Mucho mucho update

static/db.js

@@ -10,17 +10,40 @@ const followingStoreName = "following";
 let keyBase = "dandelion_posts_v1_";
 let key = "";
 let version = 1;
-function upgrade_0to1(db) {
+async function upgrade_0to1(db) {
     let postsStore = db.createObjectStore(postStoreName, { keyPath: "id", autoIncrement: true });
     postsStore.createIndex("datetimeIndex", "post_timestamp", { unique: false });
     postsStore.createIndex("postIDIndex", "data.post_id", { unique: true });
 }
-function upgrade_1to2(db) {
+async function upgrade_1to2(db) {
+    console.log("Upgrading database from 1 to 2");
+    console.log("Converting all image arraybuffers to Blobs");
+    // TODO convert all images from arraybuffers to blobs
+    let knownUsers = [...(await indexedDB.databases())].map((db) => db.name?.replace('user_', ''));
+    if (knownUsers.length === 0) {
+        return;
+    }
+    for (const userID of knownUsers) {
+        console.log(`Converting images for user ${userID}`);
+        let posts = await getAllData(userID);
+        for (const post of posts) {
+            let image_data = post.data.image_data;
+            if (image_data) {
+                let blob = new Blob([image_data]);
+                post.data.image_data = blob;
+                // TODO get the format of a new post right
+                addData(userID, post);
+            }
+        }
+    }
+}
+async function upgrade_2to3(db) {
     let followingStore = db.createObjectStore(followingStoreName, { keyPath: "id", autoIncrement: true });
 }
 let upgrades = new Map([
     [0, upgrade_0to1],
-    [1, upgrade_1to2]
+    [1, upgrade_1to2],
+    [2, upgrade_2to3]
 ]);
 export function openDatabase(userID) {
     const dbName = `user_${userID}`;
@@ -30,13 +53,14 @@ export function openDatabase(userID) {
             const errorEvent = event;
             reject(`Database error: ${errorEvent.target.error?.message}`);
         };
-        request.onupgradeneeded = (event) => {
+        request.onupgradeneeded = async (event) => {
             const db = event.target.result;
             let upgradeFunction = upgrades.get(event.oldVersion);
             if (!upgradeFunction) {
                 throw new Error(`db: Don't have an upgrade function to go from version ${event.oldVersion} to version ${event.newVersion}`);
             }
-            upgradeFunction(db);
+            debugger;
+            await upgradeFunction(db);
         };
         request.onsuccess = (event) => {
             const db = event.target.result;