Improve error handling of API (#4345)

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* Update attached_notes.ts

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* Refactor

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* Update call.ts

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* ✌️

* Fix

src/server/api/endpoints/notes/create.ts

@@ -8,6 +8,7 @@ import DriveFile, { IDriveFile } from '../../../../models/drive-file';
 import create from '../../../../services/note/create';
 import define from '../../define';
 import fetchMeta from '../../../../misc/fetch-meta';
+import { ApiError } from '../../error';
 
 let maxNoteTextLength = 1000;
 
@@ -180,10 +181,42 @@ export const meta = {
 				}
 			}
 		}
+	},
+
+	errors: {
+		noSuchRenoteTarget: {
+			message: 'No such renote target.',
+			code: 'NO_SUCH_RENOTE_TARGET',
+			id: 'b5c90186-4ab0-49c8-9bba-a1f76c282ba4'
+		},
+
+		cannotReRenote: {
+			message: 'You can not Renote a pure Renote.',
+			code: 'CANNOT_RENOTE_TO_A_PURE_RENOTE',
+			id: 'fd4cc33e-2a37-48dd-99cc-9b806eb2031a'
+		},
+
+		noSuchReplyTarget: {
+			message: 'No such reply target.',
+			code: 'NO_SUCH_REPLY_TARGET',
+			id: '749ee0f6-d3da-459a-bf02-282e2da4292c'
+		},
+
+		cannotReplyToPureRenote: {
+			message: 'You can not reply to a pure Renote.',
+			code: 'CANNOT_REPLY_TO_A_PURE_RENOTE',
+			id: '3ac74a84-8fd5-4bb0-870f-01804f82ce15'
+		},
+
+		contentRequired: {
+			message: 'Content required. You need to set text, fileIds, renoteId or poll.',
+			code: 'CONTENT_REQUIRED',
+			id: '6f57e42b-c348-439b-bc45-993995cc515a'
+		},
 	}
 };
 
-export default define(meta, (ps, user, app) => new Promise(async (res, rej) => {
+export default define(meta, async (ps, user, app) => {
 	let visibleUsers: IUser[] = [];
 	if (ps.visibleUserIds) {
 		visibleUsers = await Promise.all(ps.visibleUserIds.map(id => User.findOne({
@@ -212,9 +245,9 @@ export default define(meta, (ps, user, app) => new Promise(async (res, rej) => {
 		});
 
 		if (renote == null) {
-			return rej('renoteee is not found');
+			throw new ApiError(meta.errors.noSuchRenoteTarget);
 		} else if (renote.renoteId && !renote.text && !renote.fileIds) {
-			return rej('cannot renote to renote');
+			throw new ApiError(meta.errors.cannotReRenote);
 		}
 	}
 
@@ -226,12 +259,12 @@ export default define(meta, (ps, user, app) => new Promise(async (res, rej) => {
 		});
 
 		if (reply === null) {
-			return rej('in reply to note is not found');
+			throw new ApiError(meta.errors.noSuchReplyTarget);
 		}
 
 		// 返信対象が引用でないRenoteだったらエラー
 		if (reply.renoteId && !reply.text && !reply.fileIds) {
-			return rej('cannot reply to renote');
+			throw new ApiError(meta.errors.cannotReplyToPureRenote);
 		}
 	}
 
@@ -245,7 +278,7 @@ export default define(meta, (ps, user, app) => new Promise(async (res, rej) => {
 
 	// テキストが無いかつ添付ファイルが無いかつRenoteも無いかつ投票も無かったらエラー
 	if (!(ps.text || files.length || renote || ps.poll)) {
-		return rej('text, fileIds, renoteId or poll is required');
+		throw new ApiError(meta.errors.contentRequired);
 	}
 
 	// 後方互換性のため
@@ -254,7 +287,7 @@ export default define(meta, (ps, user, app) => new Promise(async (res, rej) => {
 	}
 
 	// 投稿を作成
-	create(user, {
+	const note = await create(user, {
 		createdAt: new Date(),
 		files: files,
 		poll: ps.poll,
@@ -271,14 +304,9 @@ export default define(meta, (ps, user, app) => new Promise(async (res, rej) => {
 		apHashtags: ps.noExtractHashtags ? [] : undefined,
 		apEmojis: ps.noExtractEmojis ? [] : undefined,
 		geo: ps.geo
-	})
-	.then(note => pack(note, user))
-	.then(noteObj => {
-		res({
-			createdNote: noteObj
-		});
-	})
-	.catch(e => {
-		rej(e);
 	});
-}));
+
+	return {
+		createdNote: await pack(note, user)
+	};
+});