docs and background for details page
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Anika Raemer
parent
3f075d509b
commit
ef8388be6d
5 changed files with 123 additions and 106 deletions
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@ -17,47 +17,47 @@ export default function RecipeDetailPage() {
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// the recipe loaded from the backend, don't change this! it's required for scaling
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const [recipe, setRecipe] = useState<RecipeModel | null>(null)
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// Working copy for re-calculating ingredients
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const [recipeWorkingCopy, setRecipeWorkingCopy] = useState<RecipeModel|null>(null)
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const [recipeWorkingCopy, setRecipeWorkingCopy] = useState<RecipeModel | null>(null)
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// load recipe data whenever id changes
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useEffect(() => {
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const loadRecipe = async () => {
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if (id) {
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try {
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// Fetch recipe data when editing an existing one
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console.log("loading recipe with id", id)
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const data = await fetchRecipe(id)
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if(data.id != id){
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throw new Error("Id mismatch when loading recipes: " + id + " requested and " + data.id + " received!");
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}
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setRecipe(mapRecipeDtoToModel(data))
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} catch (err) {
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console.error(err)
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useEffect(() => {
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const loadRecipe = async () => {
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if (id) {
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try {
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// Fetch recipe data when editing an existing one
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console.log("loading recipe with id", id)
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const data = await fetchRecipe(id)
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if (data.id != id) {
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throw new Error("Id mismatch when loading recipes: " + id + " requested and " + data.id + " received!");
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}
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setRecipe(mapRecipeDtoToModel(data))
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} catch (err) {
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console.error(err)
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}
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}
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loadRecipe()
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}, [id])
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}
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// set original recipe data and working copy when recipe changes
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useEffect( ()=> {
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setRecipeWorkingCopy(recipe);
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}, [recipe])
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loadRecipe()
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}, [id])
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// set original recipe data and working copy when recipe changes
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useEffect(() => {
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setRecipeWorkingCopy(recipe);
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}, [recipe])
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if (!recipe || !recipeWorkingCopy) {
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return <p className="p-6">Recipe not found.</p>
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}
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/** recalculate ingredients based on the amount of servings */
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/** recalculate ingredients based on the amount of servings */
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const recalculateIngredients = (newAmount: number) => {
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// Always calculate factor from the *original recipe*, not the working copy
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const factor = newAmount / recipe.servings.amount
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// Create a new ingredient list with updated amounts
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const updatedIngredientGroupList = recipe.ingredientGroupList.map((ingGrp) => ({
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...ingGrp,
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...ingGrp,
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ingredientList: ingGrp.ingredientList.map((ing) => ({
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...ing,
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amount: ing.amount * factor,
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@ -75,82 +75,90 @@ export default function RecipeDetailPage() {
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})
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}
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return (
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<div className="p-6 max-w-2xl mx-auto">
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<h1 className="content-title">{recipeWorkingCopy.title}</h1>
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{/* Recipe image */}
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{recipe.imageUrl && (
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<img
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src={recipe.imageUrl}
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alt={recipe.title}
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className="w-full rounded-xl mb-4 border"
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/>
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)}
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{/* Servings */}
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<div className="flex flex-row items-center gap-2 bg-blue-100 columns-2 rounded p-2 mb-4">
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<p className="mb-2">For {recipeWorkingCopy.servings.amount} {recipeWorkingCopy.servings.unit}</p>
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<input
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type="number"
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className="input-field w-20 ml-auto"
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value={recipeWorkingCopy.servings.amount}
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onChange={
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e => {
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recalculateIngredients(Number(e.target.value))
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}
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}
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/>
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return (
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/*Container spanning entire screen used to center content horizontally */
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<div className="app-bg">
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{/* Container defining the maximum width of the content */}
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<div className="content-container">
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{/* Header - remains in position when scrolling */}
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<div className="sticky bg-gray-100 top-0 left-0 right-0 pb-4 border-b-2 border-gray-300">
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<h1 className="content-title">{recipeWorkingCopy.title}</h1>
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</div>
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{/* Ingredients */}
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<h2 className="section-heading">Zutaten</h2>
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<ul>
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{recipeWorkingCopy.ingredientGroupList.map((group,i) => (
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<div key={i}>
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{/* the title is optional, only print if present */}
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{group.title && group.title.trim() !== "" && (
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<h3 className="subsection-heading">{group.title}</h3>
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)}
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<ul className="default-list">
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{group.ingredientList.map((ing, j) => (
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<li key={j}>
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{ing.amount} {ing.unit ?? ""} {ing.name}
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</li>
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))}
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</ul>
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<div className="p-6 max-w-2xl mx-auto">
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{/* Recipe image */}
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{recipe.imageUrl && (
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<img
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src={recipe.imageUrl}
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alt={recipe.title}
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className="w-full rounded-xl mb-4 border"
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/>
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)}
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{/* Servings */}
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<div className="flex flex-row items-center gap-2 bg-blue-100 columns-2 rounded p-2 mb-4">
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<p className="mb-2">For {recipeWorkingCopy.servings.amount} {recipeWorkingCopy.servings.unit}</p>
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<input
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type="number"
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className="input-field w-20 ml-auto"
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value={recipeWorkingCopy.servings.amount}
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onChange={
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e => {
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recalculateIngredients(Number(e.target.value))
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}
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}
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/>
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</div>
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))}
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</ul>
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{/* Instructions - @todo add reasonable list delegate component*/}
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<ol className="space-y-4">
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{recipe.instructionStepList.map((step, j) => (
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<li key={j} className="flex items-start gap-4">
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{/* Step number circle */}
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<div className="enumeration-indicator">
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{j + 1}
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{/* Ingredients */}
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<h2 className="section-heading">Zutaten</h2>
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<ul>
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{recipeWorkingCopy.ingredientGroupList.map((group, i) => (
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<div key={i}>
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{/* the title is optional, only print if present */}
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{group.title && group.title.trim() !== "" && (
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<h3 className="subsection-heading">{group.title}</h3>
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)}
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<ul className="default-list">
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{group.ingredientList.map((ing, j) => (
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<li key={j}>
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{ing.amount} {ing.unit ?? ""} {ing.name}
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</li>
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))}
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</ul>
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</div>
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))}
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</ul>
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{/* Step text */}
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<p className="leading-relaxed">{step.text}</p>
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</li>
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))}
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</ol>
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{/* Instructions - @todo add reasonable list delegate component*/}
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<ol className="space-y-4">
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{recipe.instructionStepList.map((step, j) => (
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<li key={j} className="flex items-start gap-4">
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{/* Step number circle */}
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<div className="enumeration-indicator">
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{j + 1}
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</div>
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{/* Action buttons */}
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<div className="button-group">
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<ButtonLink
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to={recipe.id !== undefined ? getRecipeEditUrl(recipe.id) : getRecipeListUrl()} // @todo show error instead
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className="basic-button primary-button-bg primary-button-text"
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text="Bearbeiten"
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/>
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<ButtonLink
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to={getRecipeListUrl()}
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className="basic-button default-button-bg default-button-text"
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text="Zurueck"
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/>
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{/* Step text */}
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<p className="leading-relaxed">{step.text}</p>
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</li>
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))}
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</ol>
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{/* Action buttons */}
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<div className="button-group">
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<ButtonLink
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to={recipe.id !== undefined ? getRecipeEditUrl(recipe.id) : getRecipeListUrl()} // @todo show error instead
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className="basic-button primary-button-bg primary-button-text"
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text="Bearbeiten"
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/>
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<ButtonLink
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to={getRecipeListUrl()}
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className="basic-button default-button-bg default-button-text"
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text="Zurueck"
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/>
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</div>
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</div>
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</div>
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</div>
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)
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}
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