Unify sharing codec and wire iOS KMP actuals

composeApp/src/androidMain/kotlin/com/example/casera/sharing/ContractorSharingManager.kt

@@ -5,16 +5,12 @@ import android.content.Intent
 import android.net.Uri
 import androidx.core.content.FileProvider
 import com.example.casera.data.DataManager
+import com.example.casera.models.CaseraShareCodec
 import com.example.casera.models.Contractor
-import com.example.casera.models.SharedContractor
-import com.example.casera.models.resolveSpecialtyIds
-import com.example.casera.models.toCreateRequest
-import com.example.casera.models.toSharedContractor
 import com.example.casera.network.APILayer
 import com.example.casera.network.ApiResult
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.withContext
-import kotlinx.serialization.json.Json
 import java.io.File
 
 /**
@@ -22,12 +18,6 @@ import java.io.File
  */
 object ContractorSharingManager {
 
-    private val json = Json {
-        prettyPrint = true
-        ignoreUnknownKeys = true
-        encodeDefaults = true
-    }
-
     /**
      * Creates a share Intent for a contractor.
      * The contractor data is written to a temporary .casera file and shared via FileProvider.
@@ -39,16 +29,8 @@ object ContractorSharingManager {
     fun createShareIntent(context: Context, contractor: Contractor): Intent? {
         return try {
             val currentUsername = DataManager.currentUser.value?.username ?: "Unknown"
-            val sharedContractor = contractor.toSharedContractor(currentUsername)
-
-            val jsonString = json.encodeToString(SharedContractor.serializer(), sharedContractor)
-
-            // Create safe filename
-            val safeName = contractor.name
-                .replace(" ", "_")
-                .replace("/", "-")
-                .take(50)
-            val fileName = "${safeName}.casera"
+            val jsonString = CaseraShareCodec.encodeContractorPackage(contractor, currentUsername)
+            val fileName = CaseraShareCodec.safeShareFileName(contractor.name)
 
             // Create shared directory
             val shareDir = File(context.cacheDir, "shared")
@@ -97,15 +79,10 @@ object ContractorSharingManager {
                 val jsonString = inputStream.bufferedReader().use { it.readText() }
                 inputStream.close()
 
-                // Parse JSON
-                val sharedContractor = json.decodeFromString(SharedContractor.serializer(), jsonString)
-
-                // Resolve specialty names to IDs
-                val specialties = DataManager.contractorSpecialties.value
-                val specialtyIds = sharedContractor.resolveSpecialtyIds(specialties)
-
-                // Create the request
-                val createRequest = sharedContractor.toCreateRequest(specialtyIds)
+                val createRequest = CaseraShareCodec.createContractorImportRequestOrNull(
+                    jsonContent = jsonString,
+                    availableSpecialties = DataManager.contractorSpecialties.value
+                ) ?: return@withContext ApiResult.Error("Invalid contractor share package")
 
                 // Call API
                 APILayer.createContractor(createRequest)

composeApp/src/androidMain/kotlin/com/example/casera/sharing/ResidenceSharingManager.kt

@@ -5,14 +5,13 @@ import android.content.Intent
 import android.net.Uri
 import androidx.core.content.FileProvider
 import com.example.casera.data.DataManager
+import com.example.casera.models.CaseraShareCodec
 import com.example.casera.models.JoinResidenceResponse
 import com.example.casera.models.Residence
-import com.example.casera.models.SharedResidence
 import com.example.casera.network.APILayer
 import com.example.casera.network.ApiResult
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.withContext
-import kotlinx.serialization.json.Json
 import java.io.File
 
 /**
@@ -22,12 +21,6 @@ import java.io.File
  */
 object ResidenceSharingManager {
 
-    private val json = Json {
-        prettyPrint = true
-        ignoreUnknownKeys = true
-        encodeDefaults = true
-    }
-
     /**
      * Creates a share Intent for a residence.
      * This first calls the backend to generate a share code, then creates the file.
@@ -45,14 +38,8 @@ object ResidenceSharingManager {
                 when (result) {
                     is ApiResult.Success -> {
                         val sharedResidence = result.data
-                        val jsonString = json.encodeToString(SharedResidence.serializer(), sharedResidence)
-
-                        // Create safe filename
-                        val safeName = residence.name
-                            .replace(" ", "_")
-                            .replace("/", "-")
-                            .take(50)
-                        val fileName = "${safeName}.casera"
+                        val jsonString = CaseraShareCodec.encodeSharedResidence(sharedResidence)
+                        val fileName = CaseraShareCodec.safeShareFileName(residence.name)
 
                         // Create shared directory
                         val shareDir = File(context.cacheDir, "shared")
@@ -108,11 +95,11 @@ object ResidenceSharingManager {
                 val jsonString = inputStream.bufferedReader().use { it.readText() }
                 inputStream.close()
 
-                // Parse JSON
-                val sharedResidence = json.decodeFromString(SharedResidence.serializer(), jsonString)
+                val shareCode = CaseraShareCodec.extractResidenceShareCodeOrNull(jsonString)
+                    ?: return@withContext ApiResult.Error("Invalid residence share package")
 
                 // Call API with share code
-                APILayer.joinWithCode(sharedResidence.shareCode)
+                APILayer.joinWithCode(shareCode)
             } catch (e: Exception) {
                 e.printStackTrace()
                 ApiResult.Error("Failed to join residence: ${e.message}")