mon-entreprise/source/engine/evaluation.js

97 lines
2.6 KiB
JavaScript

import {
map,
pluck,
any,
equals,
reduce,
chain,
fromPairs,
keys,
values,
evolve,
filter
} from 'ramda'
export let makeJsx = node =>
typeof node.jsx == 'function'
? node.jsx(node.nodeValue, node.explanation)
: node.jsx
export let collectNodeMissing = node =>
node.collectMissing ? node.collectMissing(node) : []
export let evaluateNode = (cache, situationGate, parsedRules, node) =>
node.evaluate ? node.evaluate(cache, situationGate, parsedRules, node) : node
export let rewriteNode = (node, nodeValue, explanation, collectMissing) => ({
...node,
nodeValue,
collectMissing,
explanation
})
export let evaluateArray = (reducer, start) => (
cache,
situationGate,
parsedRules,
node
) => {
let evaluateOne = child =>
evaluateNode(cache, situationGate, parsedRules, child),
explanation = map(evaluateOne, node.explanation),
values = pluck('nodeValue', explanation),
nodeValue = any(equals(null), values)
? null
: reduce(reducer, start, values)
let collectMissing = node =>
node.nodeValue == null ? chain(collectNodeMissing, node.explanation) : []
return rewriteNode(node, nodeValue, explanation, collectMissing)
}
export let evaluateArrayWithFilter = (evaluationFilter, reducer, start) => (
cache,
situationGate,
parsedRules,
node
) => {
let evaluateOne = child =>
evaluateNode(cache, situationGate, parsedRules, child),
explanation = map(
evaluateOne,
filter(evaluationFilter(situationGate), node.explanation)
),
values = pluck('nodeValue', explanation),
nodeValue = any(equals(null), values)
? null
: reduce(reducer, start, values)
let collectMissing = node => chain(collectNodeMissing, node.explanation)
return rewriteNode(node, nodeValue, explanation, collectMissing)
}
export let parseObject = (recurse, objectShape, value) => {
let recurseOne = key => defaultValue => {
if (!value[key] && !defaultValue) throw "Il manque une valeur '" + key + "'"
return value[key] ? recurse(value[key]) : defaultValue
}
let transforms = fromPairs(map(k => [k, recurseOne(k)], keys(objectShape)))
return evolve(transforms, objectShape)
}
export let evaluateObject = (objectShape, effect) => (
cache,
situationGate,
parsedRules,
node
) => {
let evaluateOne = child =>
evaluateNode(cache, situationGate, parsedRules, child),
collectMissing = node => chain(collectNodeMissing, values(node.explanation))
let transforms = map(k => [k, evaluateOne], keys(objectShape)),
explanation = evolve(fromPairs(transforms))(node.explanation),
nodeValue = effect(explanation)
return rewriteNode(node, nodeValue, explanation, collectMissing)
}