recipe-app/frontend/src/components/recipes/RecipeEditor.tsx

147 lines
4.5 KiB
TypeScript

import { useState } from "react"
import type { Recipe } from "../../types/recipe"
import type { IngredientGroup } from "../../types/ingredientGroup"
import { IngredientGroupListEditor } from "./IngredientGroupListEditor"
type RecipeEditorProps = {
recipe: Recipe
onSave: (recipe: Recipe) => void
onCancel: () => void
}
/**
* Editor component for managing a recipe, including title,
* ingredients (with amount, unit, name), instructions, and image URL.
* @todo adapt to ingredientGroups!
*/
export default function RecipeEditor({ recipe, onSave, onCancel }: RecipeEditorProps) {
/** draft of the new recipe */
const [draft, setDraft] = useState<Recipe>(recipe)
/** Error list */
const [errors, setErrors] = useState<{ title?: boolean; ingredients?: boolean }>({})
/**
* Update ingredients
* @param ingredients new ingredients
*/
const updateIngredientGroupList = (ingredientGroupList: IngredientGroup[]) => {
setDraft({ ...draft, ingredientGroupList })
}
/**
* Validate recipe
* @returns Information on the errors the validation encountered
*/
const validate = () => {
const newErrors: { title?: boolean; ingredients?: boolean } = {}
// each recipe requires a title
if (!draft.title.trim()) {
newErrors.title = true
}
/* there must be at least one ingredient group
* no group may contain an empty ingredient list
* @todo check whether all ingredients are valid
* @todo enhance visualization of ingredient errors
*/
if (!draft.ingredientGroupList || draft.ingredientGroupList.length === 0) {
newErrors.ingredients = true
} else {
let isAnyIngredientListEmpty = draft.ingredientGroupList.some(
ingGrp => {
return !ingGrp.ingredientList || ingGrp.ingredientList.length === 0
}
)
if(isAnyIngredientListEmpty){
newErrors.ingredients = true
}
}
setErrors(newErrors)
return Object.keys(newErrors).length === 0
}
/** Handles saving and ensures that the draft is only saved if valid */
const handleSave = (draft: Recipe) => {
if (validate()) {
onSave(draft)
}
}
// ensure that there is a recipe and show error otherwise
if (!recipe) return <div>Oops, there's no recipe in RecipeEditor...</div>
// @todo add handling of images
return (
<div className="p-4 gap-10">
<h2 className="content-title">
{recipe.id ? "Edit Recipe" : "New Recipe"}
</h2>
{/* Title */}
<h3 className="subsection-heading">Title</h3>
<input
className={`input-field ${errors.title ? "border-red-500" : ""}`}
placeholder="Title"
value={draft.title}
onChange={e => setDraft({ ...draft, title: e.target.value })}
/>
{/* Servings */}
<h3 className="subsection-heading">Servings</h3>
<div className="columns-3 gap-2 flex items-center">
<label>For</label>
<input
type="number"
className="input-field w-20"
placeholder="1"
value={draft.servings.amount}
onChange={e => {
const tempServings = draft.servings
tempServings.amount = Number(e.target.value)
setDraft({...draft, servings: tempServings})
}}
/>
<input
className="input-field"
placeholder="Persons"
value={draft.servings.unit}
onChange={e => {
const tempServings = draft.servings
tempServings.unit = e.target.value
setDraft({...draft, servings: tempServings})
}}
/>
</div>
{/* Ingredient List - @todo better visualization of errors! */}
<div className={errors.ingredients ? "border border-red-500 rounded p-2" : ""}>
<IngredientGroupListEditor
ingredientGroupList={draft.ingredientGroupList}
onChange={updateIngredientGroupList}
/>
</div>
<h3 className="subsection-heading">Instructions</h3>
{/* Instructions */}
<textarea
className="input-field"
placeholder="Instructions"
value={draft.instructions}
onChange={e => setDraft({ ...draft, instructions: e.target.value })}
/>
<div className="button-group">
{/* Save Button */}
<button
className="primary-button"
onClick={() => handleSave(draft)}
>
Save
</button>
<button
className="default-button"
onClick={() => onCancel()}
>
Cancel
</button>
</div>
</div>
)
}