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Unify ParamsParser and PostvarsParser to InputsParser.
[plomtask] / plomtask / http.py
index 5d165ecf90f1ca6ebaed77e55b73a5d55ff428b8..912b635d2d07b1d954a3f65bb7d29652ec3b4307 100644 (file)
@@ -10,6 +10,7 @@ from plomtask.exceptions import HandledException, BadFormatException, \
         NotFoundException
 from plomtask.db import DatabaseConnection, DatabaseFile
 from plomtask.processes import Process
+from plomtask.conditions import Condition
 from plomtask.todos import Todo
 
 TEMPLATES_DIR = 'templates'
@@ -25,81 +26,63 @@ class TaskServer(HTTPServer):
         self.jinja = JinjaEnv(loader=JinjaFSLoader(TEMPLATES_DIR))
 
 
-class ParamsParser:
-    """Wrapper for validating and retrieving GET params."""
+class InputsParser:
+    """Wrapper for validating and retrieving dict-like HTTP inputs."""
 
-    def __init__(self, params: dict[str, list[str]]) -> None:
-        self.params = params
+    def __init__(self, dict_: dict[str, list[str]],
+                 strictness: bool = True) -> None:
+        self.inputs = dict_
+        self.strict = strictness
 
-    def get_str(self, key: str, default: str = '') -> str:
-        """Retrieve string value of key from self.params."""
-        if key not in self.params or 0 == len(self.params[key]):
+    def get_str(self, key: str, default: str = '',
+                ignore_strict: bool = False) -> str:
+        """Retrieve single/first string value of key, or default."""
+        if key not in self.inputs.keys() or 0 == len(self.inputs[key]):
+            if self.strict and not ignore_strict:
+                raise BadFormatException(f'no value found for key {key}')
             return default
-        return self.params[key][0]
+        return self.inputs[key][0]
+
+    def get_int(self, key: str) -> int:
+        """Retrieve single/first value of key as int, error if empty."""
+        val = self.get_int_or_none(key)
+        if val is None:
+            raise BadFormatException(f'unexpected empty value for: {key}')
+        return val
 
     def get_int_or_none(self, key: str) -> int | None:
-        """Retrieve int value of key from self.params, on empty return None."""
-        if key not in self.params or \
-                0 == len(''.join(list(self.params[key]))):
+        """Retrieve single/first value of key as int, return None if empty."""
+        val = self.get_str(key, ignore_strict=True)
+        if val == '':
             return None
-        val_str = self.params[key][0]
-        try:
-            return int(val_str)
-        except ValueError as e:
-            raise BadFormatException(f'Bad ?{key}= value: {val_str}') from e
-
-
-class PostvarsParser:
-    """Postvars wrapper for validating and retrieving form data."""
-
-    def __init__(self, postvars: dict[str, list[str]]) -> None:
-        self.postvars = postvars
-
-    def get_str(self, key: str) -> str:
-        """Retrieve string value of key from self.postvars."""
-        all_str = self.get_all_str(key)
-        if 0 == len(all_str):
-            raise BadFormatException(f'missing value for key: {key}')
-        return all_str[0]
-
-    def get_int(self, key: str) -> int:
-        """Retrieve int value of key from self.postvars."""
-        val = self.get_str(key)
         try:
             return int(val)
         except ValueError as e:
-            msg = f'cannot int form field value: {val}'
+            msg = f'cannot int form field value for key {key}: {val}'
             raise BadFormatException(msg) from e
 
-    def get_int_or_none(self, key: str) -> int | None:
-        """Retrieve int value of key from self.postvars, or None."""
-        if key not in self.postvars or \
-                0 == len(''.join(list(self.postvars[key]))):
-            return None
-        return self.get_int(key)
-
     def get_float(self, key: str) -> float:
         """Retrieve float value of key from self.postvars."""
         val = self.get_str(key)
         try:
             return float(val)
         except ValueError as e:
-            msg = f'cannot float form field value: {val}'
+            msg = f'cannot float form field value for key {key}: {val}'
             raise BadFormatException(msg) from e
 
     def get_all_str(self, key: str) -> list[str]:
-        """Retrieve list of string values at key from self.postvars."""
-        if key not in self.postvars:
+        """Retrieve list of string values at key."""
+        if key not in self.inputs.keys():
             return []
-        return self.postvars[key]
+        return self.inputs[key]
 
     def get_all_int(self, key: str) -> list[int]:
-        """Retrieve list of int values at key from self.postvars."""
+        """Retrieve list of int values at key."""
         all_str = self.get_all_str(key)
         try:
             return [int(s) for s in all_str if len(s) > 0]
         except ValueError as e:
-            msg = f'cannot int a form field value: {all_str}'
+            msg = f'cannot int a form field value for key {key} in: {all_str}'
             raise BadFormatException(msg) from e
 
 
@@ -111,7 +94,8 @@ class TaskHandler(BaseHTTPRequestHandler):
         """Handle any GET request."""
         try:
             conn, site, params = self._init_handling()
-            if site in {'calendar', 'day', 'process', 'processes', 'todo'}:
+            if site in {'calendar', 'day', 'process', 'processes', 'todo',
+                        'condition', 'conditions'}:
                 html = getattr(self, f'do_GET_{site}')(conn, params)
             elif '' == site:
                 self._redirect('/day')
@@ -125,7 +109,7 @@ class TaskHandler(BaseHTTPRequestHandler):
             conn.close()
 
     def do_GET_calendar(self, conn: DatabaseConnection,
-                        params: ParamsParser) -> str:
+                        params: InputsParser) -> str:
         """Show Days from ?start= to ?end=."""
         start = params.get_str('start')
         end = params.get_str('end')
@@ -134,35 +118,60 @@ class TaskHandler(BaseHTTPRequestHandler):
                 days=days, start=start, end=end)
 
     def do_GET_day(self, conn: DatabaseConnection,
-                   params: ParamsParser) -> str:
+                   params: InputsParser) -> str:
         """Show single Day of ?date=."""
         date = params.get_str('date', todays_date())
         day = Day.by_date(conn, date, create=True)
         todos = Todo.by_date(conn, date)
+        conditions_listing = []
+        for condition in Condition.all(conn):
+            enablers = Todo.enablers_for_at(conn, condition, date)
+            disablers = Todo.disablers_for_at(conn, condition, date)
+            conditions_listing += [{
+                    'condition': condition,
+                    'enablers': enablers,
+                    'disablers': disablers}]
         return self.server.jinja.get_template('day.html').render(
-                day=day, processes=Process.all(conn), todos=todos)
+                day=day, processes=Process.all(conn), todos=todos,
+                conditions_listing=conditions_listing)
 
     def do_GET_todo(self, conn: DatabaseConnection, params:
-                    ParamsParser) -> str:
+                    InputsParser) -> str:
         """Show single Todo of ?id=."""
         id_ = params.get_int_or_none('id')
         todo = Todo.by_id(conn, id_)
-        candidates = Todo.by_date(conn, todo.day.date)
+        todo_candidates = Todo.by_date(conn, todo.day.date)
         return self.server.jinja.get_template('todo.html').render(
-                todo=todo, candidates=candidates)
+                todo=todo, todo_candidates=todo_candidates,
+                condition_candidates=Condition.all(conn))
+
+    def do_GET_conditions(self, conn: DatabaseConnection,
+                          _: InputsParser) -> str:
+        """Show all Conditions."""
+        return self.server.jinja.get_template('conditions.html').render(
+                conditions=Condition.all(conn))
+
+    def do_GET_condition(self, conn: DatabaseConnection,
+                         params: InputsParser) -> str:
+        """Show Condition of ?id=."""
+        id_ = params.get_int_or_none('id')
+        condition = Condition.by_id(conn, id_, create=True)
+        return self.server.jinja.get_template('condition.html').render(
+                condition=condition)
 
     def do_GET_process(self, conn: DatabaseConnection,
-                       params: ParamsParser) -> str:
+                       params: InputsParser) -> str:
         """Show process of ?id=."""
         id_ = params.get_int_or_none('id')
         process = Process.by_id(conn, id_, create=True)
         owners = process.used_as_step_by(conn)
         return self.server.jinja.get_template('process.html').render(
                 process=process, steps=process.get_steps(conn),
-                owners=owners, candidates=Process.all(conn))
+                owners=owners, process_candidates=Process.all(conn),
+                condition_candidates=Condition.all(conn))
 
     def do_GET_processes(self, conn: DatabaseConnection,
-                         _: ParamsParser) -> str:
+                         _: InputsParser) -> str:
         """Show all Processes."""
         return self.server.jinja.get_template('processes.html').render(
                 processes=Process.all(conn))
@@ -174,8 +183,9 @@ class TaskHandler(BaseHTTPRequestHandler):
             length = int(self.headers['content-length'])
             postvars = parse_qs(self.rfile.read(length).decode(),
                                 keep_blank_values=True, strict_parsing=True)
-            form_data = PostvarsParser(postvars)
-            if site in ('day', 'process', 'todo'):
+            # form_data = PostvarsParser(postvars)
+            form_data = InputsParser(postvars)
+            if site in ('day', 'process', 'todo', 'condition'):
                 getattr(self, f'do_POST_{site}')(conn, params, form_data)
                 conn.commit()
             else:
@@ -187,8 +197,8 @@ class TaskHandler(BaseHTTPRequestHandler):
         finally:
             conn.close()
 
-    def do_POST_day(self, conn: DatabaseConnection, params: ParamsParser,
-                    form_data: PostvarsParser) -> None:
+    def do_POST_day(self, conn: DatabaseConnection, params: InputsParser,
+                    form_data: InputsParser) -> None:
         """Update or insert Day of date and Todos mapped to it."""
         date = params.get_str('date')
         day = Day.by_date(conn, date, create=True)
@@ -200,8 +210,8 @@ class TaskHandler(BaseHTTPRequestHandler):
             todo = Todo(None, process, False, day)
             todo.save(conn)
 
-    def do_POST_todo(self, conn: DatabaseConnection, params: ParamsParser,
-                     form_data: PostvarsParser) -> None:
+    def do_POST_todo(self, conn: DatabaseConnection, params: InputsParser,
+                     form_data: InputsParser) -> None:
         """Update Todo and its children."""
         id_ = params.get_int_or_none('id')
         todo = Todo.by_id(conn, id_)
@@ -209,17 +219,27 @@ class TaskHandler(BaseHTTPRequestHandler):
         if child_id is not None:
             child = Todo.by_id(conn, child_id)
             todo.add_child(child)
+        todo.set_conditions(conn, form_data.get_all_int('condition'))
+        todo.set_fulfills(conn, form_data.get_all_int('fulfills'))
+        todo.set_undoes(conn, form_data.get_all_int('undoes'))
         todo.is_done = len(form_data.get_all_str('done')) > 0
         todo.save(conn)
+        for condition in todo.fulfills:
+            condition.save(conn)
+        for condition in todo.undoes:
+            condition.save(conn)
 
-    def do_POST_process(self, conn: DatabaseConnection, params: ParamsParser,
-                        form_data: PostvarsParser) -> None:
+    def do_POST_process(self, conn: DatabaseConnection, params: InputsParser,
+                        form_data: InputsParser) -> None:
         """Update or insert Process of ?id= and fields defined in postvars."""
         id_ = params.get_int_or_none('id')
         process = Process.by_id(conn, id_, create=True)
         process.title.set(form_data.get_str('title'))
         process.description.set(form_data.get_str('description'))
         process.effort.set(form_data.get_float('effort'))
+        process.set_conditions(conn, form_data.get_all_int('condition'))
+        process.set_fulfills(conn, form_data.get_all_int('fulfills'))
+        process.set_undoes(conn, form_data.get_all_int('undoes'))
         process.save_without_steps(conn)
         assert process.id_ is not None  # for mypy
         process.explicit_steps = []
@@ -236,11 +256,21 @@ class TaskHandler(BaseHTTPRequestHandler):
             process.add_step(conn, None, step_process_id, None)
         process.fix_steps(conn)
 
-    def _init_handling(self) -> tuple[DatabaseConnection, str, ParamsParser]:
+    def do_POST_condition(self, conn: DatabaseConnection, params: InputsParser,
+                          form_data: InputsParser) -> None:
+        """Update/insert Condition of ?id= and fields defined in postvars."""
+        id_ = params.get_int_or_none('id')
+        condition = Condition.by_id(conn, id_, create=True)
+        condition.title.set(form_data.get_str('title'))
+        condition.description.set(form_data.get_str('description'))
+        condition.save(conn)
+
+    def _init_handling(self) -> tuple[DatabaseConnection, str, InputsParser]:
         conn = DatabaseConnection(self.server.db)
         parsed_url = urlparse(self.path)
         site = path_split(parsed_url.path)[1]
-        params = ParamsParser(parse_qs(parsed_url.query, strict_parsing=True))
+        params = InputsParser(parse_qs(parsed_url.query, strict_parsing=True),
+                              False)
         return conn, site, params
 
     def _redirect(self, target: str) -> None: