amseltools/internal/dirtoexcel/dirtoexcel.go
2023-03-29 13:26:21 +00:00

98 lines
2.0 KiB
Go

package dirtoexcel
import (
"fmt"
"math"
"os"
"regexp"
"strconv"
"time"
"github.com/charmbracelet/log"
"github.com/spf13/cobra"
"github.com/xuri/excelize/v2"
)
const re = `^(?P<company>[a-zA-Z0-9-]+)(?:_[a-zA-Z]+)?_(?P<value>\d+\.\d{1,2})`
func init() {
log.SetDefault(
log.NewWithOptions(os.Stderr, log.Options{ReportTimestamp: true, TimeFormat: time.Kitchen}),
)
}
func Run(cmd *cobra.Command, args []string) {
outfile, err := cmd.Flags().GetString("out")
if err != nil {
log.Fatal("failed to get outfile string", "error", err)
}
if outfile == "" {
outfile = fmt.Sprintf("%d.xlsx", time.Now().Unix())
}
if err := Create(outfile, args[0]); err != nil {
log.Fatal("failed to create excel", "error", err)
}
}
func Create(out, dir string) error {
log := log.With("dir", dir, "out", out)
f := excelize.NewFile()
defer func() {
if err := f.Close(); err != nil {
log.Error("failed to close excel file")
}
}()
files, err := os.ReadDir(dir)
if err != nil {
return fmt.Errorf("failed to read dir: %w", err)
}
r, err := regexp.Compile(re)
if err != nil {
return fmt.Errorf("failed to compile regex: %w", err)
}
for i, j := range files {
if j.IsDir() {
continue
}
log.Info("found", "file", j.Name())
res := r.FindAllStringSubmatch(j.Name(), -1)
if res == nil {
return fmt.Errorf("nothing found")
}
if len(res) != 1 || len(res[0]) != 3 {
return fmt.Errorf("strange numbers of matches")
}
if err := f.SetCellStr("Sheet1", fmt.Sprintf("A%d", i+1), res[0][1]); err != nil {
return fmt.Errorf("failed to set cell: %w", err)
}
value, err := strconv.ParseFloat(res[0][2], 32)
if err != nil {
return fmt.Errorf("failed to parse value: %w", err)
}
if err := f.SetCellValue("Sheet1", fmt.Sprintf("B%d", i+1), math.Round(value*100)/100); err != nil {
return fmt.Errorf("failed to set cell: %w", err)
}
}
if err := f.SaveAs(out); err != nil {
return fmt.Errorf("failed to save excel: %w", err)
}
log.Info("created excel")
return nil
}