Files
auto-archiver-api/src/db/crud.py
2023-05-23 20:20:28 +01:00

114 lines
4.6 KiB
Python

from functools import cache
from sqlalchemy.orm import Session, load_only
from sqlalchemy import Column, or_
from loguru import logger
from . import models, schemas
import yaml
## --------------- TASK = Archive
def get_task(db: Session, task_id: str):
return base_query(db).filter(models.Archive.id == task_id).first()
def get_tasks(db: Session, skip: int = 0, limit: int = 100):
return base_query(db).offset(skip).limit(limit).all()
def search_tasks_by_url(db: Session, url:str, email:str, skip: int = 0, limit: int = 100):
groups = get_user_groups(db, email)
return base_query(db).filter(or_(models.Archive.public==True, models.Archive.author_id==email, models.Archive.group_id.in_(groups))).filter(models.Archive.url.like(f'%{url}%')).offset(skip).limit(limit).all()
def search_tasks_by_email(db: Session, email:str, skip: int = 0, limit: int = 100):
return base_query(db).filter(models.Archive.author.has(email=email)).offset(skip).limit(limit).all()
def create_task(db: Session, task: schemas.ArchiveCreate, tags:list[models.Tag],urls:list[models.ArchiveUrl]):
db_task = models.Archive(id=task.id, url=task.url, result=task.result, public=task.public, author_id=task.author_id, group_id=task.group_id)
db_task.tags = tags
db_task.urls = urls
db.add(db_task)
db.commit()
db.refresh(db_task)
return db_task
def soft_delete_task(db: Session, task_id: str, email:str)->bool:
# TODO: implement hard-delete with cronjob that deletes from S3
db_task = db.query(models.Archive).filter(models.Archive.id == task_id, models.Archive.author_id==email, models.Archive.deleted==False).first()
if db_task:
db_task.deleted = True
db.commit()
return db_task is not None
def base_query(db:Session):
# allow only some fields to be returned, for example author should remain hidden
return db.query(models.Archive)\
.options(load_only(models.Archive.id, models.Archive.created_at, models.Archive.url, models.Archive.result))\
.filter(models.Archive.deleted == False)
## --------------- TAG
def create_tag(db: Session, tag: str):
db_tag = db.query(models.Tag).filter(models.Tag.id==tag).first()
if not db_tag:
db_tag = models.Tag(id=tag)
db.add(db_tag)
db.commit()
db.refresh(db_tag)
return db_tag
def search_tags(db: Session, tag:str, skip: int = 0, limit: int = 100):
return db.query(models.Tag).filter(models.Tag.url.like(f'%{tag}%')).offset(skip).limit(limit).all()
def get_group_for_user(db:Session, group_name:str, email:str)->models.Group:
return db.query(models.association_table_user_groups).filter_by(user_id=email, group_id=group_name).first()
def get_user_groups(db: Session, email:str):
groups = db.query(models.association_table_user_groups).filter_by(user_id=email).with_entities(Column("group_id")).all()
return [g[0] for g in groups]
## --------------- INIT User-Groups
@cache
def get_group(db:Session, group_name:str)->models.Group:
db_group = db.query(models.Group).filter(models.Group.id==group_name).first()
if db_group is None:
db_group = models.Group(id=group_name)
db.add(db_group)
return db_group
def upsert_user_groups(db:Session, filename:str):
"""
reads the user_groups yaml file and inserts any new users, groups,
along with new participation of users in groups
"""
logger.debug("Updating user-groups configuration.")
# read yaml safely
with open(filename) as inf:
try:
user_groups_yaml = yaml.safe_load(inf)
except yaml.YAMLError as e:
logger.error(f"could not open user groups filename {filename}: {e}")
raise e
# upserting in DB
user_groups = user_groups_yaml.get("users", {})
logger.debug(f"Found {len(user_groups)} users.")
db.query(models.association_table_user_groups).delete()
for user_email, groups in user_groups.items():
assert '@' in user_email, f'Invalid user email {user_email}'
logger.info(f"email='{user_email[0:3]}...{user_email[-8:]}', {groups=}")
db_user = db.query(models.User).filter(models.User.email==user_email).first()
if db_user is None:
db_user = models.User(email=user_email)
db.add(db_user)
if not groups: continue # avoid hanging in for x in None:
for group in groups:
db_group = get_group(db, group)
db_group.users.append(db_user)
db.commit()
count_user_groups = db.query(models.association_table_user_groups).count()
logger.success(f"Completed refresh, now: {count_user_groups} user-groups relationships.")