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An easy way to upload the same filename to GitHub #582
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931a6b9
New GitHubUtils class to interact with GitHub API
miltonials bc01335
methods to get a unique name for a file in a GitHub repository
miltonials 56718f0
Using unique name for the file on commit
miltonials 3995d95
Manually performed translations are deleted
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,17 @@ | ||
| package net.osmtracker.util; | ||
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| /** | ||
| * A generic callback interface used for asynchronous operations. | ||
| * Implementations of this interface should define how to handle the result | ||
| * of an asynchronous task. | ||
| */ | ||
| public interface Callback { | ||
| /** | ||
| * Called when the asynchronous operation is completed. | ||
| * Implementations should handle the provided result accordingly. | ||
| * | ||
| * @param result The result of the operation, which may be {@code null} if an error occurs. | ||
| * @return A string value that may be used by the calling function, if applicable. | ||
| */ | ||
| String onResult(String result); | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,125 @@ | ||
| package net.osmtracker.util; | ||
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| import android.os.AsyncTask; | ||
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| import org.json.JSONException; | ||
| import org.json.JSONObject; | ||
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| import java.io.BufferedReader; | ||
| import java.io.IOException; | ||
| import java.io.InputStreamReader; | ||
| import java.net.HttpURLConnection; | ||
| import java.net.URL; | ||
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| /** | ||
| * Utility class for interacting with the GitHub API. | ||
| * Provides methods to retrieve file information and manage file uploads. | ||
| * | ||
| * <p>This class includes methods to: | ||
| * <ul> | ||
| * <li>Generate a unique filename within a GitHub repository.</li> | ||
| * <li>Retrieve the SHA hash of a file stored in a GitHub repository.</li> | ||
| * </ul> | ||
| * </p> | ||
| * | ||
| * <p>It requires a valid GitHub authentication token for API requests.</p> | ||
| */ | ||
| public class GitHubUtils { | ||
| /** | ||
| * Retrieves the SHA hash of a file in a GitHub repository. | ||
| * If the file does not exist, it returns {@code null}. | ||
| * | ||
| * @param repoOwner The owner of the repository (user or organization). | ||
| * @param repoName The name of the GitHub repository. | ||
| * @param repoFilePath The file path in the repository. | ||
| * @param token The GitHub authentication token with appropriate permissions. | ||
| * @return The SHA hash of the file if it exists, or {@code null} if the file is not found. | ||
| * @throws IOException If an I/O error occurs while making the request. | ||
| * @throws JSONException If an error occurs while parsing the JSON response. | ||
| */ | ||
| public static void getFileSHAAsync(String repoOwner, String repoName, String repoFilePath, String token, Callback callback) { | ||
| new AsyncTask<Void, Void, String>() { | ||
| @Override | ||
| protected String doInBackground(Void... voids) { | ||
| try { | ||
| String apiUrl = "https://api.github.com/repos/" + repoOwner + "/" + repoName + "/contents/" + repoFilePath; | ||
| System.out.println("Fetching SHA: " + apiUrl); | ||
| HttpURLConnection connection = (HttpURLConnection) new URL(apiUrl).openConnection(); | ||
| connection.setRequestMethod("GET"); | ||
| connection.setRequestProperty("Authorization", "Bearer " + token); | ||
| connection.setRequestProperty("Accept", "application/vnd.github.v3+json"); | ||
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| if (connection.getResponseCode() == 200) { | ||
| BufferedReader reader = new BufferedReader(new InputStreamReader(connection.getInputStream())); | ||
| StringBuilder response = new StringBuilder(); | ||
| String line; | ||
| while ((line = reader.readLine()) != null) { | ||
| response.append(line); | ||
| } | ||
| reader.close(); | ||
| JSONObject jsonResponse = new JSONObject(response.toString()); | ||
| return jsonResponse.getString("sha"); | ||
| } | ||
| } catch (Exception e) { | ||
| e.printStackTrace(); | ||
| } | ||
| return null; | ||
| } | ||
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| @Override | ||
| protected void onPostExecute(String sha) { | ||
| callback.onResult(sha); // Return result via callback | ||
| } | ||
| }.execute(); | ||
| } | ||
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| /** | ||
| * Asynchronously generates a unique filename in a GitHub repository. | ||
| * If the file already exists, a number is appended before the extension. | ||
| * | ||
| * @param repoOwner The owner of the repository. | ||
| * @param repoName The name of the GitHub repository. | ||
| * @param repoFilePath The initial file path in the repository. | ||
| * @param token The GitHub authentication token. | ||
| * @param callback Callback to return the generated filename. | ||
| */ | ||
| public static void getGHFilenameAsync(String repoOwner, String repoName, final String repoFilePath, String token, Callback callback) { | ||
| String filename = repoFilePath.substring(0, repoFilePath.lastIndexOf(".")); | ||
| String extension = repoFilePath.substring(repoFilePath.lastIndexOf(".")); | ||
| checkFileExists(repoOwner, repoName, filename, extension, 0, token, callback); | ||
| } | ||
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| /** | ||
| * Recursively checks if a file exists and generates a unique filename. | ||
| * | ||
| * @param repoOwner The owner of the repository. | ||
| * @param repoName The GitHub repository name. | ||
| * @param filename The base filename (without extension). | ||
| * @param extension The file extension. | ||
| * @param count The current attempt number for uniqueness. | ||
| * @param token The GitHub authentication token. | ||
| * @param callback Callback to return the final unique filename. | ||
| */ | ||
| private static void checkFileExists(String repoOwner, String repoName, String filename, String extension, int count, String token, Callback callback) { | ||
| String newFilename;// (count == 0) ? filename + extension : filename + "(" + count + ")" + extension; | ||
| if (count == 0) { | ||
| newFilename = filename + extension; | ||
| } else { | ||
| newFilename = filename + "(" + count + ")" + extension; | ||
| } | ||
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| getFileSHAAsync(repoOwner, repoName, newFilename, token, new Callback() { | ||
| @Override | ||
| public String onResult(String sha) { | ||
| if (sha == null) { | ||
| // File does not exist, return the new unique filename | ||
| callback.onResult(newFilename); | ||
| } else { | ||
| // File exists, recursively try with the next count | ||
| checkFileExists(repoOwner, repoName, filename, extension, count + 1, token, callback); | ||
| } | ||
| return null; | ||
| } | ||
| }); | ||
| } | ||
| } |
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