84 lines
1.6 KiB
Go
84 lines
1.6 KiB
Go
package tlep
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import (
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"encoding/json"
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"fmt"
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"git.qowevisa.me/Qowevisa/gotell/tlep/gmyerr"
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"io"
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"os"
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)
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const (
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TLEPDirName = "tlep"
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)
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func (t *TLEP) getFileName() string {
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return fmt.Sprintf("%s/%s.tlep", TLEPDirName, t.Name)
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}
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// don't care for errors for now
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func canOpenDir(dirname string) bool {
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dir, err := os.Open(dirname)
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if err != nil {
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// TODO check for errors
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return false
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}
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stat, err := dir.Stat()
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if err != nil {
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// TODO check for errors
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return false
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}
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return stat.IsDir()
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}
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func (t *TLEP) SaveToFile() error {
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canI := canOpenDir(TLEPDirName)
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if !canI {
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err := os.Mkdir(TLEPDirName, 0755)
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if err != nil {
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return gmyerr.WrapPrefix("os.Mkdir", err)
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}
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}
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s, err := json.Marshal(t)
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if err != nil {
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return gmyerr.WrapPrefix("json.Marshal", err)
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}
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file, err := os.Create(t.getFileName())
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defer file.Close()
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if err != nil {
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return gmyerr.WrapPrefix("os.Create", err)
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}
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_, err = file.Write(s)
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if err != nil {
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return gmyerr.WrapPrefix("file.Write", err)
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}
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return nil
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}
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func LoadFromFileByName(name string) (*TLEP, error) {
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var t TLEP
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t.Name = name
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file, err := os.Open(t.getFileName())
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defer file.Close()
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if err != nil {
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return nil, gmyerr.WrapPrefix("os.Create", err)
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}
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var result []byte
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buf := make([]byte, 10240)
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for {
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n, err := file.Read(buf)
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if err == io.EOF {
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break
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}
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if err != nil {
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return nil, gmyerr.WrapPrefix("file.Write", err)
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}
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result = append(result, buf[:n]...)
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}
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err = json.Unmarshal(result, &t)
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if err != nil {
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return nil, gmyerr.WrapPrefix("json.Unmarshal", err)
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}
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return &t, nil
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}
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