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TDB2: Add capability to purge tasks out of data files

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This commit is contained in:
Tomas Babej 2016-03-19 20:18:41 +01:00 • committed by Paul Beckingham
parent cbdd04e506
commit f10a3d6232
2 changed files with 34 additions and 3 deletions
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31
src/TDB2.cpp
View file

@ -218,6 +218,21 @@ bool TF2::modify_task (const Task& task)
return false;
}
////////////////////////////////////////////////////////////////////////////////
bool TF2::purge_task (const Task& task)
{
// Bail out if task is not found in this file
std::string uuid = task.get ("uuid");
if (!has (uuid))
return false;
// Mark the task to be purged
_purged_tasks.insert (uuid);
_dirty = true;
return true;
}
////////////////////////////////////////////////////////////////////////////////
void TF2::add_line (const std::string& line)
{
@ -248,7 +263,7 @@ void TF2::commit ()
if (_dirty)
{
// Special case: added but no modified means just append to the file.
if (!_modified_tasks.size () &&
if (!_modified_tasks.size () && !_purged_tasks.size () &&
(_added_tasks.size () || _added_lines.size ()))
{
if (_file.open ())
@ -284,6 +299,8 @@ void TF2::commit ()
// Only write out _tasks, because any deltas have already been applied.
_file.append (std::string("")); // Seek to end of file
for (auto& task : _tasks)
// Skip over the tasks that are marked to be purged
if (_purged_tasks.find (task.get ("uuid")) == _purged_tasks.end ())
_file.write_raw (task.composeF4 () + "\n");
// Write out all the added lines.
@ -492,6 +509,7 @@ void TF2::clear ()
_tasks.clear ();
_added_tasks.clear ();
_modified_tasks.clear ();
_purged_tasks.clear ();
_lines.clear ();
_added_lines.clear ();
_I2U.clear ();
@ -565,17 +583,19 @@ const std::string TF2::dump ()
std::string tasks = green.colorize (rightJustifyZero ((int) _tasks.size (), 4));
std::string tasks_added = red.colorize (rightJustifyZero ((int) _added_tasks.size (), 3));
std::string tasks_modified = yellow.colorize (rightJustifyZero ((int) _modified_tasks.size (), 3));
std::string tasks_purged = red.colorize (rightJustifyZero ((int) _purged_tasks.size (), 3));
std::string lines = green.colorize (rightJustifyZero ((int) _lines.size (), 4));
std::string lines_added = red.colorize (rightJustifyZero ((int) _added_lines.size (), 3));
char buffer[256]; // Composed string is actually 246 bytes. Yikes.
snprintf (buffer, 256, "%14s %s %s T%s+%s~%s L%s+%s",
snprintf (buffer, 256, "%14s %s %s T%s+%s~%s-%s L%s+%s",
label.c_str (),
mode.c_str (),
hygiene.c_str (),
tasks.c_str (),
tasks_added.c_str (),
tasks_modified.c_str (),
tasks_purged.c_str (),
lines.c_str (),
lines_added.c_str ());
@ -649,6 +669,13 @@ void TDB2::modify (Task& task, bool add_to_backlog /* = true */)
update (task, add_to_backlog);
}
////////////////////////////////////////////////////////////////////////////////
void TDB2::purge (Task& task)
{
// Delete the task from completed.data
completed.purge_task (task);
}
////////////////////////////////////////////////////////////////////////////////
void TDB2::update (
Task& task,

4
src/TDB2.h
View file

@ -28,6 +28,7 @@
#define INCLUDED_TDB2
#include <map>
#include <unordered_set>
#include <unordered_map>
#include <vector>
#include <string>
@ -54,6 +55,7 @@ public:
void add_task (Task&);
bool modify_task (const Task&);
bool purge_task (const Task&);
void add_line (const std::string&);
void clear_tasks ();
void clear_lines ();
@ -90,6 +92,7 @@ public:
std::vector <Task> _added_tasks;
std::vector <Task> _modified_tasks;
std::unordered_set <std::string> _purged_tasks;
std::vector <std::string> _lines;
std::vector <std::string> _added_lines;
File _file;
@ -110,6 +113,7 @@ public:
void set_location (const std::string&);
void add (Task&, bool add_to_backlog = true);
void modify (Task&, bool add_to_backlog = true);
void purge (Task&);
void commit ();
void get_changes (std::vector <Task>&);
void revert ();