Parse Jira Response

gistfile1.pas

program Project2;

{$APPTYPE CONSOLE}

{$R *.res}

uses
  System.SysUtils,
  DbxJsonUnMarshal,
  RestClient,
  System.Generics.Collections;

const
  {$REGION 'Jira Issue Response'}
  JIRA_ISSUE_RESPONSE =   '{' + 
                          '    "expand": "renderedFields,names,schema,transitions,editmeta,changelog",' + 
                          '    "id": "10000",' + 
                          '    "self": "http://localhost:8090/jira/rest/api/2/issue/10000",' + 
                          '    "key": "MKY-1",' + 
                          '    "fields": {' + 
                          '        "summary": "First Test Issue",' + 
                          '        "issuetype": {' + 
                          '            "self": "http://localhost:8090/jira/rest/api/2/issuetype/1",' + 
                          '            "id": "1",' + 
                          '            "description": "A problem which impairs or prevents the functions of the product.",' + 
                          '            "iconUrl": "http://localhost:8090/jira/images/icons/bug.gif",' + 
                          '            "name": "Bug",' + 
                          '            "subtask": false' + 
                          '        },' + 
                          '        "status": {' + 
                          '            "self": "http://localhost:8090/jira/rest/api/2/status/1",' + 
                          '            "description": "The issue is open and ready for the assignee to start work on it.",' + 
                          '            "iconUrl": "http://localhost:8090/jira/images/icons/status_open.gif",' + 
                          '            "name": "Open",' + 
                          '            "id": "1"' + 
                          '        },' + 
                          '        "labels": ["label1", "label2"],' + 
                          '        "votes": {' + 
                          '            "self": "http://localhost:8090/jira/rest/api/2/issue/MKY-1/votes",' + 
                          '            "votes": 0,' + 
                          '            "hasVoted": false' + 
                          '        },' + 
                          '        "workratio": -1,' + 
                          '        "assignee": {' + 
                          '            "self": "http://localhost:8090/jira/rest/api/2/user?username=admin",' + 
                          '            "name": "admin",' + 
                          '            "emailAddress": "admin@example.com",' + 
                          '            "avatarUrls": {' + 
                          '                "16x16": "http://localhost:8090/jira/secure/useravatar?size=small&avatarId=10062",' + 
                          '                "48x48": "http://localhost:8090/jira/secure/useravatar?avatarId=10062"' + 
                          '            },' + 
                          '            "displayName": "Administrator",' + 
                          '            "active": true' + 
                          '        },' + 
                          '        "fixVersions": [],' + 
                          '        "resolution": null,' + 
                          '        "attachment": [],' + 
                          '        "resolutiondate": null,' + 
                          '        "project": {' + 
                          '            "self": "http://localhost:8090/jira/rest/api/2/project/MKY",' + 
                          '            "id": "10001",' + 
                          '            "key": "MKY",' + 
                          '            "name": "monkey",' + 
                          '            "avatarUrls": {' + 
                          '                "16x16": "http://localhost:8090/jira/secure/projectavatar?size=small&pid=10001&avatarId=10011",' + 
                          '                "48x48": "http://localhost:8090/jira/secure/projectavatar?pid=10001&avatarId=10011"' + 
                          '            }' + 
                          '        },' + 
                          '        "versions": [],' + 
                          '        "environment": null,' + 
                          '        "updated": "2011-11-22T09:23:02.302-0300",' + 
                          '        "created": "2011-11-22T09:22:59.899-0300",' + 
                          '        "priority": {' + 
                          '            "self": "http://localhost:8090/jira/rest/api/2/priority/3",' + 
                          '            "iconUrl": "http://localhost:8090/jira/images/icons/priority_major.gif",' + 
                          '            "name": "Major",' + 
                          '            "id": "3"' + 
                          '        },' + 
                          '        "description": null,' + 
                          '        "duedate": null,' + 
                          '        "components": [],' + 
                          '        "watches": {' + 
                          '            "self": "http://localhost:8090/jira/rest/api/2/issue/MKY-1/watchers",' + 
                          '            "watchCount": 0,' + 
                          '            "isWatching": false' + 
                          '        }' + 
                          '    }' +
                          '}';
  {$ENDREGION}

type
  {$REGION 'Jira DTO Classes'}
  TJiraIssueStatus = class
  public
    name: string;
  end;

  TJiraIssueType = class
  public
    name: string;
  end;

  TJiraIssueFields = class
  public
    summary: string;
    issuetype: TJiraIssueType;
    status: TJiraIssueStatus;
    labels: TList<string>;
    updated: TDateTime;
    created: TDateTime;

    destructor Destroy; override;
  end;

  TJiraIssueResponse = class
  public
    id: Integer;
    key: string;
    fields: TJiraIssueFields;
    destructor Destroy; override;
  end;  
  {$ENDREGION}

{ TJiraIssueFields }

destructor TJiraIssueFields.Destroy;
begin
  issuetype.Free;
  inherited;
end;

{ TJiraIssueResponse }

destructor TJiraIssueResponse.Destroy;
begin
  fields.Free;
  inherited;
end;

const
  JIRA_URL = 'http://localhost:8090/jira/rest/api/2/issue/';
var
  vIssue: TJiraIssueResponse;
begin
  try
    vIssue := TDbxJsonUnMarshal.FromJson<TJiraIssueResponse>(JIRA_ISSUE_RESPONSE);
    //vIssue := vRestClient.Resource(JIRA_URL + '10000').Get<TJiraIssueResponse>;
    try
      Assert(Assigned(vIssue), 'Issue');
      Assert(Assigned(vIssue.Fields), 'Issue.Fields');
      Assert(Assigned(vIssue.Fields.Labels), 'Issue.Fields.Labels');
      Assert(Assigned(vIssue.Fields.IssueType), 'Issue.Fields.IssueType');
      Assert(Assigned(vIssue.Fields.Status), 'Issue.Fields.Status');

      Writeln('Issue.Id: ', vIssue.Id);
      Writeln('Issue.Key: ', vIssue.Key);
      Writeln('Fields.Summary: ', vIssue.Fields.Summary);
      Writeln('Fields.Created: ', DateTimeToStr(vIssue.Fields.Created));

      Writeln('Fields.Labels.Count: ' , vIssue.Fields.Labels.Count);
      Writeln('Fields.Labels.First: ', vIssue.Fields.Labels.First);

      Writeln('Fields.IssueType.Name: ', vIssue.Fields.IssueType.Name);

      Writeln('Fields.Status.Name: ', vIssue.Fields.Status.Name);
    finally
      vIssue.Free;
    end;
  except
    on E: Exception do
      Writeln(E.ClassName, ': ', E.Message);
  end;
  Readln;
end.