# all files / Core/Services/ FileStructureService.js

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100% Branches 4/4
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     'use strict';

    // Utilities:
    var _ = require('lodash');

    // Module:
    var Core = require('../Core');

    var FileStructureService = function FileStructureService (
        $http,
        persistentStateService,
        ComponentParserService,
        MockDataParserService
    ) {
        var OPEN_DIRECTORIES = 'OpenDirectories';

        return {
            getFileStructure: getFileStructure,
            addDirectory: addDirectory,
            copyFile: copyFile,
            deleteDirectory: deleteDirectory,
            deleteFile: deleteFile,
            editDirectoryPath: editDirectoryPath,
            editFilePath: editFilePath,
            toggleOpenDirectory: toggleOpenDirectory
        };

        function getFileStructure (type) {
            return $http.get('/' + type + '/file-structure')
            .then(parseComponentsAndMockData)
            .then(updateFileStructure);
        }

        function addDirectory (type, options) {
            return $http.post('/' + type + '/directory', options)
            .then(updateFileStructure);
        }

        function copyFile (type, options) {
            return $http.post('/' + type + '/file/copy', options)
            .then(updateFileStructure);
        }

        function deleteDirectory (type, options) {
            return $http.delete('/' + type + '/directory', {
                params: options
            })
            .then(updateFileStructure);
        }

        function deleteFile (type, options) {
            return $http.delete('/' + type + '/file', {
                params: options
            })
            .then(updateFileStructure);
        }

        function editDirectoryPath (type, options) {
            options.isDirectory = true;
            return $http.patch('/' + type + '/directory/path', options)
            .then(updateFileStructure);
        }

        function editFilePath (type, options) {
            return $http.patch('/' + type + '/file/path', options)
            .then(updateFileStructure);
        }

        function toggleOpenDirectory (directoryPath) {
            var openDirectories = getOpenDirectories();
            if (openDirectories[directoryPath]) {
                delete openDirectories[directoryPath];
            } else {
                openDirectories[directoryPath] = true;
            }
            persistentStateService.set(OPEN_DIRECTORIES, openDirectories);
        }

        function parseComponentsAndMockData (fileStructure) {
            fileStructure.availableComponents = _.map(fileStructure.availableComponents, function (component) {
                return ComponentParserService.parse(component);
            });
            fileStructure.availableMockData = _.map(fileStructure.availableMockData, function (mockData) {
                return MockDataParserService.parse(mockData);
            });
            return fileStructure;
        }

        function updateFileStructure (fileStructure) {
            fileStructure.directory = restoreOpenDirectories(fileStructure.directory);
            fileStructure.directory.allFiles = getAllFiles(fileStructure.directory);
            fileStructure.directory.open = true;
            return fileStructure;
        }

        function getOpenDirectories () {
            return persistentStateService.get(OPEN_DIRECTORIES);
        }

        function restoreOpenDirectories (directory) {
            directory.directories.forEach(function (directory) {
                restoreOpenDirectories(directory);
            });
            directory.open = !!getOpenDirectories()[directory.path];
            return directory;
        }

        function getAllFiles (directory, allFiles) {
            if (!allFiles) {
                allFiles = [];
            }
            _.each(directory.directories, function (directory) {
                allFiles = getAllFiles(directory, allFiles);
            })
            allFiles = allFiles.concat(directory.files);
            return allFiles;
        }
    };

    Core.service('fileStructureService', FileStructureService);