initial commit on Federted servers

internal/handlers/unshare.go

@@ -0,0 +1,25 @@
+package handlers
+
+import (
+	"github.com/andrew/go-computer/internal/db"
+	"net/http"
+)
+
+func unshare(w http.ResponseWriter, r *http.Request, parent, join, key string) {
+	id := r.PathValue("id")
+	if _, e := owned(r, database(r), parent, id, "ownerId"); e != nil {
+		respond(w, 0, nil, e)
+		return
+	}
+	_, e := database(r).ExecContext(r.Context(), `DELETE FROM `+db.Quote(join)+` WHERE `+db.Quote(key)+`=$1 AND "userId"=$2`, id, r.PathValue("userId"))
+	respond(w, 200, OK{true}, e)
+}
+func HandleBookmarkUnshare(w http.ResponseWriter, r *http.Request) {
+	unshare(w, r, "Bookmark", "BookmarkShare", "bookmarkId")
+}
+func HandleTagUnshare(w http.ResponseWriter, r *http.Request) {
+	unshare(w, r, "Tag", "TagShare", "tagId")
+}
+func HandleSharedDateDelete(w http.ResponseWriter, r *http.Request) {
+	respond(w, 200, OK{true}, remove(r, "SharedDate", r.PathValue("id"), "creatorId"))
+}