lib/github: handles labels

Signed-off-by: Alexandre Terrasa <alexandre@moz-code.org>

diff --git a/lib/github/api.nit b/lib/github/api.nit
index 9172e19..cbf7b82 100644 (file)
--- a/lib/github/api.nit
+++ b/lib/github/api.nit
@@ -202,6 +202,22 @@ class GithubAPI
                if was_error then return null
                return commit
        end
+
+       # Get the Github label with `name`.
+       #
+       # Returns `null` if the label cannot be found.
+       #
+       #     var api = new GithubAPI(get_github_oauth)
+       #     var repo = api.load_repo("privat/nit")
+       #     assert repo isa Repo
+       #     var labl = api.load_label(repo, "ok_will_merge")
+       #     assert labl != null
+       fun load_label(repo: Repo, name: String): nullable Label do
+               var labl = new Label(self, repo, name)
+               labl.load_from_github
+               if was_error then return null
+               return labl
+       end
 end
 
 # Something returned by the Github API.
@@ -300,6 +316,19 @@ class Repo
                return res
        end
 
+       # List of labels associated with their names.
+       fun labels: Map[String, Label] do
+               api.message(1, "Get labels for {full_name}")
+               var array = api.get("repos/{full_name}/labels")
+               var res = new HashMap[String, Label]
+               if not array isa JsonArray then return res
+               for obj in array do
+                       if not obj isa JsonObject then continue
+                       var name = obj["name"].to_s
+                       res[name] = new Label.from_json(api, self, obj)
+               end
+               return res
+       end
        # Repo default branch.
        fun default_branch: Branch do
                var name = json["default_branch"].to_s
@@ -432,3 +461,25 @@ class Commit
        # Commit message.
        fun message: String do return json["commit"].as(JsonObject)["message"].to_s
 end
+
+# A Github label.
+#
+# Should be accessed from `GithubAPI::load_label`.
+#
+# See <https://developer.github.com/v3/issues/labels/>.
+class Label
+       super RepoEntity
+
+       redef var key is lazy do return "{repo.key}/labels/{name}"
+
+       # Label name.
+       var name: String
+
+       redef init from_json(api, repo, json) do
+               self.name = json["name"].to_s
+               super
+       end
+
+       # Label color code.
+       fun color: String do return json["color"].to_s
+end