Init backend, frontend and DB schema

packages/common/src/index.ts

@@ -0,0 +1,86 @@
+import { Schema as S } from "@effect/schema";
+import { Brand as B, pipe } from "effect";
+
+export const AttachmentId = pipe(S.ULID, S.brand("AttachmentId"));
+export const PieceId = pipe(S.ULID, S.brand("PieceId"));
+export const RequestId = pipe(S.ULID, S.brand("RequestId"));
+export const UserId = pipe(S.ULID, S.brand("UserId"));
+
+export type AttachmentId = typeof AttachmentId.Type;
+export type PieceId = typeof PieceId.Type;
+export type RequestId = typeof RequestId.Type;
+export type UserId = typeof UserId.Type;
+
+export type Sha256 = B.Branded<Uint8Array, "Sha256">;
+export const Sha256 = pipe(
+	S.Uint8ArrayFromSelf,
+	S.fromBrand(B.refined<Sha256>(
+		(array) => array.byteLength === 32,
+		() => B.error(`Expected Uint8Array to be 32 bytes long`),
+	)),
+);
+
+export class BooleanFromNumber extends S.transform(
+	S.Number,
+	S.Boolean,
+	{
+		strict: true,
+		decode: (a) => a !== 0,
+		encode: (i) => i ? 1 : 0,
+	},
+).annotations({ identifier: "BooleanFromNumber" }) { }
+
+export const SystemInformation = S.Struct({
+	createdBy: UserId,
+	createdAt: S.DateTimeUtc,
+	modifiedBy: UserId,
+	modifiedAt: S.DateTimeUtc,
+});
+
+export type SystemInformation = typeof SystemInformation.Type;
+
+export const AccessLog = S.Struct({
+	timestamp: S.DateTimeUtc,
+	requestId: RequestId,
+	method: S.NonEmptyString,
+	pathname: S.NonEmptyString,
+	query: S.parseJson(S.Record({
+		key: S.String,
+		value: S.String,
+	})),
+	ip: S.Union(S.NonEmptyString, S.Null),
+});
+
+export const Attachment = pipe(
+	S.Struct({
+		attachmentId: AttachmentId,
+		pieceId: PieceId,
+		sha256: Sha256,
+		filename: S.NonEmptyString,
+		mediaType: S.NonEmptyString,
+	}),
+	S.extend(SystemInformation),
+);
+
+export const Piece = pipe(
+	S.Struct({
+		pieceId: PieceId,
+		name: S.NonEmptyString,
+		composer: S.Union(S.NonEmptyString, S.Null),
+		lyricist: S.Union(S.NonEmptyString, S.Null),
+		arranger: S.Union(S.NonEmptyString, S.Null),
+	}),
+	S.extend(SystemInformation),
+);
+
+export const User = S.Struct({
+	userId: UserId,
+	username: S.NonEmptyString,
+	password: S.NonEmptyString,
+	admin: BooleanFromNumber,
+});
+
+export type AccessLog = typeof AccessLog.Type;
+export type Attachment = typeof Attachment.Type;
+export type Piece = typeof Piece.Type;
+export type User = typeof User.Type;