feat: Add ability for users to requests using the subfields values (#477)

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Avior <github@avior.me>

.bruno/bruno.json

@@ -0,0 +1,8 @@
+{
+  "version": "1",
+  "name": "TCGdex",
+  "type": "collection",
+  "presets": {
+    "requestType": "http"
+  }
+}

.bruno/cards/get-cards-list.bru

@@ -0,0 +1,28 @@
+meta {
+  name: Get the cards list
+  type: http
+  seq: 1
+}
+
+get {
+  url: {{BASE_URL}}/v2/en/cards?sort:field=name&sort:order=DESC&pagination:page=1&pagination:itemsPerPage=4
+  body: none
+  auth: none
+}
+
+query {
+  sort:field: name
+  sort:order: DESC
+  pagination:page: 1
+  pagination:itemsPerPage: 4
+  ~name: furret
+}
+
+assert {
+  res.status: eq 200
+  res.body.length: eq 4
+}
+
+docs {
+  Fully describe the card list request, it also has every parameters it can
+}

.bruno/cards/get-one-card.bru

@@ -0,0 +1,16 @@
+meta {
+  name: Get one card
+  type: http
+  seq: 2
+}
+
+get {
+  url: {{BASE_URL}}/v2/en/cards/swsh3-136
+  body: none
+  auth: none
+}
+
+assert {
+  res.status: eq 200
+  res.body.id: eq swsh3-136
+}

.bruno/environments/Developpement.bru

@@ -0,0 +1,3 @@
+vars {
+  BASE_URL: http://localhost:3000
+}

.bruno/environments/Production.bru

@@ -0,0 +1,3 @@
+vars {
+  BASE_URL: https://api.tcgdex.net
+}

.bruno/fixes/466-invalid-sorting.bru

@@ -0,0 +1,22 @@
+meta {
+  name: 466 - Invalid Sorting
+  type: http
+  seq: 1
+}
+
+get {
+  url: {{BASE_URL}}/v2/en/sets/swsh8/53
+  body: none
+  auth: none
+}
+
+assert {
+  res.body.id: eq swsh8-53
+  res.status: eq 200
+}
+
+docs {
+  Validate the issue seen in
+
+  https://github.com/tcgdex/cards-database/issues/466
+}

.bruno/fixes/467-options-not-working-correctly.bru

@@ -0,0 +1,15 @@
+meta {
+  name: 467 - Validate that we can run OPTIONS
+  type: http
+  seq: 2
+}
+
+options {
+  url: {{BASE_URL}}/status
+  body: none
+  auth: none
+}
+
+assert {
+  res.status: eq 200
+}

.bruno/fixes/471-invalid-set-sorting.bru

@@ -0,0 +1,22 @@
+meta {
+  name: 471 - Invalid Set Sorting
+  type: http
+  seq: 3
+}
+
+get {
+  url: {{BASE_URL}}/v2/en/sets/swsh12/10
+  body: none
+  auth: none
+}
+
+assert {
+  res.body.id: eq swsh12-010
+  res.status: eq 200
+}
+
+docs {
+  Validate the issue seen in
+
+  https://github.com/tcgdex/cards-database/issues/471
+}

.bruno/fixes/474-queries-crashing-the-server.bru

@@ -0,0 +1,25 @@
+meta {
+  name: 474 - Queries crashing the server
+  type: http
+  seq: 2
+}
+
+get {
+  url: {{BASE_URL}}/v2/en/cards?legal.standard=true
+  body: none
+  auth: none
+}
+
+query {
+  legal.standard: true
+}
+
+assert {
+  res.status: eq 200
+}
+
+docs {
+  Validate the issue seen in
+  
+  https://github.com/tcgdex/cards-database/issues/474
+}

.bruno/fixes/475-ability-query-subfields.bru

@@ -0,0 +1,25 @@
+meta {
+  name: 475 - Ability to query subfileds
+  type: http
+  seq: 4
+}
+
+get {
+  url: {{BASE_URL}}/v2/en/cards?legal.standard=true
+  body: none
+  auth: none
+}
+
+query {
+  legal.standard: true
+}
+
+assert {
+  res.status: eq 200
+}
+
+docs {
+  Validate the issue seen in
+  
+  https://github.com/tcgdex/cards-database/issues/474
+}

.bruno/graphql.bru

@@ -0,0 +1,33 @@
+meta {
+  name: GraphQL API
+  type: graphql
+  seq: 1
+}
+
+post {
+  url: {{BASE_URL}}/v2/graphql
+  body: graphql
+  auth: none
+}
+
+body:graphql {
+  query Pouet {
+    cards {
+      id
+      localId
+      name
+      set {
+        id
+        name
+        serie {
+          id
+          name
+        }
+      }
+    }
+  }
+}
+
+assert {
+  res.status: eq 200
+}

.bruno/sets/get-a-list-of-sets.bru

@@ -0,0 +1,25 @@
+meta {
+  name: Get a list of sets
+  type: http
+  seq: 3
+}
+
+get {
+  url: {{BASE_URL}}/v2/en/sets?sort:field=name&sort:order=DESC&pagination:page=1&pagination:itemsPerPage=1&name=Dark
+  body: none
+  auth: none
+}
+
+query {
+  sort:field: name
+  sort:order: DESC
+  pagination:page: 1
+  pagination:itemsPerPage: 1
+  name: Dark
+}
+
+assert {
+  res.status: eq 200
+  res.body[0].id: eq swsh3
+  res.body.length: eq 1
+}

.bruno/sets/get-a-set.bru

@@ -0,0 +1,16 @@
+meta {
+  name: Get a set
+  type: http
+  seq: 2
+}
+
+get {
+  url: {{BASE_URL}}/v2/en/sets/swsh3
+  body: none
+  auth: none
+}
+
+assert {
+  res.status: eq 200
+  res.body.id: eq swsh3
+}

.bruno/sets/get-one-card-from-a-set.bru

@@ -0,0 +1,16 @@
+meta {
+  name: Get one card from a set
+  type: http
+  seq: 1
+}
+
+get {
+  url: {{BASE_URL}}/v2/en/sets/swsh3/136
+  body: none
+  auth: none
+}
+
+assert {
+  res.status: eq 200
+  res.body.id: eq swsh3-136
+}

.github/workflows/build.yml

@@ -15,7 +15,7 @@ jobs:
 
     steps:
     - name: Checkout
-      uses: actions/checkout@v3
+      uses: actions/checkout@v4
 
     - name: Docker meta
       id: meta

.github/workflows/conventionnal-commit.yml

@@ -5,8 +5,8 @@ jobs:
     name: Conventional PR
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
-      - uses: actions/setup-node@v3
+      - uses: actions/checkout@v4
+      - uses: actions/setup-node@v4
       - uses: beemojs/conventional-pr-action@v2
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

.github/workflows/test.yml

@@ -13,7 +13,7 @@ jobs:
 
     steps:
     - name: Checkout
-      uses: actions/checkout@v3
+      uses: actions/checkout@v4
 
 
     - name: Setup BunJS

data/Base/Base Set 2/Decks/Grass Chopper.ts

@@ -1,14 +0,0 @@
-import { Deck } from "../../../../interfaces"
-import Set from "../../Base Set 2"
-
-const deck: Deck = {
-	id: "td.base4.gc",
-	name: {
-		en: "Grass Chopper"
-	},
-	set: Set,
-	typesFocus: ["Fighting", "Grass"],
-	cards: []
-}
-
-export default deck

data/Base/Base Set 2/Decks/Hot Water.ts

@@ -1,14 +0,0 @@
-import { Deck } from "../../../../interfaces"
-import Set from "../../Base Set 2"
-
-const deck: Deck = {
-	id: "td.base4.hw",
-	name: {
-		en: "Hot Water"
-	},
-	set: Set,
-	typesFocus: ["Fire", "Water"],
-	cards: []
-}
-
-export default deck

data/Base/Base Set 2/Decks/Lightning Bug.ts

@@ -1,14 +0,0 @@
-import { Deck } from "../../../../interfaces"
-import Set from "../../Base Set 2"
-
-const deck: Deck = {
-	id: "td.base4.lg",
-	name: {
-		en: "Lightning Bug"
-	},
-	set: Set,
-	typesFocus: ["Lightning", "Grass"],
-	cards: []
-}
-
-export default deck

data/Base/Base Set 2/Decks/Psych Out.ts

@@ -1,14 +0,0 @@
-import { Deck } from "../../../../interfaces"
-import Set from "../../Base Set 2"
-
-const deck: Deck = {
-	id: "td.base4.po",
-	name: {
-		en: "Psych Out"
-	},
-	set: Set,
-	typesFocus: ["Psychic", "Water"],
-	cards: []
-}
-
-export default deck

data/Base/Base Set/decks/Blackout.ts

@@ -1,14 +0,0 @@
-import { Deck } from "../../../../interfaces"
-import Set from "../../Base Set"
-
-const deck: Deck = {
-	id: "td.base1.bl",
-	name: {
-		en: "Blackout"
-	},
-	set: Set,
-	typesFocus: ["Water", "Fighting"],
-	cards: []
-}
-
-export default deck

data/Base/Base Set/decks/Brushfire.ts

@@ -1,14 +0,0 @@
-import { Deck } from "../../../../interfaces"
-import Set from "../../Base Set"
-
-const deck: Deck = {
-	id: "td.base1.br",
-	name: {
-		en: "Brushfire"
-	},
-	set: Set,
-	typesFocus: ["Fire", "Grass"],
-	cards: []
-}
-
-export default deck

data/Base/Base Set/decks/Overgrowth.ts

@@ -1,14 +0,0 @@
-import { Deck } from "../../../../interfaces"
-import Set from "../../Base Set"
-
-const deck: Deck = {
-	id: "td.base1.ov",
-	name: {
-		en: "Overgrowth"
-	},
-	set: Set,
-	typesFocus: ["Water", "Grass"],
-	cards: []
-}
-
-export default deck

data/Base/Base Set/decks/Zap!.ts

@@ -1,14 +0,0 @@
-import { Deck } from "../../../../interfaces"
-import Set from "../../Base Set"
-
-const deck: Deck = {
-	id: "td.base1.za",
-	name: {
-		en: "Zap!"
-	},
-	set: Set,
-	typesFocus: ["Lightning", "Psychic"],
-	cards: []
-}
-
-export default deck

data/Base/Fossil/Decks/BodyGuard.ts

@@ -1,14 +0,0 @@
-import { Deck } from "../../../../interfaces"
-import Set from "../../Fossil"
-
-const deck: Deck = {
-	id: "td.base1.bd",
-	name: {
-		en: "BodyGuard"
-	},
-	set: Set,
-	typesFocus: ["Grass", "Fighting"],
-	cards: []
-}
-
-export default deck

data/Base/Fossil/Decks/LockDown.ts

@@ -1,14 +0,0 @@
-import { Deck } from "../../../../interfaces"
-import Set from "../../Base Set"
-
-const deck: Deck = {
-	id: "td.base1.ld",
-	name: {
-		en: "LockDown"
-	},
-	set: Set,
-	typesFocus: ["Fire", "Water"],
-	cards: []
-}
-
-export default deck

data/Base/Jungle/decks/Power Reserve.ts

@@ -1,14 +0,0 @@
-import { Deck } from "../../../../interfaces"
-import Set from "../../Jungle"
-
-const deck: Deck = {
-	id: "td.base2.pr",
-	name: {
-		en: "Power Reserve"
-	},
-	set: Set,
-	typesFocus: ["Psychic", "Grass"],
-	cards: []
-}
-
-export default deck

data/Base/Jungle/decks/Water Blast.ts

@@ -1,14 +0,0 @@
-import { Deck } from "../../../../interfaces"
-import Set from "../../Jungle"
-
-const deck: Deck = {
-	id: "td.base2.wb",
-	name: {
-		en: "Water Blast"
-	},
-	set: Set,
-	typesFocus: ["Water", "Fighting"],
-	cards: []
-}
-
-export default deck

data/Base/Team Rocket/decks/Devastation.ts

@@ -1,14 +0,0 @@
-import { Deck } from "../../../../interfaces"
-import Set from "../../Team Rocket"
-
-const deck: Deck = {
-	id: "td.base4.de",
-	name: {
-		en: "Devastation"
-	},
-	set: Set,
-	typesFocus: ["Grass", "Water"],
-	cards: []
-}
-
-export default deck

data/Base/Team Rocket/decks/Grass Chopper.ts

@@ -1,14 +0,0 @@
-import { Deck } from "../../../../interfaces"
-import Set from "../../Team Rocket"
-
-const deck: Deck = {
-	id: "td.base4.to",
-	name: {
-		en: "Trouble"
-	},
-	set: Set,
-	typesFocus: ["Psychic", "Grass"],
-	cards: []
-}
-
-export default deck

data/Black & White/Noble Victories/Decks/Fast Daze.ts

@@ -1,40 +0,0 @@
-import { Deck } from '../../../../interfaces'
-import Set from "../../Noble Victories"
-
-const deck: Deck = {
-	id: 'td.bw3.fd',
-	name: {
-		en: 'Fast Daze'
-	},
-	set: Set,
-	typesFocus: ['Fire', 'Grass'],
-	cards: [
-		{ id: 'bw3-12', variant: 'holo' },
-		'bw3-12',
-		{ id: 'bw3-11', quantity: 4 },
-		'bw3-3',
-		{ id: 'bw3-2', quantity: 2 },
-		{ id: 'bw3-1', quantity: 3 },
-		'bw3-5',
-		{ id: 'bw3-4', quantity: 2 },
-		{ id: 'bw3-7', quantity: 2 },
-		{ id: 'bw3-6', quantity: 2 },
-		{ id: 'bw3-9', quantity: 3 },
-		'bw3-21',
-		{ id: 'bw3-21', quantity: 2 },
-		{ id: 'bw3-17', quantity: 2 },
-		{ id: 'bw3-16', quantity: 2 },
-		{ id: 'bw3-7', quantity: 2 },
-		{ id: 'bw1-93', quantity: 2 },
-		{ id: 'bw1-100', quantity: 2 },
-		{ id: 'bw2-91', quantity: 2 },
-		{ id: 'bw2-91', quantity: 2 },
-		'bw3-92',
-		{ id: 'bw1-99', quantity: 2 },
-		{ id: 'bw3-95', quantity: 2 },
-		{ id: 'bw1-105', quantity: 12 },
-		{ id: 'bw1-106', quantity: 6 }
-	]
-}
-
-export default deck

interfaces.d.ts

@@ -314,24 +314,3 @@ export interface Filter {
 		cards: Array<string>
 	}
 }
-
-export interface Deck {
-	id: `td.${string}.${string}`
-	set: Set
-	name: Languages
-	typesFocus: Array<Types>
-	cards: Array<{
-		/**
-		 * Card Global ID
-		 */
-		id: string
-		/**
-		 * Card quantity in the deck
-		 */
-		quantity?: number
-		/**
-		 * Card variant
-		 */
-		variant?: keyof Omit<variants, 'normal' | 'firstEdition'>
-	} | string>
-}

server/package.json

@@ -4,7 +4,7 @@
 	"main": "dist/index.js",
 	"scripts": {
 		"compile": "bun compiler/index.ts",
-		"dev": "bun --watch --hot src/index.ts",
+		"dev": "bun --watch src/index.ts",
 		"validate": "tsc --noEmit --project ./tsconfig.json",
 		"start": "bun src/index.ts"
 	},

server/src/V2/Components/Card.ts

@@ -69,7 +69,7 @@ export default class Card implements LocalCard {
 	}
 
 	public static findOne(lang: SupportedLanguages, query: Query<SDKCard>) {
-		const res = handleValidation(this.getAll(lang), query)
+		const res = handleSort(handleValidation(this.getAll(lang), query), query)
 		if (res.length === 0) {
 			return undefined
 		}

server/src/V2/endpoints/jsonEndpoints.ts

@@ -30,8 +30,8 @@ const endpointToField: Record<string, keyof SDKCard> = {
 }
 
 server
-	// Midleware that handle caching
-	.use(apicache.middleware('1 day', (req: Request) => req.method === 'GET', {}))
+	// Midleware that handle caching only in production and on GET requests
+	.use(apicache.middleware('1 day', (req: Request) => process.env.NODE_ENV === 'production' && req.method === 'GET', {}))
 
 	// .get('/cache/performance', (req, res) => {
 	// 	res.json(apicache.getPerformance())
@@ -186,23 +186,23 @@ server
 		let result: any | undefined
 		switch (endpoint) {
 			case 'cards':
-				result = Card.findOne(lang, { filters: { id }})?.full()
+				result = Card.findOne(lang, { filters: { id }, strict: true })?.full()
 				if (!result) {
-					result = Card.findOne(lang, { filters: { name: id }})?.full()
+					result = Card.findOne(lang, { filters: { name: id }, strict: true })?.full()
 				}
 				break
 
 			case 'sets':
-				result = Set.findOne(lang, { filters: { id }})?.full()
+				result = Set.findOne(lang, { filters: { id }, strict: true })?.full()
 				if (!result) {
-					result = Set.findOne(lang, {filters: { name: id }})?.full()
+					result = Set.findOne(lang, {filters: { name: id }, strict: true })?.full()
 				}
 				break
 
 			case 'series':
-				result = Serie.findOne(lang, { filters: { id }})?.full()
+				result = Serie.findOne(lang, { filters: { id }, strict: true })?.full()
 				if (!result) {
-					result = Serie.findOne(lang, { filters: { name: id }})?.full()
+					result = Serie.findOne(lang, { filters: { name: id }, strict: true })?.full()
 				}
 				break
 			default:
@@ -242,7 +242,7 @@ server
 		switch (endpoint) {
 			case 'sets':
 				result = Card
-					.findOne(lang, { filters: { localId: subid, set: id }})?.full()
+					.findOne(lang, { filters: { localId: subid, set: id }, strict: true})?.full()
 				break
 		}
 		if (!result) {

server/src/index.ts

@@ -8,21 +8,11 @@ const VERSION = 2
 // Init Express server
 const server = express()
 
-// Set CORS global headers
-server.use((_, res, next) => {
-	res
-		.setHeader('Access-Control-Allow-Origin', '*')
-		.setHeader('Access-Control-Allow-Methods', 'GET,POST,OPTIONS')
-		.setHeader('Access-Control-Allow-Headers', 'DNT,User-Agent,X-Requested-With,If-Modified-Since,Cache-Control,Content-Type,Range')
-		.setHeader('Access-Control-Expose-Headers', 'Content-Length,Content-Range')
-	next()
-})
-
 // Route logging / Error logging for debugging
 server.use((req, res, next) => {
 	const now = new Date()
 	//                   Date of request              User-Agent 32 first chars                                     request Method
-	let prefix = `\x1b[2m${now.toISOString()}\x1b[22m ${req.headers['user-agent']?.slice(0, 32).padEnd(32)} ${req.method.padEnd(7)}`
+	let prefix = `\x1b[2m${now.toISOString()}\x1b[22m ${req.headers['user-agent']?.slice(0, 32).padEnd(32)} ${req.method.toUpperCase().padEnd(7)}`
 
 	const url = new URL(req.url, `http://${req.headers.host}`)
 	const fullURL = url.toString()
@@ -51,6 +41,21 @@ server.use((req, res, next) => {
 	next()
 })
 
+// Set CORS global headers
+server.use((req, res, next) => {
+	res
+		.setHeader('Access-Control-Allow-Origin', '*')
+		.setHeader('Access-Control-Allow-Methods', 'GET,POST,OPTIONS')
+		.setHeader('Access-Control-Allow-Headers', 'DNT,User-Agent,X-Requested-With,If-Modified-Since,Cache-Control,Content-Type,Range')
+		.setHeader('Access-Control-Expose-Headers', 'Content-Length,Content-Range')
+
+	if (req.method.toUpperCase() === 'OPTIONS') {
+		res.status(200).send('ok')
+		return
+	}
+	next()
+})
+
 server.get('/', (_, res) => {
 	res.redirect('https://www.tcgdex.dev/?ref=api.tccgdex.net')
 })

server/src/interfaces.d.ts

@@ -28,6 +28,10 @@ export interface Query<T extends {} = {}> {
 	 */
 	filters?: Partial<{ [Key in keyof T]: T[Key] extends object ? string | number | Array<string | number> : T[Key] | Array<T[Key]> }>
 
+	/**
+	 * instead of filtering text search it will search using the full string
+	 */
+	strict?: boolean
 	/**
 	 * data sorting
 	 *

server/src/util.ts

@@ -1,4 +1,4 @@
-import { objectLoop } from '@dzeio/object-util'
+import { mustBeObject, objectLoop } from '@dzeio/object-util'
 import { SupportedLanguages } from '@tcgdex/sdk'
 import { Response } from 'express'
 import { Query } from './interfaces'
@@ -59,23 +59,35 @@ export function betterSorter(a: string, b: string) {
  *
  * @param validator the validation object
  * @param value the value to validate
+ * @param strict change how the results are fetched
  * @returns `true` if valid else `false`
  */
-export function validateItem(validator: any | Array<any>, value: any): boolean {
+export function validateItem(validator: any | Array<any>, value: any, strict: boolean = false): boolean {
+	// convert to number is possible
+	if (/^\d+$/.test(validator)) {
+		validator = parseInt(validator)
+	}
+
+	// do a comparaison with null values
+	if (isNull(value)) {
+		return isNull(validator)
+	}
+
 	if (typeof value === 'object') {
-		return objectLoop(value, (v) => {
+		// invert signal so that an early exit mean that a match was found!
+		return !objectLoop(value, (v) => {
 			// early exit to not infinitively loop through objects
 			if (typeof v === 'object') return true
 
-			// check for each childs
-			return validateItem(validator, v)
+			// check for each childs until one match
+			return !validateItem(validator, v, strict)
 		})
 	}
 
 	// loop to validate for an array
 	if (Array.isArray(validator)) {
 		for (const sub of validator) {
-			const res = validateItem(sub, value)
+			const res = validateItem(sub, value, strict)
 			if (res) {
 				return true
 			}
@@ -83,8 +95,12 @@ export function validateItem(validator: any | Array<any>, value: any): boolean {
 		return false
 	}
 	if (typeof validator === 'string') {
-		// run a string validation
-		return value.toString().toLowerCase().includes(validator.toLowerCase())
+		// run a strict string validation
+		if (strict) {
+			return value.toString().toLowerCase() === validator.toLowerCase()
+		} else {
+			return value.toString().toLowerCase().includes(validator.toLowerCase())
+		}
 	} else if (typeof validator === 'number') {
 		// run a number validation
 		if (typeof value === 'number') {
@@ -104,10 +120,16 @@ export function validateItem(validator: any | Array<any>, value: any): boolean {
  * @returns the sorted data
  */
 export function handleSort(data: Array<any>, query: Query<any>) {
-	const sort: Query<any>['sort'] = query.sort ?? {field: 'id', order: 'ASC'}
-	const field = sort.field
-	const order = sort.order ?? 'ASC'
+	// handle when data has no entries
+	if (data.length === 0) {
+		return data
+	}
+
+	const defaultSortPriority = ['releaseDate', 'localId', 'id']
+
 	const firstEntry = data[0]
+	const field = query.sort?.field ?? defaultSortPriority.find((it) => it in firstEntry) ?? 'id'
+	const order = query.sort?.order ?? 'ASC'
 
 	// early exit if the order is not correctly set
 	if (order !== 'ASC' && order !== 'DESC') {
@@ -116,22 +138,43 @@ export function handleSort(data: Array<any>, query: Query<any>) {
 	}
 
 	if (!(field in firstEntry)) {
+		console.warn('can\'t sort using the field', field)
 		return data
 	}
-	const sortType = typeof data[0][field]
-	if (sortType === 'number') {
-		if (order === 'ASC') {
-			return data.sort((a, b) => a[field] - b[field])
-		} else {
-			return data.sort((a, b) => b[field] - a[field])
-		}
-	} else {
-		if (order === 'ASC') {
-			return data.sort((a, b) => a[field] > b[field] ? 1 : -1)
-		} else {
-			return data.sort((a, b) => a[field] > b[field] ? -1 : 1)
-		}
+
+	return data.sort((a, b) => advSort(a[field], b[field], order))
+}
+
+/**
+ *
+ * @param order the base ordering
+ * @returns a function that is feed in the `sort` function
+ */
+const advSort = (a: string | number, b: string | number, order: 'ASC' | 'DESC' = 'ASC') => {
+	a = tryParse(a) ?? a
+	b = tryParse(b) ?? b
+
+	if (order === 'DESC') {
+		const tmp = a
+		a = b
+		b = tmp
 	}
+
+	if (typeof a === 'number' && typeof b === 'number') {
+		return a - b
+	}
+
+	return a.toString().localeCompare(b.toString())
+}
+
+function tryParse(value: string | number): number | null {
+	if (typeof value === 'number') {
+		return value
+	}
+	if (/^-?\d+$/.test(value)) {
+		return parseInt(value)
+	}
+	return null
 }
 
 /**
@@ -142,7 +185,7 @@ export function handleSort(data: Array<any>, query: Query<any>) {
  * @returns the data that is in the paginated query
  */
 export function handlePagination(data: Array<any>, query: Query<any>) {
-	if (!query.pagination) {
+	if (!query.pagination || data.length === 0) {
 		return data
 	}
 	const itemsPerPage = query.pagination.itemsPerPage ?? 100
@@ -168,7 +211,47 @@ export function handleValidation(data: Array<any>, query: Query) {
 		return data
 	}
 
-	return data.filter((v) => objectLoop(filters, (valueToValidate, key) => {
-		return validateItem(valueToValidate, v[key])
+	return data.filter((v) => objectLoop(filters, (valueToValidate, key: string) => {
+		let value: any
+		// handle subfields
+		if (key.includes('.')) {
+			value = objectGet(v, key.split('.'))
+		} else {
+			value = v[key]
+		}
+		return validateItem(valueToValidate, value, query.strict)
 	}))
 }
+
+/**
+ * go through an object to get a specific value
+ * @param obj the object to go through
+ * @param path the path to follow
+ * @returns the value or undefined
+ */
+function objectGet(obj: object, path: Array<string | number | symbol>): any | undefined {
+	mustBeObject(obj)
+	let pointer: object = obj;
+	for (let index = 0; index < path.length; index++) {
+		const key = path[index];
+		const nextIndex = index + 1;
+		if (!Object.prototype.hasOwnProperty.call(pointer, key) && nextIndex < path.length) {
+			return undefined
+		}
+		// if last index
+		if (nextIndex === path.length) {
+			return (pointer as any)[key]
+		}
+		// move pointer to new key
+		pointer = (pointer as any)[key]
+	}
+}
+
+/**
+ * validate that the value is null or undefined
+ * @param value the value the check
+ * @returns if the value is undefined or null or not
+ */
+function isNull(value: any): value is (undefined | null) {
+	return typeof value === 'undefined' || value === null
+}