Add very noddy github service. Add owner/repo#11 expander.

src/github.com/matrix-org/go-neb/goneb.go

@@ -6,6 +6,7 @@ import (
 	"github.com/matrix-org/go-neb/database"
 	"github.com/matrix-org/go-neb/server"
 	_ "github.com/matrix-org/go-neb/services/echo"
+	_ "github.com/matrix-org/go-neb/services/github"
 	_ "github.com/mattn/go-sqlite3"
 	"net/http"
 	_ "net/http/pprof"

src/github.com/matrix-org/go-neb/services/github/github.go

@@ -0,0 +1,52 @@
+package services
+
+import (
+	"github.com/matrix-org/go-neb/database"
+	"github.com/matrix-org/go-neb/matrix"
+	"github.com/matrix-org/go-neb/plugin"
+	"regexp"
+	"strings"
+)
+
+type githubService struct {
+	id     string
+	UserID string
+	Rooms  []string
+}
+
+func (s *githubService) ServiceUserID() string { return s.UserID }
+func (s *githubService) ServiceID() string     { return s.id }
+func (s *githubService) ServiceType() string   { return "github" }
+func (s *githubService) RoomIDs() []string     { return s.Rooms }
+func (s *githubService) Plugin(roomID string) plugin.Plugin {
+	return plugin.Plugin{
+		Commands: []plugin.Command{
+			plugin.Command{
+				Path: []string{"github"},
+				Command: func(roomID, userID string, args []string) (interface{}, error) {
+					return &matrix.TextMessage{"m.notice", strings.Join(args, " ")}, nil
+				},
+			},
+		},
+		Expansions: []plugin.Expansion{
+			plugin.Expansion{
+				// E.g. owner/repo#11 (issue/PR numbers)
+				Regexp: regexp.MustCompile("[A-z0-9-_]+/[A-z0-9-_]+#[0-9]+"),
+				Expand: func(roomID, matchingText string) interface{} {
+					// get the issue/PR number
+					repoAndNum := strings.Split(matchingText, "#")
+					return &matrix.TextMessage{
+						"m.notice",
+						"Repo: " + repoAndNum[0] + " Num: " + repoAndNum[1],
+					}
+				},
+			},
+		},
+	}
+}
+
+func init() {
+	database.RegisterService(func(serviceID string) database.Service {
+		return &githubService{id: serviceID}
+	})
+}