first commit

src/services/mock/helpers.js

@@ -0,0 +1,91 @@
+export const ok = (data, meta) => ({ data, meta })
+
+export const paginate = (items, query) => {
+  const page = Number(query.page || 1)
+  const perPage = Number(query.perPage || 10)
+  const total = items.length
+  const lastPage = Math.max(1, Math.ceil(total / perPage))
+  const start = (page - 1) * perPage
+  const sliced = items.slice(start, start + perPage)
+  return {
+    data: sliced,
+    meta: { page, perPage, total, lastPage, currentPage: page },
+  }
+}
+
+const stringIncludes = (haystack, needle) =>
+  String(haystack ?? '')
+    .toLowerCase()
+    .includes(String(needle ?? '').toLowerCase())
+
+export const filterItems = (items, query, rules = {}) =>
+  items.filter((item) => {
+    for (const [key, rule] of Object.entries(rules)) {
+      const value = query[key]
+      if (value === '' || value == null) continue
+      if (typeof rule === 'function') {
+        if (!rule(item, value)) return false
+      } else
+        switch (rule) {
+          case 'eq': {
+            if (String(item[key]) !== String(value)) return false
+
+            break
+          }
+          case 'includes': {
+            if (!stringIncludes(item[key], value)) return false
+
+            break
+          }
+          case 'fromDate': {
+            if (!item[rule.field || 'createdAt']) continue
+            if (new Date(item[rule.field || 'createdAt']) < new Date(value)) return false
+
+            break
+          }
+          // No default
+        }
+    }
+    return true
+  })
+
+export const filterDateRange = (items, query, field = 'createdAt') => {
+  if (!query.fromDate && !query.toDate) return items
+  return items.filter((item) => {
+    const v = item[field]
+    if (!v) return !query.fromDate && !query.toDate
+    const d = new Date(v).getTime()
+    if (query.fromDate && d < new Date(query.fromDate).getTime()) return false
+    if (query.toDate && d > new Date(query.toDate).getTime()) return false
+    return true
+  })
+}
+
+let nextId = 1000
+export const makeId = () => ++nextId
+
+export const findOrThrow = (list, id) => {
+  const found = list.find((item) => String(item.id) === String(id))
+  if (!found) {
+    const err = new Error('Not Found')
+    err.response = { status: 404, statusText: 'Not Found', data: { message: 'Not Found' } }
+    throw err
+  }
+  return found
+}
+
+export const removeById = (list, id) => {
+  const idx = list.findIndex((x) => String(x.id) === String(id))
+  if (idx !== -1) list.splice(idx, 1)
+}
+
+export const updateById = (list, id, patch) => {
+  const idx = list.findIndex((x) => String(x.id) === String(id))
+  if (idx === -1) return null
+  list[idx] = { ...list[idx], ...patch }
+  return list[idx]
+}
+
+export const isoDaysFromNow = (days) => new Date(Date.now() + days * 86_400_000).toISOString()
+
+export const isoNow = () => new Date().toISOString()