From 84a98506dc98da0ce7e44f899cef69c00f7d7c12 Mon Sep 17 00:00:00 2001
From: Pierre HUBERT <pierre.git@communiquons.org>
Date: Thu, 26 Dec 2019 14:14:42 +0100
Subject: [PATCH] Can change group logo

---
 src/controllers/GroupsController.ts | 46 ++++++++++++++++++++++++++++-
 src/controllers/Routes.ts           |  4 +++
 src/entities/Group.ts               |  7 +++++
 src/helpers/GroupsHelper.ts         | 22 ++++++++++++++
 4 files changed, 78 insertions(+), 1 deletion(-)

diff --git a/src/controllers/GroupsController.ts b/src/controllers/GroupsController.ts
index c945f03..8c3b066 100644
--- a/src/controllers/GroupsController.ts
+++ b/src/controllers/GroupsController.ts
@@ -1,5 +1,5 @@
 import { RequestHandler } from "../entities/RequestHandler";
-import { GroupsHelper } from "../helpers/GroupsHelper";
+import { GroupsHelper, PATH_GROUPS_LOGOS } from "../helpers/GroupsHelper";
 import { GroupsAccessLevel, GroupInfo, GroupVisibilityLevel, GroupPostsCreationLevel, GroupRegistrationLevel } from "../entities/Group";
 import { GroupMembershipLevels } from "../entities/GroupMember";
 import { time } from "../utils/DateUtils";
@@ -231,6 +231,50 @@ export class GroupsController {
 		h.success("Requested virtual directory seems to be available!");
 	}
 
+	/**
+	 * Upload a new group logo
+	 * 
+	 * @param h Request handler
+	 */
+	public static async UploadLogo(h: RequestHandler) {
+		const groupID = await h.postGroupIDWithAccess("id", GroupsAccessLevel.ADMIN_ACCESS);
+
+		if(!h.hasFile("logo"))
+			h.error(400, "An error occured while receiving logo !");
+
+		// Delete current logo (if any)
+		await GroupsHelper.DeleteLogo(groupID);
+
+		// Save the new group logo
+		const targetFilePath = await h.savePostImage("logo", PATH_GROUPS_LOGOS, 500, 500);
+
+		// Update the settings of the group
+		const settings = await GroupsHelper.GetInfo(groupID);
+		settings.logo = targetFilePath;
+		await GroupsHelper.SetSettings(settings);
+
+		h.send({
+			success: "Group logo has been successfully updated!",
+			url: settings.logoURL
+		});
+	}
+
+	/**
+	 * Delete the current logo of a group
+	 * 
+	 * @param h Request handler
+	 */
+	public static async DeleteLogo(h: RequestHandler) {
+		const groupID = await h.postGroupIDWithAccess("id", GroupsAccessLevel.ADMIN_ACCESS);
+
+		await GroupsHelper.DeleteLogo(groupID);
+
+		h.send({
+			success: "Group logo has been successfully deleted!",
+			url: (await GroupsHelper.GetInfo(groupID)).logoURL
+		})
+	}
+
 	/**
 	 * Turn a GroupInfo object into a valid API object
 	 * 
diff --git a/src/controllers/Routes.ts b/src/controllers/Routes.ts
index 91203d9..a73f897 100644
--- a/src/controllers/Routes.ts
+++ b/src/controllers/Routes.ts
@@ -100,4 +100,8 @@ export const Routes : Route[] = [
 	{path: "/groups/set_settings", cb: (h) => GroupsController.SetSettings(h)},
 
 	{path: "/groups/checkVirtualDirectory", cb: (h) => GroupsController.CheckVirtualDirectory(h)},
+
+	{path: "/groups/upload_logo", cb: (h) => GroupsController.UploadLogo(h)},
+
+	{path: "/groups/delete_logo", cb: (h) => GroupsController.DeleteLogo(h)},
 ]
\ No newline at end of file
diff --git a/src/entities/Group.ts b/src/entities/Group.ts
index 079aca6..42f7e90 100644
--- a/src/entities/Group.ts
+++ b/src/entities/Group.ts
@@ -96,6 +96,13 @@ export class GroupInfo implements GroupInfoConstructor {
 		return pathUserData(this.logoPath, false);
 	}
 
+	get logoSysPath() : string {
+		if(!this.hasLogo)
+			throw Error("The group has no logo!");
+
+		return pathUserData(this.logoPath, true);
+	}
+
 	get hasDescription() : boolean {
 		return this.description && true;
 	}
diff --git a/src/helpers/GroupsHelper.ts b/src/helpers/GroupsHelper.ts
index 169c41f..d330d8a 100644
--- a/src/helpers/GroupsHelper.ts
+++ b/src/helpers/GroupsHelper.ts
@@ -4,6 +4,7 @@ import { GroupMembershipLevels, GroupMember } from "../entities/GroupMember";
 import { NewGroup } from "../entities/NewGroup";
 import { time } from "../utils/DateUtils";
 import { GroupSettings } from "../entities/GroupSettings";
+import { existsSync, unlinkSync } from "fs";
 
 /**
  * Groups helper
@@ -14,6 +15,8 @@ import { GroupSettings } from "../entities/GroupSettings";
 const GROUPS_LIST_TABLE = "comunic_groups";
 const GROUPS_MEMBERS_TABLE = "comunic_groups_members";
 
+export const PATH_GROUPS_LOGOS = "groups_logo";
+
 export class GroupsHelper {
 
 
@@ -116,6 +119,25 @@ export class GroupsHelper {
 		});
 	}
 
+	/**
+	 * Delete the logo of a group
+	 * 
+	 * @param groupID Target group ID
+	 */
+	public static async DeleteLogo(groupID: number) {
+		const currSettings = await this.GetInfo(groupID);
+
+		if(!currSettings.hasLogo)
+			return;
+		
+		if(existsSync(currSettings.logoSysPath))
+			unlinkSync(currSettings.logoSysPath);
+		
+		currSettings.logo = "";
+		
+		await this.SetSettings(currSettings);
+	}
+
 	/**
 	 * Get the visibility level of a group
 	 *