Files
DiceCloud/app/imports/api/engine/computation/buildComputation/parseCalculationFields.js

72 lines
2.5 KiB
JavaScript

import INLINE_CALCULATION_REGEX from '/imports/constants/INLINE_CALCULTION_REGEX.js';
import { prettifyParseError, parse } from '/imports/parser/parser.js';
import applyFnToKey from '/imports/api/engine/computation/utility/applyFnToKey.js';
import { get } from 'lodash';
import errorNode from '/imports/parser/parseTree/error.js'
export default function parseCalculationFields(prop, schemas){
discoverInlineCalculationFields(prop, schemas);
parseAllCalculationFields(prop, schemas);
}
function discoverInlineCalculationFields(prop, schemas){
// For each key in the schema
schemas[prop.type].inlineCalculationFields().forEach( calcKey => {
// That ends in .inlineCalculations
applyFnToKey(prop, calcKey, (prop, key) => {
const inlineCalcObj = get(prop, key);
if (!inlineCalcObj) return;
// Store a reference to all the inline calculations
prop._computationDetails.inlineCalculations.push(inlineCalcObj);
// Extract the calculations and store them on the property
let string = inlineCalcObj.text;
if (!string) return;
inlineCalcObj.inlineCalculations = [];
let matches = string.matchAll(INLINE_CALCULATION_REGEX);
for (let match of matches){
let calculation = match[1];
inlineCalcObj.inlineCalculations.push({
calculation,
});
}
});
});
}
function parseAllCalculationFields(prop, schemas){
// For each computed key in the schema
schemas[prop.type].computedFields().forEach( calcKey => {
// Determine the level the calculation should compute down to
let parseLevel = schemas[prop.type].getDefinition(calcKey).parseLevel || 'reduce';
// For all fields matching they keys
// supports `keys.$.with.$.arrays`
applyFnToKey(prop, calcKey, (prop, key) => {
const calcObj = get(prop, key);
if (!calcObj) return;
// Store a reference to all the calculations
prop._computationDetails.calculations.push(calcObj);
// Store the level to compute down to later
calcObj._parseLevel = parseLevel;
// Parse the calculation
parseCalculation(calcObj);
});
});
}
function parseCalculation(calcObj){
if (!calcObj.calculation) return;
try {
calcObj._parsedCalculation = parse(calcObj.calculation);
} catch (e) {
let error = {
type: 'evaluation',
message: prettifyParseError(e),
};
calcObj.errors ?
calcObj.errors.push(error) :
calcObj.errors = [error];
calcObj._parsedCalculation = errorNode.create({error});
}
}