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feat: add version upgrade functionality #132
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WalkthroughThe pull request involves refactoring the shared preferences and version management in the Android application. The changes include moving the Changes
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Actionable comments posted: 1
🧹 Nitpick comments (9)
app/src/main/java/ai/elimu/content_provider/util/SharedPreferencesHelper.java (4)
11-14
: Consider making preference keys private and adding documentation.The preference keys should be private to prevent external modification, and adding documentation would improve maintainability.
- public static final String SHARED_PREFS = "shared_prefs"; - public static final String PREF_APP_VERSION_CODE = "pref_app_version_code"; - public static final String PREF_LANGUAGE = "pref_language"; + /** Name of the SharedPreferences file */ + private static final String SHARED_PREFS = "shared_prefs"; + /** Key for storing the application version code */ + private static final String PREF_APP_VERSION_CODE = "pref_app_version_code"; + /** Key for storing the selected language */ + private static final String PREF_LANGUAGE = "pref_language";
16-30
: Add context validation and consider logging version changes.The methods should validate the context parameter and could benefit from logging version changes for debugging purposes.
public static void storeAppVersionCode(Context context, int appVersionCode) { + if (context == null) { + throw new IllegalArgumentException("Context cannot be null"); + } SharedPreferences sharedPreferences = context.getSharedPreferences(SHARED_PREFS, Context.MODE_PRIVATE); + int previousVersion = sharedPreferences.getInt(PREF_APP_VERSION_CODE, 0); sharedPreferences.edit().putInt(PREF_APP_VERSION_CODE, appVersionCode).apply(); + android.util.Log.i(SharedPreferencesHelper.class.getSimpleName(), + "Updated app version code from " + previousVersion + " to " + appVersionCode); }
33-50
: Add parameter validation and logging for language changes.The language management methods should validate input parameters and could benefit from logging language changes.
public static void storeLanguage(Context context, Language language) { + if (context == null) { + throw new IllegalArgumentException("Context cannot be null"); + } + if (language == null) { + throw new IllegalArgumentException("Language cannot be null"); + } SharedPreferences sharedPreferences = context.getSharedPreferences(SHARED_PREFS, Context.MODE_PRIVATE); + String previousLanguage = sharedPreferences.getString(PREF_LANGUAGE, null); sharedPreferences.edit().putString(PREF_LANGUAGE, language.toString()).apply(); + android.util.Log.i(SharedPreferencesHelper.class.getSimpleName(), + "Updated language from " + previousLanguage + " to " + language); }
9-51
: Consider adding version migration support.Since this class is part of the version upgrade functionality, consider adding methods to:
- Check if the app version has changed
- Handle version-specific migrations
Example addition:
/** * Checks if the app version has changed since the last launch * @return true if the version has changed, false otherwise */ public static boolean hasVersionChanged(Context context, int currentVersion) { int savedVersion = getAppVersionCode(context); return savedVersion > 0 && savedVersion != currentVersion; } /** * Interface for version-specific migrations */ public interface VersionMigration { void migrate(); } /** * Executes migrations for version upgrades */ public static void handleVersionMigration(Context context, int currentVersion, Map<Integer, VersionMigration> migrations) { int savedVersion = getAppVersionCode(context); if (savedVersion < currentVersion) { // Execute all migrations between saved and current version for (int version : migrations.keySet()) { if (version > savedVersion && version <= currentVersion) { migrations.get(version).migrate(); } } } }app/src/main/java/ai/elimu/content_provider/language/LanguageListDialogFragment.java (1)
Line range hint
86-90
: Consider improving error handling and state management.While the SharedPreferencesHelper usage is good, there are a few concerns to address:
- Add null check for context before usage
- Consider handling potential SharedPreferences failures
- Review if restarting MainActivity and finishing current activity is the best approach for language changes
Consider this safer implementation:
public void onClick(View v) { Log.i(getClass().getName(), "onClick"); Log.i(getClass().getName(), "language: " + language); - SharedPreferencesHelper.storeLanguage(getContext(), language); - Intent mainActivityIntent = new Intent(getContext(), MainActivity.class); - startActivity(mainActivityIntent); - getActivity().finish(); + Context context = getContext(); + if (context == null) { + Log.e(getClass().getName(), "Context is null"); + return; + } + try { + SharedPreferencesHelper.storeLanguage(context, language); + // Consider using recreate() instead of restart if possible + Intent mainActivityIntent = new Intent(context, MainActivity.class); + mainActivityIntent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP); + startActivity(mainActivityIntent); + if (getActivity() != null) { + getActivity().finish(); + } + } catch (Exception e) { + Log.e(getClass().getName(), "Failed to store language", e); + // Consider showing an error message to the user + } }app/src/main/java/ai/elimu/content_provider/util/VersionHelper.java (3)
8-11
: Enhance class documentationWhile the current documentation indicates the basic purpose, consider expanding it to include:
- Why version tracking is important
- When and where this helper should be used
- Example usage pattern
- What constitutes an "upgrade" scenario
13-22
: Improve error handling and parameter validationConsider these improvements:
- Add null check for the context parameter
- Consider returning a default value or throwing a checked exception instead of RuntimeException
- Use Log.d for method entry logging instead of Log.i to reduce log noise
public static int getAppVersionCode(Context context) { - Log.i(VersionHelper.class.getName(), "getAppVersionCode"); + Log.d(VersionHelper.class.getName(), "getAppVersionCode"); + if (context == null) { + throw new IllegalArgumentException("Context cannot be null"); + } try { PackageInfo packageInfo = context.getPackageManager().getPackageInfo(context.getPackageName(), 0); return packageInfo.versionCode; } catch (PackageManager.NameNotFoundException e) { - throw new RuntimeException("Could not get package name: " + e); + Log.e(VersionHelper.class.getName(), "Could not get package name", e); + return -1; // or throw a more specific checked exception } }
24-28
: Improve method documentationThe documentation should specify:
- Return value or void indication
- Possible exceptions that might be thrown
- Threading considerations
- The persistence behavior via SharedPreferencesHelper
app/src/main/java/ai/elimu/content_provider/BaseApplication.java (1)
18-19
: Document the version update functionalityThe purpose and effects of
VersionHelper.updateAppVersion
should be documented here, especially since it's part of application initialization.Add a comment explaining what this does, for example:
+ // Update stored app version code and detect upgrades VersionHelper.updateAppVersion(getApplicationContext());
📜 Review details
Configuration used: CodeRabbit UI
Review profile: CHILL
Plan: Pro
📒 Files selected for processing (6)
app/src/main/java/ai/elimu/content_provider/BaseApplication.java
(2 hunks)app/src/main/java/ai/elimu/content_provider/MainActivity.java
(1 hunks)app/src/main/java/ai/elimu/content_provider/language/LanguageListDialogFragment.java
(2 hunks)app/src/main/java/ai/elimu/content_provider/language/SharedPreferencesHelper.java
(0 hunks)app/src/main/java/ai/elimu/content_provider/util/SharedPreferencesHelper.java
(1 hunks)app/src/main/java/ai/elimu/content_provider/util/VersionHelper.java
(1 hunks)
💤 Files with no reviewable changes (1)
- app/src/main/java/ai/elimu/content_provider/language/SharedPreferencesHelper.java
✅ Files skipped from review due to trivial changes (1)
- app/src/main/java/ai/elimu/content_provider/MainActivity.java
🔇 Additional comments (8)
app/src/main/java/ai/elimu/content_provider/util/SharedPreferencesHelper.java (1)
1-8
: LGTM! Well-organized package structure and imports.The class has been appropriately placed in the util package, and imports are minimal and necessary.
app/src/main/java/ai/elimu/content_provider/language/LanguageListDialogFragment.java (2)
19-19
: LGTM! Good architectural improvement.Moving SharedPreferencesHelper to the util package better reflects its cross-cutting nature, improving code organization.
86-86
: Consider version upgrade implications for language settings.Since this PR adds version upgrade functionality, ensure that language preferences are properly maintained during version upgrades. Consider adding version-specific migration logic in SharedPreferencesHelper if the language storage format changes between versions.
Let's check if there's any version-specific handling in SharedPreferencesHelper:
app/src/main/java/ai/elimu/content_provider/util/VersionHelper.java (4)
45-47
: Implement or remove the upgrade handling templateThe commented-out upgrade handling code suggests incomplete implementation. Either:
- Implement the version-specific upgrade logic, or
- Remove the commented code and create a separate issue to track this enhancement
Would you like me to help create a GitHub issue to track the implementation of version-specific upgrade handlers?
28-51
: Add unit tests for version upgrade scenariosThe updateAppVersion method handles critical upgrade logic but appears to lack unit tests. Consider adding tests for:
- Fresh installation (oldVersionCode = 0)
- Normal upgrade path
- Same version reinstall
- Error scenarios
Would you like me to help generate a comprehensive test suite for this class?
1-52
: Verify complete version upgrade flowSince this is part of a larger version upgrade feature:
- Verify integration with BaseApplication.onCreate()
- Ensure SharedPreferencesHelper properly persists version information
✅ Verification successful
Version upgrade flow implementation verified
The version upgrade system is properly implemented with:
- Correct integration in BaseApplication.onCreate()
- Thread-safe version persistence via SharedPreferencesHelper
- Proper upgrade detection and handling in VersionHelper
🏁 Scripts executed
The following scripts were executed for the analysis:
Script:
#!/bin/bash # Check BaseApplication integration ast-grep --pattern 'class BaseApplication { $$$ onCreate() { $$$ VersionHelper.updateAppVersion($$$) $$$ } $$$ }' # Verify SharedPreferencesHelper implementation rg -A 5 "getAppVersionCode|storeAppVersionCode" --type javaLength of output: 3903
Script:
#!/bin/bash # Search for BaseApplication with broader pattern rg -B 2 -A 5 "class.*BaseApplication" --type java # Search for any calls to VersionHelper.updateAppVersion rg "VersionHelper\.updateAppVersion" --type javaLength of output: 977
31-37
: Potential race condition in version code updateThe check-then-act sequence between reading and writing the version code could lead to race conditions in concurrent scenarios. Consider making the version update atomic.
app/src/main/java/ai/elimu/content_provider/BaseApplication.java (1)
6-7
: LGTM! Improved package organizationMoving SharedPreferencesHelper to the util package and adding VersionHelper import aligns with better code organization practices.
Issue Number
Purpose
Technical Details
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Summary by CodeRabbit
Refactor
SharedPreferencesHelper
from thelanguage
package to theutil
packageSharedPreferencesHelper
andVersionHelper
in theutil
packageNew Features
Chores