Shoppers/src/a3c/products.nim
2024-02-06 00:36:07 +05:30

89 lines
2.6 KiB
Nim

import db_connector/db_sqlite, strutils
import ../a3pkg/models
type
Database = ref object
db: DbConn
proc newDatabase1*(filename = "db5.sqlite3"): Database =
new result
result.db = open(filename, "", "", "")
proc close*(db: DbConn) =
db.close()
proc setupProducts*(db: DbConn) =
db.exec(sql"""
CREATE TABLE IF NOT EXISTS products (
id INTEGER PRIMARY KEY AUTOINCREMENT,
name VARCHAR(255) NOT NULL,
description VARCHAR(1000) NOT NULL,
type VARCHAR(255) NOT NULL,
name_page VARCHAR(255) NOT NULL,
price REAL NOT NULL,
created_at TEXT DEFAULT CURRENT_TIMESTAMP NOT NULL,
updated_at TEXT DEFAULT CURRENT_TIMESTAMP NOT NULL,
pic_URL VARCHAR(255) NOT NULL,
quantity INTEGER NOT NULL
);
""")
proc setupProductsIndex*(db: DbConn) =
db.exec(sql"""
CREATE UNIQUE INDEX IF NOT EXISTS products_name_idx ON products (name);
""")
proc createPost*(db: DbConn, product:Products): int64 =
var newID = db.insertID(sql"INSERT INTO products (name, description, type, Page_name, price, pic_URL, quantity) VALUES (?, ?, ?, ?, ?);",
product.name, product.description, product.productType, product.pageName, product.price, product.pic_URL, product.quantity)
return newID
proc availableProducts*(db: DbConn): seq[Products]=
var rows = db.getAllRows(sql"SELECT * FROM products WHERE quantity > 0")
var products: seq[Products]
for a, b in rows:
var product: Products
product.id = parseInt(b[0])
product.name = b[1]
product.description = b[2]
product.productType = b[3]
product.pageName = b[4]
product.price = parseFloat(b[5])
product.picURL = b[8]
product.quantity = parseInt(b[9])
products.add(product)
return products
proc getProduct*(db: DbConn, name: string): Products =
var row = db.getRow(sql"SELECT * FROM products WHERE name = ?", name)
var product: Products
product.id = parseInt(row[0])
product.name = row[1]
product.description = row[2]
product.productType = row[3]
product.pageName = row[4]
product.price = parseFloat(row[5])
product.picURL = row[8]
product.quantity = parseInt(row[9])
return product
proc getProductById*(db: DbConn, id: int): Products =
var row = db.getRow(sql"SELECT * FROM products WHERE id = ?", id)
var product: Products
product.id = parseInt(row[0])
product.name = row[1]
product.description = row[2]
product.productType = row[3]
product.pageName = row[4]
product.price = parseFloat(row[5])
product.picURL = row[8]
product.quantity = parseInt(row[9])
return product
proc drop*(db: DbConn) =
db.exec(sql"DROP TABLE IF EXISTS products")