82 lines
2.4 KiB
TypeScript
82 lines
2.4 KiB
TypeScript
import type { RecipeItem } from '~/types'
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import { uniqueStuff } from '@yunyoujun/cook/recommend'
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/**
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* 用户自己添加的菜谱：只存在本机，和收录的菜谱一起参与匹配和「吃什么」
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*/
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export interface CustomRecipe extends RecipeItem {
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customId: string
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/** 做法备注，没有视频时可以简单记几句 */
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note?: string
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createdAt: number
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updatedAt: number
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}
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export interface CustomRecipeInput {
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name: string
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stuff: string[]
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tools: string[]
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/** B 站链接、BV 号或任意做法链接 */
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source: string
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note: string
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}
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export const CUSTOM_RECIPE_NAME_MAX = 30
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const BV_PATTERN = /(?:^|[^0-9a-z])(BV[0-9a-z]{10})(?![0-9a-z])/i
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const URL_PATTERN = /^https?:\/\/\S+$/i
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/** 识别做法来源：能找到 BV 号就按 B 站视频存，否则只接受 http(s) 链接 */
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export function parseRecipeSource(text: string): Pick<RecipeItem, 'bv' | 'link'> | undefined {
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const value = text.trim()
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if (!value)
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return {}
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const bv = value.match(BV_PATTERN)?.[1]
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if (bv)
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return { bv: `BV${bv.slice(2)}` }
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if (URL_PATTERN.test(value))
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return { link: value }
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return undefined
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}
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export function isCustomRecipe(recipe: RecipeItem): recipe is CustomRecipe {
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return typeof (recipe as Partial<CustomRecipe>).customId === 'string'
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}
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export function createCustomRecipeId() {
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return `custom-${Date.now().toString(36)}-${Math.random().toString(36).slice(2, 8)}`
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}
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/** 校验表单并生成菜谱；出错时返回给用户看的提示 */
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export function buildCustomRecipe(
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input: CustomRecipeInput,
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existing?: Pick<CustomRecipe, 'customId' | 'createdAt'>,
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now = Date.now(),
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): { recipe: CustomRecipe } | { error: string } {
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const name = input.name.trim()
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if (!name)
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return { error: '给菜起个名字吧' }
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if (name.length > CUSTOM_RECIPE_NAME_MAX)
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return { error: `菜名最多 ${CUSTOM_RECIPE_NAME_MAX} 个字` }
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const stuff = uniqueStuff(input.stuff)
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if (!stuff.length)
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return { error: '至少选一样食材，才能被匹配到' }
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const source = parseRecipeSource(input.source)
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if (!source)
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return { error: '做法链接需要是 B 站 BV 号或 http 开头的网址' }
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const note = input.note.trim()
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return {
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recipe: {
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customId: existing?.customId ?? createCustomRecipeId(),
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name,
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stuff,
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tools: [...new Set(input.tools)],
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...source,
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...(note ? { note } : {}),
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tags: [],
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createdAt: existing?.createdAt ?? now,
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updatedAt: now,
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},
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}
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}
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