98 lines
2.4 KiB
Go
98 lines
2.4 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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// PrintJobStore persists print jobs as JSON files.
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type PrintJobStore struct {
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dir string
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}
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// NewPrintJobStore creates a store under dir (default data/print_jobs).
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func NewPrintJobStore(dir string) *PrintJobStore {
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if dir == "" {
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dir = paths.PrintJobsDir
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}
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return &PrintJobStore{dir: dir}
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}
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// List returns all print jobs sorted by creation time (newest first).
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func (s *PrintJobStore) List() ([]model.PrintJob, 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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"print jobs dir",
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func(j model.PrintJob) time.Time { return j.CreatedAt },
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)
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}
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// Get returns a print job by ID.
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func (s *PrintJobStore) Get(id string) (model.PrintJob, error) {
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list, err := s.List()
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if err != nil {
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return model.PrintJob{}, err
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}
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j, err := findByID(list, id, func(j model.PrintJob) string { return j.ID })
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if err != nil {
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return model.PrintJob{}, fmt.Errorf("print job not found: %s", id)
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}
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if j.OrderIDs == nil {
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j.OrderIDs = []string{}
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}
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return j, nil
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}
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// Save writes a new print job and assigns an ID when empty.
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func (s *PrintJobStore) Save(j model.PrintJob) (model.PrintJob, error) {
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if err := ensureDir(s.dir); err != nil {
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return model.PrintJob{}, err
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}
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if j.ID == "" {
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j.ID = uuid.NewString()
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}
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if j.OrderIDs == nil {
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j.OrderIDs = []string{}
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}
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now := stampNew(&j.CreatedAt)
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j.CreatedAt = now
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j.UpdatedAt = now
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path := filepath.Join(s.dir, j.ID+".json")
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if err := writeJSON(path, j); err != nil {
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return model.PrintJob{}, fmt.Errorf("write print job: %w", err)
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}
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return j, nil
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}
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// Update replaces an existing print job (preserves id and created_at).
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func (s *PrintJobStore) Update(id string, j model.PrintJob) (model.PrintJob, error) {
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existing, err := s.Get(id)
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if err != nil {
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return model.PrintJob{}, err
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}
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j.ID = existing.ID
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j.CreatedAt = existing.CreatedAt
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j.UpdatedAt = time.Now().UTC()
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if j.OrderIDs == nil {
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j.OrderIDs = []string{}
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}
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path := filepath.Join(s.dir, id+".json")
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if err := writeJSON(path, j); err != nil {
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return model.PrintJob{}, fmt.Errorf("write print job: %w", err)
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}
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return j, nil
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}
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// Delete removes a print job by ID.
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func (s *PrintJobStore) Delete(id string) error {
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path := filepath.Join(s.dir, id+".json")
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return removeFile(path, fmt.Sprintf("print job not found: %s", id))
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}
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