snapshot of https://github.com/cortezaproject/corteza.git (2024.9.x, 2026-09-18; blobs > 131072B omitted)

server/system/renderer/renderer.go

@@ -0,0 +1,59 @@
+package renderer
+
+import (
+	"context"
+	"fmt"
+	"io"
+
+	"github.com/cortezaproject/corteza/server/pkg/options"
+)
+
+type (
+	renderer struct {
+		factories []driverFactory
+	}
+)
+
+func Renderer(cfg options.TemplateOpt) *renderer {
+	ff := make([]driverFactory, 0, 3)
+	ff = append(ff, newGenericText(), newGenericHTML())
+	if cfg.RendererGotenbergEnabled {
+		ff = append(ff, newGotenbergPDF(cfg.RendererGotenbergAddress))
+	}
+
+	return &renderer{
+		factories: ff,
+	}
+}
+
+func (r *renderer) Render(ctx context.Context, pl *RendererPayload) (io.ReadSeeker, error) {
+	for _, f := range r.factories {
+		if f.CanRender(pl.TemplateType) && f.CanProduce(pl.TargetType) {
+			pp := make(map[string]io.Reader)
+			for _, prt := range pl.Partials {
+				pp[prt.Handle] = prt.Template
+			}
+			dpl := &driverPayload{
+				Template:    pl.Template,
+				Variables:   pl.Variables,
+				Options:     pl.Options,
+				Partials:    pp,
+				Attachments: pl.Attachments,
+				Header:      pl.Header,
+				Footer:      pl.Footer,
+			}
+
+			return f.Driver().Render(ctx, dpl)
+		}
+	}
+
+	return nil, fmt.Errorf("rendering failed: driver not found")
+}
+
+func (r *renderer) Drivers() []DriverDefinition {
+	dd := make([]DriverDefinition, len(r.factories))
+	for i, f := range r.factories {
+		dd[i] = f.Define()
+	}
+	return dd
+}