From ee86365dcd7aebd3a70baee67ca5d92c6919aa6f Mon Sep 17 00:00:00 2001
From: Noah Tatko <tatkon@rbtrainers.com>
Date: Wed, 3 Apr 2024 12:54:13 -0500
Subject: [PATCH 1/3] FeatureCollection.fromWKT

---
 lib/src/featureTypes/feature_collection.dart  | 39 +++++++++++++++++++
 .../featureTypes/feature_collection_test.dart | 11 ++++++
 2 files changed, 50 insertions(+)

diff --git a/lib/src/featureTypes/feature_collection.dart b/lib/src/featureTypes/feature_collection.dart
index c556bc7..9a79f9e 100644
--- a/lib/src/featureTypes/feature_collection.dart
+++ b/lib/src/featureTypes/feature_collection.dart
@@ -76,6 +76,45 @@ class FeatureCollection {
     );
   }
 
+  /// Creates a FeatureCollection from a WKT string.
+  ///
+  /// Example:
+  /// ```dart
+  /// FeatureCollection.fromWKT('GEOMETRYCOLLECTION(POINT(1 2), POINT(3 4))'); // FeatureCollection([Point(Coordinate(1, 2)), Point(Coordinate(3, 4))])
+  /// ```
+  factory FeatureCollection.fromWKT(String wkt) {
+    final regexBody = RegExp(r'GEOMETRYCOLLECTION\w?\((.*)\)', multiLine: true);
+    final match = regexBody.firstMatch(wkt);
+    if (match == null) {
+      throw ArgumentError('Invalid WKT');
+    }
+
+    final geometryString = match.group(1);
+    final regexGeometry = RegExp(
+        r'(\),[\s|\n]{0,2})(?=(POINT|MULTIPOINT|LINESTRING|MULTILINESTRING|POLYGON|MULTIPOLYGON))');
+    final geometries = geometryString?.split(regexGeometry) ?? [];
+
+    return FeatureCollection(
+      geometries.map((g) {
+        if (g.startsWith('POINT')) {
+          return Point.fromWKT(g);
+        } else if (g.startsWith('MULTIPOINT')) {
+          return MultiPoint.fromWKT(g);
+        } else if (g.startsWith('LINESTRING')) {
+          return LineString.fromWKT(g);
+        } else if (g.startsWith('MULTILINESTRING')) {
+          return MultiLineString.fromWKT(g);
+        } else if (g.startsWith('POLYGON')) {
+          return Polygon.fromWKT(g);
+        } else if (g.startsWith('MULTIPOLYGON')) {
+          return MultiPolygon.fromWKT(g);
+        } else {
+          throw ArgumentError('Invalid geometry type');
+        }
+      }).toList(),
+    );
+  }
+
   /// Creates a [FeatureCollection] of [Point]s from the geometries of the [Feature]s contained within.
   ///
   /// Example:
diff --git a/test/featureTypes/feature_collection_test.dart b/test/featureTypes/feature_collection_test.dart
index 9d8f7b7..c7a3c47 100644
--- a/test/featureTypes/feature_collection_test.dart
+++ b/test/featureTypes/feature_collection_test.dart
@@ -1,3 +1,5 @@
+import 'dart:js_util';
+
 import 'package:geodart/geometries.dart';
 import 'package:test/test.dart';
 
@@ -12,5 +14,14 @@ void main() {
 
       expect(hydroelectricLinesCanada, featureCollectionJson);
     });
+
+    test('from wkt', () {
+      FeatureCollection featureCollection = FeatureCollection.fromWKT(
+          'GEOMETRYCOLLECTION(POINT(1 2), LINESTRING(1 2, 3 4))');
+      expect(featureCollection.features.length, 2);
+      expect(featureCollection.features[0] is Point, true);
+      expect(featureCollection.features[1] is LineString, true);
+      expect(featureCollection.features[0], Point.fromWKT('POINT(1 2)'));
+    });
   });
 }

From 8711bccecb532cf0cef6c034df27d59385610505 Mon Sep 17 00:00:00 2001
From: Noah Tatko <tatkon@rbtrainers.com>
Date: Wed, 3 Apr 2024 12:55:04 -0500
Subject: [PATCH 2/3] documentaiton

---
 README.md | 1 +
 1 file changed, 1 insertion(+)

diff --git a/README.md b/README.md
index ff6c451..4c49617 100644
--- a/README.md
+++ b/README.md
@@ -128,6 +128,7 @@ but might extended to include additional properties in the future.
 **Constructors**
 
 * `FeatureCollection.fromJson(Map<String, dynamic> json)` - Creates a [`FeatureCollection`](#Feature-Collection) from a JSON object. Automatically converts features from GeoJSON to their respective types.
+* `FeatureCollection.fromWKT(String wkt)` - Creates a [`FeatureCollection`](#Feature-Collection) from a Well-Known Text string.
 
 **Methods**
 

From 4c5608f185a3194d95c233db6bd181a9d1c8ad8a Mon Sep 17 00:00:00 2001
From: Noah Tatko <tatkon@rbtrainers.com>
Date: Wed, 3 Apr 2024 13:06:10 -0500
Subject: [PATCH 3/3] analyze time

---
 test/featureTypes/feature_collection_test.dart | 2 --
 1 file changed, 2 deletions(-)

diff --git a/test/featureTypes/feature_collection_test.dart b/test/featureTypes/feature_collection_test.dart
index c7a3c47..26e245a 100644
--- a/test/featureTypes/feature_collection_test.dart
+++ b/test/featureTypes/feature_collection_test.dart
@@ -1,5 +1,3 @@
-import 'dart:js_util';
-
 import 'package:geodart/geometries.dart';
 import 'package:test/test.dart';