Merge branch 'AdviceActivity' into 'main'

Updated:

See merge request !26

app/src/main/java/com/example/bloodglucose/AdviceActivity.kt

@@ -4,7 +4,16 @@ import android.content.Context
 import android.content.Intent
 import androidx.appcompat.app.AppCompatActivity
 import android.os.Bundle
+import android.util.Log
 import android.widget.Button
+import android.widget.ImageView
+import android.widget.TextView
+import com.bumptech.glide.Glide
+import com.google.firebase.firestore.ktx.firestore
+import com.google.firebase.ktx.Firebase
+import kotlin.random.Random
+import java.text.SimpleDateFormat
+import java.util.*
 
 class AdviceActivity : AppCompatActivity() {
     override fun onCreate(savedInstanceState: Bundle?) {
@@ -16,6 +25,44 @@ class AdviceActivity : AppCompatActivity() {
             val homeIntent = Intent(this@AdviceActivity, TodayActivity::class.java)
             startActivity(homeIntent)
         }
+        val imageView: ImageView = findViewById(R.id.imageView)
+        val textView: TextView = findViewById(R.id.textView)
+
+        val sharedPreferences = getSharedPreferences("MyApp", Context.MODE_PRIVATE)
+        val savedDate = sharedPreferences.getString("date", "")
+        val savedTip = sharedPreferences.getString("tip", "")
+        val savedImageUrl = sharedPreferences.getString("imageUrl", "")
+
+        val dateFormat = SimpleDateFormat("yyyy-MM-dd", Locale.US)
+        val currentDate = dateFormat.format(Date())
+
+        if (savedDate == currentDate && savedTip != "" && savedImageUrl != "") {
+            // Load the saved tip and image
+            textView.text = savedTip
+            Glide.with(this@AdviceActivity).load(savedImageUrl).into(imageView)
+        } else {
+            // Fetch a new random tip and image
+            Firebase.firestore.collection("tips").get().addOnSuccessListener { advice ->
+                val randomIndex = Random.nextInt(0, advice.size() - 1)
+                val item = advice.documents[randomIndex]
+
+                val url = item.getString("image")
+                val tipText = item.getString("text")
+
+                Glide.with(this@AdviceActivity).load(url).into(imageView)
+                textView.text = tipText
+
+                // Save the new tip and image URL
+                with(sharedPreferences.edit()) {
+                    putString("date", currentDate)
+                    putString("tip", tipText)
+                    putString("imageUrl", url)
+                    apply()
+                }
+            }.addOnFailureListener { exception ->
+                println("Error getting documents: $exception")
+            }
+        }
     }