Weather action

model/action.go

@@ -4,9 +4,11 @@ import (
 	"bufio"
 	"crypto/sha512"
 	"errors"
+	"fmt"
 	"io/fs"
 	"log"
 	"os"
+	"os/exec"
 	"path/filepath"
 	"strings"
 
@@ -19,9 +21,10 @@ type Action struct {
 	Description string     `json:"description,omitempty"`
 	Path        string     `json:"path"`
 	Enabled     bool       `json:"enabled"`
+	fullPath    string
 }
 
-func LoadAction(path string) (string, string, error) {
+func loadAction(path string) (string, string, error) {
 	fd, err := os.Open(path)
 	if err != nil {
 		return "", "", err
@@ -64,6 +67,45 @@ func LoadAction(path string) (string, string, error) {
 	return name, description, nil
 }
 
+func LoadAction(cfg *config.Config, path string) (*Action, error) {
+	actionsDir, err := filepath.Abs(cfg.ActionsDir)
+	if err != nil {
+		return nil, err
+	}
+
+	path = filepath.Join(actionsDir, path)
+
+	d, err := os.Stat(path)
+	if err != nil {
+		return nil, err
+	}
+
+	if !d.Mode().IsRegular() {
+		return nil, fmt.Errorf("%q is not a file, it cannot be an action.", path)
+	}
+
+	hash := sha512.Sum512([]byte(path))
+
+	// Parse content
+	name, description, err := loadAction(path)
+	if err != nil {
+		return nil, fmt.Errorf("Invalid action file (trying to parse %s): %s", path, err.Error())
+	}
+
+	if apath, err := filepath.Abs(path); err == nil {
+		path = apath
+	}
+
+	return &Action{
+		Id:          hash[:],
+		Name:        name,
+		Description: description,
+		Path:        strings.TrimPrefix(path, actionsDir+"/"),
+		Enabled:     d.Mode().Perm()&0111 != 0,
+		fullPath:    path,
+	}, nil
+}
+
 func LoadActions(cfg *config.Config) (actions []*Action, err error) {
 	actionsDir, err := filepath.Abs(cfg.ActionsDir)
 	if err != nil {
@@ -75,7 +117,7 @@ func LoadActions(cfg *config.Config) (actions []*Action, err error) {
 			hash := sha512.Sum512([]byte(path))
 
 			// Parse content
-			name, description, err := LoadAction(path)
+			name, description, err := loadAction(path)
 			if err != nil {
 				log.Printf("Invalid action file (trying to parse %s): %s", path, err.Error())
 				// Ignore invalid files
@@ -96,6 +138,7 @@ func LoadActions(cfg *config.Config) (actions []*Action, err error) {
 				Description: description,
 				Path:        strings.TrimPrefix(path, actionsDir+"/"),
 				Enabled:     d.Mode().Perm()&0111 != 0,
+				fullPath:    path,
 			})
 		}
 
@@ -130,3 +173,9 @@ func (a *Action) Disable() error {
 func (a *Action) Remove() error {
 	return os.Remove(a.Path)
 }
+
+func (a *Action) Launch() (cmd *exec.Cmd, err error) {
+	cmd = exec.Command(a.fullPath)
+	err = cmd.Start()
+	return
+}