From 8e5b29fd7143e6f45a7149fd6acac4c7cdf41adf Mon Sep 17 00:00:00 2001
From: Manshant7 <manshant4793.be23@chitkara.edu.in>
Date: Mon, 18 May 2026 16:37:54 +1000
Subject: [PATCH] Sprint 2 prescription delete and discontinue

---
 app/build.gradle                              |   1 +
 app/src/main/AndroidManifest.xml              |  47 ++--
 .../guardian/services/api/ApiService.kt       |  27 ++-
 .../guardian/view/general/Homepage4doctor.kt  |  10 +-
 .../view/general/PrescriptionActivity.kt      | 217 ++++++++++++++++++
 .../res/layout/activity_homepage4doctor.xml   |  33 ++-
 .../main/res/layout/activity_prescription.xml |  56 +++++
 7 files changed, 350 insertions(+), 41 deletions(-)
 create mode 100644 app/src/main/java/deakin/gopher/guardian/view/general/PrescriptionActivity.kt
 create mode 100644 app/src/main/res/layout/activity_prescription.xml

diff --git a/app/build.gradle b/app/build.gradle
index 18f94621d..63c83125e 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -112,6 +112,7 @@ dependencies {
     implementation 'androidx.compose.material3:material3'
     implementation platform('androidx.compose:compose-bom:2024.08.00')
     implementation platform('androidx.compose:compose-bom:2024.08.00')
+    implementation 'androidx.activity:activity:1.8.0'
 
 
     testImplementation 'junit:junit:4.13.2'
diff --git a/app/src/main/AndroidManifest.xml b/app/src/main/AndroidManifest.xml
index 31d6a312a..6af009f2b 100644
--- a/app/src/main/AndroidManifest.xml
+++ b/app/src/main/AndroidManifest.xml
@@ -5,21 +5,15 @@
     <uses-feature
         android:name="android.hardware.camera"
         android:required="false" />
-    <uses-permission android:name="android.permission.INTERNET" />
-    <!-- For reading images -->
-    <uses-permission android:name="android.permission.READ_MEDIA_IMAGES" />
 
-    <!-- For reading videos -->
+    <uses-permission android:name="android.permission.INTERNET" /> <!-- For reading images -->
+    <uses-permission android:name="android.permission.READ_MEDIA_IMAGES" /> <!-- For reading videos -->
     <uses-permission android:name="android.permission.READ_MEDIA_VIDEO" />
-    <uses-permission android:name="android.permission.CAMERA" />
-
-
-    <!-- For reading audio -->
-    <uses-permission android:name="android.permission.READ_MEDIA_AUDIO" />
-
-    <!-- Add WRITE permissions only if necessary -->
-    <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" android:maxSdkVersion="28" />
-    <!-- Add the permission here -->
+    <uses-permission android:name="android.permission.CAMERA" /> <!-- For reading audio -->
+    <uses-permission android:name="android.permission.READ_MEDIA_AUDIO" /> <!-- Add WRITE permissions only if necessary -->
+    <uses-permission
+        android:name="android.permission.WRITE_EXTERNAL_STORAGE"
+        android:maxSdkVersion="28" /> <!-- Add the permission here -->
     <uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" />
     <uses-permission android:name="android.permission.POST_NOTIFICATIONS" />
 
@@ -34,9 +28,12 @@
         android:supportsRtl="true"
         android:theme="@style/AppTheme"
         android:usesCleartextTraffic="true"
+        tools:ignore="ExtraText"
         tools:replace="android:allowBackup,android:label"
-        tools:targetApi="31"
-        tools:ignore="ExtraText">
+        tools:targetApi="31">
+        <activity
+            android:name=".view.general.PrescriptionActivity"
+            android:exported="false" />
         <activity
             android:name=".WelcomeActivity"
             android:exported="false" />
@@ -45,7 +42,7 @@
             android:exported="false" />
         <activity
             android:name=".Training2"
-            android:exported="false"></activity>
+            android:exported="false" />
         <activity
             android:name=".Training"
             android:exported="false" />
@@ -161,7 +158,8 @@
         <activity
             android:name=".view.general.LoginActivity"
             android:exported="false" />
-        <activity android:name=".view.general.PinCodeActivity"
+        <activity
+            android:name=".view.general.PinCodeActivity"
             android:exported="false" />
         <activity
             android:name=".view.general.AddNewPatientActivity"
@@ -187,35 +185,26 @@
         <activity
             android:name=".view.general.TasksListActivity"
             android:exported="false" />
-
         <activity android:name=".ModulesActivity" />
-
-
         <activity android:name=".Module1CoursesActivity" />
         <activity android:name=".HomecareInductionActivity" />
         <activity android:name=".InfectionControlActivity" />
         <activity android:name=".SupportingMealtimesActivity" />
-
-
         <activity android:name=".Module2CoursesActivity" />
         <activity android:name=".MedicationTechniqueActivity" />
         <activity android:name=".MedicationSafetyActivity" />
-
-
         <activity android:name=".Module3CoursesActivity" />
         <activity android:name=".InspiringLeadershipEIActivity" />
         <activity android:name=".EmotionalIntelligenceCommunicationActivity" />
-        <activity android:name="deakin.gopher.guardian.view.general.NurseRosterActivity" />
+        <activity android:name=".view.general.NurseRosterActivity" />
         <activity android:name=".view.falldetection.FallDetectionActivity" />
         <activity android:name=".view.falldetection.FallAlertActivity" />
-        <activity android:name="deakin.gopher.guardian.view.caretaker.notifications.confirmincident.CallAmbulanceActivity" />
-
+        <activity android:name=".view.caretaker.notifications.confirmincident.CallAmbulanceActivity" />
         <activity
             android:name=".PatientExerciseModules"
             android:exported="false"
             android:label="Patient Exercise Modules" />
 
-
         <service
             android:name=".model.FirebaseMessagingService"
             android:exported="false">
@@ -228,7 +217,7 @@
             android:name="preloaded_fonts"
             android:resource="@array/preloaded_fonts" />
 
-        <activity android:name=".view.general.DashboardActivity"/>
+        <activity android:name=".view.general.DashboardActivity" />
     </application>
 
 </manifest>
\ No newline at end of file
diff --git a/app/src/main/java/deakin/gopher/guardian/services/api/ApiService.kt b/app/src/main/java/deakin/gopher/guardian/services/api/ApiService.kt
index 0e9ea177e..85ff159d5 100644
--- a/app/src/main/java/deakin/gopher/guardian/services/api/ApiService.kt
+++ b/app/src/main/java/deakin/gopher/guardian/services/api/ApiService.kt
@@ -22,7 +22,7 @@ import retrofit2.http.POST
 import retrofit2.http.Part
 import retrofit2.http.Path
 import retrofit2.http.Query
-
+import okhttp3.ResponseBody
 interface ApiService {
     @POST("auth/register")
     fun register(
@@ -91,4 +91,29 @@ interface ApiService {
         @Header("Authorization") token: String,
         @Path("id") patientId: String,
     ): Response<BaseModel>
+
+
+    @GET("patients/{patientId}/prescriptions")
+    suspend fun getPrescriptionsForPatient(
+        @Header("Authorization") token: String,
+        @Path("patientId") patientId: String,
+    ): Response<ResponseBody>
+
+    @POST("prescriptions/{id}/discontinue")
+    suspend fun discontinuePrescription(
+        @Header("Authorization") token: String,
+        @Path("id") prescriptionId: String,
+    ): Response<ResponseBody>
+
+    @DELETE("prescriptions/{id}")
+    suspend fun deletePrescription(
+        @Header("Authorization") token: String,
+        @Path("id") prescriptionId: String,
+    ): Response<ResponseBody>
+
+    @GET("doctors/{doctorId}/patients")
+    suspend fun getPatientsForDoctor(
+        @Header("Authorization") token: String,
+        @Path("doctorId") doctorId: String,
+    ): Response<ResponseBody>
 }
diff --git a/app/src/main/java/deakin/gopher/guardian/view/general/Homepage4doctor.kt b/app/src/main/java/deakin/gopher/guardian/view/general/Homepage4doctor.kt
index fb2461467..e2118af98 100644
--- a/app/src/main/java/deakin/gopher/guardian/view/general/Homepage4doctor.kt
+++ b/app/src/main/java/deakin/gopher/guardian/view/general/Homepage4doctor.kt
@@ -1,5 +1,6 @@
 package deakin.gopher.guardian.view.general
 
+import android.content.Intent
 import android.os.Bundle
 import android.widget.Button
 import androidx.appcompat.app.AppCompatActivity
@@ -11,10 +12,17 @@ class Homepage4doctor : AppCompatActivity() {
         super.onCreate(savedInstanceState)
         setContentView(R.layout.activity_homepage4doctor)
 
+        val prescriptionButton: Button = findViewById(R.id.prescriptionButton)
         val signOutButton: Button = findViewById(R.id.signOutButton_doctor)
+
+        prescriptionButton.setOnClickListener {
+            val intent = Intent(this, PrescriptionActivity::class.java)
+            startActivity(intent)
+        }
+
         signOutButton.setOnClickListener {
             EmailPasswordAuthService.signOut(this)
             finish()
         }
     }
-}
+}
\ No newline at end of file
diff --git a/app/src/main/java/deakin/gopher/guardian/view/general/PrescriptionActivity.kt b/app/src/main/java/deakin/gopher/guardian/view/general/PrescriptionActivity.kt
new file mode 100644
index 000000000..33b6eff39
--- /dev/null
+++ b/app/src/main/java/deakin/gopher/guardian/view/general/PrescriptionActivity.kt
@@ -0,0 +1,217 @@
+package deakin.gopher.guardian.view.general
+
+import android.os.Bundle
+import android.widget.Button
+import android.widget.EditText
+import android.widget.TextView
+import android.widget.Toast
+import androidx.appcompat.app.AlertDialog
+import androidx.appcompat.app.AppCompatActivity
+import androidx.lifecycle.lifecycleScope
+import deakin.gopher.guardian.R
+import deakin.gopher.guardian.model.login.SessionManager
+import deakin.gopher.guardian.services.api.ApiClient
+import kotlinx.coroutines.launch
+import org.json.JSONObject
+
+class PrescriptionActivity : AppCompatActivity() {
+    private lateinit var resultText: TextView
+    private lateinit var prescriptionIdInput: EditText
+
+    private val patientIds = listOf(
+        "6a05a5ca0887fc839270495d",
+        "6a05a5ca0887fc839270495e",
+        "6a05a5ca0887fc839270495f",
+        "69dca7f5e3887dde19d9f6e2"
+    )
+
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        setContentView(R.layout.activity_prescription)
+
+        resultText = findViewById(R.id.resultText)
+        prescriptionIdInput = findViewById(R.id.prescriptionIdInput)
+
+        findViewById<Button>(R.id.fetchButton).setOnClickListener {
+            fetchPrescriptions()
+        }
+
+        findViewById<Button>(R.id.discontinueButton).setOnClickListener {
+            confirmDiscontinue()
+        }
+
+        findViewById<Button>(R.id.deleteButton).setOnClickListener {
+            confirmDelete()
+        }
+
+        fetchPrescriptions()
+    }
+
+    private fun fetchPrescriptions() {
+        lifecycleScope.launch {
+            try {
+                resultText.text = "Loading prescriptions..."
+
+                val token = "Bearer ${SessionManager.getToken()}"
+                val output = StringBuilder()
+
+                output.append("Prescriptions for all assigned patient\n\n")
+
+                for (patientId in patientIds) {
+                    val response =
+                        ApiClient.apiService.getPrescriptionsForPatient(
+                            token = token,
+                            patientId = patientId
+                        )
+
+                    if (response.isSuccessful) {
+                        val json = response.body()?.string() ?: ""
+                        val root = JSONObject(json)
+                        val prescriptions = root.getJSONArray("prescriptions")
+
+                        if (prescriptions.length() == 0) {
+                            output.append("Patient ID: $patientId\n")
+                            output.append("No prescriptions found.\n\n")
+                        } else {
+                            for (i in 0 until prescriptions.length()) {
+                                val prescription = prescriptions.getJSONObject(i)
+                                val items = prescription.getJSONArray("items")
+                                val medicine = items.getJSONObject(0)
+
+                                val patientName =
+                                    if (prescription.get("patient") is JSONObject) {
+                                        prescription.getJSONObject("patient")
+                                            .optString("fullname", "Unknown Patient")
+                                    } else {
+                                        "Patient ID: ${prescription.getString("patient")}"
+                                    }
+
+                                output.append("Patient: $patientName\n")
+                                output.append("Patient ID: $patientId\n")
+                                output.append("Prescription ID: ${prescription.getString("_id")}\n")
+                                output.append("Medication: ${medicine.getString("name")}\n")
+                                output.append("Dose: ${medicine.getString("dose")}\n")
+                                output.append("Frequency: ${medicine.getString("frequency")}\n")
+                                output.append("Duration: ${medicine.getInt("durationDays")} days\n")
+                                output.append("Status: ${prescription.getString("status").uppercase()}\n")
+                                output.append("----------------------------\n\n")
+                            }
+                        }
+                    } else {
+                        output.append("Patient ID: $patientId\n")
+                        output.append("Failed to fetch prescriptions. Code: ${response.code()}\n\n")
+                    }
+                }
+
+                resultText.text = output.toString()
+
+                Toast.makeText(
+                    this@PrescriptionActivity,
+                    "Prescriptions loaded",
+                    Toast.LENGTH_SHORT
+                ).show()
+            } catch (e: Exception) {
+                resultText.text = "Error occurred:\n${e.message}"
+            }
+        }
+    }
+
+    private fun confirmDiscontinue() {
+        val prescriptionId = prescriptionIdInput.text.toString().trim()
+
+        if (prescriptionId.isEmpty()) {
+            Toast.makeText(this, "Enter prescription ID first", Toast.LENGTH_SHORT).show()
+            return
+        }
+
+        AlertDialog.Builder(this)
+            .setTitle("Discontinue Prescription")
+            .setMessage("Are you sure you want to discontinue this prescription?\n\n$prescriptionId")
+            .setPositiveButton("Discontinue") { _, _ ->
+                discontinuePrescription(prescriptionId)
+            }
+            .setNegativeButton("Cancel", null)
+            .show()
+    }
+
+    private fun confirmDelete() {
+        val prescriptionId = prescriptionIdInput.text.toString().trim()
+
+        if (prescriptionId.isEmpty()) {
+            Toast.makeText(this, "Enter prescription ID first", Toast.LENGTH_SHORT).show()
+            return
+        }
+
+        AlertDialog.Builder(this)
+            .setTitle("Delete Prescription")
+            .setMessage("Are you sure you want to delete this prescription?\n\n$prescriptionId\n\nThis cannot be undone.")
+            .setPositiveButton("Delete") { _, _ ->
+                deletePrescription(prescriptionId)
+            }
+            .setNegativeButton("Cancel", null)
+            .show()
+    }
+
+    private fun discontinuePrescription(prescriptionId: String) {
+        lifecycleScope.launch {
+            try {
+                resultText.text = "Discontinuing prescription..."
+
+                val token = "Bearer ${SessionManager.getToken()}"
+
+                val response =
+                    ApiClient.apiService.discontinuePrescription(
+                        token = token,
+                        prescriptionId = prescriptionId
+                    )
+
+                if (response.isSuccessful) {
+                    Toast.makeText(
+                        this@PrescriptionActivity,
+                        "Prescription discontinued",
+                        Toast.LENGTH_SHORT
+                    ).show()
+
+                    fetchPrescriptions()
+                } else {
+                    resultText.text =
+                        "Failed to discontinue prescription.\nCode: ${response.code()}\nMessage: ${response.message()}"
+                }
+            } catch (e: Exception) {
+                resultText.text = "Error occurred:\n${e.message}"
+            }
+        }
+    }
+
+    private fun deletePrescription(prescriptionId: String) {
+        lifecycleScope.launch {
+            try {
+                resultText.text = "Deleting prescription..."
+
+                val token = "Bearer ${SessionManager.getToken()}"
+
+                val response =
+                    ApiClient.apiService.deletePrescription(
+                        token = token,
+                        prescriptionId = prescriptionId
+                    )
+
+                if (response.isSuccessful) {
+                    Toast.makeText(
+                        this@PrescriptionActivity,
+                        "Prescription deleted",
+                        Toast.LENGTH_SHORT
+                    ).show()
+
+                    prescriptionIdInput.text.clear()
+                    fetchPrescriptions()
+                } else {
+                    resultText.text =
+                        "Failed to delete prescription.\nCode: ${response.code()}\nMessage: ${response.message()}"
+                }
+            } catch (e: Exception) {
+                resultText.text = "Error occurred:\n${e.message}"
+            }
+        }
+    }
+}
\ No newline at end of file
diff --git a/app/src/main/res/layout/activity_homepage4doctor.xml b/app/src/main/res/layout/activity_homepage4doctor.xml
index 6e7936f35..98dfa192d 100644
--- a/app/src/main/res/layout/activity_homepage4doctor.xml
+++ b/app/src/main/res/layout/activity_homepage4doctor.xml
@@ -1,29 +1,42 @@
 <?xml version="1.0" encoding="utf-8"?>
-<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
+<androidx.constraintlayout.widget.ConstraintLayout
+    xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:app="http://schemas.android.com/apk/res-auto"
     android:layout_width="match_parent"
-    android:layout_height="match_parent">
+    android:layout_height="match_parent"
+    android:padding="24dp">
 
     <TextView
         android:id="@+id/welcomeDoctorText"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
         android:text="Welcome Doctor"
-        android:textSize="24sp"
+        android:textSize="28sp"
         android:textStyle="bold"
-        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintTop_toTopOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
         app:layout_constraintEnd_toEndOf="parent"
+        android:layout_marginTop="120dp"/>
+
+    <Button
+        android:id="@+id/prescriptionButton"
+        android:layout_width="250dp"
+        android:layout_height="wrap_content"
+        android:text="Open Prescription Screen"
+        android:textSize="16sp"
+        android:layout_marginTop="40dp"
+        app:layout_constraintTop_toBottomOf="@id/welcomeDoctorText"
         app:layout_constraintStart_toStartOf="parent"
-        app:layout_constraintTop_toTopOf="parent" />
+        app:layout_constraintEnd_toEndOf="parent"/>
 
     <Button
         android:id="@+id/signOutButton_doctor"
-        android:layout_width="wrap_content"
+        android:layout_width="250dp"
         android:layout_height="wrap_content"
-        android:layout_marginTop="24dp"
         android:text="Sign Out"
-        app:layout_constraintEnd_toEndOf="parent"
+        android:layout_marginTop="20dp"
+        app:layout_constraintTop_toBottomOf="@id/prescriptionButton"
         app:layout_constraintStart_toStartOf="parent"
-        app:layout_constraintTop_toBottomOf="@id/welcomeDoctorText" />
+        app:layout_constraintEnd_toEndOf="parent"/>
 
-</androidx.constraintlayout.widget.ConstraintLayout>
+</androidx.constraintlayout.widget.ConstraintLayout>
\ No newline at end of file
diff --git a/app/src/main/res/layout/activity_prescription.xml b/app/src/main/res/layout/activity_prescription.xml
new file mode 100644
index 000000000..93be1ee5a
--- /dev/null
+++ b/app/src/main/res/layout/activity_prescription.xml
@@ -0,0 +1,56 @@
+<?xml version="1.0" encoding="utf-8"?>
+<ScrollView xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent">
+
+    <LinearLayout
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:orientation="vertical"
+        android:padding="16dp">
+
+        <TextView
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:text="Prescription Management"
+            android:textSize="22sp"
+            android:textStyle="bold"
+            android:layout_marginBottom="16dp" />
+
+        <Button
+            android:id="@+id/fetchButton"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:text="Fetch Prescriptions" />
+
+        <EditText
+            android:id="@+id/prescriptionIdInput"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:hint="Enter Prescription ID"
+            android:layout_marginTop="16dp" />
+
+        <Button
+            android:id="@+id/discontinueButton"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:text="Discontinue Prescription"
+            android:layout_marginTop="12dp" />
+
+        <Button
+            android:id="@+id/deleteButton"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:text="Delete Prescription"
+            android:layout_marginTop="12dp" />
+
+        <TextView
+            android:id="@+id/resultText"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:text="Prescription results will appear here"
+            android:textSize="15sp"
+            android:layout_marginTop="20dp" />
+
+    </LinearLayout>
+</ScrollView>
\ No newline at end of file