4 files changed, 40 insertions, 13 deletions
diff --git a/src/gui/tasks/duration.py b/src/gui/tasks/duration.py
new file mode 100644
index 0000000..d1b7106
--- /dev/null
+++ b/src/gui/tasks/duration.py
@@ -0,0 +1,31 @@
+import re
+from typing import Optional
+import math
+
+def format(minutes: int):
+    if minutes >= 60 * 24:
+        return '' + str(math.floor(minutes / 60 / 24)) + 'd'
+    elif minutes >= 60:
+        return '' + str(math.floor(minutes / 60)) + 'h'
+    elif minutes > 0:
+        return '' + str(minutes) + 'm'
+    else:
+        return ''
+
+def parse(duration: str) -> Optional[int]:
+    duration = duration.strip()
+    if duration:
+        result = re.match('^(\d+)([mhd])$', duration.strip())
+        if result:
+            n = int(result.group(1))
+            unit = result.group(2)
+            if unit == 'm':
+                return n
+            elif unit == 'h':
+                return n * 60
+            elif unit == 'd':
+                return n * 60 * 24
+        else:
+            return None
+    else:
+        return 0
diff --git a/src/gui/tasks/form/state.py b/src/gui/tasks/form/state.py
index a47aec7..12ffe36 100644
--- a/src/gui/tasks/form/state.py
+++ b/src/gui/tasks/form/state.py
@@ -1,7 +1,9 @@
+import re
 from PyQt5 import QtCore
 from typing import NamedTuple, Optional
 
 from model.task import ValidTaskForm
+import gui.tasks.duration
 
 class TaskFormEdition:
     def __init__(self, name, name_signal, duration, duration_signal, tag, tag_signal):
@@ -15,13 +17,13 @@ class TaskFormEdition:
 
     def get(self) -> Optional[ValidTaskForm]:
         name = self._name.strip()
-        duration = self._duration.strip()
+        duration = gui.tasks.duration.parse(self._duration)
         tag = self._tag.strip()
 
-        if name and (duration == '' or duration.isdigit()):
+        if name and duration != None:
             return ValidTaskForm(
                 name = name,
-                duration = 0 if duration == '' else int(duration),
+                duration = duration,
                 tag = tag)
         else:
             return None
diff --git a/src/gui/tasks/form/widget.py b/src/gui/tasks/form/widget.py
index 8063d8d..6421747 100644
--- a/src/gui/tasks/form/widget.py
+++ b/src/gui/tasks/form/widget.py
@@ -6,6 +6,7 @@ from model.task import Task, ValidTaskForm
 
 import gui.icons
 import gui.tasks.form.state
+import gui.tasks.duration
 
 def widget(
         parent: QtWidgets.QWidget,
@@ -22,7 +23,7 @@ def widget(
     (name_labelled_input, name_input) = labelled_input(widget, 'Name', init_name)
     layout.addWidget(name_labelled_input)
 
-    init_duration = str(task.duration) if task is not None else ''
+    init_duration = gui.tasks.duration.format(task.duration) if task is not None else ''
     (duration_labelled_input, duration_input) = labelled_input(widget, 'Duration', init_duration)
     layout.addWidget(duration_labelled_input)
 
diff --git a/src/gui/tasks/table/model.py b/src/gui/tasks/table/model.py
index 6b8133d..cb25b22 100644
--- a/src/gui/tasks/table/model.py
+++ b/src/gui/tasks/table/model.py
@@ -6,6 +6,7 @@ import time
 import math
 import util.array
 import util.range
+import gui.tasks.duration
 
 columns = 4
 
@@ -34,7 +35,7 @@ class TableModel(QtCore.QAbstractTableModel):
             elif index.column() == 1:
                 return task.name
             elif index.column() == 2:
-                return pp_duration(task.duration)
+                return gui.tasks.duration.format(task.duration)
             elif index.column() == 3:
                 return task.tag
         else:
@@ -103,14 +104,6 @@ def age_since(timestamp):
     else:
         return '1m'
 
-def pp_duration(minutes: int):
-    if minutes >= 60 * 24:
-        return '' + str(math.floor(minutes / 60 / 24)) + 'd'
-    elif minutes >= 60:
-        return '' + str(math.floor(minutes / 60)) + 'h'
-    else:
-        return '' + str(minutes) + 'm'
-
 def sort_key(task: Task, row: int):
     if row == 0:
         return task.created_at