Command - pull

- Migrated handlePull to CmdPull.
This commit is contained in:
Paul Beckingham 2011-05-30 14:30:14 -04:00
parent abd51e81a3
commit 99fae1f9a8
9 changed files with 164 additions and 77 deletions

118
src/commands/CmdPull.cpp Normal file
View file

@ -0,0 +1,118 @@
////////////////////////////////////////////////////////////////////////////////
// taskwarrior - a command line task list manager.
//
// Copyright 2006 - 2011, Paul Beckingham, Federico Hernandez.
// All rights reserved.
//
// This program is free software; you can redistribute it and/or modify it under
// the terms of the GNU General Public License as published by the Free Software
// Foundation; either version 2 of the License, or (at your option) any later
// version.
//
// This program is distributed in the hope that it will be useful, but WITHOUT
// ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
// FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
// details.
//
// You should have received a copy of the GNU General Public License along with
// this program; if not, write to the
//
// Free Software Foundation, Inc.,
// 51 Franklin Street, Fifth Floor,
// Boston, MA
// 02110-1301
// USA
//
////////////////////////////////////////////////////////////////////////////////
#include <fstream>
#include <sstream>
#include <Context.h>
#include <URI.h>
#include <Transport.h>
#include <text.h>
#include <CmdPull.h>
extern Context context;
////////////////////////////////////////////////////////////////////////////////
CmdPull::CmdPull ()
{
_keyword = "pull";
_usage = "task pull URL";
_description = "Overwrites the local *.data files with those found at the URL.";
_read_only = true;
_displays_id = false;
}
////////////////////////////////////////////////////////////////////////////////
int CmdPull::execute (const std::string&, std::string& output)
{
std::string file = trim (context.task.get ("description"));
Uri uri (file, "pull");
uri.parse ();
if (uri.data.length ())
{
Directory location (context.config.get ("data.location"));
if (! uri.append ("{pending,undo,completed}.data"))
throw std::string ("The uri '") + uri.path + "' is not a directory. Did you forget a trailing '/'?";
Transport* transport;
if ((transport = Transport::getTransport (uri)) != NULL)
{
transport->recv (location.data + "/");
delete transport;
}
else
{
// Verify that files are not being copied from rc.data.location to the
// same place.
if (Directory (uri.path) == Directory (context.config.get ("data.location")))
throw std::string ("Cannot pull files when the source and destination are the same.");
// copy files locally
// remove {pending,undo,completed}.data
uri.path = uri.parent();
Path path1 (uri.path + "undo.data");
Path path2 (uri.path + "pending.data");
Path path3 (uri.path + "completed.data");
if (path1.exists() && path2.exists() && path3.exists())
{
// if (confirm ("xxxxxxxxxxxxx"))
// {
std::ofstream ofile1 ((location.data + "/undo.data").c_str(), std::ios_base::binary);
std::ifstream ifile1 (path1.data.c_str() , std::ios_base::binary);
ofile1 << ifile1.rdbuf();
std::ofstream ofile2 ((location.data + "/pending.data").c_str(), std::ios_base::binary);
std::ifstream ifile2 (path2.data.c_str() , std::ios_base::binary);
ofile2 << ifile2.rdbuf();
std::ofstream ofile3 ((location.data + "/completed.data").c_str(), std::ios_base::binary);
std::ifstream ifile3 (path3.data.c_str() , std::ios_base::binary);
ofile3 << ifile3.rdbuf();
// }
}
else
{
throw std::string ("At least one of the database files in '" + uri.path + "' is not present.");
}
}
output += "Tasks transferred from " + uri.data + "\n";
}
else
throw std::string ("No uri was specified for the pull. Either specify "
"the uri of a remote .task directory, or create a "
"'pull.default.uri' entry in your .taskrc file.");
return 0;
}
////////////////////////////////////////////////////////////////////////////////