Allow to star maps and retrieve starred maps

umap/migrations/0009_star.py

@@ -0,0 +1,25 @@
+# Generated by Django 4.1.7 on 2023-05-05 18:02
+
+from django.conf import settings
+from django.db import migrations, models
+import django.db.models.deletion
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        migrations.swappable_dependency(settings.AUTH_USER_MODEL),
+        ('umap', '0008_alter_map_settings'),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='Star',
+            fields=[
+                ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('at', models.DateTimeField(auto_now=True)),
+                ('by', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='stars', to=settings.AUTH_USER_MODEL)),
+                ('map', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to='umap.map')),
+            ],
+        ),
+    ]

umap/models.py

@@ -349,3 +349,9 @@ def purge_old_versions(self):
                     self.geojson.storage.delete(path)
                 except FileNotFoundError:
                     pass
+
+
+class Star(models.Model):
+    at = models.DateTimeField(auto_now=True)
+    map = models.ForeignKey(Map, on_delete=models.CASCADE)
+    by = models.ForeignKey(settings.AUTH_USER_MODEL, related_name="stars", on_delete=models.CASCADE)

umap/static/umap/js/umap.controls.js

@@ -1018,6 +1018,28 @@ L.U.AttributionControl = L.Control.Attribution.extend({
   },
 })
 
+L.U.StarControl = L.Control.extend({
+  options: {
+    position: 'topleft',
+  },
+
+  onAdd: function (map) {
+    var status = map.options.starred ? ' starred' : ''
+    var container = L.DomUtil.create(
+        'div',
+        'leaflet-control-star umap-control' + status
+      ),
+      link = L.DomUtil.create('a', '', container)
+    link.href = '#'
+    link.title = L._('Star this map')
+    L.DomEvent.on(link, 'click', L.DomEvent.stop)
+      .on(link, 'click', map.star, map)
+      .on(link, 'dblclick', L.DomEvent.stopPropagation)
+
+    return container
+  },
+})
+
 L.U.Search = L.PhotonSearch.extend({
   initialize: function (map, input, options) {
     L.PhotonSearch.prototype.initialize.call(this, map, input, options)

umap/static/umap/js/umap.forms.js

@@ -1060,6 +1060,10 @@ L.U.FormBuilder = L.FormBuilder.extend({
       handler: 'DataLayersControl',
       label: L._('Display the data layers control'),
     },
+    starControl: {
+      handler: 'ControlChoice',
+      label: L._('Display the star map button'),
+    },
   },
 
   initialize: function (obj, fields, options) {

umap/static/umap/js/umap.js

@@ -60,6 +60,7 @@ L.U.Map.include({
     'tilelayers',
     'editinosm',
     'datalayers',
+    'star',
   ],
 
   initialize: function (el, geojson) {
@@ -309,6 +310,7 @@ L.U.Map.include({
     this._controls.search = new L.U.SearchControl()
     this._controls.embed = new L.Control.Embed(this, this.options.embedOptions)
     this._controls.tilelayers = new L.U.TileLayerControl(this)
+    this._controls.star = new L.U.StarControl(this)
     this._controls.editinosm = new L.Control.EditInOSM({
       position: 'topleft',
       widgetOptions: {
@@ -1283,6 +1285,7 @@ L.U.Map.include({
     'embedControl',
     'measureControl',
     'tilelayersControl',
+    'starControl',
     'easing',
   ],
 
@@ -1369,6 +1372,28 @@ L.U.Map.include({
     return (this.options.umap_id && this.getEditUrl()) || this.getCreateUrl()
   },
 
+  star: function () {
+    if (!this.options.umap_id)
+      return this.ui.alert({
+        content: L._('Please save the map first'),
+        level: 'error',
+      })
+    let url = L.Util.template(this.options.urls.map_star, {
+      map_id: this.options.umap_id,
+    })
+    this.post(url, {
+      context: this,
+      callback: function (data) {
+        this.options.starred = data.starred
+        let msg = data.starred
+          ? L._('Map has been starred')
+          : L._('Map has been unstarred')
+        this.ui.alert({ content: msg, level: 'info' })
+        this.renderControls()
+      },
+    })
+  },
+
   geometry: function () {
     /* Return a GeoJSON geometry Object */
     var latlng = this.latLng(this.options.center || this.getCenter())

umap/static/umap/map.css

@@ -88,6 +88,12 @@ a.umap-control-less {
     background-position: -80px -161px;
     box-shadow: 0 0 4px 0 black inset;
 }
+.leaflet-control-star a {
+    background-position: -118px -160px;
+}
+.leaflet-control-star.starred a {
+    background-position: -158px -160px;
+}
 .leaflet-control-search a {
     background-position: -41px -121px;
     display: block;

umap/templates/auth/user_stars.html

@@ -0,0 +1,20 @@
+{% extends "umap/content.html" %}
+
+{% load i18n %}
+
+{% block maincontent %}
+<div class="col wide">
+  <h2 class="section">{% blocktrans %}Browse {{ current_user }}'s starred maps{% endblocktrans %}</h2>
+</div>
+<div class="wrapper">
+<div class="map_list row">
+  {% if maps %}
+    {% include "umap/map_list.html" %}
+  {% else %}
+    <div>
+      {% blocktrans %}{{ current_user }} has no starred maps yet.{% endblocktrans %}
+    </div>
+  {% endif %}
+</div>
+</div>
+{% endblock maincontent %}

umap/templates/umap/navigation.html

@@ -8,6 +8,7 @@ <h1><a href="/">{{ title }}</a></h1>
     <ul>
       {% if user.is_authenticated %}
         <li><a href="{% url 'user_maps' user.username %}">{% trans "My maps" %} ({{ user }})</a></li>
+        <li><a href="{% url 'user_stars' user.username %}">{% trans "Starred maps" %}</a></li>
       {% else %}
         <li><a href="{% url 'login' %}" class="login">{% trans "Log in" %} / {% trans "Sign in" %}</a></li>
       {% endif %}

umap/tests/test_map_views.py

@@ -5,7 +5,7 @@
 from django.urls import reverse
 
 from django.core.signing import Signer
-from umap.models import DataLayer, Map
+from umap.models import DataLayer, Map, Star
 
 from .base import login_required
 
@@ -539,3 +539,33 @@ def test_search(client, map):
     url = reverse("search")
     response = client.get(url + "?q=Blé")
     assert "Blé dur" in response.content.decode()
+
+
+def test_authenticated_user_can_star_map(client, map, user):
+    url = reverse('map_star', args=(map.pk,))
+    client.login(username=user.username, password="123123")
+    assert Star.objects.filter(by=user).count() == 0
+    response = client.post(url)
+    assert response.status_code == 200
+    assert Star.objects.filter(by=user).count() == 1
+
+
+def test_anonymous_cannot_star_map(client, map):
+    url = reverse('map_star', args=(map.pk,))
+    assert Star.objects.count() == 0
+    response = client.post(url)
+    assert response.status_code == 302
+    assert "login" in response["Location"]
+    assert Star.objects.count() == 0
+
+
+def test_user_can_see_their_star(client, map, user):
+    url = reverse('map_star', args=(map.pk,))
+    client.login(username=user.username, password="123123")
+    assert Star.objects.filter(by=user).count() == 0
+    response = client.post(url)
+    assert response.status_code == 200
+    url = reverse('user_stars', args=(user.username,))
+    response = client.get(url)
+    assert response.status_code == 200
+    assert map.name in response.content.decode()

umap/urls.py

@@ -4,6 +4,7 @@
 from django.conf.urls.static import static
 from django.contrib import admin
 from django.contrib.auth import views as auth_views
+from django.contrib.auth.decorators import login_required
 from django.contrib.staticfiles.urls import staticfiles_urlpatterns
 from django.views.decorators.cache import cache_control, cache_page, never_cache
 from django.views.decorators.csrf import ensure_csrf_cookie
@@ -92,6 +93,14 @@
     [login_required_if_not_anonymous_allowed, never_cache],
     re_path(r"^map/create/$", views.MapCreate.as_view(), name="map_create"),
 )
+i18n_urls += decorated_patterns(
+    [login_required],
+    re_path(
+        r'^map/(?P<map_id>[\d]+)/star/$',
+        views.ToggleMapStarStatus.as_view(),
+        name='map_star'
+    ),
+)
 i18n_urls += decorated_patterns(
     [map_permissions_check, never_cache],
     re_path(
@@ -142,6 +151,7 @@
     ),
     re_path(r"^search/$", views.search, name="search"),
     re_path(r"^about/$", views.about, name="about"),
+    re_path(r"^user/(?P<username>.+)/stars/$", views.user_stars, name='user_stars'),
     re_path(r"^user/(?P<username>.+)/$", views.user_maps, name="user_maps"),
     re_path(r"", include(i18n_urls)),
 )