73 lines
2.3 KiB
TypeScript
73 lines
2.3 KiB
TypeScript
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import {
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LogicStep,
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Target,
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LogicStepType,
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LogicalOperator,
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ConditionStep,
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Table,
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Variable,
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ComparisonOperators,
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} from 'models'
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import { isDefined } from 'utils'
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import { isMathFormula, evaluateExpression, parseVariables } from './variable'
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export const executeLogic = (
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step: LogicStep,
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variables: Table<Variable>,
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updateVariableValue: (variableId: string, expression: string) => void
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): Target | undefined => {
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switch (step.type) {
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case LogicStepType.SET_VARIABLE: {
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if (!step.options?.variableId || !step.options.expressionToEvaluate)
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return
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const expression = step.options.expressionToEvaluate
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const evaluatedExpression = isMathFormula(expression)
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? evaluateExpression(parseVariables(expression, variables))
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: expression
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updateVariableValue(step.options.variableId, evaluatedExpression)
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return
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}
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case LogicStepType.CONDITION: {
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const isConditionPassed =
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step.options?.logicalOperator === LogicalOperator.AND
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? step.options?.comparisons.allIds.every(
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executeComparison(step, variables)
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)
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: step.options?.comparisons.allIds.some(
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executeComparison(step, variables)
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)
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return isConditionPassed ? step.trueTarget : step.falseTarget
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}
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}
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}
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const executeComparison =
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(step: ConditionStep, variables: Table<Variable>) =>
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(comparisonId: string) => {
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const comparison = step.options?.comparisons.byId[comparisonId]
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if (!comparison?.variableId) return false
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const inputValue = variables.byId[comparison.variableId].value ?? ''
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const { value } = comparison
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if (!isDefined(value)) return false
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switch (comparison.comparisonOperator) {
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case ComparisonOperators.CONTAINS: {
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return inputValue.includes(value)
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}
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case ComparisonOperators.EQUAL: {
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return inputValue === value
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}
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case ComparisonOperators.NOT_EQUAL: {
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return inputValue !== value
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}
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case ComparisonOperators.GREATER: {
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return parseFloat(inputValue) >= parseFloat(value)
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}
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case ComparisonOperators.LESS: {
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return parseFloat(inputValue) <= parseFloat(value)
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}
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case ComparisonOperators.IS_SET: {
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return isDefined(inputValue) && inputValue.length > 0
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}
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}
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}
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