+ self.wfile.write(bytes(body, 'utf-8'))
+
+ @staticmethod
+ def _request_wrapper(http_method: str, not_found_msg: str
+ ) -> Callable[..., Callable[[TaskHandler], None]]:
+ def decorator(f: Callable[..., str | None]
+ ) -> Callable[[TaskHandler], None]:
+ def wrapper(self: TaskHandler) -> None:
+ # pylint: disable=protected-access
+ # (because pylint here fails to detect the use of wrapper as a
+ # method to self with respective access privileges)
+ try:
+ self.conn = DatabaseConnection(self.server.db)
+ parsed_url = urlparse(self.path)
+ self._site = path_split(parsed_url.path)[1]
+ params = parse_qs(parsed_url.query, strict_parsing=True)
+ self._params = InputsParser(params, False)
+ handler_name = f'do_{http_method}_{self._site}'
+ if hasattr(self, handler_name):
+ handler = getattr(self, handler_name)
+ redir_target = f(self, handler)
+ if redir_target:
+ self.send_response(302)
+ self.send_header('Location', redir_target)
+ self.end_headers()
+ else:
+ msg = f'{not_found_msg}: {self._site}'
+ raise NotFoundException(msg)
+ except HandledException as error:
+ for cls in (Day, Todo, Condition, Process, ProcessStep):
+ assert hasattr(cls, 'empty_cache')
+ cls.empty_cache()
+ ctx = {'msg': error}
+ self._send_page(ctx, 'msg', error.http_code)
+ finally:
+ self.conn.close()
+ return wrapper
+ return decorator
+
+ @_request_wrapper('GET', 'Unknown page')
+ def do_GET(self, handler: Callable[[], str | dict[str, object]]
+ ) -> str | None:
+ """Render page with result of handler, or redirect if result is str."""
+ tmpl_name = f'{self._site}'
+ ctx_or_redir_target = handler()
+ if isinstance(ctx_or_redir_target, str):
+ return ctx_or_redir_target
+ self._send_page(ctx_or_redir_target, tmpl_name)
+ return None
+
+ @_request_wrapper('POST', 'Unknown POST target')
+ def do_POST(self, handler: Callable[[], str]) -> str:
+ """Handle POST with handler, prepare redirection to result."""
+ length = int(self.headers['content-length'])
+ postvars = parse_qs(self.rfile.read(length).decode(),
+ keep_blank_values=True, strict_parsing=True)
+ self._form_data = InputsParser(postvars)
+ redir_target = handler()
+ self.conn.commit()
+ return redir_target
+
+ # GET handlers
+
+ @staticmethod
+ def _get_item(target_class: Any
+ ) -> Callable[..., Callable[[TaskHandler],
+ dict[str, object]]]:
+ def decorator(f: Callable[..., dict[str, object]]
+ ) -> Callable[[TaskHandler], dict[str, object]]:
+ def wrapper(self: TaskHandler) -> dict[str, object]:
+ # pylint: disable=protected-access
+ # (because pylint here fails to detect the use of wrapper as a
+ # method to self with respective access privileges)
+ id_ = self._params.get_int_or_none('id')
+ if target_class.can_create_by_id:
+ item = target_class.by_id_or_create(self.conn, id_)
+ else:
+ item = target_class.by_id(self.conn, id_)
+ return f(self, item)
+ return wrapper
+ return decorator
+
+ def do_GET_(self) -> str:
+ """Return redirect target on GET /."""
+ return '/day'
+
+ def _do_GET_calendar(self) -> dict[str, object]:
+ """Show Days from ?start= to ?end=.
+
+ Both .do_GET_calendar and .do_GET_calendar_txt refer to this to do the
+ same, the only difference being the HTML template they are rendered to,
+ which .do_GET selects from their method name.
+ """
+ start = self._params.get_str('start')
+ end = self._params.get_str('end')
+ if not end:
+ end = date_in_n_days(366)
+ ret = Day.by_date_range_with_limits(self.conn, (start, end), 'id')
+ days, start, end = ret
+ days = Day.with_filled_gaps(days, start, end)
+ today = date_in_n_days(0)
+ return {'start': start, 'end': end, 'days': days, 'today': today}
+
+ def do_GET_calendar(self) -> dict[str, object]:
+ """Show Days from ?start= to ?end= – normal view."""
+ return self._do_GET_calendar()
+
+ def do_GET_calendar_txt(self) -> dict[str, object]:
+ """Show Days from ?start= to ?end= – minimalist view."""
+ return self._do_GET_calendar()
+
+ def do_GET_day(self) -> dict[str, object]:
+ """Show single Day of ?date=."""
+ date = self._params.get_str('date', date_in_n_days(0))
+ day = Day.by_id_or_create(self.conn, date)
+ make_type = self._params.get_str('make_type')
+ conditions_present = []
+ enablers_for = {}
+ disablers_for = {}
+ for todo in day.todos:
+ for condition in todo.conditions + todo.blockers:
+ if condition not in conditions_present:
+ conditions_present += [condition]
+ enablers_for[condition.id_] = [p for p in
+ Process.all(self.conn)
+ if condition in p.enables]
+ disablers_for[condition.id_] = [p for p in
+ Process.all(self.conn)
+ if condition in p.disables]
+ seen_todos: set[int] = set()
+ top_nodes = [t.get_step_tree(seen_todos)
+ for t in day.todos if not t.parents]
+ return {'day': day,
+ 'top_nodes': top_nodes,
+ 'make_type': make_type,
+ 'enablers_for': enablers_for,
+ 'disablers_for': disablers_for,
+ 'conditions_present': conditions_present,
+ 'processes': Process.all(self.conn)}
+
+ @_get_item(Todo)
+ def do_GET_todo(self, todo: Todo) -> dict[str, object]:
+ """Show single Todo of ?id=."""
+
+ @dataclass
+ class TodoStepsNode:
+ """Collect what's useful for Todo steps tree display."""
+ id_: int
+ todo: Todo | None
+ process: Process | None
+ children: list[TodoStepsNode] # pylint: disable=undefined-variable
+ fillable: bool = False
+
+ def walk_process_steps(id_: int,
+ process_step_nodes: list[ProcessStepsNode],
+ steps_nodes: list[TodoStepsNode]) -> None:
+ for process_step_node in process_step_nodes:
+ id_ += 1
+ node = TodoStepsNode(id_, None, process_step_node.process, [])
+ steps_nodes += [node]
+ walk_process_steps(id_, list(process_step_node.steps.values()),
+ node.children)
+
+ def walk_todo_steps(id_: int, todos: list[Todo],
+ steps_nodes: list[TodoStepsNode]) -> None:
+ for todo in todos:
+ matched = False
+ for match in [item for item in steps_nodes
+ if item.process
+ and item.process == todo.process]:
+ match.todo = todo
+ matched = True
+ for child in match.children:
+ child.fillable = True
+ walk_todo_steps(id_, todo.children, match.children)
+ if not matched:
+ id_ += 1
+ node = TodoStepsNode(id_, todo, None, [])
+ steps_nodes += [node]
+ walk_todo_steps(id_, todo.children, node.children)
+
+ def collect_adoptables_keys(steps_nodes: list[TodoStepsNode]
+ ) -> set[int]:
+ ids = set()
+ for node in steps_nodes:
+ if not node.todo:
+ assert isinstance(node.process, Process)
+ assert isinstance(node.process.id_, int)
+ ids.add(node.process.id_)
+ ids = ids | collect_adoptables_keys(node.children)
+ return ids
+
+ todo_steps = [step.todo for step in todo.get_step_tree(set()).children]
+ process_tree = todo.process.get_steps(self.conn, None)
+ steps_todo_to_process: list[TodoStepsNode] = []
+ walk_process_steps(0, list(process_tree.values()),
+ steps_todo_to_process)
+ for steps_node in steps_todo_to_process:
+ steps_node.fillable = True
+ walk_todo_steps(len(steps_todo_to_process), todo_steps,
+ steps_todo_to_process)
+ adoptables: dict[int, list[Todo]] = {}
+ any_adoptables = [Todo.by_id(self.conn, t.id_)
+ for t in Todo.by_date(self.conn, todo.date)
+ if t.id_ is not None
+ and t != todo]
+ for id_ in collect_adoptables_keys(steps_todo_to_process):
+ adoptables[id_] = [t for t in any_adoptables
+ if t.process.id_ == id_]
+ return {'todo': todo, 'steps_todo_to_process': steps_todo_to_process,
+ 'adoption_candidates_for': adoptables,
+ 'process_candidates': Process.all(self.conn),
+ 'todo_candidates': any_adoptables,
+ 'condition_candidates': Condition.all(self.conn)}
+
+ def do_GET_todos(self) -> dict[str, object]:
+ """Show Todos from ?start= to ?end=, of ?process=, ?comment= pattern"""
+ sort_by = self._params.get_str('sort_by')
+ start = self._params.get_str('start')
+ end = self._params.get_str('end')
+ process_id = self._params.get_int_or_none('process_id')
+ comment_pattern = self._params.get_str('comment_pattern')
+ todos = []
+ ret = Todo.by_date_range_with_limits(self.conn, (start, end))
+ todos_by_date_range, start, end = ret
+ todos = [t for t in todos_by_date_range
+ if comment_pattern in t.comment
+ and ((not process_id) or t.process.id_ == process_id)]
+ if sort_by == 'doneness':
+ todos.sort(key=lambda t: t.is_done)
+ elif sort_by == '-doneness':
+ todos.sort(key=lambda t: t.is_done, reverse=True)
+ elif sort_by == 'title':
+ todos.sort(key=lambda t: t.title_then)
+ elif sort_by == '-title':
+ todos.sort(key=lambda t: t.title_then, reverse=True)
+ elif sort_by == 'comment':
+ todos.sort(key=lambda t: t.comment)
+ elif sort_by == '-comment':
+ todos.sort(key=lambda t: t.comment, reverse=True)
+ elif sort_by == '-date':
+ todos.sort(key=lambda t: t.date, reverse=True)
+ else:
+ todos.sort(key=lambda t: t.date)
+ sort_by = 'title'
+ return {'start': start, 'end': end, 'process_id': process_id,
+ 'comment_pattern': comment_pattern, 'todos': todos,
+ 'all_processes': Process.all(self.conn), 'sort_by': sort_by}
+
+ def do_GET_conditions(self) -> dict[str, object]:
+ """Show all Conditions."""
+ pattern = self._params.get_str('pattern')
+ conditions = Condition.matching(self.conn, pattern)
+ sort_by = self._params.get_str('sort_by')
+ if sort_by == 'is_active':
+ conditions.sort(key=lambda c: c.is_active)
+ elif sort_by == '-is_active':
+ conditions.sort(key=lambda c: c.is_active, reverse=True)
+ elif sort_by == '-title':
+ conditions.sort(key=lambda c: c.title.newest, reverse=True)
+ else:
+ conditions.sort(key=lambda c: c.title.newest)
+ sort_by = 'title'
+ return {'conditions': conditions,
+ 'sort_by': sort_by,
+ 'pattern': pattern}
+
+ @_get_item(Condition)
+ def do_GET_condition(self, c: Condition) -> dict[str, object]:
+ """Show Condition of ?id=."""
+ ps = Process.all(self.conn)
+ return {'condition': c, 'is_new': c.id_ is None,
+ 'enabled_processes': [p for p in ps if c in p.conditions],
+ 'disabled_processes': [p for p in ps if c in p.blockers],
+ 'enabling_processes': [p for p in ps if c in p.enables],
+ 'disabling_processes': [p for p in ps if c in p.disables]}
+
+ @_get_item(Condition)
+ def do_GET_condition_titles(self, c: Condition) -> dict[str, object]:
+ """Show title history of Condition of ?id=."""
+ return {'condition': c}
+
+ @_get_item(Condition)
+ def do_GET_condition_descriptions(self, c: Condition) -> dict[str, object]:
+ """Show description historys of Condition of ?id=."""
+ return {'condition': c}
+
+ @_get_item(Process)
+ def do_GET_process(self, process: Process) -> dict[str, object]:
+ """Show Process of ?id=."""
+ title_64 = self._params.get_str('title_b64')
+ if title_64:
+ title = b64decode(title_64.encode()).decode()
+ process.title.set(title)
+ owners = process.used_as_step_by(self.conn)
+ for step_id in self._params.get_all_int('step_to'):
+ owners += [Process.by_id(self.conn, step_id)]
+ preset_top_step = None
+ for process_id in self._params.get_all_int('has_step'):
+ preset_top_step = process_id
+ return {'process': process, 'is_new': process.id_ is None,
+ 'preset_top_step': preset_top_step,
+ 'steps': process.get_steps(self.conn), 'owners': owners,
+ 'n_todos': len(Todo.by_process_id(self.conn, process.id_)),
+ 'process_candidates': Process.all(self.conn),
+ 'condition_candidates': Condition.all(self.conn)}
+
+ @_get_item(Process)
+ def do_GET_process_titles(self, p: Process) -> dict[str, object]:
+ """Show title history of Process of ?id=."""
+ return {'process': p}
+
+ @_get_item(Process)
+ def do_GET_process_descriptions(self, p: Process) -> dict[str, object]:
+ """Show description historys of Process of ?id=."""
+ return {'process': p}
+
+ @_get_item(Process)
+ def do_GET_process_efforts(self, p: Process) -> dict[str, object]:
+ """Show default effort history of Process of ?id=."""
+ return {'process': p}
+
+ def do_GET_processes(self) -> dict[str, object]:
+ """Show all Processes."""
+ pattern = self._params.get_str('pattern')
+ processes = Process.matching(self.conn, pattern)
+ sort_by = self._params.get_str('sort_by')
+ if sort_by == 'steps':
+ processes.sort(key=lambda p: len(p.explicit_steps))
+ elif sort_by == '-steps':
+ processes.sort(key=lambda p: len(p.explicit_steps), reverse=True)
+ elif sort_by == 'owners':
+ processes.sort(key=lambda p: p.n_owners or 0)
+ elif sort_by == '-owners':
+ processes.sort(key=lambda p: p.n_owners or 0, reverse=True)
+ elif sort_by == 'effort':
+ processes.sort(key=lambda p: p.effort.newest)
+ elif sort_by == '-effort':
+ processes.sort(key=lambda p: p.effort.newest, reverse=True)
+ elif sort_by == '-title':
+ processes.sort(key=lambda p: p.title.newest, reverse=True)
+ else:
+ processes.sort(key=lambda p: p.title.newest)
+ sort_by = 'title'
+ return {'processes': processes, 'sort_by': sort_by, 'pattern': pattern}
+
+ # POST handlers
+
+ @staticmethod
+ def _delete_or_post(target_class: Any, redir_target: str = '/'
+ ) -> Callable[..., Callable[[TaskHandler], str]]:
+ def decorator(f: Callable[..., str]
+ ) -> Callable[[TaskHandler], str]:
+ def wrapper(self: TaskHandler) -> str:
+ # pylint: disable=protected-access
+ # (because pylint here fails to detect the use of wrapper as a
+ # method to self with respective access privileges)
+ id_ = self._params.get_int_or_none('id')
+ for _ in self._form_data.get_all_str('delete'):
+ if id_ is None:
+ msg = 'trying to delete non-saved ' +\
+ f'{target_class.__name__}'
+ raise NotFoundException(msg)
+ item = target_class.by_id(self.conn, id_)
+ item.remove(self.conn)
+ return redir_target
+ if target_class.can_create_by_id:
+ item = target_class.by_id_or_create(self.conn, id_)
+ else:
+ item = target_class.by_id(self.conn, id_)
+ return f(self, item)
+ return wrapper
+ return decorator
+
+ def _change_versioned_timestamps(self, cls: Any, attr_name: str) -> str:
+ """Update history timestamps for VersionedAttribute."""
+ id_ = self._params.get_int_or_none('id')
+ item = cls.by_id(self.conn, id_)
+ attr = getattr(item, attr_name)
+ for k, v in self._form_data.get_first_strings_starting('at:').items():
+ old = k[3:]
+ if old[19:] != v:
+ attr.reset_timestamp(old, f'{v}.0')
+ attr.save(self.conn)
+ return f'/{cls.name_lowercase()}_{attr_name}s?id={item.id_}'
+
+ def do_POST_day(self) -> str:
+ """Update or insert Day of date and Todos mapped to it."""
+ # pylint: disable=too-many-locals
+ date = self._params.get_str('date')
+ day_comment = self._form_data.get_str('day_comment')
+ make_type = self._form_data.get_str('make_type')
+ old_todos = self._form_data.get_all_int('todo_id')
+ new_todos = self._form_data.get_all_int('new_todo')
+ comments = self._form_data.get_all_str('comment')
+ efforts = self._form_data.get_all_floats_or_nones('effort')
+ done_todos = self._form_data.get_all_int('done')
+ for _ in [id_ for id_ in done_todos if id_ not in old_todos]:
+ raise BadFormatException('"done" field refers to unknown Todo')
+ is_done = [t_id in done_todos for t_id in old_todos]
+ if not (len(old_todos) == len(is_done) == len(comments)
+ == len(efforts)):
+ msg = 'not equal number each of number of todo_id, comments, ' +\
+ 'and efforts inputs'
+ raise BadFormatException(msg)
+ day = Day.by_id_or_create(self.conn, date)
+ day.comment = day_comment
+ day.save(self.conn)
+ for process_id in sorted(new_todos):
+ if 'empty' == make_type:
+ process = Process.by_id(self.conn, process_id)
+ todo = Todo(None, process, False, date)
+ todo.save(self.conn)
+ else:
+ Todo.create_with_children(self.conn, process_id, date)
+ for i, todo_id in enumerate(old_todos):
+ todo = Todo.by_id(self.conn, todo_id)
+ todo.is_done = is_done[i]
+ todo.comment = comments[i]
+ todo.effort = efforts[i]
+ todo.save(self.conn)
+ return f'/day?date={date}&make_type={make_type}'
+
+ @_delete_or_post(Todo, '/')
+ def do_POST_todo(self, todo: Todo) -> str:
+ """Update Todo and its children."""
+ # pylint: disable=too-many-locals
+ adopted_child_ids = self._form_data.get_all_int('adopt')
+ processes_to_make_full = self._form_data.get_all_int('make_full')
+ processes_to_make_empty = self._form_data.get_all_int('make_empty')
+ fill_fors = self._form_data.get_first_strings_starting('fill_for_')
+ effort = self._form_data.get_str('effort', ignore_strict=True)
+ conditions = self._form_data.get_all_int('conditions')
+ disables = self._form_data.get_all_int('disables')
+ blockers = self._form_data.get_all_int('blockers')
+ enables = self._form_data.get_all_int('enables')
+ is_done = len(self._form_data.get_all_str('done')) > 0
+ calendarize = len(self._form_data.get_all_str('calendarize')) > 0
+ comment = self._form_data.get_str('comment', ignore_strict=True)
+ for v in fill_fors.values():
+ if v.startswith('make_empty_'):
+ processes_to_make_empty += [int(v[11:])]
+ elif v.startswith('make_full_'):
+ processes_to_make_full += [int(v[10:])]
+ elif v != 'ignore':
+ adopted_child_ids += [int(v)]
+ to_remove = []
+ for child in todo.children:
+ assert isinstance(child.id_, int)
+ if child.id_ not in adopted_child_ids:
+ to_remove += [child.id_]
+ for id_ in to_remove:
+ child = Todo.by_id(self.conn, id_)
+ todo.remove_child(child)
+ for child_id in adopted_child_ids:
+ if child_id in [c.id_ for c in todo.children]:
+ continue
+ child = Todo.by_id(self.conn, child_id)
+ todo.add_child(child)
+ for process_id in processes_to_make_empty:
+ process = Process.by_id(self.conn, process_id)
+ made = Todo(None, process, False, todo.date)
+ made.save(self.conn)
+ todo.add_child(made)
+ for process_id in processes_to_make_full:
+ made = Todo.create_with_children(self.conn, process_id, todo.date)
+ todo.add_child(made)
+ todo.effort = float(effort) if effort else None
+ todo.set_conditions(self.conn, conditions)
+ todo.set_blockers(self.conn, blockers)
+ todo.set_enables(self.conn, enables)
+ todo.set_disables(self.conn, disables)
+ todo.is_done = is_done
+ todo.calendarize = calendarize
+ todo.comment = comment
+ todo.save(self.conn)
+ return f'/todo?id={todo.id_}'
+
+ def do_POST_process_descriptions(self) -> str:
+ """Update history timestamps for Process.description."""
+ return self._change_versioned_timestamps(Process, 'description')
+
+ def do_POST_process_efforts(self) -> str:
+ """Update history timestamps for Process.effort."""
+ return self._change_versioned_timestamps(Process, 'effort')
+
+ def do_POST_process_titles(self) -> str:
+ """Update history timestamps for Process.title."""
+ return self._change_versioned_timestamps(Process, 'title')
+
+ @_delete_or_post(Process, '/processes')
+ def do_POST_process(self, process: Process) -> str:
+ """Update or insert Process of ?id= and fields defined in postvars."""
+ # pylint: disable=too-many-locals
+ # pylint: disable=too-many-statements
+ title = self._form_data.get_str('title')
+ description = self._form_data.get_str('description')
+ effort = self._form_data.get_float('effort')
+ conditions = self._form_data.get_all_int('conditions')
+ blockers = self._form_data.get_all_int('blockers')
+ enables = self._form_data.get_all_int('enables')
+ disables = self._form_data.get_all_int('disables')
+ calendarize = self._form_data.get_all_str('calendarize') != []
+ suppresses = self._form_data.get_all_int('suppresses')
+ step_of = self._form_data.get_all_str('step_of')
+ keep_steps = self._form_data.get_all_int('keep_step')
+ step_ids = self._form_data.get_all_int('steps')
+ new_top_steps = self._form_data.get_all_str('new_top_step')
+ step_process_id_to = {}
+ step_parent_id_to = {}
+ new_steps_to = {}
+ for step_id in step_ids:
+ name = f'new_step_to_{step_id}'
+ new_steps_to[step_id] = self._form_data.get_all_int(name)
+ for step_id in keep_steps:
+ name = f'step_{step_id}_process_id'
+ step_process_id_to[step_id] = self._form_data.get_int(name)
+ name = f'step_{step_id}_parent_id'
+ step_parent_id_to[step_id] = self._form_data.get_int_or_none(name)
+ process.title.set(title)
+ process.description.set(description)
+ process.effort.set(effort)
+ process.set_conditions(self.conn, conditions)
+ process.set_blockers(self.conn, blockers)
+ process.set_enables(self.conn, enables)
+ process.set_disables(self.conn, disables)
+ process.calendarize = calendarize
+ process.save(self.conn)
+ assert isinstance(process.id_, int)
+ new_step_title = None
+ steps: list[ProcessStep] = []
+ for step_id in keep_steps:
+ if step_id not in step_ids:
+ raise BadFormatException('trying to keep unknown step')
+ step = ProcessStep(step_id, process.id_,
+ step_process_id_to[step_id],
+ step_parent_id_to[step_id])
+ steps += [step]
+ for step_id in step_ids:
+ new = [ProcessStep(None, process.id_, step_process_id, step_id)
+ for step_process_id in new_steps_to[step_id]]
+ steps += new
+ for step_identifier in new_top_steps:
+ try:
+ step_process_id = int(step_identifier)
+ step = ProcessStep(None, process.id_, step_process_id, None)
+ steps += [step]
+ except ValueError:
+ new_step_title = step_identifier
+ process.set_steps(self.conn, steps)
+ process.set_step_suppressions(self.conn, suppresses)
+ owners_to_set = []
+ new_owner_title = None
+ for owner_identifier in step_of:
+ try:
+ owners_to_set += [int(owner_identifier)]
+ except ValueError:
+ new_owner_title = owner_identifier
+ process.set_owners(self.conn, owners_to_set)
+ params = f'id={process.id_}'
+ if new_step_title:
+ title_b64_encoded = b64encode(new_step_title.encode()).decode()
+ params = f'step_to={process.id_}&title_b64={title_b64_encoded}'
+ elif new_owner_title:
+ title_b64_encoded = b64encode(new_owner_title.encode()).decode()
+ params = f'has_step={process.id_}&title_b64={title_b64_encoded}'
+ process.save(self.conn)
+ return f'/process?{params}'
+
+ def do_POST_condition_descriptions(self) -> str:
+ """Update history timestamps for Condition.description."""
+ return self._change_versioned_timestamps(Condition, 'description')
+
+ def do_POST_condition_titles(self) -> str:
+ """Update history timestamps for Condition.title."""
+ return self._change_versioned_timestamps(Condition, 'title')