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use crate::models::{AddCartItem, CartItem, Customer, Product};
use crate::schema::product::dsl as prod;
use crate::schema::{cart_items::dsl::*, customer::dsl::*};
use crate::TPool;
use actix_identity::Identity;
use actix_web::{web, HttpResponse, Responder};
use diesel::prelude::*;
use log::{error, info};
use serde::Serialize;
pub async fn add_to_cart(
cookie: Identity,
item_id: String,
pool: web::Data<TPool>,
) -> impl Responder {
let item_details = item_id.parse::<i32>().unwrap_or(-1);
info!("Add to cart hit: {:?}", item_details);
info!("[cart] Current user: {:?}", cookie.identity());
let conn = pool.get().unwrap();
if let Some(uname) = cookie.identity() {
let selected_user = customer
.filter(username.eq(&uname))
.limit(1)
.first::<Customer>(&conn)
.expect("Couldn't connect to DB");
let new_cart_item = AddCartItem {
cart_id: selected_user.id,
product_id: item_details,
quantity: Some(1),
};
info!(
"cart id: {:?}, product id {:?}",
selected_user.id, item_details
);
let current_entry = cart_items
.filter(cart_id.eq(selected_user.id))
.filter(product_id.eq(item_details))
.limit(1)
.first::<CartItem>(&conn);
match current_entry {
Ok(v) => {
info!("Item already present in cart, increasing quantity.");
let old_quantity = v.quantity.unwrap_or(1);
diesel::update(
cart_items
.filter(cart_id.eq(selected_user.id))
.filter(product_id.eq(item_details)),
)
.set(quantity.eq(old_quantity + 1))
.execute(&conn)
.unwrap();
return HttpResponse::Ok()
.body("Updated quantity successfully!");
}
Err(_) => {
info!("Item not present, adding to cart.");
diesel::insert_into(cart_items)
.values(new_cart_item)
.execute(&conn)
.expect("Couldn't connect to DB");
HttpResponse::Ok().body("Inserted successfully!")
}
}
} else {
error!("Unauthorized add to cart action!");
return HttpResponse::Unauthorized()
.body("Need to be logged in to add to cart!");
}
}
pub async fn remove_from_cart(
cookie: Identity,
item_id: String,
pool: web::Data<TPool>,
) -> impl Responder {
info!("Remove from cart hit: {:?}", item_id);
let item_details = item_id.parse::<i32>().unwrap_or(-1);
let conn = pool.get().unwrap();
if let Some(uname) = cookie.identity() {
let selected_user = customer
.filter(username.eq(&uname))
.limit(1)
.first::<Customer>(&conn)
.expect("Couldn't connect to DB");
let current_entry = cart_items
.filter(cart_id.eq(selected_user.id))
.filter(product_id.eq(item_details))
.limit(1)
.first::<CartItem>(&conn);
match current_entry {
Ok(v) => {
info!("Item already present in cart, increasing quantity.");
let old_quantity = v.quantity.unwrap_or(1);
if old_quantity == 1 {
diesel::delete(
cart_items
.filter(cart_id.eq(selected_user.id))
.filter(product_id.eq(item_details)),
)
.execute(&conn)
.expect("Coundn't connect to DB");
} else {
diesel::update(
cart_items
.filter(cart_id.eq(selected_user.id))
.filter(product_id.eq(item_details)),
)
.set(quantity.eq(old_quantity - 1))
.execute(&conn)
.unwrap();
return HttpResponse::Ok()
.body("Updated quantity successfully!");
}
return HttpResponse::Ok()
.body("Updated quantity successfully!");
}
Err(_) => {
info!("Item not present.");
return HttpResponse::InternalServerError()
.body("Item not found!");
}
}
} else {
error!("Unauthorized add to cart action!");
return HttpResponse::Unauthorized()
.body("Need to be logged in to add to cart!");
}
}
#[derive(Serialize)]
struct UserCartItem {
product_item: Product,
quantity: i32,
}
pub async fn get_user_cart_items(
cookie: Identity,
pool: web::Data<TPool>,
) -> impl Responder {
let conn = pool.get().unwrap();
if let Some(uname) = cookie.identity() {
let selected_user = customer
.filter(username.eq(&uname))
.limit(1)
.first::<Customer>(&conn)
.expect("Couldn't connect to DB");
let user_cart_items = cart_items
.filter(cart_id.eq(selected_user.id))
.load::<CartItem>(&conn)
.expect("Couldn't connect to DB");
let cart_products = user_cart_items
.into_iter()
.map(|item| {
let p = prod::product
.filter(prod::id.eq(item.product_id))
.limit(1)
.first::<Product>(&conn)
.expect("Couldn't connect to db");
UserCartItem {
product_item: p,
quantity: item.quantity.unwrap_or(1),
}
})
.collect::<Vec<_>>();
return HttpResponse::Ok().json(&cart_products);
} else {
return HttpResponse::Unauthorized()
.body("Need to be logged in to add to cart!");
}
}
pub async fn get_user_cart_total(
cookie: Identity,
pool: web::Data<TPool>,
) -> impl Responder {
let conn = pool.get().unwrap();
if let Some(uname) = cookie.identity() {
let selected_user = customer
.filter(username.eq(&uname))
.limit(1)
.first::<Customer>(&conn)
.expect("Couldn't connect to DB");
let user_cart_items = cart_items
.filter(cart_id.eq(selected_user.id))
.load::<CartItem>(&conn)
.expect("Couldn't connect to DB");
let cart_total: f32 = user_cart_items
.into_iter()
.map(|item| {
let p = prod::product
.filter(prod::id.eq(item.product_id))
.limit(1)
.first::<Product>(&conn)
.expect("Couldn't connect to db");
return p.price * item.quantity.unwrap_or(1) as f32;
})
.sum();
return HttpResponse::Ok().json(&cart_total);
} else {
return HttpResponse::Unauthorized()
.body("Need to be logged in to add to cart!");
}
}
|
