mirror of https://github.com/lus/pasty.git
72 lines
1.6 KiB
Go
72 lines
1.6 KiB
Go
package storage
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import (
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"encoding/json"
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"github.com/Lukaesebrot/pasty/internal/env"
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"github.com/Lukaesebrot/pasty/internal/pastes"
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"io/ioutil"
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"os"
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"path/filepath"
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)
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// FileDriver represents the file storage driver
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type FileDriver struct {
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filePath string
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}
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// Initialize initializes the file storage driver
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func (driver *FileDriver) Initialize() error {
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driver.filePath = env.Get("STORAGE_FILE_PATH", "./data")
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return os.MkdirAll(driver.filePath, os.ModePerm)
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}
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// Terminate terminates the file storage driver (does nothing, because the file storage driver does not need any termination)
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func (driver *FileDriver) Terminate() error {
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return nil
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}
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// Get loads a paste
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func (driver *FileDriver) Get(id string) (*pastes.Paste, error) {
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// Read the file
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data, err := ioutil.ReadFile(filepath.Join(driver.filePath, id+".json"))
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if err != nil {
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if os.IsNotExist(err) {
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return nil, nil
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}
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return nil, err
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}
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// Unmarshal the file into a paste
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paste := new(pastes.Paste)
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err = json.Unmarshal(data, &paste)
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if err != nil {
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return nil, err
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}
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return paste, nil
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}
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// Save saves a paste
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func (driver *FileDriver) Save(paste *pastes.Paste) error {
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// Marshal the paste
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jsonBytes, err := json.Marshal(paste)
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if err != nil {
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return err
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}
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// Create the file to save the paste to
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file, err := os.Create(filepath.Join(driver.filePath, paste.ID+".json"))
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if err != nil {
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return err
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}
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defer file.Close()
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// Write the JSON data into the file
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_, err = file.Write(jsonBytes)
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return err
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}
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// Delete deletes a paste
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func (driver *FileDriver) Delete(id string) error {
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return os.Remove(filepath.Join(driver.filePath, id+".json"))
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}
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