Implemented server routes

.prettierignore

@@ -0,0 +1,4 @@
+.cache
+public
+static
+coverage

.prettierrc.json

@@ -0,0 +1,18 @@
+{
+  "printWidth": 100,
+  "tabWidth": 2,
+  "arrowParens": "avoid",
+  "semi": false,
+  "singleQuote": true,
+  "jsxSingleQuote": true,
+  "trailingComma": "none",
+  "overrides": [
+    {
+      "files": "*.css",
+      "options": {
+        "singleQuote": false,
+        "tabWidth": 4
+      }
+    }
+  ]
+}

components/contexts/GroupProvider.tsx

@@ -1,9 +1,10 @@
-import {createContext, FC, useCallback, useContext, useMemo, useState} from "react";
+import {createContext, FC, useCallback, useContext, useEffect, useMemo, useState} from "react";
 import {Group} from "../../src/types";
-import {useLocalStorage} from "../../src/hooks/useLocalStorage";
 import {ReactNodeLike} from "prop-types";
 import pako from "pako";
 import {Dict} from "../../src/types";
+import {fixedEncodeURIComponent} from "../../src/utils";
+import {GroupRenameBody, GroupSetFactoryArrayBody, SetFactoryArrayBody} from "../../src/types/ApiSchemasFrontend";
 
 interface Props {
   children: ReactNodeLike
@@ -68,9 +69,20 @@ interface StoredFile {
   excludedSuggestions: string[]
 }
 
-export const GroupProvider: FC<Props> = ({children, initial}) => {
+export const postFetchJson = async (url: string, body: Dict<unknown>) => {
-  const [excludedSuggestions, setExcludedSuggestions] = useState<string[]>(initial.ignored)
+  const res = await fetch(url, {
-  const [basicValues, setBasicValues] = useState<string[]>(initial.base)
+    method: 'POST',
+    headers: {
+      'Content-Type': 'application/json'
+    },
+    body: JSON.stringify(body)
+  })
+  return res.json()
+}
+
+export const GroupProvider: FC<Props> = ({children, id, initial}) => {
+  const [excludedSuggestions, _setExcludedSuggestions] = useState<string[]>(initial.ignored)
+  const [basicValues, _setBasicValues] = useState<string[]>(initial.base)
   const [groups, setGroups] = useState<Dict<Group>>(initial.groups)
 
   const doNotSuggest = useMemo<Set<string>>(() => {
@@ -81,35 +93,85 @@ export const GroupProvider: FC<Props> = ({children, initial}) => {
     return new Set([...Object.values(groups).flatMap(group => [...group.exports])])
   }, [groups])
 
+  const setExcludedSuggestions = useCallback<typeof _setExcludedSuggestions>((val) => {
+    _setExcludedSuggestions(val)
+    postFetchJson(`/api/${fixedEncodeURIComponent(id)}/factories`, {
+      type: 'ignored',
+      factories: val
+    } as SetFactoryArrayBody)
+      .catch(console.error)
+  }, [id])
+
+  const setBasicValues = useCallback<typeof _setBasicValues>((val) => {
+    _setBasicValues(val)
+    postFetchJson(`/api/${fixedEncodeURIComponent(id)}/factories`, {
+      type: 'base',
+      factories: val
+    } as SetFactoryArrayBody)
+      .catch(console.error)
+  }, [id])
+
   const addGroup = useCallback((name: string, exports: string[] = [], malls: string[] = []) => {
+    name = name.replace(/[.$]/g, '')
     if (name in groups) return false
     setGroups(groups => {
       groups[name] = { name, exports, malls }
-      return groups
+      return {...groups}
     })
+    ;(async () => {
+      await postFetchJson(`/api/${fixedEncodeURIComponent(id)}/group/${fixedEncodeURIComponent(name)}/add`, {})
+      if (exports.length) {
+        await postFetchJson(`/api/${fixedEncodeURIComponent(id)}/group/${fixedEncodeURIComponent(name)}/factories`, {
+          type: 'exports',
+          factories: exports
+        } as GroupSetFactoryArrayBody)
+      }
+      if (malls.length) {
+        await postFetchJson(`/api/${fixedEncodeURIComponent(id)}/group/${fixedEncodeURIComponent(name)}/factories`, {
+          type: 'malls',
+          factories: exports
+        } as GroupSetFactoryArrayBody)
+      }
+    })().catch(console.error)
     return true
-  }, [groups, setGroups])
+  }, [groups, id])
   const removeGroup = useCallback((name: string) => {
+    name = name.replace(/[.$]/g, '')
     setGroups(groups => {
       delete groups[name]
-      return groups
+      console.log(groups[name])
+      return {...groups}
     })
-  }, [setGroups])
+    postFetchJson(`/api/${fixedEncodeURIComponent(id)}/group/${fixedEncodeURIComponent(name)}/remove`, {})
+      .catch(console.error)
+  }, [id])
   const renameGroup = useCallback((name: string, newName: string) => {
-    if (name === newName) return
+    name = name.replace(/[.$]/g, '')
+    newName = newName.replace(/[.$]/g, '')
+    if (newName in groups) return
     setGroups(groups => {
       groups[newName] = {...groups[name], name: newName}
       delete groups[name]
-      return groups
+      return {...groups}
     })
-  }, [setGroups])
+    postFetchJson(`/api/${fixedEncodeURIComponent(id)}/group/${fixedEncodeURIComponent(name)}/rename`, {
+      newName
+    } as GroupRenameBody)
+      .catch(console.error)
+  }, [groups, id])
 
-  const setFactories = useCallback((name: string, factories: string[], type: 'inputs'|'intermediates'|'exports'|'malls') => {
+  const setFactories = useCallback((name: string, factories: string[], type: 'exports'|'malls') => {
+    name = name.replace(/[.$]/g, '')
     setGroups(groups => {
       groups[name] = {...groups[name], [type]: factories}
-      return groups
+      return {...groups}
     })
-  }, [setGroups])
+    postFetchJson(`/api/${fixedEncodeURIComponent(id)}/group/${fixedEncodeURIComponent(name)}/factories`, {
+      type,
+      factories
+    } as GroupSetFactoryArrayBody)
+      .catch(console.error)
+  }, [id])
   const getInputType = useCallback((uid: string) => {
     if (basicValues.includes(uid)) return 'base'
     else if (exportedFactories.has(uid)) return 'produced'
@@ -133,7 +195,7 @@ export const GroupProvider: FC<Props> = ({children, initial}) => {
     setGroups(value.groups)
     setBasicValues(value.basicValues)
     setExcludedSuggestions(value.excludedSuggestions)
-  }, [setBasicValues, setExcludedSuggestions, setGroups])
+  }, [])
 
   const value: GroupContextType = useMemo(() => ({
     doNotSuggest,

components/home/FactorySelect/FactorySelect.tsx

@@ -25,6 +25,7 @@ const FactorySelectBase: FC<Props> = ({id, factories, onSetFactories}) => {
 
   return <Select
     id={id}
+    instanceId={id}
     value={state}
     components={{
       MultiValueLabel: ({data, innerProps}) => (

next.config.js

@@ -10,6 +10,9 @@ const nextConfig = {
     MONGO_DB: envVar.get('MONGO_DB').required().asString(),
     MONGO_USER: envVar.get('MONGO_USER').required().asString(),
     MONGO_PASS: envVar.get('MONGO_PASS').required().asString()
+  },
+  publicRuntimeConfig: {
+    TENANT_TYPE: envVar.get('TENANT_TYPE').asString()
   }
 }
 

package.json

@@ -12,6 +12,7 @@
     "classnames": "^2.3.1",
     "deepcopy": "^2.1.0",
     "env-var": "^7.1.1",
+    "jsonschema": "^1.4.1",
     "mongodb": "^4.8.1",
     "next": "12.2.4",
     "next-superjson-plugin": "^0.3.0",
@@ -31,6 +32,7 @@
     "@types/seedrandom": "^3.0.2",
     "eslint": "8.21.0",
     "eslint-config-next": "12.2.4",
+    "json-schema-to-typescript": "^11.0.2",
     "typescript": "4.7.4"
   }
 }

pages/api/[id]/factories.ts

@@ -0,0 +1,17 @@
+import {nextHandler} from "../../../src/utils/errors";
+import {validate} from "../../../src/validation";
+import {IdParam, SetFactoryArrayBody} from "../../../src/types/ApiSchemas";
+import {setFactories} from "../../../src/database/groups";
+import {waitForInitSchemas} from "../../../src/validation/schemas";
+
+const handler = nextHandler(async (req, res) => {
+  if (req.method !== 'POST') throw new Error('Invalid method')
+  await waitForInitSchemas.resolve()
+  const { transformed: params } = validate<IdParam>(req.query, '/IdParam')
+  const { transformed: body } = validate<SetFactoryArrayBody>(req.body, '/SetFactoryArrayBody')
+
+  const success = await setFactories(params.id, body.type, body.factories)
+  res.json({ success })
+})
+
+export default handler

pages/api/[id]/group/[name]/add.ts

@@ -0,0 +1,16 @@
+import {nextHandler} from "../../../../../src/utils/errors";
+import {validate} from "../../../../../src/validation";
+import {GroupIdParam} from "../../../../../src/types/ApiSchemas";
+import {addGroup} from "../../../../../src/database/groups";
+import {waitForInitSchemas} from "../../../../../src/validation/schemas";
+
+const handler = nextHandler(async (req, res) => {
+  if (req.method !== 'POST') throw new Error('Invalid method')
+  await waitForInitSchemas.resolve()
+  const { transformed: params } = validate<GroupIdParam>(req.query, '/GroupIdParam')
+
+  const success = await addGroup(params.id, params.name)
+  res.json({ success })
+})
+
+export default handler

pages/api/[id]/group/[name]/factories.ts

@@ -0,0 +1,17 @@
+import {nextHandler} from "../../../../../src/utils/errors";
+import {validate} from "../../../../../src/validation";
+import {GroupIdParam, GroupSetFactoryArrayBody} from "../../../../../src/types/ApiSchemas";
+import {setFactoriesOfGroup} from "../../../../../src/database/groups";
+import {waitForInitSchemas} from "../../../../../src/validation/schemas";
+
+const handler = nextHandler(async (req, res) => {
+  if (req.method !== 'POST') throw new Error('Invalid method')
+  await waitForInitSchemas.resolve()
+  const { transformed: params } = validate<GroupIdParam>(req.query, '/GroupIdParam')
+  const { transformed: body } = validate<GroupSetFactoryArrayBody>(req.body, '/GroupSetFactoryArrayBody')
+
+  const success = await setFactoriesOfGroup(params.id, params.name, body.type, body.factories)
+  res.json({ success })
+})
+
+export default handler

pages/api/[id]/group/[name]/remove.ts

@@ -0,0 +1,16 @@
+import {nextHandler} from "../../../../../src/utils/errors";
+import {validate} from "../../../../../src/validation";
+import {GroupIdParam} from "../../../../../src/types/ApiSchemas";
+import {removeGroup} from "../../../../../src/database/groups";
+import {waitForInitSchemas} from "../../../../../src/validation/schemas";
+
+const handler = nextHandler(async (req, res) => {
+  if (req.method !== 'POST') throw new Error('Invalid method')
+  await waitForInitSchemas.resolve()
+  const { transformed: params } = validate<GroupIdParam>(req.query, '/GroupIdParam')
+
+  const success = await removeGroup(params.id, params.name)
+  res.json({ success })
+})
+
+export default handler

pages/api/[id]/group/[name]/rename.ts

@@ -0,0 +1,17 @@
+import {nextHandler} from "../../../../../src/utils/errors";
+import {validate} from "../../../../../src/validation";
+import {GroupIdParam, GroupRenameBody} from "../../../../../src/types/ApiSchemas";
+import {renameGroup} from "../../../../../src/database/groups";
+import {waitForInitSchemas} from "../../../../../src/validation/schemas";
+
+const handler = nextHandler(async (req, res) => {
+  if (req.method !== 'POST') throw new Error('Invalid method')
+  await waitForInitSchemas.resolve()
+  const { transformed: params } = validate<GroupIdParam>(req.query, '/GroupIdParam')
+  const { transformed: body } = validate<GroupRenameBody>(req.body, '/GroupRenameBody')
+
+  const success = await renameGroup(params.id, params.name, body.newName)
+  res.json({ success })
+})
+
+export default handler

pages/api/dev/schemas.ts

@@ -0,0 +1,15 @@
+import {GroupData, setGroups} from "../../../src/database/groups";
+import {NetworkError, nextHandler} from "../../../src/utils/errors";
+import getConfig from "next/config";
+import {addSchemas, waitForInitSchemas} from "../../../src/validation/schemas";
+
+const {publicRuntimeConfig: {TENANT_TYPE}} = getConfig()
+
+const handler = nextHandler(async (req, res) => {
+  if (req.method !== 'GET') throw new NetworkError('Invalid method')
+  if (TENANT_TYPE !== 'local') throw new NetworkError('Not allowed', undefined, 400)
+  await waitForInitSchemas.resolve()
+  res.json({ success: true })
+})
+
+export default handler

pages/api/submit.ts

@@ -1,12 +1,14 @@
-import {NextApiHandler} from "next";
 import {GroupData, setGroups} from "../../src/database/groups";
+import {nextHandler} from "../../src/utils/errors";
+import {waitForInitSchemas} from "../../src/validation/schemas";
 
-const handler: NextApiHandler = async (req, res) => {
+const handler = nextHandler(async (req, res) => {
   if (req.method !== 'POST') throw new Error('Invalid method')
+  await waitForInitSchemas.resolve()
   const data = req.body as GroupData
 
   const uuid = await setGroups(data)
   res.json({ uuid })
-}
+})
 
 export default handler

src/database/groups.ts

@@ -1,6 +1,6 @@
 import {database} from "./start";
 import {Dict, Group} from "../types";
-import {Filter, ObjectId, WithId} from "mongodb";
+import {Filter, ObjectId} from "mongodb";
 
 export interface GroupData {
   groups: Dict<Group>,
@@ -8,7 +8,7 @@ export interface GroupData {
   base: string[]
 }
 
-type InsertMeta<T> = T & {
+export type InsertMeta<T> = T & {
   createdOn: Date,
   modifiedOn: Date,
   accessedOn: Date
@@ -16,8 +16,8 @@ type InsertMeta<T> = T & {
 
 type GroupFilter = Filter<InsertMeta<GroupData>>
 
-export async function setGroups(data: GroupData) {
+export async function setGroups(data: GroupData): Promise<string|undefined> {
-  const collection = (await database.resolve())?.collection<InsertMeta<GroupData>>('setups')
+  const collection = (await database.resolve())?.collection('setups')
   if (!collection) return
   const result = await collection.insertOne({
     ...data,
@@ -29,16 +29,82 @@ export async function setGroups(data: GroupData) {
   return result.insertedId.toString()
 }
 
+function getUuid(uuid: string): GroupFilter {
+  return {
+    _id: new ObjectId(uuid)
+  }
+}
+
+export async function setFactories(uuid: string, type: 'ignored'|'base', factories: string[]): Promise<boolean> {
+  const collection = (await database.resolve())?.collection('setups')
+  if (!collection) return false
+  collection.updateOne(getUuid(uuid), {$set: {[type]: factories} as never})
+  return true
+}
+
 
 export async function getGroup(uuid: string) {
-  const collection = (await database.resolve())?.collection<InsertMeta<GroupData>>('setups')
+  const collection = (await database.resolve())?.collection('setups')
   if (!collection) return
-  console.log(uuid)
+  const data = (await collection.findOne(getUuid(uuid))) ?? undefined
-  const data = (await collection.findOne({
-    _id: new ObjectId(uuid)
-  } as GroupFilter)) ?? undefined
   if (data) {
-    await collection.updateOne({_id: new ObjectId(uuid)}, { $set: {accessedOn: new Date()}})
+    await collection.updateOne(getUuid(uuid), { $set: {accessedOn: new Date()}})
   }
   return data
 }
+
+export async function renameGroup(uuid: string, oldName: string, newName: string): Promise<boolean> {
+  oldName = oldName.replace(/[.$]/g, '')
+  newName = newName.replace(/[.$]/g, '')
+  const data = await getGroup(uuid)
+  if (data?.groups && !(newName in data.groups)) {
+    const collection = (await database.resolve())?.collection('setups')
+    console.log("fere", `groups.${oldName}`, `groups.${newName}`)
+    if (!collection) return false
+    await collection.updateOne(getUuid(uuid), { $set: {
+        [`groups.${oldName}.name`]: newName
+      } as never})
+    await collection.updateOne(getUuid(uuid), { $rename: {
+        [`groups.${oldName}`]: `groups.${newName}`
+      }})
+    return true
+  }
+  return false
+}
+
+export async function addGroup(uuid: string, name: string): Promise<boolean> {
+  name = name.replace(/[.$]/g, '')
+  const data = await getGroup(uuid)
+  if (data?.groups && !(name in data.groups)) {
+    const collection = (await database.resolve())?.collection('setups')
+    if (!collection) return false
+    await collection.updateOne(getUuid(uuid), {$set: {[`groups.${name}`]: {name, exports: [], malls: []} as never}})
+    return true
+  }
+  return false
+}
+
+export async function removeGroup(uuid: string, name: string): Promise<boolean> {
+  name = name.replace(/[.$]/g, '')
+  const data = await getGroup(uuid)
+  if (data?.groups && name in data.groups) {
+    const collection = (await database.resolve())?.collection('setups')
+    if (!collection) return false
+    console.log(`groups.${name}`)
+    await collection.updateOne(getUuid(uuid), {$unset: {[`groups.${name}`]: ""}})
+    return true
+  }
+  return false
+}
+
+export async function setFactoriesOfGroup(uuid: string, name: string, type: 'exports'|'malls', factories: string[]): Promise<boolean> {
+  name = name.replace(/[.$]/g, '')
+  const data = await getGroup(uuid)
+  if (data?.groups && (name in data.groups)) {
+    const collection = (await database.resolve())?.collection('setups')
+    if (!collection) return false
+    await collection.updateOne(getUuid(uuid), {$set: {[`groups.${name}.${type}`]: factories} as never})
+    return true
+  }
+  return false
+}

src/database/start.ts

@@ -1,6 +1,7 @@
-import {Db, MongoClient} from 'mongodb'
+import {Collection, Db, MongoClient} from 'mongodb'
 import getConfig from 'next/config'
 import {Resolvable} from "../utils/Resolvable";
+import {GroupData, InsertMeta} from "./groups";
 
 const { serverRuntimeConfig: {
   MONGO_URL,
@@ -9,12 +10,14 @@ const { serverRuntimeConfig: {
   MONGO_DB
 } } = getConfig()
 
-async function getDatabase(): Promise<Db | undefined> {
+async function getDatabase() {
   const url = `mongodb://${MONGO_USER ? `${MONGO_USER}:${MONGO_PASS ?? ''}@` : ''}${MONGO_URL}`;
   const client = new MongoClient(url);
   await client.connect();
   console.log('Connected successfully to server')
-  return client.db(MONGO_DB)
+  return client.db(MONGO_DB) as unknown as (Omit<Db, 'collection'> & {
+    collection : (_: 'setups') => Collection<InsertMeta<GroupData>>
+  })
 }
 
 export const database = new Resolvable(getDatabase)

src/next-types.d.ts

@@ -11,12 +11,12 @@ declare module 'next/config' {
   }
 
   export interface PublicRuntimeConfig {
+    TENANT_TYPE?: string
   }
 
   const getConfig: () => {
     serverRuntimeConfig: ServerRuntimeConfig,
     publicRuntimeConfig: PublicRuntimeConfig
   }
-  //export const serConfig = () =>
   export default getConfig
 }

src/types/ApiSchemas.ts

@@ -0,0 +1,25 @@
+/* tslint:disable */
+/**
+ * This file was automatically generated by json-schema-to-typescript.
+ * DO NOT MODIFY IT BY HAND. Instead, modify the source JSONSchema file,
+ * and run json-schema-to-typescript to regenerate this file.
+ */
+
+export interface GroupRenameBody {
+  newName: string
+}
+export interface GroupSetFactoryArrayBody {
+  type: 'exports' | 'malls'
+  factories: string[]
+}
+export interface GroupIdParam {
+  id: string
+  name: string
+}
+export interface SetFactoryArrayBody {
+  type: 'ignored' | 'base'
+  factories: string[]
+}
+export interface IdParam {
+  id: string
+}

src/types/ApiSchemasFrontend.ts

@@ -0,0 +1,30 @@
+/* tslint:disable */
+/**
+ * This file was automatically generated by json-schema-to-typescript.
+ * DO NOT MODIFY IT BY HAND. Instead, modify the source JSONSchema file,
+ * and run json-schema-to-typescript to regenerate this file.
+ */
+
+export interface GroupRenameBody {
+  newName: string
+  [k: string]: unknown
+}
+export interface GroupSetFactoryArrayBody {
+  type: 'exports' | 'malls'
+  factories: string[]
+  [k: string]: unknown
+}
+export interface GroupIdParam {
+  id: string
+  name: string
+  [k: string]: unknown
+}
+export interface SetFactoryArrayBody {
+  type: 'ignored' | 'base'
+  factories: string[]
+  [k: string]: unknown
+}
+export interface IdParam {
+  id: string
+  [k: string]: unknown
+}

src/types/FrontendApi.ts

@@ -0,0 +1,7 @@
+import {ValidationError} from "jsonschema";
+
+export interface ErrorMessage {
+  message: string // Human readable error message
+  details?: string | string[] // Stacktrace, details, extra information...
+  validation?: ValidationError[]
+}

src/utils/errors.ts

@@ -0,0 +1,36 @@
+import { ErrorMessage } from '../types/FrontendApi'
+import {NextApiHandler, NextApiRequest, NextApiResponse} from 'next'
+import { logger } from './logger'
+import {NextFetchEvent, NextMiddleware, NextRequest} from "next/server";
+
+export class NetworkError extends Error {
+  public content?: ErrorMessage
+
+  constructor(
+    content?: ErrorMessage | string,
+    public throwingError?: unknown,
+    public statusCode = 500
+  ) {
+    super((typeof content === 'string' ? content : content?.message) ?? 'NetworkError')
+    this.name = 'NetworkError'
+    this.content = typeof content === 'string' ? { message: content } : content
+  }
+}
+
+export function nextHandler(fn: NextApiHandler): NextApiHandler {
+  return async (req: NextApiRequest, res: NextApiResponse) => {
+    try {
+      await fn(req, res)
+    } catch (err) {
+      if (err instanceof NetworkError) {
+        const ntwErr = err as NetworkError
+        if (ntwErr.throwingError) logger.error(ntwErr.throwingError)
+        res.status(ntwErr.statusCode)
+        res.json(ntwErr.content ?? { message: 'An error occurred!' })
+      } else {
+        logger.error(err)
+        res.status(500).json({ message: 'An error occurred!' })
+      }
+    }
+  }
+}

src/utils/logger.ts

@@ -0,0 +1,7 @@
+export const logger = {
+  verbose: console.log,
+  debug: console.log,
+  info: console.info,
+  warn: console.warn,
+  error: console.error
+}

src/validation/defaults.ts

@@ -0,0 +1,142 @@
+import { JSONSchema } from 'json-schema-to-typescript'
+
+function cloneJSON<T>(source: T) {
+  return JSON.parse(JSON.stringify(source)) as T
+}
+export function isObject(item: unknown): item is Record<string, unknown> {
+  return typeof item === 'object' && item !== null && item.toString() === {}.toString()
+}
+
+export function merge<T extends Record<string, unknown>, U extends Record<string, unknown>>(
+  target: T,
+  source: U
+): T & U {
+  const result = cloneJSON(target) as T & U
+
+  for (const key in source) {
+    // eslint-disable-next-line no-prototype-builtins
+    if (source.hasOwnProperty(key)) {
+      const tk = result[key]
+      const sk = source[key]
+      if (isObject(tk) && isObject(sk)) {
+        result[key] = merge(tk, sk)
+      } else {
+        // eslint-disable-next-line @typescript-eslint/ban-ts-comment
+        // @ts-ignore
+        result[key] = source[key]
+      }
+    }
+  }
+  return result
+}
+
+function getLocalRef(path: string, definitions: JSONSchema['definitions']) {
+  const pathSplit = path.replace(/^#\/definitions\//, '').split('/')
+
+  const find = (p: string[], root: JSONSchema['definitions']): JSONSchema => {
+    const key = p.shift()
+    if (!root || !key || !root[key]) {
+      return {}
+    } else if (!p.length) {
+      return root[key]
+    }
+    return find(p, root[key] as JSONSchema['definitions'])
+  }
+
+  const result = find(pathSplit, definitions)
+
+  if (!isObject(result)) {
+    return result
+  }
+  return cloneJSON(result)
+}
+
+function mergeAllOf(
+  allOfList: Exclude<JSONSchema['allOf'], undefined>,
+  definitions: JSONSchema['definitions']
+) {
+  const length = allOfList.length
+  let index = -1
+  let result = {}
+
+  while (++index < length) {
+    let item = allOfList[index]
+
+    item = typeof item.$ref !== 'undefined' ? getLocalRef(item.$ref, definitions) : item
+
+    result = merge(result, item as Record<string, unknown>)
+  }
+
+  return result
+}
+
+function defaults(schema: JSONSchema, definitions: JSONSchema['definitions']): unknown {
+  if (typeof schema.default !== 'undefined') {
+    return schema.default
+  } else if (typeof schema.allOf !== 'undefined') {
+    const mergedItem = mergeAllOf(schema.allOf, definitions)
+    return defaults(mergedItem, definitions)
+  } else if (typeof schema.$ref !== 'undefined') {
+    const reference = getLocalRef(schema.$ref, definitions)
+    return defaults(reference, definitions)
+  } else if (schema.type === 'object') {
+    if (!schema.properties) {
+      return {}
+    }
+    const result: Record<string, unknown> = {}
+    for (const key in schema.properties) {
+      if (key in schema.properties) {
+        result[key] = defaults(schema.properties[key], definitions)
+        if (typeof result[key] === 'undefined') {
+          delete result[key]
+        }
+      }
+    }
+    return result
+  } else if (schema.type === 'array') {
+    if (!schema.items) {
+      return []
+    }
+
+    // minimum item count
+    const ct = schema.minItems || 0
+    // tuple-typed arrays
+    if (schema.items instanceof Array) {
+      const values = schema.items.map(item => defaults(item, definitions))
+      // remove undefined items at the end (unless required by minItems)
+      for (let i = values.length - 1; i >= 0; i--) {
+        if (typeof values[i] !== 'undefined') {
+          break
+        }
+        if (i + 1 > ct) {
+          values.pop()
+        }
+      }
+      return values
+    }
+    // object-typed arrays
+    const value = defaults(schema.items, definitions)
+    if (typeof value === 'undefined') {
+      return []
+    }
+    const values: unknown[] = []
+    for (let i = 0; i < Math.max(1, ct); i++) {
+      values.push(cloneJSON(value))
+    }
+    return values
+  }
+  return undefined
+}
+
+export function getDefaults(
+  schema: JSONSchema,
+  definitions?: JSONSchema['definitions'] | undefined
+): unknown {
+  if (typeof definitions === 'undefined') {
+    definitions = schema.definitions || {}
+  } else if (isObject(schema.definitions)) {
+    definitions = merge(definitions, schema.definitions)
+  }
+
+  return defaults(cloneJSON(schema), definitions)
+}

src/validation/index.ts

@@ -0,0 +1,113 @@
+import { Validator } from 'jsonschema'
+import { getDefaults, isObject, merge } from './defaults'
+import { TransformedValidatorResult, ValidatorOptions } from './types'
+import { transformInstance } from './transform'
+import { compile, JSONSchema } from 'json-schema-to-typescript'
+import * as fs from 'fs/promises'
+import { join } from 'path'
+import { NetworkError } from '../utils/errors'
+import getConfig from "next/config";
+
+const {publicRuntimeConfig: {TENANT_TYPE}} = getConfig()
+
+const validatorStorage = new Validator()
+
+export async function addSchema(schemas: JSONSchema[]) {
+  if (TENANT_TYPE === 'local') {
+    const fileName = join('./src/types/ApiSchemas.ts')
+    const fileNameFrontend = join('./src/types/ApiSchemasFrontend.ts')
+    const style = await fs.readFile('./.prettierrc.json', 'utf8').then(JSON.parse)
+    let data = ''
+    let dataFrontend = ''
+    for (const schema of schemas) {
+      if (!schema.id) throw new SyntaxError('Id of schema has to be defined!')
+      validatorStorage.addSchema(schema)
+      // compile schema to interface
+      let entity = await compile(schema, schema.id, {
+        style,
+        bannerComment: data === '' ? undefined : '\n\n\n'
+      })
+      entity = entity.replace(/^( {2})+\[k: string]: unknown\n/gm, '')
+      dataFrontend += entity
+      // remove ? from defaulted properties
+      const defaults = getDefaults(schema)
+      if (isObject(defaults)) {
+        iterObject(defaults, (key, depth) => {
+          entity = entity.replace(
+            RegExp(` {${2 * depth + 2}}${key}\\?`, 'gm'),
+            ' '.repeat(2 * depth + 2) + key
+          )
+        })
+      }
+      // add interface to others
+      data += entity
+    }
+    const current = await fs.readFile(fileName, 'utf8').catch(() => undefined)
+    if (current !== data) {
+      await fs.writeFile(fileName, data)
+      await fs.writeFile(fileNameFrontend, dataFrontend)
+    }
+  } else {
+    for (const schema of schemas) {
+      if (!schema.id) throw new SyntaxError('Id of schema has to be defined!')
+      validatorStorage.addSchema(schema)
+    }
+  }
+}
+
+export function validate<T = Record<string, unknown>>(
+  instance: Record<string, unknown>,
+  schemaName: string,
+  options?: ValidatorOptions
+): TransformedValidatorResult<T> {
+  const schema = validatorStorage.schemas[schemaName] as JSONSchema | undefined
+  if (!schema) throw new SyntaxError(`Schema '${schemaName}' not implemented!`)
+  const defaulted =
+    options?.applyDefaults !== false ? mergeDefault(getDefaults(schema), instance) : instance
+  const transformed =
+    options?.transform !== false ? transformInstance(defaulted, schema) : defaulted
+  const result = validatorStorage.validate(
+    transformed,
+    schema,
+    options
+  ) as TransformedValidatorResult<T>
+  if (result.errors.length) {
+    throw new NetworkError(
+      {
+        message: 'Validation error',
+        validation: result.errors
+      },
+      undefined,
+      400
+    )
+  }
+  result.transformed = transformed as T
+  return result
+}
+
+export function applyDefaults<T>(schemaName: string, instance: Partial<T>): T {
+  const schema = validatorStorage.schemas[schemaName] as JSONSchema | undefined
+  if (!schema) throw new SyntaxError(`Schema '${schemaName}' not implemented!`)
+  return mergeDefault(getDefaults(schema), instance) as T
+}
+
+function mergeDefault(target: unknown, source: unknown) {
+  return isObject(target) && isObject(source) ? merge(target, source) : source
+}
+
+function iterObject(
+  object: Record<string, unknown>,
+  cb: (key: string, depth: number, value: unknown) => void
+) {
+  function iter(o: Record<string, unknown>, d: number) {
+    Object.keys(o).forEach(k => {
+      const next = o[k]
+      if (isObject(next)) {
+        iter(next as Record<string, unknown>, d + 1)
+      } else {
+        cb(k, d, next)
+      }
+    })
+  }
+  iter(object, 0)
+}

src/validation/schemas.ts

@@ -0,0 +1,54 @@
+import { addSchema } from './index'
+import { Resolvable } from '../utils/Resolvable'
+
+export function addSchemas() {
+  return addSchema([
+    {
+      id: '/GroupRenameBody',
+      type: 'object',
+      required: ['newName'],
+      properties: {
+        newName: { type: 'string', minLength: 1 }
+      }
+    },
+    {
+      id: '/GroupSetFactoryArrayBody',
+      type: 'object',
+      required: ['type', 'factories'],
+      properties: {
+        type: {type: 'string', enum: ['exports', 'malls']},
+        factories: {type: 'array', items: {type: 'string', minLength: 3}}
+      },
+    },
+    {
+      id: 'GroupIdParam',
+      type: 'object',
+      required: ['id', 'name'],
+      properties: {
+        id: { type: 'string', minLength: 24, maxLength: 24 },
+        name: { type: 'string', minLength: 1 }
+      }
+    },
+    {
+      id: '/SetFactoryArrayBody',
+      type: 'object',
+      required: ['type', 'factories'],
+      properties: {
+        type: {type: 'string', enum: ['ignored', 'base']},
+        factories: {type: 'array', items: {type: 'string', minLength: 3}}
+      },
+    },
+    {
+      id: 'IdParam',
+      type: 'object',
+      required: ['id'],
+      properties: {
+        id: { type: 'string', minLength: 24, maxLength: 24 },
+      }
+    }
+  ])
+}
+
+export const waitForInitSchemas = new Resolvable(() => {
+  return addSchemas()
+})

src/validation/transform.ts

@@ -0,0 +1,72 @@
+import { Schema, validate, ValidationError } from 'jsonschema'
+import deepcopy from 'deepcopy'
+import { JSONSchema } from 'json-schema-to-typescript'
+
+const types: Record<
+  string,
+  {
+    test: (_: unknown) => boolean
+    cast: (_: unknown) => unknown
+    redo?: boolean
+  }
+> = {
+  integer: {
+    test: val => !isNaN(val as number),
+    cast: val => parseInt(`${val}`, 10)
+  },
+  number: {
+    test: val => !isNaN(val as number),
+    cast: val => parseFloat(`${val}`)
+  },
+  boolean: {
+    test: val => val === true || val === false,
+    cast: val => val === 'true' || val === '1'
+  },
+  array: {
+    test: Array.isArray,
+    cast: val => `${val}`.split(',').map(x => x.trim()),
+    redo: true
+  }
+}
+
+function set(obj: Record<string, unknown>, is: (string | number)[], value: unknown): void {
+  if (is.length === 1 && value !== undefined) {
+    obj[is[0]] = value
+  } else {
+    set(obj[is[0]] as Record<string, unknown>, is.slice(1), value)
+  }
+}
+
+function get(obj: Record<string, unknown>, is: (string | number)[]): unknown {
+  if (is.length === 0) {
+    return obj
+  }
+  return get(obj[is[0]] as Record<string, unknown>, is.slice(1))
+}
+
+export function transformInstance(instance: unknown, schema: JSONSchema): unknown {
+  const errors = validate(instance, schema).errors
+
+  const BASE_NAME = 'instance'
+  const carrier = {
+    [BASE_NAME]: deepcopy(instance)
+  }
+
+  const shouldRedo = errors
+    .filter(error => error.name === 'type')
+    .filter(error => typeof error.schema !== 'string' && `${error.schema.type}` in types)
+    .map((error: ValidationError & { schema: Schema }) => {
+      const type = types[`${error.schema.type}`]
+      const path = [BASE_NAME, ...error.path]
+      const val = type.cast(get(carrier, path))
+
+      if (type.test(val)) {
+        set(carrier, path, val)
+      }
+      return type.redo
+    })
+
+  return shouldRedo.some(x => x)
+    ? transformInstance(carrier[BASE_NAME], schema)
+    : carrier[BASE_NAME]
+}

src/validation/types.ts

@@ -0,0 +1,10 @@
+import { Options, ValidatorResult } from 'jsonschema'
+
+export interface ValidatorOptions extends Options {
+  applyDefaults?: boolean
+  transform?: boolean
+}
+
+export interface TransformedValidatorResult<T> extends ValidatorResult {
+  transformed: T
+}