Add API class

build.gradle

@@ -12,6 +12,7 @@ repositories {
 dependencies {
     testImplementation group: 'org.junit.jupiter', name: 'junit-jupiter-api', version: '5.10.0'
     testRuntimeOnly group: 'org.junit.jupiter', name: 'junit-jupiter-engine', version: '5.10.0'
+    implementation 'com.googlecode.json-simple:json-simple:1.1.1'
 }
 
 test {

src/main/java/seedu/duke/Duke.java

@@ -8,7 +8,6 @@ public class Duke {
     public static void main(String[] args) {
         ModulePlannerController controller = new ModulePlannerController();
         controller.start();
-
     }
 
 }

src/main/java/seedu/duke/controllers/ModulePlannerController.java

@@ -1,28 +1,37 @@
 package seedu.duke.controllers;
 
+import org.json.simple.JSONObject;
 import seedu.duke.CompletePreqs;
 import seedu.duke.ModuleList;
 import seedu.duke.models.Major;
 import seedu.duke.models.Student;
 import seedu.duke.views.CommandLineView;
 import seedu.duke.utils.Parser;
+import seedu.duke.models.*;
+import seedu.duke.views.ModuleInfo;
+
+import java.net.URISyntaxException;
+
+import java.io.InvalidObjectException;
+import java.util.ArrayList;
+import java.util.Arrays;
+
+
 
 import java.io.InvalidObjectException;
 import java.util.ArrayList;
 import java.util.Arrays;
+
 import java.util.Scanner;
 import java.util.HashMap;
 import java.util.List;
 public class ModulePlannerController {
     private CommandLineView view;
     private Parser parser;
-
     private Student student;
-
     private ModuleList modulesMajor;
     private ModuleList modulesTaken;
     private ModuleList modulesLeft;
-
     private HashMap<String, List<String>> modsWithPreqs;
     private CompletePreqs addModulePreqs;
 
@@ -87,6 +96,15 @@ public void start() {
                 computePace(words, creditsLeft);
                 break;
             }
+            case "info": {
+                String moduleCode = words[1];
+                try {
+                    JSONObject moduleInfo = Api.getModuleInfo(moduleCode);
+                    ModuleInfo.printModule(moduleInfo);
+                } catch (URISyntaxException e) {
+                    throw new RuntimeException(e);
+                }
+            }
             case "major": {
                 updateMajor(words[1]);
                 break;

src/main/java/seedu/duke/models/Api.java

@@ -0,0 +1,51 @@
+package seedu.duke.models;
+import java.net.URI;
+import java.net.URISyntaxException;
+import java.net.http.HttpClient;
+import java.net.http.HttpRequest;
+import java.net.http.HttpResponse;
+import java.util.concurrent.CompletableFuture;
+
+import org.json.simple.JSONArray;
+import org.json.simple.JSONObject;
+import org.json.simple.parser.JSONParser;
+import org.json.simple.parser.ParseException;
+import seedu.duke.views.ModuleInfo;
+
+
+public class Api {
+    public static JSONObject getModuleInfo(String moduleCode) throws URISyntaxException {
+        String url = "https://api.nusmods.com/v2/2023-2024/modules/" + moduleCode + ".json";
+        HttpClient client = HttpClient.newHttpClient();
+        HttpRequest request = HttpRequest.newBuilder()
+                .uri(new URI(url))
+                .GET()
+                .build();
+        try {
+            HttpResponse<String> response = client.send(request, HttpResponse.BodyHandlers.ofString());
+            int statusCode = response.statusCode();
+            String responseBody = response.body();
+            JSONParser parser = new JSONParser();
+            JSONObject moduleInfo = (JSONObject) parser.parse(responseBody);
+            ModuleInfo.printModule(moduleInfo);
+            return moduleInfo;
+            // Now you can access individual properties in the JSON
+            //           String preclusionRule = (String) jsonObject.get("preclusionRule");
+            //           String additionalInformation = (String) jsonObject.get("additionalInformation");
+            //           JSONArray aliasesArray = (JSONArray) jsonObject.get("aliases");
+            //           System.out.println(JsonFormatter.formatJson(responseBody));
+            //      System.out.println(preclusionRule);
+            //      System.out.println(additionalInformation);
+        } catch (Exception e) {
+            e.printStackTrace();
+        }
+        return null;
+    }
+
+
+}
+ //   public static String getModuleName(JSONObject module) {
+//        return (String) module.get("moduleName");
+//    }
+
+

src/main/java/seedu/duke/models/JsonFormatter.java

@@ -0,0 +1,39 @@
+package seedu.duke.models;
+
+public class JsonFormatter {
+    public static String formatJson(String jsonString) {
+        int indentLevel = 0;
+        StringBuilder formattedJson = new StringBuilder();
+
+        for (char charFromJson : jsonString.toCharArray()) {
+            if (charFromJson == '{' || charFromJson == '[') {
+                indentLevel++;
+                formattedJson.append(charFromJson).append("\n").append(getIndentString(indentLevel));
+            } else if (charFromJson == '}' || charFromJson == ']') {
+                indentLevel--;
+                formattedJson.append("\n").append(getIndentString(indentLevel)).append(charFromJson);
+            } else if (charFromJson == ',') {
+                formattedJson.append(charFromJson).append("\n").append(getIndentString(indentLevel));
+            } else {
+                formattedJson.append(charFromJson);
+            }
+        }
+
+        return formattedJson.toString();
+    }
+
+    private static String getIndentString(int indentLevel) {
+        StringBuilder indentString = new StringBuilder();
+        for (int i = 0; i < indentLevel; i++) {
+            indentString.append("\t"); // Use tabs for indentation (you can change this to spaces if desired)
+        }
+        return indentString.toString();
+    }
+}
+
+
+
+
+
+
+

src/main/java/seedu/duke/views/ModuleInfo.java

@@ -0,0 +1,10 @@
+package seedu.duke.views;
+
+import org.json.simple.JSONObject;
+
+public class ModuleInfo {
+    public static void printModule(JSONObject module) {
+        System.out.println(module);
+    }
+
+}

src/test/java/seedu/duke/ApiTest.java

@@ -0,0 +1,19 @@
+package seedu.duke;
+
+import org.json.simple.JSONObject;
+import seedu.duke.models.Api;
+import seedu.duke.views.ModuleInfo;
+
+import java.util.concurrent.CompletableFuture;
+
+public class ApiTest {
+        public static void main(String[] args) throws Exception {
+            // test setup
+            String moduleCode = "CS2113";
+            JSONObject moduleInfo = Api.getModuleInfo(moduleCode);
+            ModuleInfo.printModule(moduleInfo);
+
+            // more tests...
+            System.out.println("All tests passed");
+        }
+}