feat(model): ✨ add new static method load to create ressources from partial entry

.gitignore

@@ -1,6 +1,8 @@
 # Directories
 docs
+tmp
+temp
 
 # Files
 .env
-*.sqlite
+*.sqlite*

.vscode/settings.json

@@ -0,0 +1,3 @@
+{
+	"conventionalCommits.scopes": ["model", "chore", "db"]
+}

deno.json

@@ -1,5 +1,10 @@
 {
 	"name": "@cohabit/ressources",
+	"version": "0.1.0",
+	"exports": {
+		".": "./mod.ts",
+		"./models": "./src/models/mod.ts"
+	},
 	"tasks": {
 		"start": "deno run --unstable-kv ./mod.ts"
 	},

mod.ts

@@ -0,0 +1,2 @@
+export * from '@models'
+export { Db } from '@db'

src/db/mod.ts

@@ -1,4 +1,12 @@
-import { Credential, Group, Machine, Ressource, Service, User } from '@models'
+import {
+	Credential,
+	Group,
+	Machine,
+	type Ressource,
+	Service,
+	User,
+} from '@models'
+import type { CredentialCategory } from '@models/credential.ts'
 
 //!TODO link ressources (get, list)
 //!TODO Purge unused ressources (delete)
@@ -26,7 +34,10 @@ export class Db {
 
 	get ressource() {
 		return {
-			credential: this.#ressourceStorage<Credential>('credential', Credential),
+			credential: this.#ressourceStorage<Credential<CredentialCategory>>(
+				'credential',
+				Credential,
+			),
 			group: this.#ressourceStorage<Group>('group', Group),
 			machine: this.#ressourceStorage<Machine>('machine', Machine),
 			service: this.#ressourceStorage<Service>('service', Service),
@@ -44,8 +55,9 @@ export class Db {
 			set: (ressources: T[]) => this.#set<T>(type, ressources),
 			delete: (ressources: Pick<T, 'uuid'>[]) =>
 				this.#delete<T>(type, ressources),
-			list: (filter: (ressource: T) => boolean = () => true) =>
-				this.#list<T>(type, Builder, filter),
+			list: (
+				filter: (ressource: T) => boolean | Promise<boolean> = () => true,
+			) => this.#list<T>(type, Builder, filter),
 		}
 	}
 
@@ -94,7 +106,7 @@ export class Db {
 	async *#list<T extends Ressource>(
 		type: RessourceType<T>,
 		Builder: RessourceBuilder<T>,
-		filter: (entry: T) => boolean,
+		filter: (entry: T) => boolean | Promise<boolean>,
 	): AsyncGenerator<T, void, void> {
 		const list = this.#kv.list<RessourceJson<T>>({
 			prefix: [this.prefix.ressource, type],
@@ -103,22 +115,23 @@ export class Db {
 			const value = entry.value
 			//@ts-expect-error Type union of Ressource types for Builder
 			const ressource = Builder.fromJSON(value) as T
-			if (filter(ressource)) {
+			if (await filter(ressource)) {
 				yield ressource
 			}
 		}
 	}
 }
 
-type RessourceType<T extends Ressource> = T extends Credential ? 'credential'
+type RessourceType<T extends Ressource> = T extends
+	Credential<CredentialCategory> ? 'credential'
 	: T extends Group ? 'group'
 	: T extends Machine ? 'machine'
 	: T extends Service ? 'service'
 	: T extends User ? 'user'
 	: never
 
-type RessourceBuilder<T extends Ressource> = T extends Credential
-	? typeof Credential
+type RessourceBuilder<T extends Ressource> = T extends
+	Credential<CredentialCategory> ? typeof Credential
 	: T extends Group ? typeof Group
 	: T extends Machine ? typeof Machine
 	: T extends Service ? typeof Service

src/models/src/credential.ts

@@ -1,27 +1,54 @@
-import { ToJson } from '@/types.ts'
+import type { Base64String, ToJson, UUID } from '@/types.ts'
 import { Ressource } from '@models/ressource.ts'
+import type { Ref } from '@models'
+import { Avatar } from '@/src/models/utils/avatar.ts'
 
-export class Credential extends Ressource {
-	static fromJSON(
-		json: ToJson<Credential>,
-	): Credential {
+export class Credential<T extends CredentialCategory> extends Ressource {
+	static fromJSON<T extends CredentialCategory>(
+		json: ToJson<Credential<T>>,
+	): Credential<T> {
 		return new Credential(json)
 	}
 
-	static create(
-		{ category, store, name }: Pick<Credential, 'category' | 'store' | 'name'>,
-	): Credential {
-		const { uuid, createdAt, updatedAt } = super.create({ name })
-		return new Credential({ uuid, createdAt, updatedAt, name, category, store })
+	static create<T extends CredentialCategory>(
+		{ category, store, name, avatar }: Pick<
+			Credential<T>,
+			'category' | 'store' | 'name' | 'avatar'
+		>,
+	): Credential<T> {
+		const { uuid, createdAt, updatedAt } = super.create({ name, avatar })
+		return new Credential({
+			uuid,
+			createdAt,
+			updatedAt,
+			name,
+			category,
+			store,
+			avatar,
+		})
 	}
 
-	#category: 'password' | 'ssh' | 'passkey'
-	#store: CredentialCategory<Credential['category']>
+	static load<T extends CredentialCategory>({
+		category,
+		store,
+		name,
+		avatar = Avatar.fromEmoji('🔑'),
+	}: {
+		name: Credential<T>['name']
+		category: T
+		store: Credential<T>['store']
+		avatar?: Credential<T>['avatar']
+	}): Credential<T> {
+		return this.create({ category, store, name, avatar })
+	}
+
+	#category: T
+	#store: Readonly<CredentialStore<T>>
 
 	private constructor(
 		{ category, store, ...props }:
-			& Pick<Credential, 'category' | 'store'>
-			& Pick<Ressource, 'name' | 'uuid' | 'createdAt' | 'updatedAt'>,
+			& Pick<Credential<T>, 'category' | 'store'>
+			& Pick<Ressource, 'name' | 'uuid' | 'avatar' | 'createdAt' | 'updatedAt'>,
 	) {
 		super(props)
 
@@ -43,14 +70,14 @@ export class Credential extends Ressource {
 	}
 
 	get store() {
-		return Object.freeze(this.#store)
+		return this.#store
 	}
 
-	update(
-		props: Partial<Omit<Credential, 'type' | 'uuid' | 'createdAt'>>,
-	): Credential {
+	update<T extends CredentialCategory>(
+		props: Partial<Omit<Credential<T>, 'type' | 'uuid' | 'createdAt'>>,
+	): Credential<T> {
 		const { updatedAt } = super.update(props)
-		const credential = new Credential({ ...this, ...props, updatedAt })
+		const credential = new Credential<T>({ ...this, ...props, updatedAt })
 		return credential
 	}
 
@@ -66,40 +93,55 @@ export class Credential extends Ressource {
 	toString(): string {
 		return `Credential (${JSON.stringify(this)})`
 	}
+
+	toRef(): Ref<Credential<T>> {
+		return super.toRef() as Ref<Credential<T>>
+	}
 }
 
-export interface Credential extends Ressource {
+export interface Credential<T extends CredentialCategory> extends Ressource {
 	type: 'credential'
-	category: 'password' | 'ssh' | 'passkey'
-	store: Readonly<CredentialCategory<Credential['category']>>
+	category: T
+	store: Readonly<CredentialStore<T>>
 }
 
-type CredentialCategory<T extends 'password' | 'ssh' | 'passkey'> = T extends
-	'password' ? {
+export type CredentialCategory = 'password' | 'ssh' | 'passkey'
+
+export type CredentialStore<T extends CredentialCategory> = T extends 'password'
+	? {
 		store: {
-			hash: string //hex or b64 of Uint8Array
+			hash: Base64String
 			alg: string
-			salt: string //hex or b64 of Uint8Array
+			salt: Base64String
 		}
 	}
 	: T extends 'ssh' ? {
 			store: {
-				publicKey: string
+				publicKey: Base64String
 			}
 		}
 	: T extends 'passkey' ? {
-			store: Record<string, unknown>
+			store: Passkey
 		}
 	: never
 
-/*
-PassKey store:
-{
-    publicKey: Uint8Array
-    keyId: string
-    transport: string
-    counter: number
+/** Passkey store */
+export type Passkey = {
+	/** User UUID */
+	user: UUID
+	/** WebAuthn registration key id */
+	webAuthnUserID: string
+	/** Passkey credential unique id */
+	id: string
+	/** Passkey user public key */
+	publicKey: Base64String
+	/** Number of times the authenticator has been used */
+	counter: number
+	/** Whether the passkey is single-device or multi-device */
+	deviceType: 'singleDevice' | 'multiDevice'
+	/** Whether the passkey has been backed up in some way */
+	backedUp: boolean
+	/** Passkey physical transport layer */
+	transports?:
+		('ble' | 'cable' | 'hybrid' | 'internal' | 'nfc' | 'smart-card' | 'usb')[]
 }
-*/
-
-//new Uint8Array(Object.values(JSON.parse(JSON.stringify(new Uint8Array([1, 2, 3])))))

src/models/src/group.ts

@@ -1,33 +1,68 @@
-import { Posix, ToJson, UUID } from '@/types.ts'
+import type { Posix, ToJson, UUID } from '@/types.ts'
 import { Ressource } from '@models/ressource.ts'
+import { Ref } from '@models'
+import { Avatar } from '@/src/models/utils/avatar.ts'
 
 export class Group extends Ressource {
 	static fromJSON(
-		{ posix, ...json }: ToJson<Group>,
+		{ posix, groups, ...json }: ToJson<Group>,
 	): Group {
-		return new Group({ ...json, posix: posix ?? undefined })
+		return new Group({
+			...json,
+			posix: posix ?? undefined,
+			groups: groups.map((group) => Ref.fromString<Group>(group)),
+		})
 	}
 
 	static create(
-		{ posix, permissions, name }: Pick<Group, 'posix' | 'permissions' | 'name'>,
+		{ posix, permissions, name, avatar, groups }: Pick<
+			Group,
+			'posix' | 'permissions' | 'name' | 'avatar' | 'groups'
+		>,
 	): Group {
-		const { uuid, createdAt, updatedAt } = super.create({ name })
-		return new Group({ uuid, createdAt, updatedAt, name, posix, permissions })
+		const { uuid, createdAt, updatedAt } = super.create({ name, avatar })
+		return new Group({
+			uuid,
+			avatar,
+			createdAt,
+			updatedAt,
+			name,
+			posix,
+			permissions,
+			groups,
+		})
+	}
+
+	static load({
+		name,
+		groups = [],
+		permissions = {},
+		posix,
+		avatar = Avatar.fromEmoji('👥'),
+	}: {
+		name: Group['name']
+		permissions?: Group['permissions']
+		posix?: Group['posix']
+		avatar?: Group['avatar']
+		groups?: Group['groups']
+	}): Group {
+		return this.create({ name, groups, permissions, posix, avatar })
 	}
 
 	#posix?: Posix
-	#permissions: {
+	#permissions: Readonly<{
 		[serviceOrMachine: UUID]: {
 			read: boolean
 			write: boolean
 			execute: boolean
 		}
-	} = {}
+	}>
+	#groups: readonly Ref<Group>[]
 
 	private constructor(
-		{ posix, permissions, ...props }:
-			& Pick<Group, 'posix' | 'permissions'>
-			& Pick<Ressource, 'name' | 'uuid' | 'createdAt' | 'updatedAt'>,
+		{ posix, permissions, groups, ...props }:
+			& Pick<Group, 'posix' | 'permissions' | 'groups'>
+			& Pick<Ressource, 'name' | 'avatar' | 'uuid' | 'createdAt' | 'updatedAt'>,
 	) {
 		super(props)
 
@@ -50,7 +85,8 @@ export class Group extends Ressource {
 			this.#posix = posix
 		}
 
-		this.permissions = Object.freeze(permissions)
+		this.#permissions = Object.freeze(permissions)
+		this.#groups = Object.freeze(groups)
 	}
 
 	get type(): 'group' {
@@ -62,7 +98,11 @@ export class Group extends Ressource {
 	}
 
 	get permissions() {
-		return Object.freeze(this.#permissions)
+		return this.#permissions
+	}
+
+	get groups() {
+		return this.#groups
 	}
 
 	update(props: Partial<Omit<Group, 'type' | 'uuid' | 'createdAt'>>): Group {
@@ -77,17 +117,23 @@ export class Group extends Ressource {
 			type: this.type,
 			posix: this.posix ?? null,
 			permissions: this.permissions,
+			groups: this.groups.map((group) => group.toJSON()),
 		} as const
 	}
 
 	toString(): string {
 		return `Group (${JSON.stringify(this)})`
 	}
+
+	toRef(): Ref<Group> {
+		return super.toRef() as Ref<Group>
+	}
 }
 
 export interface Group extends Ressource {
 	type: 'group'
 	posix: Posix | undefined
+	groups: readonly Ref<Group>[]
 	permissions: Readonly<{
 		[serviceOrMachine: UUID]: {
 			read: boolean

src/models/src/machine.ts

@@ -1,29 +1,58 @@
-import { ToJson } from '@/types.ts'
-import { Group } from '@models/group.ts'
-import { Ressource } from '@models/ressource.ts'
 import { Ref } from '@/src/models/utils/ref.ts'
+import type { ToJson, UrlString } from '@/types.ts'
+import type { Group } from '@models/group.ts'
+import { Ressource } from '@models/ressource.ts'
+import { Avatar } from '@/src/models/utils/avatar.ts'
 
 export class Machine extends Ressource {
 	static fromJSON(
-		json: ToJson<Machine>,
+		{ url, ...json }: ToJson<Machine>,
 	): Machine {
-		const url = new URL(json.url)
-		const avatar = new URL(json.avatar)
 		const groups = json.groups.map((group) => Ref.fromString<Group>(group))
 
-		return new Machine({ ...json, url, avatar, groups })
+		return new Machine({ ...json, url, groups })
 	}
 
 	static create(
-		{ tags, url, status, avatar, groups, ...props }:
-			& Pick<Machine, 'tags' | 'url' | 'status' | 'avatar' | 'groups'>
-			& Pick<Ressource, 'name' | 'uuid' | 'createdAt' | 'updatedAt'>,
+		{ tags, url, status, groups, avatar }: Pick<
+			Machine,
+			'name' | 'tags' | 'url' | 'status' | 'avatar' | 'groups'
+		>,
 	): Machine {
-		return new Machine({ ...props, tags, url, status, avatar, groups })
+		const { uuid, createdAt, updatedAt } = super.create({ name, avatar })
+		return new Machine({
+			uuid,
+			createdAt,
+			updatedAt,
+			avatar,
+			name,
+			tags,
+			url,
+			status,
+			groups,
+		})
+	}
+
+	static load({
+		name,
+		avatar = Avatar.fromEmoji('🖨️'),
+		tags = [],
+		url,
+		status = 'unknown',
+		groups = [],
+	}: {
+		name: Machine['name']
+		avatar?: Machine['avatar']
+		tags?: Machine['tags']
+		url: Machine['url']
+		status?: Machine['status']
+		groups?: Machine['groups']
+	}): Machine {
+		return this.create({ name, avatar, tags, url, status, groups })
 	}
 
 	#tags: readonly string[]
-	#url: URL
+	#url: UrlString
 	#status:
 		| 'ready'
 		| 'busy'
@@ -31,25 +60,23 @@ export class Machine extends Ressource {
 		| 'discontinued'
 		| 'error'
 		| 'unknown'
-	#avatar: URL
 	#groups: readonly Ref<Group>[]
 
 	private constructor(
-		{ tags, url, status, avatar, groups, ...props }:
+		{ tags, url, status, groups, ...props }:
 			& Pick<Machine, 'tags' | 'url' | 'status' | 'avatar' | 'groups'>
-			& Pick<Ressource, 'name' | 'uuid' | 'createdAt' | 'updatedAt'>,
+			& Pick<Ressource, 'name' | 'uuid' | 'avatar' | 'createdAt' | 'updatedAt'>,
 	) {
 		super(props)
 
 		this.#tags = Object.freeze(tags)
-		this.#url = new URL(url)
+		this.#url = new URL(url).href as UrlString
 		if (!['working', 'pending', 'ready', 'unavailable'].includes(status)) {
 			throw new TypeError(
 				`status is "${status}" but ('ready' | 'busy' | 'unavailable' | 'discontinued' | 'error' | 'unknown') is required`,
 			)
 		}
 		this.#status = status
-		this.#avatar = new URL(avatar)
 		this.#groups = Object.freeze(groups)
 	}
 
@@ -57,17 +84,14 @@ export class Machine extends Ressource {
 		return 'machine'
 	}
 	get tags() {
-		return this.#tags.slice()
+		return this.#tags
 	}
 	get url() {
-		return new URL(this.#url)
+		return this.#url
 	}
 	get status() {
 		return this.#status
 	}
-	get avatar() {
-		return new URL(this.#avatar)
-	}
 	get groups() {
 		return this.#groups
 	}
@@ -84,10 +108,9 @@ export class Machine extends Ressource {
 		return {
 			...super.toJSON(),
 			type: this.type,
-			tags: this.tags.slice(),
-			url: this.url.toJSON(),
+			tags: this.tags,
+			url: this.url,
 			status: this.status,
-			avatar: this.avatar.toJSON(),
 			groups: Object.freeze(this.groups.map((group) => group.toJSON())),
 		} as const
 	}
@@ -95,12 +118,16 @@ export class Machine extends Ressource {
 	toString(): string {
 		return `Machine (${JSON.stringify(this)})`
 	}
+
+	toRef(): Ref<Machine> {
+		return super.toRef() as Ref<Machine>
+	}
 }
 
 export interface Machine extends Ressource {
 	type: 'machine'
-	tags: string[]
-	url: URL
+	tags: readonly string[]
+	url: UrlString
 	status:
 		| 'ready'
 		| 'busy'
@@ -108,6 +135,5 @@ export interface Machine extends Ressource {
 		| 'discontinued'
 		| 'error'
 		| 'unknown'
-	avatar: URL
 	groups: readonly Ref<Group>[]
 }

src/models/src/ressource.ts

@@ -1,5 +1,5 @@
 import { Ref } from '@/src/models/utils/ref.ts'
-import { DateString, ToJson, UUID } from '@/types.ts'
+import type { DateString, ToJson, UrlString, UUID } from '@/types.ts'
 import { regex } from '@/utils.ts'
 
 export class Ressource {
@@ -8,29 +8,37 @@ export class Ressource {
 	): Ressource {
 		return new Ressource({
 			name: json.name,
+			avatar: json.avatar,
 			uuid: json.uuid,
 			createdAt: json.createdAt,
 			updatedAt: json.updatedAt,
 		})
 	}
 
-	static create({ name }: Pick<Ressource, 'name'>): Ressource {
+	static create(
+		{ name, avatar }: Pick<Ressource, 'name' | 'avatar'>,
+	): Ressource {
 		const uuid = crypto.randomUUID() as UUID
 		const createdAt = new Date().toISOString() as DateString
 		const updatedAt = createdAt
 
-		return new Ressource({ name, uuid, createdAt, updatedAt })
+		return new Ressource({ name, avatar, uuid, createdAt, updatedAt })
+	}
+
+	static load(_options: never): Ressource {
+		throw new Error('not implemented')
 	}
 
 	#name: string
 	#uuid: UUID
 	#createdAt: DateString
 	#updatedAt: DateString
+	#avatar: UrlString
 
 	protected constructor(
-		{ name, uuid, createdAt, updatedAt }: Pick<
+		{ name, avatar, uuid, createdAt, updatedAt }: Pick<
 			Ressource,
-			'name' | 'uuid' | 'createdAt' | 'updatedAt'
+			'name' | 'avatar' | 'uuid' | 'createdAt' | 'updatedAt'
 		>,
 	) {
 		this.#name = name
@@ -39,6 +47,7 @@ export class Ressource {
 				`the following uuid "${uuid}" is not a valid UUID V4`,
 			)
 		}
+		this.#avatar = new URL(avatar).href as UrlString
 		this.#uuid = uuid
 		if (!regex.isoDateString.test(createdAt)) {
 			throw new SyntaxError(
@@ -63,6 +72,9 @@ export class Ressource {
 	get name(): string {
 		return this.#name
 	}
+	get avatar(): UrlString {
+		return this.#avatar
+	}
 	get createdAt(): DateString {
 		return this.#createdAt
 	}
@@ -83,6 +95,7 @@ export class Ressource {
 			type: this.type,
 			uuid: this.uuid,
 			name: this.name,
+			avatar: this.avatar,
 			createdAt: this.createdAt,
 			updatedAt: this.updatedAt,
 		} as const
@@ -101,6 +114,7 @@ export interface Ressource {
 	type: 'user' | 'machine' | 'service' | 'group' | 'credential'
 	uuid: UUID
 	name: string
+	avatar: UrlString
 	createdAt: DateString
 	updatedAt: DateString
 }

src/models/src/service.ts

@@ -1,27 +1,26 @@
-import { ToJson } from '@/types.ts'
-import { Group } from '@models/group.ts'
-import { Ressource } from '@models/ressource.ts'
 import { Ref } from '@/src/models/utils/ref.ts'
+import type { ToJson, UrlString } from '@/types.ts'
+import type { Group } from '@models/group.ts'
+import { Ressource } from '@models/ressource.ts'
+import { Avatar } from '@/src/models/utils/avatar.ts'
 
 export class Service extends Ressource {
 	static fromJSON(
-		{ groups, url, avatar, ...json }: ToJson<Service>,
+		{ groups, ...json }: ToJson<Service>,
 	): Service {
 		return new Service({
 			groups: groups.map((group) => Ref.fromString<Group>(group)),
-			url: new URL(url),
-			avatar: new URL(avatar),
 			...json,
 		})
 	}
 
 	static create(
-		{ category, url, groups, avatar, name }: Pick<
+		{ category, tags, url, groups, avatar, name }: Pick<
 			Service,
-			'category' | 'url' | 'groups' | 'avatar' | 'name'
+			'category' | 'tags' | 'url' | 'groups' | 'avatar' | 'name'
 		>,
 	): Service {
-		const { uuid, createdAt, updatedAt } = super.create({ name })
+		const { uuid, createdAt, updatedAt } = super.create({ name, avatar })
 		return new Service({
 			uuid,
 			createdAt,
@@ -29,21 +28,40 @@ export class Service extends Ressource {
 			name,
 			category,
 			url,
+			tags,
 			groups,
 			avatar,
 		})
 	}
 
-	#category: 'bin' | 'web' | 'fs' | 'git'
-	#url: URL
+	static load({
+		name,
+		avatar = Avatar.fromEmoji('⚙️'),
+		tags = [],
+		url,
+		category,
+		groups = [],
+	}: {
+		name: Service['name']
+		url: Service['url']
+		avatar?: Service['avatar']
+		tags?: Service['tags']
+		category: Service['category']
+		groups?: Service['groups']
+	}): Service {
+		return this.create({ name, avatar, tags, url, category, groups })
+	}
+
+	#category: 'web' | 'fs' | 'git'
+	#url: UrlString
 	#groups: readonly Ref<Group>[]
-	#avatar: URL
+	#tags: readonly string[]
 
 	private constructor({
 		category,
+		tags,
 		url,
 		groups,
-		avatar,
 		...ressource
 	}: Pick<
 		Service,
@@ -53,20 +71,21 @@ export class Service extends Ressource {
 		| 'name'
 		| 'category'
 		| 'url'
+		| 'tags'
 		| 'groups'
 		| 'avatar'
 	>) {
 		super(ressource)
 
-		if (!['bin', 'web', 'fs', 'git'].includes(category)) {
+		if (!['web', 'fs', 'git'].includes(category)) {
 			throw new TypeError(
-				`category is "${category}" but ('bin' | 'web' | 'fs' | 'git') is required`,
+				`category is "${category}" but ('web' | 'fs' | 'git') is required`,
 			)
 		}
 		this.#category = category
-		this.#url = url
+		this.#url = new URL(url).href as UrlString
 		this.#groups = Object.freeze(groups)
-		this.#avatar = avatar
+		this.#tags = Object.freeze(tags)
 	}
 
 	get type(): 'service' {
@@ -77,16 +96,16 @@ export class Service extends Ressource {
 		return this.#category
 	}
 
+	get tags() {
+		return this.#tags
+	}
+
 	get url() {
-		return new URL(this.#url)
+		return this.#url
 	}
 
 	get groups() {
-		return Object.freeze(this.#groups)
-	}
-
-	get avatar() {
-		return new URL(this.#avatar)
+		return this.#groups
 	}
 
 	update(
@@ -102,21 +121,25 @@ export class Service extends Ressource {
 			...super.toJSON(),
 			type: this.type,
 			category: this.category,
-			url: this.url.toJSON(),
+			tags: this.tags,
+			url: this.url,
 			groups: this.groups.map((group) => group.toJSON()),
-			avatar: this.avatar.toJSON(),
 		} as const
 	}
 
 	toString(): string {
 		return `Service (${JSON.stringify(this)})`
 	}
+
+	toRef(): Ref<Service> {
+		return super.toRef() as Ref<Service>
+	}
 }
 
 export interface Service extends Ressource {
 	type: 'service'
-	category: 'bin' | 'web' | 'fs' | 'git'
-	url: URL
+	category: 'web' | 'fs' | 'git'
+	tags: readonly string[]
+	url: UrlString
 	groups: readonly Ref<Group>[]
-	avatar: URL
 }

src/models/src/user.ts

@@ -1,14 +1,13 @@
-import { Login, MailAddress, Posix, ToJson } from '@/types.ts'
-import { regex, toLogin } from '@/utils.ts'
-import { Credential } from '@models/credential.ts'
-import { Group } from '@models/group.ts'
-import { Ressource } from '@models/ressource.ts'
 import { Ref } from '@/src/models/utils/ref.ts'
+import type { Login, MailAddress, Posix, ToJson } from '@/types.ts'
+import { regex, toLogin } from '@/utils.ts'
+import type { Credential, CredentialCategory } from '@models/credential.ts'
+import type { Group } from '@models/group.ts'
+import { Ressource } from '@models/ressource.ts'
+import { Avatar } from '@/src/models/utils/avatar.ts'
 
 export class User extends Ressource {
-	static fromJSON(
-		json: ToJson<User>,
-	): User {
+	static fromJSON(json: ToJson<User>): User {
 		if (json.type !== 'user') {
 			throw new TypeError(`type is "${json.type}" but "user" is required`)
 		}
@@ -22,7 +21,10 @@ export class User extends Ressource {
 				`firstname type is "${typeof json.firstname}" but "string" is required`,
 			)
 		}
-		if (typeof json.login !== 'string' && /(\w|_)+\.(\w|_)+/.test(json.login)) {
+		if (
+			typeof json.login !== 'string' &&
+			/(\w|_)+\.(\w|_)+/.test(json.login)
+		) {
 			throw new TypeError(
 				`login is "${json.login}" but "\${string}.\${string}" is required`,
 			)
@@ -35,20 +37,20 @@ export class User extends Ressource {
 
 		const credentials = Object.freeze(
 			json.credentials.map((credential) =>
-				Ref.fromString<Credential>(credential)
+				Ref.fromString<Credential<CredentialCategory>>(credential)
 			),
 		)
 		const groups = Object.freeze(
 			json.groups.map((group) => Ref.fromString<Group>(group)),
 		)
-		const avatar = new URL(json.avatar)
 		const posix = json.posix ?? undefined
 
-		return new User({ ...json, posix, credentials, groups, avatar })
+		return new User({ ...json, posix, credentials, groups })
 	}
 
 	static create({
 		name,
+		avatar,
 		...props
 	}: Pick<
 		User,
@@ -61,8 +63,38 @@ export class User extends Ressource {
 		| 'avatar'
 		| 'credentials'
 	>): User {
-		const { uuid, createdAt, updatedAt } = super.create({ name })
-		return new User({ name, uuid, createdAt, updatedAt, ...props })
+		const { uuid, createdAt, updatedAt } = super.create({ name, avatar })
+		return new User({ name, avatar, uuid, createdAt, updatedAt, ...props })
+	}
+
+	static load({
+		lastname,
+		firstname,
+		mail,
+		groups = [],
+		posix,
+		avatar = Avatar.fromEmoji('👤'),
+		credentials = [],
+	}: {
+		lastname: User['lastname']
+		firstname: User['firstname']
+		mail: User['mail']
+		groups?: User['groups']
+		posix?: User['posix']
+		avatar?: User['avatar']
+		credentials?: User['credentials']
+	}): User {
+		const name = `${firstname} ${lastname}`
+		return this.create({
+			name,
+			lastname,
+			firstname,
+			mail,
+			groups,
+			posix,
+			avatar,
+			credentials,
+		})
 	}
 
 	#lastname: string
@@ -71,8 +103,7 @@ export class User extends Ressource {
 	#mail: MailAddress
 	#groups: readonly Ref<Group>[]
 	#posix?: Posix
-	#avatar: URL
-	#credentials: readonly Ref<Credential>[]
+	#credentials: readonly Ref<Credential<CredentialCategory>>[]
 
 	private constructor({
 		lastname,
@@ -80,7 +111,6 @@ export class User extends Ressource {
 		mail,
 		groups,
 		posix,
-		avatar,
 		credentials,
 		...ressource
 	}: Pick<
@@ -113,7 +143,6 @@ export class User extends Ressource {
 			}
 		}
 		this.#posix = posix
-		this.#avatar = avatar
 		this.#login = toLogin({ firstname, lastname })
 		this.#credentials = Object.freeze(credentials)
 	}
@@ -139,9 +168,6 @@ export class User extends Ressource {
 	get posix() {
 		return this.#posix
 	}
-	get avatar() {
-		return this.#avatar
-	}
 	get credentials() {
 		return this.#credentials
 	}
@@ -161,7 +187,7 @@ export class User extends Ressource {
 			mail: this.mail,
 			groups: this.groups.map((group) => group.toJSON()),
 			posix: this.posix ?? null,
-			avatar: this.avatar.toJSON(),
+			avatar: this.avatar,
 			credentials: this.credentials.map((credential) => credential.toJSON()),
 		} as const
 	}
@@ -169,6 +195,10 @@ export class User extends Ressource {
 	toString(): string {
 		return `User (${JSON.stringify(this)})`
 	}
+
+	toRef(): Ref<User> {
+		return super.toRef() as Ref<User>
+	}
 }
 
 export interface User extends Ressource {
@@ -179,6 +209,5 @@ export interface User extends Ressource {
 	mail: MailAddress
 	groups: readonly Ref<Group>[]
 	posix: Posix | undefined
-	avatar: URL
-	credentials: readonly Ref<Credential>[]
+	credentials: readonly Ref<Credential<CredentialCategory>>[]
 }

src/models/utils/avatar.ts

@@ -0,0 +1,8 @@
+import type { UrlString } from '@/types.ts'
+
+export class Avatar {
+	static fromEmoji(emoji: string): UrlString {
+		return `data:image/svg+xml,<svg xmlns=%22http://www.w3.org/2000/svg%22 viewBox=%2210 0 100 100%22><text y=%22.90em%22 font-size=%2290%22>${emoji}</text></svg>`
+	}
+	private constructor() {}
+}

src/models/utils/ref.ts

@@ -1,4 +1,4 @@
-import { Db } from '@/mod.ts'
+import type { Db } from '@/mod.ts'
 import type { UUID } from '@/types.ts'
 import {
 	Credential,
@@ -38,8 +38,9 @@ export class Ref<T extends Ressource> extends String {
 	}
 
 	static dbResolver(db: Db) {
-		return <T extends Ressource>(ref: RefString<T>) => {
+		return <T extends Ressource>(ref: RefString<T>): Promise<T> => {
 			const { type, uuid } = Ref.parse(ref)
+			//@ts-expect-error force type casting to fix
 			return db.ressource[type].get({ uuid })
 		}
 	}

types.ts

@@ -26,3 +26,11 @@ export type Posix = {
 	home: string
 	shell: string
 }
+
+export type Base64String = `${string}`
+export type UrlString = `${
+	| 'data:'
+	| 'file://'
+	| 'http://'
+	| 'https://'
+	| 'git:'}${string}`

utils.ts

@@ -1,4 +1,4 @@
-import { Login } from '@/types.ts'
+import type { Login } from '@/types.ts'
 
 export function toLogin({
 	firstname,