yekonga-server/src/core/modelControl.js

Yekonga Server

/*global Yekonga, serverLibrary */
// @ts-nocheck

const H = Yekonga.Helper;
const fs = serverLibrary.fs;
const moment = serverLibrary.moment;
const excel = serverLibrary.excel;
const path = serverLibrary.path;
const PDF = serverLibrary.PDF;
const ObjectId = serverLibrary.mongodb.ObjectId;
const AuditTrail = require('./auditTrail');


function beforeAndAfterCallback(action, name, params, isAdmin) {
    const { accessRole, route } = params || {}

    return Yekonga.Cloud.getBeforeAndAfterCallback(action, name, accessRole, route, isAdmin);
}

module.exports = class ModelControl {
    constructor(model) {
        this.collection = null;
        this.modelTitle = '';
        this.modelClass = null;
        this.modelClassVariable = null;
        this.modelFields = {};
        this.modelRelationFields = [];
        this.databaseType = null;
        this.auditTrail = null;
        this.ModelController = {};
        this.hasProfileId = false;
        this.fileFields = [];
        this.timestampFields = [];
        this.keyFields = [];

        this.init(model);
        this.ModelController.ignoreAction = false;
        this.ModelController.findOne = this.buildFindOne(this);
        this.ModelController.find = this.buildFind(this);
        this.ModelController.paginate = this.buildPaginate(this);
        this.ModelController.download = this.buildDownload(this);
        this.ModelController.summary = this.buildSummary(this);
        this.ModelController.count = this.buildCount(this);
        this.ModelController.sum = this.buildSum(this);
        this.ModelController.max = this.buildMax(this);
        this.ModelController.min = this.buildMin(this);
        this.ModelController.graph = this.buildGraph(this);
        this.ModelController.create = this.buildCreate(this);
        this.ModelController.update = this.buildUpdate(this);
        this.ModelController.import = this.buildImport(this);
        this.ModelController.delete = this.buildDelete(this);
        this.ModelController.force = this.buildForce(this);

        const conf = Yekonga.Config.database[Yekonga.Config.defaultDatabase];
        this.databaseType = (conf && conf.type) ? conf.type : 'mongodb';
    }

    init(model) {
        var updatedCollection = this.collection;
        for (const key in model) {
            if (key == "profileId") {
                this.hasProfileId = true;
                break;
            }
        }

        if (model._id) {
            this.collection = model._id.collection;
            updatedCollection = this.collection.startsWith('_') 
                ? this.collection.substr(1)
                : this.collection;
            this.modelTitle = H.getTitle(H.toSingular(updatedCollection));
            this.modelClass = H.getClass(updatedCollection);
            this.modelClassVariable = H.getClassVariable(updatedCollection, true);
        }

        if (!model._id.secondaryKey) {
            model._id.secondaryKey = H.getVariable(`${H.toSingular(H.getUnderscore(updatedCollection))}_id`);
        }

        this.secondaryKey = model._id.secondaryKey;
        this.modelFields = model;
        this.auditTrail = new AuditTrail({
            collection: this.collection,
            modelClass: this.modelClass,
            secondaryKey: this.secondaryKey,
        });
        for (const key in this.modelFields) {
            if (H.isTimestampColumn(key, this.modelFields[key])) {
                this.timestampFields.push(key);
            } else if(H.isColumnUrl(key, this.modelFields[key])) {
                this.fileFields.push(key);
            } 
            
            if(H.isObjectID(key, this.modelFields[key])) {
                this.keyFields.push(key);
            }
        }
        this.setRelations();
    }

    create() {
        return this.ModelController;
    }

    setRelations() {
        let parents = {};
        let children = {};
        let parentsArray = H.getParents(this.modelFields);
        let childrenArray = H.getChildren(this.modelFields);

        this.modelRelationFields.push(this.secondaryKey);

        for (const item of parentsArray) {
            this.modelRelationFields.push(item._id.foreignKey);
            // parents[H.getClass(item._id.collection)] = H.copyJson(item._id);
            parents[item._id.relatedName] = H.copyJson(item._id);
        }

        for (const item of childrenArray) {
            this.modelRelationFields.push(item._id.foreignKey);
            // children[H.getClass(item._id.collection)] = H.copyJson(item._id);
            children[item._id.relatedName] = H.copyJson(item._id);
        }

        this.parents = parents;
        this.children = children;
    }

    async getWhere(self, key, operation, value, context) {
        var result = {};

        if (key == 'AND') {
            var newValue = [];
            for (const whr of value) {
                newValue.push((await self.processWhere(self, whr, context)))
            }
            result = { key: '$and', value: newValue };
        } else if (key == 'OR') {
            var newValue = [];
            for (const whr of value) {
                newValue.push((await self.processWhere(self, whr, context)))
            }
            result = { key: '$or', value: newValue };
        } else if (key == 'NOR') {
            var newValue = [];
            for (const whr of value) {
                newValue.push((await self.processWhere(self, whr, context)))
            }
            result = { key: '$nor', value: newValue };
        } else {
            result = await self.getWhereItem(self, key, value, operation);
        }

        return result;
    }

    getWhereItem(self, key, value, operation) {
        var result = null;
        if(
            Array.isArray(self.keyFields) 
            && self.keyFields.includes(key)
        ) {
            if(
                typeof value == "string" 
                && value.length == 24
            ) {
                value = new ObjectId(value);
            } else if(Array.isArray(value)) {
                for (let i = 0; i < value.length; i++) {
                    if(
                        typeof value[i] == "string" 
                        && value[i].length == 24
                    ) {
                        value[i] = new ObjectId(value[i]);
                    }
                }
            }
        }

        switch (operation) {
            case 'equalTo':
                result = { key, value: { '$eq': value } };
                break;

            case 'notEqualTo':
                result = { key, value: { '$ne': value } };
                break;

            case 'lessThan':
                value = H.convertCalculatedValue(value);
                result = { key, value: { '$lt': value } };
                break;

            case 'notLessThan':
                value = H.convertCalculatedValue(value);
                result = { key, value: { '$not': { '$lt': value } } };
                break;

            case 'lessThanOrEqualTo':
                value = H.convertCalculatedValue(value);
                result = { key, value: { '$lte': value } };
                break;

            case 'notLessThanOrEqualTo':
                value = H.convertCalculatedValue(value);
                result = { key, value: { '$not': { '$lte': value } } };
                break;

            case 'greaterThan':
                value = H.convertCalculatedValue(value);
                result = { key, value: { '$gt': value } };
                break;

            case 'notGreaterThan':
                value = H.convertCalculatedValue(value);
                result = { key, value: { '$not': { '$gt': value } } };
                break;

            case 'greaterThanOrEqualTo':
                value = H.convertCalculatedValue(value);
                result = { key, value: { '$gte': value } };
                break;

            case 'notGreaterThanOrEqualTo':
                value = H.convertCalculatedValue(value);
                result = { key, value: { '$not': { '$gte': value } } };
                break;

            case 'in':
                result = { key, value: { '$in': value } };
                break;

            case 'all':
                result = { key, value: { '$all': value } };
                break;

            case 'notIn':
                result = { key, value: { '$nin': value } };
                break;

            case 'exists':
                var exists = (value ? true : false);

                if(exists) {
                    result = { 
                        key, 
                        value: { 
                            '$exists': true,
                            '$nin': [null,undefined]
                        } 
                    };
                } else {
                    var valueA = {};
                    var valueB = {};
                    valueA[key] = { '$exists': false };
                    valueB[key] = { '$in': [null,undefined] };
                    
                    result = { 
                        key: '$or', 
                        value: [valueA, valueB]
                    };
                }
                break;

            case 'matchesRegex':
                result = { key, value: (new RegExp(value, "i")) };
                break;

            case 'options':
                result = { key, value: { '$eq': value } };
                break;

            case 'text':
                result = { key, value: { '$eq': value } };
                break;

            case 'inQueryKey':
                result = { key, value: { '$eq': value } };
                break;

            case 'notInQueryKey':
                result = { key, value: { '$eq': value } };
                break;

            default:
                result = { key, value };
                break;
        }

        return result;
    }

    async processWhere(self, where, context) {
        var filter = {}
        const { req } = context;

        for (const key in where) {
            const valueObj = where[key];
            const whereName = H.getClass(key);

            if (['AND', 'OR', 'NOR'].includes(key)) {
                const params = await self.getWhere(self, key, key, valueObj, context);
                filter[params.key] = params.value;
            } else if (self.modelFields[key] && self.databaseType == 'mongodb' && (self.modelRelationFields.includes(key) || self.secondaryKey === key)) {
                let _value = valueObj;

                if (!(valueObj instanceof ObjectId) && typeof valueObj == 'string' && valueObj.length === 24) {
                    // @ts-ignore
                    _value = new ObjectId(valueObj);

                    const params = await self.getWhere(self, key, 'equalTo', _value, context);
                    filter[H.getColumn(params.key)] = params.value;
                } else if (Array.isArray(valueObj)) {
                    _value = valueObj.map((v) => {
                        // @ts-ignore
                        return (typeof v == 'string' && v.length === 24) ? new ObjectId(v) : v;
                    });

                    const params = await self.getWhere(self, key, 'in', _value, context);
                    filter[H.getColumn(params.key)] = params.value;
                } else if (valueObj && !(valueObj instanceof ObjectId) && typeof valueObj == 'object') {
                    for (const operation in valueObj) {
                        let _value = valueObj[operation];

                        if (!(_value instanceof ObjectId) && typeof _value == 'string' && _value.length === 24) {
                            // @ts-ignore
                            _value = new ObjectId(_value);
                        } else if (Array.isArray(_value)) {
                            _value = _value.map((v) => {
                                // @ts-ignore
                                return (typeof v == 'string' && v.length == 24) ? new ObjectId(v) : v;
                            });
                        }
                        const params = await self.getWhere(self, key, operation, _value, context);

                        if (filter[H.getColumn(params.key)]) {
                            if (params.value && typeof params.value == 'object' && !(params.value instanceof Date) ) {
                                for (const k in params.value) {
                                    filter[H.getColumn(params.key)][k] = params.value[k];
                                }
                            } else {
                                filter[H.getColumn(params.key)] = params.value;
                            }
                        } else {
                            filter[H.getColumn(params.key)] = params.value;
                        }
                    }
                } else {
                    const params = await self.getWhere(self, key, 'equalTo', _value, context);
                    filter[H.getColumn(params.key)] = params.value;
                }
            } else if (self.modelFields[key] && valueObj && typeof valueObj == 'object' && !(valueObj instanceof ObjectId)) {
                for (const operation in valueObj) {
                    const value = valueObj[operation];
                    const params = await self.getWhere(self, key, operation, value, context);

                    if (filter[H.getColumn(params.key)]) {
                        if (params.value && typeof params.value == 'object' && !(params.value instanceof Date)) {
                            if (typeof filter[H.getColumn(params.key)] !== 'object') {
                                filter[H.getColumn(params.key)] = {};
                            }

                            for (const k in params.value) {
                                filter[H.getColumn(params.key)][k] = params.value[k];
                            }
                        } else {
                            filter[H.getColumn(params.key)] = params.value;
                        }
                    } else {
                        filter[H.getColumn(params.key)] = params.value;
                    }
                }
            } else if (self.modelFields[key]) {
                let _value = valueObj;
                if (key === self.secondaryKey) {
                    if (typeof valueObj == 'string' && valueObj.length === 24) {
                        // @ts-ignore
                        _value = new ObjectId(valueObj);
                    } else if (Array.isArray(valueObj)) {
                        _value = valueObj.map((v) => {
                            // @ts-ignore
                            return (typeof v == 'string' && v.length === 24) ? new ObjectId(v) : v;
                        });
                    }
                }

                const params = await self.getWhere(self, key, 'equalTo', _value, context);

                filter[H.getColumn(params.key)] = params.value;
            } else if (!self.modelFields[key] && key.startsWith('_') && self.modelFields[key.substring(1)]) {
                let _value = valueObj;
                if (key === self.secondaryKey) {
                    if (typeof valueObj == 'string' && valueObj.length === 24) {
                        // @ts-ignore
                        _value = new ObjectId(valueObj);
                    } else if (Array.isArray(valueObj)) {
                        _value = valueObj.map((v) => {
                            // @ts-ignore
                            return (typeof v == 'string' && v.length === 24) ? new ObjectId(v) : v;
                        });
                    }
                }

                if (_value && typeof _value === 'object') {
                    filter[key] = _value;
                } else {
                    const params = await self.getWhere(self, key, 'equalTo', _value, context);
                    filter[params.key] = params.value;
                }
            } else if (!self.modelFields[key]) {
                if (
                    self.parents[key] || self.children[key]
                ) {
                    let ids = [];
                    let objectToGetKey = {};
                    objectToGetKey[key] = valueObj;
                    let objectValueId = H.getObjectUUID(objectToGetKey);

                    // console.log(objectToGetKey);
                    // console.log(objectValueId);
                    // console.log(context.params)
                    // console.log(context.filter)
                    // console.log('============================')
                    
                    if (req && !req.Yekonga.Temporary) req.Yekonga.Temporary = {};
                    if (req && req.Yekonga.Temporary[objectValueId]) {
                        ids = req.Yekonga.Temporary[objectValueId];
                    } else {
                        let localSecondaryKey = null;
                        let localModelClass = null;
                        if (self.parents[key]) {
                            localSecondaryKey = self.parents[key].secondaryKey;
                            localModelClass = H.getClass(self.parents[key].collection);
                        } else if (self.children[key]) {
                            localSecondaryKey = self.children[key].foreignKey;
                            localModelClass = H.getClass(self.children[key].collection);
                        }

                        if (Yekonga.Model[localModelClass]) {
                            let sourceIds = await Yekonga.Model[localModelClass].find(valueObj, { ...context, select: [localSecondaryKey] }, true);
                            
                            if (Array.isArray(sourceIds)) {
                                for (let i = 0; i < sourceIds.length; i++) {
                                    var item = sourceIds[i];
                                    var v = item[localSecondaryKey];

                                    if (typeof v == 'string' && v.length === 24) {
                                        v = new ObjectId(v);
                                    }
                                    if (!(typeof v === 'undefined' || v === null)) {
                                        if (!ids.includes(v)) ids.push(v);
                                    }
                                }
                            }
                        }
                    }

                    if (Array.isArray(ids)) {
                        let params = null;
                        if (self.parents[key]) {
                            params = await self.getWhere(self, self.parents[key].foreignKey, 'in', ids, context);
                        } else if (self.children[key]) {
                            params = await self.getWhere(self, self.children[key].foreignKey, 'in', ids, context);
                        }

                        if (params) {
                            if(filter[H.getColumn(params.key)]) {
                                for (const k in filter[H.getColumn(params.key)]) {
                                    if (Object.hasOwnProperty.call(filter[H.getColumn(params.key)], k)) {
                                        params.value[k] = filter[H.getColumn(params.key)][k];
                                    }
                                }
                            }

                            filter[H.getColumn(params.key)] = params.value;
                        }
                    }
                }
            }
        }

        return filter;
    }

    async model(self, context, isAdmin = false) {
        if(typeof context === 'boolean') {
            isAdmin = context;
            context = { };
        }
        if (!context) context = {}
        var filterQuery = {};
        // @ts-ignore
        var { filter, params } = context;
        const { beforeFind, afterFind, parent, Auth, Client, headers, req } = context;
        // @ts-ignore
        if (parent && !context.accessRole) { 
            context.accessRole = (parent.params && parent.params.accessRole) ? parent.params.accessRole : null; 
        }
        var newFilter = {};
        if (!filter) filter = {};

        if (self.hasProfileId && !context.accessRole) {
            // if (req && req.Yekonga.Auth && req.Yekonga.Auth.profileId) {
            //     // filter["profileId"] = { equalTo: req.Yekonga.Auth.profileId }
            // } else if (!isAdmin) {
            //     if (!filter["profileId"]) {
            //         const profileId = (Auth && Auth.profileId) ? Auth.profileId : null;
            //         if (profileId) {
            //             // filter["profileId"] = { equalTo: profileId }
            //         }
            //     }
            // }
        }

        var InjectFunction = beforeAndAfterCallback('beforeFind', self.modelClass, params, isAdmin);

        if (InjectFunction) {
            var response = await InjectFunction({
                filter,
                ...context,
            });
            if (response === false) {
                return null;
            } else if (typeof response != 'undefined') {
                filter = response;
            }
        }

        for (const key in filter) {
            if (Object.prototype.hasOwnProperty.call(filter, key)) {
                const value = filter[key];

                if (value === null || typeof value == 'string' || typeof value == 'number' || typeof value == 'bigint' || typeof value == 'boolean') {
                    newFilter[key] = { '$eq': value };
                } else {
                    newFilter[key] = value;
                }
            }
        }
        
        var dataModel = Yekonga.DB.table(self.collection);
        if (newFilter) {
            filterQuery = await self.processWhere(self, newFilter, context);
        }

        filterQuery = await this.setTimestampFilters(self, dataModel, filterQuery);
        dataModel.where(filterQuery);

        if (params) {
            // console.log(params);
            if (params.page) {
                dataModel.page(params.page);
            }
            if (params.limit) {
                dataModel.limit(params.limit);
            }
            
            if (params.groupBy) {
                if (Array.isArray(params.groupBy)) {
                    let value = {}
                    for (const key of params.groupBy) {
                        if (typeof key == 'string') {
                            value[H.getColumn(key)] = `$${H.getColumn(key)}`;
                        } else if (key && typeof key == 'object') {
                            value = key;
                        }
                    }

                    dataModel.groupBy("_id", value);
                } else {
                    let value = {}
                    if (typeof params.groupBy == 'string') {
                        value[H.getColumn(params.groupBy)] = `$${H.getColumn(params.groupBy)}`;
                    } else if (params.groupBy && typeof params.groupBy == 'object') {
                        value = params.groupBy;
                    }

                    dataModel.groupBy("_id", value);
                }
            }
            
            if (params.orderBy) {
                if (Array.isArray(params.orderBy)) {
                    for (const orderBy of params.orderBy) {
                        if (orderBy.key) {
                            var key = (orderBy.key == '_id' || orderBy.key.startsWith('_id.'))
                                ? orderBy.key
                                : H.getColumn(orderBy.key);

                            dataModel.orderBy(key, orderBy.value);
                        }
                    }
                } else if (params.orderBy.key) {
                    var key = (params.orderBy.key == '_id' || params.orderBy.key.startsWith('_id.'))
                        ? params.orderBy.key
                        : H.getColumn(params.orderBy.key);

                    dataModel.orderBy(key, params.orderBy.value);
                }
            }

            if (params.addedFields) {
                dataModel.addField(params.addedFields);
            }
        }

        return dataModel;
    }

    async setTimestampFilters(self, model, filters) {
        var addedFilters = {};
        var formattedFilters = {};
        for (const key in filters) {
            if (self.timestampFields.includes(key)) {
                // console.log(self.timestampFields);

                var format = '%Y-%m-%d';
                var value = filters[key];
                if (value && typeof value == 'object' && !(value instanceof Date)) {
                    for (const operator in value) {
                        if (Object.hasOwnProperty.call(value, operator)) {
                            const _value = value[operator];

                            if (_value && typeof _value == "string") {
                                format = H.formatJsToMongo(H.getTimeFormat(_value));
                                formattedFilters[`_${key}`] = value;
                            } else if (_value && typeof _value == "object" && !(_value instanceof Date)) {
                                for (const _operator in _value) {
                                    if (Object.hasOwnProperty.call(_value, _operator)) {
                                        const __value = _value[_operator];
                                        if (__value && typeof __value == "string") {
                                            format = H.formatJsToMongo(H.getTimeFormat(__value));
                                            formattedFilters[`_${key}`] = _value;
                                        }
                                    }
                                }
                            } else {
                                formattedFilters[`${key}`] = value;
                            }
                        }
                    }
                }

                addedFilters[`_${key}`] = {
                    $dateToString: {
                        format: format,
                        date: `$${key}`
                    }
                }
            } else {
                formattedFilters[key] = filters[key];
            }
        }
        // if (self.modelClass == "Event") {
        //     console.log(filters);
        // }

        model.addField(addedFilters);

        return formattedFilters;
    }

    buildForce(self) {
        return async(force = true) => {
            self.ModelController.ignoreAction = force;

            return self.ModelController;
        }
    }

    buildFindOne(self) {
        return async(filter, context, isAdmin = false) => {
            authentication(self.modelClass, `${self.modelClassVariable}.information`, `view ${self.modelTitle} information`);
            if(typeof context === 'boolean') {
                isAdmin = context;
                context = { };
            }
            if (!context) context = {};
            context.filter = filter;
            const { select, params, parent, Auth, Client, headers, beforeFind, afterFind, } = context;

            var model = await self.model(self, context, isAdmin);
            if (model === null) {
                throw new Yekonga.Error.Forbidden(getRejectedByAction({modelClass: self.modelClass, params, action: 'before find'}))
            }
            if (select && Array.isArray(select) && select.length) {
                model.select(H.formatToColumn(select));
            }

            var result = await model.findOne();
            result = H.formatToVariables(result, self.secondaryKey, self.collection);

            var afterFindInjectFunction = beforeAndAfterCallback('afterFind', self.modelClass, params, isAdmin);
            if (afterFindInjectFunction) {
                await afterFindInjectFunction({
                    result,
                    ...context,
                })
            }

            if(result) {
                result.__ = {
                    collection: self.collection,
                    secondaryKey: self.secondaryKey,
                }
            }

            return result;
        }
    }

    buildFind(self) {
        return async(filter, context, isAdmin = false) => {
            authentication(self.modelClass, `${self.modelClassVariable}.list`, `see ${self.modelTitle} list`);
            if(typeof context === 'boolean') {
                isAdmin = context;
                context = { };
            }
            if (!context) context = {};
            context.filter = filter;
            const { select, params, parent, Auth, Client, headers, beforeFind, afterFind, } = context;

            var model = await self.model(self, context, isAdmin);
            if (model === null) throw new Yekonga.Error.Forbidden(getRejectedByAction({modelClass: self.modelClass, params, action: 'before find'}));
            if (select && Array.isArray(select) && select.length) {
                model.select(H.formatToColumn(select))
            }

            var result = await model.find();
            result = H.formatToVariables(result, self.secondaryKey, self.collection);

            if (!Array.isArray(result)) {
                result = [];
            }

            var afterFindInjectFunction = beforeAndAfterCallback('afterFind', self.modelClass, params, isAdmin);
            if (afterFindInjectFunction) {
                await afterFindInjectFunction({
                    result,
                    ...context,
                })
            }

            return result;
        }
    }

    buildPaginate(self) {
        return async(filter, context, isAdmin = false) => {
            authentication(self.modelClass, `${self.modelClassVariable}.list`, `see ${self.modelTitle} list`);
            if(typeof context === 'boolean') {
                isAdmin = context;
                context = { };
            }
            if (!context) context = {};
            context.filter = filter;
            const { select, params, parent, Auth, Client, headers, beforeFind, afterFind, } = context;

            var model = await self.model(self, context, isAdmin);
            if (model === null) throw new Yekonga.Error.Forbidden(getRejectedByAction({modelClass: self.modelClass, params, action: 'before find'}));

            if (select && Array.isArray(select) && select.length) {
                model.select(H.formatToColumn(select))
            }

            var result = await model.paginate();
            result.data = H.formatToVariables(result.data, self.secondaryKey, self.collection);

            var afterFindInjectFunction = beforeAndAfterCallback('afterFind', self.modelClass, params, isAdmin);
            if (afterFindInjectFunction) {
                await afterFindInjectFunction({
                    result,
                    ...context,
                });
            }

            return result;
        }
    }

    buildDownload(self) {
        var headingColumnNames = [];
        for (const key in this.modelFields) {
            headingColumnNames.push(H.getTitle(key));
        }

        return async(filter, context, isAdmin = false) => {
            authentication(self.modelClass, `${self.modelClassVariable}.download`, `download ${self.modelTitle} list`, false);
            if(typeof context === 'boolean') {
                isAdmin = context;
                context = { };
            }
            if (!context) context = {};
            context.filter = filter;
            const { select, params, parent, Auth, Client, headers, beforeFind, afterFind, req, res} = context;
            var data = [];
            var queryBody = null;
            
            if(
                req 
                && req.Yekonga 
                && req.Yekonga.Client 
                && req.Yekonga.Client.body 
                && req.Yekonga.Client.body.variables 
                && req.Yekonga.Client.body.variables.download
            ) {
                queryBody = req.Yekonga.Client.body.variables.download;
            }
            console.log('downloadQuery', 'Start');
            if (queryBody) {
                data = await Yekonga.Helper.getGraphql(queryBody, Yekonga.Client.headers, 'list', context);
            } else {
                var model = await self.model(self, context, isAdmin);
                if (model === null) throw new Yekonga.Error.Forbidden(getRejectedByAction({modelClass: self.modelClass, params, action: 'before download'}));
                if (select && Array.isArray(select) && select.length) {
                    model.select(H.formatToColumn(select))
                }

                data = await model.limit(null).find();
            }
            console.log('downloadQuery', 'Loaded');

            if (Array.isArray(data)) {
                var timezone = (headers)? (headers['timezone'] || headers['Timezone']): null;
                console.log("download timezone:", timezone);
                data = data.map(e => {
                    // console.log(e);
                    return ModelControl.getDataValue(e, timezone); 
                });
            } else {
                // console.log()
                data = [];
            }
            // console.log('downloadQuery', 'sorted');
            // console.log("downloadQuery", headingColumnNames)
            headingColumnNames = ModelControl.getHeading(headingColumnNames, data);
            // console.log("downloadQuery", headingColumnNames)

            var publicPath = Array.isArray(Yekonga.Config.public) ? Yekonga.Config.public[0] : Yekonga.Config.public;
            var time = H.toTimestampString(null, 'YYYY-MM-DD-HHmm'); // YYYY-MM-DD-HHmm
            var ext = ModelControl.getExtName(params.downloadType);
            var filename = `${H.getLink(self.modelClass)}-${time}.${ext}`;
            var dirpath = `${path.join(serverLibrary.__dirname, publicPath)}/tmp/`;
            var filepath = `${dirpath}/${filename}`;
            var fileUrl = `//${Yekonga.Config.domain}/download/${filename}`;

            if (!fs.existsSync(filepath)) {
                H.createFile(filepath, '');
            }

            var result = {
                filename: null,
                url: null,
                type: params.downloadType,
                size: 0,
            }

            if (['PDF', 'PRINT', 'JPG', 'PNG', 'IMAGE'].includes(result.type)) {
                var html = this._dataHtmlContent(headingColumnNames, data);
                var orientation = (params.orientation) ? params.orientation : 'portrait';
                var options = { format: 'A4', orientation: orientation, type: ext, quality: "100", };
                options.margin = { top: '10px', right: '10px', bottom: '10px', left: '10px' };
                // @ts-ignore
                await H.PDF(html, filepath, options);
            } else if (result.type == 'EXCEL') {
                const wb = new excel.Workbook();
                const ws = wb.addWorksheet('Raw Data');

                //Write Column Title in Excel file
                let headingColumnIndex = 1;
                headingColumnNames.forEach(heading => {
                    ws.cell(1, headingColumnIndex++).string(H.getTitle(heading));
                });

                //Write Data in Excel file
                let rowIndex = 2;
                data.forEach(record => {
                    let columnIndex = 1;
                    for (const key of headingColumnNames) {
                        var v = record[key];
                        if(Array.isArray(v)) v = v.join(" / ");
                        ws.cell(rowIndex, columnIndex++).string(`${(typeof v != 'undefined' && v != null)? v: ''}`);
                    }
                    rowIndex++;
                });
                wb.write(filepath);
            } else {
                const csvData = [headingColumnNames.map(e=>H.getTitle(e)).join(',')];

                //Write Data in Excel file
                data.forEach(record => {
                    let _data = [];
                    for (const key of headingColumnNames) {
                        var v = record[key];
                        if(Array.isArray(v)) v = v.join(" / ");
                        if(typeof v == 'string'){
                            if(v.includes(',')) v = JSON.stringify(v);
                            else if(v.includes("'")) v = JSON.stringify(v);
                        }

                        _data.push(v);
                    }
                    csvData.push(_data);
                });
                fs.writeFileSync(filepath, csvData.join('\n'));
            }

            result.filename = filename;
            result.url = fileUrl;
            await H.wait(5000);

            var afterFindInjectFunction = beforeAndAfterCallback('afterFind', self.modelClass, params, isAdmin);
            if (afterFindInjectFunction) {
                await afterFindInjectFunction({
                    result,
                    ...context,
                })
            }

            return result;
        }
    }

    buildCreate(self) {
        var secondaryKey = this.secondaryKey;

        return async(input, context, isAdmin = false) => {
            authentication(self.modelClass, `${self.modelClassVariable}.create`, `${self.modelTitle}`);
            if(typeof context === 'boolean') {
                isAdmin = context;
                context = { };
            }
            if (!context) context = {};
            if (!context.params) context.params = {};
            const { select, params, parent, Auth, Client, headers, beforeFind, afterFind, } = context;

            const orgInput = H.copyJson(context.params.input);
            const { beforeSave, afterSave, beforeCreate, afterCreate } = context;
            var result = null;

            try {
                if (Array.isArray(input)) {
                    var _inputValid = [];

                    for (let i = 0; i < input.length; i++) {
                        const v = input[i];
                        if (v && !v[secondaryKey]) v[secondaryKey] = H.getHexString();

                        const value = H.formatToColumn(H.getValidFields({
                            input: v, 
                            validFields: self.modelFields, 
                            isCreate: true, 
                            relations: self.modelRelationFields, 
                            request: context.req,
                            fileFields: self.fileFields,
                        }).pop())
                        
                        if (self.modelClass === 'User') {
                            if (!value.email && !value.phone) {
                                throw new Yekonga.Error.Forbidden(`User must have email or phone number`);
                            }

                            if (typeof value.email == 'string' && !H.isEmail(value.email)) {
                                throw new Yekonga.Error.Forbidden(`Email can't be empty or must be valid`);
                            }

                            if (typeof value.phone == 'string' && !H.isPhone(value.phone)) {
                                throw new Yekonga.Error.Forbidden(`Phone number can't be empty or must be valid`);
                            }

                            if (value.email && H.isEmailIdentifier()) await H.uniqueEmail(value.email, null);
                            if (value.phone && H.isPhoneIdentifier()) await H.uniquePhone(value.phone, null);
                            if (value.whatsapp && H.isWhatsappIdentifier()) await H.uniqueWhatsapp(value.whatsapp, null);
                            if (value.username && H.isUsernameIdentifier()) await H.uniqueUsername(value.username, null);
                        }

                        if (self.hasProfileId && self.modelClass == 'Profile') { 
                            value.profileId = new ObjectId(H.getHexString());
                        }

                        _inputValid.push(value);
                    }
                    input = _inputValid;
                } else {
                    if (!input[secondaryKey]) input[secondaryKey] = H.getHexString();
                    // {input, validFields, isCreate = false, fileFields = [], relations = [], request = {}}
                    input = H.formatToColumn(H.getValidFields({
                        input: input, 
                        validFields: self.modelFields, 
                        isCreate: true, 
                        relations: self.modelRelationFields, 
                        request: context.req,
                        fileFields: self.fileFields,
                        }).pop());

                    if (self.modelClass == 'User') {
                        if (input.email && H.isEmailIdentifier()) await H.uniqueEmail(input.email, null);
                        if (input.phone && H.isPhoneIdentifier()) await H.uniquePhone(input.phone, null);
                        if (input.whatsapp && H.isWhatsappIdentifier()) await H.uniqueWhatsapp(input.whatsapp, null);
                        if (input.username && H.isUsernameIdentifier()) await H.uniqueUsername(input.username, null);
                    }

                    if (self.hasProfileId && self.modelClass == 'Profile') { 
                        input.profileId = new ObjectId(H.getHexString())
                    }
                }

                var beforeSaveInjectFunction = beforeAndAfterCallback('beforeSave', self.modelClass, params, isAdmin);
                if (beforeSaveInjectFunction) {
                    var _input = await beforeSaveInjectFunction({
                        input,
                        result,
                        ...context,
                    });
                    if (_input === false) throw new Yekonga.Error.Forbidden(getRejectedByAction({modelClass: self.modelClass, params, action: 'before save'}));
                    if (_input) input = _input;
                }

                var beforeCreateInjectFunction = beforeAndAfterCallback('beforeCreate', self.modelClass, params, isAdmin);
                if (beforeCreateInjectFunction) {
                    var _input = await beforeCreateInjectFunction({
                        input,
                        result,
                        ...context,
                    });
                    if (_input === false) throw new Yekonga.Error.Forbidden(getRejectedByAction({modelClass: self.modelClass, params, action: 'before create'}));
                    if (_input) input = _input;
                }

                // {input, validFields, isCreate = false, fileFields = [], relations = [], request = {}}
                input = H.formatToColumn(H.getValidFields({
                    input: input, 
                    validFields: self.modelFields,  
                    isCreate: true, 
                    relations: self.modelRelationFields, 
                    request: null,
                    fileFields: self.fileFields,
                    secondaryKey: self.secondaryKey,
                }));

                self.auditTrail.setOldValues(context, isAdmin);
                result = await Yekonga.DB.table(self.collection, H.getColumn(`${secondaryKey}`)).create(input);
                self.auditTrail.record(orgInput, 'create', result.data);

                if (Array.isArray(result.data)) {
                    result.data = result.data.map(v => {
                        return H.formatToVariables(v, secondaryKey, self.collection);
                    });
                } else {
                    result.data = H.formatToVariables(result.data, secondaryKey, self.collection);
                }

            } catch (error) {
                console.error(error);
                result = { error: error.message };
            }

            var afterSaveInjectFunction = beforeAndAfterCallback('afterSave', self.modelClass, params, isAdmin);
            if (afterSaveInjectFunction) {
                await afterSaveInjectFunction({
                    result,
                    input,
                    ...context,
                })
            }

            var afterCreateInjectFunction = beforeAndAfterCallback('afterCreate', self.modelClass, params, isAdmin);
            if (afterCreateInjectFunction) {
                await afterCreateInjectFunction({
                    result,
                    input,
                    ...context,
                })
            }

            return result;
        }
    }

    buildUpdate(self) {
        return async(input, filter, context, isAdmin = false) => {
            authentication(self.modelClass, `${self.modelClassVariable}.edit`, `${self.modelTitle} data`);
            if(typeof context === 'boolean') {
                isAdmin = context;
                context = { };
            }

            if (!context) context = {};
            context.filter = filter;
            const { select, params, parent, Auth, Client, headers, beforeFind, afterFind, beforeSave, afterSave, beforeUpdate, afterUpdate } = context;

            var model = null;
            var result = null;
            try {
                // {input, validFields, isCreate = false, fileFields = [], relations = [], request = {}}
                input = H.getValidFields({
                    input: input, 
                    validFields: self.modelFields, 
                    isCreate: false, 
                    relations: self.modelRelationFields, 
                    request: context.req,
                    fileFields: self.fileFields,
                    secondaryKey: self.secondaryKey,
                }).pop();

                input = H.formatToColumn(input);
                model = await self.model(self, context, isAdmin);

                var beforeSaveInjectFunction = beforeAndAfterCallback('beforeSave', self.modelClass, params, isAdmin);
                if (beforeSaveInjectFunction) {
                    var _input = await beforeSaveInjectFunction({
                        input,
                        filter,
                        ...context,
                    });
                    if (_input === false) throw new Yekonga.Error.Forbidden(getRejectedByAction({modelClass: self.modelClass, params, action: 'before save'}));
                    if (_input) input = _input;
                }

                var beforeUpdateInjectFunction = beforeAndAfterCallback('beforeUpdate', self.modelClass, params, isAdmin);
                if (beforeUpdateInjectFunction) {
                    var _input = await beforeUpdateInjectFunction({
                        input,
                        filter,
                        ...context,
                    });
                    if (_input === false) throw new Yekonga.Error.Forbidden(getRejectedByAction({modelClass: self.modelClass, params, action: 'before update'}));
                    if (_input) input = _input;
                }

                if (self.modelClass == 'User') {
                    if (input.email && H.isEmailIdentifier()) await H.uniqueEmail(input.email, filter);
                    if (input.phone && H.isPhoneIdentifier()) await H.uniquePhone(input.phone, filter);
                    if (input.whatsapp && H.isWhatsappIdentifier()) await H.uniqueWhatsapp(input.whatsapp, filter);
                    if (input.username && H.isUsernameIdentifier()) await H.uniqueUsername(input.username, filter);
                }

                // {input, validFields, isCreate = false, fileFields = [], relations = [], request = {}}
                input = H.getValidFields({
                    input: input, 
                    validFields: self.modelFields, 
                    isCreate: false, 
                    relations: self.modelRelationFields, 
                    request: null,
                    fileFields: self.fileFields,
                    secondaryKey: self.secondaryKey,
                }).pop();

                await self.auditTrail.setOldValues(context, isAdmin, model);
                result = await model.update(input);

                result.data = H.formatToVariables(result.data, self.secondaryKey, self.collection);
                self.auditTrail.record(input, 'update', result.data);
            } catch (error) {
                console.error(error);
                result = null;
                result = { error: error.message };
                throw new Yekonga.Error.Forbidden(result.error);
            }
            if (model === null) throw new Yekonga.Error.Forbidden(getRejectedByAction({modelClass: self.modelClass, params, action: 'before find on update'}));

            var afterSaveInjectFunction = beforeAndAfterCallback('afterSave', self.modelClass, params, isAdmin)