rename frontend to web

web/projects/shared/src/classes/http-error.ts

@@ -0,0 +1,8 @@
+import { HttpErrorResponse } from '@angular/common/http'
+
+export class HttpError {
+  constructor(private readonly error: HttpErrorResponse) {}
+
+  readonly code = this.error.status
+  readonly message = this.error.statusText
+}

web/projects/shared/src/classes/rpc-error.ts

@@ -0,0 +1,22 @@
+import { RPCErrorDetails } from '../types/rpc.types'
+
+export class RpcError {
+  constructor(private readonly error: RPCErrorDetails) {}
+
+  readonly code = this.error.code
+  readonly message = this.getMessage()
+
+  private getMessage(): string {
+    let message: string
+
+    if (typeof this.error.data === 'string') {
+      message = `${this.error.message}\n\n${this.error.data}`
+    } else {
+      message = this.error.data?.details
+        ? `${this.error.message}\n\n${this.error.data.details}`
+        : this.error.message
+    }
+
+    return `RPC ERROR: ${message}`
+  }
+}