1 files changed, 100 insertions, 0 deletions
diff --git a/src/main/java/io/github/moulberry/notenoughupdates/NEUIO.java b/src/main/java/io/github/moulberry/notenoughupdates/NEUIO.java
new file mode 100644
index 00000000..a89bd1dc
--- /dev/null
+++ b/src/main/java/io/github/moulberry/notenoughupdates/NEUIO.java
@@ -0,0 +1,100 @@
+package io.github.moulberry.notenoughupdates;
+
+import org.kohsuke.github.*;
+
+import java.io.IOException;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+import java.util.Set;
+
+public class NEUIO {
+
+    private final String accessToken;
+
+    public NEUIO(String accessToken) {
+        this.accessToken = accessToken;
+    }
+
+    /**
+     * Creates a new branch, commits to it with a single file change and submits a pull request from the new branch
+     * back to the master branch.
+     */
+    public boolean createNewRequest(String newBranchName, String prTitle, String prBody, String filename, String content) {
+        try {
+            GitHub github = new GitHubBuilder().withOAuthToken(accessToken).build();
+            System.out.println("Getting repo");
+
+            //https://github.com/Moulberry/NotEnoughUpdates-REPO
+            GHRepository repo = github.getRepositoryById("247692460");
+
+            System.out.println("Getting last commit");
+            String lastCommitSha = repo.getRef("heads/master").getObject().getSha();
+            System.out.println("Last master commit sha: " + lastCommitSha);
+
+            String lastTreeSha = repo.getCommit(lastCommitSha).getTree().getSha();
+
+            GHTreeBuilder tb = repo.createTree();
+            tb.baseTree(lastTreeSha);
+            tb.add(filename, content, false);
+            GHTree tree = tb.create();
+            System.out.println("Created new tree: " + tree.getSha());
+
+            GHCommitBuilder cb = repo.createCommit();
+            cb.message(prTitle);
+            cb.tree(tree.getSha());
+            cb.parent(lastCommitSha);
+            GHCommit commit = cb.create();
+            System.out.println("Created commit: " + commit.getSHA1());
+
+            repo.createRef("refs/heads/"+newBranchName, commit.getSHA1());
+            System.out.println("Set new branch head to commit.");
+
+            repo.createPullRequest(prTitle, newBranchName, "master", prBody);
+            return true;
+        } catch(IOException e) {
+            e.printStackTrace();
+            return false;
+        }
+    }
+
+    /**
+     * @param oldShas Map from filename (eg. BOW.json) to the sha in the local repository
+     * @return Map from filename to the new shas
+     */
+    public Map<String, String> getChangedItems(Map<String, String> oldShas) {
+        HashMap<String, String> changedFiles = new HashMap<>();
+        try {
+            GitHub github = new GitHubBuilder().withOAuthToken(accessToken).build();
+            GHRepository repo = github.getRepositoryById("247692460");
+
+            for(GHContent content : repo.getDirectoryContent("items")) {
+                String oldSha = oldShas.get(content.getName());
+                if(!content.getSha().equals(oldSha)) {
+                    changedFiles.put(content.getName(), content.getSha());
+                }
+            }
+        } catch(IOException e) {
+            return null;
+        }
+        return changedFiles;
+    }
+
+    /**
+     * Takes set of filename (eg. BOW.json) and returns map from that filename to the individual download link.
+     */
+    public Map<String, String> getItemsDownload(Set<String> filename) {
+        HashMap<String, String> downloadUrls = new HashMap<>();
+        try {
+            GitHub github = new GitHubBuilder().withOAuthToken(accessToken).build();
+            GHRepository repo = github.getRepositoryById("247692460");
+
+            for(GHContent content : repo.getDirectoryContent("items")) {
+                if(filename.contains(content.getName())) {
+                    downloadUrls.put(content.getName(), content.getDownloadUrl());
+                }
+            }
+        } catch(IOException e) { }
+        return downloadUrls;
+    }
+}