Only set last group fetch for server updates

ts/groups.ts

@@ -2783,6 +2783,7 @@ export async function respondToGroupV2Migration({
   let groupSendEndorsementResponse: Uint8Array | null | undefined;
 
   try {
+    const fetchedAt = Date.now();
     const response: GroupLogResponseType = await makeRequestWithCredentials({
       logId: `getGroupLog/${logId}`,
       publicParams,
@@ -2799,6 +2800,7 @@ export async function respondToGroupV2Migration({
           options
         ),
     });
+    setLastSuccessfulGroupFetch(conversation.id, fetchedAt);
 
     // Attempt to start with the first group state, only later processing future updates
     firstGroupState = response?.changes?.groupChanges?.[0]?.groupState;
@@ -2809,12 +2811,14 @@ export async function respondToGroupV2Migration({
         `respondToGroupV2Migration/${logId}: Failed to access log endpoint; fetching full group state`
       );
       try {
+        const fetchedAt = Date.now();
         const groupResponse = await makeRequestWithCredentials({
           logId: `getGroup/${logId}`,
           publicParams,
           secretParams,
           request: (sender, options) => sender.getGroup(options),
         });
+        setLastSuccessfulGroupFetch(conversation.id, fetchedAt);
 
         firstGroupState = groupResponse.group;
         groupSendEndorsementResponse =
@@ -3051,9 +3055,8 @@ export async function waitThenMaybeUpdateGroup(
     try {
       // And finally try to update the group
       await maybeUpdateGroup(options, { viaFirstStorageSync });
-
-      conversation.lastSuccessfulGroupFetch = Date.now();
     } catch (error) {
+      setLastSuccessfulGroupFetch(conversation.id, undefined);
       log.error(
         `${logId}: maybeUpdateGroup failure:`,
         Errors.toLogFormat(error)
@@ -3767,24 +3770,20 @@ async function updateGroupViaState({
   dropInitialJoinMessage?: boolean;
   group: ConversationAttributesType;
 }): Promise<UpdatesResultType> {
-  const logId = idForLogging(group.groupId);
-  const { publicParams, secretParams } = group;
+  const { id, publicParams, secretParams } = group;
+  const logId = `updateGroupViaState/${idForLogging(group.groupId)}`;
 
-  strictAssert(
-    secretParams,
-    'updateGroupViaState: group was missing secretParams!'
-  );
-  strictAssert(
-    publicParams,
-    'updateGroupViaState: group was missing publicParams!'
-  );
+  strictAssert(secretParams, `${logId}: Missing secretParams`);
+  strictAssert(publicParams, `${logId}: Missing publicParams`);
 
+  const fetchedAt = Date.now();
   const groupResponse = await makeRequestWithCredentials({
     logId: `getGroup/${logId}`,
     publicParams,
     secretParams,
     request: (sender, requestOptions) => sender.getGroup(requestOptions),
   });
+  setLastSuccessfulGroupFetch(id, fetchedAt);
 
   const { group: groupState, groupSendEndorsementResponse } = groupResponse;
   strictAssert(groupState, 'updateGroupViaState: Group state must be present');
@@ -3853,6 +3852,9 @@ async function updateGroupViaSingleChange({
   const previouslyKnewAboutThisGroup =
     isNumber(group.revision) && group.membersV2?.length;
   const wasInGroup = !group.left;
+
+  setLastSuccessfulGroupFetch(group.id, undefined);
+
   const singleChangeResult: UpdatesResultType = await integrateGroupChange({
     group,
     groupChange,
@@ -4005,6 +4007,7 @@ async function updateGroupViaLogs({
   let groupSendEndorsementResponse: Uint8Array | null = null;
   const changes: Array<Proto.IGroupChanges> = [];
   do {
+    const fetchedAt = Date.now();
     // eslint-disable-next-line no-await-in-loop
     response = await makeRequestWithCredentials({
       logId: `getGroupLog/${logId}`,
@@ -4024,6 +4027,7 @@ async function updateGroupViaLogs({
           requestOptions
         ),
     });
+    setLastSuccessfulGroupFetch(group.id, fetchedAt);
 
     // When the log is long enough that it needs to be paginated, the server is
     // not stateful enough to only give us endorsements when we need them.
@@ -7238,3 +7242,15 @@ export function getMembershipList(
     return { aci, uuidCiphertext };
   });
 }
+
+function setLastSuccessfulGroupFetch(
+  conversationId: string,
+  timestamp: number | undefined
+): void {
+  const conversation = window.ConversationController.get(conversationId);
+  strictAssert(
+    conversation,
+    `setLastSuccessfulGroupFetch/${idForLogging(conversationId)}: Conversation must exist`
+  );
+  conversation.lastSuccessfulGroupFetch = timestamp;
+}