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Create choice for creating Todos with or without children.
[plomtask] / plomtask / http.py
index 44c710b3b9bd46e04f67a210d6c3e526b0d43724..e9e23633a92ddd5b02d9402dfaefae357476b125 100644 (file)
@@ -1,4 +1,6 @@
 """Web server stuff."""
+from __future__ import annotations
+from dataclasses import dataclass
 from typing import Any
 from base64 import b64encode, b64decode
 from http.server import BaseHTTPRequestHandler
@@ -11,13 +13,23 @@ from plomtask.days import Day
 from plomtask.exceptions import HandledException, BadFormatException, \
         NotFoundException
 from plomtask.db import DatabaseConnection, DatabaseFile
-from plomtask.processes import Process, ProcessStep
+from plomtask.processes import Process, ProcessStep, ProcessStepsNode
 from plomtask.conditions import Condition
 from plomtask.todos import Todo
 
 TEMPLATES_DIR = 'templates'
 
 
+@dataclass
+class TodoStepsNode:
+    """Collect what's useful for Todo steps tree display."""
+    id_: int
+    todo: Todo | None
+    process: Process | None
+    children: list[TodoStepsNode]
+    fillable: bool = False
+
+
 class TaskServer(HTTPServer):
     """Variant of HTTPServer that knows .jinja as Jinja Environment."""
 
@@ -46,7 +58,7 @@ class InputsParser:
         return self.inputs[key][0]
 
     def get_first_strings_starting(self, prefix: str) -> dict[str, str]:
-        """Retrieve list of (first) strings at key starting with prefix."""
+        """Retrieve dict of (first) strings at key starting with prefix."""
         ret = {}
         for key in [k for k in self.inputs.keys() if k.startswith(prefix)]:
             ret[key] = self.inputs[key][0]
@@ -143,6 +155,7 @@ class TaskHandler(BaseHTTPRequestHandler):
     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('make_type')
         todays_todos = Todo.by_date(self.conn, date)
         total_effort = 0.0
         for todo in todays_todos:
@@ -166,6 +179,7 @@ class TaskHandler(BaseHTTPRequestHandler):
         return {'day': Day.by_id(self.conn, date, create=True),
                 'total_effort': total_effort,
                 'top_nodes': top_nodes,
+                'make_type': make_type,
                 'enablers_for': enablers_for,
                 'disablers_for': disablers_for,
                 'conditions_present': conditions_present,
@@ -173,11 +187,68 @@ class TaskHandler(BaseHTTPRequestHandler):
 
     def do_GET_todo(self) -> dict[str, object]:
         """Show single Todo of ?id=."""
+
+        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
+
         id_ = self.params.get_int('id')
         todo = Todo.by_id(self.conn, id_)
-        return {'todo': todo,
+        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 != 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': Todo.by_date(self.conn, todo.date),
+                'todo_candidates': any_adoptables,
                 'condition_candidates': Condition.all(self.conn)}
 
     def do_GET_todos(self) -> dict[str, object]:
@@ -342,8 +413,14 @@ class TaskHandler(BaseHTTPRequestHandler):
         day = Day.by_id(self.conn, date, create=True)
         day.comment = self.form_data.get_str('day_comment')
         day.save(self.conn)
+        make_type = self.form_data.get_str('make_type')
         for process_id in sorted(self.form_data.get_all_int('new_todo')):
-            Todo.create_with_children(self.conn, process_id, date)
+            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)
         done_ids = self.form_data.get_all_int('done')
         comments = self.form_data.get_all_str('comment')
         efforts = self.form_data.get_all_str('effort')
@@ -359,10 +436,12 @@ class TaskHandler(BaseHTTPRequestHandler):
                 condition.save(self.conn)
             for condition in todo.disables:
                 condition.save(self.conn)
-        return f'/day?date={date}'
+        return f'/day?date={date}&make_type={make_type}'
 
     def do_POST_todo(self) -> str:
         """Update Todo and its children."""
+        # pylint: disable=too-many-locals
+        # pylint: disable=too-many-branches
         id_ = self.params.get_int('id')
         for _ in self.form_data.get_all_str('delete'):
             todo = Todo .by_id(self.conn, id_)
@@ -370,17 +449,35 @@ class TaskHandler(BaseHTTPRequestHandler):
             return '/'
         todo = Todo.by_id(self.conn, id_)
         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_')
+        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:
-                assert isinstance(child.id_, int)
-                child = Todo.by_id(self.conn, child.id_)
-                todo.remove_child(child)
+                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 self.form_data.get_all_int('make'):
+        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)
         effort = self.form_data.get_str('effort', ignore_strict=True)
@@ -389,8 +486,7 @@ class TaskHandler(BaseHTTPRequestHandler):
         todo.set_blockers(self.conn, self.form_data.get_all_int('blocker'))
         todo.set_enables(self.conn, self.form_data.get_all_int('enables'))
         todo.set_disables(self.conn, self.form_data.get_all_int('disables'))
-        if len(self.form_data.get_all_str('done')) > 0 != todo.is_done:
-            todo.is_done = len(self.form_data.get_all_str('done')) > 0
+        todo.is_done = len(self.form_data.get_all_str('done')) > 0
         todo.calendarize = len(self.form_data.get_all_str('calendarize')) > 0
         todo.comment = self.form_data.get_str('comment', ignore_strict=True)
         todo.save(self.conn)