util

BytesToFloatSlice Turnas slice of bytes to a slice of ints of a users specified size.

BytesToIntSlice turns a slice of bytes to a slice of ints of a user specified size.

BytesToStrSlice turns a byte array into a string array.

CheckErr logs an error if present.

CheckErrAndRollback check and error and if present logs the error andperforms a rollback on the supplied transactoin.

CheckErrFatal logs an error if present and if so also exits.

onnectPG Ceates a connection to a postgresql DB, exits if there is an error.

ConnectPGErr Creates a connection to a postgres DB, returns an error if failed.

DecodeJSON Decodes json into a reciving variable.

FileExists checks if a file identified by a supplied path exist.

GetEnvVar gets an envrionment variable based on a key, returns a default valueif the environment variable is not found.

GetPGConfig creates a PGConfig based on environment variables and default values.

GetSQLiteConfig creates a SQLiteConfig based on the parameter filename.

IsErr checks if an error is not nil.

IsWeekend Checks if the currenct day (timezone UTC) is a weekend day.

LogErr logs the supplied error to the console.

ParseValueFromQuery Parses a query value from request.

PgArrayToString turns a byte arra into a string without enclosing {}.

Ping sends a 200 response if the server is running.

PlaceholderHandler is a dummy handler to ease development.

PrintErr Prints the supplied error to stdout.

SendErrRes sends a given error to the requestor.

SendErrStatus Sends an error and a given status code to the requestor.

SendJSONRes send a given JSON respons to the requestor.

SendJSONStringRes serializes a given message sting to JSON and sends to the requestor.

SendOK sends status code 200 to the requestor.

SendPlainTextRes sends a plain text message given as an input.

SendUnauthorized Sends an unauthorized status to the requestor.

StatusOK The status 200 return message.

StatusUnauthorized The status 401 return message.

EnvVar Key value pair for an enviornment variable.

JSONRes contains a response.

PGConfig holds connection parameters for a postgresql db.

ServerConfig contains setup and connection info for a server.

SQLiteConfig holds connection parameters for a SQLlite database.