first commit

.gitignore

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+target/
+!.mvn/wrapper/maven-wrapper.jar
+!**/src/main/**/target/
+!**/src/test/**/target/
+
+### IntelliJ IDEA ###
+.idea/modules.xml
+.idea/jarRepositories.xml
+.idea/compiler.xml
+.idea/libraries/
+*.iws
+*.iml
+*.ipr
+out/
+!**/src/main/**/out/
+!**/src/test/**/out/
+
+### Eclipse ###
+.apt_generated
+.classpath
+.factorypath
+.project
+.settings
+.springBeans
+.sts4-cache
+bin/
+!**/src/main/**/bin/
+!**/src/test/**/bin/
+
+### NetBeans ###
+/nbproject/private/
+/nbbuild/
+/dist/
+/nbdist/
+/.nb-gradle/
+build/
+!**/src/main/**/build/
+!**/src/test/**/build/
+
+### VS Code ###
+.vscode/
+
+### Mac OS ###
+.DS_Store
+
+### Scala ###
+.bsp/

.idea/.gitignore

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+# Default ignored files
+/shelf/
+/workspace.xml
+# Environment-dependent path to Maven home directory
+/mavenHomeManager.xml

.idea/codeStyles/Project.xml

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+<component name="ProjectCodeStyleConfiguration">
+  <code_scheme name="Project" version="173">
+    <ScalaCodeStyleSettings>
+      <option name="MULTILINE_STRING_CLOSING_QUOTES_ON_NEW_LINE" value="true" />
+    </ScalaCodeStyleSettings>
+  </code_scheme>
+</component>

.idea/codeStyles/codeStyleConfig.xml

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+<component name="ProjectCodeStyleConfiguration">
+  <state>
+    <option name="PREFERRED_PROJECT_CODE_STYLE" value="Default" />
+  </state>
+</component>

.idea/dataSources.local.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="dataSourceStorageLocal" created-in="IU-251.26927.53">
+    <data-source name="dev_yobble" uuid="8cc6eef6-a2cb-4f0d-8725-7254ac90d01a">
+      <database-info product="PostgreSQL" version="17.5 (Debian 17.5-1.pgdg120+1)" jdbc-version="4.2" driver-name="PostgreSQL JDBC Driver" driver-version="42.7.3" dbms="POSTGRES" exact-version="17.5" exact-driver-version="42.7">
+        <identifier-quote-string>&quot;</identifier-quote-string>
+      </database-info>
+      <case-sensitivity plain-identifiers="lower" quoted-identifiers="exact" />
+      <secret-storage>master_key</secret-storage>
+      <user-name>yobble_app_user</user-name>
+      <schema-mapping>
+        <introspection-scope>
+          <node kind="database" qname="yobble_db">
+            <node kind="schema" qname="public" />
+          </node>
+        </introspection-scope>
+      </schema-mapping>
+      <ssh-properties>
+        <enabled>true</enabled>
+        <ssh-config-id>e7ab21f4-934a-4dec-b5f8-5504ead7fc52</ssh-config-id>
+      </ssh-properties>
+    </data-source>
+  </component>
+</project>

.idea/dataSources.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="DataSourceManagerImpl" format="xml" multifile-model="true">
+    <data-source source="LOCAL" name="dev_yobble" uuid="8cc6eef6-a2cb-4f0d-8725-7254ac90d01a">
+      <driver-ref>postgresql</driver-ref>
+      <synchronize>true</synchronize>
+      <jdbc-driver>org.postgresql.Driver</jdbc-driver>
+      <jdbc-url>jdbc:postgresql://localhost:5101/yobble_db</jdbc-url>
+      <jdbc-additional-properties>
+        <property name="com.intellij.clouds.kubernetes.db.host.port" />
+        <property name="com.intellij.clouds.kubernetes.db.enabled" value="false" />
+        <property name="com.intellij.clouds.kubernetes.db.container.port" />
+      </jdbc-additional-properties>
+      <working-dir>$ProjectFileDir$</working-dir>
+    </data-source>
+  </component>
+</project>

.idea/dataSources/8cc6eef6-a2cb-4f0d-8725-7254ac90d01a/storage_v2/_src_/database/postgres.edMnLQ.meta

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+#n:postgres

.idea/dataSources/8cc6eef6-a2cb-4f0d-8725-7254ac90d01a/storage_v2/_src_/database/postgres.edMnLQ/schema/information_schema.FNRwLQ.meta

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+#n:information_schema
+!<md> [null, 0, null, null, -2147483648, -2147483648]

.idea/dataSources/8cc6eef6-a2cb-4f0d-8725-7254ac90d01a/storage_v2/_src_/database/postgres.edMnLQ/schema/pg_catalog.0S1ZNQ.meta

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+#n:pg_catalog
+!<md> [null, 0, null, null, -2147483648, -2147483648]

.idea/dataSources/8cc6eef6-a2cb-4f0d-8725-7254ac90d01a/storage_v2/_src_/database/postgres.edMnLQ/schema/public.abK9xQ.meta

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+#n:public
+!<md> [810, 0, null, null, -2147483648, -2147483648]

.idea/dataSources/8cc6eef6-a2cb-4f0d-8725-7254ac90d01a/storage_v2/_src_/database/yobble_db.7sx5DA.meta

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+#n:yobble_db

.idea/dataSources/8cc6eef6-a2cb-4f0d-8725-7254ac90d01a/storage_v2/_src_/database/yobble_db.7sx5DA/schema/information_schema.FNRwLQ.meta

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+#n:information_schema
+!<md> [null, 0, null, null, -2147483648, -2147483648]

.idea/dataSources/8cc6eef6-a2cb-4f0d-8725-7254ac90d01a/storage_v2/_src_/database/yobble_db.7sx5DA/schema/pg_catalog.0S1ZNQ.meta

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+#n:pg_catalog
+!<md> [null, 0, null, null, -2147483648, -2147483648]

.idea/dataSources/8cc6eef6-a2cb-4f0d-8725-7254ac90d01a/storage_v2/_src_/database/yobble_db.7sx5DA/schema/public.abK9xQ.meta

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+#n:public
+!<md> [816, 0, null, null, -2147483648, -2147483648]

.idea/misc.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ProjectRootManager" version="2" languageLevel="JDK_21" default="true" project-jdk-name="graalvm-jdk-21" project-jdk-type="JavaSDK">
+    <output url="file://$PROJECT_DIR$/out" />
+  </component>
+</project>

.idea/sbt.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ScalaSbtSettings">
+    <option name="linkedExternalProjectsSettings">
+      <SbtProjectSettings>
+        <option name="converterVersion" value="2" />
+        <option name="externalProjectPath" value="$PROJECT_DIR$" />
+        <option name="modules">
+          <set>
+            <option value="$PROJECT_DIR$" />
+            <option value="$PROJECT_DIR$/project" />
+          </set>
+        </option>
+        <option name="sbtVersion" value="1.11.2" />
+        <option name="separateProdAndTestSourcesIsExplicit" value="true" />
+      </SbtProjectSettings>
+    </option>
+  </component>
+</project>

.idea/scala_compiler.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ScalaCompilerConfiguration">
+    <option name="separateProdTestSources" value="true" />
+    <profile name="sbt 1" modules="chat_private_service,chat_private_service.main,chat_private_service.test" />
+  </component>
+</project>

.idea/scala_settings.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ScalaProjectSettings">
+    <option name="migrateConfigurationsNotificationShown" value="true" />
+    <option name="scala3DisclaimerShown" value="true" />
+  </component>
+</project>

.idea/vcs.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="VcsDirectoryMappings">
+    <mapping directory="$PROJECT_DIR$" vcs="Git" />
+  </component>
+</project>

build.sbt

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+ThisBuild / version := "0.1.0-SNAPSHOT"
+
+ThisBuild / scalaVersion := "3.3.6"
+
+val catsVersion = "3.6.1"
+val http4sVersion = "0.23.30"
+val circeVersion = "0.14.8"
+val tapirVersion = "1.11.35"
+
+lazy val root = (project in file("."))
+  .settings(
+    name := "chat_private_service",
+    libraryDependencies ++= Seq(
+      "org.typelevel" %% "cats-effect" % catsVersion,
+      "org.http4s" %% "http4s-ember-server" % http4sVersion,
+      "org.http4s" %% "http4s-ember-client" % http4sVersion,
+      "org.http4s" %% "http4s-dsl" % http4sVersion,
+      "org.http4s" %% "http4s-circe" % http4sVersion,
+      "io.circe" %% "circe-generic" % circeVersion,
+
+      // Tapir + Swagger
+      "com.softwaremill.sttp.tapir" %% "tapir-http4s-server" % tapirVersion,
+      "com.softwaremill.sttp.tapir" %% "tapir-json-circe" % tapirVersion,
+      "com.softwaremill.sttp.tapir" %% "tapir-swagger-ui-bundle" % tapirVersion
+    )
+  )

project/build.properties

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+sbt.version = 1.11.2

src/main/scala/org/yobble/chat_private_service/Main.scala

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+package org.yobble.chat_private_service
+
+import cats.effect.*
+import io.circe.generic.auto.*
+import org.http4s.*
+import org.http4s.circe.*
+import org.http4s.dsl.io.*
+import org.http4s.ember.server.*
+import org.http4s.implicits.*
+import org.http4s.server.Router
+
+import cats.implicits.toSemigroupKOps
+import com.comcast.ip4s.{Port, host}
+import org.http4s.circe.CirceEntityCodec.*
+import org.yobble.chat_private_service.api.Routes
+import org.yobble.chat_private_service.config.AppConfig
+
+object Main extends IOApp {
+  override def run(args: List[String]): IO[ExitCode] =
+    EmberServerBuilder
+      .default[IO]
+      .withHost(host"0.0.0.0")
+      .withPort(port = Port.fromInt(AppConfig.PORT).get)
+      .withHttpApp(Routes.all.orNotFound)
+      .build
+      .use(_ =>
+        IO.println(s"Server running at http://${AppConfig.HOST}:${AppConfig.PORT}") *>
+          IO.println(s"Swagger UI available at http://${AppConfig.HOST}:${AppConfig.PORT}/docs") *>
+          IO.never
+      )
+      .as(ExitCode.Success)
+}

src/main/scala/org/yobble/chat_private_service/api/Routes.scala

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+package org.yobble.chat_private_service.api
+
+import cats.effect.IO
+import org.http4s.HttpRoutes
+import sttp.tapir.server.http4s._
+import sttp.tapir.swagger.bundle.SwaggerInterpreter
+import org.yobble.chat_private_service.api.endpoint.PingEndpoint._
+import cats.syntax.semigroupk._
+import org.yobble.chat_private_service.api.response.BaseResponse
+
+object Routes {
+  private val pingRoute = Http4sServerInterpreter[IO]().toRoutes(
+  pingEndpoint.serverLogicSuccess(_ => IO.pure(BaseResponse("fine", "pong")))
+  )
+
+  private val docsRoutes = Http4sServerInterpreter[IO]().toRoutes(
+    SwaggerInterpreter().fromEndpoints[IO](
+      List(pingEndpoint),
+      "chat_private_service API",
+      "1.0"
+    )
+  )
+
+  val all: HttpRoutes[IO] = pingRoute <+> docsRoutes
+}

src/main/scala/org/yobble/chat_private_service/api/endpoint/PingEndpoint.scala

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+package org.yobble.chat_private_service.api.endpoint
+
+import sttp.tapir._
+import sttp.tapir.generic.auto._
+import sttp.tapir.json.circe._
+import io.circe.generic.auto._
+import org.yobble.chat_private_service.api.response.BaseResponse
+import org.yobble.chat_private_service.config.AppConfig
+
+object PingEndpoint {
+
+  val pingEndpoint: PublicEndpoint[Unit, Unit, BaseResponse, Any] =
+    endpoint.get
+      .in("ping")
+      .out(jsonBody[BaseResponse])
+}

src/main/scala/org/yobble/chat_private_service/api/response/BaseResponse.scala

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+package org.yobble.chat_private_service.api.response
+
+final case class BaseResponse(status: String, message: String)

src/main/scala/org/yobble/chat_private_service/config/AppConfig.scala

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+package org.yobble.chat_private_service.config
+
+object AppConfig {
+
+  val HOST = "0.0.0.0"
+  val PORT = 5205
+
+}