const Model = require('objection').Model const _ = require('lodash') /** * Users model */ module.exports = class AssetFolder extends Model { static get tableName() { return 'assetFolders' } static get jsonSchema () { return { type: 'object', properties: { id: {type: 'integer'}, name: {type: 'string'}, slug: {type: 'string'} } } } static get relationMappings() { return { parent: { relation: Model.BelongsToOneRelation, modelClass: AssetFolder, join: { from: 'assetFolders.folderId', to: 'assetFolders.id' } } } } /** * Get full folder hierarchy starting from specified folder to root * * @param {Number} folderId Id of the folder */ static async getHierarchy (folderId) { let hier if (WIKI.config.db.type === 'mssql') { hier = await WIKI.db.knex.with('ancestors', qb => { qb.select('id', 'name', 'slug', 'parentId').from('assetFolders').where('id', folderId).unionAll(sqb => { sqb.select('a.id', 'a.name', 'a.slug', 'a.parentId').from('assetFolders AS a').join('ancestors', 'ancestors.parentId', 'a.id') }) }).select('*').from('ancestors') } else { hier = await WIKI.db.knex.withRecursive('ancestors', qb => { qb.select('id', 'name', 'slug', 'parentId').from('assetFolders').where('id', folderId).union(sqb => { sqb.select('a.id', 'a.name', 'a.slug', 'a.parentId').from('assetFolders AS a').join('ancestors', 'ancestors.parentId', 'a.id') }) }).select('*').from('ancestors') } // The ancestors are from children to grandparents, must reverse for correct path order. return _.reverse(hier) } /** * Get full folder paths */ static async getAllPaths () { const all = await WIKI.db.assetFolders.query() let folders = {} all.forEach(fld => { _.set(folders, fld.id, fld.slug) let parentId = fld.parentId while (parentId !== null || parentId > 0) { const parent = _.find(all, ['id', parentId]) _.set(folders, fld.id, `${parent.slug}/${_.get(folders, fld.id)}`) parentId = parent.parentId } }) return folders } }