ntcri_api/app/api/classes.py

from fastapi import APIRouter, Form, Depends, HTTPException, File, UploadFile
from fastapi.responses import FileResponse
import os
from random import randint
import uuid
from fastapi.security import OAuth2PasswordRequestForm
from app.models.models import User
from app.models.models import Class_list
from app.api import deps
from sqlalchemy.orm import Session
from typing import Any, Dict
import secrets
from fastapi_login.exceptions import InvalidCredentialsException
from fastapi_login import LoginManager
from datetime import timedelta,datetime
from app.config import settings
from pathlib import Path
from jose import jwt
import emails
from emails.template import JinjaTemplate
import logging
from tortoise.queryset import Q

classes = APIRouter()

IMAGEDIR = "/var/www/ntcri/app/api/images/"

# SECRET: str = secrets.token_urlsafe(32)
# manager = LoginManager(SECRET, '/login',default_expiry=timedelta(hours=72))


# @manager.user_loader()
# async def query_user(user_id: str):
#     """
#     Get a user from the db
#     :param user_id: E-Mail of the user
#     :return: None or the user object
#     """
#     result = await User.filter(username=user_id).first()
#     if not result:
#         print('[]')
#         return []
#     return result
#     # return DB['users'].get(user_id)
@classes.post("/insert_class")
async def insert_class(
    id: int = Form(default=0),
    name: str = Form(default=''),
    start_time: datetime = Form(default=datetime.now()),
    end_time: datetime = Form(default=datetime.now()),
    location: str = Form(default=''),
    lecturer: str = Form(default=''),
    organizer: str = Form(default=''),
    contact: str = Form(default=''),
    introduction: str = Form(default=''),
    content: str = Form(default=''),
    cover_img: str = Form(default=''),
    cover_img_file:UploadFile = File(default='')

):
    try:
        contents = await cover_img_file.read()

        if cover_img.strip() != '':
            cover_img = f"{IMAGEDIR}{cover_img}"
        else:
            cover_img = f"{IMAGEDIR}{cover_img_file.filename}"

        #save the file
        with open(cover_img, "wb") as f:
            f.write(contents)
        

        new_class = await Class_list.create(
            id=id,
            name=name,
            start_time=start_time,
            end_time=end_time,
            location=location,
            lecturer=lecturer,
            organizer=organizer,
            contact=contact,
            introduction=introduction,
            content=content,
            cover_img=cover_img
        )
        return {"msg": "success", "code": 200, "class_id": new_class.id}
    except Exception as e:
        return {"msg": str(e), "code": 500}

# @classes.post("/update_class")
# async def update_class(
#     id: int = Form(default=0),
#     name: str = Form(default=''),
#     start_time: datetime = Form(default=datetime.now()),
#     end_time: datetime = Form(default=datetime.now()),
#     location: str = Form(default=''),
#     lecturer: str = Form(default=''),
#     organizer: str = Form(default=''),
#     contact: str = Form(default=''),
#     introduction: str = Form(default=''),
#     content: str = Form(default='')
# ):
#     try:
#         await Class_list.filter(id=id).update(
#             name=name,
#             start_time=start_time,
#             end_time=end_time,
#             location=location,
#             lecturer=lecturer,
#             organizer=organizer,
#             contact=contact,
#             introduction=introduction,
#             content=content
#         )
#         return {"msg": "success", "code": 200}
#     except Exception as e:
#         return {"msg": str(e), "code": 500}

@classes.post("/update_class")
async def update_class(
    id: int = Form(default=0),
    name: str = Form(default=''),
    start_time: datetime = Form(default=datetime.now()),
    end_time: datetime = Form(default=datetime.now()),
    location: str = Form(default=''),
    lecturer: str = Form(default=''),
    organizer: str = Form(default=''),
    contact: str = Form(default=''),
    introduction: str = Form(default=''),
    content: str = Form(default=''),
    cover_img: str = Form(default=''),
    cover_img_file:UploadFile = File(default='')
):
    try:
        class_obj = await Class_list.get(id=id)

        if name.strip() != '':
            class_obj.name = name

        if start_time:
            class_obj.start_time = start_time

        if end_time:
            class_obj.end_time = end_time

        if location.strip() != '':
            class_obj.location = location

        if lecturer.strip() != '':
            class_obj.lecturer = lecturer

        if organizer.strip() != '':
            class_obj.organizer = organizer

        if contact.strip() != '':
            class_obj.contact = contact

        if introduction.strip() != '':
            class_obj.introduction = introduction

        if content.strip() != '':
            class_obj.content = content

        

        if cover_img.strip() != '':
            if cover_img_file.strip() != '':
                class_obj.cover_img = f"{IMAGEDIR}{cover_img}"

                contents = await cover_img_file.read()
                with open(class_obj.cover_img, "wb") as f:
                    f.write(contents)
            else:
                os.rename(class_obj.cover_img, f"{IMAGEDIR}{cover_img}")
                class_obj.cover_img = f"{IMAGEDIR}{cover_img}"

        else:
            if cover_img_file.strip() != '':
                class_obj.cover_img =f"{IMAGEDIR}{cover_img_file.filename}"

                contents = await cover_img_file.read()
                with open(class_obj.cover_img, "wb") as f:
                    f.write(contents)


        



        await class_obj.save()
        return {"msg": "success", "code": 200}
    except Exception as e:
        return {"msg": str(e), "code": 500}

@classes.post("/delete_class")
async def delete(id: int):
    if id:
        await Class_list.filter(id=id).delete()
        return {"msg": "success", "code": 200}


@classes.get("/search_class")
async def search_class(id: int):
    try:
        class_obj = await Class_list.get(id=id)
        return {
            "msg": "success",
            "code": 200,
            "class_id": class_obj.id,
            "name": class_obj.name,
            "start_time": class_obj.start_time,
            "end_time": class_obj.end_time,
            "location": class_obj.location,
            "lecturer": class_obj.lecturer,
            "organizer": class_obj.organizer,
            "contact": class_obj.contact,
            "introduction": class_obj.introduction,
            "content": class_obj.content,
            "cover_img": class_obj.cover_img,

        }
    except Exception as e:
        return {"msg": str(e), "code": 500}

@classes.get("/get_class")
async def get_class():
    try:
        class_list = await Class_list.all()
        classes = []
        for class_obj in class_list:
            class_data = {
                "class_id": class_obj.id,
                "name": class_obj.name,
                "start_time": class_obj.start_time,
                "end_time": class_obj.end_time,
                "location": class_obj.location,
                "lecturer": class_obj.lecturer,
                "organizer": class_obj.organizer,
                "contact": class_obj.contact,
                "introduction": class_obj.introduction,
                "content": class_obj.content,
                "cover_img": class_obj.cover_img
            }
            classes.append(class_data)

        return {"msg": "success", "code": 200, "classes": classes}
    except Exception as e:
        return {"msg": str(e), "code": 500}
    
@classes.get("/search_class_like")
async def search_class_like(keyword: str):
    try:
        class_list = await Class_list.filter(
Q(name__icontains=keyword) | Q(lecturer__icontains=keyword)
        ).all()

        classes = []
        for class_obj in class_list:
            class_data = {
                "class_id": class_obj.id,
                "name": class_obj.name,
                "start_time": class_obj.start_time,
                "end_time": class_obj.end_time,
                "location": class_obj.location,
                "lecturer": class_obj.lecturer,
                "organizer": class_obj.organizer,
                "contact": class_obj.contact,
                "introduction": class_obj.introduction,
                "content": class_obj.content,
		 "cover_img": class_obj.cover_img

            }
            classes.append(class_data)

        return {"msg": "success", "code": 200, "classes": classes}
    except Exception as e:
        return {"msg": str(e), "code": 500}



@classes.post("/upload/")
async def create_upload_file(file: UploadFile = File(...)):
 
    #file.filename = f"{uuid.uuid4()}.jpeg"
    contents = await file.read()
 
    #save the file
    with open(f"{IMAGEDIR}{file.filename}", "wb") as f:
        f.write(contents)
 
    return {"filename": file.filename}
 #"/var/www/ntcri/app/api/images/test.jpeg"
 

async def read_image_file():
 
    # get random file from the image directory
    files = os.listdir(IMAGEDIR)
    random_index = randint(0, len(files) - 1)
 
    path = f"{IMAGEDIR}{files[random_index]}"
     
    return FileResponse(path)