Merge pull request #6 from jcsalterego/pinned-posts

Pinned Posts

Author: jcsalterego

CONFIG.md

@@ -19,8 +19,13 @@ Cute animals feed
 
 # searchTerms
 
-> Maximum of five search terms. Test these in [https://bsky.app/search](https://bsky.app/search). `AND` is implicit, so `cat dog` on one line will require both `cat` and `dog`. You can use quotes as well `"hot dog"`.
+> Search Terms are now more powerful. There are two types:
+>
+> - Pinned posts: links such as `https://bsky.app/profile/saddymayo.bsky.social/post/3jxju2wwap22e` will pin at the top of the feed. One link per line, please.
+> - Keywords (maximum 5 terms): Test these in [https://bsky.app/search](https://bsky.app/search). `AND` is implicit, so `cat dog` on one line will require both `cat` and `dog`. You can use quotes as well `"hot dog"`.
+>
 
+- https://bsky.app/profile/saddymayo.bsky.social/post/3jxju2wwap22e
 - cats
 - dogs
 - penguins

cloudflare-worker/worker.js

@@ -35,13 +35,34 @@ function jsonResponse(obj) {
   return response;
 }
 
+function bucketTerms(allTerms, opts={}) {
+  let maxSearchTerms = opts["maxSearchTerms"] || MAX_SEARCH_TERMS;
+  let pinnedPosts = [];
+  let searchTerms = [];
+
+  for (let term of allTerms) {
+    if (term.startsWith("at://")) {
+      pinnedPosts.push(term);
+    } else {
+      searchTerms.push(term);
+    }
+  }
+
+  return {
+    pinnedPosts: pinnedPosts,
+    searchTerms: searchTerms.slice(0, maxSearchTerms),
+  }
+}
+
 async function getFeedSkeleton(request) {
-  let url = new URL(request.url);
-  let feedAtUrl = url.searchParams.get("feed");
+  const url = new URL(request.url);
+  const feedAtUrl = url.searchParams.get("feed");
   if (feedAtUrl === null) {
     console.warn(`feed parameter missing from query string`);
     return feedJsonResponse([]);
   }
+  const cursorParam = url.searchParams.get("cursor");
+  const showPins = cursorParam === null;
   let words = feedAtUrl.split("/");
   let feedId = words[words.length - 1];
   let config = CONFIGS[feedId];
@@ -56,7 +77,14 @@ async function getFeedSkeleton(request) {
     limit = DEFAULT_LIMIT;
   }
 
-  let searchTerms = config.searchTerms.slice(0, MAX_SEARCH_TERMS);
+  let allTerms = bucketTerms(config.searchTerms, {
+    maxSearchTerms: MAX_SEARCH_TERMS,
+  });
+  let searchTerms = allTerms.searchTerms;
+  let pinnedPosts = allTerms.pinnedPosts;
+  if (!showPins) {
+    pinnedPosts = [];
+  }
   let responsePromises = [];
 
   for (let searchTerm of searchTerms) {
@@ -88,6 +116,9 @@ async function getFeedSkeleton(request) {
     a === b ? 0 : a < b ? -1 : 1
   );
   var feed = [];
+  for (let pinnedPost of pinnedPosts) {
+    feed.push({ post: pinnedPost });
+  }
   for (let timestampUrl of timestampURLs) {
     let atUrl = timestampUrl[1];
     feed.push({ post: atUrl });
@@ -124,6 +155,7 @@ const CONFIGS = {
     "description": "Cute animals feed",
     "searchTerms": [
       "cats",
+      "at://did:plc:ozppa2bsq6bdnajyweoir2i2/app.bsky.feed.post/3jxju2wwap22e",
       "dogs",
       "penguins",
       "red pandas",

configs/BASKETBALL_EMOJIS.md

@@ -25,7 +25,10 @@ Posts with 🏀
 
 # searchTerms
 
-> Maximum of five search terms. Test these in [https://bsky.app/search](https://bsky.app/search). `AND` is implicit, so `cat dog` on one line will require both `cat` and `dog`. You can use quotes as well `"hot dog"`.
+> Search Terms are now more powerful. There are two types:
+>
+> - Pinned posts: links such as `https://bsky.app/profile/saddymayo.bsky.social/post/3jxju2wwap22e` will pin at the top of the feed. One link per line, please.
+> - Keywords (maximum 5 terms): Test these in [https://bsky.app/search](https://bsky.app/search). `AND` is implicit, so `cat dog` on one line will require both `cat` and `dog`. You can use quotes as well `"hot dog"`.
 
 - 🏀
 

configs/GAMING_EMOJIS.md

@@ -25,7 +25,10 @@ Posts with 👾🎮🕹️
 
 # searchTerms
 
-> Maximum of five search terms. Test these in [https://bsky.app/search](https://bsky.app/search). `AND` is implicit, so `cat dog` on one line will require both `cat` and `dog`. You can use quotes as well `"hot dog"`.
+> Search Terms are now more powerful. There are two types:
+>
+> - Pinned posts: links such as `https://bsky.app/profile/saddymayo.bsky.social/post/3jxju2wwap22e` will pin at the top of the feed. One link per line, please.
+> - Keywords (maximum 5 terms): Test these in [https://bsky.app/search](https://bsky.app/search). `AND` is implicit, so `cat dog` on one line will require both `cat` and `dog`. You can use quotes as well `"hot dog"`.
 
 - 👾
 - 🎮

configs/SCIENCE_EMOJIS.md

@@ -25,7 +25,10 @@ Posts with 🧪🥼🔭
 
 # searchTerms
 
-> Maximum of five search terms. Test these in [https://bsky.app/search](https://bsky.app/search). `AND` is implicit, so `cat dog` on one line will require both `cat` and `dog`. You can use quotes as well `"hot dog"`.
+> Search Terms are now more powerful. There are two types:
+>
+> - Pinned posts: links such as `https://bsky.app/profile/saddymayo.bsky.social/post/3jxju2wwap22e` will pin at the top of the feed. One link per line, please.
+> - Keywords (maximum 5 terms): Test these in [https://bsky.app/search](https://bsky.app/search). `AND` is implicit, so `cat dog` on one line will require both `cat` and `dog`. You can use quotes as well `"hot dog"`.
 
 - 🧪
 - 🥼

feed-generator/configs.json

@@ -5,6 +5,7 @@
     "description": "Cute animals feed",
     "searchTerms": [
       "cats",
+      "at://did:plc:ozppa2bsq6bdnajyweoir2i2/app.bsky.feed.post/3jxju2wwap22e",
       "dogs",
       "penguins",
       "red pandas",

render-configs.py

@@ -3,8 +3,59 @@
 import json
 import os
 import re
+import sys
+
+import requests
 
 WORKER_SENTINEL = "\n\n// CONFIGS\n\n"
+LIST_ITEM_REGEX = re.compile(r"^- ")
+POST_REGEX = re.compile(r"^.*[\./]bsky\.app/profile/(.+?)/post/([a-z0-9]+)")
+
+
+def resolve_handles(handles):
+    dids = {}
+    for handle in handles:
+        url = f"https://bsky.social/xrpc/com.atproto.identity.resolveHandle?handle={handle}"
+        response = requests.get(url)
+        if response.status_code == 200:
+            did = response.json()["did"]
+            dids[handle] = did
+    return dids
+
+
+def render_search_terms(search_terms):
+    handles = set()
+    rendered_terms = []
+
+    # strip out list item markers
+    terms = [re.compile(LIST_ITEM_REGEX).sub("", term) for term in search_terms]
+
+    # collect handles and pins
+    for term in terms:
+        post_matches = POST_REGEX.match(term)
+        if post_matches:
+            handle = post_matches.group(1)
+            handles.add(handle)
+
+    # resolve handles
+    dids = resolve_handles(handles)
+
+    # replace handles with DIDs
+    for term in terms:
+        post_matches = POST_REGEX.match(term)
+        if post_matches:
+            handle = post_matches.group(1)
+            rkey = post_matches.group(2)
+            did = dids[handle]
+            if did:
+                at_url = f"at://{did}/app.bsky.feed.post/{rkey}"
+                rendered_terms.append(at_url)
+            else:
+                print(f"WARN: Failed to resolve handle {handle}", file=sys.stderr)
+        else:
+            rendered_terms.append(term)
+
+    return rendered_terms
 
 
 def parse_config(dirname, markdown_contents):
@@ -28,9 +79,7 @@ def parse_config(dirname, markdown_contents):
     for key in flat_keys:
         config[key] = " ".join(config[key])
     if "searchTerms" in config:
-        config["searchTerms"] = [
-            re.compile(r"^- ").sub("", term) for term in config["searchTerms"]
-        ]
+        config["searchTerms"] = render_search_terms(config["searchTerms"])
     if "avatar" in config:
         matches = re.compile("^.*\((.+)\)$").match(config["avatar"])
         if matches:
@@ -46,7 +95,7 @@ def parse_config(dirname, markdown_contents):
         config["displayName"] = display_name
 
     if "isEnabled" in config:
-        config["isEnabled"] = (config["isEnabled"].lower() == "true")
+        config["isEnabled"] = config["isEnabled"].lower() == "true"
     else:
         # for legacy support, if the section is missing, set to True
         config["isEnabled"] = True
@@ -91,4 +140,5 @@ def main():
     save_json_configs("feed-generator/configs.json", configs)
     replace_json_configs("cloudflare-worker/worker.js", configs)
 
+
 main()