Files
svg-templater/pkg/svg/actions/page.go
T
2026-05-27 22:02:11 +02:00

74 lines
1.6 KiB
Go

package actions
import (
"bytes"
"fmt"
"io"
"log"
"regexp"
"strconv"
"tomatentum.net/svg-templater/internal/database"
"tomatentum.net/svg-templater/pkg/svg"
)
const FILEFORMAT string = "%s-%d"
func AddPage(id string, svgbuf []byte) (svg.TemplatePage, error) {
data := svg.TemplatePage{TemplateId: id}
populateKeys(&data, svgbuf)
page, err := database.InsertSVGPage(&data)
data.Page = page
if err != nil {
return svg.TemplatePage{}, err
}
_, err = svg.Storage.Create(fmt.Sprintf(FILEFORMAT, id, page), bytes.NewReader(svgbuf))
if err != nil {
return svg.TemplatePage{}, err
}
log.Println("Created SVG Template " + data.TemplateId + " Page " + strconv.Itoa(page))
return data, nil
}
func GetPage(id string, page int) ([]byte, error) {
file, err := svg.Storage.Get(fmt.Sprintf(FILEFORMAT, id, page))
if err != nil {
return nil, err
}
defer file.Close()
return io.ReadAll(file)
}
func DeletePage(id string, page int) (bool, error) {
if success, err := database.DeleteSVGPage(id, page); err != nil || !success {
return success, err
}
if err := svg.Storage.Delete(fmt.Sprintf(FILEFORMAT, id, page)); err != nil {
return false, err
}
log.Println("Deleted SVG Template " + id + " page " + strconv.Itoa(page))
return true, nil
}
func populateKeys(data *svg.TemplatePage, svgblob []byte) {
regex := regexp.MustCompile(svg.KeyRegex)
result := regex.FindAllSubmatch(svgblob, -1)
templateKeys := make([]string, len(result))
for i, matches := range result {
varname := matches[1] // first capture group
templateKeys[i] = string(varname)
}
data.TemplateKeys = templateKeys
log.Println("Found keys:\n", templateKeys)
}