Can create new groups

src/helpers/GroupsHelper.ts

@@ -1,6 +1,8 @@
 import { DatabaseHelper } from "./DatabaseHelper";
 import { GroupsAccessLevel, GroupVisibilityLevel, GroupInfo } from "../entities/Group";
 import { GroupMembershipLevels, GroupMember } from "../entities/GroupMember";
+import { NewGroup } from "../entities/NewGroup";
+import { time } from "../utils/DateUtils";
 
 /**
  * Groups helper
@@ -13,6 +15,37 @@ const GROUPS_MEMBERS_TABLE = "comunic_groups_members";
 
 export class GroupsHelper {
 
+
+	/**
+	 * Create a new group
+	 * 
+	 * @param info Information about the new group to create
+	 * @throws {Error} In case of error
+	 */
+	public static async Create(info: NewGroup) : Promise<number> {
+
+		// Insert the group into the database
+		const groupID = await DatabaseHelper.InsertRow(GROUPS_LIST_TABLE, {
+			time_create: info.timeCreate,
+			userid_create: info.userID,
+			name: info.name
+		});
+
+		if(groupID <= 0)
+			throw Error("Could not create the group!");
+		
+		await this.InsertMember({
+			id: 0,
+			groupID: groupID,
+			userID: info.userID,
+			timeCreate: time(),
+			level: GroupMembershipLevels.ADMINISTRATOR,
+			following: true
+		});
+
+		return groupID;
+	}
+
 	/**
 	 * Check out whether a group exists or not
 	 * 
@@ -85,6 +118,21 @@ export class GroupsHelper {
 		return result.visibility;
 	}
 
+	/**
+	 * Insert a new group member
+	 * 
+	 * @param member Information about the group member to add
+	 */
+	public static async InsertMember(member: GroupMember) {
+		await DatabaseHelper.InsertRow(GROUPS_MEMBERS_TABLE, {
+			groups_id: member.groupID,
+			user_id: member.userID,
+			time_create: member.timeCreate,
+			level: member.level
+		});
+	}
+
+
 	/**
 	 * Get the membership level of a user for a group
 	 *