Adds initial progress

source/Discord/CommandPartials/GroupSelection.ts

@@ -0,0 +1,46 @@
+import {
+    AutocompleteInteraction,
+    ChatInputCommandInteraction,
+    CommandInteraction,
+    GuildMember,
+    SlashCommandStringOption
+} from "discord.js";
+import {Container} from "../../Container/Container";
+import {GroupRepository} from "../../Repositories/GroupRepository";
+import {GroupModel} from "../../Models/GroupModel";
+import {UserError} from "../UserError";
+
+export class GroupSelection {
+    public static createOptionSetup(): SlashCommandStringOption {
+        return new SlashCommandStringOption()
+            .setName("group")
+            .setDescription("Defines the group you want to manage the playdates for")
+            .setRequired(true)
+            .setAutocomplete(true)
+    }
+    
+    public static async handleAutocomplete(interaction: AutocompleteInteraction): Promise<void> {
+        const value = interaction.options.getFocused();
+        const repo = Container.get<GroupRepository>(GroupRepository.name);
+        const groups = repo.findGroupsByMember(<GuildMember>interaction.member);
+        await interaction.respond(
+            groups
+                .filter((group) => group.name.startsWith(value))
+                .map((group) => ({name: group.name, value: group.name }))
+        )
+    }
+    
+    public static getGroup(interaction: CommandInteraction): GroupModel {
+        const groupname = interaction.options.get("group");
+        if (!groupname) {
+            throw new UserError("No group name provided");
+        } 
+        
+        const group = Container.get<GroupRepository>(GroupRepository.name).findGroupByName((groupname.value ?? '').toString());
+        if (!group) {
+            throw new UserError("No group found");
+        }
+        
+        return <GroupModel>group;
+    }
+}