update_db_prices_based_on_transactions.RdUpdate and store prices in the database (currently csv files) shared by all users. For each ticker, prices are written to a separate csv file. Prices are updated if incoming transactions are older than the latest price that is available according to a list with first and last date of a given ticker (this list is stored in a csv as well). Prices are also updated if there are no prices available for the given ticker.
update_db_prices_based_on_transactions(df_transactions, db_path,
external_search = TRUE)A data frame. Results from
get_transactions.
At least three variables/columns are required: transaction_type,
isin and transaction_date
A single character string containing the directory of the database.
Logical; if TRUE, the function searches external sources to find the ticker.