549 lines
14 KiB
JavaScript
549 lines
14 KiB
JavaScript
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const db = require('../models');
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const FileDBApi = require('./file');
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const crypto = require('crypto');
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const Utils = require('../utils');
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const Sequelize = db.Sequelize;
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const Op = Sequelize.Op;
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module.exports = class StrategiesDBApi {
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static async create(data, options) {
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const currentUser = (options && options.currentUser) || { id: null };
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const transaction = (options && options.transaction) || undefined;
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const strategies = await db.strategies.create(
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{
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id: data.id || undefined,
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name: data.name
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null
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,
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category: data.category
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null
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,
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description: data.description
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null
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,
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is_active: data.is_active
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false
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,
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default_timeframe_minutes: data.default_timeframe_minutes
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null
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,
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min_history_bars: data.min_history_bars
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null
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,
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importHash: data.importHash || null,
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createdById: currentUser.id,
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updatedById: currentUser.id,
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},
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{ transaction },
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);
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await FileDBApi.replaceRelationFiles(
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{
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belongsTo: db.strategies.getTableName(),
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belongsToColumn: 'attachments',
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belongsToId: strategies.id,
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},
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data.attachments,
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options,
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);
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return strategies;
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}
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static async bulkImport(data, options) {
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const currentUser = (options && options.currentUser) || { id: null };
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const transaction = (options && options.transaction) || undefined;
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// Prepare data - wrapping individual data transformations in a map() method
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const strategiesData = data.map((item, index) => ({
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id: item.id || undefined,
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name: item.name
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null
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,
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category: item.category
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null
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,
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description: item.description
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null
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,
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is_active: item.is_active
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false
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,
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default_timeframe_minutes: item.default_timeframe_minutes
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null
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,
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min_history_bars: item.min_history_bars
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null
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,
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importHash: item.importHash || null,
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createdById: currentUser.id,
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updatedById: currentUser.id,
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createdAt: new Date(Date.now() + index * 1000),
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}));
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// Bulk create items
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const strategies = await db.strategies.bulkCreate(strategiesData, { transaction });
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// For each item created, replace relation files
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for (let i = 0; i < strategies.length; i++) {
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await FileDBApi.replaceRelationFiles(
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{
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belongsTo: db.strategies.getTableName(),
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belongsToColumn: 'attachments',
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belongsToId: strategies[i].id,
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},
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data[i].attachments,
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options,
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);
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}
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return strategies;
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}
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static async update(id, data, options) {
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const currentUser = (options && options.currentUser) || {id: null};
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const transaction = (options && options.transaction) || undefined;
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const strategies = await db.strategies.findByPk(id, {}, {transaction});
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const updatePayload = {};
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if (data.name !== undefined) updatePayload.name = data.name;
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if (data.category !== undefined) updatePayload.category = data.category;
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if (data.description !== undefined) updatePayload.description = data.description;
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if (data.is_active !== undefined) updatePayload.is_active = data.is_active;
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if (data.default_timeframe_minutes !== undefined) updatePayload.default_timeframe_minutes = data.default_timeframe_minutes;
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if (data.min_history_bars !== undefined) updatePayload.min_history_bars = data.min_history_bars;
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updatePayload.updatedById = currentUser.id;
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await strategies.update(updatePayload, {transaction});
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await FileDBApi.replaceRelationFiles(
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{
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belongsTo: db.strategies.getTableName(),
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belongsToColumn: 'attachments',
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belongsToId: strategies.id,
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},
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data.attachments,
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options,
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);
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return strategies;
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}
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static async deleteByIds(ids, options) {
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const currentUser = (options && options.currentUser) || { id: null };
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const transaction = (options && options.transaction) || undefined;
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const strategies = await db.strategies.findAll({
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where: {
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id: {
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[Op.in]: ids,
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},
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},
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transaction,
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});
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await db.sequelize.transaction(async (transaction) => {
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for (const record of strategies) {
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await record.update(
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{deletedBy: currentUser.id},
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{transaction}
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);
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}
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for (const record of strategies) {
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await record.destroy({transaction});
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}
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});
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return strategies;
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}
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static async remove(id, options) {
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const currentUser = (options && options.currentUser) || {id: null};
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const transaction = (options && options.transaction) || undefined;
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const strategies = await db.strategies.findByPk(id, options);
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await strategies.update({
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deletedBy: currentUser.id
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}, {
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transaction,
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});
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await strategies.destroy({
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transaction
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});
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return strategies;
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}
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static async findBy(where, options) {
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const transaction = (options && options.transaction) || undefined;
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const strategies = await db.strategies.findOne(
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{ where },
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{ transaction },
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);
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if (!strategies) {
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return strategies;
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}
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const output = strategies.get({plain: true});
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output.strategy_parameters_strategy = await strategies.getStrategy_parameters_strategy({
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transaction
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});
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output.session_strategies_strategy = await strategies.getSession_strategies_strategy({
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transaction
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});
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output.trade_signals_strategy = await strategies.getTrade_signals_strategy({
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transaction
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});
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output.backtest_runs_strategy = await strategies.getBacktest_runs_strategy({
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transaction
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});
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output.optimization_runs_strategy = await strategies.getOptimization_runs_strategy({
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transaction
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});
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output.attachments = await strategies.getAttachments({
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transaction
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});
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return output;
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}
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static async findAll(
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filter,
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options
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) {
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const limit = filter.limit || 0;
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let offset = 0;
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let where = {};
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const currentPage = +filter.page;
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offset = currentPage * limit;
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const orderBy = null;
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const transaction = (options && options.transaction) || undefined;
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let include = [
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{
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model: db.file,
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as: 'attachments',
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},
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];
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if (filter) {
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if (filter.id) {
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where = {
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...where,
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['id']: Utils.uuid(filter.id),
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};
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}
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if (filter.name) {
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where = {
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...where,
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[Op.and]: Utils.ilike(
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'strategies',
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'name',
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filter.name,
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),
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};
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}
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if (filter.description) {
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where = {
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...where,
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[Op.and]: Utils.ilike(
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'strategies',
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'description',
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filter.description,
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),
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};
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}
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if (filter.default_timeframe_minutesRange) {
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const [start, end] = filter.default_timeframe_minutesRange;
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if (start !== undefined && start !== null && start !== '') {
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where = {
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...where,
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default_timeframe_minutes: {
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...where.default_timeframe_minutes,
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[Op.gte]: start,
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},
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};
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}
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if (end !== undefined && end !== null && end !== '') {
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where = {
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...where,
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default_timeframe_minutes: {
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...where.default_timeframe_minutes,
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[Op.lte]: end,
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},
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};
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}
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}
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if (filter.min_history_barsRange) {
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const [start, end] = filter.min_history_barsRange;
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if (start !== undefined && start !== null && start !== '') {
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where = {
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...where,
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min_history_bars: {
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...where.min_history_bars,
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[Op.gte]: start,
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},
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};
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}
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if (end !== undefined && end !== null && end !== '') {
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where = {
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...where,
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min_history_bars: {
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...where.min_history_bars,
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[Op.lte]: end,
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},
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};
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}
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}
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if (filter.active !== undefined) {
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where = {
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...where,
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active: filter.active === true || filter.active === 'true'
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};
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}
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if (filter.category) {
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where = {
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...where,
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category: filter.category,
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};
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}
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if (filter.is_active) {
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where = {
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...where,
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is_active: filter.is_active,
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};
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}
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if (filter.createdAtRange) {
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const [start, end] = filter.createdAtRange;
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if (start !== undefined && start !== null && start !== '') {
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where = {
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...where,
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['createdAt']: {
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...where.createdAt,
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[Op.gte]: start,
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},
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};
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}
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if (end !== undefined && end !== null && end !== '') {
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where = {
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...where,
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['createdAt']: {
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...where.createdAt,
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[Op.lte]: end,
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},
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};
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}
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}
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}
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const queryOptions = {
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where,
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include,
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distinct: true,
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order: filter.field && filter.sort
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? [[filter.field, filter.sort]]
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: [['createdAt', 'desc']],
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transaction: options?.transaction,
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logging: console.log
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};
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if (!options?.countOnly) {
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queryOptions.limit = limit ? Number(limit) : undefined;
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queryOptions.offset = offset ? Number(offset) : undefined;
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}
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try {
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const { rows, count } = await db.strategies.findAndCountAll(queryOptions);
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return {
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rows: options?.countOnly ? [] : rows,
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count: count
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};
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} catch (error) {
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console.error('Error executing query:', error);
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throw error;
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}
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}
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static async findAllAutocomplete(query, limit, offset, ) {
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let where = {};
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if (query) {
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where = {
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[Op.or]: [
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{ ['id']: Utils.uuid(query) },
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Utils.ilike(
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'strategies',
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'name',
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query,
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),
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],
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};
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}
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const records = await db.strategies.findAll({
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attributes: [ 'id', 'name' ],
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where,
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limit: limit ? Number(limit) : undefined,
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offset: offset ? Number(offset) : undefined,
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orderBy: [['name', 'ASC']],
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});
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return records.map((record) => ({
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id: record.id,
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label: record.name,
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}));
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}
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};
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