feat: Add Create Workspace Form (#73)

Fixes #38 

This adds a create-workspace form (with only 1 field, probably the simplest form ever 😄 )

![image](https://user-images.githubusercontent.com/88213859/151108220-8a540c75-e55b-49af-8199-c69394508700.png)

It currently redirects to a path `/workspaces/<unique id>`, but that isn't implemented yet - but you can see the workspace show up on the projects page.

site/api.ts

@@ -67,6 +67,11 @@ export namespace Project {
   }
 }
 
+export interface CreateWorkspaceRequest {
+  name: string
+  project_id: string
+}
+
 // Must be kept in sync with backend Workspace struct
 export interface Workspace {
   id: string
@@ -77,6 +82,31 @@ export interface Workspace {
   name: string
 }
 
+export namespace Workspace {
+  export const create = async (request: CreateWorkspaceRequest): Promise<Workspace> => {
+    const response = await fetch(`/api/v2/workspaces/me`, {
+      method: "POST",
+      headers: {
+        "Content-Type": "application/json",
+      },
+      body: JSON.stringify(request),
+    })
+
+    const body = await response.json()
+    if (!response.ok) {
+      throw new Error(body.message)
+    }
+
+    // Let SWR know that both the /api/v2/workspaces/* and /api/v2/projects/*
+    // endpoints will need to fetch new data.
+    const mutateWorkspacesPromise = mutate("/api/v2/workspaces")
+    const mutateProjectsPromise = mutate("/api/v2/projects")
+    await Promise.all([mutateWorkspacesPromise, mutateProjectsPromise])
+
+    return body
+  }
+}
+
 export const login = async (email: string, password: string): Promise<LoginResponse> => {
   const response = await fetch("/api/v2/login", {
     method: "POST",

site/forms/CreateWorkspaceForm.test.tsx

@@ -0,0 +1,20 @@
+import { render, screen } from "@testing-library/react"
+import React from "react"
+import { CreateWorkspaceForm } from "./CreateWorkspaceForm"
+import { MockProject, MockWorkspace } from "./../test_helpers"
+
+describe("CreateWorkspaceForm", () => {
+  it("renders", async () => {
+    // Given
+    const onSubmit = () => Promise.resolve(MockWorkspace)
+    const onCancel = () => Promise.resolve()
+
+    // When
+    render(<CreateWorkspaceForm project={MockProject} onSubmit={onSubmit} onCancel={onCancel} />)
+
+    // Then
+    // Simple smoke test to verify form renders
+    const element = await screen.findByText("Create Workspace")
+    expect(element).toBeDefined()
+  })
+})

site/forms/CreateWorkspaceForm.tsx

@@ -0,0 +1,97 @@
+import Button from "@material-ui/core/Button"
+import { makeStyles } from "@material-ui/core/styles"
+import { FormikContextType, useFormik } from "formik"
+import React from "react"
+import * as Yup from "yup"
+
+import { FormTextField, FormTitle, FormSection } from "../components/Form"
+import { LoadingButton } from "../components/Button"
+import { Project, Workspace, CreateWorkspaceRequest } from "../api"
+
+export interface CreateWorkspaceForm {
+  project: Project
+  onSubmit: (request: CreateWorkspaceRequest) => Promise<Workspace>
+  onCancel: () => void
+}
+
+const validationSchema = Yup.object({
+  name: Yup.string().required("Name is required"),
+})
+
+export const CreateWorkspaceForm: React.FC<CreateWorkspaceForm> = ({ project, onSubmit, onCancel }) => {
+  const styles = useStyles()
+
+  const form: FormikContextType<{ name: string }> = useFormik<{ name: string }>({
+    initialValues: {
+      name: "",
+    },
+    enableReinitialize: true,
+    validationSchema: validationSchema,
+    onSubmit: ({ name }) => {
+      return onSubmit({
+        project_id: project.id,
+        name: name,
+      })
+    },
+  })
+
+  return (
+    <div className={styles.root}>
+      <FormTitle
+        title="Create Workspace"
+        detail={
+          <span>
+            for project <strong>{project.name}</strong>
+          </span>
+        }
+      />
+      <FormSection title="Name">
+        <FormTextField
+          form={form}
+          formFieldName="name"
+          fullWidth
+          helperText="A unique name describing your workspace."
+          label="Workspace Name"
+          placeholder="my-workspace"
+          required
+        />
+      </FormSection>
+
+      <div className={styles.footer}>
+        <Button className={styles.button} onClick={onCancel} variant="outlined">
+          Cancel
+        </Button>
+        <LoadingButton
+          loading={form.isSubmitting}
+          className={styles.button}
+          onClick={form.submitForm}
+          variant="contained"
+          color="primary"
+          type="submit"
+        >
+          Submit
+        </LoadingButton>
+      </div>
+    </div>
+  )
+}
+
+const useStyles = makeStyles(() => ({
+  root: {
+    maxWidth: "1380px",
+    width: "100%",
+    display: "flex",
+    flexDirection: "column",
+    alignItems: "center",
+  },
+  footer: {
+    display: "flex",
+    flex: "0",
+    flexDirection: "row",
+    justifyContent: "center",
+    alignItems: "center",
+  },
+  button: {
+    margin: "1em",
+  },
+}))

site/pages/projects/[organization]/[project]/create.tsx

@@ -0,0 +1,56 @@
+import React from "react"
+import { makeStyles } from "@material-ui/core/styles"
+import { useRouter } from "next/router"
+import useSWR from "swr"
+
+import * as API from "../../../../api"
+import { useUser } from "../../../../contexts/UserContext"
+import { ErrorSummary } from "../../../../components/ErrorSummary"
+import { FullScreenLoader } from "../../../../components/Loader/FullScreenLoader"
+import { CreateWorkspaceForm } from "../../../../forms/CreateWorkspaceForm"
+
+const CreateWorkspacePage: React.FC = () => {
+  const router = useRouter()
+  const styles = useStyles()
+  const { me } = useUser(/* redirectOnError */ true)
+  const { organization, project: projectName } = router.query
+  const { data: project, error: projectError } = useSWR<API.Project, Error>(
+    `/api/v2/projects/${organization}/${projectName}`,
+  )
+
+  if (projectError) {
+    return <ErrorSummary error={projectError} />
+  }
+
+  if (!me || !project) {
+    return <FullScreenLoader />
+  }
+
+  const onCancel = async () => {
+    await router.push(`/projects/${organization}/${project}`)
+  }
+
+  const onSubmit = async (req: API.CreateWorkspaceRequest) => {
+    const workspace = await API.Workspace.create(req)
+    await router.push(`/workspaces/${workspace.id}`)
+    return workspace
+  }
+
+  return (
+    <div className={styles.root}>
+      <CreateWorkspaceForm onCancel={onCancel} onSubmit={onSubmit} project={project} />
+    </div>
+  )
+}
+
+const useStyles = makeStyles((theme) => ({
+  root: {
+    display: "flex",
+    flexDirection: "column",
+    alignItems: "center",
+    height: "100vh",
+    backgroundColor: theme.palette.background.paper,
+  },
+}))
+
+export default CreateWorkspacePage