artFi/app/lib/collector.py

# Collects data the retarded way

from flask_login import current_user
from sqlalchemy import desc
from app.models import User, Art, List, Bids

def join_art_list_table():
    listings = List.query.all()
    art = Art.query.all()
    user_list = User.query.all()
    return_list = list()

    # Creates a new list for art details
    for l in listings:
        for a in art:
            if l.filehash == a.filehash:
                for u in user_list:
                    if a.creator == u.id:
                        return_list.append([
                            a.name, # [0] name of art
                            a.description, # [1] description of art
                            a.owner, # [2] current owner id
                            u.username, # [3] creator's username
                            u.profile_image, # [4] creator's profilepic
                            a.dname, # [5] designated db name, also path filename
                            l.seller, # [6] current seller id
                            l.min_price, # [7] minimum bid price
                            l.out_price, # [8] minimum buyout price
                            l.timeout, # [9] closing bidding date
                            l.list_date, # [10] listing date
                            l.filehash, # [11] listings/art filehash
                            l.cur_bid # [12] listing's current bid
                        ])
    return return_list

def check_listing():
    # returns list of art available to sell
    
    owned_art = Art.query.filter_by(owner = current_user.id).all() 
    listed_art = List.query.filter_by(seller = current_user.id).all()
    available_art = list()

    # to remove art that is already listed
    for oa in owned_art:
        for la in listed_art:
            if oa.filehash != la.filehash:
                available_art.append(oa)
        if not listed_art:
            available_art.append(oa)


    return available_art

def check_art_listing(filehash):
    # checks List table if art is there
    # if not, block redirection to detailed page.
    owned_art = Art.query.filter_by(owner = current_user.id).all() 
    listed_art = List.query.filter_by(seller = current_user.id).all()
    for la in listed_art:
        if filehash == la.filehash:
            return True
    return False

def find_user_obj(user_id):
    user = User.query.filter_by(id = user_id).first()
    return user

def item_bid_hist(filehash):
    bids = Bids.query.filter_by(filehash = filehash).order_by(desc(Bids.id)).all()
    return bids

def user_bid_hist(user_id):
    bids = Bids.query.filter_by(buyer = user_id).order_by(desc(Bids.id)).all()
    art = Art.query.all()
    return_list = list()

    for bid in bids:
        for a in art:
            if bid.filehash == a.filehash:
                return_list.append([
                    a.name,
                    bid.bid_date,
                    bid.bid_price
                    ])

    return return_list

def get_art_obj(filehash):
    art = Art.query.filter_by(filehash = filehash).first()
    return art