Streamline delete process for all deletable items

internal/webserver/controller/document/delete.go

@@ -9,11 +9,11 @@ import (
 )
 
 func (d *Controller) Delete(c *fiber.Ctx) error {
-	if c.FormValue("slug") == "" {
+	if c.FormValue("id") == "" {
 		return fiber.ErrBadRequest
 	}
 
-	document, err := d.idx.Document(c.FormValue("slug"))
+	document, err := d.idx.Document(c.FormValue("id"))
 	if err != nil {
 		fmt.Println(err)
 		return fiber.ErrBadRequest

internal/webserver/controller/user/delete.go

@@ -7,7 +7,7 @@ import (
 
 // Delete removes a user from the database
 func (u *Controller) Delete(c *fiber.Ctx) error {
-	user, err := u.repository.FindByUuid(c.FormValue("uuid"))
+	user, err := u.repository.FindByUuid(c.FormValue("id"))
 	if err != nil {
 		return fiber.ErrInternalServerError
 	}
@@ -20,7 +20,7 @@ func (u *Controller) Delete(c *fiber.Ctx) error {
 		return fiber.ErrForbidden
 	}
 
-	if err = u.repository.Delete(c.FormValue("uuid")); err != nil {
+	if err = u.repository.Delete(c.FormValue("id")); err != nil {
 		return fiber.ErrInternalServerError
 	}
 

internal/webserver/embedded/js/delete.js

@@ -1,41 +1,50 @@
-const deleteModal = document.getElementById('deleteModal');
+"use strict"
+
+// We use several conventions to be able to use the same code to delete different resources.
+// The link that initiates the action needs to have an attribute called data-id which must contain an unique identifier
+// for the resource to delete.
+// This identifier well be sent to the backend controller specified in the form's action attribute
+// under the name "id".
+// This code is designed to be used alongside partials/delete-modal.html
+
+const deleteModal = document.getElementById('delete-modal');
+const deleteForm = document.getElementById('delete-form');
 
 deleteModal.addEventListener('show.bs.modal', event => {
-    const link = event.relatedTarget;
-    const slug = link.getAttribute('data-bs-slug');
-    const modalInputSlug = deleteModal.querySelector('.slug');
+    const link = event.relatedTarget
+    const id = link.getAttribute('data-id')
+    const modalInput = deleteModal.querySelector('.id')
 
-    modalInputSlug.value = slug;
+    modalInput.value = id;
 })
 
 deleteModal.addEventListener('hidden.bs.modal', event => {
-    let message = document.getElementById('delete-document-message');
+    let message = document.getElementById('error-message-container');
     message.classList.add("visually-hidden");
 })
 
-function remove(errorMessage) {
+deleteForm.addEventListener('submit', event => {
     event.preventDefault();
-    form = document.getElementById("delete-form");
-    fetch('/document', {
+    fetch(deleteForm.getAttribute("action"), {
         method: "DELETE",
         headers: {
             'Content-Type': 'application/x-www-form-urlencoded'
         },
         body: new URLSearchParams({
-            'slug': form.elements['slug'].value,        
+            'id': deleteForm.elements['id'].value,        
         })
     })
     .then((response) => {
         if (response.ok) {
             location.reload();
         } else {
-            message = document.getElementById("delete-document-message")
+            message = document.getElementById("error-message-container")
             message.classList.remove("visually-hidden");
-            message.innerHTML = errorMessage;
+            message.innerHTML = deleteForm.getAttribute("data-error-message");
         }
     })
     .catch(function (error) {
         // Catch errors
         console.log(error);
     });
-}
+})

internal/webserver/embedded/views/highlights.html

@@ -12,6 +12,3 @@ <h1 class="text-center">{{t .Lang "%s highlights" .Session.Name}}</h1>
 {{ $length := len .Paginator.Pages }} {{ if gt $length 1 }}
 {{template "partials/pagination" .}}
 {{end}}
-
-{{template "partials/delete-modal" .}}
-

internal/webserver/embedded/views/index.html

@@ -30,13 +30,13 @@ <h2>{{t .Lang "Your highlights" }}</h2>
                                     {{t $lang "Actions"}}
                                 </button>
                                 {{ template "partials/actions" dict "Lang" $lang "Document" $doc "EmailSendingConfigured"
-                                $emailSendingConfigured "Index" $i "Session" $session "EmailFrom" $emailFrom "OnDehighlight" "remove"}}
+                                $emailSendingConfigured "Session" $session "EmailFrom" $emailFrom "OnDehighlight" "remove"}}
                             </div>                        
                         </div>
                     </div>
                     {{end}}
                 </div>
-                {{template "partials/delete-modal" .}}
+                {{template "partials/delete-modal" dict "Lang" .Lang "Action" "/document" "ModalHeader" "Delete document" "ModalBody" "Are you sure you want to delete this document?" "ModalErrorMessage" "There was an error deleting the document"}}
 
                 <script type="text/javascript" src="/js/delete.js"></script>
                 <script type="text/javascript" src="/js/actions.js"></script>

internal/webserver/embedded/views/partials/actions.html

@@ -69,7 +69,7 @@
     {{end}}
     {{if and .Session (eq .Session.Role 2)}}
     <div class="dropdown-divider"></div>
-    <li><a href="#" data-bs-toggle="modal" data-bs-target="#deleteModal" data-bs-slug="{{.Document.Slug}}" data-bs-index="{{.Index}}" class="dropdown-item">
+    <li><a href="#" data-bs-toggle="modal" data-bs-target="#delete-modal" data-id="{{.Document.Slug}}" class="dropdown-item">
         <svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="currentColor" class="bi bi-trash3-fill" viewBox="0 0 16 16">
             <path d="M11 1.5v1h3.5a.5.5 0 0 1 0 1h-.538l-.853 10.66A2 2 0 0 1 11.115 16h-6.23a2 2 0 0 1-1.994-1.84L2.038 3.5H1.5a.5.5 0 0 1 0-1H5v-1A1.5 1.5 0 0 1 6.5 0h3A1.5 1.5 0 0 1 11 1.5Zm-5 0v1h4v-1a.5.5 0 0 0-.5-.5h-3a.5.5 0 0 0-.5.5ZM4.5 5.029l.5 8.5a.5.5 0 1 0 .998-.06l-.5-8.5a.5.5 0 1 0-.998.06Zm6.53-.528a.5.5 0 0 0-.528.47l-.5 8.5a.5.5 0 0 0 .998.058l.5-8.5a.5.5 0 0 0-.47-.528ZM8 4.5a.5.5 0 0 0-.5.5v8.5a.5.5 0 0 0 1 0V5a.5.5 0 0 0-.5-.5Z"/>
         </svg>

internal/webserver/embedded/views/partials/delete-modal.html

@@ -1,23 +1,23 @@
-<div class="modal fade" id="deleteModal" tabindex="-1" aria-labelledby="deleteModal" aria-hidden="true">
+<div class="modal fade" id="delete-modal" tabindex="-1" aria-labelledby="delete-modal" aria-hidden="true">
     <div class="modal-dialog">
         <div class="modal-content">
-            <form method="post" action="/delete" onsubmit='remove({{t .Lang "There was an error deleting the document"}})' id="delete-form">
+            <form action="{{.Action}}" data-error-message='{{t .Lang .ModalErrorMessage}}' id="delete-form">
                 <div class="modal-header">
-                    <h1 class="modal-title fs-5" id="deleteModalLabel">{{t .Lang "Delete document"}}</h1>
+                    <h1 class="modal-title fs-5" id="delete-modal-label">{{t .Lang .ModalHeader}}</h1>
                     <button type="button" class="btn-close" data-bs-dismiss="modal" aria-label="Close"></button>
                 </div>
                 <div class="modal-body">
-                    <div class="alert alert-danger visually-hidden" role="alert" id="delete-document-message">
+                    <div class="alert alert-danger visually-hidden" role="alert" id="error-message-container">
                     </div>
-                    <p>{{ t .Lang "Are you sure you want to delete this document?"}}</p>
+                    <p>{{ t .Lang .ModalBody}}</p>
                     <p>{{ t .Lang "This action cannot be undone"}}</p>
                 </div>
                 <div class="modal-footer">
                     <button type="button" class="btn btn-secondary" data-bs-dismiss="modal">{{t .Lang
                         "Cancel"}}</button>
                     <button type="submit" class="btn btn-primary">{{t .Lang "Delete"}}</button>
                 </div>
-                <input type="hidden" name="slug" value="" class="slug">
+                <input type="hidden" name="id" value="" class="id">
             </form>
         </div>
     </div>

internal/webserver/embedded/views/partials/docs-list.html

@@ -41,7 +41,7 @@ <h4 class="text-start">
                                 {{t $lang "Actions"}}
                             </button>
                             {{ template "partials/actions" dict "Lang" $lang "Document" $document "EmailSendingConfigured"
-                            $emailSendingConfigured "Index" $i "Session" $session "EmailFrom" $emailFrom "OnDehighlight" "remove"}}
+                            $emailSendingConfigured "Session" $session "EmailFrom" $emailFrom "OnDehighlight" "remove"}}
                         </div>
                     </div>
                 </div>
@@ -91,7 +91,7 @@ <h5>{{t $lang "Unknown author"}}</h5>
     {{end}} {{end}}
 </div>
 
-{{template "partials/delete-modal" .}}
+{{template "partials/delete-modal" dict "Lang" $lang "Action" "/document" "ModalHeader" "Delete document" "ModalBody" "Are you sure you want to delete this document?" "ModalErrorMessage" "There was an error deleting the document"}}
 
 <script type="text/javascript" src="/js/delete.js"></script>
 <script type="text/javascript" src="/js/actions.js"></script>

internal/webserver/embedded/views/users/index.html

@@ -26,7 +26,7 @@ <h2>{{t $lang "Users"}}</h2>
             {{end}}
         </div>
         {{ if not (and (eq $admins 1) (eq $user.Role 2)) }}
-        <a href="#" data-bs-toggle="modal" data-bs-target="#deleteModal" data-bs-uuid="{{$user.Uuid}}">
+        <a href="#" data-bs-toggle="modal" data-bs-target="#delete-modal" data-id="{{$user.Uuid}}">
             <svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="currentColor" class="bi bi-trash3-fill" viewBox="0 0 16 16">
                 <path d="M11 1.5v1h3.5a.5.5 0 0 1 0 1h-.538l-.853 10.66A2 2 0 0 1 11.115 16h-6.23a2 2 0 0 1-1.994-1.84L2.038 3.5H1.5a.5.5 0 0 1 0-1H5v-1A1.5 1.5 0 0 1 6.5 0h3A1.5 1.5 0 0 1 11 1.5Zm-5 0v1h4v-1a.5.5 0 0 0-.5-.5h-3a.5.5 0 0 0-.5.5ZM4.5 5.029l.5 8.5a.5.5 0 1 0 .998-.06l-.5-8.5a.5.5 0 1 0-.998.06Zm6.53-.528a.5.5 0 0 0-.528.47l-.5 8.5a.5.5 0 0 0 .998.058l.5-8.5a.5.5 0 0 0-.47-.528ZM8 4.5a.5.5 0 0 0-.5.5v8.5a.5.5 0 0 0 1 0V5a.5.5 0 0 0-.5-.5Z"/>
             </svg>
@@ -40,65 +40,6 @@ <h2>{{t $lang "Users"}}</h2>
 {{template "partials/pagination" .}}
 {{end}}
 
-<div class="modal fade" id="deleteModal" tabindex="-1" aria-labelledby="deleteModal" aria-hidden="true">
-    <div class="modal-dialog">
-        <div class="modal-content">
-            <form method="post" action="/users/delete" onsubmit='remove({{t .Lang "There was an error deleting the user, please try again later"}})' id="delete-form">
-                <div class="modal-header">
-                    <h1 class="modal-title fs-5" id="deleteModalLabel">{{t $lang "Delete user"}}</h1>
-                    <button type="button" class="btn-close" data-bs-dismiss="modal" aria-label="Close"></button>
-                </div>
-                <div class="modal-body">
-                    <div class="alert alert-danger visually-hidden" role="alert" id="delete-user-message">
-                    </div>
-                    {{t $lang "Are you sure you want to delete this user?"}}
-                </div>
-                <div class="modal-footer">
-                    <button type="button" class="btn btn-secondary" data-bs-dismiss="modal">{{t $lang
-                        "Cancel"}}</button>
-                    <button type="submit" class="btn btn-primary">{{t $lang "Delete"}}</button>
-                </div>
-                <input type="hidden" name="uuid" value="" class="uuid">
-            </form>
-        </div>
-    </div>
-</div>
-
-
-<script type="text/javascript">
-    const deleteModal = document.getElementById('deleteModal')
-    deleteModal.addEventListener('show.bs.modal', event => {
-        const link = event.relatedTarget
-        const uuid = link.getAttribute('data-bs-uuid')
-        const modalInput = deleteModal.querySelector('.uuid')
-
-        modalInput.value = uuid;
-    })
+{{template "partials/delete-modal" dict "Lang" $lang "Action" "/users" "ModalHeader" "Delete user" "ModalBody" "Are you sure you want to delete this user?" "ModalErrorMessage" "There was an error deleting the user, try again later"}}
 
-    function remove(errorMessage) {
-        event.preventDefault();
-        form = document.getElementById("delete-form");
-        fetch('/users', {
-            method: "DELETE",
-            headers: {
-                'Content-Type': 'application/x-www-form-urlencoded'
-            },
-            body: new URLSearchParams({
-                'uuid': form.elements['uuid'].value,        
-            })
-        })
-        .then((response) => {
-            if (response.ok) {
-                location.reload();
-            } else {
-                message = document.getElementById("delete-user-message")
-                message.classList.remove("visually-hidden");
-                message.innerHTML = errorMessage;
-            }
-        })
-        .catch(function (error) {
-            // Catch errors
-            console.log(error);
-        });
-    }
-</script>
+<script type="text/javascript" src="/js/delete.js"></script>

internal/webserver/highlights_test.go

@@ -110,6 +110,10 @@ func TestHighlights(t *testing.T) {
 			t.Fatalf("Unexpected error: %v", err.Error())
 		}
 
+		data = url.Values{
+			"id": {"john-doe-test-epub"},
+		}
+
 		_, err = deleteRequest(data, adminCookie, app, "/document")
 		if err != nil {
 			t.Fatalf("Unexpected error: %v", err.Error())
@@ -148,7 +152,7 @@ func TestHighlights(t *testing.T) {
 		}
 
 		data := url.Values{
-			"uuid": {regularUser.Uuid},
+			"id": {regularUser.Uuid},
 		}
 
 		_, err = deleteRequest(data, adminCookie, app, "/users")

internal/webserver/search_test.go

@@ -155,7 +155,7 @@ func TestRemoveDocument(t *testing.T) {
 			)
 
 			data := url.Values{
-				"slug": {tcase.slug},
+				"id": {tcase.slug},
 			}
 
 			cookie, err := login(app, tcase.email, tcase.password)

internal/webserver/user_management_test.go

@@ -226,7 +226,7 @@ func TestUserManagement(t *testing.T) {
 	})
 
 	data = url.Values{
-		"uuid": {testUser.Uuid},
+		"id": {testUser.Uuid},
 	}
 
 	t.Run("Try to delete a user without an active session", func(t *testing.T) {
@@ -264,7 +264,7 @@ func TestUserManagement(t *testing.T) {
 
 	t.Run("Try to delete the only existing admin user", func(t *testing.T) {
 		data = url.Values{
-			"uuid": {adminUser.Uuid},
+			"id": {adminUser.Uuid},
 		}
 		response, err := deleteRequest(data, adminCookie, app, "/users")
 		if response == nil {
@@ -276,7 +276,7 @@ func TestUserManagement(t *testing.T) {
 
 	t.Run("Try to delete a non existing user with an admin session", func(t *testing.T) {
 		data = url.Values{
-			"uuid": {"abcde"},
+			"id": {"abcde"},
 		}
 
 		response, err := deleteRequest(data, adminCookie, app, "/users")