From 5faa5236900808018e2a107a315df68abe38bbf4 Mon Sep 17 00:00:00 2001
From: Timo Glastra <timo@animo.id>
Date: Fri, 14 Apr 2023 20:06:50 +0200
Subject: [PATCH] feat: add did resolver

Signed-off-by: Timo Glastra <timo@animo.id>
---
 packages/siera-ui/src/layout/Layout.tsx       |  1 +
 .../src/pages/agent/dids/DidsScreen.tsx       | 86 +++++++++++++++++++
 packages/siera-ui/src/routes.tsx              | 10 +++
 3 files changed, 97 insertions(+)
 create mode 100644 packages/siera-ui/src/pages/agent/dids/DidsScreen.tsx

diff --git a/packages/siera-ui/src/layout/Layout.tsx b/packages/siera-ui/src/layout/Layout.tsx
index 4c8545a..f2aa0bb 100644
--- a/packages/siera-ui/src/layout/Layout.tsx
+++ b/packages/siera-ui/src/layout/Layout.tsx
@@ -17,6 +17,7 @@ const navigationItems: NavigationItem[] = [
   { name: 'Connections', href: '/agent/connections' },
   { name: 'Credentials', href: '/agent/credentials' },
   { name: 'Proofs', href: '/agent/proofs' },
+  { name: 'Dids', href: '/agent/dids' },
 ]
 
 export const Layout = ({ children }: LayoutProps) => {
diff --git a/packages/siera-ui/src/pages/agent/dids/DidsScreen.tsx b/packages/siera-ui/src/pages/agent/dids/DidsScreen.tsx
new file mode 100644
index 0000000..b435edc
--- /dev/null
+++ b/packages/siera-ui/src/pages/agent/dids/DidsScreen.tsx
@@ -0,0 +1,86 @@
+import type { DidDocument } from '@aries-framework/core'
+
+import { useAgent } from '@aries-framework/react-hooks'
+import { Box, Group, Space, TextInput } from '@mantine/core'
+import { useForm } from '@mantine/form'
+import { showNotification } from '@mantine/notifications'
+import React, { useState } from 'react'
+
+import { Card } from '../../../components/Card'
+import { Header } from '../../../components/Header'
+import { Loading } from '../../../components/Loading'
+import { SecondaryButton } from '../../../components/generic'
+import { RecordCodeBlock } from '../../../components/generic/information/RecordCodeBlock'
+
+interface DidResolveValues {
+  did: string
+}
+
+export const DidsScreen = () => {
+  const form = useForm<DidResolveValues>({ initialValues: { did: '' } })
+  const { agent } = useAgent()
+  const [isLoading, setIsLoading] = useState(false)
+  const [didResult, setDidResult] = useState<DidDocument | undefined>()
+
+  const getErrorMessage = (did: string, error?: string) => {
+    const errorMessage: Record<string, (did: string) => string> = {
+      invalidDid: (did: string) => `did '${did}' is not a valid did.`,
+      notFound: (did: string) => `did '${did}' could not be found. Make sure the did exists.`,
+      unsupportedDidMethod: (did: string) => {
+        const [, method] = did.split(':')
+
+        // TODO: extract supportedMethods from agent.dids.config.resolvers when updated to 0.4.0
+        return `did method '${method}' is not supported at the moment.`
+      },
+    }
+
+    if (!error || !errorMessage[error]) return ''
+    return errorMessage[error](did)
+  }
+
+  const resolveDid = async ({ did }: DidResolveValues) => {
+    if (isLoading) return
+
+    setIsLoading(true)
+    const result = await agent?.dids.resolve(did)
+    setIsLoading(false)
+
+    if (!result?.didDocument) {
+      showNotification({
+        title: 'Error',
+        message: `Could not resolve did document. ${getErrorMessage(did, result?.didResolutionMetadata.error)}`,
+        color: 'error',
+      })
+      setDidResult(undefined)
+      return
+    }
+
+    setDidResult(result.didDocument)
+  }
+
+  return (
+    <>
+      <Header title="Dids" description="Work with did documents." />
+      <Card title="Resolve did document" description="Paste in the did to resolve the did document for." withPadding>
+        <form onSubmit={form.onSubmit(resolveDid)}>
+          <Group>
+            <Box w={450} maw="75%">
+              <TextInput placeholder="did:example:123" disabled={isLoading} {...form.getInputProps('did')} required />
+            </Box>
+            <SecondaryButton type="submit" disabled={isLoading}>
+              Resolve
+            </SecondaryButton>
+          </Group>
+        </form>
+        <Space h="xl" />
+        {isLoading ? (
+          <Loading />
+        ) : didResult ? (
+          <Box>
+            <RecordCodeBlock record={didResult} />
+          </Box>
+        ) : null}
+      </Card>
+    </>
+  )
+}
diff --git a/packages/siera-ui/src/routes.tsx b/packages/siera-ui/src/routes.tsx
index 3f913aa..9c37c04 100644
--- a/packages/siera-ui/src/routes.tsx
+++ b/packages/siera-ui/src/routes.tsx
@@ -9,6 +9,7 @@ import { ConnectionDetailsScreen } from './pages/agent/connections/ConnectionDet
 import { ConnectionsScreen } from './pages/agent/connections/ConnectionsScreen'
 import { CredentialsDetailsScreen } from './pages/agent/credentials/CredentialsDetailsScreen'
 import { CredentialsScreen } from './pages/agent/credentials/CredentialsScreen'
+import { DidsScreen } from './pages/agent/dids/DidsScreen'
 import { ProofDetailsScreen } from './pages/agent/proofs/ProofDetailsScreen'
 import { ProofsScreen } from './pages/agent/proofs/ProofsScreen'
 
@@ -21,6 +22,7 @@ export const routeUrls = [
   '/agent/credentials/{credentialId}',
   '/agent/proofs',
   '/agent/proofs/{proofId}',
+  '/agent/dids',
 ] as const
 
 export const routes: RouteObject[] = [
@@ -87,6 +89,14 @@ export const routes: RouteObject[] = [
           </Layout>
         ),
       },
+      {
+        path: 'dids',
+        element: (
+          <Layout>
+            <DidsScreen />
+          </Layout>
+        ),
+      },
     ],
   },
 ]