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internal/component/instances/wisski_pathbuilders.go

@@ -1,34 +1,45 @@
 package instances
 
 import (
-	"bytes"
-	"encoding/json"
-	"errors"
 	"fmt"
 	"io/fs"
 	"os"
 	"path/filepath"
 
+	_ "embed"
+
 	"github.com/tkw1536/goprogram/stream"
 	"golang.org/x/exp/maps"
 	"golang.org/x/exp/slices"
 )
 
-var errPathbuildersExecFailed = errors.New("ExportPathbuilders: Failed to call export_pathbuilder")
+//go:embed php/export_pathbuilder.php
+var exportPathbuilderPHP string
+
+// Pathbuilders returns the ids of all pathbuilders in consistent order.
+func (wisski *WissKI) Pathbuilders() (ids []string, err error) {
+	err = wisski.ExecPHPScript(stream.FromNil(), &ids, exportPathbuilderPHP, "all_list")
+	slices.Sort(ids)
+	return
+}
+
+// Pathbuilder returns a single pathbuilder as xml.
+// If it does not exist, it returns the empty string and nil error.
+func (wisski *WissKI) Pathbuilder(id string) (xml string, err error) {
+	err = wisski.ExecPHPScript(stream.FromNil(), &xml, exportPathbuilderPHP, "one_xml", id)
+	return
+}
+
+// AllPathbuilders returns all pathbuilders serialized as xml
+func (wisski *WissKI) AllPathbuilders() (pathbuilders map[string]string, err error) {
+	err = wisski.ExecPHPScript(stream.FromNil(), &pathbuilders, exportPathbuilderPHP, "all_xml")
+	return
+}
 
 // ExportPathbuilders writes pathbuilders into the directory dest
 func (wisski *WissKI) ExportPathbuilders(dest string) error {
-	// export all the pathbuilders into the buffer
-	var buffer bytes.Buffer
-	wu := stream.NewIOStream(&buffer, nil, nil, 0)
-	code, err := wisski.Barrel().Exec(wu, "barrel", "/bin/bash", "/user_shell.sh", "-c", "drush php:script /wisskiutils/export_pathbuilder.php")
-	if err != nil || code != 0 {
-		return errPathbuildersExecFailed
-	}
-
-	// decode them as a json array
-	var pathbuilders map[string]string
-	if err := json.NewDecoder(&buffer).Decode(&pathbuilders); err != nil {
+	pathbuilders, err := wisski.AllPathbuilders()
+	if err != nil {
 		return err
 	}