Merge branch 'fix/fetch-activities-by-last-id' into 'develop'

#406 Fetch activities by last id

See merge request pleroma/pleroma-fe!621

src/modules/statuses.js

@@ -10,6 +10,7 @@ const emptyTl = (userId = 0) => ({
   visibleStatusesObject: {},
   newStatusCount: 0,
   maxId: 0,
+  minId: 0,
   minVisibleId: 0,
   loading: false,
   followers: [],
@@ -117,11 +118,16 @@ const addNewStatuses = (state, { statuses, showImmediately = false, timeline, us
   const timelineObject = state.timelines[timeline]
 
   const maxNew = statuses.length > 0 ? maxBy(statuses, 'id').id : 0
-  const older = timeline && maxNew < timelineObject.maxId
+  const minNew = statuses.length > 0 ? minBy(statuses, 'id').id : 0
+  const newer = timeline && maxNew > timelineObject.maxId && statuses.length > 0
+  const older = timeline && (minNew < timelineObject.minId || timelineObject.minId === 0) && statuses.length > 0
 
-  if (timeline && !noIdUpdate && statuses.length > 0 && !older) {
+  if (!noIdUpdate && newer) {
     timelineObject.maxId = maxNew
   }
+  if (!noIdUpdate && older) {
+    timelineObject.minId = minNew
+  }
 
   // This makes sure that user timeline won't get data meant for other
   // user. I.e. opening different user profiles makes request which could
@@ -255,12 +261,9 @@ const addNewStatuses = (state, { statuses, showImmediately = false, timeline, us
     processor(status)
   })
 
-    // Keep the visible statuses sorted
+  // Keep the visible statuses sorted
   if (timeline) {
     sortTimeline(timelineObject)
-    if ((older || timelineObject.minVisibleId <= 0) && statuses.length > 0) {
-      timelineObject.minVisibleId = minBy(statuses, 'id').id
-    }
   }
 }
 

src/services/timeline_fetcher/timeline_fetcher.service.js

@@ -21,7 +21,7 @@ const fetchAndUpdate = ({store, credentials, timeline = 'friends', older = false
   const timelineData = rootState.statuses.timelines[camelCase(timeline)]
 
   if (older) {
-    args['until'] = until || timelineData.minVisibleId
+    args['until'] = until || timelineData.minId
   } else {
     args['since'] = timelineData.maxId
   }