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strategies should be fetched from DB
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@ -1,3 +1,5 @@
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var strategyDb = require('./strategyDb');
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var strategies = [
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{
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name: "default",
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@ -21,7 +23,9 @@ function byName(name) {
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module.exports = function (app) {
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app.get('/strategies', function (req, res) {
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res.json({strategies: strategies});
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strategyDb.getStrategies().then(function (strategies) {
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res.json({strategies: strategies});
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});
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});
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app.get('/strategies/:name', function (req, res) {
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56
lib/strategyDb.js
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56
lib/strategyDb.js
Normal file
@ -0,0 +1,56 @@
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var eventStore = require('./eventStore');
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var eventType = require('./eventType');
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var logger = require('./logger');
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var knex = require('./dbPool');
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var STRATEGY_COLUMNS = ['name', 'description', 'parameters_template'];
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eventStore.on(eventType.strategyCreated, function (event) {
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knex('strategies')
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.insert(eventToRow(event))
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.catch(function (err) {
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logger.error('Could not insert strategy, error was: ', err);
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});
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});
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function getStrategies() {
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return knex
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.select(STRATEGY_COLUMNS)
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.from('strategies')
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.orderBy('created_at', 'desc')
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.map(rowToStrategy);
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}
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function getStrategy(name) {
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return knex
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.first(STRATEGY_COLUMNS)
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.from('strategies')
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.where({name: name})
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.then(rowToStrategy);
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}
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function rowToStrategy(row) {
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if (!row) {
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throw new Error('invalid row');
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}
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return {
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name: row.name,
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description: row.description,
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enabled: row.enabled > 0,
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parametersTemplate: row.parameters_template // jshint ignore: line
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};
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}
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function eventToRow(event) {
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return {
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name: event.data.name,
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description: event.data.description,
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parameters_template: event.data.parametersTemplate // jshint ignore: line
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};
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}
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module.exports = {
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getStrategies: getStrategies,
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getStrategy: getStrategy
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};
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