57 lines
1.3 KiB
Go
57 lines
1.3 KiB
Go
package store
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import (
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"fmt"
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"path/filepath"
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"time"
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"github.com/google/uuid"
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"printer.backend/internal/model"
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"printer.backend/internal/paths"
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)
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// PlateStore persists plates as JSON files.
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type PlateStore struct {
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dir string
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}
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// NewPlateStore creates a store under dir (default data/plates).
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func NewPlateStore(dir string) *PlateStore {
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if dir == "" {
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dir = paths.PlatesDir
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}
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return &PlateStore{dir: dir}
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}
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// List returns all plates sorted by creation time (newest first).
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func (s *PlateStore) List() ([]model.Plate, error) {
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return listFromDir(s.dir,
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func(name string) bool { return filepath.Ext(name) == ".json" },
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"plates dir",
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func(p model.Plate) time.Time { return p.CreatedAt },
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)
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}
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// Save writes a new plate and assigns an ID when empty.
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func (s *PlateStore) Save(p model.Plate) (model.Plate, error) {
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if err := ensureDir(s.dir); err != nil {
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return model.Plate{}, err
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}
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if p.ID == "" {
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p.ID = uuid.NewString()
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}
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p.CreatedAt = stampNew(&p.CreatedAt)
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path := filepath.Join(s.dir, p.ID+".json")
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if err := writeJSON(path, p); err != nil {
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return model.Plate{}, fmt.Errorf("write plate: %w", err)
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}
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return p, nil
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}
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// Delete removes a plate by ID.
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func (s *PlateStore) Delete(id string) error {
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path := filepath.Join(s.dir, id+".json")
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return removeFile(path, fmt.Sprintf("plate not found: %s", id))
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}
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