return !!hasRoles;
+		}
+
+		return false;
+	}
+}