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
  12 html_head = """
  13 <style>
  14 tr:nth-child(even) {
  15     background-color: #f2f2f2;
  16 }
  17 tr:nth-child(odd) {
  18     background-color: #ffffff;
  19 }
  20 th, td { border: 1px solid black; text-align: left; vertical_align: top; }
  21 td details { display: inline }
  22 td.input { width: 100%; }
  23 td.checkbox { width: 1.5em; }
  24 th.checkbox { width: 1.5em; }
  25 input[type="text"] { width: 100%; box-sizing: border-box; }
  26 </style>
  27 <body>
  28 tasks: <a href="{{db.prefix}}/tasks">list</a> <a href="{{db.prefix}}/add_task">add</a> | day:
  29 <a href="{{db.prefix}}/day{% if date %}?date={{date}}{% endif %}">choose tasks</a>
  30 <a href="{{db.prefix}}/day?{% if date %}date={{date}}&{% endif %}hide_unchosen=1">do tasks</a>
  31 | <a href="{{db.prefix}}/calendar?t_and=calendar">calendar</a>
  32 <hr />
  33 """
  34 form_footer = '\n</form>'
  35
  36 form_header_tmpl = """
  37 <form action="{{action|e}}" method="POST">
  38 """
  39 calendar_tmpl = """
  40 <table>
  41 {% for date, day in days.items() | sort(reverse=True) %}
  42 <tr><td colspan=3><a href="{{db.prefix}}/day?date={{date}}&hide_unchosen=1">{{ date }}</a> {{ day.weekday }} ({{ day.todos_sum|round(2) }}) {{ day.comment|e }}</td></tr>
  43 {% for task, todo in day.todos.items() | sort(attribute='1.title', reverse=True)  %}
  44 {% if todo.visible %}
  45 <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>
  46 {% endif %}
  47 {% endfor %}
  48 {% endfor %}
  49 </table>
  50 """
  51 todo_tmpl = """
  52 <input type="hidden" name="task_uuid" value="{{ todo.task.id_ }}" />
  53 <input type="hidden" name="date" value="{{ todo.day.date }}" />
  54 <table>
  55 <tr><th>task</th><td><a href="{{db.prefix}}/task?id={{ todo.task.id_ }}">{{ todo.task.title|e }}</a></td></tr>
  56 <tr><th>default weight</th><td>{{ todo.default_weight }}</td></tr>
  57 <tr><th>day</th><td>{{ todo.day.date }}</td></tr>
  58 <tr><th>day weight</th><td class="input"><input type="number" name="day_weight" step=0.1 size=5 value="{{ todo.day_weight }}" /></td></tr>
  59 <tr><th>comment</th><td class="input"><input type="text" name="comment" value="{{todo.comment|e}}" /></td></tr>
  60 <tr><th>done</th><td class="input"><input type="checkbox" name="done" {% if todo.done %}checked{% endif %}/></td></tr>
  61 </table>
  62 <input type="submit" value="update" />
  63 """
  64 task_tmpl = """
  65 <input type="hidden" name="id" value="{{ task.id_ }}" />
  66 <table>
  67 <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>
  68 <tr><th>default weight</th><td class="input"><input type="number" name="default_weight" value="{{ task.default_weight }}" step=0.1 size=5 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>
  69 <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>
  70 </table>
  71 <input type="submit" value="update" />
  72 """
  73 # archived_days_tmpl = """
  74 # <table>
  75 # {% for date, day in days.items() | sort(reverse=True) %}
  76 # {% if day.archived %}
  77 # <tr><td>{{ date }} {{ day.weekday }} ({{ day.todos_sum|round(2) }}) {{ day.comment|e }} <input type="submit" name="edit_{{date}}" value="edit" /></td></tr>
  78 # {% for task, todo in day.todos.items() | sort(attribute='1.title', reverse=True)  %}
  79 # <tr><td>{{ todo.title }}</td><td>{% if todo.done %}✓{% endif %}</td><td>{{ todo.weight }}</td></tr>
  80 # {% endfor %}
  81 # {% endif %}
  82 # {% endfor %}
  83 # </table>
  84 # """
  85 day_tmpl = """
  86 <input type="submit" value="OK">
  87 hide unchosen: <input name="hide_unchosen" type="checkbox" {% if db.hide_unchosen %}checked{% endif %} /><br />
  88 mandatory tags: {% for t_tag in db.t_tags | sort %}
  89 <input name="t_filter_and" type="checkbox" value="{{ t_tag }}" {% if t_tag in db.t_filter_and %} checked {% endif %} >{{ t_tag }}
  90 {% endfor %}
  91 <br />
  92 forbidden tags: {% for t_tag in db.t_tags | sort %}
  93 <input name="t_filter_not" type="checkbox" value="{{ t_tag }}" {% if t_tag in db.t_filter_not %} checked {% endif %} >{{ t_tag }}
  94 {% endfor %}
  95 </p>
  96
  97 <p>
  98 <input type="hidden" name="original_selected_date" value="{{ db.selected_date }}" />
  99 <a href="{{db.prefix}}/day?date={{prev_date}}{% if db.hide_unchosen %}&hide_unchosen=1{% endif %}">prev</a> <a href="{{db.prefix}}/day?date={{next_date}}{% if db.hide_unchosen %}&hide_unchosen=1{% endif %}">next</a> date: <input name="new_selected_date" value="{{ db.selected_date }}" size=8 /> {{ db.selected_day.todos_sum|round(2) }} ({{ db.selected_day.todos_sum2|round(2)}}) comment: <input name="comment" value="{{ db.selected_day.comment|e }}">
 100 </p>
 101
 102 <table>
 103 <tr><th>task</th><th class="checkbox">choose?</th><th class="checkbox">done?</th><th>weight</th><th>comment</th></tr>
 104 {% for uuid, t in db.tasks.items() | sort(attribute='1.title', reverse=True) %}
 105 {% if t.visible %}
 106 <tr>
 107 <input name="t_uuid" value="{{ uuid }}" type="hidden" >
 108 <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>
 109 <td><input name="choose" type="checkbox" value="{{ uuid }}" {% if uuid in db.selected_day.todos.keys() %}checked{% endif %} ></td>
 110 <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>
 111 <td class="checkbox"><input name="day_weight" type="number" step=0.1 size=5 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>
 112 <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>
 113 </tr>
 114 {% endif %}
 115 {% endfor %}
 116 </table>
 117 <input type="submit" value="OK">
 118 """
 119 tasks_tmpl = """
 120 <p>
 121 <input type="submit" value="OK"> mandatory tags: {% for t_tag in db.t_tags | sort %}
 122 <input name="t_filter_and" type="checkbox" value="{{ t_tag }}" {% if t_tag in db.t_filter_and %} checked {% endif %} >{{ t_tag }}
 123 {% endfor %}
 124 <br />
 125 forbidden tags: {% for t_tag in db.t_tags | sort %}
 126 <input name="t_filter_not" type="checkbox" value="{{ t_tag }}" {% if t_tag in db.t_filter_not %} checked {% endif %} >{{ t_tag }}
 127 {% endfor %}
 128 </p>
 129 <table>
 130 <tr><th>default<br />weight</th><th>task</th><th>tags</th></tr>
 131 {% for uuid, t in db.tasks.items() | sort(attribute='1.title', reverse=True) %}
 132 {% if t.visible %}
 133 <tr>
 134 <td>{{ t.default_weight }}</a></td>
 135 <td><a href="{{db.prefix}}/task?id={{ uuid }}" />{{ t.title|e }}</a></td>
 136 <td>{% for tag in t.tags | sort %}<a href="{{db.prefix}}/tags?t_and={{tag|e}}">{{ tag }}</a> {% endfor %}</td>
 137 {% endif %}
 138 {% endfor %}
 139 </table>
 140 """
 141 # selected_day_tmpl = """
 142 # <p>
 143 # hide unchosen: <input name="hide_unchosen" type="checkbox" {% if db.hide_unchosen %}checked{% endif %} /><br />
 144 # mandatory tags: {% for t_tag in db.t_tags | sort %}
 145 # <input name="t_filter_and" type="checkbox" value="{{ t_tag }}" {% if t_tag in db.t_filter_and %} checked {% endif %} >{{ t_tag }}
 146 # {% endfor %}
 147 # <br />
 148 # forbidden tags: {% for t_tag in db.t_tags | sort %}
 149 # <input name="t_filter_not" type="checkbox" value="{{ t_tag }}" {% if t_tag in db.t_filter_not %} checked {% endif %} >{{ t_tag }}
 150 # {% endfor %}
 151 # </p>
 152 #
 153 # <p>
 154 # <input type="hidden" name="original_selected_date" value="{{ db.selected_date }}" />
 155 # date: <input name="new_selected_date" value="{{ db.selected_date }}" size=8 /> {{ db.selected_day.todos_sum|round(2) }} ({{ db.selected_day.todos_sum2|round(2)}}) comment: <input name="comment" value="{{ db.selected_day.comment|e }}">
 156 # </p>
 157 #
 158 # <table>
 159 # <tr><th>default<br />weight</th><th>title</th><th>tags</th><th>choose?</th><th>done?</th><th>day<br />weight</th></tr>
 160 # {% for uuid, t in db.tasks.items() | sort(attribute='1.title', reverse=True) %}
 161 # {% if t.visible %}
 162 # <input name="t_uuid" value="{{ uuid }}" type="hidden" >
 163 # <tr>
 164 # <td><input name="t_default_weight" value="{{ t.default_weight }}" type="number" step=0.1 size=5 required/></td>
 165 # <td><input name="t_title" value="{{ t.title|e }}"/></td>
 166 # <td><input name="t_tags" value="{{ t.tags_joined|e }}" >
 167 # <td><input name="choose" type="checkbox" value="{{ uuid }}" {% if uuid in db.selected_day.todos.keys() %}checked{% endif %} ></td>
 168 # <td><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>
 169 # <td colspan=2><input name="day_weight" type="number" step=0.1 size=5 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 %}" ></td>
 170 # </tr>
 171 # {% endif %}
 172 # {% endfor %}
 173 # </table>
 174 # <input type="submit" value="OK">
 175 # """
 176
 177 class Task:
 178
 179     def __init__(self, db, title_history=None, tags_history=None, default_weight_history=None):
 180         self.db = db
 181         self.title_history = title_history if title_history else {}
 182         self.tags_history = tags_history if tags_history else {}
 183         self.default_weight_history = default_weight_history if default_weight_history else {}
 184         self.visible = True
 185
 186     def _set_with_history(self, history, value):
 187         keys = sorted(history.keys())
 188         if len(history) == 0 or value != history[keys[-1]]:
 189             history[str(datetime.now())[:19]] = value
 190
 191     def _last_of_history(self, history, default):
 192         keys = sorted(history.keys())
 193         return default if 0 == len(history) else history[keys[-1]]
 194
 195     @classmethod
 196     def from_dict(cls, db, d):
 197         return cls(
 198                 db,
 199                 d['title_history'],
 200                 {k: set(v) for k, v in d['tags_history'].items()},
 201                 d['default_weight_history'])
 202
 203     @property
 204     def default_weight(self):
 205         return self._last_of_history(self.default_weight_history, 1)
 206
 207     @default_weight.setter
 208     def default_weight(self, default_weight):
 209         self._set_with_history(self.default_weight_history, default_weight)
 210
 211     def default_weight_at(self, queried_date):
 212         ret = self.default_weight_history[sorted(self.default_weight_history.keys())[0]]
 213         for date_key, default_weight in self.default_weight_history.items():
 214             if date_key > f'{queried_date} 23:59:59':
 215                 break
 216             ret = default_weight
 217         return ret
 218
 219     @property
 220     def current_default_weight(self):
 221         return self.default_weight_at(self.db.selected_date)
 222
 223     @property
 224     def title(self):
 225         return self._last_of_history(self.title_history, '')
 226
 227     @title.setter
 228     def title(self, title):
 229         self._set_with_history(self.title_history, title)
 230
 231     def title_at(self, queried_date):
 232         ret = self.title_history[sorted(self.title_history.keys())[0]]
 233         for date_key, title in self.title_history.items():
 234             if date_key > f'{queried_date} 23:59:59':
 235                 break
 236             ret = title
 237         return ret
 238
 239     @property
 240     def current_title(self):
 241         return self.title_at(self.db.selected_date)
 242
 243     @property
 244     def tags(self):
 245         return self._last_of_history(self.tags_history, set())
 246
 247     @tags.setter
 248     def tags(self, tags):
 249         self._set_with_history(self.tags_history, set(tags))
 250
 251     @property
 252     def tags_joined(self):
 253         return ';'.join(sorted(list(self.tags)))
 254
 255     @tags_joined.setter
 256     def tags_joined(self, tags_string):
 257         tags = set()
 258         for tag in [tag.strip() for tag in tags_string.split(';') if tag.strip() != '']:
 259             tags.add(tag)
 260         self.tags = tags
 261
 262     def to_dict(self):
 263         return {
 264             'title_history': self.title_history,
 265             'tags_history': {k: list(v) for k,v in self.tags_history.items()},
 266             'default_weight_history': self.default_weight_history}
 267
 268     @property
 269     def id_(self):
 270         for k, v in self.db.tasks.items():
 271             if v == self:
 272                 return k
 273
 274
 275 class Day:
 276
 277     def __init__(self, db, todos=None, comment=''):
 278         self.db = db
 279         self.todos = todos if todos else {}
 280         self.comment = comment
 281         self.archived = True
 282
 283     @classmethod
 284     def from_dict(cls, db, d):
 285         todos = {}
 286         comment = d['comment'] if 'comment' in d.keys() else ''
 287         day = cls(db, todos, comment)
 288         for uuid, todo_dict in d['todos'].items():
 289             day.add_todo(uuid, todo_dict)
 290         return day
 291
 292     def to_dict(self):
 293         d = {'comment': self.comment, 'todos': {}}
 294         for task_uuid, todo in self.todos.items():
 295             d['todos'][task_uuid] = todo.to_dict()
 296         return d
 297
 298     def add_todo(self, id_, dict_source=None):
 299         self.todos[id_] = Todo.from_dict(self, dict_source) if dict_source else Todo(self)
 300         return self.todos[id_]
 301
 302     def _todos_sum(self, include_undone=False):
 303         s = 0
 304         for todo in [todo for todo in self.todos.values() if todo.done]:
 305             s += todo.weight
 306         if include_undone:
 307             for todo in [todo for todo in self.todos.values() if not todo.done]:
 308                 s += todo.day_weight if todo.day_weight else 0
 309         return s
 310
 311     @property
 312     def todos_sum(self):
 313         return self._todos_sum()
 314
 315     @property
 316     def todos_sum2(self):
 317         return self._todos_sum(True)
 318
 319     @property
 320     def date(self):
 321         for k, v in self.db.days.items():
 322             if v == self:
 323                 return k
 324
 325 class Todo:
 326
 327     def __init__(self, day, done=False, day_weight=None, comment=''):
 328         self.day = day
 329         self.done = done
 330         self.day_weight = day_weight
 331         self.comment = comment
 332
 333     @classmethod
 334     def from_dict(cls, day, d):
 335         return cls(day, d['done'], d['day_weight'], d['comment'])
 336
 337     def to_dict(self):
 338         return {'done': self.done, 'day_weight': self.day_weight, 'comment': self.comment}
 339
 340     @property
 341     def default_weight(self):
 342         return self.task.default_weight_at(self.day.date)
 343
 344     @property
 345     def weight(self):
 346         if self.day_weight:
 347             return self.day_weight
 348         else:
 349             return self.day_weight if self.day_weight else self.default_weight
 350
 351     @property
 352     def task(self):
 353         for k, v in self.day.todos.items():
 354             if v == self:
 355                 return self.day.db.tasks[k]
 356
 357     @property
 358     def title(self):
 359         return self.task.title_at(self.day.date)
 360
 361
 362 class TodoDB(PlomDB):
 363
 364     def __init__(self, prefix, selected_date=None, t_filter_and = None, t_filter_not = None, hide_unchosen=False):
 365         self.prefix = prefix
 366         self.selected_date = selected_date if selected_date else str(datetime.now())[:10]
 367         self.t_filter_and = t_filter_and if t_filter_and else set()
 368         self.t_filter_not = t_filter_not if t_filter_not else set()
 369         self.hide_unchosen = hide_unchosen
 370         self.days = {}
 371         self.tasks = {}
 372         self.t_tags = set()
 373         super().__init__(db_path)
 374         self.switch_to_day()
 375
 376     def read_db_file(self, f):
 377         d = json.load(f)
 378         for date, day_dict in d['days'].items():
 379             self.days[date] = self.add_day(dict_source=day_dict)
 380         for uuid, t_dict in d['tasks'].items():
 381             t = self.add_task(id_=uuid, dict_source=t_dict)
 382             t.visible = len([tag for tag in self.t_filter_and if not tag in t.tags]) == 0\
 383                     and len([tag for tag in self.t_filter_not if tag in t.tags]) == 0\
 384                     and ((not self.hide_unchosen) or uuid in self.selected_day.todos)
 385             for tag in t.tags:
 386                 self.t_tags.add(tag)
 387
 388     def to_dict(self):
 389         d = {
 390                 't_filter_and': list(self.t_filter_and),
 391                 't_filter_not': list(self.t_filter_not),
 392                 'tasks': {},
 393                 'days': {}
 394         }
 395         for uuid, t in self.tasks.items():
 396              d['tasks'][uuid] = t.to_dict()
 397         for date, day in self.days.items():
 398             d['days'][date] = day.to_dict()
 399         return d
 400
 401     @property
 402     def selected_day(self):
 403         return self.days[self.selected_date]
 404
 405     def write(self):
 406         self.write_text_to_db(json.dumps(self.to_dict()))
 407
 408     def switch_to_day(self, date=None):
 409         if date:
 410             self.selected_date = date
 411             # if self.selected_date in self.days.keys():
 412             #      self.selected_day.archived = True
 413         if not self.selected_date in self.days.keys():
 414             self.days[self.selected_date] = self.add_day()
 415         # self.selected_day.archived = False
 416
 417     def add_task(self, id_=None, dict_source=None, return_id=False):
 418         t = Task.from_dict(self, dict_source) if dict_source else Task(self)
 419         id_ = id_ if id_ else str(uuid4())
 420         self.tasks[id_] = t
 421         if return_id:
 422             return id_, t
 423         else:
 424             return t
 425
 426     def add_day(self, dict_source=None):
 427         return Day.from_dict(self, dict_source) if dict_source else Day(self)
 428
 429     # def show_all(self):
 430     #     for i in range(10):
 431     #         self.add_task(id_=f'new{i}')
 432     #     return Template(form_header_tmpl + selected_day_tmpl + archived_days_tmpl + form_footer).render(db=self, action=self.prefix+'/all', days=self.days)
 433
 434      #def show_selected_day(self):
 435      #    return Template(form_header_tmpl + selected_day_tmpl + form_footer).render(db=self, action=self.prefix+'/day')
 436
 437     def show_day(self):
 438         current_date = datetime.strptime(self.selected_date, '%Y-%m-%d')
 439         prev_date = current_date - timedelta(days=1)
 440         prev_date_str = prev_date.strftime('%Y-%m-%d')
 441         next_date = current_date + timedelta(days=1)
 442         next_date_str = next_date.strftime('%Y-%m-%d')
 443         return Template(form_header_tmpl + day_tmpl + form_footer).render(db=self, action=self.prefix+'/day', prev_date=prev_date_str, next_date=next_date_str)
 444
 445     def show_calendar(self, start_date_str, end_date_str):
 446         days_to_show = {}
 447         target_start = start_date_str if start_date_str else sorted(self.days.keys())[0]
 448         target_start = str(datetime.now())[:10] if 'today' == target_start else target_start
 449         target_end = end_date_str if end_date_str else sorted(self.days.keys())[-1]
 450         todays_date = str(datetime.now())[:10]
 451         start_date = datetime.strptime(target_start, '%Y-%m-%d')
 452         end_date = datetime.strptime(target_end, '%Y-%m-%d')
 453         for n in range(int((end_date - start_date).days) + 1):
 454             current_date_obj = start_date + timedelta(n)
 455             current_date = current_date_obj.strftime('%Y-%m-%d')
 456             if current_date not in self.days.keys():
 457                 days_to_show[current_date] = self.add_day()
 458             else:
 459                 days_to_show[current_date] = self.days[current_date]
 460             days_to_show[current_date].weekday = datetime.strptime(current_date, '%Y-%m-%d').strftime('%A')
 461             for task_uuid, todo in days_to_show[current_date].todos.items():
 462                 todo.visible = self.tasks[task_uuid].visible
 463         return Template(calendar_tmpl).render(db=self, days=days_to_show)
 464
 465     def show_todo(self, task_uuid, selected_date):
 466         todo = self.days[selected_date].todos[task_uuid]
 467         return Template(form_header_tmpl + todo_tmpl + form_footer).render(db=self, todo=todo, action=self.prefix+'/todo')
 468
 469     def update_todo(self, task_uuid, date, day_weight, done, comment):
 470         if task_uuid in self.days[date].todos.keys():
 471             todo = self.days[date].todos[task_uuid]
 472         else:
 473             todo = self.days[date].add_todo(task_uuid)
 474         # todo = self.days[date].todos[task_uuid]
 475         todo.day_weight = float(day_weight) if len(day_weight) > 0 else None
 476         todo.done = done
 477         todo.comment = comment
 478
 479     def show_task(self, id_):
 480         task = self.tasks[id_] if id_ else self.add_task()
 481         return Template(form_header_tmpl + task_tmpl + form_footer).render(db=self, task=task, action=self.prefix+'/task')
 482
 483     def update_task(self, id_, title, default_weight, tags_joined):
 484         task = self.tasks[id_] if id_ in self.tasks.keys() else self.add_task(id_)
 485         task.title = title
 486         task.default_weight = float(default_weight) if len(default_weight) > 0 else None
 487         task.tags_joined = tags_joined
 488
 489     def show_tasks(self):
 490         return Template(form_header_tmpl + tasks_tmpl + form_footer).render(db=self, action=self.prefix+'/tasks')
 491
 492
 493
 494 class TodoHandler(PlomHandler):
 495
 496     def app_init(self, handler):
 497         default_path = '/todo'
 498         handler.add_route('GET', default_path, self.show_db)
 499         handler.add_route('POST', default_path, self.write_db)
 500         return 'todo', default_path
 501
 502     def do_POST(self):
 503         self.try_do(self.write_db)
 504
 505     def write_db(self):
 506         from urllib.parse import urlencode
 507         prefix = self.apps['todo'] if hasattr(self, 'apps') else ''
 508         length = int(self.headers['content-length'])
 509         postvars = parse_qs(self.rfile.read(length).decode(), keep_blank_values=1)
 510         parsed_url = urlparse(self.path)
 511         db = TodoDB(prefix=prefix)
 512         if parsed_url.path == prefix + '/todo':
 513             task_uuid = postvars['task_uuid'][0]
 514             date = postvars['date'][0]
 515             db.update_todo(task_uuid, date, postvars['day_weight'][0], 'done' in postvars.keys(), postvars['comment'][0])
 516             homepage = f'{prefix}/todo?task={task_uuid}&date={date}'
 517         elif parsed_url.path == prefix + '/task':
 518             id_ = postvars['id'][0]
 519             db.update_task(id_, postvars['title'][0], postvars['default_weight'][0], postvars['tags'][0])
 520             homepage = f'{prefix}/task?id={id_}'
 521         elif parsed_url.path in {prefix + '/tasks', prefix + '/day'}:
 522             if 't_filter_and' in postvars.keys():
 523                 for target in postvars['t_filter_and']:
 524                     db.t_filter_and.add(target)
 525             if 't_filter_not' in postvars.keys():
 526                 for target in postvars['t_filter_not']:
 527                     db.t_filter_not.add(target)
 528             if 'hide_unchosen' in postvars.keys():
 529                 db.hide_unchosen = True
 530             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))]
 531             if parsed_url.path == prefix + '/tasks':
 532                 encoded_params = urlencode(data)
 533                 homepage = f'{prefix}/tasks?{encoded_params}'
 534             elif parsed_url.path == prefix + '/day':
 535                 db.switch_to_day(postvars['original_selected_date'][0])
 536                 new_selected_date = postvars['new_selected_date'][0]
 537                 try:
 538                     datetime.strptime(new_selected_date, '%Y-%m-%d')
 539                 except ValueError:
 540                     raise PlomException(f"{prefix} bad date string: {new_selected_date}")
 541                 if new_selected_date != db.selected_date:
 542                     if new_selected_date in db.days.keys():
 543                         raise PlomException('cannot use same date twice')
 544                     else:
 545                         db.days[new_selected_date] = db.selected_day
 546                         del db.days[db.selected_date]
 547                         db.selected_date = new_selected_date
 548                 for i, uuid in enumerate(postvars['t_uuid']):
 549                     t = db.tasks[uuid]
 550                     if uuid in db.selected_day.todos.keys() and ((not 'choose' in postvars) or uuid not in postvars['choose']):
 551                         del db.selected_day.todos[uuid]
 552                 if 'choose' in postvars.keys():
 553                     for i, uuid in enumerate(postvars['t_uuid']):
 554                         if uuid in postvars['choose']:
 555                             done = 'done' in postvars and uuid in postvars['done']
 556                             db.update_todo(uuid, db.selected_date, postvars['day_weight'][i], done, postvars['todo_comment'][i])
 557                 if 'comment' in postvars.keys():
 558                     db.selected_day.comment = postvars['comment'][0]
 559                 data += [('date', db.selected_date)]
 560                 encoded_params = urlencode(data)
 561                 homepage = f'{prefix}/day?{encoded_params}'
 562         db.write()
 563         self.redirect(homepage)
 564         # db = TodoDB(prefix=prefix, selected_date=postvars['original_selected_date'][0])
 565         # # import pprint
 566         # # pp = pprint.PrettyPrinter(indent=4)
 567         # # pp.pprint(postvars)
 568         # db.t_filter_and = set()
 569         # db.t_filter_not = set()
 570         # if 't_filter_and' in postvars.keys():
 571         #     for target in postvars['t_filter_and']:
 572         #         db.t_filter_and.add(target)
 573         # if 't_filter_not' in postvars.keys():
 574         #     for target in postvars['t_filter_not']:
 575         #         db.t_filter_not.add(target)
 576         # if 'hide_unchosen' in postvars.keys():
 577         #     db.hide_unchosen = True
 578         # if 't_uuid' in postvars.keys():
 579         #     new_postvars_t_uuid = postvars['t_uuid'].copy()
 580         #     for i, uuid in enumerate(postvars['t_uuid']):
 581         #         if len(uuid) < 36 and len(postvars['t_title'][i]) > 0:
 582         #             new_uuid, t = db.add_task(return_id=True)
 583         #             new_postvars_t_uuid[i] = new_uuid
 584         #             for key in [k for k in postvars.keys() if not k == 't_uuid']:
 585         #                 if uuid in postvars[key]:
 586         #                     uuid_index = postvars[key].index(uuid)
 587         #                     postvars[key][uuid_index] = new_uuid
 588         #     postvars['t_uuid'] = new_postvars_t_uuid
 589         #     for i, uuid in enumerate(postvars['t_uuid']):
 590         #         if len(uuid) < 36:
 591         #             continue
 592         #         t = db.tasks[uuid]
 593         #         t.set_title(postvars['t_title'][i])
 594         #         t.tags_from_joined_string(postvars['t_tags'][i])
 595         #         t.set_default_weight(float(postvars['t_default_weight'][i]))
 596         #         if uuid in db.selected_day.todos.keys() and ((not 'choose' in postvars) or uuid not in postvars['choose']):
 597         #             del db.selected_day.todos[uuid]
 598         #     if 'choose' in postvars.keys():
 599         #         for i, uuid in enumerate(postvars['t_uuid']):
 600         #             if uuid in postvars['choose']:
 601         #                 done = 'done' in postvars and uuid in postvars['done']
 602         #                 day_weight = float(postvars['day_weight'][i]) if postvars['day_weight'][i] else None
 603         #                 db.selected_day.add_todo(uuid, {'done': done, 'day_weight': day_weight})
 604
 605         # if 'comment' in postvars.keys():
 606         #     db.selected_day.comment = postvars['comment'][0]
 607         # if 'new_selected_date' in postvars.keys():
 608         #     new_selected_date = postvars['new_selected_date'][0]
 609         #     try:
 610         #         datetime.strptime(new_selected_date, '%Y-%m-%d')
 611         #     except ValueError:
 612         #         raise PlomException(f"{prefix} bad date string: {new_selected_date}")
 613         #     if new_selected_date != db.selected_date:
 614         #         if new_selected_date in db.days.keys():
 615         #             raise PlomException('cannot use same date twice')
 616         #         else:
 617         #             db.days[new_selected_date] = db.selected_day
 618         #             del db.days[db.selected_date]
 619         #             db.selected_date = new_selected_date
 620
 621         # switch_edited_day = None
 622         # day_edit_prefix = 'edit_'
 623         # for k in postvars.keys():
 624         #     if k.startswith(day_edit_prefix):
 625         #         switch_edited_day = k[len(day_edit_prefix):]
 626         #         db.switch_to_day(switch_edited_day)
 627         #         break
 628         # db.write()
 629         # 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))] + [('date', db.selected_date)]
 630         # encoded_params = urlencode(data)
 631         # if prefix + '/day' == parsed_url.path:
 632         #     homepage = f'{prefix}/day?{encoded_params}'
 633         # else:
 634         #     homepage = f'{prefix}/all?{encoded_params}'
 635         # self.redirect(homepage)
 636
 637     def do_GET(self):
 638         self.try_do(self.show_db)
 639
 640     def show_db(self):
 641         prefix = self.apps['todo'] if hasattr(self, 'apps') else ''
 642         parsed_url = urlparse(self.path)
 643         params = parse_qs(parsed_url.query)
 644         selected_date = params.get('date', [None])[0]
 645         t_filter_and = set(params.get('t_and', []))
 646         t_filter_not = set(params.get('t_not', ['deleted']))
 647         hide_unchosen_params = params.get('hide_unchosen', [])
 648         hide_unchosen = len(hide_unchosen_params) > 0 and hide_unchosen_params[0] != '0'
 649         db = TodoDB(prefix, selected_date, t_filter_and, t_filter_not, hide_unchosen)
 650         if parsed_url.path == prefix + '/day':
 651             page = db.show_day()
 652         elif parsed_url.path == prefix + '/todo':
 653             task_uuid = params.get('task', [None])[0]
 654             page = db.show_todo(task_uuid, selected_date)
 655         elif parsed_url.path == prefix + '/task':
 656             id_ = params.get('id', [None])[0]
 657             page = db.show_task(id_)
 658         elif parsed_url.path == prefix + '/tasks':
 659             page = db.show_tasks()
 660         elif parsed_url.path == prefix + '/add_task':
 661             page = db.show_task(None)
 662         else:
 663             start_date = params.get('start', [None])[0]
 664             end_date = params.get('end', [None])[0]
 665             page = db.show_calendar(start_date, end_date)
 666         header = Template(html_head).render(db=db, prefix=prefix, date=selected_date)
 667         self.send_HTML(header + page)
 668
 669
 670 if __name__ == "__main__":
 671     run_server(server_port, TodoHandler)