Harkamal Randhawa
5dda46cb87
Give new users 100 free points, allow shop previews regardless of balance, rename clothing items with descriptive labels, and show only the HaBit logo in the top-left.
85 lines
2.0 KiB
PL/PgSQL
85 lines
2.0 KiB
PL/PgSQL
-- New users start with 100 free shop points.
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alter table public.avatar_state
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alter column coins set default 100;
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create or replace function public.handle_new_user()
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returns trigger
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language plpgsql
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security definer
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set search_path = public
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as $$
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begin
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insert into public.profiles (id, display_name)
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values (
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new.id,
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coalesce(new.raw_user_meta_data ->> 'display_name', split_part(new.email, '@', 1))
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)
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on conflict (id) do nothing;
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insert into public.avatar_state (user_id, coins)
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values (new.id, 100)
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on conflict (user_id) do nothing;
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return new;
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end;
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$$;
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create or replace function public.purchase_shop_item(p_item_id text)
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returns jsonb
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language plpgsql
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security definer
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set search_path = public
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as $$
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declare
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v_user_id uuid := auth.uid();
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v_item public.shop_items%rowtype;
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v_coins int;
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begin
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if v_user_id is null then
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raise exception 'You must be signed in to purchase items.';
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end if;
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select * into v_item from public.shop_items where id = p_item_id;
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if not found then
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raise exception 'That shop item is no longer available.';
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end if;
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if exists (
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select 1 from public.user_items
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where user_id = v_user_id and item_id = p_item_id
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) then
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raise exception 'You already own this item.';
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end if;
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select coins into v_coins
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from public.avatar_state
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where user_id = v_user_id
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for update;
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if not found then
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insert into public.avatar_state (user_id, coins) values (v_user_id, 100);
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v_coins := 100;
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end if;
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if v_coins < v_item.price then
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raise exception 'Not enough points for this purchase.';
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end if;
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update public.avatar_state
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set coins = v_coins - v_item.price, updated_at = now()
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where user_id = v_user_id;
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insert into public.user_items (user_id, item_id)
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values (v_user_id, p_item_id);
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return jsonb_build_object(
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'item_id', v_item.id,
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'name', v_item.name,
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'type', v_item.type,
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'price', v_item.price,
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'image_path', v_item.image_path,
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'coins', v_coins - v_item.price
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);
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end;
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$$;
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