build.gradle.kts

@@ -14,4 +14,7 @@ plugins {
 
     // Agp
     alias(libs.plugins.android.library) apply false
+
+    // Hilt
+    alias(libs.plugins.hilt) apply false
 }

consentium/build.gradle.kts

@@ -1,6 +1,8 @@
 plugins {
     alias(libs.plugins.android.library)
     alias(libs.plugins.kotlin.android)
+    alias(libs.plugins.hilt)
+    alias(libs.plugins.ksp)
 }
 
 android {
@@ -30,11 +32,17 @@ android {
 }
 
 dependencies {
-
     // AndroidX
     implementation(libs.androidx.core.ktx)
     implementation(libs.androidx.appcompat)
 
+    // Preferences data store
+    implementation(libs.preferencesDataStore)
+
+    // Hilt
+    implementation(libs.hilt.android)
+    ksp(libs.hilt.compiler)
+
     // Test
     testImplementation(libs.test.junit)
     androidTestImplementation(libs.androidx.junit)

consentium/src/main/java/fr/openium/consentium/data/local/PreferenceDataStore.kt

@@ -0,0 +1,48 @@
+package fr.openium.consentium.data.local
+
+import android.content.Context
+import androidx.datastore.core.DataStore
+import androidx.datastore.preferences.core.Preferences
+import androidx.datastore.preferences.core.edit
+import androidx.datastore.preferences.core.stringPreferencesKey
+import androidx.datastore.preferences.preferencesDataStore
+import dagger.hilt.android.qualifiers.ApplicationContext
+import kotlinx.coroutines.flow.firstOrNull
+import kotlinx.coroutines.flow.map
+import kotlinx.coroutines.runBlocking
+import java.util.UUID
+import javax.inject.Inject
+
+private val DATASTORE_NAME = "consentium_datastore"
+
+val Context.dataStore: DataStore<Preferences> by preferencesDataStore(name = DATASTORE_NAME)
+
+internal class ConsentiumDataStore @Inject constructor(@ApplicationContext context: Context) {
+
+    companion object {
+        // Installation unique id
+        private val INSTALLATION_UNIQUE_ID = stringPreferencesKey("INSTALLATION_UNIQUE_ID")
+    }
+
+    private val _dataStore = context.dataStore
+
+    fun getInstallationUniqueId(): String =
+        runBlocking {
+            val uuid : String ? = _dataStore.data.map { prefs ->
+                prefs[INSTALLATION_UNIQUE_ID]
+            }.firstOrNull()
+            if (uuid == null) {
+                val newUuid = UUID.randomUUID().toString()
+                setInstallationUniqueId(newUuid)
+                newUuid
+            } else {
+                uuid
+            }
+        }
+
+    private suspend fun setInstallationUniqueId(installationUniqueId: String) {
+        _dataStore.edit { prefs ->
+            prefs[INSTALLATION_UNIQUE_ID] = installationUniqueId
+        }
+    }
+}

gradle/libs.versions.toml

@@ -14,7 +14,7 @@ appcompat = "1.7.0"
 lifecycle = "2.8.7"
 
 # Hilt
-hilt = "2.50"
+hilt = "2.51.1"
 hiltNavigation = "1.2.0"
 
 # Compose
@@ -31,6 +31,9 @@ junit = "4.13.2"
 espressoCore = "3.6.1"
 junitExtVersion = "1.2.1"
 
+# Preferences DataStore
+preferencesDataStore = "1.1.1"
+
 # Plugins
 agp = "8.7.3"
 kotlin = "2.0.0"
@@ -51,7 +54,7 @@ androidx-lifecycle-compose = { group = "androidx.lifecycle", name = "lifecycle-r
 
 # Hilt
 hilt-android = { module = "com.google.dagger:hilt-android", version.ref = "hilt" }
-hilt-compiler = { module = "com.google.dagger:hilt-compiler", version.ref = "hilt" }
+hilt-compiler = { module = "com.google.dagger:hilt-android-compiler", version.ref = "hilt" }
 hilt-navigation-compose = { module = "androidx.hilt:hilt-navigation-compose", version.ref = "hiltNavigation" }
 
 # Timber
@@ -67,6 +70,9 @@ compose-material3 = { group = "androidx.compose.material3", name = "material3" }
 # Material
 material = { group = "com.google.android.material", name = "material", version.ref = "material" }
 
+# Preferences DataStore
+preferencesDataStore = { group = "androidx.datastore", name = "datastore-preferences", version.ref = "preferencesDataStore" }
+
 # Test
 test-junit = { group = "junit", name = "junit", version.ref = "junit" }
 test-androidx-junit = { group = "androidx.test.ext", name = "junit-ktx", version.ref = "junitExtVersion" }
@@ -79,6 +85,7 @@ kotlin-android = { id = "org.jetbrains.kotlin.android", version.ref = "kotlin" }
 kotlin-compose = { id = "org.jetbrains.kotlin.plugin.compose", version.ref = "kotlin" }
 ksp = { id = "com.google.devtools.ksp", version.ref = "ksp" }
 android-library = { id = "com.android.library", version.ref = "agp" }
+hilt = { id = "com.google.dagger.hilt.android", version.ref = "hilt" }
 
 [bundles]
 androidx = ["androidx-core-ktx", "androidx-activity-compose"]