From 0e23f222b9cb79a40e2c02c4c714c44baef91b44 Mon Sep 17 00:00:00 2001
From: Paul Beckingham <paul@beckingham.net>
Date: Sat, 7 May 2016 00:10:12 -0400
Subject: [PATCH] CmdClear: Propagated cli, rules, database

---
 src/commands/CmdClear.cpp | 22 ++++++++++++++--------
 src/commands/commands.h   |  2 +-
 src/init.cpp              |  2 +-
 3 files changed, 16 insertions(+), 10 deletions(-)

diff --git a/src/commands/CmdClear.cpp b/src/commands/CmdClear.cpp
index 8625b125..5e2362e9 100644
--- a/src/commands/CmdClear.cpp
+++ b/src/commands/CmdClear.cpp
@@ -25,19 +25,25 @@
 ////////////////////////////////////////////////////////////////////////////////
 
 #include <cmake.h>
+#include <timew.h>
 #include <iostream>
 
 ////////////////////////////////////////////////////////////////////////////////
-int CmdClear ()
+int CmdClear (
+  const CLI& cli,
+  Rules& rules,
+  Database& database)
 {
-  std::cout << "[clear: allows removal of tags form intervals]\n";
+  auto filter = getFilter (cli);
+  if (! filter.range.started () &&
+      filter.tags ().size () == 0)
+    throw std::string ("The 'clear' command refuses to delete all your data.");
 
-  // TODO Parse interval.
-  // TODO Parser tags.
-  // TODO Load all data.
-  // TODO Apply filter.
-  // TODO For each interval.
-  //   TODO Remove tags.
+  auto tracked = getTrackedIntervals (database, rules, filter);
+  auto extent = outerRange (tracked);
+
+  for (auto& interval : subset (extent, tracked))
+    std::cout << "# clear impacts " << interval.dump () << "\n";
 
   return 0;
 }
diff --git a/src/commands/commands.h b/src/commands/commands.h
index 68b10e6f..3f598762 100644
--- a/src/commands/commands.h
+++ b/src/commands/commands.h
@@ -33,7 +33,7 @@
 #include <Extensions.h>
 
 int CmdCancel        (            Rules&, Database&                   );
-int CmdClear         (                                                );
+int CmdClear         (const CLI&, Rules&, Database&                   );
 int CmdConfig        (const CLI&, Rules&                              );
 int CmdContinue      (            Rules&, Database&                   );
 int CmdDefault       (            Rules&, Database&                   );
diff --git a/src/init.cpp b/src/init.cpp
index 7a1b90af..f6c8ced7 100644
--- a/src/init.cpp
+++ b/src/init.cpp
@@ -227,7 +227,7 @@ int dispatchCommand (
     // These signatures are æxpected to be all different, therefore no
     // command to fn mapping.
          if (command == "cancel")      status = CmdCancel        (     rules, database            );
-    else if (command == "clear")       status = CmdClear         (                                );
+    else if (command == "clear")       status = CmdClear         (cli, rules, database            );
     else if (command == "config")      status = CmdConfig        (cli, rules                      );
     else if (command == "continue")    status = CmdContinue      (     rules, database            );
     else if (command == "day")         status = CmdReportDay     (cli, rules, database            );