module history.model;

import std.datetime.systime;

struct History {
    ulong id;
}

enum HistoryItemType : string {
    TEXT = "TEXT"
}

HistoryItemType getHistoryItemType(string text) {
    import std.traits;
    static foreach (t; EnumMembers!HistoryItemType) {
        if (text == t) return t;
    }
    throw new Exception("Unknown history item type: " ~ text);
}

struct HistoryItem {
    ulong id;
    ulong historyId;
    SysTime timestamp;
    HistoryItemType type;
}

struct HistoryItemText {
    ulong itemId;
    string content;
}