From 896bf43da303fb55cfdf2e324972b16329db0a5f Mon Sep 17 00:00:00 2001
From: Laurent Bossavit <laurent.git@bossavit.com>
Date: Mon, 26 Feb 2018 14:34:45 +0100
Subject: [PATCH] =?UTF-8?q?:gear:=20M=C3=A9canisme=20d'affichage=20des=20t?=
 =?UTF-8?q?raductions=20et=20son=20test?=
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---
 source/reducers.js    | 35 ++++++++++++++++++++++++++++++-----
 test/reducers.test.js | 30 +++++++++++++++++++++++++++++-
 2 files changed, 59 insertions(+), 6 deletions(-)

diff --git a/source/reducers.js b/source/reducers.js
index f9032f32c..75746c9d2 100644
--- a/source/reducers.js
+++ b/source/reducers.js
@@ -6,7 +6,10 @@ import {
 	contains,
 	without,
 	concat,
-	length
+	length,
+	reduce,
+	assoc,
+	map
 } from 'ramda'
 import { combineReducers } from 'redux'
 import reduceReducers from 'reduce-reducers'
@@ -14,6 +17,7 @@ import { reducer as formReducer, formValueSelector } from 'redux-form'
 
 import {
 	rules,
+	enrichRule,
 	findRuleByName,
 	collectDefaults,
 	formatInputs
@@ -31,6 +35,8 @@ import { analyseMany, parseAll } from 'Engine/traverse'
 
 import ReactPiwik from 'Components/Tracker'
 
+import translations from 'Règles/externalized.yaml'
+
 // assume "wraps" a given situation function with one that overrides its values with
 // the given assumptions
 export let assume = (evaluator, assumptions) => state => name => {
@@ -52,12 +58,31 @@ let nextWithoutDefaults = (
 	return { currentQuestion: head(nextSteps), nextSteps }
 }
 
+export let translateAll = (translations, flatRules) => {
+	let translationsOf = rule => translations[enrichRule(rule).dottedName],
+		translateProp = (lang, translation) => (rule, prop) => {
+			let propTrans = translation[prop + '.' + lang]
+			return propTrans ? assoc(prop, propTrans, rule) : rule
+		},
+		translateRule = (lang, translations, props) => rule => {
+			let ruleTrans = translationsOf(rule)
+			return ruleTrans
+				? reduce(translateProp(lang, ruleTrans), rule, props)
+				: rule
+		}
+
+	let targets = ['titre', 'description', 'question', 'sous-question']
+
+	return map(translateRule('en', translations, targets), flatRules)
+}
+
 export let reduceSteps = (tracker, flatRules, answerSource) => (
 	state,
 	action
 ) => {
 	// Optimization - don't parse on each analysis
-	if (!state.parsedRules) state.parsedRules = parseAll(flatRules)
+	if (!state.parsedRules)
+		state.parsedRules = parseAll(translateAll(translations, flatRules))
 
 	if (
 		![START_CONVERSATION, STEP_ACTION, 'USER_INPUT_UPDATE'].includes(
@@ -102,12 +127,12 @@ export let reduceSteps = (tracker, flatRules, answerSource) => (
 		done,
 		...(done && assumptionsMade
 			? // The simulation is "over" - except we can now fill in extra questions
-				// where the answers were previously given default reasonable assumptions
-				nextWithoutDefaults(state, analysis, targetNames, intermediateSituation)
+			  // where the answers were previously given default reasonable assumptions
+			  nextWithoutDefaults(state, analysis, targetNames, intermediateSituation)
 			: {
 					currentQuestion: head(nextWithDefaults),
 					nextSteps: nextWithDefaults
-				})
+			  })
 	}
 
 	if (action.type == START_CONVERSATION) {
diff --git a/test/reducers.test.js b/test/reducers.test.js
index 921a93a22..1364f5c4c 100644
--- a/test/reducers.test.js
+++ b/test/reducers.test.js
@@ -7,7 +7,7 @@ import {
 	getObjectives
 } from '../source/engine/generateQuestions'
 
-import { reduceSteps } from '../source/reducers'
+import { reduceSteps, translateAll } from '../source/reducers'
 import yaml from 'js-yaml'
 import dedent from 'dedent-js'
 
@@ -140,3 +140,31 @@ describe('fold', function() {
 		expect(step2.currentQuestion).to.equal('cadre')
 	})
 })
+
+describe('translateAll', function() {
+	it('should translate flat rules', function() {
+		let rules = [{
+			"espace":"foo",
+			"nom":"bar",
+			"titre":"Titre",
+			"description":"Description",
+			"question":"Question",
+			"sous-question":"Sous Question",
+		}]
+		let translations = {
+			"foo . bar":{
+				"titre.en":"TITRE",
+				"description.en":"DESC",
+				"question.en":"QUEST",
+				"sous-question.en":"SOUSQ",
+			}
+		}
+
+		let result = translateAll(translations, rules)
+
+		expect(result[0]).to.have.property("titre","TITRE")
+		expect(result[0]).to.have.property("description","DESC")
+		expect(result[0]).to.have.property("question","QUEST")
+		expect(result[0]).to.have.property("sous-question","SOUSQ")
+	})
+})