api/endpoints/rand_msg.py

#!/usr/bin/env python3.12

import os
import random
from typing import LiteralString, Optional
import aiosqlite as sqlite3
from fastapi import FastAPI
from .constructors import RandMsgRequest

class RandMsg(FastAPI):
    """Random Message Endpoint"""   
    def __init__(self, app: FastAPI, util, constants):  # pylint: disable=super-init-not-called
        self.app = app
        self.util = util
        self.constants = constants
        self.endpoint_name = "randmsg"

        app.add_api_route(f"/{self.endpoint_name}", self.randmsg_handler, methods=["POST"])
    
    async def randmsg_handler(self, data: RandMsgRequest):
        """
        Get a randomly generated message
        """
        random.seed()
        short: bool = data.short if data.short else False
        
        if not short:
            db_rand_selected = random.choice([0, 1, 3])
        else:
            db_rand_selected = 9
        title_attr = "Unknown"

        match db_rand_selected:
            case 0:
                randmsg_db_path = os.path.join("/usr/local/share",
                                               "sqlite_dbs", "qajoke.db")  # For qajoke db
                db_query = "SELECT id, ('<b>Q:</b> ' || question || '<br/><b>A:</b> ' \
                    || answer) FROM jokes ORDER BY RANDOM() LIMIT 1" # For qajoke db
                title_attr = "QA Joke DB"
            case 1 | 9:
                randmsg_db_path = os.path.join("/usr/local/share",
                                               "sqlite_dbs",
                                               "randmsg.db") # For randmsg db
                db_query = "SELECT id, msg FROM msgs WHERE \
                    LENGTH(msg) <= 180 ORDER BY RANDOM() LIMIT 1" # For randmsg db
                if db_rand_selected == 9:
                    db_query = db_query.replace("<= 180", "<= 126")
                title_attr = "Random Msg DB"
            case 2:
                randmsg_db_path = os.path.join("/usr/local/share",
                                               "sqlite_dbs",
                                               "trump.db") # For Trump Tweet DB
                db_query = "SELECT id, content FROM tweets \
                    ORDER BY RANDOM() LIMIT 1" # For Trump Tweet DB
                title_attr = "Trump Tweet DB"
            case 3:
                randmsg_db_path = os.path.join("/usr/local/share",
                                               "sqlite_dbs",
                                               "philo.db") # For Philo DB
                db_query = "SELECT id, (content || '<br> - ' || speaker) FROM quotes \
                    ORDER BY RANDOM() LIMIT 1"  # For Philo DB
                title_attr = "Philosophical Quotes DB"
            case 4:
                randmsg_db_path = os.path.join("/usr/local/share",
                                               "sqlite_dbs",
                                               "hate.db") # For Hate DB
                db_query = """SELECT id, ("<font color='#FF0000'>" || comment) FROM hate_speech \
                    WHERE length(comment) <= 180 ORDER BY RANDOM() LIMIT 1"""
                title_attr = "Hate Speech DB"
            case 5:
                randmsg_db_path = os.path.join("/usr/local/share",
                                               "sqlite_dbs",
                                               "rjokes.db") # r/jokes DB
                db_query = """SELECT id, (title || "<br>" || body) FROM jokes \
                    WHERE score >= 10000 ORDER BY RANDOM() LIMIT 1"""
                title_attr = "r/jokes DB"
            case 6:
                randmsg_db_path = os.path.join("/usr/local/share",                           
                                               "sqlite_dbs",
                                               "donnies.db") # Donnies DB
                random.seed()
                twilight_or_mice: str = random.choice(["twilight", "mice"])
                db_query = f"SELECT id, text FROM {twilight_or_mice} ORDER BY RANDOM() LIMIT 1"
                title_attr = "Donnies DB"
                                              
        async with sqlite3.connect(database=randmsg_db_path, timeout=1) as _db:
            async with await _db.execute(db_query) as _cursor:
                result = await _cursor.fetchone()
                (result_id, result_msg) = result
                result_msg = result_msg.strip()
                return {
                    "id": result_id,
                    "msg": result_msg,
                    'title': title_attr
                }