@spec all_postings([map()]) :: [map()]

Returns all postings from a list of transactions.

@spec ensure_two_decimals(String.t()) :: String.t()

Ensures a numeric string has exactly two decimal places.

Examples

iex> ensure_two_decimals("42")
"42.00"

iex> ensure_two_decimals("42.5")
"42.50"

iex> ensure_two_decimals("42.50")
"42.50"

@spec format_amount_for_currency(
  Decimal.t() | number(),
  String.t() | nil,
  atom() | nil
) :: String.t()

Formats an amount value for a given currency.

@spec posting_amount_value(map()) :: number() | nil

Extracts the value from a posting's amount.

@spec posting_currency(map()) :: String.t() | nil

Extracts the currency from a posting's amount.

@spec regular_postings([map()]) :: [map()]

Returns all postings from regular transactions only.

@spec regular_transaction?(map()) :: boolean()

Checks if a transaction is a regular transaction (has a date and is not automated/periodic).

@spec regular_transactions([map()]) :: [map()]

Filters transactions to only include regular transactions (not automated/periodic).

@spec to_decimal(Decimal.t() | number()) :: Decimal.t()

Converts a value to Decimal.

Accepts Decimal, float, or integer values.

@spec uniq_sort([any()]) :: [any()]

Returns a sorted list of unique items.