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Luis Fernando Molina committed 2019-11-12 17:07:57 +01:00
1 parent fcbb893123
commit 8eaff70835
3 files changed
+82 -45
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IndicatorBotCommons.js
+45 -35
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@@ -32,7 +32,9 @@
let record = {}
for (let j = 0; j < recordDefinition.properties.length; j++) {
let property = recordDefinition.properties[j]
record[property.code.codeName] = dataFile[i][j]
if (property.code.isCalculated !== true) {
record[property.code.codeName] = dataFile[i][j]
}
}
jsonifiedArray.push(record);
@@ -41,52 +43,60 @@
return jsonifiedArray
}
function calculationsProcedure(dependencyArray, variableName, timePeriod) {
function calculationsProcedure(jsonArray, recordDefinition, calculationsProcedure, variableName, timePeriod) {
/*
This function has as an input an array of JSON objects, and it adds calculated properties to
complete the set of properties that will be available for Formulas.
*/
let dependecyArray = []
let system = { // These are the available system variables to be used in User Code and Formulas
timePeriod: timePeriod,
ONE_DAY_IN_MILISECONDS: ONE_DAY_IN_MILISECONDS
}
let variable = {} // This is the structure where the user will define its own variables that will be shared amond different code blocks and formulas.
let resultingArray = []
/* This is Initialization Code */
let lastMovingAverage = 0;
const SIDE_TOLERANCE = 0.5 * timePeriod / ONE_DAY_IN_MILISECONDS;
const SMALL_SLOPE = 1.0 * timePeriod / ONE_DAY_IN_MILISECONDS;
const MEDIUM_SLOPE = 2.0 * timePeriod / ONE_DAY_IN_MILISECONDS;
const HIGH_SLOPE = 4.0 * timePeriod / ONE_DAY_IN_MILISECONDS;
/* This is Initialization Code */
for (let i = 0; i < dataFile.length; i++) {
let indicator = {}
indicator[variableName] = dataFile[i]
/* This is Add Properties Code */
if (lastMovingAverage > indicator.bollingerBand.movingAverage) { indicator.bollingerBand.direction = 'Down'; }
if (lastMovingAverage < indicator.bollingerBand.movingAverage) { indicator.bollingerBand.direction = 'Up'; }
if (lastMovingAverage === indicator.bollingerBand.movingAverage) { indicator.bollingerBand.direction = 'Side'; }
let delta = Math.abs(indicator.bollingerBand.movingAverage - lastMovingAverage);
indicator.bollingerBand.slope = 'Extreme';
if (delta < indicator.bollingerBand.movingAverage * HIGH_SLOPE / 100) { indicator.bollingerBand.slope = 'Steep'; }
if (delta < indicator.bollingerBand.movingAverage * MEDIUM_SLOPE / 100) { indicator.bollingerBand.slope = 'Medium'; }
if (delta < indicator.bollingerBand.movingAverage * SMALL_SLOPE / 100) { indicator.bollingerBand.slope = 'Gentle'; }
if (delta < indicator.bollingerBand.movingAverage * SIDE_TOLERANCE / 100) { indicator.bollingerBand.slope = 'Side'; }
lastMovingAverage = indicator.bollingerBand.movingAverage;
/* This is Add Properties Code */
dependecyArray.push(indicator.bollingerBand);
if (calculationsProcedure.initialization !== undefined) {
if (calculationsProcedure.initialization.code !== undefined) {
eval(calculationsProcedure.initialization.code.code)
}
}
return dependecyArray
/* This is Initialization Code */
if (calculationsProcedure.loop !== undefined) {
if (calculationsProcedure.loop.code !== undefined) {
for (let i = 0; i < jsonArray.length; i++) {
let indicator = {}
indicator[variableName] = jsonArray[i]
/* This is Loop Code */
eval(calculationsProcedure.loop.code.code)
/* For each calculated property we apply its formula*/
for (let j = 0; j < recordDefinition.properties.length; j++) {
let property = recordDefinition.properties[j]
if (property.code.isCalculated === true) {
if (property.formula !== undefined) {
if (property.formula.code !== undefined) {
let newValue = eval(property.formula.code)
let currentRecord = indicator[variableName]
currentRecord[property.code.codeName] = newValue
}
}
}
}
/* Adding the new element to the resulting array */
resultingArray.push(indicator.bollingerBand);
}
}
}
return resultingArray
}
function addCalculatedProperties(dependencyArray, variableName, timePeriod) {
let dependecyArray = []