4 files changed, 244 insertions, 0 deletions
diff --git a/src/server/api/endpoints/gallery/posts/create.ts b/src/server/api/endpoints/gallery/posts/create.ts
new file mode 100644
index 0000000000..d1ae68b126
--- /dev/null
+++ b/src/server/api/endpoints/gallery/posts/create.ts
@@ -0,0 +1,76 @@
+import $ from 'cafy';
+import * as ms from 'ms';
+import define from '../../../define';
+import { ID } from '../../../../../misc/cafy-id';
+import { DriveFiles, GalleryPosts } from '../../../../../models';
+import { genId } from '../../../../../misc/gen-id';
+import { GalleryPost } from '../../../../../models/entities/gallery-post';
+import { ApiError } from '../../../error';
+
+export const meta = {
+	tags: ['gallery'],
+
+	requireCredential: true as const,
+
+	kind: 'write:gallery',
+
+	limit: {
+		duration: ms('1hour'),
+		max: 300
+	},
+
+	params: {
+		title: {
+			validator: $.str.min(1),
+		},
+
+		description: {
+			validator: $.optional.nullable.str,
+		},
+
+		fileIds: {
+			validator: $.arr($.type(ID)).unique().range(1, 32),
+		},
+
+		isSensitive: {
+			validator: $.optional.bool,
+			default: false,
+		},
+	},
+
+	res: {
+		type: 'object' as const,
+		optional: false as const, nullable: false as const,
+		ref: 'GalleryPost',
+	},
+
+	errors: {
+
+	}
+};
+
+export default define(meta, async (ps, user) => {
+	const files = (await Promise.all(ps.fileIds.map(fileId =>
+		DriveFiles.findOne({
+			id: fileId,
+			userId: user.id
+		})
+	))).filter(file => file != null);
+
+	if (files.length === 0) {
+		throw new Error();
+	}
+
+	const post = await GalleryPosts.insert(new GalleryPost({
+		id: genId(),
+		createdAt: new Date(),
+		updatedAt: new Date(),
+		title: ps.title,
+		description: ps.description,
+		userId: user.id,
+		isSensitive: ps.isSensitive,
+		fileIds: files.map(file => file.id)
+	})).then(x => GalleryPosts.findOneOrFail(x.identifiers[0]));
+
+	return await GalleryPosts.pack(post, user);
+});
diff --git a/src/server/api/endpoints/gallery/posts/like.ts b/src/server/api/endpoints/gallery/posts/like.ts
new file mode 100644
index 0000000000..3bf37c13e3
--- /dev/null
+++ b/src/server/api/endpoints/gallery/posts/like.ts
@@ -0,0 +1,71 @@
+import $ from 'cafy';
+import { ID } from '@/misc/cafy-id';
+import define from '../../../define';
+import { ApiError } from '../../../error';
+import { GalleryPosts, GalleryLikes } from '../../../../../models';
+import { genId } from '@/misc/gen-id';
+
+export const meta = {
+	tags: ['gallery'],
+
+	requireCredential: true as const,
+
+	kind: 'write:gallery-likes',
+
+	params: {
+		postId: {
+			validator: $.type(ID),
+		}
+	},
+
+	errors: {
+		noSuchPost: {
+			message: 'No such post.',
+			code: 'NO_SUCH_POST',
+			id: '56c06af3-1287-442f-9701-c93f7c4a62ff'
+		},
+
+		yourPost: {
+			message: 'You cannot like your post.',
+			code: 'YOUR_POST',
+			id: 'f78f1511-5ebc-4478-a888-1198d752da68'
+		},
+
+		alreadyLiked: {
+			message: 'The post has already been liked.',
+			code: 'ALREADY_LIKED',
+			id: '40e9ed56-a59c-473a-bf3f-f289c54fb5a7'
+		},
+	}
+};
+
+export default define(meta, async (ps, user) => {
+	const post = await GalleryPosts.findOne(ps.postId);
+	if (post == null) {
+		throw new ApiError(meta.errors.noSuchPost);
+	}
+
+	if (post.userId === user.id) {
+		throw new ApiError(meta.errors.yourPost);
+	}
+
+	// if already liked
+	const exist = await GalleryLikes.findOne({
+		postId: post.id,
+		userId: user.id
+	});
+
+	if (exist != null) {
+		throw new ApiError(meta.errors.alreadyLiked);
+	}
+
+	// Create like
+	await GalleryLikes.insert({
+		id: genId(),
+		createdAt: new Date(),
+		postId: post.id,
+		userId: user.id
+	});
+
+	GalleryPosts.increment({ id: post.id }, 'likedCount', 1);
+});
diff --git a/src/server/api/endpoints/gallery/posts/show.ts b/src/server/api/endpoints/gallery/posts/show.ts
new file mode 100644
index 0000000000..17628544b7
--- /dev/null
+++ b/src/server/api/endpoints/gallery/posts/show.ts
@@ -0,0 +1,43 @@
+import $ from 'cafy';
+import { ID } from '@/misc/cafy-id';
+import define from '../../../define';
+import { ApiError } from '../../../error';
+import { GalleryPosts } from '@/models';
+
+export const meta = {
+	tags: ['gallery'],
+
+	requireCredential: false as const,
+
+	params: {
+		postId: {
+			validator: $.type(ID),
+		},
+	},
+
+	errors: {
+		noSuchPost: {
+			message: 'No such post.',
+			code: 'NO_SUCH_POST',
+			id: '1137bf14-c5b0-4604-85bb-5b5371b1cd45'
+		},
+	},
+
+	res: {
+		type: 'object' as const,
+		optional: false as const, nullable: false as const,
+		ref: 'GalleryPost'
+	}
+};
+
+export default define(meta, async (ps, me) => {
+	const post = await GalleryPosts.findOne({
+		id: ps.postId,
+	});
+
+	if (post == null) {
+		throw new ApiError(meta.errors.noSuchPost);
+	}
+
+	return await GalleryPosts.pack(post, me);
+});
diff --git a/src/server/api/endpoints/gallery/posts/unlike.ts b/src/server/api/endpoints/gallery/posts/unlike.ts
new file mode 100644
index 0000000000..155949ae3d
--- /dev/null
+++ b/src/server/api/endpoints/gallery/posts/unlike.ts
@@ -0,0 +1,54 @@
+import $ from 'cafy';
+import { ID } from '@/misc/cafy-id';
+import define from '../../../define';
+import { ApiError } from '../../../error';
+import { GalleryPosts, GalleryLikes } from '../../../../../models';
+
+export const meta = {
+	tags: ['gallery'],
+
+	requireCredential: true as const,
+
+	kind: 'write:gallery-likes',
+
+	params: {
+		postId: {
+			validator: $.type(ID),
+		}
+	},
+
+	errors: {
+		noSuchPost: {
+			message: 'No such post.',
+			code: 'NO_SUCH_POST',
+			id: 'c32e6dd0-b555-4413-925e-b3757d19ed84'
+		},
+
+		notLiked: {
+			message: 'You have not liked that post.',
+			code: 'NOT_LIKED',
+			id: 'e3e8e06e-be37-41f7-a5b4-87a8250288f0'
+		},
+	}
+};
+
+export default define(meta, async (ps, user) => {
+	const post = await GalleryPosts.findOne(ps.postId);
+	if (post == null) {
+		throw new ApiError(meta.errors.noSuchPost);
+	}
+
+	const exist = await GalleryLikes.findOne({
+		postId: post.id,
+		userId: user.id
+	});
+
+	if (exist == null) {
+		throw new ApiError(meta.errors.notLiked);
+	}
+
+	// Delete like
+	await GalleryLikes.delete(exist.id);
+
+	GalleryPosts.decrement({ id: post.id }, 'likedCount', 1);
+});