feat: add activity status and autostop reason to workspace overview (#11987)

coderd/workspaces.go

@@ -1,6 +1,7 @@
 package coderd
 
 import (
+	"bytes"
 	"context"
 	"database/sql"
 	"encoding/json"
@@ -1343,7 +1344,48 @@ func (api *API) watchWorkspace(rw http.ResponseWriter, r *http.Request) {
 		<-senderClosed
 	}()
 
-	sendUpdate := func(_ context.Context, _ []byte) {
+	sendUpdate := func(_ context.Context, description []byte) {
+		// The agent stats get updated frequently, so we treat these as a special case and only
+		// send a partial update. We primarily care about updating the `last_used_at` and
+		// `latest_build.deadline` properties.
+		if bytes.Equal(description, codersdk.WorkspaceNotifyDescriptionAgentStatsOnly) {
+			workspace, err := api.Database.GetWorkspaceByID(ctx, workspace.ID)
+			if err != nil {
+				_ = sendEvent(ctx, codersdk.ServerSentEvent{
+					Type: codersdk.ServerSentEventTypeError,
+					Data: codersdk.Response{
+						Message: "Internal error fetching workspace.",
+						Detail:  err.Error(),
+					},
+				})
+				return
+			}
+
+			workspaceBuild, err := api.Database.GetLatestWorkspaceBuildByWorkspaceID(ctx, workspace.ID)
+			if err != nil {
+				_ = sendEvent(ctx, codersdk.ServerSentEvent{
+					Type: codersdk.ServerSentEventTypeError,
+					Data: codersdk.Response{
+						Message: "Internal error fetching workspace build.",
+						Detail:  err.Error(),
+					},
+				})
+				return
+			}
+
+			_ = sendEvent(ctx, codersdk.ServerSentEvent{
+				Type: codersdk.ServerSentEventTypePartial,
+				Data: struct {
+					database.Workspace
+					LatestBuild database.WorkspaceBuild `json:"latest_build"`
+				}{
+					Workspace:   workspace,
+					LatestBuild: workspaceBuild,
+				},
+			})
+			return
+		}
+
 		workspace, err := api.Database.GetWorkspaceByID(ctx, workspace.ID)
 		if err != nil {
 			_ = sendEvent(ctx, codersdk.ServerSentEvent{