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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
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21 @BodyParser.Of(BodyParser.Json.class)
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22 public static Result crateClaim() {
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23 JsonNode json = request().body().asJson();
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24 String author = json.findPath(NodeModel.L_AUTHOR).getTextValue(); // Author
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25
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26 TPGraph tpGraph = TPGraph.getInstance();
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27 Graph graph = tpGraph.getGraph();
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28 if ( graph.getVertex(author) == null)
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29 return badRequest("Author "+ author + "is not exist.");
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30
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31 JsonNode toulmin = json.findPath(NodeModel.TOULMIN);
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32 if (toulmin.findPath(NodeModel.TITLE) == null)
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33 return badRequest("Please set title");
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34
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35 JsonNode usersJson = json.get(NodeModel.USERS); // Users (class JsonNode)
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36 String type = json.findPath(NodeModel.TYPE).getTextValue(); // Type (majority|unanimously)
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37
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38 ClaimModel newClaim = new ClaimModel(graph.addVertex(null));
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39 tpGraph.setLabelToAuthor(newClaim, author);
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40 newClaim.setClaimProperties(toulmin, type);
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41
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42 String[] users = toStringArray(usersJson);
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43 tpGraph.setLabelStatusToUsers(newClaim, users, NodeModel.L_REQUEST, NodeModel.FAIL);
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44 tpGraph.setLabelToRootClaim(newClaim);
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45
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46 return created();
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47 }
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48
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49 @BodyParser.Of(BodyParser.Json.class)
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50 public static Result createMention(String mentionType, String id) {
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51
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52 if ( !(mentionType.equals(NodeModel.L_QUESTION)
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53 ||mentionType.equals(NodeModel.L_REFUTATION)
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54 ||mentionType.equals(NodeModel.L_QUESTION))) {
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55 return badRequest("Wrong mention type.");
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56 }
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57
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58 JsonNode json = request().body().asJson();
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59 String author = json.findPath(NodeModel.L_AUTHOR).getTextValue(); // Author
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60
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61 TPGraph tpGraph = TPGraph.getInstance();
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62 Graph graph = tpGraph.getGraph();
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63 if ( graph.getVertex(author) == null)
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64 return badRequest("Author "+ author + "is not exist.");
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65
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66 JsonNode toulmin = json.findPath(NodeModel.TOULMIN);
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67 if (toulmin.findPath(NodeModel.TITLE) == null)
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68 return badRequest("Please set title");
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69
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70 JsonNode usersJson = json.get(NodeModel.USERS); // Users (class JsonNode)
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71 String type = json.findPath(NodeModel.TYPE).getTextValue(); // Type (majority|unanimously)
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72
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73 ClaimModel newClaim = new ClaimModel(graph.addVertex(null));
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74 tpGraph.setLabelToAuthor(newClaim, author);
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75 newClaim.setClaimProperties(toulmin, type);
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76
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77 String[] users = toStringArray(usersJson);
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78 tpGraph.setLabelStatusToUsers(newClaim, users, NodeModel.L_REQUEST, NodeModel.FAIL);
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79 tpGraph.setLabelToRootClaim(newClaim);
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80
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81 ClaimModel mentionV = new ClaimModel(graph.getVertex(id));
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82 tpGraph.setLabelMention(mentionV, newClaim, mentionType);
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83
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84 return created();
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85 }
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86
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87 public static Result getClaimInfo(String id) {
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88 TPGraph tpGraph = TPGraph.getInstance();
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89 Graph graph = tpGraph.getGraph();
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90 Vertex claimV = graph.getVertex(id);
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91 if (claimV == null) badRequest("Claim id "+id+" is not found.");
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92 ClaimModel claim = new ClaimModel(claimV);
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93 ObjectNode claimInfo = claim.getSimpleClaimInfo();
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94 ObjectNode result = Json.newObject();
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95 result.put("status", "OK");
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96 result.put("message", claimInfo.toString());
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97 return ok(result);
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98 }
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99
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100 public static Result getClaimTree(String id) {
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101 TPGraph tpGraph = TPGraph.getInstance();
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102 Graph graph = tpGraph.getGraph();
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103 Vertex v = graph.getVertex(id);
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104 if (v == null) {
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105 return badRequest("Consensus id "+ id +" is not found.");
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106 }
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107 ClaimModel consensusRoot = new ClaimModel(v);
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108 ObjectNode resultEntity = consensusRoot.getClaimInfoTraverse();
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109 return ok(resultEntity);
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110 }
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111
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112
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113
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114 private static String[] toStringArray(JsonNode jsonNode) {
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115 int length = jsonNode.size();
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116 if (length == 0) return null;
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117 String[] userArray = new String[length];
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118 for (int i=0; i<length; i++ ) {
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119 userArray[i] = jsonNode.get(i).getTextValue();
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120 }
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121 return userArray;
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122 }
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123
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124
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125
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126
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127 }
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