WIP

src/main/java/com/wse/qanaryexplanationservice/controller/ExplanationController.java

@@ -1,8 +1,12 @@
 package com.wse.qanaryexplanationservice.controller;
 
+import com.wse.qanaryexplanationservice.exceptions.ExplanationException;
 import com.wse.qanaryexplanationservice.helper.dtos.ComposedExplanationDTO;
+import com.wse.qanaryexplanationservice.helper.dtos.QanaryExplanationData;
 import com.wse.qanaryexplanationservice.helper.pojos.ComposedExplanation;
 import com.wse.qanaryexplanationservice.helper.pojos.QanaryComponent;
+import com.wse.qanaryexplanationservice.exceptions.ExplanationExceptionComponent;
+import com.wse.qanaryexplanationservice.exceptions.ExplanationExceptionPipeline;
 import com.wse.qanaryexplanationservice.services.ExplanationService;
 import io.swagger.v3.oas.annotations.Operation;
 import org.slf4j.Logger;
@@ -199,21 +203,18 @@ public ResponseEntity<?> getComposedExplanationOutputData(@RequestBody ComposedE
 
     /**
      * Endpoint explaining a component / pipeline input and output data
-     * @param graph
-     * @param component
+     * @param body TODO
      * @return
      * @throws IOException
      */
-    @GetMapping(value = {"/explain/{graph}", "/explain/{graph}/{component}"})
+    @PostMapping(value = {"/explain"})
     @Operation()
-    public ResponseEntity<?> getComposedExplanation(
-            @PathVariable(required = true) String graph,
-            @PathVariable(required = false) String component) throws IOException {
+    public ResponseEntity<?> getComposedExplanation(@RequestBody QanaryExplanationData body) throws ExplanationException { // TODO: Extend methods
         try {
-            String explanation = explanationService.getComposedExplanation(graph, component);
+            String explanation = explanationService.explain(body);
             return new ResponseEntity<>(explanation, HttpStatus.OK);
-        } catch (IOException e) {
-            return new ResponseEntity<>(null, HttpStatus.BAD_REQUEST);
+        } catch (ExplanationException e) {
+            return new ResponseEntity<>(e.getMessage(), HttpStatus.INTERNAL_SERVER_ERROR);
         }
     }
 

src/main/java/com/wse/qanaryexplanationservice/exceptions/ExplanationException.java

@@ -0,0 +1,9 @@
+package com.wse.qanaryexplanationservice.exceptions;
+
+public class ExplanationException extends Exception {
+
+
+    public ExplanationException(String message) {
+        super(message);
+    }
+}

src/main/java/com/wse/qanaryexplanationservice/exceptions/ExplanationExceptionComponent.java

@@ -0,0 +1,7 @@
+package com.wse.qanaryexplanationservice.exceptions;
+
+public class ExplanationExceptionComponent extends ExplanationException {
+    public ExplanationExceptionComponent() {
+        super("Error code 1"); //
+    }
+}

src/main/java/com/wse/qanaryexplanationservice/exceptions/ExplanationExceptionPipeline.java

@@ -0,0 +1,7 @@
+package com.wse.qanaryexplanationservice.exceptions;
+
+public class ExplanationExceptionPipeline extends ExplanationException {
+    public ExplanationExceptionPipeline() {
+        super("Error code 2"); // Pipeline explanation creation error
+    }
+}

src/main/java/com/wse/qanaryexplanationservice/helper/dtos/QanaryExplanationData.java

@@ -0,0 +1,57 @@
+package com.wse.qanaryexplanationservice.helper.dtos;
+
+import java.util.List;
+
+public class QanaryExplanationData {
+
+    private String graph;
+    private String questionId;
+    private String component;
+    private String serverHost;
+    private List<String> explanations;
+
+    public QanaryExplanationData() {
+
+    }
+
+    public List<String> getExplanations() {
+        return explanations;
+    }
+
+    public void setExplanations(List<String> explanations) {
+        this.explanations = explanations;
+    }
+
+    public String getComponent() {
+        return component;
+    }
+
+    public String getGraph() {
+        return graph;
+    }
+
+    public String getQuestionId() {
+        return questionId;
+    }
+
+    public void setQuestionId(String questionId) {
+        this.questionId = questionId;
+    }
+
+    public void setComponent(String component) {
+        this.component = component;
+    }
+
+    public void setGraph(String graph) {
+        this.graph = graph;
+    }
+
+    public String getServerHost() {
+        return serverHost;
+    }
+
+    public void setServerHost(String serverHost) {
+        this.serverHost = serverHost;
+    }
+
+}

src/main/java/com/wse/qanaryexplanationservice/services/ExplanationService.java

@@ -1,6 +1,9 @@
 package com.wse.qanaryexplanationservice.services;
 
+import com.wse.qanaryexplanationservice.exceptions.ExplanationExceptionComponent;
+import com.wse.qanaryexplanationservice.exceptions.ExplanationExceptionPipeline;
 import com.wse.qanaryexplanationservice.helper.dtos.ComposedExplanationDTO;
+import com.wse.qanaryexplanationservice.helper.dtos.QanaryExplanationData;
 import com.wse.qanaryexplanationservice.helper.pojos.ComposedExplanation;
 import com.wse.qanaryexplanationservice.helper.pojos.GenerativeExplanationObject;
 import com.wse.qanaryexplanationservice.helper.pojos.GenerativeExplanationRequest;
@@ -15,7 +18,6 @@
 import org.slf4j.LoggerFactory;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Service;
-import org.springframework.web.reactive.function.client.WebClient;
 
 import java.io.IOException;
 import java.util.List;
@@ -146,7 +148,9 @@ public ResultSet getPipelineInformation(String graphUri) throws IOException {
         return qanaryRepository.selectWithResultSet(sparql);
     }
 
-    public String getComposedExplanation(String graph, String component) throws IOException {
+    public String getComposedExplanation(QanaryExplanationData body) throws IOException {
+        String graph = body.getGraph();
+        String component = body.getComponent();
         String explanation = null;
         String inputExplanation = null;
         String outputExplanation = null;
@@ -165,4 +169,32 @@ public String getTemplateComponentOutputExplanation(String graph, QanaryComponen
         return tmplExpService.createOutputExplanation(graph, component, lang);
     }
 
+    protected String getComponentExplanation(String graph, QanaryComponent qanaryComponent) throws IOException {
+        return tmplExpService.composeInputAndOutputExplanations(
+                getTemplateComponentInputExplanation(graph, qanaryComponent),
+                getTemplateComponentOutputExplanation(graph, qanaryComponent, "en"),
+                qanaryComponent.getComponentName()
+        );
+    }
+
+    public String explain(QanaryExplanationData explanationData) throws ExplanationExceptionComponent, ExplanationExceptionPipeline {
+        if(explanationData.getExplanations() != null) { // It's a pipeline (as component) -> Composes explanations
+            try {
+                return null;
+            } catch(Exception e) {
+                throw new ExplanationExceptionPipeline();
+            }
+        }
+        else { // It's a component
+            QanaryComponent qanaryComponent = new QanaryComponent(explanationData.getComponent());
+            try {
+                return getComponentExplanation(explanationData.getGraph(), qanaryComponent);
+            } catch (IOException e) {
+                e.printStackTrace();
+                throw new ExplanationExceptionComponent();
+            }
+        }
+    }
+
 }
+