+ private var pattern_base = "https://api.github.com"
+
+ # Url patterns to class names
+ var url_patterns: Map[Regex, String] is lazy do
+ var map = new HashMap[Regex, String]
+ map["{pattern_base}/users/[^/]*$".to_re] = "User"
+ map["{pattern_base}/repos/[^/]*/[^/]*$".to_re] = "Repo"
+ map["{pattern_base}/repos/[^/]*/[^/]*/labels/[^/]+$".to_re] = "Label"
+ map["{pattern_base}/repos/[^/]*/[^/]*/milestones/[0-9]+$".to_re] = "Milestone"
+ map["{pattern_base}/repos/[^/]*/[^/]*/issues/[0-9]+$".to_re] = "Issue"
+ map["{pattern_base}/repos/[^/]*/[^/]*/issues/comments/[0-9]+$".to_re] = "IssueComment"
+ map["{pattern_base}/repos/[^/]*/[^/]*/issues/events/[0-9]+$".to_re] = "IssueEvent"
+ map["{pattern_base}/repos/[^/]*/[^/]*/pulls/[0-9]+$".to_re] = "PullRequest"
+ map["{pattern_base}/repos/[^/]*/[^/]*/pulls/comments/[0-9]+$".to_re] = "PullComment"
+ map["{pattern_base}/repos/[^/]*/[^/]*/comments/[0-9]+$".to_re] = "CommitComment"
+ map["{pattern_base}/repos/[^/]*/[^/]*/commits/[a-f0-9]+$".to_re] = "Commit"
+ map["{pattern_base}/repos/[^/]*/[^/]*/commits/[a-f0-9]+/status$".to_re] = "CommitStatus"
+ map["{pattern_base}/repos/[^/]*/[^/]*/statuses/[a-f0-9]+$".to_re] = "RepoStatus"
+ return map
+ end
+
+ # Match `url` property in object to a class name
+ fun url_heuristic(raw: Map[String, nullable Object]): nullable String do
+ if not raw.has_key("url") then return null
+
+ var url = raw["url"].as(String)
+ for re, class_name in url_patterns do
+ if url.has(re) then return class_name
+ end
+ return null
+ end
+
+ redef fun class_name_heuristic(raw) do
+ # Try with url
+ var class_name = url_heuristic(raw)
+ if class_name != null then return class_name
+
+ # print raw.serialize_to_json(true, true) # debug
+
+ # Use properties heuristics
+ if raw.has_key("name") and raw.has_key("commit") then