pantry-track/application/receipts/receipts_processes.py
2025-08-02 10:20:38 -05:00

110 lines
3.5 KiB
Python

import pymupdf
import os
import PIL
import openfoodfacts
import psycopg2
from application.receipts import receipts_database
from application import database_payloads
from application.items.items_processes import postNewBlankItem
import config
def create_pdf_preview(pdf_path, output_path, size=(600, 400)):
pdf = pymupdf.open(pdf_path)
page = pdf[0]
file_name = os.path.basename(pdf_path).replace('.pdf', "")
pix = page.get_pixmap()
img = PIL.Image.frombytes("RGB", (pix.width, pix.height), pix.samples)
output_path = output_path + file_name + '.jpg'
img.thumbnail(size)
img.save(output_path)
return file_name + '.jpg'
def linkItem(site, user_id, data, conn=None):
""" this is a higher level function used to process a new item into the system,
link it to another item, and update the receipt_item to the new linked item data.
Args:
site (_type_): _description_
user_id (_type_): _description_
data (_type_): {'receipt_item_id', 'linked_list_id', 'conv_factor'}
conn (_type_, optional): Passed Connector. Defaults to None.
Returns:
_type_: _description_
"""
self_conn = False
if not conn:
database_config = config.config()
conn = psycopg2.connect(**database_config)
conn.autocommit = False
self_conn = True
# Select receipt item
receipt_item = receipts_database.selectReceiptItemsTuple(site, (data['receipt_item_id'],), conn=conn)
# select linked item
linked_list = receipts_database.getItemAllByID(site, (data['linked_list_id'],), conn=conn)
if receipt_item['type'] == 'api':
new_item_data = {
'barcode': receipt_item['barcode'],
'name': receipt_item['name'],
'subtype': 'FOOD'
}
postNewBlankItem(site, user_id, new_item_data, conn=conn)
name = receipt_item['name']
if receipt_item['name'] == "unknown":
name = linked_list['item_name']
if receipt_item['type'] == "new sku":
new_item_data = {
'barcode': receipt_item['barcode'],
'name': name,
'subtype': 'FOOD'
}
postNewBlankItem(site, user_id, new_item_data, conn=conn)
new_item = receipts_database.getItemAllByBarcode(site, (receipt_item['barcode'], ), conn=conn)
new_item = receipts_database.updateItemsTuple(site, {'id': new_item['id'], 'update':{'row_type': 'link'}}, conn=conn)
item_link = database_payloads.ItemLinkPayload(
new_item['barcode'],
linked_list['id'],
new_item,
data['conv_factor']
)
receipts_database.insertItemLinksTuple(site, item_link.payload(), conn=conn)
payload = {
'id': receipt_item['id'],
'update': {
'barcode': linked_list['barcode'],
'name': linked_list['item_name'],
'uom': linked_list['item_info']['uom']['id'],
'qty': float(receipt_item['qty']*data['conv_factor']),
'type': 'sku'
}
}
receipts_database.updateReceiptItemsTuple(site, payload, conn=conn)
if self_conn:
conn.commit()
conn.close()
return False
return conn
# OPEN FOOD FACTS API INTEGRATION
open_food_api = openfoodfacts.API(user_agent="MyAwesomeApp/1.0")
open_food_enabled = True
def get_open_facts(barcode):
if open_food_enabled:
barcode: str = barcode.replace('%', "")
data = open_food_api.product.get(barcode)
if data != None:
return True, data
return False, {}