better post creation process

services/gunDB/contact-api/actions.js

@@ -1259,33 +1259,46 @@ const createPost = async (tags, title, content) => {
     throw new Error(`A post must contain at least one paragraph/image/video`)
   }
 
-  const user = require('../Mediator').getUser()
-  const wall = user.get(Key.WALL)
-  const pages = wall.get(Key.PAGES)
-
   const numOfPages = await (async () => {
-    const maybeNumOfPages = await Utils.tryAndWait(() =>
+    const maybeNumOfPages = await Utils.tryAndWait(
-      wall.get(Key.NUM_OF_PAGES).then()
+      (_, user) => user.get(Key.NUM_OF_PAGES).then(),
+      v => typeof v !== 'number'
     )
 
-    return (typeof maybeNumOfPages === 'number' && maybeNumOfPages) || 0
+    return typeof maybeNumOfPages === 'number' ? maybeNumOfPages : 0
   })()
 
-  const pageIdx = Math.max(0, numOfPages - 1).toString()
+  let pageIdx = Math.max(0, numOfPages - 1).toString()
-  let page = pages.get(pageIdx)
 
-  const count = (await page.get(Key.COUNT).then()) || 0
+  const count =
+    numOfPages === 0
+      ? 0
+      : /** @type {number} */ (await Utils.tryAndWait(
+          (_, user) =>
+            user
+              .get(Key.WALL)
+              .get(Key.PAGES)
+              .get(pageIdx)
+              .get(Key.COUNT)
+              .then(),
+          v => typeof v !== 'number'
+        ))
 
-  let isNewPage = false
+  const shouldBeNewPage =
-  if (count >= Common.Constants.Misc.NUM_OF_POSTS_PER_WALL_PAGE) {
+    count >= Common.Constants.Misc.NUM_OF_POSTS_PER_WALL_PAGE
-    // eslint-disable-next-line require-atomic-updates
+
-    page = wall.get(Key.PAGES)
+  if (shouldBeNewPage) {
-    isNewPage = true
+    pageIdx = Number(pageIdx + 1).toString()
   }
 
   /** @type {string} */
   const postID = await new Promise((res, rej) => {
-    const _n = page.set(
+    const _n = require('../Mediator')
+      .getUser()
+      .get(Key.WALL)
+      .get(Key.PAGES)
+      .get(pageIdx)
+      .set(
         {
           date: Date.now(),
           status: 'publish',
@@ -1302,13 +1315,31 @@ const createPost = async (tags, title, content) => {
       )
   })
 
-  if (isNewPage) {
+  if (shouldBeNewPage) {
-    await Utils.promisifyGunNode(wall.get(Key.NUM_OF_PAGES)).put(numOfPages + 1)
+    await new Promise(res => {
+      require('../Mediator')
+        .getUser()
+        .get(Key.WALL)
+        .get(Key.NUM_OF_PAGES)
+        .put(numOfPages + 1, ack => {
+          if (ack.err) {
+            throw new Error(ack.err)
           }
 
-  const post = page.get(postID)
+          res()
-  const contentItems = post.get(Key.CONTENT_ITEMS)
+        })
+    })
+  }
 
+  const contentItems = require('../Mediator')
+    .getUser()
+    .get(Key.WALL)
+    .get(Key.PAGES)
+    .get(pageIdx)
+    .get(postID)
+    .get(Key.CONTENT_ITEMS)
+
+  try {
     await Promise.all(
       content.map(
         ci =>
@@ -1324,9 +1355,34 @@ const createPost = async (tags, title, content) => {
           })
       )
     )
+  } catch (e) {
+    await new Promise(res => {
+      require('../Mediator')
+        .getUser()
+        .get(Key.WALL)
+        .get(Key.PAGES)
+        .get(pageIdx)
+        .get(postID)
+        .put(null, ack => {
+          if (ack.err) {
+            throw new Error(ack.err)
+          }
+
+          res()
+        })
+    })
+
+    throw e
+  }
 
   const loadedPost = await new Promise(res => {
-    post.load(data => {
+    require('../Mediator')
+      .getUser()
+      .get(Key.WALL)
+      .get(Key.PAGES)
+      .get(pageIdx)
+      .get(postID)
+      .load(data => {
         res(data)
       })
   })

services/gunDB/contact-api/getters/wall.js

@@ -51,6 +51,17 @@ const getWallPage = async page => {
   )
 
   if (Common.Schema.isWallPage(thePage)) {
+    const clean = {
+      ...thePage
+    }
+
+    // delete unsuccessful writes
+    Object.keys(clean.posts).forEach(k => {
+      if (clean.posts[k] === null) {
+        delete clean.posts[k]
+      }
+    })
+
     return thePage
   }