usable books page

vue3/src/utils/model_utils.ts

@@ -1,4 +1,4 @@
-import {Ingredient} from "@/openapi";
+import {Ingredient, Recipe} from "@/openapi";
 
 /**
  * returns a string representing an ingredient
@@ -7,21 +7,46 @@ import {Ingredient} from "@/openapi";
 export function ingredientToString(ingredient: Ingredient) {
     let content = []
 
-    if(ingredient == undefined){
+    if (ingredient == undefined) {
         return ''
     }
 
-    if(ingredient.amount != 0){
+    if (ingredient.amount != 0) {
         content.push(ingredient.amount)
     }
-    if(ingredient.unit){
+    if (ingredient.unit) {
         content.push(ingredient.unit.name)
     }
-    if(ingredient.food){
+    if (ingredient.food) {
         content.push(ingredient.food.name)
     }
-    if(ingredient.note){
+    if (ingredient.note) {
         content.push(`(${ingredient.note})`)
     }
     return content.join(' ')
+}
+
+
+/**
+ * returns a list of all ingredients used by the given recipe
+ * @param recipe recipe to return ingredients for
+ * @param t useI18N object to use for translation
+ * @param options options object for list generation
+ *                showStepHeaders - add steps as a header ingredient if it's configured on the step
+ */
+export function getRecipeIngredients(recipe: Recipe, t: any, options: { showStepHeaders: boolean } = {showStepHeaders: false}) {
+    let ingredients = [] as Ingredient[]
+    recipe.steps.forEach((step, index) => {
+        if (step.showAsHeader && options.showStepHeaders && recipe.steps.length > 1 && (step.ingredients.length > 0 || step.name != '')) {
+            ingredients.push({
+                amount: 0,
+                unit: null,
+                food: null,
+                note: (step.name !== '') ? step.name : t('Step') + ' ' + (index + 1),
+                isHeader: true
+            } as Ingredient)
+        }
+        ingredients = ingredients.concat(step.ingredients)
+    })
+    return ingredients
 }