squash db migrations

backend/internal/supabase/migrations/20250422131119_create_base_schema.sql

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+CREATE EXTENSION IF NOT EXISTS moddatetime SCHEMA "extensions";
+
+create table public.emission_factor (
+  id text not null,
+  activity_id text not null,
+  name text not null,
+  description text null,
+  unit text not null,
+  unit_type text not null,
+  year integer not null,
+  region text not null,
+  category text not null,
+  source text not null,
+  source_dataset text null,
+  constraint emission_factor_pkey primary key (id),
+  constraint unique_activity_id unique (activity_id)
+) TABLESPACE pg_default;
+
+create table public.company (
+  id uuid not null,
+  name text not null,
+  xero_tenant_id uuid null,
+  last_transaction_import_time timestamp with time zone null,
+  last_contact_import_time timestamp with time zone null,
+  constraint company_pkey primary key (id)
+) TABLESPACE pg_default;
+
+create table public.company_favorite (
+  company_id uuid not null,
+  emissions_factor_id text not null,
+  date timestamp with time zone null,
+  constraint unique_company_emission_factor_pair unique (company_id, emissions_factor_id),
+  constraint company_favorite_company_id_fkey foreign KEY (company_id) references company (id),
+  constraint company_favorite_emissions_factor_id_fkey foreign KEY (emissions_factor_id) references emission_factor (id)
+) TABLESPACE pg_default;
+
+create table public.contact (
+  id uuid not null,
+  xero_contact_id uuid null,
+  name text not null,
+  email text null,
+  phone text null,
+  city text null,
+  state text null,
+  company_id uuid null,
+  created_at timestamp with time zone null default now(),
+  updated_at timestamp with time zone null default now(),
+  client_overview text null,
+  notes text null,
+  constraint contact_pkey primary key (id),
+  constraint unique_xero_contact_id unique (xero_contact_id),
+  constraint contact_company_id_fkey foreign KEY (company_id) references company (id)
+) TABLESPACE pg_default;
+
+create trigger handle_updated_at BEFORE
+update on contact for EACH row
+execute FUNCTION extensions.moddatetime ('updated_at');
+
+create table public.line_item (
+  id uuid not null,
+  xero_line_item_id uuid null,
+  description text not null,
+  total_amount double precision not null,
+  company_id uuid not null,
+  contact_id uuid not null,
+  date timestamp without time zone not null,
+  currency_code text not null,
+  emission_factor_id text null,
+  co2 double precision null,
+  scope integer null,
+  co2_unit text null,
+  recommended_scope integer null,
+  recommended_emission_factor_id text null,
+  constraint line_item_pkey primary key (id),
+  constraint unique_xero_line_item_id unique (xero_line_item_id),
+  constraint fk_emissionsid foreign KEY (emission_factor_id) references emission_factor (activity_id) on delete CASCADE,
+  constraint line_item_company_id_fkey foreign KEY (company_id) references company (id)
+) TABLESPACE pg_default;
+
+create table public."transaction" (
+  company_id uuid not null,
+  bank_transaction_id uuid not null,
+  contact_id integer not null,
+  sub_total numeric(20, 2) not null,
+  total_tax numeric(20, 2) not null,
+  total numeric(20, 2) not null,
+  currency_code text not null,
+  created_at timestamp with time zone not null,
+  imported_at timestamp with time zone not null,
+  constraint transaction_pkey primary key (company_id, bank_transaction_id)
+) TABLESPACE pg_default;
+
+create table public.user_creds (
+  id uuid not null,
+  first_name text null,
+  last_name text null,
+  company_id uuid null,
+  refresh_token text null,
+  tenant_id uuid null,
+  city character varying(100) null,
+  state character varying(100) null,
+  photo_url text null,
+  constraint user_creds_pkey primary key (id),
+  constraint user_creds_company_id_fkey foreign KEY (company_id) references company (id),
+  constraint user_creds_user_id_fkey foreign KEY (id) references auth.users (id)
+) TABLESPACE pg_default;