"""Web server stuff."""
+from __future__ import annotations
+from inspect import signature
+from typing import Any, Callable
+from base64 import b64encode, b64decode
+from binascii import Error as binascii_Exception
from http.server import BaseHTTPRequestHandler
from http.server import HTTPServer
from urllib.parse import urlparse, parse_qs
+from json import dumps as json_dumps
from os.path import split as path_split
from jinja2 import Environment as JinjaEnv, FileSystemLoader as JinjaFSLoader
+from plomtask.dating import date_in_n_days
from plomtask.days import Day
-from plomtask.misc import HandledException
-from plomtask.db import DatabaseConnection
+from plomtask.exceptions import (HandledException, BadFormatException,
+ NotFoundException)
+from plomtask.db import DatabaseConnection, DatabaseFile, BaseModel
+from plomtask.processes import Process, ProcessStep, ProcessStepsNode
+from plomtask.conditions import Condition
+from plomtask.todos import Todo, TodoOrProcStepNode
+from plomtask.misc import DictableNode
TEMPLATES_DIR = 'templates'
class TaskServer(HTTPServer):
"""Variant of HTTPServer that knows .jinja as Jinja Environment."""
- def __init__(self, db_file, *args, **kwargs):
+ def __init__(self, db_file: DatabaseFile,
+ *args: Any, **kwargs: Any) -> None:
super().__init__(*args, **kwargs)
self.db = db_file
+ self.render_mode = 'html'
self.jinja = JinjaEnv(loader=JinjaFSLoader(TEMPLATES_DIR))
+class InputsParser:
+ """Wrapper for validating and retrieving dict-like HTTP inputs."""
+
+ def __init__(self, dict_: dict[str, list[str]]) -> None:
+ self.inputs = dict_
+
+ def get_all_str(self, key: str) -> list[str]:
+ """Retrieve list of string values at key (empty if no key)."""
+ if key not in self.inputs.keys():
+ return []
+ return self.inputs[key]
+
+ def get_all_int(self, key: str, fail_on_empty: bool = False) -> list[int]:
+ """Retrieve list of int values at key."""
+ all_str = self.get_all_str(key)
+ try:
+ return [int(s) for s in all_str if fail_on_empty or s != '']
+ except ValueError as e:
+ msg = f'cannot int a form field value for key {key} in: {all_str}'
+ raise BadFormatException(msg) from e
+
+ def get_str(self, key: str, default: str | None = None) -> str | None:
+ """Retrieve single/first string value of key, or default."""
+ vals = self.get_all_str(key)
+ if vals:
+ return vals[0]
+ return default
+
+ def get_str_or_fail(self, key: str, default: str | None = None) -> str:
+ """Retrieve first string value of key, if none: fail or default."""
+ vals = self.get_all_str(key)
+ if not vals:
+ if default is not None:
+ return default
+ raise BadFormatException(f'no value found for key: {key}')
+ return vals[0]
+
+ def get_int_or_none(self, key: str) -> int | None:
+ """Retrieve single/first value of key as int, return None if empty."""
+ val = self.get_str_or_fail(key, '')
+ if val == '':
+ return None
+ try:
+ return int(val)
+ except (ValueError, TypeError) as e:
+ msg = f'cannot int form field value for key {key}: {val}'
+ raise BadFormatException(msg) from e
+
+ def get_bool_or_none(self, key: str) -> bool | None:
+ """Return value to key if truish; if no value to key, None."""
+ val = self.get_str(key)
+ if val is None:
+ return None
+ return val in {'True', 'true', '1', 'on'}
+
+ def get_all_of_key_prefixed(self, key_prefix: str) -> dict[str, list[str]]:
+ """Retrieve dict of strings at keys starting with key_prefix."""
+ ret = {}
+ for key in [k for k in self.inputs.keys() if k.startswith(key_prefix)]:
+ ret[key[len(key_prefix):]] = self.inputs[key]
+ return ret
+
+ def get_float_or_fail(self, key: str) -> float:
+ """Retrieve float value of key from self.postvars, fail if none."""
+ val = self.get_str_or_fail(key)
+ try:
+ return float(val)
+ except ValueError as e:
+ msg = f'cannot float form field value for key {key}: {val}'
+ raise BadFormatException(msg) from e
+
+ def get_all_floats_or_nones(self, key: str) -> list[float | None]:
+ """Retrieve list of float value at key, None if empty strings."""
+ ret: list[float | None] = []
+ for val in self.get_all_str(key):
+ if '' == val:
+ ret += [None]
+ else:
+ try:
+ ret += [float(val)]
+ except ValueError as e:
+ msg = f'cannot float form field value for key {key}: {val}'
+ raise BadFormatException(msg) from e
+ return ret
+
+
class TaskHandler(BaseHTTPRequestHandler):
"""Handles single HTTP request."""
+ # pylint: disable=too-many-public-methods
server: TaskServer
+ _conn: DatabaseConnection
+ _site: str
+ _form: InputsParser
+ _params: InputsParser
- def do_GET(self):
- """Handle any GET request."""
- try:
- conn, site, params = self._init_handling()
- if 'calendar' == site:
- html = self.do_GET_calendar(conn)
- elif 'day' == site:
- date = params.get('date', ['2024-01-01'])[0]
- html = self.do_GET_day(conn, date)
- else:
- raise HandledException('Test!')
- conn.commit()
- conn.close()
- self._send_html(html)
- except HandledException as error:
- self._send_msg(error)
-
- def do_GET_calendar(self, conn: DatabaseConnection):
- """Show Days."""
- return self.server.jinja.get_template('calendar.html').render(
- days=Day.all(conn))
-
- def do_GET_day(self, conn: DatabaseConnection, date: str):
- """Show single Day."""
- day = Day.by_date(conn, date)
- return self.server.jinja.get_template('day.html').render(day=day)
-
- def do_POST(self):
- """Handle any POST request."""
- try:
- conn, site, params = self._init_handling()
- length = int(self.headers['content-length'])
- postvars = parse_qs(self.rfile.read(length).decode(),
- keep_blank_values=1)
- if 'day' == site:
- date = params.get('date', ['2024-01-01'])[0]
- self.do_POST_day(conn, date, postvars)
- conn.commit()
- conn.close()
- self._redirect('/')
- except HandledException as error:
- self._send_msg(error)
-
- def do_POST_day(self, conn: DatabaseConnection, date: str, postvars: dict):
- """Update or insert Day of date and fields defined in postvars."""
- comment = postvars['comment'][0]
- day = Day.by_date(conn, date, create=True)
- day.comment = comment
- day.save(conn)
-
- def _init_handling(self):
- conn = DatabaseConnection(self.server.db)
- parsed_url = urlparse(self.path)
- site = path_split(parsed_url.path)[1]
- params = parse_qs(parsed_url.query)
- return conn, site, params
-
- def _redirect(self, target: str):
- self.send_response(302)
- self.send_header('Location', target)
- self.end_headers()
+ def _send_page(
+ self, ctx: dict[str, Any], tmpl_name: str, code: int = 200
+ ) -> None:
+ """HTTP-send ctx as HTML or JSON, as defined by .server.render_mode.
- def _send_html(self, html: str, code: int = 200):
- """Send HTML as proper HTTP response."""
+ The differentiation by .server.render_mode serves to allow easily
+ comparable JSON responses for automatic testing.
+ """
+ body: str
+ headers: list[tuple[str, str]] = []
+ if 'html' == self.server.render_mode:
+ tmpl = self.server.jinja.get_template(f'{tmpl_name}.html')
+ body = tmpl.render(ctx)
+ else:
+ body = self._ctx_to_json(ctx)
+ headers += [('Content-Type', 'application/json')]
self.send_response(code)
+ for header_tuple in headers:
+ self.send_header(*header_tuple)
self.end_headers()
- self.wfile.write(bytes(html, 'utf-8'))
+ self.wfile.write(bytes(body, 'utf-8'))
+
+ def _ctx_to_json(self, ctx: dict[str, object]) -> str:
+ """Render ctx into JSON string.
+
+ Flattens any objects that json.dumps might not want to serialize, and
+ turns occurrences of BaseModel objects into listings of their .id_, to
+ be resolved to a full dict inside a top-level '_library' dictionary,
+ to avoid endless and circular nesting.
+ """
+
+ def flatten(node: object) -> object:
+
+ def update_library_with(
+ item: BaseModel[int] | BaseModel[str]) -> None:
+ cls_name = item.__class__.__name__
+ if cls_name not in library:
+ library[cls_name] = {}
+ if item.id_ not in library[cls_name]:
+ d, refs = item.as_dict_and_refs
+ id_key = '?' if item.id_ is None else item.id_
+ library[cls_name][id_key] = d
+ for ref in refs:
+ update_library_with(ref)
+
+ if isinstance(node, BaseModel):
+ update_library_with(node)
+ return node.id_
+ if isinstance(node, DictableNode):
+ d, refs = node.as_dict_and_refs
+ for ref in refs:
+ update_library_with(ref)
+ return d
+ if isinstance(node, (list, tuple)):
+ return [flatten(item) for item in node]
+ if isinstance(node, dict):
+ d = {}
+ for k, v in node.items():
+ d[k] = flatten(v)
+ return d
+ if isinstance(node, HandledException):
+ return str(node)
+ return node
+
+ library: dict[str, dict[str | int, object]] = {}
+ for k, v in ctx.items():
+ ctx[k] = flatten(v)
+ ctx['_library'] = library
+ return json_dumps(ctx)
+
+ @staticmethod
+ def _request_wrapper(http_method: str, not_found_msg: str
+ ) -> Callable[..., Callable[[TaskHandler], None]]:
+ """Wrapper for do_GET… and do_POST… handlers, to init and clean up.
+
+ Among other things, conditionally cleans all caches, but only on POST
+ requests, as only those are expected to change the states of objects
+ that may be cached, and certainly only those are expected to write any
+ changes to the database. We want to call them as early though as
+ possible here, either exactly after the specific request handler
+ returns successfully, or right after any exception is triggered –
+ otherwise, race conditions become plausible.
+
+ Note that otherwise any POST attempt, even a failed one, may end in
+ problematic inconsistencies:
+
+ - if the POST handler experiences an Exception, changes to objects
+ won't get written to the DB, but the changed objects may remain in
+ the cache and affect other objects despite their possibly illegal
+ state
+
+ - even if an object was just saved to the DB, we cannot be sure its
+ current state is completely identical to what we'd get if loading it
+ fresh from the DB (e.g. currently Process.n_owners is only updated
+ when loaded anew via .from_table_row, nor is its state written to
+ the DB by .save; a questionable design choice, but proof that we
+ have no guarantee that objects' .save stores all their states we'd
+ prefer at their most up-to-date.
+ """
+
+ def clear_caches() -> None:
+ for cls in (Day, Todo, Condition, Process, ProcessStep):
+ assert hasattr(cls, 'empty_cache')
+ cls.empty_cache()
+
+ 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,
+ keep_blank_values=True,
+ strict_parsing=True)
+ self._params = InputsParser(params)
+ handler_name = f'do_{http_method}_{self._site}'
+ if hasattr(self, handler_name):
+ handler = getattr(self, handler_name)
+ redir_target = f(self, handler)
+ if 'POST' == http_method:
+ clear_caches()
+ 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:
+ if 'POST' == http_method:
+ clear_caches()
+ 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)
+ self._form = 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_ = None
+ for val in self._params.get_all_int('id', fail_on_empty=True):
+ id_ = val
+ 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_)
+ if 'exists' in signature(f).parameters:
+ exists = id_ is not None and target_class._get_cached(id_)
+ return f(self, item, exists)
+ 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_or_fail('start', '')
+ end = self._params.get_str_or_fail('end', '')
+ end = end if end != '' else date_in_n_days(366)
+ #
+ days, start, end = Day.by_date_range_with_limits(self._conn,
+ (start, end), 'id')
+ 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))
+ make_type = self._params.get_str_or_fail('make_type', 'full')
+ #
+ day = Day.by_id_or_create(self._conn, date)
+ 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=."""
+
+ def walk_process_steps(node_id: int,
+ process_step_nodes: list[ProcessStepsNode],
+ steps_nodes: list[TodoOrProcStepNode]) -> int:
+ for process_step_node in process_step_nodes:
+ node_id += 1
+ proc = Process.by_id(self._conn,
+ process_step_node.step.step_process_id)
+ node = TodoOrProcStepNode(node_id, None, proc, [])
+ steps_nodes += [node]
+ node_id = walk_process_steps(
+ node_id, process_step_node.steps, node.children)
+ return node_id
+
+ def walk_todo_steps(node_id: int, todos: list[Todo],
+ steps_nodes: list[TodoOrProcStepNode]) -> int:
+ 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
+ node_id = walk_todo_steps(
+ node_id, todo.children, match.children)
+ if not matched:
+ node_id += 1
+ node = TodoOrProcStepNode(node_id, todo, None, [])
+ steps_nodes += [node]
+ node_id = walk_todo_steps(
+ node_id, todo.children, node.children)
+ return node_id
+
+ def collect_adoptables_keys(
+ steps_nodes: list[TodoOrProcStepNode]) -> 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[TodoOrProcStepNode] = []
+ last_node_id = walk_process_steps(0, process_tree,
+ steps_todo_to_process)
+ for steps_node in steps_todo_to_process:
+ steps_node.fillable = True
+ walk_todo_steps(last_node_id, 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': sorted(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_or_fail('sort_by', 'title')
+ start = self._params.get_str_or_fail('start', '')
+ end = self._params.get_str_or_fail('end', '')
+ process_id = self._params.get_int_or_none('process_id')
+ comment_pattern = self._params.get_str_or_fail('comment_pattern', '')
+ #
+ 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)]
+ sort_by = Todo.sort_by(todos, sort_by)
+ 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_or_fail('pattern', '')
+ sort_by = self._params.get_str_or_fail('sort_by', 'title')
+ #
+ conditions = Condition.matching(self._conn, pattern)
+ sort_by = Condition.sort_by(conditions, sort_by)
+ return {'conditions': conditions,
+ 'sort_by': sort_by,
+ 'pattern': pattern}
+
+ @_get_item(Condition)
+ def do_GET_condition(self,
+ c: Condition,
+ exists: bool
+ ) -> dict[str, object]:
+ """Show Condition of ?id=."""
+ ps = Process.all(self._conn)
+ return {'condition': c,
+ 'is_new': not exists,
+ '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,
+ exists: bool
+ ) -> dict[str, object]:
+ """Show Process of ?id=."""
+ owner_ids = self._params.get_all_int('step_to')
+ owned_ids = self._params.get_all_int('has_step')
+ title_64 = self._params.get_str('title_b64')
+ title_new = None
+ if title_64:
+ try:
+ title_new = b64decode(title_64.encode()).decode()
+ except binascii_Exception as exc:
+ msg = 'invalid base64 for ?title_b64='
+ raise BadFormatException(msg) from exc
+ #
+ if title_new:
+ process.title.set(title_new)
+ preset_top_step = None
+ owners = process.used_as_step_by(self._conn)
+ for step_id in owner_ids:
+ owners += [Process.by_id(self._conn, step_id)]
+ for process_id in owned_ids:
+ Process.by_id(self._conn, process_id) # to ensure ID exists
+ preset_top_step = process_id
+ return {'process': process,
+ 'is_new': not exists,
+ '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_or_fail('pattern', '')
+ sort_by = self._params.get_str_or_fail('sort_by', 'title')
+ #
+ processes = Process.matching(self._conn, pattern)
+ sort_by = Process.sort_by(processes, sort_by)
+ 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.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, vals in self._form.get_all_of_key_prefixed('at:').items():
+ if k[19:] != vals[0]:
+ attr.reset_timestamp(k, f'{vals[0]}.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_or_fail('date')
+ day_comment = self._form.get_str_or_fail('day_comment')
+ make_type = self._form.get_str_or_fail('make_type')
+ old_todos = self._form.get_all_int('todo_id')
+ new_todos_by_process = self._form.get_all_int('new_todo')
+ comments = self._form.get_all_str('comment')
+ efforts = self._form.get_all_floats_or_nones('effort')
+ done_todos = self._form.get_all_int('done')
+ 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)
+ for _ in [id_ for id_ in done_todos if id_ not in old_todos]:
+ raise BadFormatException('"done" field refers to unknown Todo')
+ #
+ day = Day.by_id_or_create(self._conn, date)
+ day.comment = day_comment
+ day.save(self._conn)
+ new_todos = []
+ for process_id in sorted(new_todos_by_process):
+ process = Process.by_id(self._conn, process_id)
+ todo = Todo(None, process, False, date)
+ todo.save(self._conn)
+ new_todos += [todo]
+ if 'full' == make_type:
+ for todo in new_todos:
+ todo.ensure_children(self._conn)
+ 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
+ # pylint: disable=too-many-branches
+ # pylint: disable=too-many-statements
+ assert todo.id_ is not None
+ adoptees = [(id_, todo.id_) for id_ in self._form.get_all_int('adopt')]
+ to_make = {'full': [(id_, todo.id_)
+ for id_ in self._form.get_all_int('make_full')],
+ 'empty': [(id_, todo.id_)
+ for id_ in self._form.get_all_int('make_empty')]}
+ step_fillers_to = self._form.get_all_of_key_prefixed('step_filler_to_')
+ to_update: dict[str, Any] = {
+ 'comment': self._form.get_str_or_fail('comment', '')}
+ for k in ('is_done', 'calendarize'):
+ v = self._form.get_bool_or_none(k)
+ if v is not None:
+ to_update[k] = v
+ cond_rels = [self._form.get_all_int(name) for name in
+ ['conditions', 'blockers', 'enables', 'disables']]
+ effort_or_not = self._form.get_str('effort')
+ if effort_or_not is not None:
+ if effort_or_not == '':
+ to_update['effort'] = None
+ else:
+ try:
+ to_update['effort'] = float(effort_or_not)
+ except ValueError as e:
+ msg = 'cannot float form field value for key: effort'
+ raise BadFormatException(msg) from e
+ for k, fillers in step_fillers_to.items():
+ try:
+ parent_id = int(k)
+ except ValueError as e:
+ msg = f'bad step_filler_to_ key: {k}'
+ raise BadFormatException(msg) from e
+ for filler in [f for f in fillers if f != 'ignore']:
+ target_id: int
+ prefix = 'make_'
+ to_int = filler[5:] if filler.startswith(prefix) else filler
+ try:
+ target_id = int(to_int)
+ except ValueError as e:
+ msg = f'bad fill_for target: {filler}'
+ raise BadFormatException(msg) from e
+ if filler.startswith(prefix):
+ to_make['empty'] += [(target_id, parent_id)]
+ else:
+ adoptees += [(target_id, parent_id)]
+ #
+ todo.set_condition_relations(self._conn, *cond_rels)
+ for parent in [Todo.by_id(self._conn, a[1])
+ for a in adoptees] + [todo]:
+ for child in parent.children:
+ if child not in [t[0] for t in adoptees
+ if t[0] == child.id_ and t[1] == parent.id_]:
+ parent.remove_child(child)
+ parent.save(self._conn)
+ for child_id, parent_id in adoptees:
+ parent = Todo.by_id(self._conn, parent_id)
+ if child_id not in [c.id_ for c in parent.children]:
+ parent.add_child(Todo.by_id(self._conn, child_id))
+ parent.save(self._conn)
+ todo.update_attrs(**to_update)
+ for approach, make_data in to_make.items():
+ for process_id, parent_id in make_data:
+ parent = Todo.by_id(self._conn, parent_id)
+ process = Process.by_id(self._conn, process_id)
+ made = Todo(None, process, False, todo.date)
+ made.save(self._conn)
+ if 'full' == approach:
+ made.ensure_children(self._conn)
+ parent.add_child(made)
+ parent.save(self._conn)
+ # todo.save() may destroy Todo if .effort < 0, so retrieve .id_ early
+ url = f'/todo?id={todo.id_}'
+ todo.save(self._conn)
+ return url
+
+ 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
+
+ def id_or_title(l_id_or_title: list[str]) -> tuple[str, list[int]]:
+ l_ids, title = [], ''
+ for id_or_title in l_id_or_title:
+ try:
+ l_ids += [int(id_or_title)]
+ except ValueError:
+ title = id_or_title
+ return title, l_ids
+
+ versioned = {'title': self._form.get_str_or_fail('title'),
+ 'description': self._form.get_str_or_fail('description'),
+ 'effort': self._form.get_float_or_fail('effort')}
+ cond_rels = [self._form.get_all_int(s) for s
+ in ['conditions', 'blockers', 'enables', 'disables']]
+ calendarize = self._form.get_bool_or_none('calendarize')
+ step_of = self._form.get_all_str('step_of')
+ suppressions = self._form.get_all_int('suppresses')
+ kept_steps = self._form.get_all_int('kept_steps')
+ new_top_step_procs = self._form.get_all_str('new_top_step')
+ new_steps_to = {}
+ for step_id in kept_steps:
+ name = f'new_step_to_{step_id}'
+ new_steps_to[step_id] = self._form.get_all_int(name)
+ new_owner_title, owners_to_set = id_or_title(step_of)
+ new_step_title, new_top_step_proc_ids = id_or_title(new_top_step_procs)
+ #
+ for k, v in versioned.items():
+ getattr(process, k).set(v)
+ if calendarize is not None:
+ process.calendarize = calendarize
+ process.save(self._conn)
+ assert isinstance(process.id_, int)
+ # set relations to Conditions and ProcessSteps / other Processes
+ process.set_condition_relations(self._conn, *cond_rels)
+ owned_steps = []
+ for step_id in kept_steps:
+ owned_steps += [ProcessStep.by_id(self._conn, step_id)]
+ owned_steps += [ # new sub-steps
+ ProcessStep(None, process.id_, step_process_id, step_id)
+ for step_process_id in new_steps_to[step_id]]
+ for step_process_id in new_top_step_proc_ids:
+ owned_steps += [ProcessStep(None, process.id_, step_process_id,
+ None)]
+ process.set_step_relations(self._conn, owners_to_set, suppressions,
+ owned_steps)
+ # encode titles for potential newly-to-create Processes up or down
+ 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')
- def _send_msg(self, msg: str, code: int = 400):
- """Send message in HTML formatting as HTTP response."""
- html = self.server.jinja.get_template('msg.html').render(msg=msg)
- self._send_html(html, code)
+ @_delete_or_post(Condition, '/conditions')
+ def do_POST_condition(self, condition: Condition) -> str:
+ """Update/insert Condition of ?id= and fields defined in postvars."""
+ title = self._form.get_str_or_fail('title')
+ description = self._form.get_str_or_fail('description')
+ is_active = self._form.get_bool_or_none('is_active')
+ #
+ if is_active is not None:
+ condition.is_active = is_active
+ condition.title.set(title)
+ condition.description.set(description)
+ condition.save(self._conn)
+ return f'/condition?id={condition.id_}'
projects / plomtask / blobdiff