Gottwik/Enduro

// * ———————————————————————————————————————————————————————— * //
// *     Handles adding new page
// * ———————————————————————————————————————————————————————— * //
const page_adding_service = function () {}

// * vendor dependencies
const path = require('path')
const _ = require('lodash')
const fs = require('fs')

// * enduro dependencies
const flat = require(enduro.enduro_path + '/libs/flat_db/flat')
const pagelist_generator = require(enduro.enduro_path + '/libs/build_tools/pagelist_generator')

// adds a new page to a generator - basically creates a .js file in the generator folder
page_adding_service.prototype.new_generator_page = function (new_pagename, generator) {
    // try to load a template generator - templates are named same as generator
    // 
    return get_new_generator_context(generator)
        .then((template_content) => {
            return flat.save(path.join('generators', generator, new_pagename), template_content)
        })
        .then(() => {
            return pagelist_generator.generate_cms_list()
        })
        .then((cmslist) => {
            return pagelist_generator.save_cms_list(cmslist)
        })
}

// ¯\_(ツ)_/¯
page_adding_service.prototype.delete_page = function (pagename) {
    const filePath = enduro.project_path + '/cms/' + pagename + '.js';
    if (fs.existsSync(filePath)) {
        console.log('File exist!');
        fs.unlink(filePath, function (err) {
            if (err) {
                console.log('Error occurred!');
            } else {
                console.log('File' + pagename + '.js was deleted!');            
            }
        });
    }
}

function get_new_generator_context (generator) {
    return flat.load(path.join('generators', generator, generator))
        .then((template_content) => {

            // check if generator template exists
            if (_.isEmpty(template_content)) {

                // there is no template, let's get the first page there is
                return pagelist_generator.get_cms_list()
                    .then((cms_list) => {
                        const all_pages = _.filter(cms_list.structured[generator], { page: true })
                        if (all_pages.length > 0) {
                            return flat.load(all_pages[0].fullpath)
                        } else {
                            return {}
                        }
                    })
            } else {
                return template_content
            }
        })
}

module.exports = new page_adding_service()