plomlompom.com Git - misc/blob - todo.py

   1 from plomlib import PlomDB, run_server, PlomHandler, PlomException
   2 import json
   3 from uuid import uuid4
   4 from datetime import datetime, timedelta
   5 from urllib.parse import parse_qs
   6 from jinja2 import Template
   7 from urllib.parse import urlparse
   8 db_path = '/home/plom/org/todo_new.json'
   9 # db_path = '/home/plom/public_repos/misc/todo_new.json'
  10 server_port = 8082
  11 DATE_FORMAT = '%Y-%m-%d'
  12
  13 html_head = """
  14 <style>
  15 body { font-family: monospace; }
  16 table.alternating tr:nth-child(even) {
  17     background-color: #f2f2f2;
  18 }
  19 table.alternating tr:nth-child(odd) {
  20     background-color: #ffffff;
  21 }
  22 th, td { text-align: left; vertical_align: top; border-bottom: 1px dotted black; }
  23 td details { display: inline }
  24 td.input { width: 100%; }
  25 td.number { text-align: right; }
  26 td.checkbox { width: 0.1em; height: 0.1em; padding: 0em; text-align: center; }
  27 tr.week_row td { height: 0.1em; border: 0px; background-color: black; }
  28 tr.day_row td { background-color: #f2f2f2 }
  29 input { font-family: monospace; padding: 0em; margin: 0em; }
  30 input[type="number"] { font-family: monospace; text-align: right; }
  31 input[type="text"] { width: 100%; box-sizing: border-box; }
  32 </style>
  33 <body>
  34 tasks: <a href="{{db.prefix}}/tasks">list</a> <a href="{{db.prefix}}/add_task">add</a> | day:
  35 <a href="{{db.prefix}}/day{% if date %}?date={{date}}{% endif %}">choose tasks</a>
  36 <a href="{{db.prefix}}/day?{% if date %}date={{date}}&{% endif %}hide_unchosen=1&hide_done=1">do tasks</a>
  37 | <a href="{{db.prefix}}/calendar?t_and=calendar">calendar</a>
  38 <hr />
  39 """
  40 form_footer = '\n</form>'
  41 form_header_tmpl = """
  42 <form action="{{action|e}}" method="POST">
  43 """
  44 calendar_tmpl = """
  45 <p>
  46 from: <input name="start" {% if start_date %}value="{{ start_date }}"{% endif %} placeholder="{{ today }}" />
  47 to: <input name="end" {% if end_date %}value="{{ end_date }}"{% endif %} placeholder="2030-12-31" />
  48 <input type="submit" value="OK" />
  49 </p>
  50 <table>
  51 {% for date, day in days.items() | sort() %}
  52 {% if day.weekday == "Mo" %}<tr class="week_row"><td colspan=3></td></tr>{% endif %}
  53 <tr class="day_row"><td colspan=3><a href="{{db.prefix}}/day?date={{date}}&hide_unchosen=1">{{ day.weekday }} {{ date }}</a> |{{ '%04.1f' % day.todos_sum|round(2) }}| {{ day.comment|e }}</td></tr>
  54 {% for task, todo in day.todos.items() | sort(attribute='1.title', reverse=True)  %}
  55 {% if todo.visible %}
  56 <tr><td class="checkbox">{% if todo.done %}✓{% else %}&nbsp;&nbsp;{% endif %}</td><td><a href="{{db.prefix}}/todo?task={{ todo.task.id_ }}&date={{ date }}">{{ todo.title }}</a></td><td>{{ todo.comment|e }}</td></tr>
  57 {% endif %}
  58 {% endfor %}
  59 {% endfor %}
  60 </table>
  61 """
  62 todo_tmpl = """
  63 <input type="hidden" name="task_uuid" value="{{ todo.task.id_ }}" />
  64 <input type="hidden" name="date" value="{{ todo.day.date }}" />
  65 <table>
  66 <tr><th>task</th><td><a href="{{db.prefix}}/task?id={{ todo.task.id_ }}">{{ todo.task.title|e }}</a></td></tr>
  67 <tr><th>default weight</th><td>{{ todo.default_weight }}</td></tr>
  68 <tr><th>day</th><td>{{ todo.day.date }}</td></tr>
  69 <tr><th>day weight</th><td class="input"><input type="number" name="day_weight" step=0.1 size=8 value="{{ todo.day_weight }}" /></td></tr>
  70 <tr><th>comment</th><td class="input"><input type="text" name="comment" value="{{todo.comment|e}}" /></td></tr>
  71 <tr><th>done</th><td class="input"><input type="checkbox" name="done" {% if todo.done %}checked{% endif %}/></td></tr>
  72 </table>
  73 <input type="submit" value="update" />
  74 """
  75 task_tmpl = """
  76 <input type="hidden" name="id" value="{{ task.id_ }}" />
  77 <table>
  78 <tr><th>title</th><td class="input"><input name="title" type="text" value="{{ task.title|e }}" /><details><summary>history</summary><ul>{% for k,v in task.title_history.items() | sort(attribute='0', reverse=True) %}<li>{{ k }}: {{ v|e }}{% endfor %}</ul></details></td></tr>
  79 <tr><th>default weight</th><td class="input"><input type="number" name="default_weight" value="{{ task.default_weight }}" step=0.1 size=8 required /><details><summary>history</summary><ul>{% for k,v in task.default_weight_history.items() | sort(attribute='0', reverse=True) %}<li>{{ k }}: {{ v|e }}{% endfor %}</ul></details></td></tr>
  80 <tr><th>tags</th><td class="input"><input name="tags" type="text" value="{{ task.tags_joined|e }}" ><details><summary>history</summary><ul>{% for k,v in task.tags_history.items() | sort(attribute='0', reverse=True) %}<li>{{ k }}: {{ v|e }}{% endfor %}</ul></details></td></tr>
  81 </table>
  82 <input type="submit" value="update" />
  83 """
  84 day_tmpl = """
  85 <p>
  86 <input name="hide_unchosen" type="checkbox" {% if db.hide_unchosen %}checked{% endif %} /> hide unchosen <input name="hide_done" type="checkbox" {% if db.hide_done %}checked{% endif %} /> hide done |
  87 <a href="{{db.prefix}}/day?date={{prev_date}}{% if db.hide_unchosen %}&hide_unchosen=1{% endif %}{% if db.hide_done %}&hide_done=1{% endif %}">prev</a> <a href="{{db.prefix}}/day?date={{next_date}}{% if db.hide_unchosen %}&hide_unchosen=1{% endif %}{% if db.hide_done %}&hide_done=1{% endif %}">next</a> |
  88 <input type="hidden" name="original_selected_date" value="{{ db.selected_date }}" />
  89 date: <input name="new_selected_date" value="{{ db.selected_date }}" size=10 /> |
  90 {{ db.selected_day.todos_sum|round(2) }} ({{ db.selected_day.todos_sum2|round(2)}}) |
  91 comment: <input name="day_comment" value="{{ db.selected_day.comment|e }}">
  92 </p>
  93
  94 <table class="alternating">
  95 <tr><th>task</th><th class="checkbox">choose?</th><th class="checkbox">done?</th><th>weight</th><th>comment</th></tr>
  96 {% for uuid, t in db.tasks.items() | sort(attribute='1.title') %}
  97 {% if t.visible %}
  98 <tr>
  99 <input name="t_uuid" value="{{ uuid }}" type="hidden" >
 100 <td><details><summary>] <a href="{{db.prefix}}/task?id={{ uuid }}" />{{ t.current_title|e }}</a></summary>tags: {% for tag in t.tags | sort %}<a href="{{db.prefix}}/day?date={{ db.selected_date }}&t_and={{tag|e}}">{{ tag }}</a> {% endfor %}</details></td>
 101 <td class="checkbox"><input name="choose" type="checkbox" value="{{ uuid }}" {% if uuid in db.selected_day.todos.keys() %}checked{% endif %} ></td>
 102 <td class="checkbox"><input name="done" type="checkbox" value="{{ uuid }}" {% if uuid in db.selected_day.todos.keys() and db.selected_day.todos[uuid].done %}checked{% endif %} ></td>
 103 <td class="checkbox"><input name="day_weight" type="number" step=0.1 size=8 value="{% if uuid in db.selected_day.todos.keys() and db.selected_day.todos[uuid].day_weight %}{{ db.selected_day.todos[uuid].day_weight }}{% endif %}" placeholder={{ t.current_default_weight }} ></td>
 104 <td type="input"><input name="todo_comment" type="text" value="{% if uuid in db.selected_day.todos.keys() %}{{ db.selected_day.todos[uuid].comment|e }}{% endif %}" ></td>
 105 </tr>
 106 {% endif %}
 107 {% endfor %}
 108 </table>
 109 <input type="submit" value="OK">
 110 """
 111 tag_filters_tmpl = """
 112 <p style="float: left; margin-right: 1em;">
 113 <input type="submit" value="OK">
 114 </p>
 115 <p>
 116 mandatory tags:
 117 {% for and_filter in db.t_filter_and %}
 118 <select name="t_and">
 119 <option></option>
 120 {% for tag in db.t_tags | sort %}
 121 <option value="{{tag|e}}" {% if and_filter == tag %}selected{% endif %}>{{tag|e}}</option>
 122 {% endfor %}
 123 </select>
 124 {% endfor %}
 125 <select name="t_and">
 126 <option></option>
 127 {% for tag in db.t_tags | sort %}
 128 <option value="{{tag|e}}">{{tag|e}}</option>
 129 {% endfor %}
 130 </select>
 131 <br />
 132 forbidden tags:
 133 {% for not_filter in db.t_filter_not %}
 134 <select name="t_not">
 135 <option></option>
 136 {% for tag in db.t_tags | sort %}
 137 <option value="{{tag|e}}" {% if not_filter == tag %}selected{% endif %}>{{tag|e}}</option>
 138 {% endfor %}
 139 </select>
 140 {% endfor %}
 141 <select name="t_not">
 142 <option></option>
 143 {% for tag in db.t_tags | sort %}
 144 <option value="{{tag|e}}">{{tag|e}}</option>
 145 {% endfor %}
 146 </select>
 147 </p>
 148 """
 149 tasks_tmpl = """
 150 <table class="alternating">
 151 <tr><th>default<br />weight</th><th>task</th><th>tags</th></tr>
 152 {% for uuid, t in db.tasks.items() | sort(attribute='1.title') %}
 153 {% if t.visible %}
 154 <tr>
 155 <td class="number">{{ t.default_weight }}</a></td>
 156 <td><a href="{{db.prefix}}/task?id={{ uuid }}" />{{ t.title|e }}</a></td>
 157 <td>{% for tag in t.tags | sort %}<a href="{{db.prefix}}/tags?t_and={{tag|e}}">{{ tag }}</a> {% endfor %}</td>
 158 {% endif %}
 159 {% endfor %}
 160 </table>
 161 """
 162
 163 class Task:
 164
 165     def __init__(self, db, title_history=None, tags_history=None, default_weight_history=None):
 166         self.db = db
 167         self.title_history = title_history if title_history else {}
 168         self.tags_history = tags_history if tags_history else {}
 169         self.default_weight_history = default_weight_history if default_weight_history else {}
 170         self.visible = True
 171
 172     def _set_with_history(self, history, value):
 173         keys = sorted(history.keys())
 174         if len(history) == 0 or value != history[keys[-1]]:
 175             history[str(datetime.now())[:19]] = value
 176
 177     def _last_of_history(self, history, default):
 178         keys = sorted(history.keys())
 179         return default if 0 == len(history) else history[keys[-1]]
 180
 181     @classmethod
 182     def from_dict(cls, db, d):
 183         return cls(
 184                 db,
 185                 d['title_history'],
 186                 {k: set(v) for k, v in d['tags_history'].items()},
 187                 d['default_weight_history'])
 188
 189     @property
 190     def default_weight(self):
 191         return self._last_of_history(self.default_weight_history, 1)
 192
 193     @default_weight.setter
 194     def default_weight(self, default_weight):
 195         self._set_with_history(self.default_weight_history, default_weight)
 196
 197     def default_weight_at(self, queried_date):
 198         ret = self.default_weight_history[sorted(self.default_weight_history.keys())[0]]
 199         for date_key, default_weight in self.default_weight_history.items():
 200             if date_key > f'{queried_date} 23:59:59':
 201                 break
 202             ret = default_weight
 203         return ret
 204
 205     @property
 206     def current_default_weight(self):
 207         return self.default_weight_at(self.db.selected_date)
 208
 209     @property
 210     def title(self):
 211         return self._last_of_history(self.title_history, '')
 212
 213     @title.setter
 214     def title(self, title):
 215         self._set_with_history(self.title_history, title)
 216
 217     def title_at(self, queried_date):
 218         ret = self.title_history[sorted(self.title_history.keys())[0]]
 219         for date_key, title in self.title_history.items():
 220             if date_key > f'{queried_date} 23:59:59':
 221                 break
 222             ret = title
 223         return ret
 224
 225     @property
 226     def current_title(self):
 227         return self.title_at(self.db.selected_date)
 228
 229     @property
 230     def tags(self):
 231         return self._last_of_history(self.tags_history, set())
 232
 233     @tags.setter
 234     def tags(self, tags):
 235         self._set_with_history(self.tags_history, set(tags))
 236
 237     @property
 238     def tags_joined(self):
 239         return ';'.join(sorted(list(self.tags)))
 240
 241     @tags_joined.setter
 242     def tags_joined(self, tags_string):
 243         tags = set()
 244         for tag in [tag.strip() for tag in tags_string.split(';') if tag.strip() != '']:
 245             tags.add(tag)
 246         self.tags = tags
 247
 248     def to_dict(self):
 249         return {
 250             'title_history': self.title_history,
 251             'tags_history': {k: list(v) for k,v in self.tags_history.items()},
 252             'default_weight_history': self.default_weight_history}
 253
 254     @property
 255     def id_(self):
 256         for k, v in self.db.tasks.items():
 257             if v == self:
 258                 return k
 259
 260
 261 class Day:
 262
 263     def __init__(self, db, todos=None, comment=''):
 264         self.db = db
 265         self.todos = todos if todos else {}
 266         self.comment = comment
 267         self.archived = True
 268
 269     @classmethod
 270     def from_dict(cls, db, d):
 271         todos = {}
 272         comment = d['comment'] if 'comment' in d.keys() else ''
 273         day = cls(db, todos, comment)
 274         for uuid, todo_dict in d['todos'].items():
 275             day.add_todo(uuid, todo_dict)
 276         return day
 277
 278     def to_dict(self):
 279         d = {'comment': self.comment, 'todos': {}}
 280         for task_uuid, todo in self.todos.items():
 281             d['todos'][task_uuid] = todo.to_dict()
 282         return d
 283
 284     def add_todo(self, id_, dict_source=None):
 285         self.todos[id_] = Todo.from_dict(self, dict_source) if dict_source else Todo(self)
 286         return self.todos[id_]
 287
 288     def _todos_sum(self, include_undone=False):
 289         s = 0
 290         for todo in [todo for todo in self.todos.values() if todo.done]:
 291             s += todo.weight
 292         if include_undone:
 293             for todo in [todo for todo in self.todos.values() if not todo.done]:
 294                 s += todo.day_weight if todo.day_weight else 0
 295         return s
 296
 297     @property
 298     def todos_sum(self):
 299         return self._todos_sum()
 300
 301     @property
 302     def todos_sum2(self):
 303         return self._todos_sum(True)
 304
 305     @property
 306     def date(self):
 307         for k, v in self.db.days.items():
 308             if v == self:
 309                 return k
 310
 311 class Todo:
 312
 313     def __init__(self, day, done=False, day_weight=None, comment=''):
 314         self.day = day
 315         self.done = done
 316         self.day_weight = day_weight
 317         self.comment = comment
 318
 319     @classmethod
 320     def from_dict(cls, day, d):
 321         return cls(day, d['done'], d['day_weight'], d['comment'])
 322
 323     def to_dict(self):
 324         return {'done': self.done, 'day_weight': self.day_weight, 'comment': self.comment}
 325
 326     @property
 327     def default_weight(self):
 328         return self.task.default_weight_at(self.day.date)
 329
 330     @property
 331     def weight(self):
 332         if self.day_weight:
 333             return self.day_weight
 334         else:
 335             return self.day_weight if self.day_weight else self.default_weight
 336
 337     @property
 338     def task(self):
 339         for k, v in self.day.todos.items():
 340             if v == self:
 341                 return self.day.db.tasks[k]
 342
 343     @property
 344     def title(self):
 345         return self.task.title_at(self.day.date)
 346
 347
 348 class TodoDB(PlomDB):
 349
 350     def __init__(self, prefix, selected_date=None, t_filter_and = None, t_filter_not = None, hide_unchosen=False, hide_done=False):
 351         self.prefix = prefix
 352         self.selected_date = selected_date if selected_date else str(datetime.now())[:10]
 353         self.t_filter_and = t_filter_and if t_filter_and else []
 354         self.t_filter_not = t_filter_not if t_filter_not else []
 355         self.hide_unchosen = hide_unchosen
 356         self.hide_done = hide_done
 357         self.days = {}
 358         self.tasks = {}
 359         self.t_tags = set()
 360         super().__init__(db_path)
 361
 362     def read_db_file(self, f):
 363         d = json.load(f)
 364         for date, day_dict in d['days'].items():
 365             self.days[date] = self.add_day(dict_source=day_dict)
 366         for uuid, t_dict in d['tasks'].items():
 367             t = self.add_task(id_=uuid, dict_source=t_dict)
 368             t.visible = len([tag for tag in self.t_filter_and if not tag in t.tags]) == 0\
 369                     and len([tag for tag in self.t_filter_not if tag in t.tags]) == 0\
 370                     and ((not self.hide_unchosen) or uuid in self.selected_day.todos)\
 371                     and ((not self.hide_done) or (uuid in self.selected_day.todos and not self.selected_day.todos[uuid].done))
 372             for tag in t.tags:
 373                 self.t_tags.add(tag)
 374
 375     def to_dict(self):
 376         d = {
 377                 't_filter_and': self.t_filter_and,
 378                 't_filter_not': self.t_filter_not,
 379                 'tasks': {},
 380                 'days': {}
 381         }
 382         for uuid, t in self.tasks.items():
 383              d['tasks'][uuid] = t.to_dict()
 384         for date, day in self.days.items():
 385             d['days'][date] = day.to_dict()
 386         return d
 387
 388     @property
 389     def selected_day(self):
 390         if not self.selected_date in self.days.keys():
 391             self.days[self.selected_date] = self.add_day()
 392         return self.days[self.selected_date]
 393
 394     def change_selected_days_date(self, new_date):
 395         if new_date in self.days.keys():
 396             raise PlomException('cannot use same date twice')
 397         else:
 398             self.days[new_date] = self.selected_day
 399             del self.days[self.selected_date]
 400             self.selected_date = new_date
 401
 402     def write(self):
 403         dates_to_purge = []
 404         for date, day in self.days.items():
 405             if len(day.todos) == 0 and len(day.comment) == 0:
 406                 dates_to_purge += [date]
 407         for date in dates_to_purge:
 408             del self.days[date]
 409         self.write_text_to_db(json.dumps(self.to_dict()))
 410
 411     def add_task(self, id_=None, dict_source=None, return_id=False):
 412         t = Task.from_dict(self, dict_source) if dict_source else Task(self)
 413         id_ = id_ if id_ else str(uuid4())
 414         self.tasks[id_] = t
 415         if return_id:
 416             return id_, t
 417         else:
 418             return t
 419
 420     def add_day(self, dict_source=None):
 421         return Day.from_dict(self, dict_source) if dict_source else Day(self)
 422
 423     def show_day(self):
 424         current_date = datetime.strptime(self.selected_date, DATE_FORMAT)
 425         prev_date = current_date - timedelta(days=1)
 426         prev_date_str = prev_date.strftime(DATE_FORMAT)
 427         next_date = current_date + timedelta(days=1)
 428         next_date_str = next_date.strftime(DATE_FORMAT)
 429         return Template(form_header_tmpl + tag_filters_tmpl + day_tmpl + form_footer).render(db=self, action=self.prefix+'/day', prev_date=prev_date_str, next_date=next_date_str)
 430
 431     def show_calendar(self, start_date_str, end_date_str):
 432         days_to_show = {}
 433         target_start = start_date_str if start_date_str else sorted(self.days.keys())[0]
 434         # target_start = str(datetime.now())[:10] if 'today' == target_start else target_start
 435         target_end = end_date_str if end_date_str else sorted(self.days.keys())[-1]
 436         # todays_date = str(datetime.now())[:10]
 437         start_date = datetime.strptime(target_start, DATE_FORMAT)
 438         end_date = datetime.strptime(target_end, DATE_FORMAT)
 439         for n in range(int((end_date - start_date).days) + 1):
 440             current_date_obj = start_date + timedelta(n)
 441             current_date = current_date_obj.strftime(DATE_FORMAT)
 442             if current_date not in self.days.keys():
 443                 days_to_show[current_date] = self.add_day()
 444             else:
 445                 days_to_show[current_date] = self.days[current_date]
 446             days_to_show[current_date].weekday = datetime.strptime(current_date, DATE_FORMAT).strftime('%A')[:2]
 447             for task_uuid, todo in days_to_show[current_date].todos.items():
 448                 todo.visible = self.tasks[task_uuid].visible
 449         return Template(form_header_tmpl + calendar_tmpl + form_footer).render(db=self, days=days_to_show, action=self.prefix+'/calendar', today=str(datetime.now())[:10], start_date=start_date_str, end_date=end_date_str)
 450
 451     def show_todo(self, task_uuid, selected_date):
 452         todo = self.days[selected_date].todos[task_uuid]
 453         return Template(form_header_tmpl + todo_tmpl + form_footer).render(db=self, todo=todo, action=self.prefix+'/todo')
 454
 455     def update_todo(self, task_uuid, date, day_weight, done, comment):
 456         if task_uuid in self.days[date].todos.keys():
 457             todo = self.days[date].todos[task_uuid]
 458         else:
 459             todo = self.days[date].add_todo(task_uuid)
 460         todo.day_weight = float(day_weight) if len(day_weight) > 0 else None
 461         todo.done = done
 462         todo.comment = comment
 463
 464     def show_task(self, id_):
 465         task = self.tasks[id_] if id_ else self.add_task()
 466         return Template(form_header_tmpl + task_tmpl + form_footer).render(db=self, task=task, action=self.prefix+'/task')
 467
 468     def update_task(self, id_, title, default_weight, tags_joined):
 469         task = self.tasks[id_] if id_ in self.tasks.keys() else self.add_task(id_)
 470         task.title = title
 471         task.default_weight = float(default_weight) if len(default_weight) > 0 else None
 472         task.tags_joined = tags_joined
 473
 474     def show_tasks(self):
 475         return Template(form_header_tmpl + tag_filters_tmpl + tasks_tmpl + form_footer).render(db=self, action=self.prefix+'/tasks')
 476
 477
 478
 479 class TodoHandler(PlomHandler):
 480
 481     def app_init(self, handler):
 482         default_path = '/todo'
 483         handler.add_route('GET', default_path, self.show_db)
 484         handler.add_route('POST', default_path, self.write_db)
 485         return 'todo', default_path
 486
 487     def do_POST(self):
 488         self.try_do(self.write_db)
 489
 490     def write_db(self):
 491         from urllib.parse import urlencode
 492         prefix = self.apps['todo'] if hasattr(self, 'apps') else ''
 493         length = int(self.headers['content-length'])
 494         postvars = parse_qs(self.rfile.read(length).decode(), keep_blank_values=1)
 495         parsed_url = urlparse(self.path)
 496         db = TodoDB(prefix=prefix)
 497
 498         if parsed_url.path == prefix + '/calendar':
 499             start = postvars['start'][0] if len(postvars['start'][0]) > 0 else ''
 500             end = postvars['end'][0] if len(postvars['end'][0]) > 0 else ''
 501             homepage = f'{prefix}/calendar?t_and=calendar&start={start}&end={end}'
 502
 503         elif parsed_url.path == prefix + '/todo':
 504             task_uuid = postvars['task_uuid'][0]
 505             date = postvars['date'][0]
 506             db.update_todo(task_uuid, date, postvars['day_weight'][0], 'done' in postvars.keys(), postvars['comment'][0])
 507             homepage = f'{prefix}/todo?task={task_uuid}&date={date}'
 508
 509         elif parsed_url.path == prefix + '/task':
 510             id_ = postvars['id'][0]
 511             db.update_task(id_, postvars['title'][0], postvars['default_weight'][0], postvars['tags'][0])
 512             homepage = f'{prefix}/task?id={id_}'
 513
 514         elif parsed_url.path in {prefix + '/tasks', prefix + '/day'}:
 515             for target in postvars['t_and']:
 516                 if not target in db.t_filter_and:
 517                     db.t_filter_and += [target]
 518             for target in postvars['t_not']:
 519                 if not target in db.t_filter_not:
 520                     db.t_filter_not += [target]
 521             if 'hide_unchosen' in postvars.keys():
 522                 db.hide_unchosen = True
 523             if 'hide_done' in postvars.keys():
 524                 db.hide_done = True
 525             data = [('t_and', f) for f in db.t_filter_and] + [('t_not', f) for f in db.t_filter_not] + [('hide_unchosen', int(db.hide_unchosen))] + [('hide_done', int(db.hide_done))]
 526
 527             if parsed_url.path == prefix + '/tasks':
 528                 encoded_params = urlencode(data)
 529                 homepage = f'{prefix}/tasks?{encoded_params}'
 530
 531             elif parsed_url.path == prefix + '/day':
 532                 db.selected_date = postvars['original_selected_date'][0]
 533                 new_selected_date = postvars['new_selected_date'][0]
 534                 try:
 535                     datetime.strptime(new_selected_date, DATE_FORMAT)
 536                 except ValueError:
 537                     raise PlomException(f"{prefix} bad date string: {new_selected_date}")
 538                 if new_selected_date != db.selected_date:
 539                     db.change_selected_days_date(new_selected_date)
 540                 if 't_uuid' in postvars.keys():
 541                     for i, uuid in enumerate(postvars['t_uuid']):
 542                         t = db.tasks[uuid]
 543                         if uuid in db.selected_day.todos.keys() and ((not 'choose' in postvars) or uuid not in postvars['choose']):
 544                             del db.selected_day.todos[uuid]
 545                     if 'choose' in postvars.keys():
 546                         for i, uuid in enumerate(postvars['t_uuid']):
 547                             if uuid in postvars['choose']:
 548                                 done = 'done' in postvars and uuid in postvars['done']
 549                                 db.update_todo(uuid, db.selected_date, postvars['day_weight'][i], done, postvars['todo_comment'][i])
 550                 if 'day_comment' in postvars.keys():
 551                     db.selected_day.comment = postvars['day_comment'][0]
 552                 data += [('date', db.selected_date)]
 553                 encoded_params = urlencode(data)
 554                 homepage = f'{prefix}/day?{encoded_params}'
 555
 556         db.write()
 557         self.redirect(homepage)
 558
 559     def do_GET(self):
 560         self.try_do(self.show_db)
 561
 562     def show_db(self):
 563         prefix = self.apps['todo'] if hasattr(self, 'apps') else ''
 564         parsed_url = urlparse(self.path)
 565         params = parse_qs(parsed_url.query)
 566         selected_date = params.get('date', [None])[0]
 567         t_filter_and = params.get('t_and', [])
 568         t_filter_not = params.get('t_not', ['deleted'])
 569         hide_unchosen_params = params.get('hide_unchosen', [])
 570         hide_unchosen = len(hide_unchosen_params) > 0 and hide_unchosen_params[0] != '0'
 571         hide_done_params = params.get('hide_done', [])
 572         hide_done = len(hide_done_params) > 0 and hide_done_params[0] != '0'
 573         db = TodoDB(prefix, selected_date, t_filter_and, t_filter_not, hide_unchosen, hide_done)
 574         if parsed_url.path == prefix + '/day':
 575             page = db.show_day()
 576         elif parsed_url.path == prefix + '/todo':
 577             task_uuid = params.get('task', [None])[0]
 578             page = db.show_todo(task_uuid, selected_date)
 579         elif parsed_url.path == prefix + '/task':
 580             id_ = params.get('id', [None])[0]
 581             page = db.show_task(id_)
 582         elif parsed_url.path == prefix + '/tasks':
 583             page = db.show_tasks()
 584         elif parsed_url.path == prefix + '/add_task':
 585             page = db.show_task(None)
 586         else:
 587             start_date = params.get('start', [None])[0]
 588             end_date = params.get('end', [None])[0]
 589             page = db.show_calendar(start_date, end_date)
 590         header = Template(html_head).render(db=db, prefix=prefix, date=selected_date)
 591         self.send_HTML(header + page)
 592
 593
 594 if __name__ == "__main__":
 595     run_server(server_port, TodoHandler)