1 files changed, 148 insertions, 0 deletions
diff --git a/packages/backend/src/server/api/endpoints/messaging/messages.ts b/packages/backend/src/server/api/endpoints/messaging/messages.ts
new file mode 100644
index 0000000000..6baa24609e
--- /dev/null
+++ b/packages/backend/src/server/api/endpoints/messaging/messages.ts
@@ -0,0 +1,148 @@
+import $ from 'cafy';
+import { ID } from '@/misc/cafy-id';
+import define from '../../define';
+import { ApiError } from '../../error';
+import { getUser } from '../../common/getters';
+import { MessagingMessages, UserGroups, UserGroupJoinings, Users } from '@/models/index';
+import { makePaginationQuery } from '../../common/make-pagination-query';
+import { Brackets } from 'typeorm';
+import { readUserMessagingMessage, readGroupMessagingMessage, deliverReadActivity } from '../../common/read-messaging-message';
+
+export const meta = {
+	tags: ['messaging'],
+
+	requireCredential: true as const,
+
+	kind: 'read:messaging',
+
+	params: {
+		userId: {
+			validator: $.optional.type(ID),
+		},
+
+		groupId: {
+			validator: $.optional.type(ID),
+		},
+
+		limit: {
+			validator: $.optional.num.range(1, 100),
+			default: 10
+		},
+
+		sinceId: {
+			validator: $.optional.type(ID),
+		},
+
+		untilId: {
+			validator: $.optional.type(ID),
+		},
+
+		markAsRead: {
+			validator: $.optional.bool,
+			default: true
+		}
+	},
+
+	res: {
+		type: 'array' as const,
+		optional: false as const, nullable: false as const,
+		items: {
+			type: 'object' as const,
+			optional: false as const, nullable: false as const,
+			ref: 'MessagingMessage',
+		}
+	},
+
+	errors: {
+		noSuchUser: {
+			message: 'No such user.',
+			code: 'NO_SUCH_USER',
+			id: '11795c64-40ea-4198-b06e-3c873ed9039d'
+		},
+
+		noSuchGroup: {
+			message: 'No such group.',
+			code: 'NO_SUCH_GROUP',
+			id: 'c4d9f88c-9270-4632-b032-6ed8cee36f7f'
+		},
+
+		groupAccessDenied: {
+			message: 'You can not read messages of groups that you have not joined.',
+			code: 'GROUP_ACCESS_DENIED',
+			id: 'a053a8dd-a491-4718-8f87-50775aad9284'
+		},
+	}
+};
+
+export default define(meta, async (ps, user) => {
+	if (ps.userId != null) {
+		// Fetch recipient (user)
+		const recipient = await getUser(ps.userId).catch(e => {
+			if (e.id === '15348ddd-432d-49c2-8a5a-8069753becff') throw new ApiError(meta.errors.noSuchUser);
+			throw e;
+		});
+
+		const query = makePaginationQuery(MessagingMessages.createQueryBuilder('message'), ps.sinceId, ps.untilId)
+			.andWhere(new Brackets(qb => { qb
+				.where(new Brackets(qb => { qb
+					.where('message.userId = :meId')
+					.andWhere('message.recipientId = :recipientId');
+				}))
+				.orWhere(new Brackets(qb => { qb
+					.where('message.userId = :recipientId')
+					.andWhere('message.recipientId = :meId');
+				}));
+			}))
+			.setParameter('meId', user.id)
+			.setParameter('recipientId', recipient.id);
+
+		const messages = await query.take(ps.limit!).getMany();
+
+		// Mark all as read
+		if (ps.markAsRead) {
+			readUserMessagingMessage(user.id, recipient.id, messages.filter(m => m.recipientId === user.id).map(x => x.id));
+
+			// リモートユーザーとのメッセージだったら既読配信
+			if (Users.isLocalUser(user) && Users.isRemoteUser(recipient)) {
+				deliverReadActivity(user, recipient, messages);
+			}
+		}
+
+		return await Promise.all(messages.map(message => MessagingMessages.pack(message, user, {
+			populateRecipient: false
+		})));
+	} else if (ps.groupId != null) {
+		// Fetch recipient (group)
+		const recipientGroup = await UserGroups.findOne(ps.groupId);
+
+		if (recipientGroup == null) {
+			throw new ApiError(meta.errors.noSuchGroup);
+		}
+
+		// check joined
+		const joining = await UserGroupJoinings.findOne({
+			userId: user.id,
+			userGroupId: recipientGroup.id
+		});
+
+		if (joining == null) {
+			throw new ApiError(meta.errors.groupAccessDenied);
+		}
+
+		const query = makePaginationQuery(MessagingMessages.createQueryBuilder('message'), ps.sinceId, ps.untilId)
+			.andWhere(`message.groupId = :groupId`, { groupId: recipientGroup.id });
+
+		const messages = await query.take(ps.limit!).getMany();
+
+		// Mark all as read
+		if (ps.markAsRead) {
+			readGroupMessagingMessage(user.id, recipientGroup.id, messages.map(x => x.id));
+		}
+
+		return await Promise.all(messages.map(message => MessagingMessages.pack(message, user, {
+			populateGroup: false
+		})));
+	} else {
+		throw new Error();
+	}
+});