Import client json file (#55)

* import form

* added confirmation dialog

* introduced page component for clients

src/App.tsx

@@ -1,69 +1,16 @@
-import React, { useContext, useState } from "react";
-import { ClientList } from "./clients/ClientList";
-import { DataLoader } from "./components/data-loader/DataLoader";
-import { HttpClientContext } from "./http-service/HttpClientContext";
-import { ClientRepresentation } from "./model/client-model";
+import React from "react";
 import { Page, PageSection, Button } from "@patternfly/react-core";
 import { Header } from "./PageHeader";
 import { PageNav } from "./PageNav";
-import { KeycloakContext } from "./auth/KeycloakContext";
-import { TableToolbar } from "./components/table-toolbar/TableToolbar";
 
 import { Help } from "./components/help-enabler/HelpHeader";
-import {
-  BrowserRouter as Router,
-  Route,
-  Switch,
-  useHistory,
-} from "react-router-dom";
+import { BrowserRouter as Router, Route, Switch } from "react-router-dom";
 import { NewRealmForm } from "./forms/realm/NewRealmForm";
 import { NewClientForm } from "./forms/client/NewClientForm";
+import { ImportForm } from "./forms/client/ImportForm";
+import { ClientsPage } from "./page/ClientsPage";
 
 export const App = () => {
-  const [max, setMax] = useState(10);
-  const [first, setFirst] = useState(0);
-  const httpClient = useContext(HttpClientContext);
-  const keycloak = useContext(KeycloakContext);
-
-  const loader = async () => {
-    return await httpClient
-      ?.doGet("/admin/realms/master/clients", { params: { first, max } })
-      .then((r) => r.data as ClientRepresentation[]);
-  };
-
-  const Clients = () => {
-    const history = useHistory();
-    return (
-      <DataLoader loader={loader}>
-        {(clients) => (
-          <TableToolbar
-            count={clients!.length}
-            first={first}
-            max={max}
-            onNextClick={(f) => setFirst(f)}
-            onPreviousClick={(f) => setFirst(f)}
-            onPerPageSelect={(f, m) => {
-              setFirst(f);
-              setMax(m);
-            }}
-            toolbarItem={
-              <>
-                <Button onClick={() => history.push("/add-client")}>
-                  Create client
-                </Button>
-                <Button variant="link">Import client</Button>
-              </>
-            }
-          >
-            <ClientList
-              clients={clients}
-              baseUrl={keycloak!.authServerUrl()!}
-            />
-          </TableToolbar>
-        )}
-      </DataLoader>
-    );
-  };
   return (
     <Router>
       <Help>
@@ -72,7 +19,8 @@ export const App = () => {
             <Switch>
               <Route exact path="/add-realm" component={NewRealmForm}></Route>
               <Route exact path="/add-client" component={NewClientForm}></Route>
-              <Route exact path="/" component={Clients}></Route>
+              <Route exact path="/import-client" component={ImportForm}></Route>
+              <Route exact path="/" component={ClientsPage}></Route>
             </Switch>
           </PageSection>
         </Page>

src/forms/client/ClientDescription.tsx

@@ -0,0 +1,46 @@
+import React, { FormEvent } from "react";
+import { FormGroup, TextInput } from "@patternfly/react-core";
+
+import { ClientRepresentation } from "../../model/client-model";
+
+type ClientDescriptionProps = {
+  onChange: (value: string, event: FormEvent<HTMLInputElement>) => void;
+  client: ClientRepresentation;
+};
+
+export const ClientDescription = ({
+  client,
+  onChange,
+}: ClientDescriptionProps) => {
+  return (
+    <>
+      <FormGroup label="Client ID" fieldId="kc-client-id">
+        <TextInput
+          type="text"
+          id="kc-client-id"
+          name="clientId"
+          value={client.clientId}
+          onChange={onChange}
+        />
+      </FormGroup>
+      <FormGroup label="Name" fieldId="kc-name">
+        <TextInput
+          type="text"
+          id="kc-name"
+          name="name"
+          value={client.name}
+          onChange={onChange}
+        />
+      </FormGroup>
+      <FormGroup label="Description" fieldId="kc-description">
+        <TextInput
+          type="text"
+          id="kc-description"
+          name="description"
+          value={client.description}
+          onChange={onChange}
+        />
+      </FormGroup>
+    </>
+  );
+};

src/forms/client/ImportForm.tsx

@@ -0,0 +1,171 @@
+import React, { useState, FormEvent, useContext } from "react";
+import {
+  PageSection,
+  Text,
+  TextContent,
+  Divider,
+  Form,
+  FormGroup,
+  FileUpload,
+  TextInput,
+  ActionGroup,
+  Button,
+  AlertVariant,
+  Modal,
+  ModalVariant,
+} from "@patternfly/react-core";
+import { useTranslation } from "react-i18next";
+
+import { ClientRepresentation } from "../../model/client-model";
+import { ClientDescription } from "./ClientDescription";
+import { HttpClientContext } from "../../http-service/HttpClientContext";
+import { useAlerts } from "../../components/alert/Alerts";
+import { AlertPanel } from "../../components/alert/AlertPanel";
+
+type FileUpload = {
+  value: string | File;
+  filename: string;
+  isLoading: boolean;
+  modal: boolean;
+};
+
+export const ImportForm = () => {
+  const { t } = useTranslation();
+  const httpClient = useContext(HttpClientContext)!;
+
+  const [add, alerts, hide] = useAlerts();
+  const defaultUpload = {
+    value: "",
+    filename: "",
+    isLoading: false,
+    modal: false,
+  };
+  const [fileUpload, setFileUpload] = useState<FileUpload>(defaultUpload);
+  const defaultClient = {
+    protocol: "",
+    clientId: "",
+    name: "",
+    description: "",
+  };
+  const [client, setClient] = useState<ClientRepresentation>(defaultClient);
+
+  const handleFileChange = (value: string | File, filename: string) => {
+    if (value === "" && client.protocol !== "") {
+      // clear clicked
+      setFileUpload({ ...fileUpload, modal: true });
+    } else {
+      setFileUpload({
+        ...fileUpload,
+        value,
+        filename,
+      });
+      setClient({
+        ...client,
+        ...(value ? JSON.parse(value as string) : defaultClient),
+      });
+    }
+  };
+  const handleDescriptionChange = (
+    value: string,
+    event: FormEvent<HTMLInputElement>
+  ) => {
+    const name = (event.target as HTMLInputElement).name;
+    setClient({ ...client, [name]: value });
+  };
+  const removeDialog = () => setFileUpload({ ...fileUpload, modal: false });
+
+  const save = async () => {
+    try {
+      await httpClient.doPost("/admin/realms/master/clients", client);
+      add(t("Client imported"), AlertVariant.success);
+    } catch (error) {
+      add(`${t("Could not import client:")} '${error}'`, AlertVariant.danger);
+    }
+  };
+  return (
+    <>
+      <AlertPanel alerts={alerts} onCloseAlert={hide} />
+      <PageSection variant="light">
+        <TextContent>
+          <Text component="h1">{t("Import client")}</Text>
+          {t(
+            "Clients are applications and services that can request authentication of a user"
+          )}
+        </TextContent>
+      </PageSection>
+      <Divider />
+      <PageSection variant="light">
+        {fileUpload.modal && (
+          <Modal
+            variant={ModalVariant.small}
+            title={t("Clear this file")}
+            isOpen
+            onClose={removeDialog}
+            actions={[
+              <Button
+                key="confirm"
+                variant="primary"
+                onClick={() => {
+                  setClient(defaultClient);
+                  setFileUpload(defaultUpload);
+                }}
+              >
+                {t("Clear")}
+              </Button>,
+              <Button key="cancel" variant="link" onClick={removeDialog}>
+                {t("Cancel")}
+              </Button>,
+            ]}
+          >
+            {t("confirmImportClear")}
+          </Modal>
+        )}
+        <Form isHorizontal>
+          <FormGroup
+            label={t("Resource file")}
+            fieldId="realm-file"
+            helperText="Upload a JSON file"
+          >
+            <FileUpload
+              id="realm-file"
+              type="text"
+              value={fileUpload.value}
+              filename={fileUpload.filename}
+              onChange={handleFileChange}
+              allowEditingUploadedText
+              onReadStarted={() =>
+                setFileUpload({ ...fileUpload, isLoading: true })
+              }
+              onReadFinished={() =>
+                setFileUpload({ ...fileUpload, isLoading: false })
+              }
+              isLoading={fileUpload.isLoading}
+              dropzoneProps={{
+                accept: ".json",
+              }}
+            />
+          </FormGroup>
+          <ClientDescription
+            onChange={handleDescriptionChange}
+            client={client}
+          />
+          <FormGroup label={t("Type")} fieldId="kc-type">
+            <TextInput
+              type="text"
+              id="kc-type"
+              name="protocol"
+              value={client.protocol}
+              isReadOnly
+            />
+          </FormGroup>
+          <ActionGroup>
+            <Button variant="primary" onClick={save}>
+              {t("Save")}
+            </Button>
+            <Button variant="link">{t("Cancel")}</Button>
+          </ActionGroup>
+        </Form>
+      </PageSection>
+    </>
+  );
+};

src/forms/client/Step1.tsx

@@ -1,16 +1,17 @@
 import React, { useState, FormEvent, useEffect, useContext } from "react";
 import {
   FormGroup,
-  TextInput,
   Form,
   Select,
   SelectVariant,
   SelectOption,
 } from "@patternfly/react-core";
+
 import { HttpClientContext } from "../../http-service/HttpClientContext";
 import { sortProvider } from "../../util";
 import { ServerInfoRepresentation } from "../../model/server-info";
 import { ClientRepresentation } from "../../model/client-model";
+import { ClientDescription } from "./ClientDescription";
 
 type Step1Props = {
   onChange: (value: string, event: FormEvent<HTMLInputElement>) => void;
@@ -67,33 +68,7 @@ export const Step1 = ({ client, onChange }: Step1Props) => {
           ))}
         </Select>
       </FormGroup>
-      <FormGroup label="Client ID" fieldId="kc-client-id">
-        <TextInput
-          type="text"
-          id="kc-client-id"
-          name="clientId"
-          value={client.clientId}
-          onChange={onChange}
-        />
-      </FormGroup>
-      <FormGroup label="Name" fieldId="kc-name">
-        <TextInput
-          type="text"
-          id="kc-name"
-          name="name"
-          value={client.name}
-          onChange={onChange}
-        />
-      </FormGroup>
-      <FormGroup label="Description" fieldId="kc-description">
-        <TextInput
-          type="text"
-          id="kc-description"
-          name="description"
-          value={client.description}
-          onChange={onChange}
-        />
-      </FormGroup>
+      <ClientDescription onChange={onChange} client={client} />
     </Form>
   );
 };

src/messages.json

@@ -12,6 +12,7 @@
       "fullName": "{{givenName}} {{familyName}}",
       "unknownUser": "Anonymous",
       "Keycloak Administration Console": "RH-SSO Administration Console",
+      "confirmImportClear": "If you clear this file, you need to click Browse button to re-import a valid file",
 
       "********* MASTHEAD *********": "",
       "Sign out": "Sign out",

src/page/ClientsPage.tsx

@@ -0,0 +1,59 @@
+import React, { useState, useContext } from "react";
+import { useHistory } from "react-router-dom";
+import { useTranslation } from "react-i18next";
+import { Button } from "@patternfly/react-core";
+
+import { DataLoader } from "../components/data-loader/DataLoader";
+import { TableToolbar } from "../components/table-toolbar/TableToolbar";
+import { ClientList } from "../clients/ClientList";
+import { HttpClientContext } from "../http-service/HttpClientContext";
+import { KeycloakContext } from "../auth/KeycloakContext";
+import { ClientRepresentation } from "../model/client-model";
+
+export const ClientsPage = () => {
+  const { t } = useTranslation();
+  const history = useHistory();
+  const [max, setMax] = useState(10);
+  const [first, setFirst] = useState(0);
+  const httpClient = useContext(HttpClientContext)!;
+  const keycloak = useContext(KeycloakContext);
+
+  const loader = async () => {
+    return await httpClient
+      .doGet("/admin/realms/master/clients", { params: { first, max } })
+      .then((r) => r.data as ClientRepresentation[]);
+  };
+
+  return (
+    <DataLoader loader={loader}>
+      {(clients) => (
+        <TableToolbar
+          count={clients!.length}
+          first={first}
+          max={max}
+          onNextClick={setFirst}
+          onPreviousClick={setFirst}
+          onPerPageSelect={(f, m) => {
+            setFirst(f);
+            setMax(m);
+          }}
+          toolbarItem={
+            <>
+              <Button onClick={() => history.push("/add-client")}>
+                {t("Create client")}
+              </Button>
+              <Button
+                onClick={() => history.push("/import-client")}
+                variant="link"
+              >
+                {t("Import client")}
+              </Button>
+            </>
+          }
+        >
+          <ClientList clients={clients} baseUrl={keycloak!.authServerUrl()!} />
+        </TableToolbar>
+      )}
+    </DataLoader>
+  );
+};