D-Net

package eu.dnetlib.uoamonitorservice.controllers;

import eu.dnetlib.uoamonitorservice.dao.*;

import eu.dnetlib.uoamonitorservice.entities.*;

import eu.dnetlib.uoamonitorservice.handlers.EntityNotFoundException;

import eu.dnetlib.uoamonitorservice.handlers.PathNotValidException;

import org.apache.log4j.Logger;

import org.springframework.beans.factory.annotation.Autowired;

import org.springframework.web.bind.annotation.*;

import java.util.ArrayList;

import java.util.List;

@RestController

@CrossOrigin(origins = "*")

public class TopicController {

    private final Logger log = Logger.getLogger(this.getClass());

    @Autowired

    private StakeholderDAO stakeholderDAO;

    @Autowired

    private TopicDAO topicDAO;

    @Autowired

    private CategoryDAO categoryDAO;

    @Autowired

    private SubCategoryDAO subCategoryDAO;

    @Autowired

    private SectionDAO sectionDAO;

    @Autowired

    private IndicatorDAO indicatorDAO;

    @Autowired

    private CategoryController categoryController;

    public Topic<Category> buildTopic(Topic<Category> topicFull) {

        Topic<String> topic = new Topic<>(topicFull);

        List<String> categories = new ArrayList<>();

        List<Category> categoriesFull = new ArrayList<>();

        for(Category<SubCategory> category : topicFull.getCategories()) {

            Category<SubCategory> categoryFull = categoryController.buildCategory(category);

            categoriesFull.add(categoryFull);

            categories.add(categoryFull.getId());

        }

        topicFull.setCategories(categoriesFull);

        topic.setCategories(categories);

        topicDAO.save(topic);

        topicFull.setId(topic.getId());

        return topicFull;

    }

    @RequestMapping(value = "/{stakeholderId}/save", method = RequestMethod.POST)

    public Topic<Category> saveTopic(@PathVariable("stakeholderId") String stakeholderId,

                                     @RequestBody Topic<Category> topicFull) {

        log.debug("save topic");

        log.debug("Alias: "+topicFull.getAlias() + " - Id: "+topicFull.getId()+ " - Stakeholder: "+stakeholderId);

        Stakeholder<String> stakeholder = stakeholderDAO.findById(stakeholderId);

        if(stakeholder != null) {

            Topic<String> topic = new Topic<>(topicFull);

            List<String> categories = new ArrayList<>();

            for(Category category : topicFull.getCategories()) {

                categories.add(category.getId());

            }

            topic.setCategories(categories);

            topicDAO.save(topic);

            if(stakeholder.getDefaultId() == null) {

                if(topicFull.getId() == null) {

                    onSaveDefaultTopic(topic, stakeholderId);

                } else {

                    onUpdateDefaultTopic(topic);

                }

            }

            List<String> topics = stakeholder.getTopics();

            int index = topics.indexOf(topic.getId());

            if(index == -1) {

                topics.add(topic.getId());

                stakeholderDAO.save(stakeholder);

                log.debug("Topic saved!");

                topicFull.setId(topic.getId());

            }

            categories = null;

            topic = null;

        } else {

            // EXCEPTION - Stakeholder not found

            throw new EntityNotFoundException("Save topic: Stakeholder with id: "+stakeholderId+" not found");

        }

        return topicFull;

    }

    public void onSaveDefaultTopic(Topic topic, String stakeholderId) {

        log.debug("On save default topic");

        List<Stakeholder> stakeholders = stakeholderDAO.findByDefaultId(stakeholderId);

        for(Stakeholder _stakeholder : stakeholders) {

            Topic topicNew = new Topic();

            topicNew.copyFromDefault(topic);

            topicDAO.save(topicNew);

            List<String> topics = _stakeholder.getTopics();

            topics.add(topicNew.getId());

            stakeholderDAO.save(_stakeholder);

        }

    }

    public void onUpdateDefaultTopic(Topic topic) {

        log.debug("On update default topic");

        List<Topic> topics = topicDAO.findByDefaultId(topic.getId());

        boolean changed = false;

        for(Topic topicBasedOnDefault : topics) {

            if(topic.getName() != null && !topic.getName().equals(topicBasedOnDefault.getName())) {

                changed = true;

            }

            if(topic.getDescription() != null && !topic.getDescription().equals(topicBasedOnDefault.getDescription())) {

                changed = true;

            }

            if(!changed) {

                break;

            }

            topicBasedOnDefault.setName(topic.getName());

            topicBasedOnDefault.setDescription(topic.getDescription());

            topicDAO.save(topicBasedOnDefault);

        }

    }

    @RequestMapping(value = "/{stakeholderId}/{topicId}/delete", method = RequestMethod.DELETE)

    public boolean deleteTopic(@PathVariable("stakeholderId") String stakeholderId,

                               @PathVariable("topicId") String topicId) {

        log.debug("delete topic");

        log.debug("Id: "+topicId + " - Stakeholder: "+stakeholderId);

        Stakeholder<String> stakeholder = stakeholderDAO.findById(stakeholderId);

        if(stakeholder != null) {

            Topic<String> topic = topicDAO.findById(topicId);

            if(topic != null) {

                List<String> topics = stakeholder.getTopics();

                int index = topics.indexOf(topicId);

                if(index != -1) {

                    for(String categoryId : topic.getCategories()) {

                        Category<String> category = categoryDAO.findById(categoryId);

                        if(category == null) {

                            // EXCEPTION - Category not found

                            throw new EntityNotFoundException("Delete topic: Category with id: "+categoryId+" not found (category exists in topic: "+topicId+")");

                        }

                        for(String subCategoryId : category.getSubCategories()) {

                            SubCategory<String> subcategory = subCategoryDAO.findById(subCategoryId);

                            if (subcategory == null) {

                                // EXCEPTION - SubCategory not found

                                throw new EntityNotFoundException("Delete topic: SubCategory with id: "+subCategoryId+" not found (subcategory exists in category: "+categoryId+")");

                            }

                            for(String chartSectionId : subcategory.getCharts()) {

                                Section<String> chartSection = sectionDAO.findById(chartSectionId);

                                if (chartSection == null) {

                                    // EXCEPTION - Section not found

                                    throw new EntityNotFoundException("Delete topic: Section with id: "+chartSectionId+" not found (section exists in subcategory: "+subCategoryId+")");

                                }

                                for (String chartId : chartSection.getIndicators()) {

                                    indicatorDAO.delete(chartId);

                                }

                                subcategory.setCharts(null);

                                sectionDAO.delete(chartSectionId);

                            }

                            for(String numberSectionId : subcategory.getNumbers()) {

                                Section<String> numberSection = sectionDAO.findById(numberSectionId);

                                if (numberSection == null) {

                                    // EXCEPTION - Section not found

                                    throw new EntityNotFoundException("Delete topic: Section with id: "+numberSectionId+" not found (section exists in subcategory: "+subCategoryId+")");

                                }

                                for (String numberId : numberSection.getIndicators()) {

                                    indicatorDAO.delete(numberId);

                                }

                                subcategory.setNumbers(null);

                                sectionDAO.delete(numberSectionId);

                            }

                            subCategoryDAO.delete(subCategoryId);

                        }

                        category.setSubCategories(null);

                        categoryDAO.delete(categoryId);

                    }

                    topic.setCategories(null);

                    topics.remove(index);

                    stakeholderDAO.save(stakeholder);

                    topicDAO.delete(topicId);

                    log.debug("Category deleted!");

                } else {

                    // EXCEPTION - Topic not found in Stakeholder: stakeholder.getAlias();

                    throw new PathNotValidException("Delete topic: Topic with id: "+topicId+" not found in Stakeholder: "+stakeholderId);

                }

            } else {

                // EXCEPTION - Topic not found

                throw new EntityNotFoundException("Delete topic: Topic with id: "+topicId+" not found");

            }

        } else {

            // EXCEPTION - Stakeholder not found

            throw new EntityNotFoundException("Delete topic: Stakeholder with id: "+stakeholderId+" not found");

        }

        return true;

    }

    @RequestMapping(value = "/{stakeholderId}/{topicId}/toggle-status", method = RequestMethod.POST)

    public Boolean toggleTopicStatus(@PathVariable("stakeholderId") String stakeholderId,

                                     @PathVariable("topicId") String topicId) {

        log.debug("toggle topic status (isActive)");

        log.debug("Stakeholder: "+stakeholderId + " - Topic: "+topicId);

        Topic topic = topicDAO.findById(topicId);

        if (topic == null) {

            // EXCEPTION - Topic not found

            throw new EntityNotFoundException("Toggle topic status: Topic with id: "+topicId+" not found");

        }

        topic.setIsActive(!topic.getIsActive());

        this.toggleTopic(stakeholderId, topic);

        return topic.getIsActive();

    }

    @RequestMapping(value = "/{stakeholderId}/{topicId}/toggle-access", method = RequestMethod.POST)

    public Boolean toggleTopicAccess(@PathVariable("stakeholderId") String stakeholderId,

                                         @PathVariable("topicId") String topicId) {

        log.debug("toggle topic access (isPublic)");

        log.debug("Stakeholder: "+stakeholderId + " - Topic: "+topicId);

        Topic topic = topicDAO.findById(topicId);

        if (topic == null) {

            // EXCEPTION - Topic not found

            throw new EntityNotFoundException("Toggle topic access: Topic with id: "+topicId+" not found");

        }

        topic.setIsPublic(!topic.getIsPublic());

        this.toggleTopic(stakeholderId, topic);

        return topic.getIsPublic();

    }

    public void toggleTopic(String stakeholderId, Topic topic) {

        Stakeholder<String> stakeholder = stakeholderDAO.findById(stakeholderId);

        if (stakeholder != null) {

            if (stakeholder.getTopics().contains(topic.getId())) {

                topicDAO.save(topic);

                log.debug("Topic toggled!");

            } else {

                // EXCEPTION - Topic not found in Stakeholder: stakeholder.getAlias();

                throw new PathNotValidException("Toggle topic: Topic with id: "+topic.getId()+" not found in Stakeholder: "+stakeholderId);

            }

        } else {

            // EXCEPTION - Stakeholder not found

            throw new EntityNotFoundException("Toggle topic: Stakeholder with id: "+stakeholderId+" not found");

        }

    }

}