From 5fbd5af348cb3352f050fb7ba6ec69a8064c27a0 Mon Sep 17 00:00:00 2001
From: Pierre-Olivier Mercier <nemunaire@nemunai.re>
Date: Sun, 1 May 2022 11:18:08 +0200
Subject: [PATCH] admin: Display student needing help on home page

---
 help.go                    | 24 ++++++++++++++++++++++++
 ui/src/lib/users.js        |  9 +++++++++
 ui/src/routes/index.svelte | 21 +++++++++++++++++++++
 3 files changed, 54 insertions(+)

diff --git a/help.go b/help.go
index fd891af..654f254 100644
--- a/help.go
+++ b/help.go
@@ -7,6 +7,9 @@ import (
 )
 
 func init() {
+	router.GET("/api/help", apiAuthHandler(func(u *User, ps httprouter.Params, body []byte) HTTPResponse {
+		return formatApiResponse(getNeedHelps())
+	}, adminRestricted))
 	router.POST("/api/help", apiAuthHandler(func(u *User, ps httprouter.Params, body []byte) HTTPResponse {
 		return formatApiResponse(u.NewNeedHelp())
 	}, loggedUser))
@@ -20,6 +23,27 @@ type NeedHelp struct {
 	DateTreated *time.Time `json:"treated,omitempty"`
 }
 
+func getNeedHelps() (nh []NeedHelp, err error) {
+	if rows, errr := DBQuery("SELECT id_need_help, id_user, date, comment, date_treated FROM user_need_help"); errr != nil {
+		return nil, errr
+	} else {
+		defer rows.Close()
+
+		for rows.Next() {
+			var n NeedHelp
+			if err = rows.Scan(&n.Id, &n.IdUser, &n.Date, &n.Comment, &n.DateTreated); err != nil {
+				return
+			}
+			nh = append(nh, n)
+		}
+		if err = rows.Err(); err != nil {
+			return
+		}
+
+		return
+	}
+}
+
 func (u *User) NewNeedHelp() (NeedHelp, error) {
 	if res, err := DBExec("INSERT INTO user_need_help (id_user, comment) VALUES (?, ?)", u.Id, ""); err != nil {
 		return NeedHelp{}, err
diff --git a/ui/src/lib/users.js b/ui/src/lib/users.js
index 51847e2..16eca87 100644
--- a/ui/src/lib/users.js
+++ b/ui/src/lib/users.js
@@ -51,6 +51,15 @@ export async function getUserScore(uid, survey) {
   }
 }
 
+export async function getUserNeedingHelp() {
+  const res = await fetch(`api/help`, {headers: {'Accept': 'application/json'}})
+  if (res.status == 200) {
+    return await res.json();
+  } else {
+    throw new Error((await res.json()).errmsg);
+  }
+}
+
 export async function getScore(survey) {
   const res = await fetch(`api/surveys/${survey.id}/score`, {headers: {'Accept': 'application/json'}})
   if (res.status == 200) {
diff --git a/ui/src/routes/index.svelte b/ui/src/routes/index.svelte
index 51dadce..f2090f0 100644
--- a/ui/src/routes/index.svelte
+++ b/ui/src/routes/index.svelte
@@ -1,5 +1,6 @@
 <script lang="ts">
  import { user } from '../stores/user';
+ import { getUser, getUserNeedingHelp } from '../lib/users';
  import SurveyList from '../components/SurveyList.svelte';
  import ValidateSubmissions from '../components/ValidateSubmissions.svelte';
 
@@ -37,6 +38,26 @@
 
             <ValidateSubmissions />
 
+            {#if $user.is_admin}
+                <p class="lead">Demande d'aide&nbsp;:</p>
+                {#await getUserNeedingHelp()}
+                    <span class="spinner-border spinner-border" role="status" aria-hidden="true"></span>
+                {:then nhs}
+                    <ul style="columns: 2">
+                        {#each nhs as user (user.id)}
+                            <li>
+                                {#await getUser(nhs.id_user)}
+                                    <span class="spinner-border spinner-border-sm" role="status" aria-hidden="true"></span>
+                                {:then u}
+                                    <a href="users/{u.id}">{u.login}</a>
+                                {/await}
+                                ({user.date})
+                            </li>
+                        {/each}
+                    </ul>
+                {/await}
+            {/if}
+
             <p class="lead">Voici la liste des questionnaires&nbsp;:</p>
         {:else}
             <p class="card-text lead">