feat: changed backend-pg to backend

backend/src/lib/errors/index.ts

@@ -0,0 +1,60 @@
+/* eslint-disable max-classes-per-file */
+export class DatabaseError extends Error {
+  name: string;
+
+  error: unknown;
+
+  constructor({ name, error, message }: { message?: string; name?: string; error: unknown }) {
+    super(message || "Failed to execute db ops");
+    this.name = name || "DatabaseError";
+    this.error = error;
+  }
+}
+
+export class InternalServerError extends Error {
+  name: string;
+
+  error: unknown;
+
+  constructor({ name, error, message }: { message?: string; name?: string; error?: unknown }) {
+    super(message || "Something went wrong");
+    this.name = name || "InternalServerError";
+    this.error = error;
+  }
+}
+
+export class UnauthorizedError extends Error {
+  name: string;
+
+  error: unknown;
+
+  constructor({ name, error, message }: { message?: string; name?: string; error?: unknown } = {}) {
+    super(message ?? "You are not allowed to access this resource");
+    this.name = name || "UnauthorizedError";
+    this.error = error;
+  }
+}
+
+export class ForbiddenRequestError extends Error {
+  name: string;
+
+  error: unknown;
+
+  constructor({ name, error, message }: { message?: string; name?: string; error?: unknown }) {
+    super(message ?? "You are not allowed to access this resource");
+    this.name = name || "ForbideenError";
+    this.error = error;
+  }
+}
+
+export class BadRequestError extends Error {
+  name: string;
+
+  error: unknown;
+
+  constructor({ name, error, message }: { message?: string; name?: string; error?: unknown }) {
+    super(message ?? "The request is invalid");
+    this.name = name || "BadRequest";
+    this.error = error;
+  }
+}