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AbstractEntity studio
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Lines changed: 473 additions & 32 deletions

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‎build.gradle‎

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dependencies {
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implementation 'org.springframework.boot:spring-boot-starter-thymeleaf'
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implementation 'org.springframework.boot:spring-boot-starter-data-jpa'
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implementation 'mysql:mysql-connector-java:8.0.32'
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implementation 'org.springframework.boot:spring-boot-starter-validation'
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implementation 'org.springframework.boot:spring-boot-starter-web'
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developmentOnly 'org.springframework.boot:spring-boot-devtools'

‎src/main/java/org/launchcode/codingevents/controllers/EventCategoryController.java‎

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package org.launchcode.codingevents.controllers;
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import jakarta.validation.Valid;
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import org.launchcode.codingevents.data.EventCategoryRepository;
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import org.launchcode.codingevents.models.EventCategory;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.stereotype.Controller;
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import org.springframework.validation.Errors;
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import org.springframework.web.bind.annotation.GetMapping;
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import org.springframework.web.bind.annotation.ModelAttribute;
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import org.springframework.web.bind.annotation.PostMapping;
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import org.springframework.web.bind.annotation.RequestMapping;
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import org.springframework.ui.Model;
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@Controller
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@RequestMapping("eventCategories")
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public class EventCategoryController {
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@Autowired
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private EventCategoryRepository eventCategoryRepository;
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@GetMapping
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public String displayAllCategories(Model model) {
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model.addAttribute("title", "All Categories");
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model.addAttribute("categories", eventCategoryRepository.findAll());
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return "eventCategories/index";
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}
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@GetMapping("create")
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public String renderCreateEventCategoryForm(Model model) {
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model.addAttribute("title", "Create Category");
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model.addAttribute(new EventCategory());
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return "eventCategories/create";
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}
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@PostMapping("create")
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public String processCreateEventCategoryForm(@Valid @ModelAttribute EventCategory eventCategory, Errors errors, Model model) {
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if (errors.hasErrors()) {
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model.addAttribute("title", "Create Category");
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model.addAttribute(new EventCategory());
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return "eventCategories/create";
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}
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eventCategoryRepository.save(eventCategory);
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return "redirect:/eventCategories";
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}
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}
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‎src/main/java/org/launchcode/codingevents/controllers/EventController.java‎

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package org.launchcode.codingevents.controllers;
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import jakarta.validation.Valid;
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import org.launchcode.codingevents.data.EventRepository;
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import org.launchcode.codingevents.models.Event;
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import org.launchcode.codingevents.models.EventType;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.stereotype.Controller;
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import org.springframework.web.bind.annotation.GetMapping;
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import org.springframework.web.bind.annotation.RequestMapping;
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import org.springframework.web.bind.annotation.*;
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import org.springframework.ui.Model;
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import java.util.ArrayList;
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import java.util.List;
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import org.springframework.validation.Errors;
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/**
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* Created by Chris Bay
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*/
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@Controller
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@RequestMapping("events")
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public class EventController {
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@Autowired
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private EventRepository eventRepository;
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@GetMapping
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public String displayAllEvents(Model model) {
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List<String> events = new ArrayList<>();
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events.add("Code With Pride");
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events.add("Strange Loop");
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events.add("Apple WWDC");
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events.add("SpringOne Platform");
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model.addAttribute("events", events);
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model.addAttribute("title", "All Events");
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model.addAttribute("events", eventRepository.findAll());
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return "events/index";
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}
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@GetMapping("create")
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public String displayCreateEventForm(Model model) {
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model.addAttribute("title", "Create Event");
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model.addAttribute(new Event());
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model.addAttribute("types", EventType.values());
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return "events/create";
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}
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@PostMapping("create")
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public String processCreateEventForm(@ModelAttribute @Valid Event newEvent,
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Errors errors, Model model) {
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if(errors.hasErrors()) {
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model.addAttribute("title", "Create Event");
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return "events/create";
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}
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eventRepository.save(newEvent);
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return "redirect:/events";
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}
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@GetMapping("delete")
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public String displayDeleteEventForm(Model model) {
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model.addAttribute("title", "Delete Events");
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model.addAttribute("events", eventRepository.findAll());
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return "events/delete";
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}
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@PostMapping("delete")
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public String processDeleteEventsForm(@RequestParam(required = false) int[] eventIds) {
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if (eventIds != null) {
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for (int id : eventIds) {
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eventRepository.deleteById(id);
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}
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}
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return "redirect:/events";
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}
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}

‎src/main/java/org/launchcode/codingevents/data/EventCategoryRepository.java‎

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package org.launchcode.codingevents.data;
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import org.launchcode.codingevents.models.EventCategory;
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import org.springframework.data.repository.CrudRepository;
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import org.springframework.stereotype.Repository;
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@Repository
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public interface EventCategoryRepository extends CrudRepository<EventCategory, Integer> {
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}

‎src/main/java/org/launchcode/codingevents/data/EventRepository.java‎

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package org.launchcode.codingevents.data;
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import org.launchcode.codingevents.models.Event;
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import org.springframework.data.repository.CrudRepository;
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import org.springframework.stereotype.Repository;
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@Repository
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public interface EventRepository extends CrudRepository<Event, Integer> {
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}

‎src/main/java/org/launchcode/codingevents/models/AbstractEntity.java‎

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package org.launchcode.codingevents.models;
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import jakarta.persistence.Entity;
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import jakarta.persistence.GeneratedValue;
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import jakarta.persistence.Id;
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import jakarta.persistence.MappedSuperclass;
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import jakarta.validation.constraints.Email;
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import jakarta.validation.constraints.NotBlank;
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import jakarta.validation.constraints.Size;
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import java.util.Objects;
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/**
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* Created by Chris Bay
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*/
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@MappedSuperclass
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public abstract class AbstractEntity {
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@Id
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@GeneratedValue
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private int id;
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public AbstractEntity() {}
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public int getId() {
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return id;
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}
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@Override
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public boolean equals(Object o) {
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if (this == o) return true;
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if (o == null || getClass() != o.getClass()) return false;
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AbstractEntity entity = (AbstractEntity) o;
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return id == entity.id;
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}
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@Override
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public int hashCode() {
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return Objects.hash(id);
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}
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}

‎src/main/java/org/launchcode/codingevents/models/Event.java‎

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package org.launchcode.codingevents.models;
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import jakarta.persistence.Entity;
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import jakarta.persistence.GeneratedValue;
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import jakarta.persistence.Id;
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import jakarta.validation.constraints.Email;
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import jakarta.validation.constraints.NotBlank;
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import jakarta.validation.constraints.Size;
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import java.util.Objects;
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/**
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* Created by Chris Bay
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*/
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@Entity
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public class Event extends AbstractEntity {
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@NotBlank(message = "Name is required")
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@Size(min = 3, max = 50, message = "Name must be between 3 and 50 characters")
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private String name;
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@Size(max = 500, message = "Description too long!")
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private String description;
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@NotBlank(message = "Email is required")
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@Email(message = "Invalid email. Try again.")
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private String contactEmail;
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private EventType type;
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public Event(String name, String description, String contactEmail, EventType type) {
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this.name = name;
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this.description = description;
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this.contactEmail = contactEmail;
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this.type = type;
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}
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public Event() {}
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public String getName() {
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return name;
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}
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public void setName(String name) {
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this.name = name;
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}
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public String getDescription() {
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return description;
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}
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public void setDescription(String description) {
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this.description = description;
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}
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public String getContactEmail() {
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return contactEmail;
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}
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public void setContactEmail(String contactEmail) {
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this.contactEmail = contactEmail;
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}
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public EventType getType() {
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return type;
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}
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public void setType(EventType type) {
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this.type = type;
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}
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@Override
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public String toString() {
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return name;
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}
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}

‎src/main/java/org/launchcode/codingevents/models/EventCategory.java‎

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package org.launchcode.codingevents.models;
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import jakarta.persistence.Entity;
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import jakarta.persistence.GeneratedValue;
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import jakarta.persistence.Id;
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import jakarta.validation.constraints.Size;
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import java.util.Objects;
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@Entity
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public class EventCategory extends AbstractEntity {
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@Size(min=3, message="Name must be at least 3 characters long")
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private String name;
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public EventCategory(@Size(min = 3, message = "Name must be at least 3 characters long") String name) {
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this.name = name;
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}
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public EventCategory() {}
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public String getName() {
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return name;
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}
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public void setName(String name) {
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this.name = name;
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}
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@Override
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public String toString() {
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return name;
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}
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}

‎src/main/java/org/launchcode/codingevents/models/EventType.java‎

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package org.launchcode.codingevents.models;
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/**
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* Created by Chris Bay
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*/
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public enum EventType {
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CONFERENCE("Conference"),
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MEETUP("Meetup"),
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WORKSHOP("Workshop"),
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SOCIAL("Social");
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private final String displayName;
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EventType(String displayName) {
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this.displayName = displayName;
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}
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public String getDisplayName() {
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return displayName;
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}
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}

‎src/main/resources/application.properties‎

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# Database connection settings
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spring.datasource.url=jdbc:mysql://localhost:3306/codingevents
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spring.datasource.username=bwulf
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spring.datasource.password=Launchcode
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# Specify the DBMS
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spring.jpa.database = MYSQL
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# Show or not log for each sql query
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spring.jpa.show-sql = false
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# Hibernate ddl auto (create, create-drop, update)
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spring.jpa.hibernate.ddl-auto = update
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# Use spring.jpa.properties.* for Hibernate native properties (the prefix is
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# stripped before adding them to the entity manager)
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spring.jpa.properties.hibernate.dialect = org.hibernate.dialect.MySQL8Dialect

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