From dadef993b08e7e3b4f6e5abcfd874831420f9bc2 Mon Sep 17 00:00:00 2001
From: Stefano Pigozzi <me@steffo.eu>
Date: Sun, 19 Sep 2021 17:33:48 +0200
Subject: [PATCH] =?UTF-8?q?=F0=9F=9A=A7=20Start=20work=20on=20the=20backen?=
 =?UTF-8?q?d-viewset=20hook?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 .idea/inspectionProfiles/Project_Default.xml  |   1 +
 frontend/src/components/GuestBox.tsx          |   2 +-
 frontend/src/components/LoginBox.tsx          |   2 +-
 frontend/src/components/LogoutBox.tsx         |   2 +-
 .../src/components/ResearchGroupListBox.tsx   |  29 ++
 .../components/ResearchGroupPanel.module.css  |  31 +++
 .../src/components/ResearchGroupPanel.tsx     |  51 ++++
 frontend/src/hooks/useBackendViewSet.ts       | 252 ++++++++++++++++++
 frontend/src/routes/Router.jsx                |   2 +
 .../src/routes/SelectResearchGroupPage.tsx    |  12 +
 10 files changed, 381 insertions(+), 3 deletions(-)
 create mode 100644 frontend/src/components/ResearchGroupListBox.tsx
 create mode 100644 frontend/src/components/ResearchGroupPanel.module.css
 create mode 100644 frontend/src/components/ResearchGroupPanel.tsx
 create mode 100644 frontend/src/hooks/useBackendViewSet.ts
 create mode 100644 frontend/src/routes/SelectResearchGroupPage.tsx

diff --git a/.idea/inspectionProfiles/Project_Default.xml b/.idea/inspectionProfiles/Project_Default.xml
index a9b267f..8fc0e61 100644
--- a/.idea/inspectionProfiles/Project_Default.xml
+++ b/.idea/inspectionProfiles/Project_Default.xml
@@ -1,6 +1,7 @@
 <component name="InspectionProjectProfileManager">
   <profile version="1.0">
     <option name="myName" value="Project Default" />
+    <inspection_tool class="CssUnresolvedCustomProperty" enabled="false" level="ERROR" enabled_by_default="false" />
     <inspection_tool class="HttpUrlsUsage" enabled="false" level="WEAK WARNING" enabled_by_default="false" />
     <inspection_tool class="InconsistentLineSeparators" enabled="true" level="WEAK WARNING" enabled_by_default="true" />
     <inspection_tool class="JupyterPackageInspection" enabled="true" level="ERROR" enabled_by_default="true" />
diff --git a/frontend/src/components/GuestBox.tsx b/frontend/src/components/GuestBox.tsx
index b546089..71c7932 100644
--- a/frontend/src/components/GuestBox.tsx
+++ b/frontend/src/components/GuestBox.tsx
@@ -62,7 +62,7 @@ export function GuestBox(): JSX.Element {
                     {statePanel}
                 </Form.Row>
                 <Form.Row>
-                    <Form.Button disabled={!canBrowse} onClick={async () => await navigate("/logged-in")}>
+                    <Form.Button disabled={!canBrowse} onClick={async () => await navigate("/g/")}>
                         Browse
                     </Form.Button>
                 </Form.Row>
diff --git a/frontend/src/components/LoginBox.tsx b/frontend/src/components/LoginBox.tsx
index 628d6d5..a539249 100644
--- a/frontend/src/components/LoginBox.tsx
+++ b/frontend/src/components/LoginBox.tsx
@@ -68,7 +68,7 @@ export function LoginBox(): JSX.Element {
                 return
             }
 
-            await navigate("/logged-in")
+            await navigate("/g/")
         },
         [abort, setAbort, username, password, login, setError]
     )
diff --git a/frontend/src/components/LogoutBox.tsx b/frontend/src/components/LogoutBox.tsx
index bb4c509..52d1529 100644
--- a/frontend/src/components/LogoutBox.tsx
+++ b/frontend/src/components/LogoutBox.tsx
@@ -32,7 +32,7 @@ export function LogoutBox(): JSX.Element {
                     <Form.Button onClick={login.logout}>
                         Logout
                     </Form.Button>
-                    <Form.Button onClick={() => navigate("/logged-in")}>
+                    <Form.Button onClick={() => navigate("/g/")}>
                         Continue to Sophon
                     </Form.Button>
                 </Form.Row>
diff --git a/frontend/src/components/ResearchGroupListBox.tsx b/frontend/src/components/ResearchGroupListBox.tsx
new file mode 100644
index 0000000..d3c1007
--- /dev/null
+++ b/frontend/src/components/ResearchGroupListBox.tsx
@@ -0,0 +1,29 @@
+import * as React from "react"
+import * as ReactDOM from "react-dom"
+import {useLoginAxios} from "./LoginContext";
+import {useMemo} from "react";
+import {Box, Heading} from "@steffo/bluelib-react";
+import {ResearchGroupPanel} from "./ResearchGroupPanel";
+
+
+interface ResearchGroupListBoxProps {
+
+}
+
+
+export function ResearchGroupListBox({}: ResearchGroupListBoxProps): JSX.Element {
+    const api = useLoginAxios()
+
+    return (
+        <Box>
+            <Heading level={3}>
+                Research groups
+            </Heading>
+            <div>
+                <ResearchGroupPanel/>
+                <ResearchGroupPanel/>
+                <ResearchGroupPanel/>
+            </div>
+        </Box>
+    )
+}
diff --git a/frontend/src/components/ResearchGroupPanel.module.css b/frontend/src/components/ResearchGroupPanel.module.css
new file mode 100644
index 0000000..c554a1e
--- /dev/null
+++ b/frontend/src/components/ResearchGroupPanel.module.css
@@ -0,0 +1,31 @@
+.Panel {
+    display: flex;
+    flex-direction: row;
+
+    align-items: center;
+    gap: 20px;
+}
+
+.Name {
+    font-size: larger;
+    font-weight: 600;
+    color: rgb(var(--bluelib-accent-r), var(--bluelib-accent-g), var(--bluelib-accent-b));
+}
+
+.Owner {
+
+}
+
+.Owner span {
+    font-weight: 500;
+    color: rgb(var(--bluelib-accent-r), var(--bluelib-accent-g), var(--bluelib-accent-b));
+}
+
+.Buttons {
+    flex-grow: 0;
+    margin-left: auto;
+}
+
+.Buttons button {
+    height: 38px !important;
+}
\ No newline at end of file
diff --git a/frontend/src/components/ResearchGroupPanel.tsx b/frontend/src/components/ResearchGroupPanel.tsx
new file mode 100644
index 0000000..2edf716
--- /dev/null
+++ b/frontend/src/components/ResearchGroupPanel.tsx
@@ -0,0 +1,51 @@
+import * as React from "react"
+import * as ReactDOM from "react-dom"
+import Style from "./ResearchGroupPanel.module.css"
+import {Panel, BringAttention as B, Button, Variable} from "@steffo/bluelib-react";
+import {FontAwesomeIcon} from "@fortawesome/react-fontawesome";
+import {faEnvelope, faEye, faGlobe, faQuestion} from "@fortawesome/free-solid-svg-icons";
+import {navigate} from "@reach/router";
+import {IconDefinition} from "@fortawesome/fontawesome-svg-core";
+
+
+export interface ResearchGroupPanelProps {
+    owner: number,
+    members: number[],
+    name: string,
+    description: string,
+    access: "OPEN" | "MANUAL",
+    slug: string,
+}
+
+
+export function ResearchGroupPanel({owner, name, access, slug}: ResearchGroupPanelProps): JSX.Element {
+    let accessIcon: IconDefinition
+    if(access === "OPEN") {
+        accessIcon = faGlobe
+    }
+    else if(access === "MANUAL") {
+        accessIcon = faEnvelope
+    }
+    else {
+        accessIcon = faQuestion
+    }
+
+    return (
+        <Panel className={Style.Panel}>
+            <div className={Style.Access}>
+                <FontAwesomeIcon icon={accessIcon}/>
+            </div>
+            <div className={Style.Name} title={slug}>
+                {name}
+            </div>
+            <div className={Style.Owner}>
+                Created by <span>{owner}</span>
+            </div>
+            <div className={Style.Buttons}>
+                <Button className={Style.ViewButton} onClick={() => navigate(`/g/${slug}/`)}>
+                    <FontAwesomeIcon icon={faEye}/>&nbsp;View
+                </Button>
+            </div>
+        </Panel>
+    )
+}
diff --git a/frontend/src/hooks/useBackendViewSet.ts b/frontend/src/hooks/useBackendViewSet.ts
new file mode 100644
index 0000000..657fd1a
--- /dev/null
+++ b/frontend/src/hooks/useBackendViewSet.ts
@@ -0,0 +1,252 @@
+import { useCallback, useEffect, useState } from "react"
+import {useLoginAxios} from "../components/LoginContext";
+
+
+/**
+ * Error thrown when trying to access a backend view which doesn't exist or isn't allowed in the used hook.
+ */
+export class ViewNotAllowedError extends Error {
+    view: string
+
+    constructor(view: string) {
+        super()
+
+        this.view = view
+    }
+}
+
+
+
+
+/**
+ * An hook which allows access to a full REST viewset (list, create, retrieve, edit, delete).
+ *
+ * @param resourcesPath - The path of the resource directory.
+ * @param pkName - The name of the primary key attribute of the elements.
+ * @param allowViews - An object with maps views to a boolean detailing if they're allowed in the viewset or not.
+ */
+export default function useBackendViewset(resourcesPath: string, pkName: string,
+                                          {
+                                              list: allowList = true,
+                                              create: allowCreate = true,
+                                              retrieve: allowRetrieve = true,
+                                              edit: allowEdit = true,
+                                              destroy: allowDestroy = true,
+                                              command: allowCommand = false,
+                                              action: allowAction = false,
+                                          } = {},
+) {
+    const api = useLoginAxios()
+
+    const [firstLoad, setFirstLoad] = useState<boolean>(false)
+    const [resources, setResources] = useState<any[]>([])
+    const [running, setRunning] = useState<boolean>(false)
+    const [error, setError] = useState<Error | null>(null)
+
+    const apiList = useCallback(
+        async (abort: AbortSignal) => {
+            if(!allowList) {
+                throw new ViewNotAllowedError("list")
+            }
+            return api.get(`${resourcesPath}`, {signal: abort})
+        },
+        [api, allowList, resourcesPath],
+    )
+
+    const apiRetrieve = useCallback(
+        async (id: string, abort: AbortSignal) => {
+            if(!allowRetrieve) {
+                throw new ViewNotAllowedError("retrieve")
+            }
+            return api.get(`${resourcesPath}${id}/`, {signal: abort})
+        },
+        [api, allowRetrieve, resourcesPath],
+    )
+
+    const apiCreate = useCallback(
+        async (data: any, abort: AbortSignal) => {
+            if(!allowCreate) {
+                throw new ViewNotAllowedError("create")
+            }
+            return api.post(`${resourcesPath}`, data, {signal: abort})
+        },
+        [api, allowCreate, resourcesPath],
+    )
+
+    const apiEdit = useCallback(
+        async (id: string, data: any, abort: AbortSignal) => {
+            if(!allowEdit) {
+                throw new ViewNotAllowedError("edit")
+            }
+            return api.put(`${resourcesPath}${id}/`, data, {signal: abort})
+        },
+        [api, allowEdit, resourcesPath],
+    )
+
+    const apiDestroy = useCallback(
+        async (id: string, abort: AbortSignal) => {
+            if(!allowDestroy) {
+                throw new ViewNotAllowedError("destroy")
+            }
+            return api.delete(`${resourcesPath}${id}/`, {signal: abort})
+        },
+        [api, allowDestroy, resourcesPath],
+    )
+
+    /*
+    const apiCommand = useCallback(
+        async (method, command, data, init) => {
+            if(!allowCommand) {
+                throw new ViewNotAllowedError("command")
+            }
+            return apiRequest(method, `${resourcesPath}${command}`, data, init)
+        },
+        [apiRequest, allowCommand, resourcesPath],
+    )
+
+    const apiAction = useCallback(
+        async (method, id, command, data, init) => {
+            if(!allowAction) {
+                throw new ViewNotAllowedError("action")
+            }
+            return apiRequest(method, `${resourcesPath}${id}/${command}`, data, init)
+        },
+        [apiRequest, allowAction, resourcesPath],
+    )
+     */
+
+    const listResources = useCallback(
+        async (abort: AbortSignal) => {
+            let res
+            try {
+                res = await apiList(abort)
+            }
+            catch(e) {
+                setError(e as Error)
+                return
+            }
+            setError(null)
+            setResources(res.data)
+        },
+        [apiList, setError, setResources],
+    )
+
+    const retrieveResource = useCallback(
+        async (pk: string, abort: AbortSignal) => {
+            let res: any
+            try {
+                res = await apiRetrieve(pk, abort)
+            }
+            catch(e) {
+                setError(e as Error)
+                return
+            }
+            setError(null)
+
+            setResources(r => r.map(resource => {
+                // @ts-ignore
+                if(resource[pkName] === pk) {
+                    return res.data
+                }
+                return resource
+            }))
+
+            return res
+        },
+        [apiRetrieve, setError, setResources, pkName],
+    )
+
+    const createResource = useCallback(
+        async (data: any, abort: AbortSignal) => {
+            let res: any
+            try {
+                res = await apiCreate(data, abort)
+            }
+            catch(e) {
+                setError(e as Error)
+                return
+            }
+            setError(null)
+
+            setResources(r => [...r, res])
+            return res
+        },
+        [apiCreate, setError, setResources],
+    )
+
+    const editResource = useCallback(
+        async (pk: string, data: any, abort: AbortSignal) => {
+            let res: any
+            try {
+                res = await apiEdit(pk, data, abort)
+            }
+            catch(e) {
+                setError(e as Error)
+                return
+            }
+            setError(null)
+
+            setResources(r => r.map(resource => {
+                if(resource[pkName] === pk) {
+                    return res
+                }
+                return resource
+            }))
+            return res
+        },
+        [apiEdit, setError, setResources, pkName],
+    )
+
+    const destroyResource = useCallback(
+        async (pk: string, abort: AbortSignal) => {
+            try {
+                await apiDestroy(pk, abort)
+            }
+            catch(e) {
+                setError(e as Error)
+                return
+            }
+            setError(null)
+
+            setResources(r => r.filter(resource => resource[pkName] !== pk))
+            return null
+        },
+        [apiDestroy, setError, setResources, pkName],
+    )
+
+    useEffect(
+        () => {
+            if(allowList && !firstLoad && !running) {
+                listResources().then(() => setFirstLoad(true))
+
+            }
+        },
+        [listResources, firstLoad, running, allowList],
+    )
+
+    return {
+        abort,
+        resources,
+        firstLoad,
+        running,
+        error,
+        apiRequest,
+        allowList,
+        apiList,
+        listResources,
+        allowRetrieve,
+        apiRetrieve,
+        retrieveResource,
+        allowCreate,
+        apiCreate,
+        createResource,
+        allowEdit,
+        apiEdit,
+        editResource,
+        allowDestroy,
+        apiDestroy,
+        destroyResource,
+        apiCommand,
+        apiAction,
+    }
+}
\ No newline at end of file
diff --git a/frontend/src/routes/Router.jsx b/frontend/src/routes/Router.jsx
index 3473e27..b54bdcf 100644
--- a/frontend/src/routes/Router.jsx
+++ b/frontend/src/routes/Router.jsx
@@ -2,6 +2,7 @@ import * as React from "react"
 import * as Reach from "@reach/router"
 import { LoginPage } from "./LoginPage"
 import { Heading } from "@steffo/bluelib-react"
+import { SelectResearchGroupPage } from "./SelectResearchGroupPage"
 
 
 export function Router() {
@@ -11,6 +12,7 @@ export function Router() {
         </Heading>
         <Reach.Router>
             <LoginPage path={"/"}/>
+            <SelectResearchGroupPage path={"/g/"}/>
         </Reach.Router>
     </>
 }
diff --git a/frontend/src/routes/SelectResearchGroupPage.tsx b/frontend/src/routes/SelectResearchGroupPage.tsx
new file mode 100644
index 0000000..a6ca24d
--- /dev/null
+++ b/frontend/src/routes/SelectResearchGroupPage.tsx
@@ -0,0 +1,12 @@
+import * as React from "react"
+import * as ReactDOM from "react-dom"
+import {ResearchGroupListBox} from "../components/ResearchGroupListBox";
+
+
+export function SelectResearchGroupPage(): JSX.Element {
+    return (
+        <div>
+            <ResearchGroupListBox/>
+        </div>
+    )
+}