wip

src/apps/web/FeedReader.h

@@ -0,0 +1,44 @@
+#pragma once
+
+struct FeedReader {
+    struct EventInfo {
+        uint64_t comments = 0;
+        double score = 0.0;
+    };
+
+    struct FeedEvent {
+        uint64_t levId;
+        std::string id;
+
+        EventInfo info;
+    };
+
+    tao::json::value feedJson;
+
+    FeedReader(lmdb::txn &txn, const std::string &feedId) {
+        size_t pos = feedId.find(".");
+        if (pos == std::string_view::npos) throw herr("bad feedId");
+        std::string pubkey = FeedId.substr(0, pos);
+        std::string adminTopic = feedId.substr(pos + 1);
+
+        tao::json::value filter = tao::json::value({
+            { "authors", tao::json::value::array({ to_hex(authorPubkey) }) },
+            { "kinds", tao::json::value::array({ uint64_t(33800) }) },
+            { "#d", tao::json::value::array({ adminTopic }) },
+        });
+
+        bool found = false;
+
+        foreachByFilter(txn, filter, [&](uint64_t levId){
+            feedJson = tao::json::from_string(getEventJson(txn, decomp, levId));
+            found = true;
+            return false;
+        });
+
+        if (!found) throw herr("unable to lookup feedId: ", feedId);
+    }
+
+    std::vector<FeedEvent> getEvents(lmdb::txn &txn, Decompressor &decomp) {
+        return {};
+    }
+};