rattings_histo.js

async function retrieveDB(){
    return new Promise(resolve => {
        const request = window.indexedDB.open("firebaseLocalStorageDb", 1);
        
        request.onerror = function(event) {
         console.log("Erreur lors de l'ouverture de la base de données.");
        };
        
        request.onsuccess = function(event) {
         resolve(event.target.result);
        };
    })
}


async function retrieveAuthToken(){
    return new Promise(async resolve => {
        const db = await retrieveDB();
        const transaction = db.transaction(["firebaseLocalStorage"]);
        const objectStore = transaction.objectStore("firebaseLocalStorage");
        const request = objectStore.openCursor()
        
        request.onerror = function(event) {
         console.log("Erreur lors de la récupération du token.");
        };
        
        request.onsuccess = function(event) {
          const accessToken = event.target.result.value.value.stsTokenManager.accessToken
          resolve(accessToken);
        };
    })
}

const token = await retrieveAuthToken();

fetch('/api/account', { headers: { authorization: "Bearer " + token}})
  .then(response => response.json())
  .then(account => account.id)
  .then(accountId => fetch('/api/leader-board/reviewers/' + accountId +'?page=0&size=1500', { headers: { authorization: "Bearer " + token}}))
  .then(response => response.json())
  .then(rattings => rattings.map(ratting => ratting.value))
  .then(rattings => rattings.reduce((acc, value) => ({...acc, [value]: (acc[value] || 0)+1})))
  .then(groups => console.log(groups))