Add encode function for plist

Sources/InfoKit/Plist.swift

@@ -77,6 +77,35 @@ public class Plist<T: Codable> {
 
     }
 
+    /// Encode the data into plist file
+    ///
+    /// - Parameter data: class to encode
+    /// - Returns: whether encode and write to tht plist file success
+    public func encode(data: T) -> Bool {
+        guard let resource = self.resource else {
+            return false
+        }
+
+        guard let path = self.bundle.path(forResource: resource, ofType: "plist", inDirectory: nil) else {
+            #if DEBUG
+            print("Resource: \(resource) not found in bundle: \(self.bundle)")
+            #endif
+            return false
+        }
+
+        do {
+            let encoder = PropertyListEncoder()
+            let data = try encoder.encode(data)
+            try data.write(to: URL(fileURLWithPath: path))
+            return true
+        } catch {
+            #if DEBUG
+            print("Error Encoding \(error)")
+            #endif
+            return false
+        }
+    }
+
     /// Returns the value associated with the default bundled Info.plist file.
     ///
     /// - Parameter plist: The Plist provider

Tests/PlistTests.swift

@@ -71,4 +71,24 @@ class PlistTests: XCTestCase {
 
     }
 
+    func testEncodeUserProvidedPlist() {
+
+        // Mocks
+        struct Products: Codable {
+            let foo: String
+            let bar: String
+        }
+
+        // Given
+        let bundle = Bundle(for: PlistTests.self)
+        let plist = Plist<Products>("Products", in: bundle)
+
+        let newProduct = Products(foo: "new foo", bar: "new foo bar")
+
+        let result = plist.encode(data: newProduct)
+
+        XCTAssertEqual(result, true)
+
+    }
+
 }