Feature/mig 450 support creation of repeatable content

CHANGELOG.md

@@ -12,6 +12,10 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.1.0/)
 - External display rule support along with metadata, subject, target aliasing,
   base template override, variable structure override and target folder
   override support
+- Array and subtree types for variables
+- Support for content (and table rows) repeated by referred array variables
+- In both repeated content and variable structure paths it is possible to use literal path (e.g. Data.Clients.Value)
+  or reference to a variable
 
 ### Changed
 

migration-examples/src/main/groovy/com/quadient/migration/example/common/mapping/VariablesExport.groovy

@@ -11,6 +11,8 @@ import com.quadient.migration.api.Migration
 import com.quadient.migration.api.dto.migrationmodel.VariableStructure
 import com.quadient.migration.example.common.util.Csv
 import com.quadient.migration.example.common.util.Mapping
+import com.quadient.migration.shared.LiteralPath
+import com.quadient.migration.shared.VariableRefPath
 
 import java.nio.file.Path
 import java.nio.file.Paths
@@ -90,7 +92,7 @@ static void run(Migration migration, Path filePath) {
         for (variable in variables) {
             def variablePathData = existingStructure?.structure?.get(variable.id)
             def variableName = variablePathData?.name
-            def inspirePath = variablePathData?.path
+            def inspirePath = serializeVariablePath(variablePathData?.path)
 
             writer.write("${Csv.serialize(variable.id)},")
             writer.write("${Csv.serialize(variable.name)},")
@@ -108,6 +110,13 @@ static void run(Migration migration, Path filePath) {
     }
 }
 
+static String serializeVariablePath(path) {
+    if (path == null) return null
+    if (path instanceof VariableRefPath) return "@${path.variableId}"
+    if (path instanceof LiteralPath) return path.path
+    return path.toString()
+}
+
 static String constructDefaultId(List<VariableStructure> variableStructures) {
     def baseName = "default-"
     def number = 1

migration-examples/src/main/groovy/com/quadient/migration/example/common/mapping/VariablesImport.groovy

@@ -12,7 +12,9 @@ import com.quadient.migration.api.dto.migrationmodel.VariableRef
 import com.quadient.migration.example.common.util.Csv
 import com.quadient.migration.example.common.util.Mapping
 import com.quadient.migration.shared.DataType
+import com.quadient.migration.shared.LiteralPath
 import com.quadient.migration.shared.VariablePathData
+import com.quadient.migration.shared.VariableRefPath
 
 import java.nio.file.Path
 
@@ -39,8 +41,8 @@ static void run(Migration migration, Path path) {
         def newName = Csv.deserialize(values.get("inspire_name"), String.class)
         variablePathData.name = newName
 
-        def inspirePath = Csv.deserialize(values.get("inspire_path"), String.class)
-        variablePathData.path = inspirePath ?: ""
+        def inspirePathRaw = Csv.deserialize(values.get("inspire_path"), String.class)
+        variablePathData.path = parseVariablePath(inspirePathRaw)
 
         structureMapping.mappings[id] = variablePathData
 
@@ -67,4 +69,10 @@ static void run(Migration migration, Path path) {
 
     migration.mappingRepository.upsert(structureId, structureMapping)
     migration.mappingRepository.applyVariableStructureMapping(structureId)
+}
+
+static parseVariablePath(String raw) {
+    if (!raw) return new LiteralPath("")
+    if (raw.startsWith("@")) return new VariableRefPath(raw.substring(1))
+    return new LiteralPath(raw)
 }