feat(backend): add script interpreters

backend/internal/service/script_service.go

@@ -0,0 +1,54 @@
+package service
+
+import (
+	"context"
+	"fmt"
+
+	"gitea.d3m0k1d.ru/d3m0k1d/HellreigN/backend/internal/repository"
+)
+
+type ScriptService struct {
+	repo *repository.ScriptInterpreterRepo
+}
+
+func NewScriptService(repo *repository.ScriptInterpreterRepo) *ScriptService {
+	return &ScriptService{repo: repo}
+}
+
+// ResolveCommand builds the full argv[] by prepending the interpreter's argv
+// to the script text (as the last argument).
+func (self *ScriptService) ResolveCommand(ctx context.Context, interpreterID int64, scriptText string) ([]string, error) {
+	interpreter, err := self.repo.GetByID(ctx, interpreterID)
+	if err != nil {
+		return nil, err
+	}
+
+	if len(interpreter.Argv) == 0 {
+		return nil, fmt.Errorf("interpreter %q has empty argv", interpreter.Name)
+	}
+
+	argv := make([]string, len(interpreter.Argv)+1)
+	copy(argv, interpreter.Argv)
+	argv[len(argv)-1] = scriptText
+	return argv, nil
+}
+
+func (self *ScriptService) Create(ctx context.Context, in repository.ScriptInterpreterCreate) (*repository.ScriptInterpreter, error) {
+	return self.repo.Create(ctx, in)
+}
+
+func (self *ScriptService) GetByID(ctx context.Context, id int64) (*repository.ScriptInterpreter, error) {
+	return self.repo.GetByID(ctx, id)
+}
+
+func (self *ScriptService) List(ctx context.Context) ([]repository.ScriptInterpreter, error) {
+	return self.repo.List(ctx)
+}
+
+func (self *ScriptService) Update(ctx context.Context, id int64, in repository.ScriptInterpreterUpdate) (*repository.ScriptInterpreter, error) {
+	return self.repo.Update(ctx, id, in)
+}
+
+func (self *ScriptService) Delete(ctx context.Context, id int64) error {
+	return self.repo.Delete(ctx, id)
+}