starting with document

libraries/core-api/build.gradle.kts

@@ -1,3 +1,7 @@
+plugins {
+    kotlin("plugin.serialization") version embeddedKotlinVersion
+}
+
 dependencies {
     // used for contentType
     api("io.ktor:ktor-http-jvm:2.3.7")

libraries/core-api/src/main/kotlin/de/itkl/core_api/dtos/MsOcrResponse.kt

@@ -1,8 +1,7 @@
-package de.itkl.httpClient.clients
+package de.itkl.core_api.dtos
 
 
 import kotlinx.datetime.Instant
-import kotlinx.datetime.LocalDateTime
 import kotlinx.serialization.SerialName
 import kotlinx.serialization.Serializable
 

libraries/core-api/src/main/kotlin/de/itkl/core_api/interfaces/Resource.kt

@@ -1,11 +1,15 @@
 package de.itkl.core_api.interfaces
 
 import io.ktor.http.*
+import kotlinx.serialization.DeserializationStrategy
+import kotlinx.serialization.KSerializer
+import kotlinx.serialization.json.Json
 import org.koin.core.component.KoinComponent
 import org.koin.core.component.get
 import java.io.File
 import java.io.InputStream
 import java.nio.file.Path
+import kotlin.reflect.KClass
 
 interface Resource {
     val filename: String
@@ -16,7 +20,12 @@ interface Resource {
     val path: Path?
     fun read(): InputStream
 
+    fun <T: Any> json(deserializer: DeserializationStrategy<T>): T {
+        return Json.decodeFromString(deserializer, read().readAllBytes().contentToString())
     }
+}
+
+
 
 /**
  * Automatically adds koin injectable decorators to reading/writing

libraries/core-api/src/main/kotlin/de/itkl/core_api/interfaces/data/Processable.kt

@@ -0,0 +1,7 @@
+package de.itkl.core_api.interfaces.data
+
+import de.itkl.core_api.interfaces.FileProcessor
+
+interface Processable {
+    suspend fun process(fileProcessor: FileProcessor)
+}

libraries/httpClient/src/main/kotlin/de/itkl/httpClient/clients/MsOcr.kt

@@ -1,5 +1,6 @@
 package de.itkl.httpClient.clients
 
+import de.itkl.core_api.dtos.MsOcrResponse
 import de.itkl.core_api.interfaces.Resource
 import io.github.oshai.kotlinlogging.KotlinLogging
 import io.ktor.client.*

libraries/textprocessing/src/main/kotlin/de/itkl/textprocessing/Corpus.kt

@@ -3,6 +3,7 @@ package de.itkl.textprocessing
 import de.itkl.assetmanager.interfaces.Project
 import de.itkl.assetmanager.interfaces.ProjectManager
 import de.itkl.core_api.interfaces.FileProcessor
+import de.itkl.core_api.interfaces.data.Processable
 import org.koin.core.component.KoinComponent
 import org.koin.core.component.inject
 import org.koin.java.KoinJavaComponent.inject
@@ -14,11 +15,11 @@ class CorpusFactory : KoinComponent {
         return Corpus(projectManager.load(name))
     }
 }
-class Corpus(private val project: Project) : KoinComponent {
+class Corpus(private val project: Project): Processable {
     val displayName get() = project.displayName
     val documentNames get() = project.documentNames
 
-    suspend fun process(fileProcessor: FileProcessor) {
+    override suspend fun process(fileProcessor: FileProcessor) {
         TODO("NEXT")
     }
     suspend fun document(name: String): Document {

libraries/textprocessing/src/main/kotlin/de/itkl/textprocessing/DocumentContainer.kt

@@ -1,33 +1,87 @@
 package de.itkl.textprocessing
 
+import de.itkl.assetmanager.interfaces.AssetManager
+import de.itkl.core_api.dtos.MsOcrResponse
+import de.itkl.core_api.interfaces.FileProcessor
 import de.itkl.core_api.interfaces.Resource
+import de.itkl.core_api.interfaces.data.Processable
 import kotlinx.coroutines.flow.Flow
 import kotlinx.coroutines.flow.asFlow
 import kotlinx.coroutines.flow.filter
-import me.piruin.geok.BBox
+import me.piruin.geok.LatLng
 import me.piruin.geok.geometry.Polygon
+import org.koin.core.component.KoinComponent
+import org.koin.core.component.inject
 
 class Document(
     val name: String,
     val resources: List<Resource>
-) {
+) : Processable, KoinComponent {
+    private val assetManager: AssetManager by inject()
+
+    /**
+     * Loads the extracted ocr pages. Note that not every pages
+     * needs to have ocr
+     */
+    suspend fun retrieveOcrPages(): List<OcrPage> {
+        // TODO: How to identify the assets independently from their name?
+        val resource = checkNotNull(assetManager.assets(name)
+            .retrieve("ms-ocr")) {
+            "Ocr for $name is not yet created"
+        }
+        val msOcrResponse = resource.json(MsOcrResponse.serializer())
+
+        return msOcrResponse.analyzeResult.readResults.map { toOcrPage(it) }
+    }
+    override suspend fun process(fileProcessor: FileProcessor) {
+        // TODO: Rework the whole fileprocessor. Should work indepently from a pipeline
+        fileProcessor.process(resources.first())
+    }
+
+    private fun toOcrPage(readResult: MsOcrResponse.AnalyzeResult.ReadResult): OcrPage {
+        return OcrPage(
+            pageNumber = readResult.page,
+            width = readResult.width,
+            height = readResult.height,
+            words = readResult.lines.flatMap { line -> line.words.map { toOcrWord(it) } }
+        )
+    }
+    private fun toOcrWord(word: MsOcrResponse.AnalyzeResult.ReadResult.Line.Word): OcrPage.OcrWord {
+        val box = word.boundingBox
+        return OcrPage.OcrWord(
+            polygon = Polygon(listOf(
+                LatLng(box[0].toDouble(), box[1].toDouble()),
+                LatLng(box[2].toDouble(), box[3].toDouble()),
+                LatLng(box[4].toDouble(), box[5].toDouble()),
+                LatLng(box[6].toDouble(), box[7].toDouble()),
+            )),
+            text = word.text
+        )
+    }
 }
 
 class OcrPage(
-    val words: List<Word>,
+    val width: Int,
-    val regions: List<DocumentRegion>
+    val height: Int,
+    val pageNumber: Int,
+    val words: List<OcrWord>,
+    val regions: List<DocumentRegion> = emptyList()
 ) {
     inner class DocumentRegion(
         private val polygon: Polygon,
         private val type: String,
     ) {
-        fun words(): Flow<Word> {
+        fun words(): Flow<OcrWord> {
             return words
                 .asFlow()
                 .filter { word -> word.polygon.intersectionWith(polygon) != null }
         }
     }
-    inner class Word(
+
+    fun addOcrWord(polygon: Polygon, text: String): OcrWord {
+        return OcrWord(polygon, text)
+    }
+    class OcrWord(
         val polygon: Polygon,
         val text: String
     )