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cli.go
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cli.go
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package main
import (
"database/sql"
"errors"
"flag"
"fmt"
"log"
"os"
"path"
_ "modernc.org/sqlite"
)
var unitsTable = `
CREATE TABLE units (
"id" integer NOT NULL PRIMARY KEY,
"uid" TEXT(50) NOT NULL,
"name" TEXT(50) NOT NULL COLLATE NOCASE,
"date" TEXT(50) NOT NULL,
"data" BLOB
);
CREATE INDEX uid_IDX ON file_audit (uid);
`
var tables map[string]string
var dbpath = flag.String("p", "", "database path")
var del = flag.Bool("d", false, "delete database if exists")
var cleanup = flag.Bool("c", false, "delete all records from existing database")
func main() {
tables = make(map[string]string)
tables["units"] = unitsTable
var p string
flag.Parse()
if *dbpath == "" {
p = "bravetools.db"
} else {
p = path.Join(*dbpath, "bravetools.db")
}
if *del {
err := os.Remove(p)
if err != nil {
log.Fatal(err)
}
return
}
if *cleanup {
db, err := InitDB(p)
if err != nil {
log.Fatal(err)
}
err = Cleanup(db)
if err != nil {
log.Fatal(err)
}
fmt.Println("Database cleaned up")
return
}
log.Println("Creating bravetools.db...")
log.Println("Database path: ", p)
file, err := os.Create(p)
if err != nil {
log.Fatal(err.Error())
}
file.Close()
log.Println("bravetools.db created")
db, err := InitDB(p)
if err != nil {
log.Fatal(err)
}
defer db.Close()
for key, val := range tables {
err = CreateTable(db, key, val)
if err != nil {
log.Fatal(err)
}
}
}
// InitDB creates a new SQLite database in current directory
func InitDB(filePath string) (*sql.DB, error) {
db, err := sql.Open("sqlite", filePath)
if err != nil {
return nil, err
}
if db == nil {
return nil, err
}
return db, nil
}
// CreateTable creates a table
func CreateTable(db *sql.DB, table string, sql string) error {
log.Println("Create " + table + " table...")
statement, err := db.Prepare(sql)
if err != nil {
return errors.New("Error creating units table: " + err.Error())
}
statement.Exec()
log.Println("units table created")
return nil
}
// Cleanup deletes all records from all tables
func Cleanup(db *sql.DB) error {
log.Println("Cleaning up database tables ...")
var sql = `
DELETE from units;
`
statement, err := db.Prepare(sql)
if err != nil {
return errors.New("Error deleteing records: " + err.Error())
}
statement.Exec()
log.Println("records deleted")
return nil
}