1 files changed, 188 insertions, 5 deletions
diff --git a/time2tex.py b/time2tex.py
index 3244b8f..fe3091f 100755
--- a/time2tex.py
+++ b/time2tex.py
@@ -1,17 +1,200 @@
 #!/bin/python3
 import sys
+from datetime import datetime, timedelta
 
+def fmt_duration(sec):
+  mins = (sec + 59) // 60 # integer divide, round up
+  out = []
 
-if __name__ == "__main__":
-  if len(sys.argv) != 2:
-    print("usage: time2tex <input>")
-    exit(1)
+  if mins == 0:
+    return "--"
+
+  hour = mins // 60
+  if hour > 0:
+    out.append("%02dh" % (hour, ))
+    mins = mins % 60
+
+  out.append("%02dm" % (mins, ))
+
+  return "\\,".join(out)
+
+def fmt_percentage(fac):
+  return f"{{\\footnotesize\\itshape({round(fac * 100)}\\%)}}"
+
+def fmt_member_overview(times):
+  # calculations
+  out = ""
+  members = {}
+  total_time = 0
+  for time in times:
+    if not time["name"] in members:
+      members[time["name"]] = 0
+    members[time["name"]] += time["duration"]
+    total_time += time["duration"]
+
+  # begin table
+  out += r"\begin{table}\centering"
+  out += r"\begin{tabular}{lr@{~}l}\toprule"
+  out += r"\textbf{Member} & \textbf{Tracked} &\\\midrule{}"
+
+  # member overview
+  for name, tracked in members.items():
+    out += f"{name} & {fmt_duration(tracked)} & {fmt_percentage(tracked / total_time)}\\\\"
+  out += r"\midrule{}"
+
+  # sum
+  out += f"&{fmt_duration(total_time)}&\\\\"
+
+  # end table
+  out += r"\bottomrule\end{tabular}"
+  out += r"\caption{Tracked time per group member}\label{tab:time-member}"
+  out += r"\end{table}"
+
+  return out
+
+def fmt_weekly_overview(times):
+  # calculations
+  out = ""
+  weeks = []
+  member_totals = {}
+  total_time = sum(time["duration"] for time in times)
+  members = list(set(time["name"] for time in times))
+  time_start = min(time["date"] for time in times)
+  time_end = max(time["date"] for time in times)
+  week_start = time_start - timedelta(days=time_start.weekday()) # round down to nearest monday
+  week_end = time_end + timedelta(days=7-time_end.weekday())
+
+  week = week_start
+  week_num = 1
+  while week < week_end:
+    week_times = [time for time in times if time["date"] >= week and time["date"] < (week + timedelta(days=7))]
+
+    week_entry = {
+      "num": week_num,
+      "members": {},
+      "total": sum(time["duration"] for time in week_times)
+    }
+
+    for member in members:
+      week_entry["members"][member] = sum(time["duration"] for time in week_times if time["name"] == member)
+
+    weeks.append(week_entry)
+    week_num += 1
+    week += timedelta(days=7)
+  for member in members:
+    member_totals[member] = sum(time["duration"] for time in times if time["name"] == member)
 
+  # begin table
+  out += r"\begin{table}\centering"
+  out += f"\\begin{{tabular}}{{l{'r@{~}l' * len(members)}@{{\\qquad}}r}}\\toprule"
+  out += r"\textbf{\#}"
+  for member in members:
+    out += f"&\\textbf{{{member}}}&"
+  out += r"&\textbf{Subtotal}\\\midrule{}"
+
+  for entry in weeks:
+    out += f"{entry['num']}"
+    for member in members:
+      out += f"&{fmt_duration(entry['members'][member])}&{fmt_percentage(entry['members'][member] / entry['total'])}"
+    out += f"&{fmt_duration(entry['total'])}\\\\"
+
+  out += r"\midrule{}"
+  for member in members:
+    out += f"&{fmt_duration(member_totals[member])}&{fmt_percentage(member_totals[member] / total_time)}"
+  out += f"&{fmt_duration(total_time)}\\\\"
+
+  # end table
+  out += r"\bottomrule\end{tabular}"
+  out += r"\caption{Tracked time per week}\label{tab:time-weekly}"
+  out += r"\end{table}"
+
+  return out
+
+def duration2secs(duration):
+  out = 0 # output (seconds)
+  cur = 0 # current figure (unknown)
+  for c in duration:
+    if c.isdigit():
+      cur = cur * 10 + int(c)
+      continue
+    if c == "h":
+      out += cur * 3600
+      cur = 0
+      continue
+    if c == "m":
+      out += cur * 60
+      cur = 0
+      continue
+    if c == "s":
+      out += cur * 1
+      cur = 0
+      continue
+
+    raise Exception("invalid duration format")
+  if cur != 0: raise Exception("invalid duration format")
+  return out
+
+def line2data(line):
+  # parse fields from input string
+  data = {}
+  next = line.find(':')
+  data["name"] = line[0:next].strip()
+  line = line[next+1:].strip()
+  next = line.find(' ')
+  data["date"] = line[0:next].strip()
+  line = line[next+1:].strip()
+  next = line.find(' ')
+  data["duration"] = line[0:next].strip()
+  line = line[next+1:].strip()
+  data["description"] = line
+
+  # deserialize parsed fields
+  data["name"] = data["name"].title()
+  data["date"] = datetime.strptime(data["date"], '%Y-%m-%d')
+  data["duration"] = duration2secs(data["duration"])
+  data["description"] = [el.strip() for el in data["description"].split("::")]
+
+  return data
+
+def parse(content):
+  # split content at newlines
+  lines = content.split("\n")
+  out = []
+  for i, line in enumerate(lines):
+    line = line.strip()
+    if line.startswith("#"): continue
+    if len(line) == 0: continue
+
+    try: out.append(line2data(line))
+    except Exception as e: raise Exception(f"line {i+1}: {e}")
+  return out
+
+def fmt(times):
+  # TODO: Task overview
+  print(f"""
+\\section{{Overviews}}\n
+\\subsection{{Members}}\n
+{fmt_member_overview(times)}
+\\subsection{{Weekly}}\n
+{fmt_weekly_overview(times)}
+""")
+
+def main():
   input_file = sys.argv[1]
   content = ""
   with open(input_file, "r") as file:
     content = file.read()
-  parsed = parse(content)
 
+  try: parsed = parse(content)
+  except Exception as e:
+    print(f"{input_file}: {e}")
+    exit(1)
+
+  fmt(parsed)
 
+if __name__ == "__main__":
+  if len(sys.argv) != 2:
+    print("usage: time2tex <input>")
+    exit(1)
+  main()