Getting database from room to Json File

Add date and time automatically

app/src/main/java/fr/sanchezm/attestationsCovid19/data/db/dao/AttestationDao.kt

@@ -1,7 +1,44 @@
 package fr.sanchezm.attestationsCovid19.data.db.dao
 
+import androidx.lifecycle.LiveData
+import androidx.lifecycle.MutableLiveData
+import com.google.gson.Gson
+import com.google.gson.reflect.TypeToken
+import fr.sanchezm.attestationsCovid19.data.db.entity.Attestation
+import java.io.File
+
 class AttestationDao(private val path: String) {
 
+    private var _attestations = MutableLiveData<MutableCollection<Attestation>>()
+    private var fileName = "attestation.db"
+    private val type = object : TypeToken<ArrayList<Attestation>>() {}.type
+
+    fun getAttestations() : LiveData<MutableCollection<Attestation>> =
+        _attestations
+
+    fun getAttestation(id: Int) : Attestation? =
+        _attestations.value?.elementAt(id)
+
+    fun addAttestation(attestation: Attestation) {
+        _attestations.value?.add(attestation)
+    }
+
+    init {
+        load()
+    }
+
+    private fun load() {
+        val file = File("$path/$fileName")
+
+        if (file.exists()) {
+            _attestations.value = Gson().fromJson(file.readText(Charsets.UTF_8), type)
+        }
+    }
+
+    private fun save() {
+        File("$path/$fileName").writeText(Gson().toJson(_attestations.value))
+    }
+
 }
 
 //@Dao

app/src/main/java/fr/sanchezm/attestationsCovid19/data/db/dao/ProfileDao.kt

@@ -28,11 +28,13 @@ class ProfileDao(private val path: String) {
 
         if (file.exists()) {
             _profile.value = Gson().fromJson(file.readText(Charsets.UTF_8), Profile::class.java)
+        } else {
+            _profile.value = Profile("", "", "", "", "", "", "")
         }
     }
 
     private fun save() {
-        File("$path/$fileName").writeText(Gson().toJson(this))
+        File("$path/$fileName").writeText(Gson().toJson(_profile.value))
     }
 }
 

app/src/main/java/fr/sanchezm/attestationsCovid19/data/repository/AttestationRepository.kt

@@ -1,27 +1,16 @@
 package fr.sanchezm.attestationsCovid19.data.repository
 
 import fr.sanchezm.attestationsCovid19.data.db.dao.AttestationDao
-import fr.sanchezm.attestationsCovid19.data.db.dao.ProfileDao
-import fr.sanchezm.attestationsCovid19.data.db.entity.Attestation
-import fr.sanchezm.attestationsCovid19.data.db.entity.Profile
 
-class AttestationRepository private constructor(/*private val attestationDao: AttestationDao*/) {
+class AttestationRepository private constructor(private val attestationDao: AttestationDao) {
-
-//    fun getAttestation() = attestationDao.getAttestation()
-
-    fun createAttestation() {
-
-    }
-//    fun insertAttestation(attestation: Attestation) = attestationDao.insert(attestation)
 
     companion object {
         @Volatile
         private var instance: AttestationRepository? = null
 
-        fun getInstance(/*attestationDao: AttestationDao*/) =
+        fun getInstance(attestationDao: AttestationDao) =
             instance ?: synchronized(this) {
-//                instance ?: AttestationRepository(attestationDao).also { instance = it }
+                instance ?: AttestationRepository(attestationDao).also { instance = it }
-                instance ?: AttestationRepository().also { instance = it }
             }
     }
 }

app/src/main/java/fr/sanchezm/attestationsCovid19/data/repository/ProfileRepository.kt

@@ -1,35 +1,24 @@
 package fr.sanchezm.attestationsCovid19.data.repository
 
 import androidx.lifecycle.LiveData
-import androidx.lifecycle.MutableLiveData
+import fr.sanchezm.attestationsCovid19.data.db.dao.ProfileDao
 import fr.sanchezm.attestationsCovid19.data.db.entity.Profile
 
-class ProfileRepository private constructor(/*private val profileDao: ProfileDao*/) {
+class ProfileRepository private constructor(private val profileDao: ProfileDao) {
 
-    private var _profile = MutableLiveData(Profile(
+    fun getProfile(): LiveData<Profile> =
-        "Mathieu",
+        profileDao.getProfile()
-        "Sanchez",
-        "19/11/1997",
-        "Perpignan",
-        "33 Rue Salvador Dali",
-        "Canohes",
-        "66680"
-    ))
 
-    fun getProfile(): LiveData<Profile> = _profile
+    fun insertProfile(profile: Profile) =
-
+        profileDao.updateProfile(profile)
-    //    fun insertProfile(profile: Profile) = profileDao.insert(profile)
-    fun insertProfile(profile: Profile) {
-        _profile.value = profile
-    }
 
     companion object {
         @Volatile
         private var instance: ProfileRepository? = null
 
-        fun getInstance(/*profileDao: ProfileDao*/) =
+        fun getInstance(profileDao: ProfileDao) =
             instance ?: synchronized(this) {
-                instance ?: ProfileRepository(/*profileDao*/).also { instance = it }
+                instance ?: ProfileRepository(profileDao).also { instance = it }
             }
     }
 }

app/src/main/java/fr/sanchezm/attestationsCovid19/ui/add/AddFragment.kt

@@ -1,7 +1,6 @@
 package fr.sanchezm.attestationsCovid19.ui.add
 
 import android.os.Bundle
-import android.util.Log
 import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
@@ -47,13 +46,10 @@ class AddFragment : Fragment() {
     }
 
     private fun initializeUi() {
-//        val factory = context?.let { InjectorUtils.provideAddViewModelFactory(it) }
+        val factory = context?.let { InjectorUtils.provideAddViewModelFactory(it) }
-//        addViewModel = factory?.let {
+        addViewModel = factory?.let {
-//            ViewModelProvider(this, it)
+            ViewModelProvider(this, it)
-//                .get(AddViewModel::class.java)
+                .get(AddViewModel::class.java)
-//        }!!
+        }!!
-        val factory = InjectorUtils.provideAddViewModelFactory()
-        addViewModel = ViewModelProvider(this, factory)
-            .get(AddViewModel::class.java)
     }
 }

app/src/main/java/fr/sanchezm/attestationsCovid19/ui/add/AddViewModel.kt

@@ -1,6 +1,7 @@
 package fr.sanchezm.attestationsCovid19.ui.add
 
 import android.annotation.SuppressLint
+import android.os.Build
 import android.util.Log
 import androidx.lifecycle.LiveData
 import androidx.lifecycle.MutableLiveData
@@ -10,6 +11,10 @@ import fr.sanchezm.attestationsCovid19.data.db.entity.Profile
 import fr.sanchezm.attestationsCovid19.data.repository.AttestationRepository
 import fr.sanchezm.attestationsCovid19.data.repository.ProfileRepository
 import fr.sanchezm.attestationsCovid19.utilities.Event
+import java.text.SimpleDateFormat
+import java.time.LocalDateTime
+import java.time.format.DateTimeFormatter
+import java.util.*
 
 class AddViewModel(
     private val profileRepository: ProfileRepository,
@@ -39,11 +44,13 @@ class AddViewModel(
     val reason6 = MutableLiveData(false)
     val reason7 = MutableLiveData(false)
 
+    private val datePattern = "dd/MM/yyyy"
+    private val timePattern = "HH:mm"
+
     @SuppressLint("LongLogTag")
     fun onGenerateAttestationClick() {
         if (checkAllValue()) {
             profileRepository.insertProfile(getProfileFromView())
-            attestationRepository.createAttestation()
         } else {
             _errorMessage.value = Event(R.string.error_cannot_create_attestation)
             Log.e("onGenerateAttestationClick", "Cannot generate Attestation")
@@ -52,6 +59,7 @@ class AddViewModel(
 
     init {
         setProfileValue()
+        setDateHourToday()
     }
 
     private fun setProfileValue() {
@@ -66,6 +74,19 @@ class AddViewModel(
         postalCode.value = profile.value?.postalCode
     }
 
+    private fun setDateHourToday() {
+        exitDate.value = getDateOrTimeFromPattern(datePattern)
+        exitHour.value = getDateOrTimeFromPattern(timePattern)
+    }
+
+    private fun getDateOrTimeFromPattern(pattern: String): String {
+        return if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
+            DateTimeFormatter.ofPattern(pattern).format(LocalDateTime.now())
+        } else {
+            SimpleDateFormat(pattern, Locale.FRANCE).format(Date())
+        }
+    }
+
     private fun getProfileFromView(): Profile {
         return Profile(
             firstName.value.toString(),

app/src/main/java/fr/sanchezm/attestationsCovid19/ui/attestations/AttestationsFragment.kt

@@ -35,13 +35,10 @@ class AttestationsFragment : Fragment() {
     }
 
     private fun initializeUi() {
-//        val factory = context?.let { InjectorUtils.provideAttestationViewModel(it) }
+        val factory = context?.let { InjectorUtils.provideAttestationViewModel(it) }
-//        attestationsViewModel = factory?.let {
+        attestationsViewModel = factory?.let {
-//            ViewModelProvider(this, it)
+            ViewModelProvider(this, it)
-//                .get(AttestationsViewModel::class.java)
+                .get(AttestationsViewModel::class.java)
-//        }!!
+        }!!
-        val factory = InjectorUtils.provideAttestationViewModel()
-        attestationsViewModel = ViewModelProvider(this, factory)
-            .get(AttestationsViewModel::class.java)
     }
 }

app/src/main/java/fr/sanchezm/attestationsCovid19/utilities/InjectorUtils.kt

@@ -10,10 +10,6 @@ import fr.sanchezm.attestationsCovid19.ui.attestations.AttestationsViewModelFact
 object InjectorUtils {
 
     fun provideAddViewModelFactory(context: Context): AddViewModelFactory {
-//        val profileRepository =
-//            ProfileRepository.getInstance()
-//        val attestationRepository =
-//            AttestationRepository.getInstance()
         val profileRepository =
             ProfileRepository.getInstance(MyDatabase.invoke(context).profileDao())
         val attestationRepository =
@@ -22,11 +18,9 @@ object InjectorUtils {
         return AddViewModelFactory(profileRepository, attestationRepository)
     }
 
-    fun provideAttestationViewModel(/*context: Context*/): AttestationsViewModelFactory {
+    fun provideAttestationViewModel(context: Context): AttestationsViewModelFactory {
         val attestationRepository =
-            AttestationRepository.getInstance()
+            AttestationRepository.getInstance(MyDatabase.invoke(context).attestationDao())
-//        val attestationRepository =
-//            AttestationRepository.getInstance(MyDatabase.invoke(context).attestationDao())
 
         return AttestationsViewModelFactory(attestationRepository)
     }