commit d15cf46ac3a8de4734b4b2b95826ce5af6dc3a9d
Author: materus <materus@podkos.pl>
Date:   Sun Feb 18 12:35:17 2024 +0100

    Init commit

diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..c2065bc
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,37 @@
+HELP.md
+.gradle
+build/
+!gradle/wrapper/gradle-wrapper.jar
+!**/src/main/**/build/
+!**/src/test/**/build/
+
+### STS ###
+.apt_generated
+.classpath
+.factorypath
+.project
+.settings
+.springBeans
+.sts4-cache
+bin/
+!**/src/main/**/bin/
+!**/src/test/**/bin/
+
+### IntelliJ IDEA ###
+.idea
+*.iws
+*.iml
+*.ipr
+out/
+!**/src/main/**/out/
+!**/src/test/**/out/
+
+### NetBeans ###
+/nbproject/private/
+/nbbuild/
+/dist/
+/nbdist/
+/.nb-gradle/
+
+### VS Code ###
+.vscode/
diff --git a/README.md b/README.md
new file mode 100644
index 0000000..cf43a2b
--- /dev/null
+++ b/README.md
@@ -0,0 +1,40 @@
+# GHRepo
+
+
+
+## Description
+
+Recruitment task.
+REST API application that retrieves a user's repositories and their branches, returning only those that are not forks.
+
+
+## Build
+
+Needs Java 21 and Gradle 8.5
+To build clone and run
+```bash
+./gradlew build
+```
+ ## Usage
+ 
+ Program needs to get request with appropriate header `application/json` to enpoint `/{username}`
+ For example with curl
+ ```bash
+ curl -H "Accept: application/json" http://127.0.0.1:8080/materusPL
+ ```
+
+ Program will return list of repositories and their branches in format:
+ ```json
+ [{ 
+    "name":"", //Repository name
+    "owner":"", //Owner name
+    "branches": [{"name":"", "sha":"" }] //List of branches with their name and last commit sha
+ }]
+ ```
+ On error it will return json in format:
+ ```json
+ {
+    "message":"",
+    "status":""
+ }
+ ```
diff --git a/build.gradle b/build.gradle
new file mode 100644
index 0000000..e9a300e
--- /dev/null
+++ b/build.gradle
@@ -0,0 +1,30 @@
+plugins {
+	id 'java'
+	id 'org.springframework.boot' version '3.2.2'
+	id 'io.spring.dependency-management' version '1.1.4'
+}
+
+group = 'pl.materus'
+version = '0.0.1-SNAPSHOT'
+
+java {
+	sourceCompatibility = '21'
+	targetCompatibility = '21'
+}
+
+repositories {
+	mavenCentral()
+}
+
+dependencies {
+	implementation 'org.springframework.boot:spring-boot-starter-web'
+	implementation 'org.springframework.boot:spring-boot-starter-webflux'
+
+	testImplementation 'org.springframework.boot:spring-boot-starter-test'
+	testImplementation 'org.wiremock:wiremock-standalone:3.3.1'
+	testImplementation 'io.projectreactor:reactor-test'
+
+}
+tasks.named('test') {
+	useJUnitPlatform()
+}
diff --git a/gradle/wrapper/gradle-wrapper.jar b/gradle/wrapper/gradle-wrapper.jar
new file mode 100644
index 0000000..d64cd49
Binary files /dev/null and b/gradle/wrapper/gradle-wrapper.jar differ
diff --git a/gradle/wrapper/gradle-wrapper.properties b/gradle/wrapper/gradle-wrapper.properties
new file mode 100644
index 0000000..1af9e09
--- /dev/null
+++ b/gradle/wrapper/gradle-wrapper.properties
@@ -0,0 +1,7 @@
+distributionBase=GRADLE_USER_HOME
+distributionPath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.5-bin.zip
+networkTimeout=10000
+validateDistributionUrl=true
+zipStoreBase=GRADLE_USER_HOME
+zipStorePath=wrapper/dists
diff --git a/gradlew b/gradlew
new file mode 100755
index 0000000..1aa94a4
--- /dev/null
+++ b/gradlew
@@ -0,0 +1,249 @@
+#!/bin/sh
+
+#
+# Copyright © 2015-2021 the original authors.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      https://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
+##############################################################################
+#
+#   Gradle start up script for POSIX generated by Gradle.
+#
+#   Important for running:
+#
+#   (1) You need a POSIX-compliant shell to run this script. If your /bin/sh is
+#       noncompliant, but you have some other compliant shell such as ksh or
+#       bash, then to run this script, type that shell name before the whole
+#       command line, like:
+#
+#           ksh Gradle
+#
+#       Busybox and similar reduced shells will NOT work, because this script
+#       requires all of these POSIX shell features:
+#         * functions;
+#         * expansions «$var», «${var}», «${var:-default}», «${var+SET}»,
+#           «${var#prefix}», «${var%suffix}», and «$( cmd )»;
+#         * compound commands having a testable exit status, especially «case»;
+#         * various built-in commands including «command», «set», and «ulimit».
+#
+#   Important for patching:
+#
+#   (2) This script targets any POSIX shell, so it avoids extensions provided
+#       by Bash, Ksh, etc; in particular arrays are avoided.
+#
+#       The "traditional" practice of packing multiple parameters into a
+#       space-separated string is a well documented source of bugs and security
+#       problems, so this is (mostly) avoided, by progressively accumulating
+#       options in "$@", and eventually passing that to Java.
+#
+#       Where the inherited environment variables (DEFAULT_JVM_OPTS, JAVA_OPTS,
+#       and GRADLE_OPTS) rely on word-splitting, this is performed explicitly;
+#       see the in-line comments for details.
+#
+#       There are tweaks for specific operating systems such as AIX, CygWin,
+#       Darwin, MinGW, and NonStop.
+#
+#   (3) This script is generated from the Groovy template
+#       https://github.com/gradle/gradle/blob/HEAD/subprojects/plugins/src/main/resources/org/gradle/api/internal/plugins/unixStartScript.txt
+#       within the Gradle project.
+#
+#       You can find Gradle at https://github.com/gradle/gradle/.
+#
+##############################################################################
+
+# Attempt to set APP_HOME
+
+# Resolve links: $0 may be a link
+app_path=$0
+
+# Need this for daisy-chained symlinks.
+while
+    APP_HOME=${app_path%"${app_path##*/}"}  # leaves a trailing /; empty if no leading path
+    [ -h "$app_path" ]
+do
+    ls=$( ls -ld "$app_path" )
+    link=${ls#*' -> '}
+    case $link in             #(
+      /*)   app_path=$link ;; #(
+      *)    app_path=$APP_HOME$link ;;
+    esac
+done
+
+# This is normally unused
+# shellcheck disable=SC2034
+APP_BASE_NAME=${0##*/}
+# Discard cd standard output in case $CDPATH is set (https://github.com/gradle/gradle/issues/25036)
+APP_HOME=$( cd "${APP_HOME:-./}" > /dev/null && pwd -P ) || exit
+
+# Use the maximum available, or set MAX_FD != -1 to use that value.
+MAX_FD=maximum
+
+warn () {
+    echo "$*"
+} >&2
+
+die () {
+    echo
+    echo "$*"
+    echo
+    exit 1
+} >&2
+
+# OS specific support (must be 'true' or 'false').
+cygwin=false
+msys=false
+darwin=false
+nonstop=false
+case "$( uname )" in                #(
+  CYGWIN* )         cygwin=true  ;; #(
+  Darwin* )         darwin=true  ;; #(
+  MSYS* | MINGW* )  msys=true    ;; #(
+  NONSTOP* )        nonstop=true ;;
+esac
+
+CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
+
+
+# Determine the Java command to use to start the JVM.
+if [ -n "$JAVA_HOME" ] ; then
+    if [ -x "$JAVA_HOME/jre/sh/java" ] ; then
+        # IBM's JDK on AIX uses strange locations for the executables
+        JAVACMD=$JAVA_HOME/jre/sh/java
+    else
+        JAVACMD=$JAVA_HOME/bin/java
+    fi
+    if [ ! -x "$JAVACMD" ] ; then
+        die "ERROR: JAVA_HOME is set to an invalid directory: $JAVA_HOME
+
+Please set the JAVA_HOME variable in your environment to match the
+location of your Java installation."
+    fi
+else
+    JAVACMD=java
+    if ! command -v java >/dev/null 2>&1
+    then
+        die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
+
+Please set the JAVA_HOME variable in your environment to match the
+location of your Java installation."
+    fi
+fi
+
+# Increase the maximum file descriptors if we can.
+if ! "$cygwin" && ! "$darwin" && ! "$nonstop" ; then
+    case $MAX_FD in #(
+      max*)
+        # In POSIX sh, ulimit -H is undefined. That's why the result is checked to see if it worked.
+        # shellcheck disable=SC2039,SC3045
+        MAX_FD=$( ulimit -H -n ) ||
+            warn "Could not query maximum file descriptor limit"
+    esac
+    case $MAX_FD in  #(
+      '' | soft) :;; #(
+      *)
+        # In POSIX sh, ulimit -n is undefined. That's why the result is checked to see if it worked.
+        # shellcheck disable=SC2039,SC3045
+        ulimit -n "$MAX_FD" ||
+            warn "Could not set maximum file descriptor limit to $MAX_FD"
+    esac
+fi
+
+# Collect all arguments for the java command, stacking in reverse order:
+#   * args from the command line
+#   * the main class name
+#   * -classpath
+#   * -D...appname settings
+#   * --module-path (only if needed)
+#   * DEFAULT_JVM_OPTS, JAVA_OPTS, and GRADLE_OPTS environment variables.
+
+# For Cygwin or MSYS, switch paths to Windows format before running java
+if "$cygwin" || "$msys" ; then
+    APP_HOME=$( cygpath --path --mixed "$APP_HOME" )
+    CLASSPATH=$( cygpath --path --mixed "$CLASSPATH" )
+
+    JAVACMD=$( cygpath --unix "$JAVACMD" )
+
+    # Now convert the arguments - kludge to limit ourselves to /bin/sh
+    for arg do
+        if
+            case $arg in                                #(
+              -*)   false ;;                            # don't mess with options #(
+              /?*)  t=${arg#/} t=/${t%%/*}              # looks like a POSIX filepath
+                    [ -e "$t" ] ;;                      #(
+              *)    false ;;
+            esac
+        then
+            arg=$( cygpath --path --ignore --mixed "$arg" )
+        fi
+        # Roll the args list around exactly as many times as the number of
+        # args, so each arg winds up back in the position where it started, but
+        # possibly modified.
+        #
+        # NB: a `for` loop captures its iteration list before it begins, so
+        # changing the positional parameters here affects neither the number of
+        # iterations, nor the values presented in `arg`.
+        shift                   # remove old arg
+        set -- "$@" "$arg"      # push replacement arg
+    done
+fi
+
+
+# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+DEFAULT_JVM_OPTS='"-Xmx64m" "-Xms64m"'
+
+# Collect all arguments for the java command:
+#   * DEFAULT_JVM_OPTS, JAVA_OPTS, JAVA_OPTS, and optsEnvironmentVar are not allowed to contain shell fragments,
+#     and any embedded shellness will be escaped.
+#   * For example: A user cannot expect ${Hostname} to be expanded, as it is an environment variable and will be
+#     treated as '${Hostname}' itself on the command line.
+
+set -- \
+        "-Dorg.gradle.appname=$APP_BASE_NAME" \
+        -classpath "$CLASSPATH" \
+        org.gradle.wrapper.GradleWrapperMain \
+        "$@"
+
+# Stop when "xargs" is not available.
+if ! command -v xargs >/dev/null 2>&1
+then
+    die "xargs is not available"
+fi
+
+# Use "xargs" to parse quoted args.
+#
+# With -n1 it outputs one arg per line, with the quotes and backslashes removed.
+#
+# In Bash we could simply go:
+#
+#   readarray ARGS < <( xargs -n1 <<<"$var" ) &&
+#   set -- "${ARGS[@]}" "$@"
+#
+# but POSIX shell has neither arrays nor command substitution, so instead we
+# post-process each arg (as a line of input to sed) to backslash-escape any
+# character that might be a shell metacharacter, then use eval to reverse
+# that process (while maintaining the separation between arguments), and wrap
+# the whole thing up as a single "set" statement.
+#
+# This will of course break if any of these variables contains a newline or
+# an unmatched quote.
+#
+
+eval "set -- $(
+        printf '%s\n' "$DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS" |
+        xargs -n1 |
+        sed ' s~[^-[:alnum:]+,./:=@_]~\\&~g; ' |
+        tr '\n' ' '
+    )" '"$@"'
+
+exec "$JAVACMD" "$@"
diff --git a/gradlew.bat b/gradlew.bat
new file mode 100644
index 0000000..6689b85
--- /dev/null
+++ b/gradlew.bat
@@ -0,0 +1,92 @@
+@rem
+@rem Copyright 2015 the original author or authors.
+@rem
+@rem Licensed under the Apache License, Version 2.0 (the "License");
+@rem you may not use this file except in compliance with the License.
+@rem You may obtain a copy of the License at
+@rem
+@rem      https://www.apache.org/licenses/LICENSE-2.0
+@rem
+@rem Unless required by applicable law or agreed to in writing, software
+@rem distributed under the License is distributed on an "AS IS" BASIS,
+@rem WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+@rem See the License for the specific language governing permissions and
+@rem limitations under the License.
+@rem
+
+@if "%DEBUG%"=="" @echo off
+@rem ##########################################################################
+@rem
+@rem  Gradle startup script for Windows
+@rem
+@rem ##########################################################################
+
+@rem Set local scope for the variables with windows NT shell
+if "%OS%"=="Windows_NT" setlocal
+
+set DIRNAME=%~dp0
+if "%DIRNAME%"=="" set DIRNAME=.
+@rem This is normally unused
+set APP_BASE_NAME=%~n0
+set APP_HOME=%DIRNAME%
+
+@rem Resolve any "." and ".." in APP_HOME to make it shorter.
+for %%i in ("%APP_HOME%") do set APP_HOME=%%~fi
+
+@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+set DEFAULT_JVM_OPTS="-Xmx64m" "-Xms64m"
+
+@rem Find java.exe
+if defined JAVA_HOME goto findJavaFromJavaHome
+
+set JAVA_EXE=java.exe
+%JAVA_EXE% -version >NUL 2>&1
+if %ERRORLEVEL% equ 0 goto execute
+
+echo.
+echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
+echo.
+echo Please set the JAVA_HOME variable in your environment to match the
+echo location of your Java installation.
+
+goto fail
+
+:findJavaFromJavaHome
+set JAVA_HOME=%JAVA_HOME:"=%
+set JAVA_EXE=%JAVA_HOME%/bin/java.exe
+
+if exist "%JAVA_EXE%" goto execute
+
+echo.
+echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME%
+echo.
+echo Please set the JAVA_HOME variable in your environment to match the
+echo location of your Java installation.
+
+goto fail
+
+:execute
+@rem Setup the command line
+
+set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar
+
+
+@rem Execute Gradle
+"%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %*
+
+:end
+@rem End local scope for the variables with windows NT shell
+if %ERRORLEVEL% equ 0 goto mainEnd
+
+:fail
+rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of
+rem the _cmd.exe /c_ return code!
+set EXIT_CODE=%ERRORLEVEL%
+if %EXIT_CODE% equ 0 set EXIT_CODE=1
+if not ""=="%GRADLE_EXIT_CONSOLE%" exit %EXIT_CODE%
+exit /b %EXIT_CODE%
+
+:mainEnd
+if "%OS%"=="Windows_NT" endlocal
+
+:omega
diff --git a/settings.gradle b/settings.gradle
new file mode 100644
index 0000000..1c49194
--- /dev/null
+++ b/settings.gradle
@@ -0,0 +1 @@
+rootProject.name = 'ghrepo'
diff --git a/src/main/java/pl/materus/ghrepo/GhrepoApplication.java b/src/main/java/pl/materus/ghrepo/GhrepoApplication.java
new file mode 100644
index 0000000..09dc17f
--- /dev/null
+++ b/src/main/java/pl/materus/ghrepo/GhrepoApplication.java
@@ -0,0 +1,13 @@
+package pl.materus.ghrepo;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+
+@SpringBootApplication
+public class GhrepoApplication {
+
+	public static void main(String[] args) {
+		SpringApplication.run(GhrepoApplication.class, args);
+	}
+
+}
diff --git a/src/main/java/pl/materus/ghrepo/config/WebClientConfig.java b/src/main/java/pl/materus/ghrepo/config/WebClientConfig.java
new file mode 100644
index 0000000..4fe1b3c
--- /dev/null
+++ b/src/main/java/pl/materus/ghrepo/config/WebClientConfig.java
@@ -0,0 +1,34 @@
+package pl.materus.ghrepo.config;
+
+import org.springframework.beans.factory.annotation.Value;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.lang.NonNull;
+import org.springframework.web.reactive.function.client.WebClient;
+
+@Configuration
+public class WebClientConfig {
+
+    @Value("${github-url}")
+    @NonNull
+    private String webclientUrl = "https://api.github.com";
+
+    @Bean
+    public WebClient.Builder webClientBuilder() {
+        return WebClient.builder();
+    }
+
+    @Bean
+    public WebClient githubWebClient(WebClient.Builder webClientBuilder) {
+        return webClientBuilder.baseUrl(this.getWebclientUrl()).build();
+    }
+
+    @NonNull
+    public String getWebclientUrl() {
+        return webclientUrl;
+    }
+
+    public void setWebclientUrl(@NonNull String webclientUrl) {
+        this.webclientUrl = webclientUrl;
+    }
+}
diff --git a/src/main/java/pl/materus/ghrepo/controller/GitHubController.java b/src/main/java/pl/materus/ghrepo/controller/GitHubController.java
new file mode 100644
index 0000000..dce0fc9
--- /dev/null
+++ b/src/main/java/pl/materus/ghrepo/controller/GitHubController.java
@@ -0,0 +1,84 @@
+package pl.materus.ghrepo.controller;
+
+import pl.materus.ghrepo.exception.WrongHeaderException;
+import pl.materus.ghrepo.model.ResponseErrorModel;
+import pl.materus.ghrepo.model.ResponseRepositoryModel;
+import pl.materus.ghrepo.service.GitHubService;
+
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.http.HttpHeaders;
+import org.springframework.http.HttpStatus;
+import org.springframework.http.MediaType;
+import org.springframework.http.ResponseEntity;
+import org.springframework.web.bind.annotation.ExceptionHandler;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.PathVariable;
+import org.springframework.web.bind.annotation.RequestHeader;
+import org.springframework.web.bind.annotation.RestController;
+import org.springframework.web.reactive.function.client.WebClientResponseException;
+
+import reactor.core.publisher.Flux;
+
+@RestController
+public class GitHubController {
+
+    private final GitHubService gitHubService;
+
+    @Autowired
+    public GitHubController(GitHubService gitHubService) {
+        this.gitHubService = gitHubService;
+    }
+
+    @GetMapping("/{username}")
+    public ResponseEntity<Flux<ResponseRepositoryModel>> getUserRepos(
+            @RequestHeader(name = HttpHeaders.ACCEPT) String acceptHeader, @PathVariable String username) {
+        
+        if (!acceptHeader.contains("application/json")) {
+            throw new WrongHeaderException("Request does not contain the 'application/json' header.");
+        }
+        HttpHeaders httpHeaders= new HttpHeaders();
+        httpHeaders.setContentType(MediaType.APPLICATION_JSON);
+        return ResponseEntity.ok().headers(httpHeaders).body(gitHubService.getUserRepos(username));
+    }
+
+    @ExceptionHandler(WebClientResponseException.class)
+    public ResponseEntity<ResponseErrorModel> handleResponseException(WebClientResponseException ex) {
+        ResponseErrorModel responseErrorModel = new ResponseErrorModel();
+        HttpStatus status = HttpStatus.INTERNAL_SERVER_ERROR;
+        HttpHeaders httpHeaders= new HttpHeaders();
+        httpHeaders.setContentType(MediaType.APPLICATION_JSON);
+
+        responseErrorModel.setStatus(ex.getStatusCode().value());
+        switch (responseErrorModel.getStatus()) {
+            case 404:
+                responseErrorModel.setMessage("User not found");
+                status = HttpStatus.NOT_FOUND;
+                break;
+
+            case 403:
+                responseErrorModel.setMessage("Github API limit");
+                status = HttpStatus.FORBIDDEN;
+                break;
+
+            default:
+                responseErrorModel.setMessage("Unknown github webclient error");
+                break;
+
+        }
+
+        return ResponseEntity.status(status).headers(httpHeaders).body(responseErrorModel);
+
+    }
+
+    @ExceptionHandler(WrongHeaderException.class)
+    public ResponseEntity<ResponseErrorModel> handleResponseException(WrongHeaderException ex) {
+        ResponseErrorModel responseErrorModel = new ResponseErrorModel();
+        responseErrorModel.setStatus(HttpStatus.BAD_REQUEST.value());
+        responseErrorModel.setMessage(ex.getMessage());
+        
+        HttpHeaders httpHeaders= new HttpHeaders();
+        httpHeaders.setContentType(MediaType.APPLICATION_JSON);
+
+        return ResponseEntity.badRequest().headers(httpHeaders).body(responseErrorModel);
+    }
+}
diff --git a/src/main/java/pl/materus/ghrepo/exception/WrongHeaderException.java b/src/main/java/pl/materus/ghrepo/exception/WrongHeaderException.java
new file mode 100644
index 0000000..37078cb
--- /dev/null
+++ b/src/main/java/pl/materus/ghrepo/exception/WrongHeaderException.java
@@ -0,0 +1,7 @@
+package pl.materus.ghrepo.exception;
+
+public class WrongHeaderException extends RuntimeException {
+    public WrongHeaderException(String message) {
+        super(message);
+    }
+}
diff --git a/src/main/java/pl/materus/ghrepo/model/GitHubBranchCommitModel.java b/src/main/java/pl/materus/ghrepo/model/GitHubBranchCommitModel.java
new file mode 100644
index 0000000..dce44a5
--- /dev/null
+++ b/src/main/java/pl/materus/ghrepo/model/GitHubBranchCommitModel.java
@@ -0,0 +1,13 @@
+package pl.materus.ghrepo.model;
+
+public class GitHubBranchCommitModel {
+    String sha;
+
+    public String getSha() {
+        return sha;
+    }
+
+    public void setSha(String sha) {
+        this.sha = sha;
+    }
+}
diff --git a/src/main/java/pl/materus/ghrepo/model/GitHubBranchModel.java b/src/main/java/pl/materus/ghrepo/model/GitHubBranchModel.java
new file mode 100644
index 0000000..3a2c27c
--- /dev/null
+++ b/src/main/java/pl/materus/ghrepo/model/GitHubBranchModel.java
@@ -0,0 +1,24 @@
+package pl.materus.ghrepo.model;
+
+
+public class GitHubBranchModel {
+    String name;
+
+    GitHubBranchCommitModel commit;
+
+    public String getName() {
+        return name;
+    }
+
+    public void setName(String name) {
+        this.name = name;
+    }
+
+    public GitHubBranchCommitModel getCommit() {
+        return commit;
+    }
+
+    public void setCommit(GitHubBranchCommitModel commit) {
+        this.commit = commit;
+    }
+}
diff --git a/src/main/java/pl/materus/ghrepo/model/GitHubRepositoryModel.java b/src/main/java/pl/materus/ghrepo/model/GitHubRepositoryModel.java
new file mode 100644
index 0000000..6398c39
--- /dev/null
+++ b/src/main/java/pl/materus/ghrepo/model/GitHubRepositoryModel.java
@@ -0,0 +1,33 @@
+package pl.materus.ghrepo.model;
+
+public class GitHubRepositoryModel {
+    String name;
+
+    GitHubRepositoryOwnerModel owner;
+
+    Boolean fork;
+
+    public String getName() {
+        return name;
+    }
+
+    public void setName(String name) {
+        this.name = name;
+    }
+
+    public GitHubRepositoryOwnerModel getOwner() {
+        return owner;
+    }
+
+    public void setOwner(GitHubRepositoryOwnerModel owner) {
+        this.owner = owner;
+    }
+
+    public Boolean getFork() {
+        return fork;
+    }
+
+    public void setFork(Boolean fork) {
+        this.fork = fork;
+    }
+}
diff --git a/src/main/java/pl/materus/ghrepo/model/GitHubRepositoryOwnerModel.java b/src/main/java/pl/materus/ghrepo/model/GitHubRepositoryOwnerModel.java
new file mode 100644
index 0000000..af9ee62
--- /dev/null
+++ b/src/main/java/pl/materus/ghrepo/model/GitHubRepositoryOwnerModel.java
@@ -0,0 +1,14 @@
+package pl.materus.ghrepo.model;
+
+public class GitHubRepositoryOwnerModel {
+    String login;
+
+    public String getLogin() {
+        return login;
+    }
+
+    public void setLogin(String login) {
+        this.login = login;
+    }
+
+}
diff --git a/src/main/java/pl/materus/ghrepo/model/ResponseBranchModel.java b/src/main/java/pl/materus/ghrepo/model/ResponseBranchModel.java
new file mode 100644
index 0000000..3153400
--- /dev/null
+++ b/src/main/java/pl/materus/ghrepo/model/ResponseBranchModel.java
@@ -0,0 +1,20 @@
+package pl.materus.ghrepo.model;
+
+public class ResponseBranchModel{
+    String name;
+    String sha;
+
+
+    public String getName() {
+        return name;
+    }
+    public void setName(String name) {
+        this.name = name;
+    }
+    public String getSha() {
+        return sha;
+    }
+    public void setSha(String sha) {
+        this.sha = sha;
+    }
+}
diff --git a/src/main/java/pl/materus/ghrepo/model/ResponseErrorModel.java b/src/main/java/pl/materus/ghrepo/model/ResponseErrorModel.java
new file mode 100644
index 0000000..b454bf2
--- /dev/null
+++ b/src/main/java/pl/materus/ghrepo/model/ResponseErrorModel.java
@@ -0,0 +1,22 @@
+package pl.materus.ghrepo.model;
+
+public class ResponseErrorModel{
+    Integer status;
+    String message;
+
+    public Integer getStatus() {
+        return status;
+    }
+
+    public void setStatus(Integer status) {
+        this.status = status;
+    }
+
+    public String getMessage() {
+        return message;
+    }
+
+    public void setMessage(String message) {
+        this.message = message;
+    }
+}
diff --git a/src/main/java/pl/materus/ghrepo/model/ResponseRepositoryModel.java b/src/main/java/pl/materus/ghrepo/model/ResponseRepositoryModel.java
new file mode 100644
index 0000000..3742888
--- /dev/null
+++ b/src/main/java/pl/materus/ghrepo/model/ResponseRepositoryModel.java
@@ -0,0 +1,28 @@
+package pl.materus.ghrepo.model;
+import java.util.List;
+
+public class ResponseRepositoryModel {
+    
+    String name;
+    String owner;
+    List<ResponseBranchModel> branches;
+    
+    public String getName() {
+        return name;
+    }
+    public void setName(String name) {
+        this.name = name;
+    }
+    public String getOwner() {
+        return owner;
+    }
+    public void setOwner(String owner) {
+        this.owner = owner;
+    }
+    public List<ResponseBranchModel> getBranches() {
+        return branches;
+    }
+    public void setBranches(List<ResponseBranchModel> branches) {
+        this.branches = branches;
+    }
+}
diff --git a/src/main/java/pl/materus/ghrepo/service/GitHubService.java b/src/main/java/pl/materus/ghrepo/service/GitHubService.java
new file mode 100644
index 0000000..5bc52ad
--- /dev/null
+++ b/src/main/java/pl/materus/ghrepo/service/GitHubService.java
@@ -0,0 +1,66 @@
+package pl.materus.ghrepo.service;
+
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Service;
+import org.springframework.web.reactive.function.client.WebClient;
+
+import pl.materus.ghrepo.model.GitHubBranchModel;
+import pl.materus.ghrepo.model.GitHubRepositoryModel;
+import pl.materus.ghrepo.model.ResponseBranchModel;
+import pl.materus.ghrepo.model.ResponseRepositoryModel;
+
+import reactor.core.publisher.Flux;
+import reactor.core.publisher.Mono;
+import reactor.core.scheduler.Schedulers;
+
+@Service
+public class GitHubService {
+
+    private final WebClient githubWebClient;
+
+    @Autowired
+    public GitHubService(WebClient githubWebClient) {
+        this.githubWebClient = githubWebClient;
+    }
+
+    public Flux<ResponseRepositoryModel> getUserRepos(String username) {
+        return githubWebClient.get()
+                .uri("/users/{username}/repos", username)
+                .retrieve()
+                .bodyToFlux(GitHubRepositoryModel.class)
+                .filter(repo -> !repo.getFork())
+                .flatMap(this::createResponse)
+                .flatMap(repo -> getRepoBranches(repo.getOwner(), repo.getName())
+                        .collectList()
+                        .map(branches -> {
+                            repo.setBranches(branches);
+                            return repo;
+                        }))
+                .subscribeOn(Schedulers.boundedElastic());
+
+    }
+
+    private Flux<ResponseBranchModel> getRepoBranches(String owner, String repo) {
+        return githubWebClient.get()
+                .uri("/repos/{owner}/{repo}/branches", owner, repo)
+                .retrieve()
+                .bodyToFlux(GitHubBranchModel.class)
+                .flatMap(branch -> createResponseBranch(branch));
+
+    }
+
+    private Mono<ResponseRepositoryModel> createResponse(GitHubRepositoryModel repository) {
+        ResponseRepositoryModel responseRepositoryModel = new ResponseRepositoryModel();
+        responseRepositoryModel.setName(repository.getName());
+        responseRepositoryModel.setOwner(repository.getOwner().getLogin());
+        return Mono.just(responseRepositoryModel);
+    }
+
+    private Mono<ResponseBranchModel> createResponseBranch(GitHubBranchModel branch) {
+        ResponseBranchModel responseBranchModel = new ResponseBranchModel();
+        responseBranchModel.setName(branch.getName());
+        responseBranchModel.setSha(branch.getCommit().getSha());
+        return Mono.just(responseBranchModel);
+    }
+
+}
\ No newline at end of file
diff --git a/src/main/java/pl/materus/ghrepo/util/ResourceReaderUtil.java b/src/main/java/pl/materus/ghrepo/util/ResourceReaderUtil.java
new file mode 100644
index 0000000..55a5947
--- /dev/null
+++ b/src/main/java/pl/materus/ghrepo/util/ResourceReaderUtil.java
@@ -0,0 +1,28 @@
+package pl.materus.ghrepo.util;
+
+import java.io.IOException;
+import java.io.UncheckedIOException;
+import java.io.Reader;
+import java.io.InputStreamReader;
+import java.nio.charset.StandardCharsets;
+
+import org.springframework.core.io.DefaultResourceLoader;
+import org.springframework.core.io.Resource;
+import org.springframework.core.io.ResourceLoader;
+import org.springframework.lang.NonNull;
+import org.springframework.util.FileCopyUtils;
+
+public class ResourceReaderUtil {
+
+    private static ResourceLoader resourceLoader = new DefaultResourceLoader();
+
+    public static String asString(@NonNull String resourcePath) {
+
+        Resource resource = resourceLoader.getResource(resourcePath);
+        try (Reader reader = new InputStreamReader(resource.getInputStream(), StandardCharsets.UTF_8)) {
+            return FileCopyUtils.copyToString(reader);
+        } catch (IOException e) {
+            throw new UncheckedIOException(e);
+        }
+    }
+}
diff --git a/src/main/resources/application.properties b/src/main/resources/application.properties
new file mode 100644
index 0000000..fad7684
--- /dev/null
+++ b/src/main/resources/application.properties
@@ -0,0 +1 @@
+github-url=https://api.github.com
diff --git a/src/test/java/pl/materus/ghrepo/GhrepoApplicationTests.java b/src/test/java/pl/materus/ghrepo/GhrepoApplicationTests.java
new file mode 100644
index 0000000..1862bac
--- /dev/null
+++ b/src/test/java/pl/materus/ghrepo/GhrepoApplicationTests.java
@@ -0,0 +1,13 @@
+package pl.materus.ghrepo;
+
+import org.junit.jupiter.api.Test;
+import org.springframework.boot.test.context.SpringBootTest;
+
+@SpringBootTest
+class GhrepoApplicationTests {
+
+	@Test
+	void contextLoads() {
+	}
+
+}
diff --git a/src/test/java/pl/materus/ghrepo/controller/GitHubControllerTest.java b/src/test/java/pl/materus/ghrepo/controller/GitHubControllerTest.java
new file mode 100644
index 0000000..393c094
--- /dev/null
+++ b/src/test/java/pl/materus/ghrepo/controller/GitHubControllerTest.java
@@ -0,0 +1,88 @@
+package pl.materus.ghrepo.controller;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertNotNull;
+import static org.junit.jupiter.api.Assertions.assertThrows;
+
+import org.junit.jupiter.api.Test;
+import org.junit.jupiter.api.extension.RegisterExtension;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.test.context.SpringBootTest;
+import org.springframework.http.HttpHeaders;
+import org.springframework.http.MediaType;
+import org.springframework.test.context.TestPropertySource;
+import org.springframework.web.reactive.function.client.WebClientResponseException;
+
+import com.github.tomakehurst.wiremock.client.WireMock;
+import com.github.tomakehurst.wiremock.core.WireMockConfiguration;
+import com.github.tomakehurst.wiremock.junit5.WireMockExtension;
+
+import pl.materus.ghrepo.exception.WrongHeaderException;
+import pl.materus.ghrepo.util.ResourceReaderUtil;
+
+@SpringBootTest
+@TestPropertySource(properties = "github-url=http://127.0.0.1:9123")
+public class GitHubControllerTest {
+    @Autowired
+    GitHubController githubController;
+
+    @RegisterExtension
+    private static WireMockExtension wireMockExtension = WireMockExtension.newInstance()
+            .options(WireMockConfiguration.wireMockConfig().port(9123).bindAddress("127.0.0.1"))
+            .build();
+
+    @SuppressWarnings("null")
+    @Test
+    void testNotFound() {
+        wireMockExtension.stubFor(WireMock.get(WireMock.urlPathEqualTo("/users/notFound/repos"))
+                .willReturn(WireMock.aResponse()
+                        .withHeader(HttpHeaders.CONTENT_TYPE, MediaType.APPLICATION_JSON_VALUE)
+                        .withStatus(404)
+                        .withBody(ResourceReaderUtil.asString("classpath:jsonAnswers/notFound.json"))));
+
+        WebClientResponseException e = assertThrows(WebClientResponseException.class, () -> {
+            var body = githubController.getUserRepos("application/json", "notFound").getBody();
+            if (body != null)
+                body.collectList().block();
+        });
+        assertEquals(e.getStatusCode().value(), 404);
+
+        var response = githubController.handleResponseException(e);
+        assertNotNull(response.getBody());
+        assertEquals(404, response.getBody().getStatus());
+        assertEquals("User not found", response.getBody().getMessage());
+    }
+
+    @SuppressWarnings("null")
+    @Test
+    void testNoHeader() {
+        WrongHeaderException e = assertThrows(WrongHeaderException.class,
+                () -> githubController.getUserRepos("", "shouldThrow"));
+
+        var response = githubController.handleResponseException(e);
+        assertNotNull(response.getBody());
+        assertEquals(400, response.getBody().getStatus());
+        assertEquals("Request does not contain the 'application/json' header.", response.getBody().getMessage());
+    }
+
+    @SuppressWarnings("null")
+    @Test
+    void testApiLimits() {
+        wireMockExtension.stubFor(WireMock.get(WireMock.urlPathEqualTo("/users/forbidden/repos"))
+                .willReturn(WireMock.aResponse()
+                        .withHeader(HttpHeaders.CONTENT_TYPE, MediaType.APPLICATION_JSON_VALUE)
+                        .withStatus(403)
+                        .withBody(ResourceReaderUtil.asString("classpath:jsonAnswers/rateLimit.json"))));
+        WebClientResponseException e = assertThrows(WebClientResponseException.class,
+                () -> {
+                    var body = githubController.getUserRepos("application/json", "forbidden").getBody();
+                    if (body != null)
+                        body.collectList().block();
+                });
+
+        var response = githubController.handleResponseException(e);
+        assertNotNull(response.getBody());
+        assertEquals(403, response.getBody().getStatus());
+        assertEquals("Github API limit", response.getBody().getMessage());
+    }
+}
diff --git a/src/test/java/pl/materus/ghrepo/service/GitHubServiceTest.java b/src/test/java/pl/materus/ghrepo/service/GitHubServiceTest.java
new file mode 100644
index 0000000..ece6f9c
--- /dev/null
+++ b/src/test/java/pl/materus/ghrepo/service/GitHubServiceTest.java
@@ -0,0 +1,138 @@
+package pl.materus.ghrepo.service;
+
+import pl.materus.ghrepo.util.ResourceReaderUtil;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertThrows;
+
+import org.junit.jupiter.api.Test;
+import org.junit.jupiter.api.extension.RegisterExtension;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.test.context.SpringBootTest;
+import org.springframework.http.HttpHeaders;
+import org.springframework.http.MediaType;
+import org.springframework.test.context.TestPropertySource;
+import org.springframework.web.reactive.function.client.WebClientResponseException;
+
+import com.github.tomakehurst.wiremock.client.WireMock;
+import com.github.tomakehurst.wiremock.core.WireMockConfiguration;
+import com.github.tomakehurst.wiremock.junit5.WireMockExtension;
+
+@SpringBootTest
+@TestPropertySource(properties = "github-url=http://127.0.0.1:9123")
+public class GitHubServiceTest {
+
+    @Autowired
+    GitHubService gitHubService;
+
+    @RegisterExtension
+    private static WireMockExtension wireMockExtension = WireMockExtension.newInstance()
+            .options(WireMockConfiguration.wireMockConfig().port(9123).bindAddress("127.0.0.1"))
+            .build();
+
+    private void prepareRealUser() {
+
+        wireMockExtension.stubFor(WireMock.get(WireMock.urlPathEqualTo("/users/materusPL/repos"))
+                .willReturn(WireMock.aResponse()
+                        .withHeader(HttpHeaders.CONTENT_TYPE, MediaType.APPLICATION_JSON_VALUE)
+                        .withStatus(200)
+                        .withBody(ResourceReaderUtil.asString("classpath:jsonAnswers/RealUser.json"))));
+
+        wireMockExtension.stubFor(WireMock.get(WireMock.urlPathEqualTo("/repos/materusPL/materusPL/branches"))
+                .willReturn(WireMock.aResponse()
+                        .withHeader(HttpHeaders.CONTENT_TYPE, MediaType.APPLICATION_JSON_VALUE)
+                        .withStatus(200)
+                        .withBody(ResourceReaderUtil.asString("classpath:jsonAnswers/RealBranch1.json"))));
+        wireMockExtension.stubFor(WireMock.get(WireMock.urlPathEqualTo("/repos/materusPL/Nixerus/branches"))
+                .willReturn(WireMock.aResponse()
+                        .withHeader(HttpHeaders.CONTENT_TYPE, MediaType.APPLICATION_JSON_VALUE)
+                        .withStatus(200)
+                        .withBody(ResourceReaderUtil.asString("classpath:jsonAnswers/RealBranch2.json"))));
+
+        wireMockExtension.stubFor(WireMock.get(WireMock.urlPathEqualTo("/repos/materusPL/nixos-config/branches"))
+                .willReturn(WireMock.aResponse()
+                        .withHeader(HttpHeaders.CONTENT_TYPE, MediaType.APPLICATION_JSON_VALUE)
+                        .withStatus(200)
+                        .withBody(ResourceReaderUtil.asString("classpath:jsonAnswers/RealBranch3.json"))));
+
+        wireMockExtension.stubFor(WireMock.get(WireMock.urlPathEqualTo("/repos/materusPL/nixpkgs/branches"))
+                .willReturn(WireMock.aResponse()
+                        .withHeader(HttpHeaders.CONTENT_TYPE, MediaType.APPLICATION_JSON_VALUE)
+                        .withStatus(200)
+                        .withBody(ResourceReaderUtil.asString("classpath:jsonAnswers/RealBranch4.json"))));
+
+        wireMockExtension.stubFor(WireMock.get(WireMock.urlPathEqualTo("/repos/materusPL/SNOL/branches"))
+                .willReturn(WireMock.aResponse()
+                        .withHeader(HttpHeaders.CONTENT_TYPE, MediaType.APPLICATION_JSON_VALUE)
+                        .withStatus(200)
+                        .withBody(ResourceReaderUtil.asString("classpath:jsonAnswers/RealBranch5.json"))));
+    }
+
+    @Test
+    public void testRealUser() {
+        prepareRealUser();
+
+        var response = gitHubService.getUserRepos("materusPL").collectList().block();
+        response.sort((repo1, repo2) -> {
+            return repo1.getName().compareTo(repo2.getName());
+        });
+
+        assertEquals("Nixerus", response.get(0).getName());
+        assertEquals("SNOL", response.get(1).getName());
+        assertEquals("materusPL", response.get(2).getName());
+        assertEquals("nixos-config", response.get(3).getName());
+
+        String owner = "materusPL";
+
+        assertEquals(owner, response.get(0).getOwner());
+        assertEquals(owner, response.get(1).getOwner());
+        assertEquals(owner, response.get(2).getOwner());
+        assertEquals(owner, response.get(3).getOwner());
+
+        assertEquals("master", response.get(2).getBranches().get(0).getName());
+        assertEquals("fd6867d8963147ba40d3df428045aec82f14dbe3", response.get(2).getBranches().get(0).getSha());
+
+        assertEquals(3, response.get(0).getBranches().size());
+        assertEquals(2, response.get(3).getBranches().size());
+        assertEquals(1, response.get(2).getBranches().size());
+
+    }
+
+    @Test
+    public void testUserWithoutRepositories() {
+        wireMockExtension.stubFor(WireMock.get(WireMock.urlPathEqualTo("/users/empty/repos"))
+                .willReturn(WireMock.aResponse()
+                        .withHeader(HttpHeaders.CONTENT_TYPE, MediaType.APPLICATION_JSON_VALUE)
+                        .withStatus(200)
+                        .withBody("[]")));
+
+        var response = gitHubService.getUserRepos("empty").collectList().block();
+        assertEquals(0, response.size());
+    }
+
+    @Test
+    public void testForkOnly() {
+        wireMockExtension.stubFor(WireMock.get(WireMock.urlPathEqualTo("/users/fork/repos"))
+                .willReturn(WireMock.aResponse()
+                        .withHeader(HttpHeaders.CONTENT_TYPE, MediaType.APPLICATION_JSON_VALUE)
+                        .withStatus(200)
+                        .withBody(ResourceReaderUtil.asString("classpath:jsonAnswers/forkOnly.json"))));
+
+        var response = gitHubService.getUserRepos("fork").collectList().block();
+        assertEquals(0, response.size());
+    }
+
+    @Test
+    public void testNotFound() {
+        wireMockExtension.stubFor(WireMock.get(WireMock.urlPathEqualTo("/users/notFound/repos"))
+                .willReturn(WireMock.aResponse()
+                        .withHeader(HttpHeaders.CONTENT_TYPE, MediaType.APPLICATION_JSON_VALUE)
+                        .withStatus(404)
+                        .withBody(ResourceReaderUtil.asString("classpath:jsonAnswers/notFound.json"))));
+
+        WebClientResponseException e = assertThrows(WebClientResponseException.class, () -> {
+            gitHubService.getUserRepos("notFound").collectList().block();
+        });
+        assertEquals(404, e.getStatusCode().value());
+    }
+}
diff --git a/src/test/resources/jsonAnswers/RealBranch1.json b/src/test/resources/jsonAnswers/RealBranch1.json
new file mode 100644
index 0000000..f9137d1
--- /dev/null
+++ b/src/test/resources/jsonAnswers/RealBranch1.json
@@ -0,0 +1,10 @@
+[
+    {
+        "name": "master",
+        "commit": {
+            "sha": "fd6867d8963147ba40d3df428045aec82f14dbe3",
+            "url": "https://api.github.com/repos/materusPL/materusPL/commits/fd6867d8963147ba40d3df428045aec82f14dbe3"
+        },
+        "protected": false
+    }
+]
\ No newline at end of file
diff --git a/src/test/resources/jsonAnswers/RealBranch2.json b/src/test/resources/jsonAnswers/RealBranch2.json
new file mode 100644
index 0000000..554c8a2
--- /dev/null
+++ b/src/test/resources/jsonAnswers/RealBranch2.json
@@ -0,0 +1,26 @@
+[
+    {
+        "name": "master",
+        "commit": {
+            "sha": "1d1741acebdc274af4795f4ca0faf88830a2a010",
+            "url": "https://api.github.com/repos/materusPL/Nixerus/commits/1d1741acebdc274af4795f4ca0faf88830a2a010"
+        },
+        "protected": false
+    },
+    {
+        "name": "mock",
+        "commit": {
+            "sha": "f07f3e99a7cd8680dd6bb082108a67830857e542",
+            "url": "https://api.github.com/repos/materusPL/Nixerus/commits/f07f3e99a7cd8680dd6bb082108a67830857e542"
+        },
+        "protected": false
+    },
+    {
+        "name": "testing",
+        "commit": {
+            "sha": "b27a11bb37445c941cb5ad610292358a5d184773",
+            "url": "https://api.github.com/repos/materusPL/Nixerus/commits/b27a11bb37445c941cb5ad610292358a5d184773"
+        },
+        "protected": false
+    }
+]
\ No newline at end of file
diff --git a/src/test/resources/jsonAnswers/RealBranch3.json b/src/test/resources/jsonAnswers/RealBranch3.json
new file mode 100644
index 0000000..21b0f0d
--- /dev/null
+++ b/src/test/resources/jsonAnswers/RealBranch3.json
@@ -0,0 +1,18 @@
+[
+    {
+        "name": "inputs",
+        "commit": {
+            "sha": "06a35210af4b8586a2b3d64815a67e3516ce732a",
+            "url": "https://api.github.com/repos/materusPL/nixos-config/commits/06a35210af4b8586a2b3d64815a67e3516ce732a"
+        },
+        "protected": false
+    },
+    {
+        "name": "master",
+        "commit": {
+            "sha": "59e69924bb18acd396a15bb166743c037d4df756",
+            "url": "https://api.github.com/repos/materusPL/nixos-config/commits/59e69924bb18acd396a15bb166743c037d4df756"
+        },
+        "protected": false
+    }
+]
\ No newline at end of file
diff --git a/src/test/resources/jsonAnswers/RealBranch4.json b/src/test/resources/jsonAnswers/RealBranch4.json
new file mode 100644
index 0000000..5e2d565
--- /dev/null
+++ b/src/test/resources/jsonAnswers/RealBranch4.json
@@ -0,0 +1,26 @@
+[
+    {
+        "name": "master",
+        "commit": {
+            "sha": "ed5534ceb6bc94b7bcf00c16a3763f187973343e",
+            "url": "https://api.github.com/repos/materusPL/nixpkgs/commits/ed5534ceb6bc94b7bcf00c16a3763f187973343e"
+        },
+        "protected": true
+    },
+    {
+        "name": "materus/obs30",
+        "commit": {
+            "sha": "3e3ae27606269b783d873b2bf93aeb66c4f5f92d",
+            "url": "https://api.github.com/repos/materusPL/nixpkgs/commits/3e3ae27606269b783d873b2bf93aeb66c4f5f92d"
+        },
+        "protected": false
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+        "collaborators_url": "https://api.github.com/repos/materusPL/nixpkgs/collaborators{/collaborator}",
+        "teams_url": "https://api.github.com/repos/materusPL/nixpkgs/teams",
+        "hooks_url": "https://api.github.com/repos/materusPL/nixpkgs/hooks",
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+        "branches_url": "https://api.github.com/repos/materusPL/nixpkgs/branches{/branch}",
+        "tags_url": "https://api.github.com/repos/materusPL/nixpkgs/tags",
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+        "git_refs_url": "https://api.github.com/repos/materusPL/nixpkgs/git/refs{/sha}",
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+        "languages_url": "https://api.github.com/repos/materusPL/nixpkgs/languages",
+        "stargazers_url": "https://api.github.com/repos/materusPL/nixpkgs/stargazers",
+        "contributors_url": "https://api.github.com/repos/materusPL/nixpkgs/contributors",
+        "subscribers_url": "https://api.github.com/repos/materusPL/nixpkgs/subscribers",
+        "subscription_url": "https://api.github.com/repos/materusPL/nixpkgs/subscription",
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+        "issue_comment_url": "https://api.github.com/repos/materusPL/nixpkgs/issues/comments{/number}",
+        "contents_url": "https://api.github.com/repos/materusPL/nixpkgs/contents/{+path}",
+        "compare_url": "https://api.github.com/repos/materusPL/nixpkgs/compare/{base}...{head}",
+        "merges_url": "https://api.github.com/repos/materusPL/nixpkgs/merges",
+        "archive_url": "https://api.github.com/repos/materusPL/nixpkgs/{archive_format}{/ref}",
+        "downloads_url": "https://api.github.com/repos/materusPL/nixpkgs/downloads",
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+        "pulls_url": "https://api.github.com/repos/materusPL/nixpkgs/pulls{/number}",
+        "milestones_url": "https://api.github.com/repos/materusPL/nixpkgs/milestones{/number}",
+        "notifications_url": "https://api.github.com/repos/materusPL/nixpkgs/notifications{?since,all,participating}",
+        "labels_url": "https://api.github.com/repos/materusPL/nixpkgs/labels{/name}",
+        "releases_url": "https://api.github.com/repos/materusPL/nixpkgs/releases{/id}",
+        "deployments_url": "https://api.github.com/repos/materusPL/nixpkgs/deployments",
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+        "updated_at": "2023-05-02T12:45:06Z",
+        "pushed_at": "2023-11-21T18:01:10Z",
+        "git_url": "git://github.com/materusPL/nixpkgs.git",
+        "ssh_url": "git@github.com:materusPL/nixpkgs.git",
+        "clone_url": "https://github.com/materusPL/nixpkgs.git",
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+        "owner": {
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+            "node_id": "MDQ6VXNlcjI4MTgzNTE2",
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+            "gravatar_id": "",
+            "url": "https://api.github.com/users/materusPL",
+            "html_url": "https://github.com/materusPL",
+            "followers_url": "https://api.github.com/users/materusPL/followers",
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+            "gists_url": "https://api.github.com/users/materusPL/gists{/gist_id}",
+            "starred_url": "https://api.github.com/users/materusPL/starred{/owner}{/repo}",
+            "subscriptions_url": "https://api.github.com/users/materusPL/subscriptions",
+            "organizations_url": "https://api.github.com/users/materusPL/orgs",
+            "repos_url": "https://api.github.com/users/materusPL/repos",
+            "events_url": "https://api.github.com/users/materusPL/events{/privacy}",
+            "received_events_url": "https://api.github.com/users/materusPL/received_events",
+            "type": "User",
+            "site_admin": false
+        },
+        "html_url": "https://github.com/materusPL/SNOL",
+        "description": null,
+        "fork": false,
+        "url": "https://api.github.com/repos/materusPL/SNOL",
+        "forks_url": "https://api.github.com/repos/materusPL/SNOL/forks",
+        "keys_url": "https://api.github.com/repos/materusPL/SNOL/keys{/key_id}",
+        "collaborators_url": "https://api.github.com/repos/materusPL/SNOL/collaborators{/collaborator}",
+        "teams_url": "https://api.github.com/repos/materusPL/SNOL/teams",
+        "hooks_url": "https://api.github.com/repos/materusPL/SNOL/hooks",
+        "issue_events_url": "https://api.github.com/repos/materusPL/SNOL/issues/events{/number}",
+        "events_url": "https://api.github.com/repos/materusPL/SNOL/events",
+        "assignees_url": "https://api.github.com/repos/materusPL/SNOL/assignees{/user}",
+        "branches_url": "https://api.github.com/repos/materusPL/SNOL/branches{/branch}",
+        "tags_url": "https://api.github.com/repos/materusPL/SNOL/tags",
+        "blobs_url": "https://api.github.com/repos/materusPL/SNOL/git/blobs{/sha}",
+        "git_tags_url": "https://api.github.com/repos/materusPL/SNOL/git/tags{/sha}",
+        "git_refs_url": "https://api.github.com/repos/materusPL/SNOL/git/refs{/sha}",
+        "trees_url": "https://api.github.com/repos/materusPL/SNOL/git/trees{/sha}",
+        "statuses_url": "https://api.github.com/repos/materusPL/SNOL/statuses/{sha}",
+        "languages_url": "https://api.github.com/repos/materusPL/SNOL/languages",
+        "stargazers_url": "https://api.github.com/repos/materusPL/SNOL/stargazers",
+        "contributors_url": "https://api.github.com/repos/materusPL/SNOL/contributors",
+        "subscribers_url": "https://api.github.com/repos/materusPL/SNOL/subscribers",
+        "subscription_url": "https://api.github.com/repos/materusPL/SNOL/subscription",
+        "commits_url": "https://api.github.com/repos/materusPL/SNOL/commits{/sha}",
+        "git_commits_url": "https://api.github.com/repos/materusPL/SNOL/git/commits{/sha}",
+        "comments_url": "https://api.github.com/repos/materusPL/SNOL/comments{/number}",
+        "issue_comment_url": "https://api.github.com/repos/materusPL/SNOL/issues/comments{/number}",
+        "contents_url": "https://api.github.com/repos/materusPL/SNOL/contents/{+path}",
+        "compare_url": "https://api.github.com/repos/materusPL/SNOL/compare/{base}...{head}",
+        "merges_url": "https://api.github.com/repos/materusPL/SNOL/merges",
+        "archive_url": "https://api.github.com/repos/materusPL/SNOL/{archive_format}{/ref}",
+        "downloads_url": "https://api.github.com/repos/materusPL/SNOL/downloads",
+        "issues_url": "https://api.github.com/repos/materusPL/SNOL/issues{/number}",
+        "pulls_url": "https://api.github.com/repos/materusPL/SNOL/pulls{/number}",
+        "milestones_url": "https://api.github.com/repos/materusPL/SNOL/milestones{/number}",
+        "notifications_url": "https://api.github.com/repos/materusPL/SNOL/notifications{?since,all,participating}",
+        "labels_url": "https://api.github.com/repos/materusPL/SNOL/labels{/name}",
+        "releases_url": "https://api.github.com/repos/materusPL/SNOL/releases{/id}",
+        "deployments_url": "https://api.github.com/repos/materusPL/SNOL/deployments",
+        "created_at": "2022-07-29T11:31:22Z",
+        "updated_at": "2023-01-27T22:41:37Z",
+        "pushed_at": "2022-07-29T11:31:39Z",
+        "git_url": "git://github.com/materusPL/SNOL.git",
+        "ssh_url": "git@github.com:materusPL/SNOL.git",
+        "clone_url": "https://github.com/materusPL/SNOL.git",
+        "svn_url": "https://github.com/materusPL/SNOL",
+        "homepage": null,
+        "size": 13,
+        "stargazers_count": 0,
+        "watchers_count": 0,
+        "language": "D",
+        "has_issues": true,
+        "has_projects": true,
+        "has_downloads": true,
+        "has_wiki": true,
+        "has_pages": false,
+        "has_discussions": false,
+        "forks_count": 0,
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+        "archived": true,
+        "disabled": false,
+        "open_issues_count": 0,
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+        "allow_forking": true,
+        "is_template": false,
+        "web_commit_signoff_required": false,
+        "topics": [],
+        "visibility": "public",
+        "forks": 0,
+        "open_issues": 0,
+        "watchers": 0,
+        "default_branch": "master"
+    }
+]
\ No newline at end of file
diff --git a/src/test/resources/jsonAnswers/forkOnly.json b/src/test/resources/jsonAnswers/forkOnly.json
new file mode 100644
index 0000000..156c2bd
--- /dev/null
+++ b/src/test/resources/jsonAnswers/forkOnly.json
@@ -0,0 +1,108 @@
+[
+    {
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+        "node_id": "R_kgDOJd4iEg",
+        "name": "nixpkgs",
+        "full_name": "materusPL/nixpkgs",
+        "private": false,
+        "owner": {
+            "login": "materusPL",
+            "id": 28183516,
+            "node_id": "MDQ6VXNlcjI4MTgzNTE2",
+            "avatar_url": "https://avatars.githubusercontent.com/u/28183516?v=4",
+            "gravatar_id": "",
+            "url": "https://api.github.com/users/materusPL",
+            "html_url": "https://github.com/materusPL",
+            "followers_url": "https://api.github.com/users/materusPL/followers",
+            "following_url": "https://api.github.com/users/materusPL/following{/other_user}",
+            "gists_url": "https://api.github.com/users/materusPL/gists{/gist_id}",
+            "starred_url": "https://api.github.com/users/materusPL/starred{/owner}{/repo}",
+            "subscriptions_url": "https://api.github.com/users/materusPL/subscriptions",
+            "organizations_url": "https://api.github.com/users/materusPL/orgs",
+            "repos_url": "https://api.github.com/users/materusPL/repos",
+            "events_url": "https://api.github.com/users/materusPL/events{/privacy}",
+            "received_events_url": "https://api.github.com/users/materusPL/received_events",
+            "type": "User",
+            "site_admin": false
+        },
+        "html_url": "https://github.com/materusPL/nixpkgs",
+        "description": "Nix Packages collection",
+        "fork": true,
+        "url": "https://api.github.com/repos/materusPL/nixpkgs",
+        "forks_url": "https://api.github.com/repos/materusPL/nixpkgs/forks",
+        "keys_url": "https://api.github.com/repos/materusPL/nixpkgs/keys{/key_id}",
+        "collaborators_url": "https://api.github.com/repos/materusPL/nixpkgs/collaborators{/collaborator}",
+        "teams_url": "https://api.github.com/repos/materusPL/nixpkgs/teams",
+        "hooks_url": "https://api.github.com/repos/materusPL/nixpkgs/hooks",
+        "issue_events_url": "https://api.github.com/repos/materusPL/nixpkgs/issues/events{/number}",
+        "events_url": "https://api.github.com/repos/materusPL/nixpkgs/events",
+        "assignees_url": "https://api.github.com/repos/materusPL/nixpkgs/assignees{/user}",
+        "branches_url": "https://api.github.com/repos/materusPL/nixpkgs/branches{/branch}",
+        "tags_url": "https://api.github.com/repos/materusPL/nixpkgs/tags",
+        "blobs_url": "https://api.github.com/repos/materusPL/nixpkgs/git/blobs{/sha}",
+        "git_tags_url": "https://api.github.com/repos/materusPL/nixpkgs/git/tags{/sha}",
+        "git_refs_url": "https://api.github.com/repos/materusPL/nixpkgs/git/refs{/sha}",
+        "trees_url": "https://api.github.com/repos/materusPL/nixpkgs/git/trees{/sha}",
+        "statuses_url": "https://api.github.com/repos/materusPL/nixpkgs/statuses/{sha}",
+        "languages_url": "https://api.github.com/repos/materusPL/nixpkgs/languages",
+        "stargazers_url": "https://api.github.com/repos/materusPL/nixpkgs/stargazers",
+        "contributors_url": "https://api.github.com/repos/materusPL/nixpkgs/contributors",
+        "subscribers_url": "https://api.github.com/repos/materusPL/nixpkgs/subscribers",
+        "subscription_url": "https://api.github.com/repos/materusPL/nixpkgs/subscription",
+        "commits_url": "https://api.github.com/repos/materusPL/nixpkgs/commits{/sha}",
+        "git_commits_url": "https://api.github.com/repos/materusPL/nixpkgs/git/commits{/sha}",
+        "comments_url": "https://api.github.com/repos/materusPL/nixpkgs/comments{/number}",
+        "issue_comment_url": "https://api.github.com/repos/materusPL/nixpkgs/issues/comments{/number}",
+        "contents_url": "https://api.github.com/repos/materusPL/nixpkgs/contents/{+path}",
+        "compare_url": "https://api.github.com/repos/materusPL/nixpkgs/compare/{base}...{head}",
+        "merges_url": "https://api.github.com/repos/materusPL/nixpkgs/merges",
+        "archive_url": "https://api.github.com/repos/materusPL/nixpkgs/{archive_format}{/ref}",
+        "downloads_url": "https://api.github.com/repos/materusPL/nixpkgs/downloads",
+        "issues_url": "https://api.github.com/repos/materusPL/nixpkgs/issues{/number}",
+        "pulls_url": "https://api.github.com/repos/materusPL/nixpkgs/pulls{/number}",
+        "milestones_url": "https://api.github.com/repos/materusPL/nixpkgs/milestones{/number}",
+        "notifications_url": "https://api.github.com/repos/materusPL/nixpkgs/notifications{?since,all,participating}",
+        "labels_url": "https://api.github.com/repos/materusPL/nixpkgs/labels{/name}",
+        "releases_url": "https://api.github.com/repos/materusPL/nixpkgs/releases{/id}",
+        "deployments_url": "https://api.github.com/repos/materusPL/nixpkgs/deployments",
+        "created_at": "2023-05-02T12:38:22Z",
+        "updated_at": "2023-05-02T12:45:06Z",
+        "pushed_at": "2023-11-21T18:01:10Z",
+        "git_url": "git://github.com/materusPL/nixpkgs.git",
+        "ssh_url": "git@github.com:materusPL/nixpkgs.git",
+        "clone_url": "https://github.com/materusPL/nixpkgs.git",
+        "svn_url": "https://github.com/materusPL/nixpkgs",
+        "homepage": "",
+        "size": 3633849,
+        "stargazers_count": 0,
+        "watchers_count": 0,
+        "language": "Nix",
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+        "has_projects": true,
+        "has_downloads": true,
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+        "has_discussions": false,
+        "forks_count": 0,
+        "mirror_url": null,
+        "archived": false,
+        "disabled": false,
+        "open_issues_count": 0,
+        "license": {
+            "key": "mit",
+            "name": "MIT License",
+            "spdx_id": "MIT",
+            "url": "https://api.github.com/licenses/mit",
+            "node_id": "MDc6TGljZW5zZTEz"
+        },
+        "allow_forking": true,
+        "is_template": false,
+        "web_commit_signoff_required": false,
+        "topics": [],
+        "visibility": "public",
+        "forks": 0,
+        "open_issues": 0,
+        "watchers": 0,
+        "default_branch": "master"
+    }
+]
\ No newline at end of file
diff --git a/src/test/resources/jsonAnswers/notFound.json b/src/test/resources/jsonAnswers/notFound.json
new file mode 100644
index 0000000..4391647
--- /dev/null
+++ b/src/test/resources/jsonAnswers/notFound.json
@@ -0,0 +1,4 @@
+{
+    "message": "Not Found",
+    "documentation_url": "https://docs.github.com/rest/repos/repos#list-repositories-for-a-user"
+}
\ No newline at end of file
diff --git a/src/test/resources/jsonAnswers/rateLimit.json b/src/test/resources/jsonAnswers/rateLimit.json
new file mode 100644
index 0000000..ffb3dd1
--- /dev/null
+++ b/src/test/resources/jsonAnswers/rateLimit.json
@@ -0,0 +1 @@
+{"message":"API rate limit exceeded for 0.0.0.0. (But here's the good news: Authenticated requests get a higher rate limit. Check out the documentation for more details.)","documentation_url":"https://docs.github.com/rest/overview/resources-in-the-rest-api#rate-limiting"}
\ No newline at end of file