feat: scheduled canvas PDF export

admin/server/reports.go

@@ -21,6 +21,7 @@ import (
 	"golang.org/x/exp/slices"
 	"google.golang.org/grpc/codes"
 	"google.golang.org/grpc/status"
+	"google.golang.org/protobuf/encoding/protojson"
 	"google.golang.org/protobuf/types/known/structpb"
 	"gopkg.in/yaml.v3"
 )
@@ -561,14 +562,23 @@ func (s *Server) yamlForManagedReport(opts *adminv1.ReportOptions, ownerUserID s
 	res.Watermark = "inherit"
 	res.Intervals.Duration = opts.IntervalDuration
 
+	if opts.ExportFormat == runtimev1.ExportFormat_EXPORT_FORMAT_PDF {
+		if opts.Canvas == "" {
+			return nil, fmt.Errorf("PDF export requires a canvas")
+		}
+		if opts.Resolver != "" || opts.QueryName != "" { // nolint:staticcheck // backwards compatibility
+			return nil, fmt.Errorf("PDF export does not support a query or data resolver")
+		}
+	}
+
 	if opts.Resolver != "" {
 		res.Data = map[string]any{
 			opts.Resolver: opts.ResolverProperties,
 		}
 	}
 	res.Query.Name = opts.QueryName         // nolint:staticcheck // backwards compatibility
 	res.Query.ArgsJSON = opts.QueryArgsJson // nolint:staticcheck // backwards compatibility
-	res.Export.Format = opts.ExportFormat.String()
+	res.Export.Format = exportFormatYAML(opts.ExportFormat)
 	res.Export.IncludeHeader = opts.ExportIncludeHeader
 	res.Export.Limit = uint(opts.ExportLimit)
 
@@ -593,6 +603,13 @@ func (s *Server) yamlForManagedReport(opts *adminv1.ReportOptions, ownerUserID s
 	}
 	res.Annotations.Explore = opts.Explore
 	res.Annotations.Canvas = opts.Canvas
+	if opts.Canvas != "" {
+		filtersJSON, err := metricsViewFiltersJSON(opts.MetricsViewFilters)
+		if err != nil {
+			return nil, err
+		}
+		res.Annotations.MetricsViewFilters = filtersJSON
+	}
 	return yaml.Marshal(res)
 }
 
@@ -606,19 +623,6 @@ func (s *Server) yamlForCommittedReport(opts *adminv1.ReportOptions) ([]byte, er
 		}
 	}
 
-	// Format export format as pretty string
-	var exportFormat string
-	switch opts.ExportFormat {
-	case runtimev1.ExportFormat_EXPORT_FORMAT_CSV:
-		exportFormat = "csv"
-	case runtimev1.ExportFormat_EXPORT_FORMAT_PARQUET:
-		exportFormat = "parquet"
-	case runtimev1.ExportFormat_EXPORT_FORMAT_XLSX:
-		exportFormat = "xlsx"
-	default:
-		exportFormat = opts.ExportFormat.String()
-	}
-
 	res := reportYAML{}
 	res.Type = "report"
 	res.DisplayName = opts.DisplayName
@@ -631,9 +635,18 @@ func (s *Server) yamlForCommittedReport(opts *adminv1.ReportOptions) ([]byte, er
 			opts.Resolver: opts.ResolverProperties,
 		}
 	}
+	if opts.ExportFormat == runtimev1.ExportFormat_EXPORT_FORMAT_PDF {
+		if opts.Canvas == "" {
+			return nil, fmt.Errorf("PDF export requires a canvas")
+		}
+		if opts.Resolver != "" || opts.QueryName != "" { // nolint:staticcheck // backwards compatibility
+			return nil, fmt.Errorf("PDF export does not support a query or data resolver")
+		}
+	}
+
 	res.Query.Name = opts.QueryName // nolint:staticcheck // backwards compatibility
 	res.Query.Args = args
-	res.Export.Format = exportFormat
+	res.Export.Format = exportFormatYAML(opts.ExportFormat)
 	res.Export.IncludeHeader = opts.ExportIncludeHeader
 	res.Export.Limit = uint(opts.ExportLimit)
 	res.Notify.Email.Recipients = opts.EmailRecipients
@@ -648,9 +661,57 @@ func (s *Server) yamlForCommittedReport(opts *adminv1.ReportOptions) ([]byte, er
 	if !res.Annotations.WebOpenMode.Valid() {
 		return nil, fmt.Errorf("invalid web open mode %q", opts.WebOpenMode)
 	}
+	if opts.Explore != "" && opts.Canvas != "" {
+		return nil, fmt.Errorf("cannot set both explore and canvas")
+	}
+	res.Annotations.Explore = opts.Explore
+	res.Annotations.Canvas = opts.Canvas
+	if opts.Canvas != "" {
+		// Canvas reports need the captured canvas state and filters to render correctly.
+		res.Annotations.WebOpenState = opts.WebOpenState
+		filtersJSON, err := metricsViewFiltersJSON(opts.MetricsViewFilters)
+		if err != nil {
+			return nil, err
+		}
+		res.Annotations.MetricsViewFilters = filtersJSON
+	}
 	return yaml.Marshal(res)
 }
 
+// reportFilterMaxSize limits the total size of the serialized filter expressions stored in a report's annotations.
+// Mirrors magicAuthTokenFilterMaxSize for magic auth token filters.
+const reportFilterMaxSize = 1024
+
+// metricsViewFiltersJSON serializes per-metrics-view filter expressions to a JSON object
+// of metrics view name to filter expression in protojson format.
+// It is stored in the "metrics_view_filters" report annotation and parsed by the report reconciler.
+func metricsViewFiltersJSON(filters map[string]*runtimev1.Expression) (string, error) {
+	if len(filters) == 0 {
+		return "", nil
+	}
+	var filterSize int
+	res := make(map[string]json.RawMessage, len(filters))
+	for mv, expr := range filters {
+		if mv == "" {
+			return "", fmt.Errorf("empty metrics view name in metrics view filters")
+		}
+		data, err := protojson.Marshal(expr)
+		if err != nil {
+			return "", fmt.Errorf("failed to serialize filter for metrics view %q: %w", mv, err)
+		}
+		filterSize += len(data)
+		if filterSize > reportFilterMaxSize {
+			return "", fmt.Errorf("filter size exceeds limit of %d bytes", reportFilterMaxSize)
+		}
+		res[mv] = data
+	}
+	data, err := json.Marshal(res)
+	if err != nil {
+		return "", fmt.Errorf("failed to serialize metrics view filters: %w", err)
+	}
+	return string(data), nil
+}
+
 func (s *Server) createMagicTokens(ctx context.Context, orgID, projectID, reportName, ownerID string, emails []string, resources []*adminv1.ResourceName) (map[string]string, error) {
 	var createdByUserID *string
 	if ownerID != "" {
@@ -874,6 +935,10 @@ type reportAnnotations struct {
 	WebOpenMode      WebOpenMode `yaml:"web_open_mode,omitempty"`
 	Explore          string      `yaml:"explore,omitempty"`
 	Canvas           string      `yaml:"canvas,omitempty"`
+	// Per-metrics-view filters of the canvas at scheduling time, as a JSON object of
+	// metrics view name to filter expression in protojson format (canvas reports only).
+	// The report reconciler bakes these into the report's transitive security rules.
+	MetricsViewFilters string `yaml:"metrics_view_filters,omitempty"`
 }
 
 type WebOpenMode string
@@ -905,6 +970,7 @@ func parseReportAnnotations(annotations map[string]string) reportAnnotations {
 	res.WebOpenState = annotations["web_open_state"]
 	res.Explore = annotations["explore"]
 	res.Canvas = annotations["canvas"]
+	res.MetricsViewFilters = annotations["metrics_view_filters"]
 	switch annotations["web_open_mode"] {
 	case "recipient":
 		res.WebOpenMode = WebOpenModeRecipient
@@ -919,6 +985,22 @@ func parseReportAnnotations(annotations map[string]string) reportAnnotations {
 	return res
 }
 
+// exportFormatYAML formats an export format enum as the string used in report YAML (parsed by runtime/parser.parseExportFormat).
+func exportFormatYAML(f runtimev1.ExportFormat) string {
+	switch f {
+	case runtimev1.ExportFormat_EXPORT_FORMAT_CSV:
+		return "csv"
+	case runtimev1.ExportFormat_EXPORT_FORMAT_XLSX:
+		return "xlsx"
+	case runtimev1.ExportFormat_EXPORT_FORMAT_PARQUET:
+		return "parquet"
+	case runtimev1.ExportFormat_EXPORT_FORMAT_PDF:
+		return "pdf"
+	default:
+		return f.String()
+	}
+}
+
 func virtualFilePathForManagedReport(name string) string {
 	return path.Join("reports", name+".yaml")
 }

proto/gen/rill/admin/v1/admin.swagger.yaml

@@ -5424,6 +5424,7 @@ definitions:
       - EXPORT_FORMAT_CSV
       - EXPORT_FORMAT_XLSX
       - EXPORT_FORMAT_PARQUET
+      - EXPORT_FORMAT_PDF
     default: EXPORT_FORMAT_UNSPECIFIED
   v1Expression:
     type: object
@@ -6722,6 +6723,13 @@ definitions:
         title: either canvas or explore should be set
       canvas:
         type: string
+      metricsViewFilters:
+        type: object
+        additionalProperties:
+          $ref: '#/definitions/v1Expression'
+        description: |-
+          Per-metrics-view filters of the canvas at scheduling time (canvas PDF reports only).
+          Baked into the report's security rules so magic-token recipients cannot query unfiltered data.
       webOpenMode:
         type: string
         title: |-