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refactor: optimized python code and offload things to vue code

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This commit is contained in:
Matthias Jung
2026-08-04 23:15:17 +02:00
parent e54e711cef
commit e7e852054c
3 changed files with 216 additions and 191 deletions
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assets/exam-simulator.js
+110 -28
View File
@@ -7,22 +7,67 @@
var ANSWER_LABELS = ["A", "B", "C", "D"];
var PART_DEFINITIONS = {
B: { label: "Betriebliche Kenntnisse", formLabel: "Betriebliche Kenntnisse", minutes: 45 },
V: { label: "Kenntnisse von Vorschriften", formLabel: "Kenntnisse von Vorschriften", minutes: 45 },
N: { label: "Technische Kenntnisse Klasse N", formLabel: "Technische Kenntnisse Klasse N", minutes: 45 },
E: { label: "Technische Kenntnisse Klasse E", formLabel: "Technische Kenntnisse Klasse E", minutes: 45 },
A: { label: "Technische Kenntnisse Klasse A", formLabel: "Technische Kenntnisse Klasse A", minutes: 60 }
B: { label: "Betriebliche Kenntnisse", minutes: 45 },
V: { label: "Kenntnisse von Vorschriften", minutes: 45 },
N: { label: "Technische Kenntnisse Klasse N", minutes: 45 },
E: { label: "Technische Kenntnisse Klasse E", minutes: 45 },
A: { label: "Technische Kenntnisse Klasse A", minutes: 60 }
};
var EXAM_CHOICES = [
{ id: "N", group: "primary", shortLabel: "N", label: "Prüfung Klasse N", parts: ["B", "V", "N"], color: "#47ABE8" },
{ id: "E", group: "primary", shortLabel: "N + E", label: "Prüfung Klasse E", parts: ["B", "V", "N", "E"], color: "#FE756C" },
{ id: "A", group: "primary", shortLabel: "N + E + A", label: "Prüfung Klasse A", parts: ["B", "V", "N", "E", "A"], color: "#3BB583" },
{ id: "N-E", group: "upgrade", shortLabel: "N → E", label: "Aufstockung von N auf E", parts: ["E"], color: "#FE756C" },
{ id: "E-A", group: "upgrade", shortLabel: "E → A", label: "Aufstockung von E auf A", parts: ["A"], color: "#3BB583" },
{ id: "N-A", group: "upgrade", shortLabel: "N → A", label: "Aufstockung von N auf A", parts: ["E", "A"], color: "#3BB583" }
{ id: "N", group: "primary", label: "Klasse N", detail: "B + V + N", parts: ["B", "V", "N"], color: "#47ABE8" },
{ id: "E", group: "primary", label: "Klasse E", detail: "B + V + N + E", parts: ["B", "V", "N", "E"], color: "#FE756C" },
{ id: "A", group: "primary", label: "Klasse A", detail: "B + V + N + E + A", parts: ["B", "V", "N", "E", "A"], color: "#3BB583" },
{ id: "N-E", group: "upgrade", label: "N → E", detail: "Technik E", parts: ["E"], color: "#FE756C" },
{ id: "N-A", group: "upgrade", label: "N → A", detail: "Technik E + A", parts: ["E", "A"], color: "#3BB583" },
{ id: "E-A", group: "upgrade", label: "E → A", detail: "Technik A", parts: ["A"], color: "#3BB583" }
];
function normalizeCatalog(rawCatalog, metadata, questionIndex) {
var questions = {};
var partForSection = { 1: "B", 2: "V" };
var partForClass = { "1": "N", "2": "E", "3": "A" };
function pictureId(value) {
return value ? String(value) : "";
}
function walk(section, sectionIndex, category) {
(section.questions || []).forEach(function (question) {
var part = sectionIndex === 0
? partForClass[String(question.class)]
: partForSection[sectionIndex];
if (!part) return;
var questionMetadata = metadata[question.number] || {};
questions[question.number] = {
id: question.number,
part: part,
category: category.slice(),
question: question.question,
layout: questionMetadata.layout || "default",
picture: pictureId(questionMetadata.picture_question),
answers: ["a", "b", "c", "d"].map(function (letter) {
return {
text: question["answer_" + letter] || "",
picture: pictureId(questionMetadata["picture_" + letter])
};
}),
hasSolution: Boolean(questionIndex[question.number] && questionIndex[question.number].has_solution)
};
});
(section.sections || []).forEach(function (child, childIndex) {
walk(child, sectionIndex, category.concat(childIndex));
});
}
(rawCatalog.sections || []).forEach(function (section, sectionIndex) {
walk(section, sectionIndex, []);
});
return questions;
}
function shuffled(values) {
var result = values.slice();
for (var i = result.length - 1; i > 0; i -= 1) {
@@ -120,6 +165,8 @@
var loading = ref(true);
var loadError = ref("");
var catalog = ref({});
var altTexts = Vue.reactive({});
var requestedAltTexts = new Set();
var session = ref(null);
var view = ref("exam");
var reviewPartIndex = ref(null);
@@ -199,14 +246,38 @@
return catalog.value[questionState.id];
}
function partSummary(parts) {
return parts.join(" + ");
}
function padNumber(number) {
return String(number).padStart(2, "0");
}
function pictureAlt(picture, fallback) {
return altTexts[picture] || fallback;
}
function loadAltText(picture) {
if (!picture || requestedAltTexts.has(picture)) return;
requestedAltTexts.add(picture);
fetch("pictures/" + encodeURIComponent(picture) + ".txt")
.then(function (response) {
if (!response.ok) return "";
return response.text();
})
.then(function (description) {
if (description && description.trim()) altTexts[picture] = description.trim();
})
.catch(function () { /* the generic alternative text remains available */ });
}
function loadPartAltTexts(part) {
if (!part) return;
part.questions.forEach(function (questionState) {
var question = questionData(questionState);
if (!question) return;
loadAltText(question.picture);
question.answers.forEach(function (answer) { loadAltText(answer.picture); });
});
}
function createPart(code) {
var picked = balancedSample(Object.values(catalog.value).filter(function (question) {
return question.part === code;
@@ -351,8 +422,7 @@
try { window.localStorage.removeItem(STORAGE_KEY); } catch (error) { /* storage can be unavailable */ }
}
function abortExam() {
if (!window.confirm("Möchtest du diese Simulation abbrechen? Der gespeicherte Prüfungsstand wird gelöscht.")) return;
function resetExam() {
clearStoredSession();
session.value = null;
view.value = "exam";
@@ -360,12 +430,13 @@
window.scrollTo({ top: 0, behavior: "smooth" });
}
function abortExam() {
if (!window.confirm("Möchtest du diese Simulation abbrechen? Der gespeicherte Prüfungsstand wird gelöscht.")) return;
resetExam();
}
function newExam() {
clearStoredSession();
session.value = null;
view.value = "exam";
reviewPartIndex.value = null;
window.scrollTo({ top: 0, behavior: "smooth" });
resetExam();
}
function scrollToQuestion(index) {
@@ -445,18 +516,29 @@
} catch (error) { /* simulator remains usable without persistence */ }
}, { deep: true });
watch(currentPart, function (part) {
loadPartAltTexts(part);
});
watch(remainingSeconds, function (seconds) {
if (session.value && currentPart.value && currentPart.value.status === "running" && seconds <= 0) submitPart(true);
});
function loadCatalog() {
fetch("assets/exam-questions.json")
.then(function (response) {
if (!response.ok) throw new Error("Fragenkatalog nicht gefunden (HTTP " + response.status + ").");
return response.json();
Promise.all([
fetch("assets/fragenkatalog.json"),
fetch("assets/metadata.json"),
fetch("assets/question_index.json")
])
.then(function (responses) {
var names = ["Fragenkatalog", "Metadaten", "Fragenindex"];
responses.forEach(function (response, index) {
if (!response.ok) throw new Error(names[index] + " nicht gefunden (HTTP " + response.status + ").");
});
return Promise.all(responses.map(function (response) { return response.json(); }));
})
.then(function (data) {
catalog.value = data.questions || {};
catalog.value = normalizeCatalog(data[0], data[1] || {}, data[2] || {});
if (Object.keys(catalog.value).length === 0) throw new Error("Der Fragenkatalog ist leer.");
restoreSession();
loading.value = false;
@@ -520,8 +602,8 @@
overallIcon: overallIcon,
overallTitle: overallTitle,
overallText: overallText,
partSummary: partSummary,
padNumber: padNumber,
pictureAlt: pictureAlt,
questionData: questionData,
startExam: startExam,
selectAnswer: selectAnswer,