36 lines
887 B
Python
36 lines
887 B
Python
"""
|
|
Post query interface
|
|
"""
|
|
|
|
import re
|
|
|
|
from sqlalchemy import select, func
|
|
|
|
from amanuensis.db import DbContext, Post
|
|
from amanuensis.errors import ArgumentError
|
|
|
|
|
|
def create(db: DbContext, lexicon_id: int, user_id: int, body: str) -> Post:
|
|
"""
|
|
Create a new post
|
|
"""
|
|
|
|
# Verify lexicon id
|
|
if not isinstance(lexicon_id, int):
|
|
raise ArgumentError("Lexicon id must be an integer.")
|
|
|
|
# Verify user_id
|
|
if not (isinstance(user_id, int) or user_id is None):
|
|
raise ArgumentError("User id must be an integer.")
|
|
|
|
# Verify body
|
|
if not isinstance(body, str):
|
|
raise ArgumentError("Post body must be a string.")
|
|
if not body.strip():
|
|
raise ArgumentError("Post body cannot be empty.")
|
|
|
|
new_post = Post(lexicon_id=lexicon_id, user_id=user_id, body=body)
|
|
db.session.add(new_post)
|
|
db.session.commit()
|
|
return new_post
|