feat: add download page

handlers/list.go

@@ -0,0 +1,58 @@
+package handlers
+
+import (
+	"encoding/json"
+	"net/http"
+	"time"
+
+	"git.hafen.run/lukas/timeshare/pages"
+	"github.com/a-h/templ"
+	"github.com/valkey-io/valkey-go"
+)
+
+func ListFiles(client valkey.Client) http.HandlerFunc {
+	return func(w http.ResponseWriter, r *http.Request) {
+		upload_id := r.PathValue("upload_id")
+		if upload_id == "" {
+			w.WriteHeader(http.StatusBadRequest)
+			return
+		}
+
+		expiresInt, err := client.Do(r.Context(), client.B().Ttl().Key(upload_id).Build()).AsInt64()
+		if err != nil {
+			http.Error(w, err.Error(), http.StatusNotFound)
+			return
+		}
+		expiresIn := time.Second * time.Duration(expiresInt)
+		expires := time.Now().Add(expiresIn)
+
+		files_json, err := client.Do(r.Context(),
+			client.B().Get().Key(upload_id).Build()).ToString()
+		if err != nil {
+			http.Error(w, err.Error(), http.StatusNotFound)
+			return
+		}
+
+		var fileIds []string
+
+		err = json.Unmarshal([]byte(files_json), &fileIds)
+		if err != nil {
+			http.Error(w, err.Error(), http.StatusInternalServerError)
+			return
+		}
+
+		files := make([]pages.File, len(fileIds))
+		for i, fileid := range fileIds {
+			filename, err := client.Do(r.Context(), client.B().Get().Key(fileid+":filename").Build()).ToString()
+			if err != nil {
+				continue
+			}
+			files[i] = pages.File{
+				Filename: filename,
+				Key:      fileid,
+			}
+		}
+
+		templ.Handler(pages.ListShareContents(expires, upload_id, files)).ServeHTTP(w, r)
+	}
+}