Shopping list (WIP)

backend/src/data/db/mod.rs

@@ -17,6 +17,7 @@ use crate::consts;
 
 pub mod recipe;
 pub mod settings;
+pub mod shopping_list;
 pub mod user;
 
 const CURRENT_DB_VERSION: u32 = 1;

backend/src/data/db/shopping_list.rs

@@ -0,0 +1,38 @@
+use sqlx;
+
+use super::{Connection, DBError, Result};
+use crate::data::model;
+
+impl Connection {
+    pub async fn get_shopping_list(&self, user_id: i64) -> Result<Vec<model::ShoppingListItem>> {
+        sqlx::query_as(
+            r#"
+SELECT [ShoppingEntry].[id],
+	CASE [ShoppingEntry].[name]
+		WHEN '' THEN [Ingredient].[name]
+		ELSE [ShoppingEntry].[name]
+	END AS [name],
+	CASE WHEN [ShoppingEntry].[quantity_value] IS NOT NULL THEN [ShoppingEntry].[quantity_value]
+		ELSE [Ingredient].[quantity_value]
+	END AS [quantity_value],
+	CASE [ShoppingEntry].[quantity_unit] WHEN '' THEN [Ingredient].[quantity_unit]
+		ELSE [ShoppingEntry].[quantity_unit]
+	END AS [quantity_unit],
+	[Recipe].[id] AS [recipe_id],
+	[Recipe].[title] AS [recipe_title],
+	[RecipeScheduled].[date],
+	[is_checked]
+FROM [ShoppingEntry]
+	LEFT JOIN [Ingredient] ON [Ingredient].[id] = [ShoppingEntry].[ingredient_id]
+	LEFT JOIN [RecipeScheduled] ON [RecipeScheduled].[id] = [ShoppingEntry].[recipe_scheduled_id]
+	LEFT JOIN [Recipe] ON [Recipe].[id] = [RecipeScheduled].[recipe_id]
+WHERE [ShoppingEntry].[user_id] = $1
+ORDER BY [is_checked], [recipe_id], [name]
+        "#,
+        )
+        .bind(user_id)
+        .fetch_all(&self.pool)
+        .await
+        .map_err(DBError::from)
+    }
+}

backend/src/data/model.rs

@@ -72,3 +72,15 @@ pub struct Ingredient {
     pub quantity_value: Option<f64>,
     pub quantity_unit: String,
 }
+
+#[derive(Debug, FromRow)]
+pub struct ShoppingListItem {
+    pub id: i64,
+    pub name: String,
+    pub quantity_value: Option<f64>,
+    pub quantity_unit: String,
+    pub recipe_id: Option<i64>,
+    pub recipe_title: Option<String>,
+    pub date: Option<NaiveDate>,
+    pub is_checked: bool,
+}