From fd7c365288b9c4db1d441b553d42b26e81715b36 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?louiz=E2=80=99?= <louiz@louiz.org>
Date: Tue, 13 Feb 2018 03:10:00 +0100
Subject: Use the same function for both history orders

---
 src/bridge/bridge.cpp     |  2 +-
 src/database/database.cpp | 40 +++++++++++++---------------------------
 src/database/database.hpp |  8 ++------
 3 files changed, 16 insertions(+), 34 deletions(-)

diff --git a/src/bridge/bridge.cpp b/src/bridge/bridge.cpp
index acb8e18..fefab40 100644
--- a/src/bridge/bridge.cpp
+++ b/src/bridge/bridge.cpp
@@ -1020,7 +1020,7 @@ void Bridge::send_room_history(const std::string& hostname, std::string chan_nam
   auto limit = coptions.col<Database::MaxHistoryLength>();
   if (history_limit.stanzas >= 0 && history_limit.stanzas < limit)
     limit = history_limit.stanzas;
-  const auto lines = Database::get_muc_most_recent_logs(this->user_jid, chan_name, hostname, limit, history_limit.since);
+  const auto lines = Database::get_muc_logs(this->user_jid, chan_name, hostname, limit, history_limit.since, {}, Id::unset_value, Database::Paging::last);
   chan_name.append(utils::empty_if_fixed_server("%" + hostname));
   for (const auto& line: lines)
     {
diff --git a/src/database/database.cpp b/src/database/database.cpp
index 2d6fbbd..2a63a6b 100644
--- a/src/database/database.cpp
+++ b/src/database/database.cpp
@@ -165,8 +165,11 @@ std::string Database::store_muc_message(const std::string& owner, const std::str
 }
 
 std::vector<Database::MucLogLine> Database::get_muc_logs(const std::string& owner, const std::string& chan_name, const std::string& server,
-                                                   int limit, const std::string& start, const std::string& end, const Id::real_type after_id)
+                                                   int limit, const std::string& start, const std::string& end, const Id::real_type after_id, Database::Paging paging)
 {
+  if (limit == 0)
+    return {};
+
   auto request = Database::muc_log_lines.select();
   request.where() << Database::Owner{} << "=" << owner << \
           " and " << Database::IrcChanName{} << "=" << chan_name << \
@@ -189,37 +192,20 @@ std::vector<Database::MucLogLine> Database::get_muc_logs(const std::string& owne
       request << " and " << Id{} << ">" << after_id;
     }
 
-  if (limit >= 0)
-    request.limit() << limit;
-
-  auto result = request.execute(*Database::db);
-
-  return {result.cbegin(), result.cend()};
-}
-
-std::vector<Database::MucLogLine> Database::get_muc_most_recent_logs(const std::string& owner, const std::string& chan_name, const std::string& server,
-                                                                     int limit, const std::string& start)
-{
-  auto request = Database::muc_log_lines.select();
-  request.where() << Database::Owner{} << "=" << owner << \
-          " and " << Database::IrcChanName{} << "=" << chan_name << \
-          " and " << Database::IrcServerName{} << "=" << server;
-
-  if (!start.empty())
-    {
-      const auto start_time = utils::parse_datetime(start);
-      if (start_time != -1)
-        request << " and " << Database::Date{} << ">=" << start_time;
-    }
-
-  request.order_by() << Id{} << " DESC ";
+  if (paging == Database::Paging::first)
+    request.order_by() << Id{} << " ASC ";
+  else
+    request.order_by() << Id{} << " DESC ";
 
   if (limit >= 0)
     request.limit() << limit;
 
   auto result = request.execute(*Database::db);
-  
-  return {result.crbegin(), result.crend()};
+
+  if (paging == Database::Paging::first)
+    return result;
+  else
+    return {result.crbegin(), result.crend()};
 }
 
 Database::MucLogLine Database::get_muc_log(const std::string& owner, const std::string& chan_name, const std::string& server,
diff --git a/src/database/database.hpp b/src/database/database.hpp
index fb62c34..9c483f4 100644
--- a/src/database/database.hpp
+++ b/src/database/database.hpp
@@ -23,6 +23,7 @@ class Database
  public:
   using time_point = std::chrono::system_clock::time_point;
   struct RecordNotFound: public std::exception {};
+  enum class Paging { first, last };
 
   struct Uuid: Column<std::string> { static constexpr auto name = "uuid_"; };
 
@@ -125,13 +126,8 @@ class Database
    */
   static std::vector<MucLogLine> get_muc_logs(const std::string& owner, const std::string& chan_name, const std::string& server,
                                               int limit=-1, const std::string& start="", const std::string& end="",
-                                              const Id::real_type after_id=Id::unset_value);
+                                              const Id::real_type after_id=Id::unset_value, Paging=Paging::first);
 
-  /**
-   * Get the most recent messages from the archive, with optional limit and start date
-   */
-  static std::vector<MucLogLine> get_muc_most_recent_logs(const std::string& owner, const std::string& chan_name, const std::string& server,
-                                              int limit=-1, const std::string& start="");
   /**
    * Get just one single record matching the given uuid, between (optional) end and start.
    * If it does not exist (or is not between end and start), throw a RecordNotFound exception.
-- 
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