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// Lobste.rs link-aggregation feed. Fetches stories from the public JSON |
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// API with hottest/newest/active ordering. Paginates by page number. |
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|
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const LOBSTERS_URL = "https://lobste.rs"; |
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|
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fn id() { |
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"lobsters" |
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} |
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|
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fn name() { |
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"Lobsters" |
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} |
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|
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fn capabilities() { |
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#{ |
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supports_pagination: true |
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} |
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} |
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|
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fn config_schema() { |
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#{ |
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description: "Fetch stories from Lobste.rs, a computing-focused link aggregation community.", |
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fields: [ |
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#{ |
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key: "feed_type", |
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label: "Feed Type", |
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field_type: "select", |
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required: true, |
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description: "Which stories to fetch", |
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default_value: "hottest", |
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options: ["hottest", "newest", "active"] |
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}, |
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#{ |
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key: "limit", |
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label: "Items per fetch", |
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field_type: "text", |
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description: "Number of stories to fetch (max 50)", |
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default_value: "25", |
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placeholder: "25" |
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} |
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] |
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} |
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} |
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|
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fn fetch(config, cursor) { |
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let feed_type = "hottest"; |
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if config.feed_type != () { |
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feed_type = config.feed_type; |
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} |
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|
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let limit = 25; |
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if config.limit != () { |
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let parsed = parse_int(config.limit); |
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if parsed != () && parsed > 0 { |
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if parsed > 50 { |
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limit = 50; |
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} else { |
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limit = parsed; |
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} |
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} |
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} |
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|
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// Parse cursor for page number |
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let page = 1; |
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if cursor != () { |
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let parsed = parse_int(cursor); |
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if parsed != () && parsed > 0 { |
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page = parsed; |
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} |
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} |
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|
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let url = LOBSTERS_URL + "/" + feed_type + ".json?page=" + page; |
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let stories = http_get_json(url); |
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|
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let items = []; |
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let count = 0; |
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|
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for story in stories { |
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if count >= limit { |
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break; |
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} |
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|
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let item = parse_story(story); |
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if item != () { |
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items.push(item); |
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count += 1; |
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} |
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} |
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|
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let has_more = items.len() >= limit; |
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let result = #{ |
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items: items, |
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has_more: has_more |
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}; |
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|
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if has_more { |
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result.next_cursor = "" + (page + 1); |
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} |
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|
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result |
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} |
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|
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fn parse_story(story) { |
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if story.title == () { |
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return (); |
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} |
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|
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let title = story.title; |
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|
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let score = 0; |
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if story.score != () { |
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score = story.score; |
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} |
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|
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let comments = 0; |
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if story.comment_count != () { |
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comments = story.comment_count; |
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} |
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|
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let author = "anonymous"; |
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if story.submitter_user != () { |
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if story.submitter_user.username != () { |
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author = story.submitter_user.username; |
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} |
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} |
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|
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let url = ""; |
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if story.url != () && story.url != "" { |
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url = story.url; |
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} else if story.comments_url != () { |
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url = story.comments_url; |
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} |
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|
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let created = timestamp_now(); |
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if story.created_at != () { |
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created = story.created_at; |
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} |
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|
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let short_id = ""; |
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if story.short_id != () { |
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short_id = story.short_id; |
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} |
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|
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// Build tags from story tags |
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let tags = ["lobsters"]; |
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if story.tags != () { |
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for tag in story.tags { |
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tags.push(tag); |
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} |
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} |
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|
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let secondary = "" + score + " pts · " + comments + " comments"; |
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|
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// Description/body |
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let body = (); |
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if story.description != () && story.description != "" { |
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body = story.description; |
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} |
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|
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#{ |
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id: #{ source: "lobsters", item_id: short_id }, |
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bite: #{ |
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author: author, |
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text: truncate(title, 100), |
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secondary: secondary, |
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indicator: "🦞" |
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}, |
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content: #{ |
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title: title, |
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body: body, |
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url: url |
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}, |
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meta: #{ |
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source_name: "Lobsters", |
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published_at: created, |
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score: score, |
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tags: tags |
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} |
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} |
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} |
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|