export.json

{ "rules_export_images" : {
    "LABEL" : "Export Images",
    "PLUGIN" : "rule",
    "OWNER" : "rules",
    "REQUIRES" : [ "rules", "fs_rules", "php" ],
    "USES VARIABLES" : { "product_display" : { "label" : "Product display", "type" : "node" } },
    "IF" : [
      { "entity_has_field" : { "entity" : [ "product-display" ], "field" : "field_images" } },
      { "NOT data_is_empty" : { "data" : [ "product-display:field-images" ] } },
      { "entity_has_field" : { "entity" : [ "product-display" ], "field" : "field_category" } }
    ],
    "DO" : [
      { "fs_rules_action_create_dir" : {
          "USING" : { "uri" : "public:\/\/export", "base_dir" : [ "" ] },
          "PROVIDE" : { "created_dir" : { "export_dir" : "Export dir" } }
        }
      },
      { "variable_add" : {
          "USING" : { "type" : "text", "value" : [ "product-display:field-category:name" ] },
          "PROVIDE" : { "variable_added" : { "category_name" : "Category name" } }
        }
      },
      { "fs_rules_action_create_dir" : {
          "USING" : {
            "uri" : "\u003C?php echo str_replace(\u0027\/\u0027, \u0027,\u0027, $category_name); ?\u003E",
            "base_dir" : [ "export-dir" ]
          },
          "PROVIDE" : { "created_dir" : { "category_dir" : "Category dir" } }
        }
      },
      { "fs_rules_action_find_dirs" : {
          "USING" : {
            "dir" : [ "category-dir" ],
            "mask" : "__[product-display:nid]",
            "operation" : "ends"
          },
          "PROVIDE" : { "found_dirs" : { "found_dirs" : "Found directories" } }
        }
      },
      { "LOOP" : {
          "USING" : { "list" : [ "found-dirs" ] },
          "ITEM" : { "found_dir" : "Found dir" },
          "DO" : [ { "fs_rules_action_delete_dir" : { "dir" : [ "found-dir" ] } } ]
        }
      },
      { "variable_add" : {
          "USING" : { "type" : "text", "value" : [ "product-display:title" ] },
          "PROVIDE" : { "variable_added" : { "product_title" : "Product title" } }
        }
      },
      { "fs_rules_action_create_dir" : {
          "USING" : {
            "uri" : "\u003C?php echo str_replace(\u0027\/\u0027, \u0027,\u0027, $product_title); ?\u003E__[product-display:nid]",
            "base_dir" : [ "category-dir" ]
          },
          "PROVIDE" : { "created_dir" : { "node_dir" : "Node dir" } }
        }
      },
      { "LOOP" : {
          "USING" : { "list" : [ "product-display:field-images" ] },
          "ITEM" : { "list_item" : "Current list item" },
          "DO" : [
            { "fs_rules_action_copy_file" : {
                "USING" : { "file" : [ "list-item:file" ], "dir" : [ "node-dir" ] },
                "PROVIDE" : { "copied_file" : { "copied_file" : "Copied file" } }
              }
            }
          ]
        }
      }
    ]
  }
}

import.json

{ "rules_import_images" : {
    "LABEL" : "Import Images",
    "PLUGIN" : "rule",
    "OWNER" : "rules",
    "REQUIRES" : [ "rules", "fs_rules", "php", "rules_conditional" ],
    "USES VARIABLES" : { "product_display" : { "label" : "Product display", "type" : "node" } },
    "IF" : [
      { "entity_has_field" : { "entity" : [ "product-display" ], "field" : "field_images" } },
      { "entity_has_field" : { "entity" : [ "product-display" ], "field" : "field_category" } }
    ],
    "DO" : [
      { "fs_rules_action_open_dir" : {
          "USING" : { "uri" : "public:\/\/export", "base_dir" : [ "" ] },
          "PROVIDE" : { "dir" : { "export_dir" : "Export dir" } }
        }
      },
      { "variable_add" : {
          "USING" : { "type" : "text", "value" : [ "product-display:field-category:name" ] },
          "PROVIDE" : { "variable_added" : { "category_name" : "Category name" } }
        }
      },
      { "fs_rules_action_open_dir" : {
          "USING" : {
            "uri" : "\u003C?php echo str_replace(\u0027\/\u0027, \u0027,\u0027, $category_name); ?\u003E",
            "base_dir" : [ "export-dir" ]
          },
          "PROVIDE" : { "dir" : { "category_dir" : "Category dir" } }
        }
      },
      { "fs_rules_action_create_dir" : {
          "USING" : { "uri" : "public:\/\/[product-display:type]s", "base_dir" : [ "" ] },
          "PROVIDE" : { "created_dir" : { "images_dir" : "Images dir" } }
        }
      },
      { "fs_rules_action_find_dirs" : {
          "USING" : {
            "dir" : [ "category-dir" ],
            "mask" : "__[product-display:nid]",
            "operation" : "ends"
          },
          "PROVIDE" : { "found_dirs" : { "found_dirs" : "Found directories" } }
        }
      },
      { "LOOP" : {
          "USING" : { "list" : [ "found-dirs" ] },
          "ITEM" : { "node_dir" : "Node dir" },
          "DO" : [
            { "fs_rules_action_find_files" : {
                "USING" : {
                  "dir" : [ "node-dir" ],
                  "mask" : "\\.(jpg|jpeg|JPG|JPEG|png|PNG)$",
                  "operation" : "regex"
                },
                "PROVIDE" : { "found_files" : { "found_files" : "Found files" } }
              }
            },
            { "CONDITIONAL" : [
                {
                  "IF" : { "NOT data_is_empty" : { "data" : [ "found-files" ] } },
                  "DO" : [
                    {
                      "COMMENT" : {
                        "comment:label" : "Delete node\u0027s images",
                        "comment:text" : { "value" : "", "format" : "plain_text" }
                      },
                      "DO" : []
                    },
                    { "LOOP" : {
                        "USING" : { "list" : [ "product-display:field-images" ] },
                        "ITEM" : { "node_image" : "Node image" },
                        "DO" : [
                          { "list_remove" : { "list" : [ "product-display:field-images" ], "item" : [ "node-image" ] } }
                        ]
                      }
                    },
                    {
                      "COMMENT" : {
                        "comment:label" : "asd",
                        "comment:text" : { "value" : "", "format" : "plain_text" }
                      },
                      "DO" : []
                    },
                    { "LOOP" : {
                        "USING" : { "list" : [ "found-files" ] },
                        "ITEM" : { "file" : "File" },
                        "DO" : [
                          { "fs_rules_action_copy_file" : {
                              "USING" : { "file" : [ "file" ], "dir" : [ "images-dir" ] },
                              "PROVIDE" : { "copied_file" : { "copied_file" : "Copied file" } }
                            }
                          },
                          { "fs_rules_action_save_file" : {
                              "USING" : { "file" : [ "copied-file" ] },
                              "PROVIDE" : { "saved_file" : { "saved_file" : "Saved file" } }
                            }
                          },
                          { "fs_rules_action_add_file_to_list" : { "list" : [ "product-display:field-images" ], "file" : [ "saved-file" ] } },
                          { "entity_save" : { "data" : [ "product-display" ] } }
                        ]
                      }
                    }
                  ]
                }
              ]
            }
          ]
        }
      }
    ]
  }
}