[work] Fixed parsing for arbitrary pauses

bin/work

@@ -164,9 +164,9 @@ def work_end(args):
     if not fields:
         die("Why try to leave when you haven't even started")
     fields.append(hour)
-    # Test for even number of timestamp (but fields[0] is the date)
     if len(fields) < 3:
         die("not enough fields in {}".format(TODAY_FILE))
+    # Test for even number of timestamp (but fields[0] is the date)
     elif len(fields) % 2 == 0:
         die("odd number of timestamps in {}".format(TODAY_FILE))
     begin_time = None
@@ -215,20 +215,33 @@ def work_parse(args):
                 if len(fields) < 6:
                     log("Record: '{}' hasn't got enough fields ({})".format(line, len(fields)))
                     continue
-                morning = datetime.strptime(fields[1], "%H:%M")
-                break_start = datetime.strptime(fields[2], "%H:%M")
-                break_end = datetime.strptime(fields[3], "%H:%M")
-                evening = datetime.strptime(fields[4], "%H:%M")
-                break_time = break_end - break_start
+                times = []
+                for field in fields[1:]:
+                    try:
+                        time = datetime.strptime(field, "%H:%M")
+                        times.append(time)
+                    except ValueError:
+                        break
+                if len(times) % 2 != 0:
+                    die("Error: uneven number of timestamps ({}) in line '{}'".format(len(times), line))
+
+                desc = ','.join(fields[len(times)+1:]).strip()
+
+                worked_time = timedelta()
+                for i in range(int(len(times) / 2)):
+                    worked_time += times[i * 2 + 1] - times[i * 2]
+
+                morning = times[0]
+                evening = times[-1]
                 full_day = evening - morning
-                work_day = full_day - break_time
+                break_time = full_day - worked_time
                 new_lines.append('{},{},{},{},{},{}'.format(
                     fields[0],
                     morning.strftime("%H:%M"),
                     evening.strftime("%H:%M"),
                     td_format(break_time),
-                    td_format(work_day),
-                    "".join(fields[5:]).strip()))
+                    td_format(worked_time),
+                    desc))
     except FileNotFoundError:
         die("file not found: {}".format(args.file))
     # TODO do sanity checking, like if a day already exists