Added swagger (springfox) Hexlet#8

pom.xml

@@ -15,17 +15,21 @@
     <description>Demo project for Spring Boot</description>
 
     <properties>
-        <java.version>12</java.version>
-        <rest-assured.version>4.1.0</rest-assured.version>
-        <maven-checkstyle-plugin.version>3.1.0</maven-checkstyle-plugin.version>
-        <lombok.version>1.18.8</lombok.version>
-        <h2database.version>1.4.199</h2database.version>
         <checkstyle.config.location>checkstyle.xml</checkstyle.config.location>
 
         <!-- Code Coverage -->
         <jacoco-maven-plugin.version>0.8.4</jacoco-maven-plugin.version>
         <jacoco-maven-plugin.lines-coverage-ratio>0.8</jacoco-maven-plugin.lines-coverage-ratio>
         <jacoco-maven-plugin.methods-coverage-ratio>0.8</jacoco-maven-plugin.methods-coverage-ratio>
+
+        <!-- Dependencies versions -->
+        <java.version>12</java.version>
+        <rest-assured.version>4.1.0</rest-assured.version>
+        <maven-checkstyle-plugin.version>3.1.0</maven-checkstyle-plugin.version>
+        <lombok.version>1.18.8</lombok.version>
+        <h2database.version>1.4.199</h2database.version>
+        <springfox-swagger2.version>2.9.2</springfox-swagger2.version>
+        <springfox-swagger-ui.version>2.9.2</springfox-swagger-ui.version>
     </properties>
 
     <dependencies>
@@ -61,6 +65,16 @@
             <version>${h2database.version}</version>
             <scope>test</scope>
         </dependency>
+        <dependency>
+            <groupId>io.springfox</groupId>
+            <artifactId>springfox-swagger2</artifactId>
+            <version>${springfox-swagger2.version}</version>
+        </dependency>
+        <dependency>
+            <groupId>io.springfox</groupId>
+            <artifactId>springfox-swagger-ui</artifactId>
+            <version>${springfox-swagger-ui.version}</version>
+        </dependency>
     </dependencies>
 
     <build>

src/main/java/io/hexlet/hexletcorrection/config/SwaggerConfig.java

@@ -0,0 +1,56 @@
+package io.hexlet.hexletcorrection.config;
+
+import com.google.common.base.Predicate;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.http.MediaType;
+import springfox.documentation.RequestHandler;
+import springfox.documentation.builders.PathSelectors;
+import springfox.documentation.builders.RequestHandlerSelectors;
+import springfox.documentation.spi.DocumentationType;
+import springfox.documentation.spring.web.plugins.Docket;
+import springfox.documentation.swagger2.annotations.EnableSwagger2;
+
+import java.util.Set;
+
+@Configuration
+@EnableSwagger2
+public class SwaggerConfig {
+
+    @Bean
+    public Docket fullApi() {
+        return new Docket(DocumentationType.SWAGGER_2)
+                .groupName("full-api")
+                .produces(Set.of(MediaType.APPLICATION_JSON_VALUE))
+                .select()
+                    .apis(baseControllersPackage())
+                    .paths(PathSelectors.any())
+                    .build();
+    }
+
+    @Bean
+    public Docket usersApi() {
+        return new Docket(DocumentationType.SWAGGER_2)
+                .groupName("users-api")
+                .produces(Set.of(MediaType.APPLICATION_JSON_VALUE))
+                .select()
+                    .apis(baseControllersPackage())
+                    .paths(PathSelectors.regex("/users.*"))
+                    .build();
+    }
+
+    @Bean
+    public Docket correctionsApi() {
+        return new Docket(DocumentationType.SWAGGER_2)
+                .groupName("corrections-api")
+                .produces(Set.of(MediaType.APPLICATION_JSON_VALUE))
+                .select()
+                    .apis(baseControllersPackage())
+                    .paths(PathSelectors.regex("/corrections.*"))
+                    .build();
+    }
+
+    private Predicate<RequestHandler> baseControllersPackage() {
+        return RequestHandlerSelectors.basePackage("io.hexlet.hexletcorrection.controller");
+    }
+}