feat(core:model): Migrate model module to KMP (#2732)

* feat(core:model): Migrate model module to KMP

* Change properties from var to val and remove unnecessary annotations

* remove inheritance of Account in ShareAccount, SavingAccount and LoanAccount

* replace ArrayList() with emptyList() and improve numeric literal consistency

Author: HekmatullahAmin

core/model/build.gradle.kts

@@ -8,8 +8,7 @@
  * See https://github.com/openMF/mobile-mobile/blob/master/LICENSE.md
  */
 plugins {
-    alias(libs.plugins.mifos.android.library)
-    alias(libs.plugins.kotlin.android)
+    alias(libs.plugins.mifos.kmp.library)
     alias(libs.plugins.kotlin.serialization)
     alias(libs.plugins.kotlin.parcelize)
 }
@@ -21,17 +20,15 @@ android {
     }
 }
 
-dependencies {
-
-    api(projects.core.common)
-
-    implementation(libs.jetbrains.kotlin.jdk7)
-    implementation(libs.kotlinx.serialization.json)
-
-    // For Serialized name
-    implementation(libs.squareup.retrofit.converter.gson)
-
-    testImplementation(libs.junit)
-    androidTestImplementation(libs.androidx.test.ext.junit)
-    androidTestImplementation(libs.androidx.test.espresso.core)
+kotlin {
+    androidTarget {
+        compilerOptions {
+            freeCompilerArgs.addAll("-P", "plugin:org.jetbrains.kotlin.parcelize:additionalAnnotation=org.mifos.mobile.core.model.Parcelize")
+        }
+    }
+    sourceSets {
+        commonMain.dependencies {
+            implementation(libs.kotlinx.serialization.json)
+        }
+    }
 }

core/model/src/androidMain/kotlin/org/mifos/mobile/core/model/Parcelize.android.kt

@@ -0,0 +1,20 @@
+/*
+ * Copyright 2025 Mifos Initiative
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See https://github.com/openMF/mobile-mobile/blob/master/LICENSE.md
+ */
+package org.mifos.mobile.core.model
+
+import android.os.Parcelable
+import kotlinx.parcelize.IgnoredOnParcel
+import kotlinx.parcelize.RawValue
+
+actual typealias Parcelable = Parcelable
+
+actual typealias IgnoredOnParcel = IgnoredOnParcel
+
+actual typealias RawValue = RawValue

core/model/src/commonMain/kotlin/org/mifos/mobile/core/model/Parcelize.kt

@@ -0,0 +1,19 @@
+/*
+ * Copyright 2025 Mifos Initiative
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See https://github.com/openMF/mobile-mobile/blob/master/LICENSE.md
+ */
+package org.mifos.mobile.core.model
+
+annotation class Parcelize()
+
+expect interface Parcelable
+
+expect annotation class IgnoredOnParcel()
+
+@Target(AnnotationTarget.TYPE)
+expect annotation class RawValue()

core/model/src/main/java/org/mifos/mobile/core/model/UserData.kt renamed to core/model/src/commonMain/kotlin/org/mifos/mobile/core/model/UserData.kt

@@ -9,15 +9,15 @@
  */
 package org.mifos.mobile.core.model.entity
 
-import android.os.Parcelable
-import kotlinx.parcelize.Parcelize
+import org.mifos.mobile.core.model.Parcelable
+import org.mifos.mobile.core.model.Parcelize
 
 @Parcelize
 data class Charge(
     val clientId: Int? = null,
     val chargeId: Int? = null,
     val name: String? = null,
-    val dueDate: ArrayList<Int?> = ArrayList(),
+    val dueDate: ArrayList<Int?> = arrayListOf(),
     val chargeTimeType: ChargeTimeType? = null,
     val chargeCalculationType: ChargeCalculationType? = null,
     val currency: Currency? = null,

core/model/src/main/java/org/mifos/mobile/core/model/entity/AboutUsItem.kt renamed to core/model/src/commonMain/kotlin/org/mifos/mobile/core/model/entity/AboutUsItem.kt

@@ -9,14 +9,14 @@
  */
 package org.mifos.mobile.core.model.entity
 
-import android.os.Parcelable
-import kotlinx.parcelize.Parcelize
 import kotlinx.serialization.Serializable
+import org.mifos.mobile.core.model.Parcelable
+import org.mifos.mobile.core.model.Parcelize
 
 @Parcelize
 @Serializable
 data class ChargeCalculationType(
-    var id: Int = 0,
-    var code: String? = null,
-    var value: String? = null,
+    val id: Int = 0,
+    val code: String? = null,
+    val value: String? = null,
 ) : Parcelable

core/model/src/main/java/org/mifos/mobile/core/model/entity/AccountOptionAndBeneficiary.kt renamed to core/model/src/commonMain/kotlin/org/mifos/mobile/core/model/entity/AccountOptionAndBeneficiary.kt

@@ -9,16 +9,16 @@
  */
 package org.mifos.mobile.core.model.entity
 
-import android.os.Parcelable
-import kotlinx.parcelize.Parcelize
+import org.mifos.mobile.core.model.Parcelable
+import org.mifos.mobile.core.model.Parcelize
 
 /**
  * Created by michaelsosnick on 12/11/16.
  */
 
 @Parcelize
 data class ChargeTimeType(
-    var id: Int = 0,
-    var code: String? = null,
-    var value: String? = null,
+    val id: Int = 0,
+    val code: String? = null,
+    val value: String? = null,
 ) : Parcelable

core/model/src/main/java/org/mifos/mobile/core/model/entity/Charge.kt renamed to core/model/src/commonMain/kotlin/org/mifos/mobile/core/model/entity/Charge.kt

@@ -13,8 +13,8 @@ package org.mifos.mobile.core.model.entity
  * Created by dilpreet on 3/7/17.
  */
 
-data class CheckboxStatus @JvmOverloads constructor(
-    var status: String?,
-    var color: Int,
-    var isChecked: Boolean = false,
+data class CheckboxStatus(
+    val status: String?,
+    val color: Int,
+    val isChecked: Boolean = false,
 )