Add GitHub OAuth integration with LoginButton and createGitHubAuthIntent

app/src/main/java/com/notifier/app/MainActivity.kt

@@ -8,7 +8,7 @@ import androidx.compose.foundation.layout.fillMaxSize
 import androidx.compose.foundation.layout.padding
 import androidx.compose.material3.Scaffold
 import androidx.compose.ui.Modifier
-import com.notifier.app.auth.presentation.LoginButton
+import com.notifier.app.auth.presentation.components.LoginButton
 import com.notifier.app.ui.theme.GitHubNotifierTheme
 import dagger.hilt.android.AndroidEntryPoint
 
@@ -20,10 +20,7 @@ class MainActivity : ComponentActivity() {
  setContent {
  GitHubNotifierTheme {
  Scaffold(modifier = Modifier.fillMaxSize()) { innerPadding ->
- LoginButton(
- modifier = Modifier.padding(innerPadding),
- onClick = {}
- )
+ LoginButton(modifier = Modifier.padding(innerPadding))
  }
  }
  }

app/src/main/java/com/notifier/app/auth/presentation/LoginButton.kt → app/src/main/java/com/notifier/app/auth/presentation/components/LoginButton.kt

@@ -1,17 +1,22 @@
-package com.notifier.app.auth.presentation
+package com.notifier.app.auth.presentation.components
 
 import androidx.compose.material3.Button
 import androidx.compose.material3.Text
 import androidx.compose.runtime.Composable
 import androidx.compose.ui.Modifier
+import androidx.compose.ui.platform.LocalContext
 import androidx.compose.ui.tooling.preview.Preview
+import com.notifier.app.auth.presentation.util.createGitHubAuthIntent
 import com.notifier.app.ui.theme.GitHubNotifierTheme
 
 @Composable
-fun LoginButton(onClick: () -> Unit, modifier: Modifier = Modifier) {
+fun LoginButton(modifier: Modifier = Modifier) {
+ val context = LocalContext.current
  Button(
  modifier = modifier,
- onClick = onClick,
+ onClick = {
+ context.startActivity(createGitHubAuthIntent())
+ },
  ) {
  Text("Login with GitHub")
  }
@@ -21,6 +26,6 @@ fun LoginButton(onClick: () -> Unit, modifier: Modifier = Modifier) {
 @Composable
 private fun LoginButtonPreview() {
  GitHubNotifierTheme {
- LoginButton(onClick = {})
+ LoginButton()
  }
 }

app/src/main/java/com/notifier/app/auth/presentation/util/createGitHubAuthIntent.kt

@@ -0,0 +1,22 @@
+package com.notifier.app.auth.presentation.util
+
+import android.content.Intent
+import androidx.core.net.toUri
+import com.notifier.app.BuildConfig
+import java.util.UUID
+
+private const val GITHUB_AUTH_BASE_URL = "https://github.com/login/oauth/authorize"
+
+/**
+ * Creates an [Intent] to launch the GitHub OAuth authorization page in a browser.
+ *
+ * @return [Intent] configured with the GitHub OAuth URL and required parameters.
+ */
+fun createGitHubAuthIntent(): Intent {
+ val clientId = BuildConfig.CLIENT_ID
+ val state = UUID.randomUUID().toString()
+
+ val authUrl = "$GITHUB_AUTH_BASE_URL?client_id=$clientId&state=$state"
+
+ return Intent(Intent.ACTION_VIEW, authUrl.toUri())
+}