Add birthday task, change migrations to use date instead of datetime

alembic/versions/0d03c226d881_initial_currency_models.py

@@ -37,7 +37,7 @@ def upgrade() -> None:
         "nightly_data",
         sa.Column("nightly_id", sa.Integer(), nullable=False),
         sa.Column("user_id", sa.BigInteger(), nullable=True),
-        sa.Column("last_nightly", sa.DateTime(timezone=True), nullable=True),
+        sa.Column("last_nightly", sa.Date, nullable=True),
         sa.Column("count", sa.Integer(), server_default="0", nullable=False),
         sa.ForeignKeyConstraint(
             ["user_id"],

alembic/versions/1716bfecf684_add_birthdays.py

@@ -22,7 +22,7 @@ def upgrade() -> None:
         "birthdays",
         sa.Column("birthday_id", sa.Integer(), nullable=False),
         sa.Column("user_id", sa.BigInteger(), nullable=True),
-        sa.Column("birthday", sa.DateTime(), nullable=False),
+        sa.Column("birthday", sa.Date, nullable=False),
         sa.ForeignKeyConstraint(
             ["user_id"],
             ["users.user_id"],

alembic/versions/346b408c362a_create_tasks.py

@@ -0,0 +1,35 @@
+"""Create tasks
+
+Revision ID: 346b408c362a
+Revises: 1716bfecf684
+Create Date: 2022-07-23 19:41:07.029482
+
+"""
+import sqlalchemy as sa
+
+from alembic import op
+
+# revision identifiers, used by Alembic.
+revision = "346b408c362a"
+down_revision = "1716bfecf684"
+branch_labels = None
+depends_on = None
+
+
+def upgrade() -> None:
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.create_table(
+        "tasks",
+        sa.Column("task_id", sa.Integer(), nullable=False),
+        sa.Column("task", sa.Enum("BIRTHDAYS", "UFORA_ANNOUNCEMENTS", name="tasktype"), nullable=False),
+        sa.Column("previous_run", sa.DateTime(), nullable=True),
+        sa.PrimaryKeyConstraint("task_id"),
+        sa.UniqueConstraint("task"),
+    )
+    # ### end Alembic commands ###
+
+
+def downgrade() -> None:
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.drop_table("tasks")
+    # ### end Alembic commands ###

alembic/versions/4ec79dd5b191_initial_migration.py

@@ -1,16 +1,16 @@
 """Initial migration
 
 Revision ID: 4ec79dd5b191
-Revises: 
+Revises:
 Create Date: 2022-06-19 00:31:58.384360
 
 """
-from alembic import op
 import sqlalchemy as sa
 
+from alembic import op
 
 # revision identifiers, used by Alembic.
-revision = '4ec79dd5b191'
+revision = "4ec79dd5b191"
 down_revision = None
 branch_labels = None
 depends_on = None
@@ -18,37 +18,46 @@ depends_on = None
 
 def upgrade() -> None:
     # ### commands auto generated by Alembic - please adjust! ###
-    op.create_table('ufora_courses',
-    sa.Column('course_id', sa.Integer(), nullable=False),
-    sa.Column('name', sa.Text(), nullable=False),
-    sa.Column('code', sa.Text(), nullable=False),
-    sa.Column('year', sa.Integer(), nullable=False),
-    sa.Column('log_announcements', sa.Boolean(), nullable=False),
-    sa.PrimaryKeyConstraint('course_id'),
-    sa.UniqueConstraint('code'),
-    sa.UniqueConstraint('name')
+    op.create_table(
+        "ufora_courses",
+        sa.Column("course_id", sa.Integer(), nullable=False),
+        sa.Column("name", sa.Text(), nullable=False),
+        sa.Column("code", sa.Text(), nullable=False),
+        sa.Column("year", sa.Integer(), nullable=False),
+        sa.Column("log_announcements", sa.Boolean(), nullable=False),
+        sa.PrimaryKeyConstraint("course_id"),
+        sa.UniqueConstraint("code"),
+        sa.UniqueConstraint("name"),
     )
-    op.create_table('ufora_announcements',
-    sa.Column('announcement_id', sa.Integer(), nullable=False),
-    sa.Column('course_id', sa.Integer(), nullable=True),
-    sa.Column('publication_date', sa.DateTime(timezone=True), nullable=True),
-    sa.ForeignKeyConstraint(['course_id'], ['ufora_courses.course_id'], ),
-    sa.PrimaryKeyConstraint('announcement_id')
+    op.create_table(
+        "ufora_announcements",
+        sa.Column("announcement_id", sa.Integer(), nullable=False),
+        sa.Column("course_id", sa.Integer(), nullable=True),
+        sa.Column("publication_date", sa.Date, nullable=True),
+        sa.ForeignKeyConstraint(
+            ["course_id"],
+            ["ufora_courses.course_id"],
+        ),
+        sa.PrimaryKeyConstraint("announcement_id"),
     )
-    op.create_table('ufora_course_aliases',
-    sa.Column('alias_id', sa.Integer(), nullable=False),
-    sa.Column('alias', sa.Text(), nullable=False),
-    sa.Column('course_id', sa.Integer(), nullable=True),
-    sa.ForeignKeyConstraint(['course_id'], ['ufora_courses.course_id'], ),
-    sa.PrimaryKeyConstraint('alias_id'),
-    sa.UniqueConstraint('alias')
+    op.create_table(
+        "ufora_course_aliases",
+        sa.Column("alias_id", sa.Integer(), nullable=False),
+        sa.Column("alias", sa.Text(), nullable=False),
+        sa.Column("course_id", sa.Integer(), nullable=True),
+        sa.ForeignKeyConstraint(
+            ["course_id"],
+            ["ufora_courses.course_id"],
+        ),
+        sa.PrimaryKeyConstraint("alias_id"),
+        sa.UniqueConstraint("alias"),
     )
     # ### end Alembic commands ###
 
 
 def downgrade() -> None:
     # ### commands auto generated by Alembic - please adjust! ###
-    op.drop_table('ufora_course_aliases')
-    op.drop_table('ufora_announcements')
-    op.drop_table('ufora_courses')
+    op.drop_table("ufora_course_aliases")
+    op.drop_table("ufora_announcements")
+    op.drop_table("ufora_courses")
     # ### end Alembic commands ###

database/crud/birthdays.py

@@ -1,3 +1,4 @@
+import datetime
 from datetime import date
 from typing import Optional
 
@@ -32,3 +33,7 @@ async def get_birthday_for_user(session: AsyncSession, user_id: int) -> Optional
     """Find a user's birthday"""
     statement = select(Birthday).where(Birthday.user_id == user_id)
     return (await session.execute(statement)).scalar_one_or_none()
+
+
+async def get_birthdays_on_day(session: AsyncSession, day: datetime.datetime) -> list[Birthday]:
+    """Get all birthdays that happen on a given day"""

database/crud/currency.py

@@ -71,7 +71,7 @@ async def claim_nightly(session: AsyncSession, user_id: int):
 
     now = datetime.now()
 
-    if nightly_data.last_nightly is not None and nightly_data.last_nightly.date() == now.date():
+    if nightly_data.last_nightly is not None and nightly_data.last_nightly == now.date():
         raise exceptions.DoubleNightly
 
     bank = await get_bank(session, user_id)

database/crud/tasks.py

@@ -0,0 +1,32 @@
+import datetime
+from typing import Optional
+
+from sqlalchemy import select
+from sqlalchemy.ext.asyncio import AsyncSession
+
+from database.enums import TaskType
+from database.models import Task
+from database.utils.datetime import LOCAL_TIMEZONE
+
+__all__ = ["get_task_by_enum", "set_last_task_execution_time"]
+
+
+async def get_task_by_enum(session: AsyncSession, task: TaskType) -> Optional[Task]:
+    """Get a task by its enum value, if it exists
+
+    Returns None if the task does not exist
+    """
+    statement = select(Task).where(Task.task == task)
+    return (await session.execute(statement)).scalar_one_or_none()
+
+
+async def set_last_task_execution_time(session: AsyncSession, task: TaskType):
+    """Set the last time a specific task was executed"""
+    _task = await get_task_by_enum(session, task)
+
+    if _task is None:
+        _task = Task(task=task)
+
+    _task.previous_run = datetime.datetime.now(tz=LOCAL_TIMEZONE)
+    session.add(_task)
+    await session.commit()

database/enums.py

@@ -0,0 +1,13 @@
+import enum
+
+__all__ = ["TaskType"]
+
+
+# There is a bug in typeshed that causes an incorrect PyCharm warning
+# https://github.com/python/typeshed/issues/8286
+# noinspection PyArgumentList
+class TaskType(enum.IntEnum):
+    """Enum for the different types of tasks"""
+
+    BIRTHDAYS = enum.auto()
+    UFORA_ANNOUNCEMENTS = enum.auto()

database/models.py

@@ -1,11 +1,23 @@
 from __future__ import annotations
 
-from datetime import datetime
+from datetime import date, datetime
 from typing import Optional
 
-from sqlalchemy import BigInteger, Boolean, Column, DateTime, ForeignKey, Integer, Text
+from sqlalchemy import (
+    BigInteger,
+    Boolean,
+    Column,
+    Date,
+    DateTime,
+    Enum,
+    ForeignKey,
+    Integer,
+    Text,
+)
 from sqlalchemy.orm import declarative_base, relationship
 
+from database import enums
+
 Base = declarative_base()
 
 
@@ -17,6 +29,7 @@ __all__ = [
     "CustomCommandAlias",
     "DadJoke",
     "NightlyData",
+    "Task",
     "UforaAnnouncement",
     "UforaCourse",
     "UforaCourseAlias",
@@ -54,7 +67,7 @@ class Birthday(Base):
 
     birthday_id: int = Column(Integer, primary_key=True)
     user_id: int = Column(BigInteger, ForeignKey("users.user_id"))
-    birthday: datetime = Column(DateTime, nullable=False)
+    birthday: date = Column(Date, nullable=False)
 
     user: User = relationship("User", uselist=False, back_populates="birthday", lazy="selectin")
 
@@ -103,12 +116,22 @@ class NightlyData(Base):
 
     nightly_id: int = Column(Integer, primary_key=True)
     user_id: int = Column(BigInteger, ForeignKey("users.user_id"))
-    last_nightly: Optional[datetime] = Column(DateTime(timezone=True), nullable=True)
+    last_nightly: Optional[date] = Column(Date, nullable=True)
     count: int = Column(Integer, server_default="0", nullable=False)
 
     user: User = relationship("User", back_populates="nightly_data", uselist=False, lazy="selectin")
 
 
+class Task(Base):
+    """A Didier task"""
+
+    __tablename__ = "tasks"
+
+    task_id: int = Column(Integer, primary_key=True)
+    task: enums.TaskType = Column(Enum(enums.TaskType), nullable=False, unique=True)
+    previous_run: datetime = Column(DateTime(timezone=True), nullable=True)
+
+
 class UforaCourse(Base):
     """A course on Ufora"""
 
@@ -147,7 +170,7 @@ class UforaAnnouncement(Base):
 
     announcement_id: int = Column(Integer, primary_key=True)
     course_id: int = Column(Integer, ForeignKey("ufora_courses.course_id"))
-    publication_date: datetime = Column(DateTime(timezone=True))
+    publication_date: date = Column(Date)
 
     course: UforaCourse = relationship("UforaCourse", back_populates="announcements", uselist=False, lazy="selectin")
 

database/utils/datetime.py

@@ -0,0 +1,5 @@
+import zoneinfo
+
+__all__ = ["LOCAL_TIMEZONE"]
+
+LOCAL_TIMEZONE = zoneinfo.ZoneInfo("Europe/Brussels")

didier/cogs/owner.py

@@ -8,7 +8,7 @@ from database.crud import custom_commands
 from database.exceptions.constraints import DuplicateInsertException
 from database.exceptions.not_found import NoResultFoundException
 from didier import Didier
-from didier.data.flags.owner import EditCustomFlags
+from didier.utils.discord.flags.owner import EditCustomFlags
 from didier.views.modals import AddDadJoke, CreateCustomCommand, EditCustomCommand
 
 

didier/cogs/tasks.py

@@ -1,17 +1,32 @@
+import datetime
 import traceback
 
 from discord.ext import commands, tasks  # type: ignore # Strange & incorrect Mypy error
 
 import settings
+from database import enums
 from database.crud.ufora_announcements import remove_old_announcements
 from didier import Didier
 from didier.data.embeds.ufora.announcements import fetch_ufora_announcements
+from didier.decorators.tasks import timed_task
+from didier.utils.discord.checks import is_owner
+from didier.utils.types.datetime import LOCAL_TIMEZONE
+
+# datetime.time()-instances for when every task should run
+DAILY_RESET_TIME = datetime.time(hour=0, minute=0, tzinfo=LOCAL_TIMEZONE)
+SOCIALLY_ACCEPTABLE_TIME = datetime.time(hour=7, minute=0, tzinfo=LOCAL_TIMEZONE)
 
 
 class Tasks(commands.Cog):
-    """Task loops that run periodically"""
+    """Task loops that run periodically
+
+    Preferably these would use the new `time`-kwarg, but these don't run
+    on startup, which is not ideal. This means we still have to run them every hour
+    in order to never miss anything if Didier goes offline by coincidence
+    """
 
     client: Didier
+    _tasks: dict[str, tasks.Loop]
 
     def __init__(self, client: Didier):
         self.client = client
@@ -21,7 +36,41 @@ class Tasks(commands.Cog):
             self.pull_ufora_announcements.start()
             self.remove_old_ufora_announcements.start()
 
+        # Start all tasks
+        self.check_birthdays.start()
+
+        self._tasks = {"birthdays": self.check_birthdays, "ufora": self.pull_ufora_announcements}
+
+    @commands.group(name="Tasks", case_insensitive=True, invoke_without_command=True)
+    @commands.check(is_owner)
+    async def tasks_group(self, ctx: commands.Context):
+        """Command group for Task-related commands
+
+        Invoking the group itself shows the time until the next iteration
+        """
+        raise NotImplementedError()
+
+    @tasks_group.command(name="Force", case_insensitive=True)
+    async def force_task(self, ctx: commands.Context, name: str):
+        """Command to force-run a task without waiting for the run time"""
+        name = name.lower()
+        if name not in self._tasks:
+            return await ctx.reply(f"Geen task gevonden voor `{name}`.", mention_author=False)
+
+        task = self._tasks[name]
+        await task()
+
+    @tasks.loop(time=SOCIALLY_ACCEPTABLE_TIME)
+    @timed_task(enums.TaskType.BIRTHDAYS)
+    async def check_birthdays(self):
+        """Check if it's currently anyone's birthday"""
+
+    @check_birthdays.before_loop
+    async def _before_check_birthdays(self):
+        await self.client.wait_until_ready()
+
     @tasks.loop(minutes=10)
+    @timed_task(enums.TaskType.UFORA_ANNOUNCEMENTS)
     async def pull_ufora_announcements(self):
         """Task that checks for new Ufora announcements & logs them in a channel"""
         # In theory this shouldn't happen but just to please Mypy
@@ -37,23 +86,20 @@ class Tasks(commands.Cog):
 
     @pull_ufora_announcements.before_loop
     async def _before_ufora_announcements(self):
-        """Don't try to get announcements if the bot isn't ready yet"""
         await self.client.wait_until_ready()
 
-    @pull_ufora_announcements.error
-    async def _on_announcements_error(self, error: BaseException):
-        """Error handler for the Ufora Announcements task"""
-        print("".join(traceback.format_exception(type(error), error, error.__traceback__)))
-
     @tasks.loop(hours=24)
     async def remove_old_ufora_announcements(self):
         """Remove all announcements that are over 1 week old, once per day"""
         async with self.client.db_session as session:
             await remove_old_announcements(session)
 
-    @remove_old_ufora_announcements.before_loop
-    async def _before_remove_old_ufora_announcements(self):
-        await self.client.wait_until_ready()
+    @check_birthdays.error
+    @pull_ufora_announcements.error
+    @remove_old_ufora_announcements.error
+    async def _on_tasks_error(self, error: BaseException):
+        """Error handler for all tasks"""
+        print("".join(traceback.format_exception(type(error), error, error.__traceback__)))
 
 
 async def setup(client: Didier):

didier/decorators/tasks.py

@@ -0,0 +1,28 @@
+from __future__ import annotations
+
+import functools
+from typing import TYPE_CHECKING
+
+if TYPE_CHECKING:
+    from didier.cogs.tasks import Tasks
+
+from database import enums
+from database.crud.tasks import set_last_task_execution_time
+
+__all__ = ["timed_task"]
+
+
+def timed_task(task: enums.TaskType):
+    """Decorator to log the last execution time of a task"""
+
+    def _decorator(func):
+        @functools.wraps(func)
+        async def _wrapper(tasks_cog: Tasks, *args, **kwargs):
+            await func(tasks_cog, *args, **kwargs)
+
+            async with tasks_cog.client.db_session as session:
+                await set_last_task_execution_time(session, task)
+
+        return _wrapper
+
+    return _decorator

didier/utils/discord/flags/owner.py

@@ -1,6 +1,6 @@
 from typing import Optional
 
-from didier.data.flags import PosixFlags
+from didier.utils.discord.flags import PosixFlags
 
 __all__ = ["EditCustomFlags"]
 

didier/utils/types/datetime.py

@@ -1,6 +1,10 @@
 import datetime
+import zoneinfo
 
-__all__ = ["int_to_weekday", "str_to_date"]
+__all__ = ["LOCAL_TIMEZONE", "int_to_weekday", "str_to_date"]
+
+
+LOCAL_TIMEZONE = zoneinfo.ZoneInfo("Europe/Brussels")
 
 
 def int_to_weekday(number: int) -> str:  # pragma: no cover # it's useless to write a test for this