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medreport_mrb2b/supabase/migrations/20250924145250_create_account_balance_entries.sql

240 lines
7.8 KiB
PL/PgSQL

-- Create account_balance_entries table to track individual account balances
create table "medreport"."account_balance_entries" (
"id" uuid not null default gen_random_uuid(),
"account_id" uuid not null,
"amount" numeric not null,
"entry_type" text not null, -- 'benefit', 'purchase', 'refund', etc.
"description" text,
"source_company_id" uuid, -- Company that provided the benefit
"reference_id" text, -- Reference to related record (e.g., analysis order ID)
"created_at" timestamp with time zone not null default now(),
"created_by" uuid,
"expires_at" timestamp with time zone, -- When the balance expires (for benefits)
"is_active" boolean not null default true
);
-- Add constraints
alter table "medreport"."account_balance_entries" add constraint "account_balance_entries_pkey" primary key (id);
alter table "medreport"."account_balance_entries" add constraint "account_balance_entries_account_id_fkey"
foreign key (account_id) references medreport.accounts(id) on delete cascade;
alter table "medreport"."account_balance_entries" add constraint "account_balance_entries_source_company_id_fkey"
foreign key (source_company_id) references medreport.accounts(id) on delete set null;
-- Add indexes for performance
create index "ix_account_balance_entries_account_id" on "medreport"."account_balance_entries" (account_id);
create index "ix_account_balance_entries_entry_type" on "medreport"."account_balance_entries" (entry_type);
create index "ix_account_balance_entries_created_at" on "medreport"."account_balance_entries" (created_at);
create index "ix_account_balance_entries_active" on "medreport"."account_balance_entries" (is_active) where is_active = true;
-- Enable RLS
alter table "medreport"."account_balance_entries" enable row level security;
-- Create RLS policies
create policy "Users can view their own balance entries"
on "medreport"."account_balance_entries"
for select
using (
account_id in (
select account_id
from medreport.accounts_memberships
where user_id = auth.uid()
)
);
create policy "Service role can manage all balance entries"
on "medreport"."account_balance_entries"
for all
to service_role
using (true)
with check (true);
-- Grant permissions
grant select, insert, update, delete on table "medreport"."account_balance_entries" to authenticated, service_role;
-- Create function to get account balance
create or replace function medreport.get_account_balance(p_account_id uuid)
returns numeric
language plpgsql
security definer
as $$
declare
total_balance numeric := 0;
begin
select coalesce(sum(amount), 0)
into total_balance
from medreport.account_balance_entries
where account_id = p_account_id
and is_active = true
and (expires_at is null or expires_at > now());
return total_balance;
end;
$$;
-- Grant execute permission
grant execute on function medreport.get_account_balance(uuid) to authenticated, service_role;
-- Create function to distribute health benefits to all company members
create or replace function medreport.distribute_health_benefits(
p_company_id uuid,
p_benefit_amount numeric,
p_benefit_occurrence text default 'yearly'
)
returns void
language plpgsql
security definer
as $$
declare
member_record record;
benefit_entry_id uuid;
expires_date timestamp with time zone;
begin
-- Calculate expiration date based on occurrence
case p_benefit_occurrence
when 'yearly' then
expires_date := now() + interval '1 year';
when 'monthly' then
expires_date := now() + interval '1 month';
when 'quarterly' then
expires_date := now() + interval '3 months';
else
expires_date := now() + interval '1 year'; -- default to yearly
end case;
-- Get all personal accounts that are members of this company
for member_record in
select distinct a.id as personal_account_id
from medreport.accounts a
join medreport.accounts_memberships am on a.id = am.user_id
where am.account_id = p_company_id
and a.is_personal_account = true
loop
-- Insert balance entry for each personal account
insert into medreport.account_balance_entries (
account_id,
amount,
entry_type,
description,
source_company_id,
created_by,
expires_at
) values (
member_record.personal_account_id,
p_benefit_amount,
'benefit',
'Health benefit from company',
p_company_id,
auth.uid(),
expires_date
);
end loop;
end;
$$;
-- Grant execute permission
grant execute on function medreport.distribute_health_benefits(uuid, numeric, text) to authenticated, service_role;
-- Create trigger to automatically distribute benefits when company params are updated
create or replace function medreport.trigger_distribute_benefits()
returns trigger
language plpgsql
as $$
begin
-- Only distribute if benefit_amount is set and greater than 0
if new.benefit_amount is not null and new.benefit_amount > 0 then
-- Distribute benefits to all company members
perform medreport.distribute_health_benefits(
new.account_id,
new.benefit_amount,
coalesce(new.benefit_occurance, 'yearly')
);
end if;
return new;
end;
$$;
-- Create the trigger
create trigger trigger_distribute_benefits_on_update
after update on medreport.company_params
for each row
when (old.benefit_amount is distinct from new.benefit_amount or old.benefit_occurance is distinct from new.benefit_occurance)
execute function medreport.trigger_distribute_benefits();
-- Create function to consume balance (for purchases)
create or replace function medreport.consume_account_balance(
p_account_id uuid,
p_amount numeric,
p_description text,
p_reference_id text default null
)
returns boolean
language plpgsql
security definer
as $$
declare
current_balance numeric;
remaining_amount numeric := p_amount;
entry_record record;
consumed_amount numeric;
begin
-- Get current balance
current_balance := medreport.get_account_balance(p_account_id);
-- Check if sufficient balance
if current_balance < p_amount then
return false;
end if;
-- Consume balance using FIFO (First In, First Out) with expiration priority
for entry_record in
select id, amount
from medreport.account_balance_entries
where account_id = p_account_id
and is_active = true
and (expires_at is null or expires_at > now())
order by
case when expires_at is not null then expires_at else '9999-12-31'::timestamp end,
created_at
loop
if remaining_amount <= 0 then
exit;
end if;
consumed_amount := least(entry_record.amount, remaining_amount);
-- Update the entry
update medreport.account_balance_entries
set amount = amount - consumed_amount,
is_active = case when amount - consumed_amount <= 0 then false else true end
where id = entry_record.id;
remaining_amount := remaining_amount - consumed_amount;
end loop;
-- Record the consumption
insert into medreport.account_balance_entries (
account_id,
amount,
entry_type,
description,
reference_id,
created_by
) values (
p_account_id,
-p_amount,
'purchase',
p_description,
p_reference_id,
auth.uid()
);
return true;
end;
$$;
-- Grant execute permission
grant execute on function medreport.consume_account_balance(uuid, numeric, text, text) to authenticated, service_role;