sunmeat · November 26, 2025 19:11
diff --git a/different files.java b/different files.java
 build.gradle:

 plugins {
 	id 'java'
 	id 'org.springframework.boot' version '4.0.0-SNAPSHOT'
 	id 'io.spring.dependency-management' version '1.1.7'
 }

 group = 'site.sunmeat'
 version = '0.0.1-SNAPSHOT'
 description = 'Demo project for Spring Boot'

 java {
 	toolchain {
 		languageVersion = JavaLanguageVersion.of(25)
 	}
 }

 repositories {
 	mavenCentral()
 	maven { url = 'https://repo.spring.io/snapshot' }
 	google() // !!!
 }

 dependencies {
    implementation 'org.springframework.boot:spring-boot-starter-web'
    implementation 'org.springframework.boot:spring-boot-starter-thymeleaf'
    implementation 'com.google.firebase:firebase-admin:+' // !!!
 }

 tasks.named('test') {
 	useJUnitPlatform()
 }

 ===================================================================================================
  
 HibernateApplication.java:

 package site.sunmeat.hibernate;

 import java.awt.Desktop;
 import java.io.*;
 import java.net.URI;
 import org.springframework.boot.SpringApplication;
 import org.springframework.boot.autoconfigure.SpringBootApplication;
 import org.springframework.boot.context.event.ApplicationReadyEvent;
 import org.springframework.context.annotation.Bean;
 import org.springframework.context.event.EventListener;
 import org.springframework.stereotype.Component;
 import com.google.auth.oauth2.GoogleCredentials;
 import com.google.firebase.*;

 @SpringBootApplication
 public class HibernateApplication {
 	public static void main(String[] args) {
 		SpringApplication.run(HibernateApplication.class, args);
 	}
 	
 	@Bean
 	public FirebaseApp initializeFirebase() throws IOException {
 	    InputStream serviceAccount = getClass()
 	        .getClassLoader()
 	       .getResourceAsStream("firebase-service-account.json");

 	    FirebaseOptions options = FirebaseOptions.builder()
 	        .setCredentials(GoogleCredentials.fromStream(serviceAccount))
 	        .build();

 	    if (FirebaseApp.getApps().isEmpty()) {
 	        FirebaseApp.initializeApp(options);
 	    }
 	    return FirebaseApp.getInstance();
 	}
 }

 @Component
 class BrowserLauncher {
    @EventListener(ApplicationReadyEvent.class)
    public void launchBrowser() {
        System.setProperty("java.awt.headless", "false");
        Desktop desktop = Desktop.getDesktop();
        try {
            desktop.browse(new URI("http://localhost:8080"));
        } catch (Exception e) { }
    }
 } 

 ===================================================================================================

 WebController.java:

 package site.sunmeat.hibernate;

 import com.google.api.core.ApiFuture;
 import com.google.cloud.firestore.*;
 import com.google.firebase.cloud.FirestoreClient;
 import jakarta.annotation.PostConstruct;
 import org.springframework.context.annotation.DependsOn;
 import org.springframework.stereotype.Service;
 import org.springframework.web.bind.annotation.*;
 import java.util.*;

 @Service
 @DependsOn("initializeFirebase")
 class RandomNumberService {
    private Firestore db;

    @PostConstruct
    public void init() {
        db = FirestoreClient.getFirestore();
        System.out.println("Firestore ініціалізовано успішно!");
    }

    private static final String COLLECTION = "random_numbers";

    public void sendRandomNumber() {
        Random random = new Random();
        int number = random.nextInt(1000) + 1;

        Map<String, Object> data = new HashMap<>();
        data.put("number", number);
        data.put("timestamp", System.currentTimeMillis());

        db.collection(COLLECTION).add(data);
    }

    
    public List<Integer> getAllNumbers() {
        try {
            Query query = db.collection(COLLECTION).orderBy("timestamp", Query.Direction.ASCENDING);
            ApiFuture<QuerySnapshot> future = query.get();
            QuerySnapshot snapshot = future.get();

            List<Integer> numbers = new ArrayList<>();
            for (DocumentSnapshot doc : snapshot.getDocuments()) {
                Long num = doc.getLong("number");
                if (num != null) {
                    numbers.add(num.intValue());
                }
            }
            return numbers;
        } catch (Exception e) {
            e.printStackTrace();
            return Collections.emptyList();
        }
    }
 }

 @RestController
 @RequestMapping("/api/numbers")
 public class WebController {
    private final RandomNumberService numberService;

    public WebController(RandomNumberService numberService) {
        this.numberService = numberService;
    }

    @PostMapping("/send")
    public Map<String, Object> sendNumber() {
        numberService.sendRandomNumber();
        Map<String, Object> response = new HashMap<>();
        response.put("success", true);
        response.put("message", "Число відправлено в Firestore!");
        return response;
    }

    @GetMapping("/list")
    public List<Integer> getNumbers() {
        return numberService.getAllNumbers();
    }
 }

 ===================================================================================================

 styles.css:

 @import url('https://fonts.googleapis.com/css2?family=Google+Sans:wght@300;400;500;600;700&family=Google+Sans+Mono:wght@400;500&display=swap');

 :root {
    --md-sys-color-primary: #8ab4f8;
    --md-sys-color-on-primary: #000c1a;
    --md-sys-color-primary-container: #001d36;
    --md-sys-color-on-primary-container: #c5ddff;
    --md-sys-color-secondary: #b8c1cc;
    --md-sys-color-on-secondary: #1d1f26;
    --md-sys-color-secondary-container: #363b43;
    --md-sys-color-on-secondary-container: #d9dce4;
    --md-sys-color-error: #ffb4ab;
    --md-sys-color-background: #000c1a;
    --md-sys-color-on-background: #e1e2e5;
    --md-sys-color-surface: #0b0e14;
    --md-sys-color-on-surface: #e1e2e5;
    --md-sys-color-surface-variant: #41464e;
    --md-sys-color-on-surface-variant: #c1c5cf;
    --md-sys-color-outline: #8b919e;
 }

 body {
    margin: 0;
    min-height: 100vh;
    font-family: 'Google Sans', system-ui, sans-serif;
    background: var(--md-sys-color-background);
    color: var(--md-sys-color-on-background);
    line-height: 1.5;
 }

 .container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 40px 24px;
 }

 h1 {
    font-size: 36px;
    font-weight: 400;
    color: var(--md-sys-color-primary);
    margin: 0 0 16px;
    letter-spacing: -0.5px;
 }

 h2 {
    font-size: 22px;
    font-weight: 500;
    color: var(--md-sys-color-on-surface);
    margin: 60px 0 32px;
    text-align: center;
 }

 button {
    padding: 10px 24px;
    font-size: 14px;
    font-weight: 500;
    font-family: 'Google Sans', sans-serif;
    background: var(--md-sys-color-primary);
    color: var(--md-sys-color-on-primary);
    border: none;
    border-radius: 50px;
    cursor: pointer;
    transition: all 0.2s;
    box-shadow: 0 1px 3px rgba(0,0,0,0.3);
    min-height: 40px;
 }

 button:hover {
    background: #669df6;
    box-shadow: 0 4px 8px rgba(0,0,0,0.4);
    transform: translateY(-1px);
 }

 button:nth-of-type(2) {
    background: transparent;
    color: var(--md-sys-color-primary);
    border: 1px solid var(--md-sys-color-outline);
    margin-left: 12px;
 }

 button:nth-of-type(2):hover {
    background: rgba(138, 180, 248, 0.08);
 }

 #numberStatus {
    margin: 20px 0;
    font-size: 15px;
    color: #ffb4ab;
    text-align: center;
    min-height: 24px;
    font-weight: 500;
 }

 #numbersList {
    position: relative;
    margin: 32px auto;
    max-width: 900px;
    background: var(--md-sys-color-surface);
    border-radius: 12px;
    border: 1px solid var(--md-sys-color-outline);
    box-shadow: 0 1px 3px rgba(0,0,0,0.2);
    overflow: hidden;
    font-family: 'Google Sans Mono', monospace;
 }

 #numbersList::before {
    content: "random_numbers";
    position: absolute;
    top: 12px;
    left: 20px;
    font-size: 12px;
    font-weight: 500;
    color: var(--md-sys-color-on-surface-variant);
    background: var(--md-sys-color-surface);
    padding: 0 8px;
    z-index: 2;
 }

 #numbersList textarea {
    width: 100%;
    min-height: 500px;
    padding: 52px 24px 24px;
    margin: 0;
    border: none;
    background: transparent;
    color: var(--md-sys-color-primary);
    font-family: 'Google Sans Mono', monospace;
    font-size: 1.6rem;
    font-weight: 500;
    line-height: 2.4;
    resize: none;
    outline: none;
    text-align: center;
    letter-spacing: 1px;
 }

 #numbersList textarea::placeholder {
    color: #5f6368;
    opacity: 0.6;
 }

 #numbersList textarea::-webkit-scrollbar {
    width: 8px;
 }
 #numbersList textarea::-webkit-scrollbar-track {
    background: transparent;
 }
 #numbersList textarea::-webkit-scrollbar-thumb {
    background: #41464e;
    border-radius: 4px;
 }
 #numbersList textarea::-webkit-scrollbar-thumb:hover {
    background: #5f6368;
 }

 .movie-card {
    background: var(--md-sys-color-surface) !important;
    border: 1px solid var(--md-sys-color-outline) !important;
    border-left: 4px solid var(--md-sys-color-primary) !important;
    border-radius: 12px !important;
    box-shadow: 0 2px 8px rgba(0,0,0,0.3) !important;
 }

 .header {
    color: var(--md-sys-color-primary) !important;
    background: none !important;
    -webkit-text-fill-color: unset !important;
    font-family: 'Google Sans', sans-serif !important;
    font-size: 28px !important;
    font-weight: 500 !important;
 }

 @media (max-width: 768px) {
    h1 { font-size: 28px; }
    button { width: 100%; margin: 8px 0 !important; }
    #numbersList textarea { font-size: 1.4rem; padding: 56px 16px 16px; }
 }

 ===================================================================================================

 index.html:

 <!DOCTYPE html>
 <html xmlns:th="http://www.thymeleaf.org">
 <head>
    <meta charset="UTF-8">
    <title th:text="${title}">Firestore</title>
    <script src="https://unpkg.com/[email protected]"></script>
    <link rel="stylesheet" href="/styles.css">
 </head>
 <body>

 <div class="container">
    <h2>Колекція: random_numbers</h2>

    <div style="text-align: center; margin-bottom: 20px;">
        <button hx-post="/api/numbers/send"
                hx-target="#numberStatus"
                hx-swap="innerHTML">
            Надіслати випадкове число
        </button>

        <button hx-get="/api/numbers/list"
                hx-target="#numbersTextarea"
                hx-swap="innerHTML"
                style="margin-left: 12px;">
            Оновити список
        </button>
    </div>

    <p id="numberStatus"></p>

    <div id="numbersList">
        <textarea id="numbersTextarea" readonly placeholder="Тут з'являться числа з Firestore..."></textarea>
    </div>
 </div>

 <script>
    document.body.addEventListener('htmx:afterSwap', function(evt) {
        if (evt.detail.target.id === 'numbersTextarea') {
            const text = evt.detail.xhr.responseText.trim();
            evt.detail.target.value = text || 'Поки що немає даних...';
        }
    });
 </script>

 </body>
 </html>
	build.gradle:

	plugins {
	id 'java'
	id 'org.springframework.boot' version '4.0.0-SNAPSHOT'
	id 'io.spring.dependency-management' version '1.1.7'
	}

	group = 'site.sunmeat'
	version = '0.0.1-SNAPSHOT'
	description = 'Demo project for Spring Boot'

	java {
	toolchain {
	languageVersion = JavaLanguageVersion.of(25)
	}
	}

	repositories {
	mavenCentral()
	maven { url = 'https://repo.spring.io/snapshot' }
	google() // !!!
	}

	dependencies {
	implementation 'org.springframework.boot:spring-boot-starter-web'
	implementation 'org.springframework.boot:spring-boot-starter-thymeleaf'
	implementation 'com.google.firebase:firebase-admin:+' // !!!
	}

	tasks.named('test') {
	useJUnitPlatform()
	}

	===================================================================================================

	HibernateApplication.java:

	package site.sunmeat.hibernate;

	import java.awt.Desktop;
	import java.io.*;
	import java.net.URI;
	import org.springframework.boot.SpringApplication;
	import org.springframework.boot.autoconfigure.SpringBootApplication;
	import org.springframework.boot.context.event.ApplicationReadyEvent;
	import org.springframework.context.annotation.Bean;
	import org.springframework.context.event.EventListener;
	import org.springframework.stereotype.Component;
	import com.google.auth.oauth2.GoogleCredentials;
	import com.google.firebase.*;

	@SpringBootApplication
	public class HibernateApplication {
	public static void main(String[] args) {
	SpringApplication.run(HibernateApplication.class, args);
	}

	@Bean
	public FirebaseApp initializeFirebase() throws IOException {
	InputStream serviceAccount = getClass()
	.getClassLoader()
	.getResourceAsStream("firebase-service-account.json");

	FirebaseOptions options = FirebaseOptions.builder()
	.setCredentials(GoogleCredentials.fromStream(serviceAccount))
	.build();

	if (FirebaseApp.getApps().isEmpty()) {
	FirebaseApp.initializeApp(options);
	}
	return FirebaseApp.getInstance();
	}
	}

	@Component
	class BrowserLauncher {
	@EventListener(ApplicationReadyEvent.class)
	public void launchBrowser() {
	System.setProperty("java.awt.headless", "false");
	Desktop desktop = Desktop.getDesktop();
	try {
	desktop.browse(new URI("http://localhost:8080"));
	} catch (Exception e) { }
	}
	}

	===================================================================================================

	WebController.java:

	package site.sunmeat.hibernate;

	import com.google.api.core.ApiFuture;
	import com.google.cloud.firestore.*;
	import com.google.firebase.cloud.FirestoreClient;
	import jakarta.annotation.PostConstruct;
	import org.springframework.context.annotation.DependsOn;
	import org.springframework.stereotype.Service;
	import org.springframework.web.bind.annotation.*;
	import java.util.*;

	@Service
	@DependsOn("initializeFirebase")
	class RandomNumberService {
	private Firestore db;

	@PostConstruct
	public void init() {
	db = FirestoreClient.getFirestore();
	System.out.println("Firestore ініціалізовано успішно!");
	}

	private static final String COLLECTION = "random_numbers";

	public void sendRandomNumber() {
	Random random = new Random();
	int number = random.nextInt(1000) + 1;

	Map<String, Object> data = new HashMap<>();
	data.put("number", number);
	data.put("timestamp", System.currentTimeMillis());

	db.collection(COLLECTION).add(data);
	}


	public List<Integer> getAllNumbers() {
	try {
	Query query = db.collection(COLLECTION).orderBy("timestamp", Query.Direction.ASCENDING);
	ApiFuture<QuerySnapshot> future = query.get();
	QuerySnapshot snapshot = future.get();

	List<Integer> numbers = new ArrayList<>();
	for (DocumentSnapshot doc : snapshot.getDocuments()) {
	Long num = doc.getLong("number");
	if (num != null) {
	numbers.add(num.intValue());
	}
	}
	return numbers;
	} catch (Exception e) {
	e.printStackTrace();
	return Collections.emptyList();
	}
	}
	}

	@RestController
	@RequestMapping("/api/numbers")
	public class WebController {
	private final RandomNumberService numberService;

	public WebController(RandomNumberService numberService) {
	this.numberService = numberService;
	}

	@PostMapping("/send")
	public Map<String, Object> sendNumber() {
	numberService.sendRandomNumber();
	Map<String, Object> response = new HashMap<>();
	response.put("success", true);
	response.put("message", "Число відправлено в Firestore!");
	return response;
	}

	@GetMapping("/list")
	public List<Integer> getNumbers() {
	return numberService.getAllNumbers();
	}
	}

	===================================================================================================

	styles.css:

	@import url('https://fonts.googleapis.com/css2?family=Google+Sans:wght@300;400;500;600;700&family=Google+Sans+Mono:wght@400;500&display=swap');

	:root {
	--md-sys-color-primary: #8ab4f8;
	--md-sys-color-on-primary: #000c1a;
	--md-sys-color-primary-container: #001d36;
	--md-sys-color-on-primary-container: #c5ddff;
	--md-sys-color-secondary: #b8c1cc;
	--md-sys-color-on-secondary: #1d1f26;
	--md-sys-color-secondary-container: #363b43;
	--md-sys-color-on-secondary-container: #d9dce4;
	--md-sys-color-error: #ffb4ab;
	--md-sys-color-background: #000c1a;
	--md-sys-color-on-background: #e1e2e5;
	--md-sys-color-surface: #0b0e14;
	--md-sys-color-on-surface: #e1e2e5;
	--md-sys-color-surface-variant: #41464e;
	--md-sys-color-on-surface-variant: #c1c5cf;
	--md-sys-color-outline: #8b919e;
	}

	body {
	margin: 0;
	min-height: 100vh;
	font-family: 'Google Sans', system-ui, sans-serif;
	background: var(--md-sys-color-background);
	color: var(--md-sys-color-on-background);
	line-height: 1.5;
	}

	.container {
	max-width: 1200px;
	margin: 0 auto;
	padding: 40px 24px;
	}

	h1 {
	font-size: 36px;
	font-weight: 400;
	color: var(--md-sys-color-primary);
	margin: 0 0 16px;
	letter-spacing: -0.5px;
	}

	h2 {
	font-size: 22px;
	font-weight: 500;
	color: var(--md-sys-color-on-surface);
	margin: 60px 0 32px;
	text-align: center;
	}

	button {
	padding: 10px 24px;
	font-size: 14px;
	font-weight: 500;
	font-family: 'Google Sans', sans-serif;
	background: var(--md-sys-color-primary);
	color: var(--md-sys-color-on-primary);
	border: none;
	border-radius: 50px;
	cursor: pointer;
	transition: all 0.2s;
	box-shadow: 0 1px 3px rgba(0,0,0,0.3);
	min-height: 40px;
	}

	button:hover {
	background: #669df6;
	box-shadow: 0 4px 8px rgba(0,0,0,0.4);
	transform: translateY(-1px);
	}

	button:nth-of-type(2) {
	background: transparent;
	color: var(--md-sys-color-primary);
	border: 1px solid var(--md-sys-color-outline);
	margin-left: 12px;
	}

	button:nth-of-type(2):hover {
	background: rgba(138, 180, 248, 0.08);
	}

	#numberStatus {
	margin: 20px 0;
	font-size: 15px;
	color: #ffb4ab;
	text-align: center;
	min-height: 24px;
	font-weight: 500;
	}

	#numbersList {
	position: relative;
	margin: 32px auto;
	max-width: 900px;
	background: var(--md-sys-color-surface);
	border-radius: 12px;
	border: 1px solid var(--md-sys-color-outline);
	box-shadow: 0 1px 3px rgba(0,0,0,0.2);
	overflow: hidden;
	font-family: 'Google Sans Mono', monospace;
	}

	#numbersList::before {
	content: "random_numbers";
	position: absolute;
	top: 12px;
	left: 20px;
	font-size: 12px;
	font-weight: 500;
	color: var(--md-sys-color-on-surface-variant);
	background: var(--md-sys-color-surface);
	padding: 0 8px;
	z-index: 2;
	}

	#numbersList textarea {
	width: 100%;
	min-height: 500px;
	padding: 52px 24px 24px;
	margin: 0;
	border: none;
	background: transparent;
	color: var(--md-sys-color-primary);
	font-family: 'Google Sans Mono', monospace;
	font-size: 1.6rem;
	font-weight: 500;
	line-height: 2.4;
	resize: none;
	outline: none;
	text-align: center;
	letter-spacing: 1px;
	}

	#numbersList textarea::placeholder {
	color: #5f6368;
	opacity: 0.6;
	}

	#numbersList textarea::-webkit-scrollbar {
	width: 8px;
	}
	#numbersList textarea::-webkit-scrollbar-track {
	background: transparent;
	}
	#numbersList textarea::-webkit-scrollbar-thumb {
	background: #41464e;
	border-radius: 4px;
	}
	#numbersList textarea::-webkit-scrollbar-thumb:hover {
	background: #5f6368;
	}

	.movie-card {
	background: var(--md-sys-color-surface) !important;
	border: 1px solid var(--md-sys-color-outline) !important;
	border-left: 4px solid var(--md-sys-color-primary) !important;
	border-radius: 12px !important;
	box-shadow: 0 2px 8px rgba(0,0,0,0.3) !important;
	}

	.header {
	color: var(--md-sys-color-primary) !important;
	background: none !important;
	-webkit-text-fill-color: unset !important;
	font-family: 'Google Sans', sans-serif !important;
	font-size: 28px !important;
	font-weight: 500 !important;
	}

	@media (max-width: 768px) {
	h1 { font-size: 28px; }
	button { width: 100%; margin: 8px 0 !important; }
	#numbersList textarea { font-size: 1.4rem; padding: 56px 16px 16px; }
	}

	===================================================================================================

	index.html:

	<!DOCTYPE html>
	<html xmlns:th="http://www.thymeleaf.org">
	<head>
	<meta charset="UTF-8">
	<title th:text="${title}">Firestore</title>
	<script src="https://unpkg.com/[email protected]"></script>
	<link rel="stylesheet" href="/styles.css">
	</head>
	<body>

	<div class="container">
	<h2>Колекція: random_numbers</h2>

	<div style="text-align: center; margin-bottom: 20px;">
	<button hx-post="/api/numbers/send"
	hx-target="#numberStatus"
	hx-swap="innerHTML">
	Надіслати випадкове число
	</button>

	<button hx-get="/api/numbers/list"
	hx-target="#numbersTextarea"
	hx-swap="innerHTML"
	style="margin-left: 12px;">
	Оновити список
	</button>
	</div>

	<p id="numberStatus"></p>

	<div id="numbersList">
	<textarea id="numbersTextarea" readonly placeholder="Тут з'являться числа з Firestore..."></textarea>
	</div>
	</div>

	<script>
	document.body.addEventListener('htmx:afterSwap', function(evt) {
	if (evt.detail.target.id === 'numbersTextarea') {
	const text = evt.detail.xhr.responseText.trim();
	evt.detail.target.value = text \|\| 'Поки що немає даних...';
	}
	});
	</script>

	</body>
	</html>
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