Make sure 0 kcal products aren't seen as mystery meals

browser/src/lib.rs

@@ -52,6 +52,7 @@ pub fn init_camera_feed(product_options_js: JsValue) -> Result<(), String> {
         serde_wasm_bindgen::from_value(product_options_js).unwrap();
     let test: Nutrition = Nutrition {
         id: 69,
+        valid: true,
         name: "Vitamin".to_string(),
         manufacturer: "Piller".to_string(),
         barcode: "5702071500179".to_string(),

shared/src/structs/nutrition.rs

@@ -13,6 +13,7 @@ use serde::{Deserialize, Serialize};
 #[derive(Debug, PartialEq, Clone, Serialize, Deserialize)]
 #[cfg_attr(feature = "sql", derive(FieldNamesAsArray))]
 pub struct Nutrition {
+    pub valid: bool,
     pub id: u32,
     pub name: String,
     pub manufacturer: String,
@@ -64,6 +65,7 @@ impl Nutrition {
     fn get_sql_fields() -> String {
         Nutrition::FIELD_NAMES_AS_ARRAY
             .iter()
+            .skip(1)
             .cloned()
             .intersperse(", ")
             .collect()
@@ -97,6 +99,7 @@ impl Nutrition {
                 vitamin_d,
             ] = row;
             Nutrition {
+                valid: amount.is_some() && divisor.is_some() && kcal.is_some(),
                 id,
                 name: name.unwrap_or("".to_string()),
                 manufacturer: manufacturer.unwrap_or("".to_string()),
@@ -153,9 +156,7 @@ impl Nutrition {
     }
 
     pub fn is_valid(&self) -> bool {
-        // Comparing self.kcal with 0. should be okay, since it is initialized to 0. and if it is
+        self.valid
-        // changed in any way, this function should return true
-        self.amount != 0 && self.divisor != 0 && self.kcal != 0.
     }
 
     pub fn id(&self) -> u32 {