@@ -0,0 +1,124 @@
+package server
+
+import (
+	"encoding/xml"
+	"fmt"
+	"net/http"
+
+	"github.com/Southclaws/fault/ftag"
+
+	"alin.ovh/searchix/internal/components"
+	"alin.ovh/searchix/internal/config"
+	"alin.ovh/searchix/internal/opensearch"
+)
+
+type SourceHandler struct {
+	global *GlobalHandler
+	source *config.Source
+	mux    *http.ServeMux
+}
+
+func (h *SourceHandler) ServeHTTP(w http.ResponseWriter, r *http.Request) {
+	h.mux.ServeHTTP(w, r)
+}
+
+func (h *SourceHandler) Search(w http.ResponseWriter, r *http.Request) {
+	h.global.Search(h.source, w, r)
+}
+
+func (h *SourceHandler) Detail(w http.ResponseWriter, r *http.Request) {
+	importerSingular := h.source.Importer.Singular()
+
+	doc, err := h.global.index.GetDocument(r.Context(), h.source, r.PathValue("id"))
+	if err != nil {
+		if ftag.Get(err) == ftag.NotFound {
+			h.global.log.Warn("document not found", "source", h.source.Key, "id", r.PathValue("id"))
+			h.global.errorHandler(w, r, http.StatusText(http.StatusNotFound), http.StatusNotFound)
+
+			return
+		}
+
+		h.global.log.Error(
+			"failed to get document",
+			"source",
+			h.source.Key,
+			"id",
+			r.PathValue("id"),
+			"error",
+			err,
+		)
+		h.global.errorHandler(
+			w,
+			r,
+			http.StatusText(http.StatusInternalServerError),
+			http.StatusInternalServerError,
+		)
+
+		return
+	}
+
+	if doc == nil {
+		h.global.errorHandler(w, r, http.StatusText(http.StatusNotFound), http.StatusNotFound)
+
+		return
+	}
+
+	tdata := components.TemplateData{
+		ExtraHeadHTML: h.global.cfg.Web.ExtraHeadHTML,
+		Source:        h.source,
+		Sources:       sources,
+		Assets:        h.global.assets,
+	}
+	var baseErr error
+	if r.Header.Get("Fetch") == "true" {
+		w.Header().Add("Content-Type", "text/html; charset=utf-8")
+		baseErr = components.Detail(doc).Render(w)
+	} else {
+		baseErr = components.DetailPage(tdata, doc).Render(w)
+	}
+	if baseErr != nil {
+		h.global.log.Error("template error", "template", importerSingular, "error", baseErr)
+		h.global.errorHandler(w, r, baseErr.Error(), http.StatusInternalServerError)
+	}
+}
+
+func (h *SourceHandler) OpenSearchXML(w http.ResponseWriter, _ *http.Request) {
+	w.Header().Add("Cache-Control", "max-age=604800")
+	w.Header().Set("Content-Type", "application/opensearchdescription+xml")
+	osd := &opensearch.Description{
+		ShortName:   fmt.Sprintf("Searchix %s", h.source),
+		LongName:    fmt.Sprintf("Search %s with Searchix", h.source),
+		Description: fmt.Sprintf("Search %s", h.source),
+		SearchForm: h.global.cfg.Web.BaseURL.JoinPath(
+			h.source.Importer.String(),
+			h.source.Key,
+			"search",
+		),
+		Image: opensearch.Image{
+			Height:  32,
+			Width:   32,
+			Type:    "image/x-icon",
+			Content: h.global.cfg.Web.BaseURL.JoinPath("favicon.ico").String(),
+		},
+		URL: opensearch.URL{
+			Method: "get",
+			Type:   "text/html",
+			Template: h.global.cfg.Web.BaseURL.JoinPath(
+				h.source.Importer.String(),
+				h.source.Key,
+				"search",
+			).AddRawQuery("query", "{searchTerms}"),
+		},
+	}
+	enc := xml.NewEncoder(w)
+	enc.Indent("", "    ")
+	err := enc.Encode(osd)
+	if err != nil {
+		// no h.global.errorHandler; HTML does not make sense here
+		http.Error(
+			w,
+			fmt.Sprintf("OpenSearch XML encoding error: %v", err),
+			http.StatusInternalServerError,
+		)
+	}
+}