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documentation: Added popular feed example
Signed-off-by: Nick Gerakines <12125+ngerakines@users.noreply.github.com>
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examples/popular/README.md
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examples/popular/README.md
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# Example: Popular
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This configuration file includes a feed that watches for posts with a tag. The feed is then sorted by a simple "popular" algorithm that takes into account the number of likes, replies, and quotes.
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## Instructions
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1. Create the feed and replace `ATURI` with the full record AT-URI. Should look like `at://YOUR_DID/app.bsky.feed.generator/some_rkey`
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2. Review the `popular.rhai` file to see how the algorithm works.
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examples/popular/config.yml
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examples/popular/config.yml
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examples/popular/popular.rhai
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examples/popular/popular.rhai
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let rtype = event?.commit?.record?["$type"];
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// If the event is for a like, use the AT-URI in the record subject to
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// increment the score of any existing feed_content records.
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if rtype == "app.bsky.feed.like" {
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return update_match(build_aturi(event));
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}
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// Ignore any record types that aren't posts.
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if rtype != "app.bsky.feed.post" {
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return false;
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}
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// Reject posts where the created at is more than 8 days ago.
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// See https://docs.rs/duration-str/latest/duration_str/
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if matcher_before_duration("-8d", event?.commit?.record?.createdAt ?? "") {
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return false;
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}
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// This feed only includes posts that are not replies themselves, but does
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// look at replies to adjust the score of root posts.
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let parent_uri = event?.commit?.record?.reply?.root?.uri ?? "";
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if !parent_uri.is_empty() {
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return parent_uri;
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}
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for facet in event?.commit?.record?.facets ?? [] {
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for feature in facet?.features ?? [] {
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switch feature?["$type"] {
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"app.bsky.richtext.facet#tag" => {
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let tag = feature?["tag"] ?? "";
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let tag_normalized = tag.to_lower();
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if tag_normalized == "supercell" {
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// If the post is not a reply and has the "#supercell" tag then add
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// it to the feed.
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return build_aturi(event);
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}
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}
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_ => {}
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}
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}
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}
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false