Patch to not refetch the threads #389

Author: Thomas101

src/scenes/mailboxes/src/stores/google/googleActions.js

@@ -330,14 +330,11 @@ class GoogleActions {
                 return acc
               }, {})
 
-              const allThreads = threads.map((thread) => {
-                return changedIndexed[thread.id] ? changedIndexed[thread.id] : thread
-              })
-              mailboxActions.setGoogleLatestUnreadThreads(mailboxId, allThreads)
-              return allThreads
+              mailboxActions.setGoogleLatestUnreadThreads(mailboxId, threads, changedIndexed)
+              return { threads: threads, changedIndex: changedIndexed }
             } else {
-              mailboxActions.setGoogleLatestUnreadThreads(mailboxId, threads)
-              return threads
+              mailboxActions.setGoogleLatestUnreadThreads(mailboxId, threads, {})
+              return { threads: threads, changedIndex: {} }
             }
           })
       })

src/scenes/mailboxes/src/stores/mailbox/mailboxActions.js

@@ -175,10 +175,11 @@ class MailboxActions {
   /**
   * Sets the latest unread thread list
   * @param id: the id of the mailbox
-  * @param threads: the threads to set
+  * @param threadList: the list of threads as an array
+  * @param fetchedThreads: the full threads that have been fetched sent as an object keyed by id
   */
-  setGoogleLatestUnreadThreads (id, threads) {
-    return this.update(id, 'googleUnreadMessageInfo_v2.latestUnreadThreads', threads)
+  setGoogleLatestUnreadThreads (id, threadList, fetchedThreads) {
+    return { id: id, threadList: threadList, fetchedThreads: fetchedThreads }
   }
 
   /**

src/scenes/mailboxes/src/stores/mailbox/mailboxStore.js

@@ -142,6 +142,7 @@ class MailboxStore {
 
       // Google
       handleUpdateGoogleConfig: actions.UPDATE_GOOGLE_CONFIG,
+      handleSetGoogleLatestUnreadThreads: actions.SET_GOOGLE_LATEST_UNREAD_THREADS,
 
       // Active & Ordering
       handleChangeActive: actions.CHANGE_ACTIVE,
@@ -325,6 +326,37 @@ class MailboxStore {
     this.mailboxes.set(id, new Mailbox(id, data))
   }
 
+  /**
+  * Updates the google unread threads
+  * @param id: the id of the mailbox
+  * @param threadList: the complete thread list as an array
+  * @param fetchedThreads: the threads that were fetched in an object by id
+  */
+  handleSetGoogleLatestUnreadThreads ({ id, threadList, fetchedThreads }) {
+    const prevThreads = this.mailboxes.get(id).google.latestUnreadThreads.reduce((acc, thread) => {
+      acc[thread.id] = thread
+      return acc
+    }, {})
+
+    // Merge changes
+    const nextThreads = threadList.map((threadHead) => {
+      if (fetchedThreads[threadHead.id]) {
+        return fetchedThreads[threadHead.id]
+      } else if (prevThreads[threadHead.id]) {
+        return prevThreads[threadHead.id]
+      } else {
+        return undefined
+      }
+    }).filter((thread) => !!thread)
+
+    // Write it
+    const data = this.mailboxes.get(id).cloneData()
+    data.googleUnreadMessageInfo_v2 = data.googleUnreadMessageInfo_v2 || {}
+    data.googleUnreadMessageInfo_v2.latestUnreadThreads = nextThreads
+    persistence.mailbox.setJSONItem(id, data)
+    this.mailboxes.set(id, new Mailbox(id, data))
+  }
+
   /* **************************************************************************/
   // Handlers : Active & Ordering
   /* **************************************************************************/