Add methods to get parameters

src/entities/request.rs

@@ -1,3 +1,5 @@
+use std::collections::HashMap;
+
 use tiny_http::Request;
 
 pub trait Url {
@@ -10,6 +12,51 @@ impl Url for Request {
     }
 }
 
+pub trait Parameters {
+    fn get_post_parameters(&mut self) -> HashMap<String, String>;
+    fn get_get_parameters(&mut self) -> Option<HashMap<String, String>>;
+}
+
+impl Parameters for Request {
+    fn get_post_parameters(&mut self) -> HashMap<String, String> {
+        let mut content = String::new();
+        self.as_reader().read_to_string(&mut content).unwrap();
+
+        let mut key_value_pairs = HashMap::new();
+
+        let parts = content.split("&");
+
+        for part in parts {
+            let mut key_value = part.split("=");
+
+            key_value_pairs.insert(key_value.next().unwrap().to_string(), key_value.next().unwrap().to_string());
+        }
+
+        key_value_pairs
+    }
+
+    fn get_get_parameters(&mut self) -> Option<HashMap<String, String>> {
+        let content = self.url().split("?").nth(1);
+
+        if content.is_none() {
+            return None;
+        }
+
+        let content = content.unwrap();
+
+        let mut key_value_pairs = HashMap::new();
+
+        let parts = content.split("&");
+        for part in parts {
+            let mut key_value = part.split("=");
+
+            key_value_pairs.insert(key_value.next().unwrap().to_string(), key_value.next().unwrap().to_string());
+        }
+
+        Some(key_value_pairs)
+    }
+}
+
 #[cfg(test)]
 mod tests {
     use crate::entities::request::*;
@@ -27,4 +74,40 @@ mod tests {
 
         assert_eq!(request2.get_url_without_parameters(), "/test2");
     }
+
+    #[test]
+    fn test_get_post_parameters() {
+        let test_request = TestRequest::new();
+        let test_request = test_request.with_body("a=b&c=d");
+
+        let actual = Request::from(test_request).get_post_parameters();
+        let mut expected = HashMap::new();
+        expected.insert("a".to_string(), "b".to_string());
+        expected.insert("c".to_string(), "d".to_string());
+
+        assert_eq!(actual, expected);
+    }
+
+    #[test]
+    fn test_get_get_parameters_with_no_get_parameters() {
+        let test_request = TestRequest::new();
+        let test_request = test_request.with_path("/test");
+
+        let actual = Request::from(test_request).get_get_parameters();
+
+        assert_eq!(actual, None);
+    }
+
+    #[test]
+    fn test_get_get_parameters() {
+        let test_request = TestRequest::new();
+        let test_request = test_request.with_path("/test?a=b&c=d");
+
+        let actual = Request::from(test_request).get_get_parameters();
+        let mut expected = HashMap::new();
+        expected.insert("a".to_string(), "b".to_string());
+        expected.insert("c".to_string(), "d".to_string());
+
+        assert_eq!(actual, Some(expected));
+    }
 }