started fedora parser

src/main/java/fr/packageviewer/FedoraParser/FedoraParser.java

@@ -4,24 +4,52 @@ import java.io.IOException;
 import java.net.URI;
 import java.util.ArrayList;
 import java.util.Collections;
+import java.util.HashMap;
 import java.util.List;
-
+import java.util.Map;
+import java.util.Scanner;
 import java.net.http.*;
 import org.json.*;
 
 public class FedoraParser {
 
-    public List<SearchedPackage> searchPackage(String packageName){
-        
+    private String getPackageFromAPI(String packageName) {
+        /* TODO
+         *
+         * Ok, to retrieve all the data we need about a package we get the 
+         * .spec file at the repo's root. The thing is that for pacakges
+         * that didn't had an update for a long time, the branch "main" doesn't
+         * exist, it's "master", so in the future we'll need to address this 
+         * case
+         * 
+         */
+        // create a new http client
+        HttpClient client = HttpClient.newHttpClient();
+        // and create its url
+        HttpRequest request = HttpRequest.newBuilder(URI.create("https://src.fedoraproject.org/rpms/"+packageName+"/raw/main/f/"+packageName+".spec")).build();
+        // send its url and return the string given
+        try {
+            return client.send(request, HttpResponse.BodyHandlers.ofString()).body();
+        } catch (IOException|InterruptedException e) {
+            e.printStackTrace();
+        }
+        // if there's an error, return an empty string
+        return "";
+    }
+
+    public List<SearchedPackage> searchPackage(String packageName) {
+
         HttpClient client = HttpClient.newHttpClient();
         HttpRequest request = HttpRequest.newBuilder()
-                .uri(URI.create("https://src.fedoraproject.org/api/0/projects?namepace=rpms&per_page=100&short=true&pattern="+packageName))
+                .uri(URI.create(
+                        "https://src.fedoraproject.org/api/0/projects?namepace=rpms&per_page=100&short=true&pattern="
+                                + packageName))
                 .build();
 
         HttpResponse<String> response;
-        try{
+        try {
             response = client.send(request, HttpResponse.BodyHandlers.ofString());
-        }catch(IOException|InterruptedException e){
+        } catch (IOException | InterruptedException e) {
             e.printStackTrace();
             return null;
         }
@@ -36,11 +64,26 @@ public class FedoraParser {
             JSONObject searchResultJson = (JSONObject) searchResultObj;
             // add package into to list
             searchedPackagesList.add(new SearchedPackage(
-                searchResultJson.getString("neofetch"),
-                searchResultJson.getString("fullname"),
-                searchResultJson.getString("description")
-            ));
+                    searchResultJson.getString("neofetch"),
+                    searchResultJson.getString("fullname"),
+                    searchResultJson.getString("description")));
         }
         return searchedPackagesList;
     }
+
+    private Map<String,String> parseSpecFile(String spec){
+        Map<String,String> results = new HashMap<>();
+        spec.indexOf("%description");
+        return results;
+    }
+
+    public Package getPackageTree(String packageName, int depth) {
+        String name, version, repo, description;
+        List<Package> deps = new ArrayList<>();
+
+        // parse the json
+        String spec = getPackageFromAPI(packageName);
+        return new Package("name", "version", "repo", "description", deps);
+    }
+
 }