feat(server): reverse geocoding endpoint (#11430)

* feat(server): reverse geocoding endpoint

* chore: rename error message

mobile/openapi/lib/model/map_reverse_geocode_response_dto.dart

@@ -0,0 +1,126 @@
+//
+// AUTO-GENERATED FILE, DO NOT MODIFY!
+//
+// @dart=2.18
+
+// ignore_for_file: unused_element, unused_import
+// ignore_for_file: always_put_required_named_parameters_first
+// ignore_for_file: constant_identifier_names
+// ignore_for_file: lines_longer_than_80_chars
+
+part of openapi.api;
+
+class MapReverseGeocodeResponseDto {
+  /// Returns a new [MapReverseGeocodeResponseDto] instance.
+  MapReverseGeocodeResponseDto({
+    required this.city,
+    required this.country,
+    required this.state,
+  });
+
+  String? city;
+
+  String? country;
+
+  String? state;
+
+  @override
+  bool operator ==(Object other) => identical(this, other) || other is MapReverseGeocodeResponseDto &&
+    other.city == city &&
+    other.country == country &&
+    other.state == state;
+
+  @override
+  int get hashCode =>
+    // ignore: unnecessary_parenthesis
+    (city == null ? 0 : city!.hashCode) +
+    (country == null ? 0 : country!.hashCode) +
+    (state == null ? 0 : state!.hashCode);
+
+  @override
+  String toString() => 'MapReverseGeocodeResponseDto[city=$city, country=$country, state=$state]';
+
+  Map<String, dynamic> toJson() {
+    final json = <String, dynamic>{};
+    if (this.city != null) {
+      json[r'city'] = this.city;
+    } else {
+    //  json[r'city'] = null;
+    }
+    if (this.country != null) {
+      json[r'country'] = this.country;
+    } else {
+    //  json[r'country'] = null;
+    }
+    if (this.state != null) {
+      json[r'state'] = this.state;
+    } else {
+    //  json[r'state'] = null;
+    }
+    return json;
+  }
+
+  /// Returns a new [MapReverseGeocodeResponseDto] instance and imports its values from
+  /// [value] if it's a [Map], null otherwise.
+  // ignore: prefer_constructors_over_static_methods
+  static MapReverseGeocodeResponseDto? fromJson(dynamic value) {
+    if (value is Map) {
+      final json = value.cast<String, dynamic>();
+
+      return MapReverseGeocodeResponseDto(
+        city: mapValueOfType<String>(json, r'city'),
+        country: mapValueOfType<String>(json, r'country'),
+        state: mapValueOfType<String>(json, r'state'),
+      );
+    }
+    return null;
+  }
+
+  static List<MapReverseGeocodeResponseDto> listFromJson(dynamic json, {bool growable = false,}) {
+    final result = <MapReverseGeocodeResponseDto>[];
+    if (json is List && json.isNotEmpty) {
+      for (final row in json) {
+        final value = MapReverseGeocodeResponseDto.fromJson(row);
+        if (value != null) {
+          result.add(value);
+        }
+      }
+    }
+    return result.toList(growable: growable);
+  }
+
+  static Map<String, MapReverseGeocodeResponseDto> mapFromJson(dynamic json) {
+    final map = <String, MapReverseGeocodeResponseDto>{};
+    if (json is Map && json.isNotEmpty) {
+      json = json.cast<String, dynamic>(); // ignore: parameter_assignments
+      for (final entry in json.entries) {
+        final value = MapReverseGeocodeResponseDto.fromJson(entry.value);
+        if (value != null) {
+          map[entry.key] = value;
+        }
+      }
+    }
+    return map;
+  }
+
+  // maps a json object with a list of MapReverseGeocodeResponseDto-objects as value to a dart map
+  static Map<String, List<MapReverseGeocodeResponseDto>> mapListFromJson(dynamic json, {bool growable = false,}) {
+    final map = <String, List<MapReverseGeocodeResponseDto>>{};
+    if (json is Map && json.isNotEmpty) {
+      // ignore: parameter_assignments
+      json = json.cast<String, dynamic>();
+      for (final entry in json.entries) {
+        map[entry.key] = MapReverseGeocodeResponseDto.listFromJson(entry.value, growable: growable,);
+      }
+    }
+    return map;
+  }
+
+  /// The list of required keys that must be present in a JSON.
+  static const requiredKeys = <String>{
+    'city',
+    'country',
+    'state',
+  };
+}
+