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/*
* OpenBills - Self hosted browser app to generate and keep track of simple invoices
* Version - 0
* Licensed under the MIT license - https://opensource.org/licenses/MIT
*
* Copyright (c) 2021 Vidhu Kant Sharma
*/
// Idk how databases work this package is supposed to handle the sqlite database
// will figure that out
package database
import (
"database/sql"
_ "github.com/mattn/go-sqlite3"
)
type Item struct {
Model string
Desc string `json:"Description"`
Price float64
HSN int
GST float64
Cat string `json:"Category"`
Brand string
}
var myDatabase *sql.DB
var register_item *sql.Stmt
func init() {
myDatabase, _ = sql.Open("sqlite3", "./openbills.db")
init_registered_items, _ := myDatabase.Prepare(
`CREATE TABLE IF NOT EXISTS registered_items
(id INTEGER PRIMARY KEY AUTOINCREMENT,
model TEXT NOT NULL,
desc TEXT,
price REAL,
hsn BLOB,
gst REAL,
category TEXT,
brand TEXT)`,
)
init_registered_items.Exec()
register_item, _ = myDatabase.Prepare(
`INSERT INTO registered_items
(model, desc, price, hsn, gst, category, brand)
VALUES (?, ?, ?, ?, ?, ?, ?)`,
)
}
func GetAllItems() []Item {
var allItems []Item
rows, _ := myDatabase.Query(
`SELECT model, desc, price, hsn, gst, category, brand FROM registered_items`,
)
var (
model, desc, cat, brand string
price, GST float64
HSN int
)
for rows.Next() {
rows.Scan(&model, &desc, &price, &HSN, &GST, &cat, &brand)
allItems = append(allItems, Item{model, desc, price, HSN, GST, cat, brand})
}
return allItems
}
func RegisterItem(item Item) bool {
itemNames, _ := myDatabase.Query("SELECT model FROM registered_items")
// check if item already exists
// probably this should be handled by front end
// so we can check this without need of using api
for itemNames.Next() {
var rModel string
itemNames.Scan(&rModel)
if rModel == item.Model {
return false
}
}
register_item.Exec(
item.Model, item.Desc,
item.Price, item.HSN,
item.GST, item.Cat,
item.Brand,
)
return true
}
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