From 19cb670cec868d8f4e77dd56f658549b9111fe62 Mon Sep 17 00:00:00 2001
From: Thomas Citharel <tcit@tcit.fr>
Date: Wed, 20 Nov 2019 13:49:57 +0100
Subject: [PATCH] Disable address autocomplete where required (nominatim)

Signed-off-by: Thomas Citharel <tcit@tcit.fr>
---
 config/config.exs                             |   8 ++
 config/dev.exs                                |   2 +-
 docs/administration/configure/geocoders.md    |  13 ++-
 .../components/Event/AddressAutoComplete.vue  |  57 +++++++---
 js/src/components/Map.vue                     |  17 ++-
 js/src/graphql/config.ts                      |  10 ++
 js/src/types/config.model.ts                  |  10 ++
 js/yarn.lock                                  | 102 +++++++++---------
 lib/mobilizon/config.ex                       |  15 +++
 lib/mobilizon_web/resolvers/config.ex         |  12 ++-
 lib/mobilizon_web/schema/config.ex            |  16 +++
 lib/service/geospatial/addok.ex               |   4 +
 lib/service/geospatial/mimirsbrunn.ex         |   4 +
 lib/service/geospatial/nominatim.ex           |   4 +
 lib/service/geospatial/pelias.ex              |   4 +
 lib/service/geospatial/photon.ex              |   4 +
 schema.graphql                                |  18 +++-
 17 files changed, 220 insertions(+), 80 deletions(-)

diff --git a/config/config.exs b/config/config.exs
index 0424a0342..9682b34c3 100644
--- a/config/config.exs
+++ b/config/config.exs
@@ -143,6 +143,14 @@ config :mobilizon, Mobilizon.Service.Geospatial.Mimirsbrunn,
 config :mobilizon, Mobilizon.Service.Geospatial.Pelias,
   endpoint: System.get_env("GEOSPATIAL_PELIAS_ENDPOINT") || nil
 
+config :mobilizon, :maps,
+  tiles: [
+    endpoint:
+      System.get_env("MAPS_TILES_ENDPOINT") ||
+        "https://{s}.tile.openstreetmap.org/{z}/{x}/{y}.png",
+    attribution: System.get_env("MAPS_TILES_ATTRIBUTION")
+  ]
+
 config :mobilizon, Oban,
   repo: Mobilizon.Storage.Repo,
   prune: {:maxlen, 10_000},
diff --git a/config/dev.exs b/config/dev.exs
index ac5f5a921..8b9d4f621 100644
--- a/config/dev.exs
+++ b/config/dev.exs
@@ -52,7 +52,7 @@ config :mobilizon, MobilizonWeb.Endpoint,
 # Do not include metadata nor timestamps in development logs
 config :logger, :console, format: "[$level] $message\n", level: :debug
 
-config :mobilizon, Mobilizon.Service.Geospatial, service: Mobilizon.Service.Geospatial.Nominatim
+config :mobilizon, Mobilizon.Service.Geospatial, service: Mobilizon.Service.Geospatial.Mimirsbrunn
 
 # Set a higher stacktrace during development. Avoid configuring such
 # in production as building large stacktraces may be expensive.
diff --git a/docs/administration/configure/geocoders.md b/docs/administration/configure/geocoders.md
index ee9349eaf..3f636ed84 100644
--- a/docs/administration/configure/geocoders.md
+++ b/docs/administration/configure/geocoders.md
@@ -7,8 +7,8 @@ This is needed to set correct address for events, and more easily find events wi
 
 However, providing a geocoding service is quite expensive, especially if you want to cover the whole Earth.
 
-!!!note
-    To give an idea of what hardware is required to self-host a geocoding service, we successfully used Addok, Pelias and Mimirsbrunn on a 8 core/16GB RAM machine without any issues **on French data**.
+!!! note "Hardware setup"
+    To give an idea of what hardware is required to self-host a geocoding service, we successfully installed and used [Addok](#addok), [Pelias](#pelias) and [Mimirsbrunn](#mimirsbrunn) on a 8 cores/16GB RAM machine without any issues **importing only French addresses and data**.
 
 ## List of supported geocoders
 
@@ -27,9 +27,12 @@ This is the list of all geocoders supported by Mobilizon. The current default on
 [Nominatim](https://wiki.openstreetmap.org/wiki/Nominatim) is a GPL-2.0 licenced tool to search data by name and address. It's written in C and PHP and uses PostgreSQL.
 It's the current default search tool on the [OpenStreetMap homepage](https://www.openstreetmap.org).
 
-!!! warning
+!!! warning "Terms"
     When using the official Nominatim OpenStreetMap instance (default endpoint for this geocoder if not configured otherwise), you need to read and accept the [Usage Policy](https://operations.osmfoundation.org/policies/nominatim).
 
+!!! danger "Limitations"
+    Autocomplete is not possible using Nominatim, you'll obtain no suggestions while typing.
+
 Several companies provide hosted instances of Nominatim that you can query via an API, for example see [MapQuest Open Initiative](https://developer.mapquest.com/documentation/open/nominatim-search).
 
 ### Addok
@@ -37,14 +40,14 @@ Several companies provide hosted instances of Nominatim that you can query via a
 [Addok](https://github.com/addok/addok) is a WTFPL licenced search engine for address (and only address). It's written in Python and uses Redis. 
 It's used by French government for [adresse.data.gouv.fr](https://adresse.data.gouv.fr).
 
-!!! warning
+!!! warning "Terms"
     When using France's Addok instance at `api-adresse.data.gouv.fr` (default endpoint for this geocoder if not configured otherwise), you need to read and accept the [GCU](https://adresse.data.gouv.fr/cgu) (in French).
 
 ### Photon
 
 [Photon](https://photon.komoot.de/) is an Apache 2.0 licenced search engine written in Java and powered by ElasticSearch.
 
-!!! warning
+!!! warning "Terms"
     The terms of use for the official instance (default endpoint for this geocoder if not configured otherwise) are simply the following:
     > You can use the API for your project, but please be fair - extensive usage will be throttled. We do not guarantee for the availability and usage might be subject of change in the future.
 
diff --git a/js/src/components/Event/AddressAutoComplete.vue b/js/src/components/Event/AddressAutoComplete.vue
index cef479190..2fd40f7d8 100644
--- a/js/src/components/Event/AddressAutoComplete.vue
+++ b/js/src/components/Event/AddressAutoComplete.vue
@@ -7,12 +7,12 @@
                 <span v-else>{{ $t('Getting location') }}</span>
             </template>
             <b-autocomplete
-                    :data="data"
+                    :data="addressData"
                     v-model="queryText"
                     :placeholder="$t('e.g. 10 Rue Jangot')"
                     field="fullName"
                     :loading="isFetching"
-                    @typing="getAsyncData"
+                    @typing="fetchAsyncData"
                     icon="map-marker"
                     expanded
                     @select="updateSelected">
@@ -24,7 +24,7 @@
                 </template>
                 <template slot="empty">
                     <span v-if="isFetching">{{ $t('Searching…') }}</span>
-                    <div v-else class="is-enabled">
+                    <div v-else-if="queryText.length >= 3" class="is-enabled">
                         <span>{{ $t('No results for "{queryText}"') }}</span>
                         <span>{{ $t('You can try another search term or drag and drop the marker on the map', { queryText }) }}</span>
 <!--                        <p class="control" @click="openNewAddressModal">-->
@@ -92,19 +92,25 @@ import { Address, IAddress } from '@/types/address.model';
 import { ADDRESS, REVERSE_GEOCODE } from '@/graphql/address';
 import { Modal } from 'buefy/dist/components/dialog';
 import { LatLng } from 'leaflet';
+import { debounce } from 'lodash';
+import { CONFIG } from '@/graphql/config';
+import { IConfig } from '@/types/config.model';
 
 @Component({
   components: {
     'map-leaflet': () => import(/* webpackChunkName: "map" */ '@/components/Map.vue'),
     Modal,
   },
+  apollo: {
+    config: CONFIG,
+  },
 })
 export default class AddressAutoComplete extends Vue {
 
   @Prop({ required: true }) value!: IAddress;
 
-  data: IAddress[] = [];
-  selected!: IAddress;
+  addressData: IAddress[] = [];
+  selected: IAddress = new Address();
   isFetching: boolean = false;
   queryText: string = this.value && (new Address(this.value)).fullName || '';
   addressModalActive: boolean = false;
@@ -112,25 +118,27 @@ export default class AddressAutoComplete extends Vue {
   private location!: Position;
   private gettingLocationError: any;
   private mapDefaultZoom: number = 15;
+  config!: IConfig;
 
-  @Watch('value')
-  updateEditing() {
-    this.selected = this.value;
-    const address = new Address(this.selected);
-    this.queryText = `${address.poiInfos.name} ${address.poiInfos.alternativeName}`;
+  // We put this in data because of issues like https://github.com/vuejs/vue-class-component/issues/263
+  data() {
+    return {
+      fetchAsyncData: debounce(this.asyncData, 500),
+    };
   }
 
-  async getAsyncData(query) {
+  async asyncData(query: String) {
     if (!query.length) {
-      this.data = [];
+      this.addressData = [];
       this.selected = new Address();
       return;
     }
 
     if (query.length < 3) {
-      this.data = [];
+      this.addressData = [];
       return;
     }
+
     this.isFetching = true;
     const result = await this.$apollo.query({
       query: ADDRESS,
@@ -141,14 +149,29 @@ export default class AddressAutoComplete extends Vue {
       },
     });
 
-    this.data = result.data.searchAddress.map(address => new Address(address));
+    this.addressData = result.data.searchAddress.map(address => new Address(address));
     this.isFetching = false;
   }
 
+  @Watch('config')
+    watchConfig(config: IConfig) {
+    if (!config.geocoding.autocomplete) {
+      // If autocomplete is disabled, we put a larger debounce value so that we don't request with incomplete address
+      // @ts-ignore
+      this.fetchAsyncData = debounce(this.asyncData, 2000);
+    }
+  }
+
+  @Watch('value')
+  updateEditing() {
+    this.selected = this.value;
+    const address = new Address(this.selected);
+    this.queryText = `${address.poiInfos.name} ${address.poiInfos.alternativeName}`;
+  }
+
   updateSelected(option) {
     if (option == null) return;
     this.selected = option;
-    console.log('update selected', this.selected);
     this.$emit('input', this.selected);
   }
 
@@ -174,8 +197,8 @@ export default class AddressAutoComplete extends Vue {
       },
     });
 
-    this.data = result.data.reverseGeocode.map(address => new Address(address));
-    const defaultAddress = new Address(this.data[0]);
+    this.addressData = result.data.reverseGeocode.map(address => new Address(address));
+    const defaultAddress = new Address(this.addressData[0]);
     this.selected = defaultAddress;
     this.$emit('input', this.selected);
     this.queryText = `${defaultAddress.poiInfos.name} ${defaultAddress.poiInfos.alternativeName}`;
diff --git a/js/src/components/Map.vue b/js/src/components/Map.vue
index 9721cc763..99f94c89a 100644
--- a/js/src/components/Map.vue
+++ b/js/src/components/Map.vue
@@ -1,5 +1,5 @@
 <template>
-    <div class="map-container">
+    <div class="map-container" v-if="config">
         <l-map
                 :zoom="mergedOptions.zoom"
                 :style="`height: ${mergedOptions.height}; width: ${mergedOptions.width}`"
@@ -9,8 +9,8 @@
                 @update:zoom="updateZoom"
         >
             <l-tile-layer
-                    url="https://{s}.tile.openstreetmap.fr/osmfr/{z}/{x}/{y}.png"
-                    :attribution="$t('© The OpenStreetMap Contributors')"
+                    :url="config.maps.tiles.endpoint"
+                    :attribution="attribution"
             >
 
             </l-tile-layer>
@@ -30,9 +30,14 @@ import 'leaflet/dist/leaflet.css';
 import { Component, Prop, Vue } from 'vue-property-decorator';
 import { LMap, LTileLayer, LMarker, LPopup, LIcon } from 'vue2-leaflet';
 import Vue2LeafletLocateControl from '@/components/Map/Vue2LeafletLocateControl.vue';
+import { CONFIG } from '@/graphql/config';
+import { IConfig } from '@/types/config.model';
 
 @Component({
   components: { LTileLayer, LMap, LMarker, LPopup, LIcon, 'v-locatecontrol': Vue2LeafletLocateControl },
+  apollo: {
+    config: CONFIG,
+  },
 })
 export default class Map extends Vue {
   @Prop({ type: Boolean, required: false, default: true }) readOnly!: boolean;
@@ -52,6 +57,7 @@ export default class Map extends Vue {
   };
 
   zoom = this.defaultOptions.zoom;
+  config!: IConfig;
 
   mounted() {
     // this part resolve an issue where the markers would not appear
@@ -90,13 +96,16 @@ export default class Map extends Vue {
   }
 
   updateDraggableMarkerPosition(e: LatLng) {
-    console.log('updateDraggableMarkerPosition', e);
     this.updateDraggableMarkerCallback(e, this.zoom);
   }
 
   updateZoom(zoom: Number) {
     this.zoom = zoom;
   }
+
+  get attribution() {
+    return this.config.maps.tiles.attribution || this.$t('© The OpenStreetMap Contributors');
+  }
 }
 </script>
 <style lang="scss" scoped>
diff --git a/js/src/graphql/config.ts b/js/src/graphql/config.ts
index ff1f3f227..8cc814f17 100644
--- a/js/src/graphql/config.ts
+++ b/js/src/graphql/config.ts
@@ -11,6 +11,16 @@ query {
       latitude,
       longitude,
       accuracyRadius
+    },
+    maps {
+      tiles {
+        endpoint,
+        attribution
+      }
+    },
+    geocoding {
+      provider,
+      autocomplete
     }
   }
 }
diff --git a/js/src/types/config.model.ts b/js/src/types/config.model.ts
index 8da0a0c90..d12942465 100644
--- a/js/src/types/config.model.ts
+++ b/js/src/types/config.model.ts
@@ -9,4 +9,14 @@ export interface IConfig {
     longitude: number;
     accuracyRadius: number;
   };
+  maps: {
+    tiles: {
+      endpoint: string;
+      attribution: string|null;
+    },
+  };
+  geocoding: {
+    provider: string;
+    autocomplete: boolean;
+  };
 }
diff --git a/js/yarn.lock b/js/yarn.lock
index b71c59aac..8dcae2690 100644
--- a/js/yarn.lock
+++ b/js/yarn.lock
@@ -982,9 +982,9 @@
   integrity sha512-NYrtPht0wGzhwe9+/idPaBB+TqkY9AhTvOLMkThm0IoEfLaiVQZwBwyJ5puCkO3AUCWrmcoePjp2mbFocKy4SQ==
 
 "@types/node@*", "@types/node@>=6":
-  version "12.12.9"
-  resolved "https://registry.yarnpkg.com/@types/node/-/node-12.12.9.tgz#0b5ae05516b757cbff2e82c04500190aef986c7b"
-  integrity sha512-kV3w4KeLsRBW+O2rKhktBwENNJuqAUQHS3kf4ia2wIaF/MN6U7ANgTsx7tGremcA0Pk3Yh0Hl0iKiLPuBdIgmw==
+  version "12.12.11"
+  resolved "https://registry.yarnpkg.com/@types/node/-/node-12.12.11.tgz#bec2961975888d964196bf0016a2f984d793d3ce"
+  integrity sha512-O+x6uIpa6oMNTkPuHDa9MhMMehlxLAd5QcOvKRjAFsBVpeFWTOPnXbDvILvFgFFZfQ1xh1EZi1FbXxUix+zpsQ==
 
 "@types/normalize-package-data@^2.4.0":
   version "2.4.0"
@@ -2522,9 +2522,9 @@ buble@0.19.8, buble@^0.19.7:
     regexpu-core "^4.5.4"
 
 buefy@^0.8.2:
-  version "0.8.6"
-  resolved "https://registry.yarnpkg.com/buefy/-/buefy-0.8.6.tgz#a8d7e570914b95d8d5aadc40f87bcdfbaf552f0e"
-  integrity sha512-7woxrdwANcnJbe7lofPxkJLGRRGIVwFXOo0kzEpiNB6alQj18NV6UrdAKse+LWCOADz+AeHe5gyc6qdgRjG5mw==
+  version "0.8.7"
+  resolved "https://registry.yarnpkg.com/buefy/-/buefy-0.8.7.tgz#ccfe47001156f3fab8bf3c5e5339ec646dca1b58"
+  integrity sha512-Nmd6yuNPTQkwGXflLeRCINnLQWvDZcDqbw+7sy+LjX0n5kP5kcJ4DFc43koO+yPd4MpB7ZheHhLk5Sn00NnToA==
   dependencies:
     bulma "0.7.5"
 
@@ -2765,9 +2765,9 @@ caniuse-api@^3.0.0:
     lodash.uniq "^4.5.0"
 
 caniuse-lite@^1.0.0, caniuse-lite@^1.0.30000929, caniuse-lite@^1.0.30000989, caniuse-lite@^1.0.30001010:
-  version "1.0.30001010"
-  resolved "https://registry.yarnpkg.com/caniuse-lite/-/caniuse-lite-1.0.30001010.tgz#397a14034d384260453cc81994f494626d34b938"
-  integrity sha512-RA5GH9YjFNea4ZQszdWgh2SC+dpLiRAg4VDQS2b5JRI45OxmbGrYocYHTa9x0bKMQUE7uvHkNPNffUr+pCxSGw==
+  version "1.0.30001011"
+  resolved "https://registry.yarnpkg.com/caniuse-lite/-/caniuse-lite-1.0.30001011.tgz#0d6c4549c78c4a800bb043a83ca0cbe0aee6c6e1"
+  integrity sha512-h+Eqyn/YA6o6ZTqpS86PyRmNWOs1r54EBDcd2NTwwfsXQ8re1B38SnB+p2RKF8OUsyEIjeDU8XGec1RGO/wYCg==
 
 capture-stack-trace@^1.0.0:
   version "1.0.1"
@@ -4441,14 +4441,14 @@ ee-first@1.1.1:
   integrity sha1-WQxhFWsK4vTwJVcyoViyZrxWsh0=
 
 ejs@^2.6.1:
-  version "2.7.3"
-  resolved "https://registry.yarnpkg.com/ejs/-/ejs-2.7.3.tgz#4f437b3992ea0e0757f0ab8d7f29e42593498927"
-  integrity sha512-NtMNsdpaCF23gvHItgT37gzrpzckzs7KB7mg+YH1GMSG/5iZRq1BeWzAhEAJVagfM7nCQDnh/C51j/L2qjZmnA==
+  version "2.7.4"
+  resolved "https://registry.yarnpkg.com/ejs/-/ejs-2.7.4.tgz#48661287573dcc53e366c7a1ae52c3a120eec9ba"
+  integrity sha512-7vmuyh5+kuUyJKePhQfRQBhXV5Ce+RnaeeQArKu1EAMpL3WbgMt5WG6uQZpEVvYSSsxMXRKOewtDk9RaTKXRlA==
 
 electron-to-chromium@^1.3.103, electron-to-chromium@^1.3.247, electron-to-chromium@^1.3.306:
-  version "1.3.306"
-  resolved "https://registry.yarnpkg.com/electron-to-chromium/-/electron-to-chromium-1.3.306.tgz#e8265301d053d5f74e36cb876486830261fbe946"
-  integrity sha512-frDqXvrIROoYvikSKTIKbHbzO6M3/qC6kCIt/1FOa9kALe++c4VAJnwjSFvf1tYLEUsP2n9XZ4XSCyqc3l7A/A==
+  version "1.3.307"
+  resolved "https://registry.yarnpkg.com/electron-to-chromium/-/electron-to-chromium-1.3.307.tgz#e9b98901371d20164af7c0ca5bc820bd4305ccd3"
+  integrity sha512-01rTsAqHwf3D2X6NtlUvzB2hxDj67kiTVIO5GWdFb2unA0QvFvrjyrtc993ByRLF+surlr+9AvJdD0UYs5HzwA==
 
 elegant-spinner@^1.0.1:
   version "1.0.1"
@@ -9960,34 +9960,34 @@ prop-types@^15.6.0, prop-types@^15.6.2, prop-types@^15.7.2:
     react-is "^16.8.1"
 
 prosemirror-collab@^1.1.2:
-  version "1.2.1"
-  resolved "https://registry.yarnpkg.com/prosemirror-collab/-/prosemirror-collab-1.2.1.tgz#478b4cb235dc6fa4f65e3069570b5e58e887d733"
-  integrity sha512-Ycj4NHkYmRILJp34DvnQBft1j4b3Q+R59cdnWTQXxPytT/XKS10u/r9DaoI5emxt1+r095/wW5pbxJAQVfU79Q==
+  version "1.2.2"
+  resolved "https://registry.yarnpkg.com/prosemirror-collab/-/prosemirror-collab-1.2.2.tgz#8d2c0e82779cfef5d051154bd0836428bd6d9c4a"
+  integrity sha512-tBnHKMLgy5Qmx9MYVcLfs3pAyjtcqYYDd9kp3y+LSiQzkhMQDfZSV3NXWe4Gsly32adSef173BvObwfoSQL5MA==
   dependencies:
     prosemirror-state "^1.0.0"
 
 prosemirror-commands@^1.0.8:
-  version "1.1.1"
-  resolved "https://registry.yarnpkg.com/prosemirror-commands/-/prosemirror-commands-1.1.1.tgz#58cfe7480bb040a7dc6d5666e2e6f2bed61d556a"
-  integrity sha512-YWgSHU8CzJCYQ7tzQzHwBNz8x1QvXxnZ+du5ctQRpCGlkupg+gg9pZk3s/7nBh9GtoNAneGJYPGGj+flx/RKEA==
+  version "1.1.2"
+  resolved "https://registry.yarnpkg.com/prosemirror-commands/-/prosemirror-commands-1.1.2.tgz#6868cabc9f9112fba94c805139473527774b0dea"
+  integrity sha512-JBa06kjgX67d9JVUVJbCkxwvSGtQnWAN/85nq9csOMS5Z9WZLEvVDtVvZranNlu8l/XNVBWrZxOOK+pB03eTfA==
   dependencies:
     prosemirror-model "^1.0.0"
     prosemirror-state "^1.0.0"
     prosemirror-transform "^1.0.0"
 
 prosemirror-dropcursor@^1.2.0:
-  version "1.3.1"
-  resolved "https://registry.yarnpkg.com/prosemirror-dropcursor/-/prosemirror-dropcursor-1.3.1.tgz#b649b72f399782007ed0f55b788f3cdb2085ce06"
-  integrity sha512-UkbHmYA56LruNNTONFPUnEPwfXnYf5wp+xo4MBF4bsH8iHE2D9RKy5AvqqyfKq8MtK0ThaRkvuRVjwvm0l2QNQ==
+  version "1.3.2"
+  resolved "https://registry.yarnpkg.com/prosemirror-dropcursor/-/prosemirror-dropcursor-1.3.2.tgz#28738c4ed7102e814d7a8a26d70018523fc7cd6d"
+  integrity sha512-4c94OUGyobGnwcQI70OXyMhE/9T4aTgjU+CHxkd5c7D+jH/J0mKM/lk+jneFVKt7+E4/M0D9HzRPifu8U28Thw==
   dependencies:
     prosemirror-state "^1.0.0"
     prosemirror-transform "^1.1.0"
     prosemirror-view "^1.1.0"
 
 prosemirror-gapcursor@^1.0.4:
-  version "1.1.1"
-  resolved "https://registry.yarnpkg.com/prosemirror-gapcursor/-/prosemirror-gapcursor-1.1.1.tgz#e24133f7bd63e4a985e87ec779cc9594d98bfa21"
-  integrity sha512-bZ2LoTk4h/wjr14f0DB/BcUfk3UA8aI4MBi6OeCOIzHAhieu2CbBpG1t4mxNKC6Cd78PccwUXgix7VXC5BLzrQ==
+  version "1.1.2"
+  resolved "https://registry.yarnpkg.com/prosemirror-gapcursor/-/prosemirror-gapcursor-1.1.2.tgz#a1400a86a51d4cccc065e68d5625a9fb5bc623e0"
+  integrity sha512-Z+eqk6RysZVxidGWN5aWoSTbn5bTHf1XZ+nQJVwUSdwdBVkfQMFdTHgfrXA8W5MhHHdNg/EEEYG3z3Zi/vE2QQ==
   dependencies:
     prosemirror-keymap "^1.0.0"
     prosemirror-model "^1.0.0"
@@ -9995,49 +9995,49 @@ prosemirror-gapcursor@^1.0.4:
     prosemirror-view "^1.0.0"
 
 prosemirror-history@^1.0.4:
-  version "1.1.1"
-  resolved "https://registry.yarnpkg.com/prosemirror-history/-/prosemirror-history-1.1.1.tgz#40edb4ec33a1e9424557a83044dc664f083c7650"
-  integrity sha512-sIj66w2hNKs5+FFecpnH13xkOGlcK3dOFnM+d9BZjF0jxSxBTwjYjfiYm9q62DoFlSAGSai5P3IqnUsyBJ8iyw==
+  version "1.1.2"
+  resolved "https://registry.yarnpkg.com/prosemirror-history/-/prosemirror-history-1.1.2.tgz#3e8f11efbd316e98322028be67549df1f94fc6da"
+  integrity sha512-erhxYS5gm/6MiXP8jUoJBgc8IbaqjHDVPl9KGg5JrMZOSSOwHv85+4Fb0Q7sYtv2fYwAjOSw/kSA9vkxJ6wOwA==
   dependencies:
     prosemirror-state "^1.2.2"
     prosemirror-transform "^1.0.0"
     rope-sequence "^1.3.0"
 
 prosemirror-inputrules@^1.0.4:
-  version "1.1.1"
-  resolved "https://registry.yarnpkg.com/prosemirror-inputrules/-/prosemirror-inputrules-1.1.1.tgz#fc00ee44f09874b3b7a0a6650be6a3ea5672e9f6"
-  integrity sha512-UWuLz9anIW/KN2nSXKx+7sHSNSEObnPX8jD9THaWRn+C0xejJAJikMlVqIi/QlVH8ET0Hqx/qbXaM5Q4SV33tA==
+  version "1.1.2"
+  resolved "https://registry.yarnpkg.com/prosemirror-inputrules/-/prosemirror-inputrules-1.1.2.tgz#487e46c763e1212a4577397aba7706139084f012"
+  integrity sha512-Ja5Z3BWestlHYGvtSGqyvxMeB8QEuBjlHM8YnKtLGUXMDp965qdDV4goV8lJb17kIWHk7e7JNj6Catuoa3302g==
   dependencies:
     prosemirror-state "^1.0.0"
     prosemirror-transform "^1.0.0"
 
 prosemirror-keymap@^1.0.0, prosemirror-keymap@^1.0.2:
-  version "1.1.2"
-  resolved "https://registry.yarnpkg.com/prosemirror-keymap/-/prosemirror-keymap-1.1.2.tgz#ec83b1b01d36d6e4968e24d4d0c866f424bd532b"
-  integrity sha512-y80SvHPGaKJ4+6cIydDjOYmy6V9DQOo/BPJ14oGfzzQ5+VdFf/W/B6CT9AIAha6uOnpC3bdYY01XU7JmMge3TA==
+  version "1.1.3"
+  resolved "https://registry.yarnpkg.com/prosemirror-keymap/-/prosemirror-keymap-1.1.3.tgz#be22d6108df2521608e9216a87b1a810f0ed361e"
+  integrity sha512-PRA4NzkUMzV/NFf5pyQ6tmlIHiW/qjQ1kGWUlV2rF/dvlOxtpGpTEjIMhWgLuMf+HiDEFnUEP7uhYXu+t+491g==
   dependencies:
     prosemirror-state "^1.0.0"
     w3c-keyname "^2.2.0"
 
 prosemirror-model@^1.0.0, prosemirror-model@^1.1.0, prosemirror-model@^1.7.4:
-  version "1.8.1"
-  resolved "https://registry.yarnpkg.com/prosemirror-model/-/prosemirror-model-1.8.1.tgz#44669d6b9dc84a69e4a7b54b77f12905d2f55250"
-  integrity sha512-mpXHJQ99NllmQ4Kz3PSTc1j79iiBqpJWWAib4OPiZUlYSvcj3+nolBbRFWUjpZ1MRELWAjHKPBEzzhQ4nB6vFg==
+  version "1.8.2"
+  resolved "https://registry.yarnpkg.com/prosemirror-model/-/prosemirror-model-1.8.2.tgz#c74eaacb0bbfea49b59a6d89fef5516181666a56"
+  integrity sha512-piffokzW7opZVCjf/9YaoXvTC0g7zMRWKJib1hpphPfC+4x6ZXe5CiExgycoWZJe59VxxP7uHX8aFiwg2i9mUQ==
   dependencies:
     orderedmap "^1.1.0"
 
 prosemirror-schema-list@^1.0.4:
-  version "1.1.1"
-  resolved "https://registry.yarnpkg.com/prosemirror-schema-list/-/prosemirror-schema-list-1.1.1.tgz#bec2c9cf6929995bbf0cb09cb3e90c1ba07cb4a1"
-  integrity sha512-8bFd3maQIOiGpRCkijfd9NiZvQqP8TVYQWSwnkb2FVHFsqdw22l1d42rtG9LHvSGh64KIdOpfh48HnqpVxsHIg==
+  version "1.1.2"
+  resolved "https://registry.yarnpkg.com/prosemirror-schema-list/-/prosemirror-schema-list-1.1.2.tgz#310809209094b03425da7f5c337105074913da6c"
+  integrity sha512-dgM9PwtM4twa5WsgSYMB+J8bwjnR43DAD3L9MsR9rKm/nZR5Y85xcjB7gusVMSsbQ2NomMZF03RE6No6mTnclQ==
   dependencies:
     prosemirror-model "^1.0.0"
     prosemirror-transform "^1.0.0"
 
 prosemirror-state@^1.0.0, prosemirror-state@^1.2.2, prosemirror-state@^1.2.4:
-  version "1.3.1"
-  resolved "https://registry.yarnpkg.com/prosemirror-state/-/prosemirror-state-1.3.1.tgz#108ac86ab7f5ac228bf16a214c36262998aee53b"
-  integrity sha512-xECWkjVtj7/qaM3u80dBbL7mGUCUe1TFRxIEaNQKnNYCI2zwSbS0AnIWuLRaHHcZ9GXv+7NxTHDh3MOyxahVkA==
+  version "1.3.2"
+  resolved "https://registry.yarnpkg.com/prosemirror-state/-/prosemirror-state-1.3.2.tgz#1b910b0dc01c1f00926bb9ba1589f7b7ac0d658b"
+  integrity sha512-t/JqE3aR0SV9QrzFVkAXsQwsgrQBNs/BDbcFH20RssW0xauqNNdjTXxy/J/kM7F+0zYi6+BRmz7cMMQQFU3mwQ==
   dependencies:
     prosemirror-model "^1.0.0"
     prosemirror-transform "^1.0.0"
@@ -10054,9 +10054,9 @@ prosemirror-tables@^0.9.5:
     prosemirror-view "^1.0.0"
 
 prosemirror-transform@^1.0.0, prosemirror-transform@^1.1.0, prosemirror-transform@^1.1.5:
-  version "1.2.1"
-  resolved "https://registry.yarnpkg.com/prosemirror-transform/-/prosemirror-transform-1.2.1.tgz#ada1e5f2fbb5214e798d55005798de15fdd8b7ac"
-  integrity sha512-ORDd/+MBBwQnuzNbT5XyS6saC2MZqxagwdnqfDxt2PoT5NhvC8Fohh8c+B7K/0ij4eVGRsifQKti3diFlvDFAg==
+  version "1.2.2"
+  resolved "https://registry.yarnpkg.com/prosemirror-transform/-/prosemirror-transform-1.2.2.tgz#4439ae7e88ea1395d9beed6a4cd852d72b16ed2f"
+  integrity sha512-expO11jAsxaHk2RdZtzPsumc1bAAZi4UiXwTLQbftsdnIUWZE5Snyag595p1lx/B8QHUZ6tYWWOaOkzXKoJmYw==
   dependencies:
     prosemirror-model "^1.0.0"
 
@@ -10066,9 +10066,9 @@ prosemirror-utils@^0.9.6:
   integrity sha512-UC+j9hQQ1POYfMc5p7UFxBTptRiGPR7Kkmbl3jVvU8VgQbkI89tR/GK+3QYC8n+VvBZrtAoCrJItNhWSxX3slA==
 
 prosemirror-view@^1.0.0, prosemirror-view@^1.1.0, prosemirror-view@^1.11.7:
-  version "1.13.3"
-  resolved "https://registry.yarnpkg.com/prosemirror-view/-/prosemirror-view-1.13.3.tgz#3b6767ea732b3315b583d37b04c966515caf4823"
-  integrity sha512-5AjTEoSgCD0RfETVfo1QLMa8qsb5Ogzf5B6b8JaSpEi3NAnfVxBwIhbExd9vrJ7SiRWn1ZoP7welx5a5b1YLaA==
+  version "1.13.4"
+  resolved "https://registry.yarnpkg.com/prosemirror-view/-/prosemirror-view-1.13.4.tgz#01d873db7731e0aacc410a9038447d1b7536fd07"
+  integrity sha512-mtgWEK16uYQFk3kijRlkSpAmDuy7rxYuv0pgyEBDmLT1PCPY8380CoaYnP8znUT6BXIGlJ8oTveK3M50U+B0vw==
   dependencies:
     prosemirror-model "^1.1.0"
     prosemirror-state "^1.0.0"
diff --git a/lib/mobilizon/config.ex b/lib/mobilizon/config.ex
index 7b2ebbe48..c7f8b5728 100644
--- a/lib/mobilizon/config.ex
+++ b/lib/mobilizon/config.ex
@@ -34,6 +34,21 @@ defmodule Mobilizon.Config do
   def instance_user_agent,
     do: "#{instance_name()} #{instance_hostname()} - Mobilizon #{Mix.Project.config()[:version]}"
 
+  @spec instance_geocoding_provider :: atom()
+  def instance_geocoding_provider,
+    do: get_in(Application.get_env(:mobilizon, Mobilizon.Service.Geospatial), [:service])
+
+  @spec instance_geocoding_autocomplete :: boolean
+  def instance_geocoding_autocomplete,
+    do: instance_geocoding_provider() !== Mobilizon.Service.Geospatial.Nominatim
+
+  @spec instance_maps_tiles_endpoint :: String.t()
+  def instance_maps_tiles_endpoint, do: Application.get_env(:mobilizon, :maps)[:tiles][:endpoint]
+
+  @spec instance_maps_tiles_attribution :: String.t()
+  def instance_maps_tiles_attribution,
+    do: Application.get_env(:mobilizon, :maps)[:tiles][:attribution]
+
   @spec get(module | atom) :: any
   def get(key), do: get(key, nil)
 
diff --git a/lib/mobilizon_web/resolvers/config.ex b/lib/mobilizon_web/resolvers/config.ex
index 73f436f0c..4ba2d9a57 100644
--- a/lib/mobilizon_web/resolvers/config.ex
+++ b/lib/mobilizon_web/resolvers/config.ex
@@ -32,7 +32,17 @@ defmodule MobilizonWeb.Resolvers.Config do
        registrations_open: Config.instance_registrations_open?(),
        description: Config.instance_description(),
        location: location,
-       country_code: country_code
+       country_code: country_code,
+       geocoding: %{
+         provider: Config.instance_geocoding_provider(),
+         autocomplete: Config.instance_geocoding_autocomplete()
+       },
+       maps: %{
+         tiles: %{
+           endpoint: Config.instance_maps_tiles_endpoint(),
+           attribution: Config.instance_maps_tiles_attribution()
+         }
+       }
      }}
   end
 end
diff --git a/lib/mobilizon_web/schema/config.ex b/lib/mobilizon_web/schema/config.ex
index 2b4dbecfb..b286ce3fb 100644
--- a/lib/mobilizon_web/schema/config.ex
+++ b/lib/mobilizon_web/schema/config.ex
@@ -15,6 +15,8 @@ defmodule MobilizonWeb.Schema.ConfigType do
     field(:registrations_open, :boolean)
     field(:country_code, :string)
     field(:location, :lonlat)
+    field(:geocoding, :geocoding)
+    field(:maps, :maps)
   end
 
   object :lonlat do
@@ -23,6 +25,20 @@ defmodule MobilizonWeb.Schema.ConfigType do
     field(:accuracy_radius, :integer)
   end
 
+  object :geocoding do
+    field(:autocomplete, :boolean)
+    field(:provider, :string)
+  end
+
+  object :maps do
+    field(:tiles, :tiles)
+  end
+
+  object :tiles do
+    field(:endpoint, :string)
+    field(:attribution, :string)
+  end
+
   object :config_queries do
     @desc "Get the instance config"
     field :config, :config do
diff --git a/lib/service/geospatial/addok.ex b/lib/service/geospatial/addok.ex
index 737b233dc..8428973b9 100644
--- a/lib/service/geospatial/addok.ex
+++ b/lib/service/geospatial/addok.ex
@@ -29,6 +29,8 @@ defmodule Mobilizon.Service.Geospatial.Addok do
            HTTPoison.get(url, headers),
          {:ok, %{"features" => features}} <- Poison.decode(body) do
       process_data(features)
+    else
+      _ -> []
     end
   end
 
@@ -47,6 +49,8 @@ defmodule Mobilizon.Service.Geospatial.Addok do
            HTTPoison.get(url, headers),
          {:ok, %{"features" => features}} <- Poison.decode(body) do
       process_data(features)
+    else
+      _ -> []
     end
   end
 
diff --git a/lib/service/geospatial/mimirsbrunn.ex b/lib/service/geospatial/mimirsbrunn.ex
index 333e9879a..cb4156bd1 100644
--- a/lib/service/geospatial/mimirsbrunn.ex
+++ b/lib/service/geospatial/mimirsbrunn.ex
@@ -32,6 +32,8 @@ defmodule Mobilizon.Service.Geospatial.Mimirsbrunn do
            HTTPoison.get(url, headers),
          {:ok, %{"features" => features}} <- Poison.decode(body) do
       process_data(features)
+    else
+      _ -> []
     end
   end
 
@@ -50,6 +52,8 @@ defmodule Mobilizon.Service.Geospatial.Mimirsbrunn do
            HTTPoison.get(url, headers),
          {:ok, %{"features" => features}} <- Poison.decode(body) do
       process_data(features)
+    else
+      _ -> []
     end
   end
 
diff --git a/lib/service/geospatial/nominatim.ex b/lib/service/geospatial/nominatim.ex
index b956b1f19..f9953c082 100644
--- a/lib/service/geospatial/nominatim.ex
+++ b/lib/service/geospatial/nominatim.ex
@@ -29,6 +29,8 @@ defmodule Mobilizon.Service.Geospatial.Nominatim do
            HTTPoison.get(url, headers),
          {:ok, %{"features" => features}} <- Poison.decode(body) do
       features |> process_data() |> Enum.filter(& &1)
+    else
+      _ -> []
     end
   end
 
@@ -47,6 +49,8 @@ defmodule Mobilizon.Service.Geospatial.Nominatim do
            HTTPoison.get(url, headers),
          {:ok, %{"features" => features}} <- Poison.decode(body) do
       features |> process_data() |> Enum.filter(& &1)
+    else
+      _ -> []
     end
   end
 
diff --git a/lib/service/geospatial/pelias.ex b/lib/service/geospatial/pelias.ex
index 1b173cad1..386b7d1fb 100644
--- a/lib/service/geospatial/pelias.ex
+++ b/lib/service/geospatial/pelias.ex
@@ -30,6 +30,8 @@ defmodule Mobilizon.Service.Geospatial.Pelias do
            HTTPoison.get(url, headers),
          {:ok, %{"features" => features}} <- Poison.decode(body) do
       process_data(features)
+    else
+      _ -> []
     end
   end
 
@@ -48,6 +50,8 @@ defmodule Mobilizon.Service.Geospatial.Pelias do
            HTTPoison.get(url, headers),
          {:ok, %{"features" => features}} <- Poison.decode(body) do
       process_data(features)
+    else
+      _ -> []
     end
   end
 
diff --git a/lib/service/geospatial/photon.ex b/lib/service/geospatial/photon.ex
index a42971c8d..364a6c147 100644
--- a/lib/service/geospatial/photon.ex
+++ b/lib/service/geospatial/photon.ex
@@ -30,6 +30,8 @@ defmodule Mobilizon.Service.Geospatial.Photon do
            HTTPoison.get(url, headers),
          {:ok, %{"features" => features}} <- Poison.decode(body) do
       process_data(features)
+    else
+      _ -> []
     end
   end
 
@@ -48,6 +50,8 @@ defmodule Mobilizon.Service.Geospatial.Photon do
            HTTPoison.get(url, headers),
          {:ok, %{"features" => features}} <- Poison.decode(body) do
       process_data(features)
+    else
+      _ -> []
     end
   end
 
diff --git a/schema.graphql b/schema.graphql
index 6dd718245..d64e2d3fb 100644
--- a/schema.graphql
+++ b/schema.graphql
@@ -1,5 +1,5 @@
 # source: http://localhost:4000/api
-# timestamp: Mon Nov 18 2019 16:00:35 GMT+0100 (Central European Standard Time)
+# timestamp: Wed Nov 20 2019 10:45:54 GMT+0100 (Central European Standard Time)
 
 schema {
   query: RootQueryType
@@ -191,7 +191,9 @@ enum CommentVisibility {
 type Config {
   countryCode: String
   description: String
+  geocoding: Geocoding
   location: Lonlat
+  maps: Maps
   name: String
   registrationsOpen: Boolean
 }
@@ -531,6 +533,11 @@ type Follower {
   targetActor: Actor
 }
 
+type Geocoding {
+  autocomplete: Boolean
+  provider: String
+}
+
 """
 Represents a group of actors
 
@@ -639,6 +646,10 @@ type Lonlat {
   longitude: Float
 }
 
+type Maps {
+  tiles: Tiles
+}
+
 """
 Represents a member of a group
 
@@ -1229,6 +1240,11 @@ type Tag {
   title: String
 }
 
+type Tiles {
+  attribution: String
+  endpoint: String
+}
+
 """
 Represents an uploaded file.