implement most registration functions

server/RegistrationHandler.ts

@@ -1,14 +1,36 @@
-export default class RegistrationHandler {
-
-	private register(): void {
-		console.log('Registering')
+export interface userNameBinding {
+	Steam: string,
+	Discord: string
 }
-	private removeUser(): void { }
-	private getNameRegisteredForDiscordUser(): string { return "" }
-	private getNameRegisteredForSteamUser(): string { return "" }
-	private listRegisteredMembers(): void { }
-	private getMemberForPlayer(): any { return "" }
-	private isRegistered(): boolean { return false }
+export type Maybe<T> = T | undefined
+export default class RegistrationHandler {
+	private userRegister: userNameBinding[] = []
+	public constructor() {
+		console.log('Setup RegistrationHandler')
+	}
+
+	public register(discordname: string, steamname: string): boolean {
+		const binding: userNameBinding = {
+			Steam: steamname,
+			Discord: discordname
+		}
+		console.log(`Trying to register ${JSON.stringify(binding)}`)
+
+		let alreadyPresentBinding = this.userRegister.find(x => x.Discord == binding.Discord)
+		if (alreadyPresentBinding) {
+			console.log(`Binding already present: ${alreadyPresentBinding}, overwriting.`)
+			alreadyPresentBinding = binding
+		}
+		else {
+			this.userRegister.push(binding)
+			console.log(`Binding successfully added.`)
+		}
+		return true
+	}
+	public removeUser(discordName: string): void { this.userRegister = this.userRegister.filter(x => x.Discord !== discordName) }
+	public getNameRegisteredForDiscordUser(discordUser: string): Maybe<userNameBinding> { return this.userRegister.find(x => x.Discord == discordUser) }
+	public getNameRegisteredForSteamUser(steamUser: string): Maybe<userNameBinding> { return this.userRegister.find(x => x.Steam == steamUser) }
+	public listRegisteredMembers(): string { return JSON.stringify(this.userRegister) }
 	private printHelpText(): void { }
 	private buildHelpText(): string { return "" }
 }