add: single_use products

crates/app/src/langs/en-US.toml

@@ -337,9 +337,11 @@ version = "1.0.0"
 "economy:label.create_new" = "Create new product"
 "economy:label.price" = "Price"
 "economy:label.on_sale" = "On sale"
+"economy:label.single_use" = "Only allow users to purchase once"
 "economy:label.stock" = "Stock"
 "economy:label.unlimited" = "Unlimited"
 "economy:label.fulfillment_style" = "Fulfillment style"
 "economy:label.use_automail" = "Use automail"
 "economy:label.automail_message" = "Automail message"
 "economy:action.buy" = "Buy"
+"economy:label.already_purchased" = "Already purchased"

crates/app/src/public/html/economy/edit.lisp

@@ -77,6 +77,18 @@
                     ("oninput" "event.preventDefault(); update_on_sale_from_form(event.target.checked)"))
                 (span
                     (str (text "economy:label.on_sale"))))
+            (label
+                ("for" "single_use")
+                ("class" "flex items_center gap_2")
+                (input
+                    ("type" "checkbox")
+                    ("id" "single_use")
+                    ("name" "single_use")
+                    ("class" "w_content")
+                    ("checked" "{{ product.single_use }}")
+                    ("oninput" "event.preventDefault(); update_single_use_from_form(event.target.checked)"))
+                (span
+                    (str (text "economy:label.single_use"))))
             (div
                 ("class" "flex flex_col gap_1")
                 (label
@@ -240,6 +252,27 @@
             });
     }
 
+    async function update_single_use_from_form(single_use) {
+        await trigger(\"atto::debounce\", [\"products::update\"]);
+
+        fetch(\"/api/v1/products/{{ product.id }}/single_use\", {
+            method: \"POST\",
+            headers: {
+                \"Content-Type\": \"application/json\",
+            },
+            body: JSON.stringify({
+                single_use,
+            }),
+        })
+            .then((res) => res.json())
+            .then((res) => {
+                trigger(\"atto::toast\", [
+                    res.ok ? \"success\" : \"error\",
+                    res.message,
+                ]);
+            });
+    }
+
     async function update_price_from_form(e) {
         e.preventDefault();
         await trigger(\"atto::debounce\", [\"products::update\"]);

crates/app/src/public/html/economy/product.lisp

@@ -28,12 +28,19 @@
                 (icon (text "badge-cent"))
                 (text "{{ product.price }}"))
             (text "{% if user.id != product.owner -%}")
+            (text "{% if not already_purchased -%}")
             (button
                 ("onclick" "purchase()")
                 ("disabled" "{{ product.stock == 0 }}")
                 (icon (text "piggy-bank"))
                 (str (text "economy:action.buy")))
             (text "{% else %}")
+            (span
+                ("class" "green flex items_center gap_2")
+                (icon (text "circle-check"))
+                (str (text "economy:label.already_purchased")))
+            (text "{%- endif %}")
+            (text "{% else %}")
             (a
                 ("class" "button")
                 ("href" "/product/{{ product.id }}/edit")

crates/app/src/public/html/profile/base.lisp

@@ -304,7 +304,7 @@
 
                             globalThis.request_transfer = async () => {
                                 await trigger(\"atto::debounce\", [\"economy::transfer\"]);
-                                const amount = Number.parseInt((await trigger(\"atto::prompt\", [\"Request amount:\"])) || \"\");
+                                const amount = Number.parseInt((await trigger(\"atto::prompt\", [\"Request amount:\"])) || \"0\");
 
                                 if (amount === 0) {
                                     return;

crates/app/src/routes/api/v1/mod.rs

@@ -732,6 +732,10 @@ pub fn routes() -> Router {
             "/products/{id}/on_sale",
             post(products::update_on_sale_request),
         )
+        .route(
+            "/products/{id}/single_use",
+            post(products::update_single_use_request),
+        )
         .route("/products/{id}/price", post(products::update_price_request))
         .route(
             "/products/{id}/method",
@@ -1275,6 +1279,11 @@ pub struct UpdateProductOnSale {
     pub on_sale: bool,
 }
 
+#[derive(Deserialize)]
+pub struct UpdateProductSingleUse {
+    pub single_use: bool,
+}
+
 #[derive(Deserialize)]
 pub struct UpdateProductPrice {
     pub price: i32,

crates/app/src/routes/api/v1/products.rs

@@ -3,7 +3,7 @@ use axum::{extract::Path, response::IntoResponse, Extension, Json};
 use tetratto_core::model::{economy::Product, oauth, ApiReturn, Error};
 use super::{
     CreateProduct, UpdateProductDescription, UpdateProductMethod, UpdateProductOnSale,
-    UpdateProductPrice, UpdateProductStock, UpdateProductTitle,
+    UpdateProductPrice, UpdateProductSingleUse, UpdateProductStock, UpdateProductTitle,
 };
 
 pub async fn create_request(
@@ -137,6 +137,31 @@ pub async fn update_on_sale_request(
     }
 }
 
+pub async fn update_single_use_request(
+    jar: CookieJar,
+    Extension(data): Extension<State>,
+    Path(id): Path<usize>,
+    Json(req): Json<UpdateProductSingleUse>,
+) -> impl IntoResponse {
+    let data = &(data.read().await).0;
+    let user = match get_user_from_token!(jar, data, oauth::AppScope::UserManageProducts) {
+        Some(ua) => ua,
+        None => return Json(Error::NotAllowed.into()),
+    };
+
+    match data
+        .update_product_single_use(id, &user, if req.single_use { 1 } else { 0 })
+        .await
+    {
+        Ok(_) => Json(ApiReturn {
+            ok: true,
+            message: "Product updated".to_string(),
+            payload: (),
+        }),
+        Err(e) => Json(e.into()),
+    }
+}
+
 pub async fn update_price_request(
     jar: CookieJar,
     Extension(data): Extension<State>,

crates/app/src/routes/pages/economy.rs

@@ -4,7 +4,7 @@ use axum::{
     Extension,
 };
 use crate::cookie::CookieJar;
-use tetratto_core::model::Error;
+use tetratto_core::model::{economy::CoinTransferMethod, Error};
 use crate::{assets::initial_context, get_lang, get_user_from_token, State};
 use super::{render_error, PaginatedQuery};
 
@@ -138,11 +138,21 @@ pub async fn product_request(
         Err(e) => return Err(Html(render_error(e, &jar, &data, &Some(user)).await)),
     };
 
+    let already_purchased = if product.single_use {
+        data.0
+            .get_transfer_by_sender_method(user.id, CoinTransferMethod::Purchase(product.id))
+            .await
+            .is_ok()
+    } else {
+        false
+    };
+
     let lang = get_lang!(jar, data.0);
     let mut context = initial_context(&data.0.0.0, lang, &Some(user)).await;
 
     context.insert("product", &product);
     context.insert("owner", &owner);
+    context.insert("already_purchased", &already_purchased);
 
     // return
     Ok(Html(

crates/core/src/database/drivers/sql/create_products.sql

@@ -7,5 +7,6 @@ CREATE TABLE IF NOT EXISTS products (
     method TEXT NOT NULL,
     on_sale INT NOT NULL,
     price INT NOT NULL,
-    stock INT NOT NULL
+    stock INT NOT NULL,
+    single_use INT NOT NULL
 )

crates/core/src/database/drivers/sql/version_migrations.sql

@@ -45,3 +45,7 @@ ADD COLUMN IF NOT EXISTS data TEXT DEFAULT '"Null"';
 -- users checkouts
 ALTER TABLE users
 ADD COLUMN IF NOT EXISTS checkouts TEXT DEFAULT '[]';
+
+-- products single_use
+ALTER TABLE products
+ADD COLUMN IF NOT EXISTS single_use INT DEFAULT 1;

crates/core/src/database/products.rs

@@ -21,6 +21,7 @@ impl DataManager {
             on_sale: get!(x->6(i32)) as i8 == 1,
             price: get!(x->7(i32)),
             stock: get!(x->8(i32)),
+            single_use: get!(x->9(i32)) as i8 == 1,
         }
     }
 
@@ -103,7 +104,7 @@ impl DataManager {
 
         let res = execute!(
             &conn,
-            "INSERT INTO products VALUES ($1, $2, $3, $4, $5, $6, $7, $8, $9)",
+            "INSERT INTO products VALUES ($1, $2, $3, $4, $5, $6, $7, $8, $9, $10)",
             params![
                 &(data.id as i64),
                 &(data.created as i64),
@@ -113,7 +114,8 @@ impl DataManager {
                 &serde_json::to_string(&data.method).unwrap(),
                 &{ if data.on_sale { 1 } else { 0 } },
                 &data.price,
-                &(data.stock as i32)
+                &(data.stock as i32),
+                &{ if data.single_use { 1 } else { 0 } },
             ]
         );
 
@@ -131,6 +133,22 @@ impl DataManager {
         customer: &mut User,
     ) -> Result<CoinTransfer> {
         let product = self.get_product_by_id(product).await?;
+
+        // handle single_use product
+        if product.single_use {
+            if self
+                .get_transfer_by_sender_method(
+                    customer.id,
+                    CoinTransferMethod::Purchase(product.id),
+                )
+                .await
+                .is_ok()
+            {
+                return Err(Error::MiscError("You already own this product".to_string()));
+            }
+        }
+
+        // ...
         let mut transfer = CoinTransfer::new(
             customer.id,
             product.owner,
@@ -231,6 +249,7 @@ If your product is a purchase of goods or services, please be sure to fulfill th
     auto_method!(update_product_price(i32)@get_product_by_id:FinePermission::MANAGE_USERS; -> "UPDATE products SET price = $1 WHERE id = $2" --cache-key-tmpl="atto.product:{}");
     auto_method!(update_product_on_sale(i32)@get_product_by_id:FinePermission::MANAGE_USERS; -> "UPDATE products SET on_sale = $1 WHERE id = $2" --cache-key-tmpl="atto.product:{}");
     auto_method!(update_product_method(ProductFulfillmentMethod)@get_product_by_id:FinePermission::MANAGE_USERS; -> "UPDATE products SET method = $1 WHERE id = $2" --serde --cache-key-tmpl="atto.product:{}");
+    auto_method!(update_product_single_use(i32)@get_product_by_id:FinePermission::MANAGE_USERS; -> "UPDATE products SET single_use = $1 WHERE id = $2" --cache-key-tmpl="atto.product:{}");
 
     auto_method!(update_product_stock(i32)@get_product_by_id:FinePermission::MANAGE_USERS; -> "UPDATE products SET stock = $1 WHERE id = $2" --cache-key-tmpl="atto.product:{}");
     auto_method!(incr_product_stock() -> "UPDATE products SET stock = stock + 1 WHERE id = $1" --cache-key-tmpl="atto.product:{}" --incr);

crates/core/src/database/transfers.rs

@@ -5,7 +5,7 @@ use crate::model::{
     auth::{Notification, User},
 };
 use crate::{auto_method, DataManager};
-use oiseau::{cache::Cache, execute, get, params, query_rows, PostgresRow};
+use oiseau::{cache::Cache, execute, get, params, query_row, query_rows, PostgresRow};
 
 impl DataManager {
     /// Get a [`CoinTransfer`] from an SQL row.
@@ -101,6 +101,35 @@ impl DataManager {
         Ok(res.unwrap())
     }
 
+    /// Get a transfer by user and method.
+    ///
+    /// # Arguments
+    /// * `id` - the ID of the user to fetch transfers for
+    /// * `method` - the transfer method
+    pub async fn get_transfer_by_sender_method(
+        &self,
+        id: usize,
+        method: CoinTransferMethod,
+    ) -> Result<CoinTransfer> {
+        let conn = match self.0.connect().await {
+            Ok(c) => c,
+            Err(e) => return Err(Error::DatabaseConnection(e.to_string())),
+        };
+
+        let res = query_row!(
+            &conn,
+            "SELECT * FROM transfers WHERE sender = $1 AND method = $2 LIMIT 1",
+            params![&(id as i64), &serde_json::to_string(&method).unwrap()],
+            |x| { Ok(Self::get_transfer_from_row(x)) }
+        );
+
+        if res.is_err() {
+            return Err(Error::GeneralNotFound("transfer".to_string()));
+        }
+
+        Ok(res.unwrap())
+    }
+
     /// Create a new transfer in the database.
     ///
     /// # Arguments

crates/core/src/model/economy.rs

@@ -29,6 +29,8 @@ pub struct Product {
     ///
     /// A negative stock means the product has unlimited stock.
     pub stock: i32,
+    /// If this product is limited to one purchase per person.
+    pub single_use: bool,
 }
 
 impl Product {
@@ -44,6 +46,7 @@ impl Product {
             on_sale: false,
             price: 0,
             stock: 0,
+            single_use: true,
         }
     }
 }