Move BuildEvent to common package (#315)

This is in preperation for implementing various federation APIs that
need to build events.

src/github.com/matrix-org/dendrite/clientapi/routing/joinroom.go

@@ -22,10 +22,10 @@ import (
 
 	"github.com/matrix-org/dendrite/clientapi/auth/authtypes"
 	"github.com/matrix-org/dendrite/clientapi/auth/storage/accounts"
-	"github.com/matrix-org/dendrite/clientapi/events"
 	"github.com/matrix-org/dendrite/clientapi/httputil"
 	"github.com/matrix-org/dendrite/clientapi/jsonerror"
 	"github.com/matrix-org/dendrite/clientapi/producers"
+	"github.com/matrix-org/dendrite/common"
 	"github.com/matrix-org/dendrite/common/config"
 	"github.com/matrix-org/dendrite/roomserver/api"
 	"github.com/matrix-org/gomatrix"
@@ -215,7 +215,7 @@ func (r joinRoomReq) joinRoomUsingServers(
 	}
 
 	var queryRes api.QueryLatestEventsAndStateResponse
-	event, err := events.BuildEvent(r.req.Context(), &eb, r.cfg, r.queryAPI, &queryRes)
+	event, err := common.BuildEvent(r.req.Context(), &eb, r.cfg, r.queryAPI, &queryRes)
 	if err == nil {
 		if err = r.producer.SendEvents(r.req.Context(), []gomatrixserverlib.Event{*event}, r.cfg.Matrix.ServerName); err != nil {
 			return httputil.LogThenError(r.req, err)
@@ -227,7 +227,7 @@ func (r joinRoomReq) joinRoomUsingServers(
 			}{roomID},
 		}
 	}
-	if err != events.ErrRoomNoExists {
+	if err != common.ErrRoomNoExists {
 		return httputil.LogThenError(r.req, err)
 	}
 

src/github.com/matrix-org/dendrite/clientapi/routing/membership.go

@@ -21,7 +21,6 @@ import (
 
 	"github.com/matrix-org/dendrite/clientapi/auth/authtypes"
 	"github.com/matrix-org/dendrite/clientapi/auth/storage/accounts"
-	"github.com/matrix-org/dendrite/clientapi/events"
 	"github.com/matrix-org/dendrite/clientapi/httputil"
 	"github.com/matrix-org/dendrite/clientapi/jsonerror"
 	"github.com/matrix-org/dendrite/clientapi/producers"
@@ -62,7 +61,7 @@ func SendMembership(
 			Code: 400,
 			JSON: jsonerror.NotTrusted(body.IDServer),
 		}
-	} else if err == events.ErrRoomNoExists {
+	} else if err == common.ErrRoomNoExists {
 		return util.JSONResponse{
 			Code: 404,
 			JSON: jsonerror.NotFound(err.Error()),
@@ -89,7 +88,7 @@ func SendMembership(
 			Code: 400,
 			JSON: jsonerror.BadJSON(err.Error()),
 		}
-	} else if err == events.ErrRoomNoExists {
+	} else if err == common.ErrRoomNoExists {
 		return util.JSONResponse{
 			Code: 404,
 			JSON: jsonerror.NotFound(err.Error()),
@@ -149,7 +148,7 @@ func buildMembershipEvent(
 		return nil, err
 	}
 
-	return events.BuildEvent(ctx, &builder, cfg, queryAPI, nil)
+	return common.BuildEvent(ctx, &builder, cfg, queryAPI, nil)
 }
 
 // loadProfile lookups the profile of a given user from the database and returns

src/github.com/matrix-org/dendrite/clientapi/routing/profile.go

@@ -20,7 +20,6 @@ import (
 
 	"github.com/matrix-org/dendrite/clientapi/auth/authtypes"
 	"github.com/matrix-org/dendrite/clientapi/auth/storage/accounts"
-	"github.com/matrix-org/dendrite/clientapi/events"
 	"github.com/matrix-org/dendrite/clientapi/httputil"
 	"github.com/matrix-org/dendrite/clientapi/jsonerror"
 	"github.com/matrix-org/dendrite/clientapi/producers"
@@ -285,7 +284,7 @@ func buildMembershipEvents(
 			return nil, err
 		}
 
-		event, err := events.BuildEvent(ctx, &builder, *cfg, queryAPI, nil)
+		event, err := common.BuildEvent(ctx, &builder, *cfg, queryAPI, nil)
 		if err != nil {
 			return nil, err
 		}

src/github.com/matrix-org/dendrite/clientapi/routing/sendevent.go

@@ -18,10 +18,10 @@ import (
 	"net/http"
 
 	"github.com/matrix-org/dendrite/clientapi/auth/authtypes"
-	"github.com/matrix-org/dendrite/clientapi/events"
 	"github.com/matrix-org/dendrite/clientapi/httputil"
 	"github.com/matrix-org/dendrite/clientapi/jsonerror"
 	"github.com/matrix-org/dendrite/clientapi/producers"
+	"github.com/matrix-org/dendrite/common"
 	"github.com/matrix-org/dendrite/common/config"
 	"github.com/matrix-org/dendrite/roomserver/api"
 	"github.com/matrix-org/gomatrixserverlib"
@@ -67,8 +67,8 @@ func SendEvent(
 	}
 
 	var queryRes api.QueryLatestEventsAndStateResponse
-	e, err := events.BuildEvent(req.Context(), &builder, cfg, queryAPI, &queryRes)
+	e, err := common.BuildEvent(req.Context(), &builder, cfg, queryAPI, &queryRes)
-	if err == events.ErrRoomNoExists {
+	if err == common.ErrRoomNoExists {
 		return util.JSONResponse{
 			Code: 404,
 			JSON: jsonerror.NotFound("Room does not exist"),

src/github.com/matrix-org/dendrite/clientapi/threepid/invites.go

@@ -26,7 +26,6 @@ import (
 
 	"github.com/matrix-org/dendrite/clientapi/auth/authtypes"
 	"github.com/matrix-org/dendrite/clientapi/auth/storage/accounts"
-	"github.com/matrix-org/dendrite/clientapi/events"
 	"github.com/matrix-org/dendrite/clientapi/producers"
 	"github.com/matrix-org/dendrite/common"
 	"github.com/matrix-org/dendrite/common/config"
@@ -351,7 +350,7 @@ func emit3PIDInviteEvent(
 	}
 
 	var queryRes *api.QueryLatestEventsAndStateResponse
-	event, err := events.BuildEvent(ctx, builder, cfg, queryAPI, queryRes)
+	event, err := common.BuildEvent(ctx, builder, cfg, queryAPI, queryRes)
 	if err != nil {
 		return err
 	}

src/github.com/matrix-org/dendrite/common/events.go

@@ -12,7 +12,7 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-package events
+package common
 
 import (
 	"context"