Add spatial queries

Author: abnegate

lib/appwrite.dart

@@ -1,6 +1,6 @@
 /// Appwrite Flutter SDK
 ///
-/// This SDK is compatible with Appwrite server version 1.8.x.
+/// This SDK is compatible with Appwrite server version 1.8.x. 
 /// For older versions, please check
 /// [previous releases](https://github.com/appwrite/sdk-for-flutter/releases).
 library appwrite;

lib/client_browser.dart

@@ -1 +1 @@
-export 'src/client_browser.dart';
+export 'src/client_browser.dart';

lib/client_io.dart

@@ -1 +1 @@
-export 'src/client_io.dart';
+export 'src/client_io.dart';

lib/query.dart

@@ -11,11 +11,11 @@ class Query {
   Map<String, dynamic> toJson() {
     final map = <String, dynamic>{'method': method};
 
-    if (attribute != null) {
+    if(attribute != null) {
       map['attribute'] = attribute;
     }
-
-    if (values != null) {
+    
+    if(values != null) {
       map['values'] = values is List ? values : [values];
     }
 
@@ -26,7 +26,7 @@ class Query {
   String toString() => jsonEncode(toJson());
 
   /// Filter resources where [attribute] is equal to [value].
-  ///
+  /// 
   /// [value] can be a single value or a list. If a list is used
   /// the query will return resources where [attribute] is equal
   /// to any of the values in the list.
@@ -152,14 +152,14 @@ class Query {
       Query._('orderDesc', attribute).toString();
 
   /// Return results before [id].
-  ///
+  /// 
   /// Refer to the [Cursor Based Pagination](https://appwrite.io/docs/pagination#cursor-pagination)
   /// docs for more information.
   static String cursorBefore(String id) =>
       Query._('cursorBefore', null, id).toString();
 
   /// Return results after [id].
-  ///
+  /// 
   /// Refer to the [Cursor Based Pagination](https://appwrite.io/docs/pagination#cursor-pagination)
   /// docs for more information.
   static String cursorAfter(String id) =>
@@ -169,9 +169,57 @@ class Query {
   static String limit(int limit) => Query._('limit', null, limit).toString();
 
   /// Return results from [offset].
-  ///
+  /// 
   /// Refer to the [Offset Pagination](https://appwrite.io/docs/pagination#offset-pagination)
   /// docs for more information.
   static String offset(int offset) =>
       Query._('offset', null, offset).toString();
-}
+
+  /// Filter resources where [attribute] is at a specific distance from the given coordinates.
+  static String distanceEqual(String attribute, List<dynamic> values, double distance, [bool meters = true]) =>
+      Query._('distanceEqual', attribute, [values, distance, meters]).toString();
+
+  /// Filter resources where [attribute] is not at a specific distance from the given coordinates.
+  static String distanceNotEqual(String attribute, List<dynamic> values, double distance, [bool meters = true]) =>
+      Query._('distanceNotEqual', attribute, [values, distance, meters]).toString();
+
+  /// Filter resources where [attribute] is at a distance greater than the specified value from the given coordinates.
+  static String distanceGreaterThan(String attribute, List<dynamic> values, double distance, [bool meters = true]) =>
+      Query._('distanceGreaterThan', attribute, [values, distance, meters]).toString();
+
+  /// Filter resources where [attribute] is at a distance less than the specified value from the given coordinates.
+  static String distanceLessThan(String attribute, List<dynamic> values, double distance, [bool meters = true]) =>
+      Query._('distanceLessThan', attribute, [values, distance, meters]).toString();
+
+  /// Filter resources where [attribute] intersects with the given geometry.
+  static String intersects(String attribute, List<dynamic> values) =>
+      Query._('intersects', attribute, values).toString();
+
+  /// Filter resources where [attribute] does not intersect with the given geometry.
+  static String notIntersects(String attribute, List<dynamic> values) =>
+      Query._('notIntersects', attribute, values).toString();
+
+  /// Filter resources where [attribute] crosses the given geometry.
+  static String crosses(String attribute, List<dynamic> values) =>
+      Query._('crosses', attribute, values).toString();
+
+  /// Filter resources where [attribute] does not cross the given geometry.
+  static String notCrosses(String attribute, List<dynamic> values) =>
+      Query._('notCrosses', attribute, values).toString();
+
+  /// Filter resources where [attribute] overlaps with the given geometry.
+  static String overlaps(String attribute, List<dynamic> values) =>
+      Query._('overlaps', attribute, values).toString();
+
+  /// Filter resources where [attribute] does not overlap with the given geometry.
+  static String notOverlaps(String attribute, List<dynamic> values) =>
+      Query._('notOverlaps', attribute, values).toString();
+
+  /// Filter resources where [attribute] touches the given geometry.
+  static String touches(String attribute, List<dynamic> values) =>
+      Query._('touches', attribute, values).toString();
+
+  /// Filter resources where [attribute] does not touch the given geometry.
+  static String notTouches(String attribute, List<dynamic> values) =>
+      Query._('notTouches', attribute, values).toString();
+}

lib/realtime_browser.dart

@@ -1 +1 @@
-export 'src/realtime_browser.dart';
+export 'src/realtime_browser.dart';

lib/realtime_io.dart

@@ -1 +1 @@
-export 'src/realtime_io.dart';
+export 'src/realtime_io.dart';

lib/role.dart

@@ -63,4 +63,4 @@ class Role {
   static String label(String name) {
     return 'label:$name';
   }
-}
+}