feat(edge/templates): introduce edge app templates [EE-6209] (#10480)

api/http/handler/templates/template_file_old.go

@@ -0,0 +1,95 @@
+package templates
+
+import (
+	"errors"
+	"net/http"
+
+	httperror "github.com/portainer/portainer/pkg/libhttp/error"
+	"github.com/portainer/portainer/pkg/libhttp/request"
+	"github.com/portainer/portainer/pkg/libhttp/response"
+	"github.com/rs/zerolog/log"
+
+	"github.com/asaskevich/govalidator"
+)
+
+type filePayload struct {
+	// URL of a git repository where the file is stored
+	RepositoryURL string `example:"https://github.com/portainer/portainer-compose" validate:"required"`
+	// Path to the file inside the git repository
+	ComposeFilePathInRepository string `example:"./subfolder/docker-compose.yml" validate:"required"`
+}
+
+func (payload *filePayload) Validate(r *http.Request) error {
+	if govalidator.IsNull(payload.RepositoryURL) {
+		return errors.New("Invalid repository url")
+	}
+
+	if govalidator.IsNull(payload.ComposeFilePathInRepository) {
+		return errors.New("Invalid file path")
+	}
+
+	return nil
+}
+
+func (handler *Handler) ifRequestedTemplateExists(payload *filePayload) *httperror.HandlerError {
+	response, httpErr := handler.fetchTemplates()
+	if httpErr != nil {
+		return httpErr
+	}
+
+	for _, t := range response.Templates {
+		if t.Repository.URL == payload.RepositoryURL && t.Repository.StackFile == payload.ComposeFilePathInRepository {
+			return nil
+		}
+	}
+	return httperror.InternalServerError("Invalid template", errors.New("requested template does not exist"))
+}
+
+// @id TemplateFileOld
+// @summary Get a template's file
+// @deprecated
+// @description Get a template's file
+// @description **Access policy**: authenticated
+// @tags templates
+// @security ApiKeyAuth
+// @security jwt
+// @accept json
+// @produce json
+// @param body body filePayload true "File details"
+// @success 200 {object} fileResponse "Success"
+// @failure 400 "Invalid request"
+// @failure 500 "Server error"
+// @router /templates/file [post]
+func (handler *Handler) templateFileOld(w http.ResponseWriter, r *http.Request) *httperror.HandlerError {
+	log.Warn().Msg("This api is deprecated. Please use /templates/{id}/file instead")
+
+	var payload filePayload
+	err := request.DecodeAndValidateJSONPayload(r, &payload)
+	if err != nil {
+		return httperror.BadRequest("Invalid request payload", err)
+	}
+
+	if err := handler.ifRequestedTemplateExists(&payload); err != nil {
+		return err
+	}
+
+	projectPath, err := handler.FileService.GetTemporaryPath()
+	if err != nil {
+		return httperror.InternalServerError("Unable to create temporary folder", err)
+	}
+
+	defer handler.cleanUp(projectPath)
+
+	err = handler.GitService.CloneRepository(projectPath, payload.RepositoryURL, "", "", "", false)
+	if err != nil {
+		return httperror.InternalServerError("Unable to clone git repository", err)
+	}
+
+	fileContent, err := handler.FileService.GetFileContent(projectPath, payload.ComposeFilePathInRepository)
+	if err != nil {
+		return httperror.InternalServerError("Failed loading file content", err)
+	}
+
+	return response.JSON(w, fileResponse{FileContent: string(fileContent)})
+
+}