Hw2

FP_re/bot/pom.xml

@@ -0,0 +1,65 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <parent>
+        <groupId>org.example</groupId>
+        <artifactId>FP</artifactId>
+        <version>1.0</version>
+    </parent>
+
+    <modelVersion>4.0.0</modelVersion>
+
+    <artifactId>bot</artifactId>
+
+    <properties>
+        <starter-validation.version>3.0.1</starter-validation.version>
+        <starter-web.version>2.7.6</starter-web.version>
+    </properties>
+
+    <dependencies>
+        <!--Swagger UI-->
+        <dependency>
+            <groupId>org.springdoc</groupId>
+            <artifactId>springdoc-openapi-starter-webmvc-ui</artifactId>
+            <version>2.0.2</version>
+        </dependency>
+        <dependency>
+            <groupId>org.apache.commons</groupId>
+            <artifactId>commons-lang3</artifactId>
+            <version>3.10</version>
+        </dependency>
+        <!--Swagger UI-->
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-validation</artifactId>
+            <version>${starter-validation.version}</version>
+        </dependency>
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-web</artifactId>
+            <version>${starter-web.version}</version>
+        </dependency>
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-devtools</artifactId>
+            <scope>runtime</scope>
+            <optional>true</optional>
+        </dependency>
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-configuration-processor</artifactId>
+            <optional>true</optional>
+        </dependency>
+        <dependency>
+            <groupId>org.springframework</groupId>
+            <artifactId>spring-context-indexer</artifactId>
+            <optional>true</optional>
+        </dependency>
+        <dependency>
+            <groupId>org.projectlombok</groupId>
+            <artifactId>lombok</artifactId>
+            <optional>true</optional>
+        </dependency>
+    </dependencies>
+</project>

FP_re/bot/src/main/java/ru/tinkoff/edu/java/bot/BotApplication.java

@@ -0,0 +1,15 @@
+package ru.tinkoff.edu.java.bot;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+import org.springframework.boot.context.properties.EnableConfigurationProperties;
+import ru.tinkoff.edu.java.bot.configuration.ApplicationConfig;
+
+@SpringBootApplication
+@EnableConfigurationProperties(ApplicationConfig.class)
+public class BotApplication {
+public static void main(String[] args) {
+        var ctx = SpringApplication.run(BotApplication.class, args);
+        ApplicationConfig config = ctx.getBean(ApplicationConfig.class);
+        }
+}

FP_re/bot/src/main/java/ru/tinkoff/edu/java/bot/api/BotController.java

@@ -0,0 +1,14 @@
+package ru.tinkoff.edu.java.bot.api;
+
+import org.springframework.web.bind.annotation.*;
+import ru.tinkoff.edu.java.bot.api.model.LinkUpdate;
+
+@RestController
+@RequestMapping("/update")
+public class BotController {
+
+    @PostMapping
+    public String updateChat(@RequestBody LinkUpdate update) {
+        return update.toString();
+    }
+}

FP_re/bot/src/main/java/ru/tinkoff/edu/java/bot/api/exceptionHandler/BotExceptionHandler.java

@@ -0,0 +1,36 @@
+package ru.tinkoff.edu.java.bot.api.exceptionHandler;
+
+import org.springframework.http.converter.HttpMessageNotReadableException;
+import org.springframework.web.HttpRequestMethodNotSupportedException;
+import org.springframework.http.HttpStatus;
+import org.springframework.web.bind.annotation.ExceptionHandler;
+import org.springframework.web.bind.annotation.ResponseStatus;
+import org.springframework.web.bind.annotation.RestControllerAdvice;
+import ru.tinkoff.edu.java.bot.api.model.ApiErrorResponse;
+
+@RestControllerAdvice
+public class BotExceptionHandler {
+
+    private String getDescription(String message) {
+        ApiErrorResponse errorObj = new ApiErrorResponse(
+                message,
+                null,
+                null,
+                null,
+                null
+        );
+        return errorObj.description();
+    }
+
+    @ExceptionHandler(HttpMessageNotReadableException.class)
+    @ResponseStatus(HttpStatus.BAD_REQUEST)
+    public String MessageNotReadable(HttpMessageNotReadableException Exception) {
+        return getDescription("Некорректные значения параметров или их нет!");
+    }
+
+    @ExceptionHandler(HttpRequestMethodNotSupportedException.class)
+    @ResponseStatus(HttpStatus.BAD_REQUEST)
+    public String MethodNotSupported(HttpRequestMethodNotSupportedException Exception) {
+        return getDescription("Метод не разрешен!");
+    }
+}

FP_re/bot/src/main/java/ru/tinkoff/edu/java/bot/api/model/ApiErrorResponse.java

@@ -0,0 +1,11 @@
+package ru.tinkoff.edu.java.bot.api.model;
+
+import java.util.List;
+
+public record ApiErrorResponse(
+        String description,
+        String code,
+        String exceptionName,
+        String exceptionMessage,
+        List<String> stacktrace
+) {}

FP_re/bot/src/main/java/ru/tinkoff/edu/java/bot/api/model/LinkUpdate.java

@@ -0,0 +1,6 @@
+package ru.tinkoff.edu.java.bot.api.model;
+
+import java.util.List;
+
+public record LinkUpdate(long id, String url, String description, List<Long> tgChatIds) {
+}

FP_re/bot/src/main/java/ru/tinkoff/edu/java/bot/configuration/ApplicationConfig.java

@@ -0,0 +1,12 @@
+package ru.tinkoff.edu.java.bot.configuration;
+
+import jakarta.validation.constraints.NotNull;
+import org.springframework.boot.context.properties.ConfigurationProperties;
+import org.springframework.scheduling.annotation.EnableScheduling;
+import org.springframework.validation.annotation.Validated;
+import ru.tinkoff.edu.java.bot.schedule.Scheduler;
+
+@Validated
+@EnableScheduling
+@ConfigurationProperties(prefix = "app", ignoreUnknownFields = false)
+public record ApplicationConfig(@NotNull String test, @NotNull Scheduler scheduler) {}

FP_re/bot/src/main/java/ru/tinkoff/edu/java/bot/schedule/LinkUpdaterScheduler.java

@@ -0,0 +1,17 @@
+package ru.tinkoff.edu.java.bot.schedule;
+
+import org.springframework.scheduling.annotation.Scheduled;
+import org.springframework.stereotype.Service;
+
+import java.util.logging.Level;
+import java.util.logging.Logger;
+
+@Service
+public class LinkUpdaterScheduler {
+    private final static Logger LOGGER =  Logger.getLogger(Logger.GLOBAL_LOGGER_NAME);
+
+    @Scheduled(fixedDelayString = "${app.scheduler.interval}")
+    public void update() {
+        LOGGER.log(Level.INFO, "Info bot called");
+    }
+}

FP_re/bot/src/main/java/ru/tinkoff/edu/java/bot/schedule/Scheduler.java

@@ -0,0 +1,5 @@
+package ru.tinkoff.edu.java.bot.schedule;
+
+import java.time.Duration;
+
+public record Scheduler(Duration interval) {}

FP_re/bot/src/main/resources/application.properties

@@ -0,0 +1,3 @@
+app.test=123
+springdoc.swagger-ui.path=/swagger-ui
+app.scheduler.interval=5000

FP_re/bot/src/main/resources/botapi.yml

@@ -0,0 +1,59 @@
+openapi: 3.0.1
+info:
+  title: Bot API
+  version: 1.0.0
+  contact:
+    name: Alexander Biryukov
+    url: https://github.com
+paths:
+  /updates:
+    post:
+      summary: Отправить обновление
+      requestBody:
+        content:
+          application/json:
+            schema:
+              $ref: '#/components/schemas/LinkUpdate'
+        required: true
+      responses:
+        '200':
+          description: Обновление обработано
+        '400':
+          description: Некорректные параметры запроса
+          content:
+            application/json:
+              schema:
+                $ref: '#/components/schemas/ApiErrorResponse'
+components:
+  schemas:
+    ApiErrorResponse:
+      type: object
+      properties:
+        description:
+          type: string
+        code:
+          type: string
+        exceptionName:
+          type: string
+        exceptionMessage:
+          type: string
+        stacktrace:
+          type: array
+          items:
+            type: string
+    LinkUpdate:
+      type: object
+      properties:
+        id:
+          type: integer
+          format: int64
+        url:
+          type: string
+          format: uri
+        description:
+          type: string
+        tgChatIds:
+          type: array
+          items:
+            type: integer
+            format: int64

FP_re/link-parser/pom.xml

@@ -0,0 +1,14 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <parent>
+        <groupId>org.example</groupId>
+        <artifactId>FP</artifactId>
+        <version>1.0</version>
+    </parent>
+
+    <modelVersion>4.0.0</modelVersion>
+
+    <artifactId>link-parser</artifactId>
+</project>

FP_re/link-parser/src/main/java/ru/tinkoff/edu/java/linkparser/LinkParser.java

@@ -0,0 +1,18 @@
+package ru.tinkoff.edu.java.linkparser;
+
+import ru.tinkoff.edu.java.linkparser.absracts.*;
+
+public class LinkParser {
+
+    public String getLink(String link) {
+
+        AbstractParser gitParser = new GitParser();
+        AbstractParser stackParser = new StackParser();
+        AbstractParser otherParser = new OtherParser();
+
+        gitParser.setNextParser(stackParser);
+        stackParser.setNextParser(otherParser);
+
+        return gitParser.logParser(link);
+    }
+}

FP_re/link-parser/src/main/java/ru/tinkoff/edu/java/linkparser/absracts/AbstractParser.java

@@ -0,0 +1,20 @@
+package ru.tinkoff.edu.java.linkparser.absracts;
+
+public abstract class AbstractParser {
+
+    private AbstractParser nextParser;
+
+    public void setNextParser(AbstractParser nextParser) {
+        this.nextParser = nextParser;
+    }
+
+    public String logParser (String link) {
+        if(nextParser != null) {
+            if(this.parsAbstract(link) == null) return nextParser.logParser(link);
+        }
+        return this.parsAbstract(link);
+    }
+
+    abstract protected String parsAbstract(String link);
+
+}

FP_re/link-parser/src/main/java/ru/tinkoff/edu/java/linkparser/absracts/GitParser.java

@@ -0,0 +1,18 @@
+package ru.tinkoff.edu.java.linkparser.absracts;
+
+import java.util.Objects;
+
+public class GitParser extends AbstractParser {
+
+    @Override
+    protected String parsAbstract(String link) {
+
+        String[] parsed = link.split("/");
+
+        if(!Objects.equals(parsed[2], "github.com")) return null;
+
+        if (parsed.length > 4) return parsed[3] + "/" + parsed[4];
+
+        return null;
+    }
+}

FP_re/link-parser/src/main/java/ru/tinkoff/edu/java/linkparser/absracts/OtherParser.java

@@ -0,0 +1,9 @@
+package ru.tinkoff.edu.java.linkparser.absracts;
+
+public class OtherParser extends AbstractParser {
+
+    @Override
+    protected String parsAbstract(String link) {
+        return null;
+    }
+}

FP_re/link-parser/src/main/java/ru/tinkoff/edu/java/linkparser/absracts/StackParser.java

@@ -0,0 +1,20 @@
+package ru.tinkoff.edu.java.linkparser.absracts;
+
+import java.util.Objects;
+
+public class StackParser extends AbstractParser {
+
+    @Override
+    protected String parsAbstract(String link) {
+
+        String[] parsed = link.split("/");
+
+        if (!Objects.equals(parsed[2], "stackoverflow.com")) return null;
+        if (!Objects.equals(parsed[3], "questions")) return null;
+
+
+        if (parsed.length > 4) return parsed[4];
+
+        return null;
+    }
+}