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/*
datamaps-go is a simple tool to extract from and send data to spreadsheets.
*/
package main
import (
"flag"
"fmt"
"log"
"net/http"
"os"
"path/filepath"
"github.com/yulqen/datamaps-go/pkg/reader"
)
const (
config_dir_name = "datamaps-go"
db_name = "datamaps.db"
)
func setUp() (string, error) {
dir, err := os.UserConfigDir()
if err != nil {
return "", err
}
// check if config folder exists
config_path := filepath.Join(dir, config_dir_name)
db_path := filepath.Join(config_path, db_name)
if _, err := os.Stat(config_path); os.IsNotExist(err) {
log.Println("Config directory does not exist.")
log.Printf("Creating config directory %s\n", config_path)
if err := os.Mkdir(filepath.Join(dir, "datamaps-go"), 0700); err != nil {
return "", err
}
} else {
log.Println("Config directory found.")
}
if _, err := os.Stat(db_path); os.IsNotExist(err) {
log.Println("Database does not exist.")
_, err = os.Create(db_path)
if err != nil {
return "", err
}
log.Printf("Creating database file at %s\n", db_path)
_, err := reader.SetupDB(db_path)
if err != nil {
return "", err
}
} else {
log.Println("Database file found.")
}
return dir, nil
}
func main() {
// setup command
setupCmd := flag.NewFlagSet("setup", flag.ExitOnError)
setupCmd.Usage = func() { fmt.Println("No, you fucking idiot!") }
// datamap command and its flags
datamapCmd := flag.NewFlagSet("datamap", flag.ExitOnError)
importFlg := datamapCmd.String("import", "/home/lemon/Documents/datamaps/input/datamap.csv", "Path to datamap")
nameFlg := datamapCmd.String("name", "Unnamed datamap", "The name you want to give to the imported datamap.")
overwriteFlg := datamapCmd.Bool("overwrite", false, "Start fresh with this datamap (erases existing datamap data).")
initialFlg := datamapCmd.Bool("initial", false, "This option must be used where no datamap table yet exists.")
// server command and its flags
serverCmd := flag.NewFlagSet("server", flag.ExitOnError)
if len(os.Args) < 2 {
fmt.Println("Expected 'datamap' or 'setup' subcommand")
os.Exit(1)
}
switch os.Args[1] {
case "server":
serverCmd.Parse(os.Args[2:])
http.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {
if r.URL.Path != "/" {
http.NotFound(w, r)
return
}
fmt.Fprintf(w, "Welcome to datamaps!")
// or you could write it thus
// w.Write([]byte("Hello from Snippetbox"))
})
log.Println("Starting server on :8080")
err := http.ListenAndServe(":8080", nil)
log.Fatal(err)
case "datamap":
datamapCmd.Parse(os.Args[2:])
fmt.Println("subcommand 'datamap'")
fmt.Println(" import:", *importFlg)
fmt.Println(" name:", *nameFlg)
fmt.Println(" overwrite:", *overwriteFlg)
fmt.Println(" initial:", *initialFlg)
dir, err := os.UserConfigDir()
if err != nil {
os.Exit(1)
}
// check if config folder exists
config_path := filepath.Join(dir, config_dir_name)
if _, err := os.Stat(config_path); os.IsNotExist(err) {
fmt.Println("Config directory and database does not exist. Run datamaps setup to fix.")
os.Exit(1)
}
// Here we actually read the data from the file
data, err := reader.ReadDML(*importFlg)
if err != nil {
log.Fatal(err)
}
db_path := filepath.Join(config_path, db_name)
err = reader.DatamapToDB(db_path, data, *nameFlg, *importFlg)
if err != nil {
log.Fatal(err)
}
case "setup":
setupCmd.Parse(os.Args[2:])
_, err := setUp()
if err != nil {
log.Fatal(err)
}
default:
fmt.Println("Do not recognised that command. Expected 'datamap' subcommand.")
os.Exit(1)
}
}
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