Replace membership and visibility values with constants (#774)

Signed-off-by: Alex Chen <minecnly@gmail.com>

clientapi/auth/storage/accounts/storage.go

@@ -230,7 +230,7 @@ func (d *Database) newMembership(
 		}
 
 		// Only "join" membership events can be considered as new memberships
-		if membership == "join" {
+		if membership == gomatrixserverlib.Join {
 			if err := d.saveMembership(ctx, txn, localpart, roomID, eventID); err != nil {
 				return err
 			}

clientapi/routing/createroom.go

@@ -55,10 +55,6 @@ const (
 	presetPublicChat         = "public_chat"
 )
 
-const (
-	joinRulePublic = "public"
-	joinRuleInvite = "invite"
-)
 const (
 	historyVisibilityShared = "shared"
 	// TODO: These should be implemented once history visibility is implemented
@@ -201,7 +197,7 @@ func createRoom(
 	}
 
 	membershipContent := common.MemberContent{
-		Membership:  "join",
+		Membership:  gomatrixserverlib.Join,
 		DisplayName: profile.DisplayName,
 		AvatarURL:   profile.AvatarURL,
 	}
@@ -209,19 +205,19 @@ func createRoom(
 	var joinRules, historyVisibility string
 	switch r.Preset {
 	case presetPrivateChat:
-		joinRules = joinRuleInvite
+		joinRules = gomatrixserverlib.Invite
 		historyVisibility = historyVisibilityShared
 	case presetTrustedPrivateChat:
-		joinRules = joinRuleInvite
+		joinRules = gomatrixserverlib.Invite
 		historyVisibility = historyVisibilityShared
 		// TODO If trusted_private_chat, all invitees are given the same power level as the room creator.
 	case presetPublicChat:
-		joinRules = joinRulePublic
+		joinRules = gomatrixserverlib.Public
 		historyVisibility = historyVisibilityShared
 	default:
 		// Default room rules, r.Preset was previously checked for valid values so
 		// only a request with no preset should end up here.
-		joinRules = joinRuleInvite
+		joinRules = gomatrixserverlib.Invite
 		historyVisibility = historyVisibilityShared
 	}
 

clientapi/routing/joinroom.go

@@ -70,7 +70,7 @@ func JoinRoomByIDOrAlias(
 		return httputil.LogThenError(req, err)
 	}
 
-	content["membership"] = "join"
+	content["membership"] = gomatrixserverlib.Join
 	content["displayname"] = profile.DisplayName
 	content["avatar_url"] = profile.AvatarURL
 

clientapi/routing/membership.go

@@ -102,7 +102,7 @@ func SendMembership(
 	var returnData interface{} = struct{}{}
 
 	// The join membership requires the room id to be sent in the response
-	if membership == "join" {
+	if membership == gomatrixserverlib.Join {
 		returnData = struct {
 			RoomID string `json:"room_id"`
 		}{roomID}
@@ -141,7 +141,7 @@ func buildMembershipEvent(
 
 	// "unban" or "kick" isn't a valid membership value, change it to "leave"
 	if membership == "unban" || membership == "kick" {
-		membership = "leave"
+		membership = gomatrixserverlib.Leave
 	}
 
 	content := common.MemberContent{
@@ -192,7 +192,7 @@ func loadProfile(
 func getMembershipStateKey(
 	body threepid.MembershipRequest, device *authtypes.Device, membership string,
 ) (stateKey string, reason string, err error) {
-	if membership == "ban" || membership == "unban" || membership == "kick" || membership == "invite" {
+	if membership == gomatrixserverlib.Ban || membership == "unban" || membership == "kick" || membership == gomatrixserverlib.Invite {
 		// If we're in this case, the state key is contained in the request body,
 		// possibly along with a reason (for "kick" and "ban") so we need to parse
 		// it

clientapi/routing/profile.go

@@ -264,7 +264,7 @@ func buildMembershipEvents(
 		}
 
 		content := common.MemberContent{
-			Membership: "join",
+			Membership: gomatrixserverlib.Join,
 		}
 
 		content.DisplayName = newProfile.DisplayName

clientapi/routing/routing.go

@@ -93,7 +93,7 @@ func Setup(
 		}),
 	).Methods(http.MethodPost, http.MethodOptions)
 	r0mux.Handle("/join/{roomIDOrAlias}",
-		common.MakeAuthAPI("join", authData, func(req *http.Request, device *authtypes.Device) util.JSONResponse {
+		common.MakeAuthAPI(gomatrixserverlib.Join, authData, func(req *http.Request, device *authtypes.Device) util.JSONResponse {
 			vars, err := common.URLDecodeMapValues(mux.Vars(req))
 			if err != nil {
 				return util.ErrorResponse(err)

clientapi/threepid/invites.go

@@ -91,7 +91,7 @@ func CheckAndProcessInvite(
 	producer *producers.RoomserverProducer, membership string, roomID string,
 	evTime time.Time,
 ) (inviteStoredOnIDServer bool, err error) {
-	if membership != "invite" || (body.Address == "" && body.IDServer == "" && body.Medium == "") {
+	if membership != gomatrixserverlib.Invite || (body.Address == "" && body.IDServer == "" && body.Medium == "") {
 		// If none of the 3PID-specific fields are supplied, it's a standard invite
 		// so return nil for it to be processed as such
 		return