Quiz_dashboard/src/utils/setLocalStorageQuestions.ts
2024-09-09 13:46:31 +03:00

96 lines
3.1 KiB
TypeScript

import { convertFileToBase64 } from "./LocalStorage";
import { base64StringToFile } from "./base64StringToFile";
export const setLocalStorageQuestions = async (key: string, data: any) => {
try {
// Convert the main image if it is a File
if (data.image instanceof File) {
data.image = await convertFileToBase64(data.image);
}
// Check for answers array and convert answer_image if it's a File
if (Array.isArray(data.answers)) {
for (const option of data.answers) {
if (option.answer_image instanceof File) {
option.answer_image = await convertFileToBase64(option.answer_image);
}
}
}
// Check for Questions array and convert image if it's a File
if (Array.isArray(data.answers)) {
for (const question of data.answers) {
if (question.image instanceof File) {
question.image = await convertFileToBase64(question.image);
}
// Check for nested answers and convert answer_image if it's a File
if (Array.isArray(question.answers)) {
for (const option of question.answers) {
if (option.answer_image instanceof File) {
option.answer_image = await convertFileToBase64(
option.answer_image,
);
}
}
}
}
}
const jsonData = JSON.stringify(data);
localStorage.setItem(key, jsonData);
} catch (error) {
console.error("Error stringifying data for localStorage", error);
}
};
export const getLocalStorageQuestions = (key: string): any | null => {
try {
const jsonData = localStorage.getItem(key);
if (!jsonData) return null;
const data = JSON.parse(jsonData);
// Convert back the main image if it's a base64 string
if (typeof data.image === "string" && data.image.length > 0) {
data.image = base64StringToFile(data.image);
}
// Check for answers array and convert answer_image if it's a base64 string
if (Array.isArray(data.answers)) {
for (const option of data.answers) {
if (
typeof option.answer_image === "string" &&
option.answer_image.length > 0
) {
option.answer_image = base64StringToFile(option.answer_image);
}
}
}
// Check for Questions array and convert image if it's a base64 string
if (Array.isArray(data.answers)) {
for (const question of data.answers) {
if (typeof question.image === "string" && question.image.length > 0) {
question.image = base64StringToFile(question.image);
}
// Check for nested answers and convert answer_image if it's a base64 string
if (Array.isArray(question.answers)) {
for (const option of question.answers) {
if (
typeof option.answer_image === "string" &&
option.answer_image.length > 0
) {
option.answer_image = base64StringToFile(option.answer_image);
}
}
}
}
}
return data;
} catch (error) {
console.error("Error parsing data from localStorage", error);
return null;
}
};