sanity.go

package main

import (
	"fmt"
)

type Sanity struct {
}

/*
 * Check the fs is ready to be used
 */
func ( sanity *Sanity ) Check() ( err error ) {
	if err = sanity.directoryExists() ; err != nil { return err }
	if err = sanity.typedDirExists() ; err != nil { return err }
	Cfg.ScanFiles()
	if err = sanity.sqlFilesPresent() ; err != nil { return err }

	return
}


/*
 * Check the provided sql directory is indeed a directory
 */
func ( sanity *Sanity ) directoryExists() ( err error ) {
	if ! IsDir( Cfg.SqlDirPath ) {
		return fmt.Errorf( "%s is not a directory", Cfg.SqlDirPath )
	}

	return
}

/*
 * At least one of functions/, views/, triggers/, types/ should exist
 */
func ( sanity *Sanity ) typedDirExists() ( err error ) {
	directories := make( []string, 0 )

	for _, typedDir := range []string{ "functions", "triggers", "types", "views" } {
		path := Cfg.SqlDirPath + "/" + typedDir
		if IsDir( path ) {
			directories = append( directories, path )
		}
	}

	if len( directories ) == 0 {
		return fmt.Errorf( "No functions/, triggers/, types/ or views/ directory found in %s", Cfg.SqlDirPath )
	}

	return
}

/*
 * No need to process any further if there are no sql files to load
 */
func ( sanity *Sanity ) sqlFilesPresent() ( err error ) {
	if len( Cfg.FunctionFiles ) + len( Cfg.TriggerFiles ) + len( Cfg.ViewFiles ) == 0 {
		return fmt.Errorf( "Didn't find any sql file in %s", Cfg.SqlDirPath )
	}

	return
}