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1 package controllers;
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2
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3 import org.codehaus.jackson.JsonNode;
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4 import org.codehaus.jackson.node.ObjectNode;
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5
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6 import models.ClaimModel;
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7 import models.NodeModel;
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8 import models.TPGraph;
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9
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10 import com.tinkerpop.blueprints.Graph;
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11 import com.tinkerpop.blueprints.Vertex;
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12
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13 import play.libs.Json;
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14 import play.mvc.BodyParser;
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15 import play.mvc.Controller;
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16 import play.mvc.Result;
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17
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18 public class Claim extends Controller {
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19
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20 @BodyParser.Of(BodyParser.Json.class)
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21 public static Result crateClaim() {
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22 JsonNode json = request().body().asJson();
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23 String author = json.findPath(NodeModel.L_AUTHOR).getTextValue(); // Author
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24 TPGraph tpGraph = TPGraph.getInstance();
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25 Graph graph = tpGraph.getGraph();
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26 if ( graph.getVertex(author) == null) {
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27 return badRequest("Author "+ author + "is not exist.");
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28 }
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29 JsonNode toulmin = json.findPath(NodeModel.TOULMIN);
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30 if (toulmin.findPath(NodeModel.TITLE) == null) {
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31 return badRequest("Please set title");
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32 }
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33 JsonNode usersJson = json.get(NodeModel.USERS); // Users (class JsonNode)
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34 String type = json.findPath(NodeModel.TYPE).getTextValue(); // Type (majority|unanimously)
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35 ClaimModel newClaim = new ClaimModel(graph.addVertex(null));
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36 tpGraph.setLabelToAuthor(newClaim, author);
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37 newClaim.setClaimProperties(toulmin, type);
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38 String[] users = toStringArray(usersJson);
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39 tpGraph.setLabelStatusToUsers(newClaim, users, NodeModel.L_REQUEST, NodeModel.FAIL);
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40 tpGraph.setLabelToRootClaim(newClaim);
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41 return created();
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42 }
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43
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44 @BodyParser.Of(BodyParser.Json.class)
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45 public static Result createMention(String mentionType, String id) {
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46 if ( !(mentionType.equals(NodeModel.L_QUESTION)
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47 ||mentionType.equals(NodeModel.L_REFUTATION)
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48 ||mentionType.equals(NodeModel.L_QUESTION))) {
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49 return badRequest("Wrong mention type.");
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50 }
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51 JsonNode json = request().body().asJson();
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52 String author = json.findPath(NodeModel.L_AUTHOR).getTextValue(); // Author
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53 TPGraph tpGraph = TPGraph.getInstance();
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54 Graph graph = tpGraph.getGraph();
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55 if ( graph.getVertex(author) == null) {
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56 return badRequest("Author "+ author + "is not exist.");
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57 }
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58 JsonNode toulmin = json.findPath(NodeModel.TOULMIN);
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59 if (toulmin.findPath(NodeModel.TITLE) == null) {
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60 return badRequest("Please set title");
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61 }
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62 JsonNode usersJson = json.get(NodeModel.USERS); // Users (class JsonNode)
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63 String type = json.findPath(NodeModel.TYPE).getTextValue(); // Type (majority|unanimously)
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64 ClaimModel newClaim = new ClaimModel(graph.addVertex(null));
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65 tpGraph.setLabelToAuthor(newClaim, author);
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66 newClaim.setClaimProperties(toulmin, type);
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67 String[] users = toStringArray(usersJson);
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68 tpGraph.setLabelStatusToUsers(newClaim, users, NodeModel.L_REQUEST, NodeModel.FAIL);
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69 tpGraph.setLabelToRootClaim(newClaim);
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70 ClaimModel mentionV = new ClaimModel(graph.getVertex(id));
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71 tpGraph.setLabelMention(mentionV, newClaim, mentionType);
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72 return created();
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73 }
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75 public static Result getClaimInfo(String id) {
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76 TPGraph tpGraph = TPGraph.getInstance();
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77 Graph graph = tpGraph.getGraph();
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78 Vertex claimV = graph.getVertex(id);
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79 if (claimV == null) {
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80 badRequest("Claim id "+id+" is not found.");
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81 }
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82 ClaimModel claim = new ClaimModel(claimV);
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83 ObjectNode claimInfo = claim.getSimpleClaimInfo();
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84 ObjectNode result = Json.newObject();
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85 result.put("status", "OK");
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86 result.put("message", claimInfo.toString());
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87 return ok(result);
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88 }
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89
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90 public static Result getClaimTree(String id) {
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91 TPGraph tpGraph = TPGraph.getInstance();
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92 Graph graph = tpGraph.getGraph();
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93 Vertex v = graph.getVertex(id);
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94 if (v == null) {
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95 return badRequest("Consensus id "+ id +" is not found.");
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96 }
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97 ClaimModel consensusRoot = new ClaimModel(v);
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98 ObjectNode resultEntity = consensusRoot.getClaimInfoTraverse();
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99 return ok(resultEntity);
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100 }
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101
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102
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103
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104 private static String[] toStringArray(JsonNode jsonNode) {
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105 int length = jsonNode.size();
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106 if (length == 0) {
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107 return null;
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108 }
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109 String[] userArray = new String[length];
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110 for (int i=0; i<length; i++ ) {
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111 userArray[i] = jsonNode.get(i).getTextValue();
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112 }
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113 return userArray;
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114 }
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118
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119 }
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