From 8693c1e5568de1d2fd493e09b2cb7765933caaa6 Mon Sep 17 00:00:00 2001
From: Pierre HUBERT <pierre.git@communiquons.org>
Date: Fri, 3 Apr 2020 18:51:00 +0200
Subject: [PATCH] Can get information about an emoji included in a POST request

---
 src/entities/BaseRequestsHandler.ts | 24 +++++++++++++++++++++---
 src/helpers/CustomEmojisHelper.ts   | 19 +++++++++++++++++++
 2 files changed, 40 insertions(+), 3 deletions(-)

diff --git a/src/entities/BaseRequestsHandler.ts b/src/entities/BaseRequestsHandler.ts
index 91c7b96..06339ca 100644
--- a/src/entities/BaseRequestsHandler.ts
+++ b/src/entities/BaseRequestsHandler.ts
@@ -16,6 +16,8 @@ import { CommentsHelper } from "../helpers/CommentsHelper";
 import { checkVirtualDirectory } from "../utils/VirtualDirsUtils";
 import { ConversationsHelper } from "../helpers/ConversationsHelper";
 import { AbstractUserConnectionContainer } from "./UserConnectionContainer";
+import { CustomEmoji } from "./CustomEmoji";
+import { CustomEmojisHelper } from "../helpers/CustomEmojisHelper";
 
 export abstract class BaseRequestsHandler implements AbstractUserConnectionContainer {
 
@@ -412,11 +414,27 @@ export abstract class BaseRequestsHandler implements AbstractUserConnectionConta
 	 * @param name The name of the POST field containing the id of the emoji
 	 */
 	public postEmojiShorcut(name: string) : string {
-		const emojiID = this.postString(name);
+		const emojiShorcut = this.postString(name);
 
-		if(!checkEmojiCode(emojiID))
+		if(!checkEmojiCode(emojiShorcut))
 			this.error(401, "Invalid emoji specified at " + name + "!")
 
-		return emojiID;
+		return emojiShorcut;
+	}
+
+	/**
+	 * Get information about an emoji included in a POST request
+	 * 
+	 * @param name The name of the post field containing emoji ID
+	 */
+	public async postEmojiID(name: string) : Promise<CustomEmoji> {
+		const eomjiID = this.postInt(name);
+
+		const info = await CustomEmojisHelper.GetSingle(eomjiID);
+
+		if(info.userID != this.getUserId())
+			this.error(401, "You are not allowed to modify this emoji!");
+
+		return info;
 	}
 }
\ No newline at end of file
diff --git a/src/helpers/CustomEmojisHelper.ts b/src/helpers/CustomEmojisHelper.ts
index 0a95b4b..5b6d48f 100644
--- a/src/helpers/CustomEmojisHelper.ts
+++ b/src/helpers/CustomEmojisHelper.ts
@@ -42,6 +42,25 @@ export class CustomEmojisHelper {
 		})).map((e) => this.DbToCustomEmoji(e));
 	}
 
+	/**
+	 * Get information about a single emoji
+	 * 
+	 * @param emojiID The ID of the emoji to get
+	 * @throws An error if the emoji was not found
+	 */
+	public static async GetSingle(emojiID: number) : Promise<CustomEmoji> {
+		const row = await DatabaseHelper.QueryRow({
+			table: EMOJIS_TABLE,
+			where: {
+				id: emojiID
+			}
+		});
+
+		if(row == null)
+			throw new Error("Requested emoji was not found ! (emoji id " + emojiID + ")")
+
+		return this.DbToCustomEmoji(row);
+	}
 
 	/**
 	 * Turn a database entry into a custom emoji