Optimize timeline data structure

src/parser.nim

@@ -486,7 +486,7 @@ proc parseGraphTimeline*(js: JsonNode; root: string; after=""): Profile =
             result.tweets.content.add tweet
         elif "-conversation-" in entryId or entryId.startsWith("homeConversation"):
           let (thread, self) = parseGraphThread(e)
-          result.tweets.content.add thread
+          result.tweets.content.add thread.content
         elif entryId.startsWith("cursor-bottom"):
           result.tweets.bottom = e{"content", "value"}.getStr
     if after.len == 0 and i{"__typename"}.getStr == "TimelinePinEntry":

src/routes/timeline.nim

@@ -56,9 +56,7 @@ proc fetchProfile*(after: string; query: Query; skipRail=false;
     of posts: await getGraphUserTweets(userId, TimelineKind.tweets, after)
     of replies: await getGraphUserTweets(userId, TimelineKind.replies, after)
     of media: await getGraphUserTweets(userId, TimelineKind.media, after)
-    else: Profile(tweets: Timeline(beginning: true, content: @[Chain(content:
+    else: Profile(tweets: Timeline(beginning: true, content: @[@[Tweet(tombstone: "Tweet search is unavailable for now")]]))
-      @[Tweet(tombstone: "Tweet search is unavailable for now")]
-    )]))
     # else: await getGraphSearch(query, after)
 
   result.user = await user
@@ -74,9 +72,7 @@ proc showTimeline*(request: Request; query: Query; cfg: Config; prefs: Prefs;
   if query.fromUser.len != 1:
     let
       # timeline = await getGraphSearch(query, after)
-      timeline = Profile(tweets: Timeline(beginning: true, content: @[Chain(content:
+      timeline = Profile(tweets: Timeline(beginning: true, content: @[@[Tweet(tombstone: "This features is unavailable for now")]]))
-        @[Tweet(tombstone: "This features is unavailable for now")]
-      )]))
       html = renderTweetSearch(timeline.tweets, prefs, getPath())
     return renderMain(html, request, cfg, prefs, "Multi", rss=rss)
 

src/types.nim

@@ -205,6 +205,8 @@ type
     video*: Option[Video]
     photos*: seq[string]
 
+  Tweets* = seq[Tweet]
+
   Result*[T] = object
     content*: seq[T]
     top*, bottom*: string
@@ -212,7 +214,7 @@ type
     query*: Query
 
   Chain* = object
-    content*: seq[Tweet]
+    content*: Tweets
     hasMore*: bool
     cursor*: string
 
@@ -222,7 +224,7 @@ type
     after*: Chain
     replies*: Result[Chain]
 
-  Timeline* = Result[Chain]
+  Timeline* = Result[Tweets]
 
   Profile* = object
     user*: User
@@ -275,5 +277,5 @@ type
 proc contains*(thread: Chain; tweet: Tweet): bool =
   thread.content.anyIt(it.id == tweet.id)
 
-proc add*(timeline: var seq[Chain]; tweet: Tweet) =
+proc add*(timeline: var seq[Tweets]; tweet: Tweet) =
-  timeline.add Chain(content: @[tweet])
+  timeline.add @[tweet]

src/views/rss.nimf

@@ -56,16 +56,16 @@ Twitter feed for: ${desc}. Generated by ${cfg.hostname}
 #end if
 #end proc
 #
-#proc renderRssTweets(tweets: seq[Chain]; cfg: Config; userId=""): string =
+#proc renderRssTweets(tweets: seq[Tweets]; cfg: Config; userId=""): string =
 #let urlPrefix = getUrlPrefix(cfg)
 #var links: seq[string]
-#for c in tweets:
+#for thread in tweets:
-#  for t in c.content:
+#  for tweet in thread:
-#    if userId.len > 0 and t.user.id != userId: continue
+#    if userId.len > 0 and tweet.user.id != userId: continue
 #    end if
 #
-#    let retweet = if t.retweet.isSome: t.user.username else: ""
+#    let retweet = if tweet.retweet.isSome: tweet.user.username else: ""
-#    let tweet = if retweet.len > 0: t.retweet.get else: t
+#    let tweet = if retweet.len > 0: tweet.retweet.get else: tweet
 #    let link = getLink(tweet)
 #    if link in links: continue
 #    end if
@@ -113,7 +113,7 @@ ${renderRssTweets(profile.tweets.content, cfg, userId=profile.user.id)}
 </rss>
 #end proc
 #
-#proc renderListRss*(tweets: seq[Chain]; list: List; cfg: Config): string =
+#proc renderListRss*(tweets: seq[Tweets]; list: List; cfg: Config): string =
 #let link = &"{getUrlPrefix(cfg)}/i/lists/{list.id}"
 #result = ""
 <?xml version="1.0" encoding="UTF-8"?>
@@ -130,7 +130,7 @@ ${renderRssTweets(tweets, cfg)}
 </rss>
 #end proc
 #
-#proc renderSearchRss*(tweets: seq[Chain]; name, param: string; cfg: Config): string =
+#proc renderSearchRss*(tweets: seq[Tweets]; name, param: string; cfg: Config): string =
 #let link = &"{getUrlPrefix(cfg)}/search"
 #let escName = xmltree.escape(name)
 #result = ""

src/views/timeline.nim

@@ -39,7 +39,7 @@ proc renderNoneFound(): VNode =
     h2(class="timeline-none"):
       text "No items found"
 
-proc renderThread(thread: seq[Tweet]; prefs: Prefs; path: string): VNode =
+proc renderThread(thread: Tweets; prefs: Prefs; path: string): VNode =
   buildHtml(tdiv(class="thread-line")):
     let sortedThread = thread.sortedByIt(it.id)
     for i, tweet in sortedThread:
@@ -106,9 +106,9 @@ proc renderTimelineTweets*(results: Timeline; prefs: Prefs; path: string;
       var retweets: seq[int64]
 
       for thread in results.content:
-        if thread.content.len == 1:
+        if thread.len == 1:
           let
-            tweet = thread.content[0]
+            tweet = thread[0]
             retweetId = if tweet.retweet.isSome: get(tweet.retweet).id else: 0
 
           if retweetId in retweets or tweet.id in retweets or
@@ -121,7 +121,7 @@ proc renderTimelineTweets*(results: Timeline; prefs: Prefs; path: string;
             hasThread = get(tweet.retweet).hasThread
           renderTweet(tweet, prefs, path, showThread=hasThread)
         else:
-          renderThread(thread.content, prefs, path)
+          renderThread(thread, prefs, path)
 
       if results.bottom.len > 0:
         renderMore(results.query, results.bottom)