diff --git a/.gitignore b/.gitignore new file mode 100644 index 00000000..c2065bc2 --- /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/build.gradle b/build.gradle new file mode 100644 index 00000000..4c4e12ff --- /dev/null +++ b/build.gradle @@ -0,0 +1,40 @@ +plugins { + id 'java' + id 'org.springframework.boot' version '3.1.4' + id 'io.spring.dependency-management' version '1.1.3' +} + +group = 'kr.co.programmers' +version = '0.0.1-SNAPSHOT' + +java { + sourceCompatibility = '17' +} + +configurations { + compileOnly { + extendsFrom annotationProcessor + } +} + +repositories { + mavenCentral() +} + +dependencies { + implementation 'org.springframework.boot:spring-boot-starter-data-jdbc' + implementation 'org.springframework.boot:spring-boot-starter-data-jpa' + implementation 'org.springframework.boot:spring-boot-starter-validation' + implementation 'org.springframework.boot:spring-boot-starter-jdbc' + implementation 'org.springframework.boot:spring-boot-starter-thymeleaf' + implementation 'org.springframework.boot:spring-boot-starter-web' + compileOnly 'org.projectlombok:lombok' + runtimeOnly 'com.mysql:mysql-connector-j' + runtimeOnly 'com.h2database:h2' + annotationProcessor 'org.projectlombok:lombok' + testImplementation 'org.springframework.boot:spring-boot-starter-test' +} + +tasks.named('test') { + useJUnitPlatform() +} diff --git a/gradle/wrapper/gradle-wrapper.jar b/gradle/wrapper/gradle-wrapper.jar new file mode 100644 index 00000000..033e24c4 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 00000000..9f4197d5 --- /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-8.2.1-bin.zip +networkTimeout=10000 +validateDistributionUrl=true +zipStoreBase=GRADLE_USER_HOME +zipStorePath=wrapper/dists diff --git a/gradlew b/gradlew new file mode 100644 index 00000000..fcb6fca1 --- /dev/null +++ b/gradlew @@ -0,0 +1,248 @@ +#!/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=${0##*/} +APP_HOME=$( cd "${APP_HOME:-./}" && pwd -P ) || exit + +# Use the maximum available, or set MAX_FD != -1 to use that value. +MAX_FD=maximum + +warn () { + echo "$*" +} >&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 $MAX_FD in #( + max*) + # In POSIX sh, ulimit -H is undefined. That's why the result is checked to see if it worked. + # shellcheck disable=SC3045 + MAX_FD=$( ulimit -H -n ) || + warn "Could not query maximum file descriptor limit" + esac + case $MAX_FD in #( + '' | soft) :;; #( + *) + # In POSIX sh, ulimit -n is undefined. That's why the result is checked to see if it worked. + # shellcheck disable=SC3045 + ulimit -n "$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, and $GRADLE_OPTS can contain fragments of +# shell script including quotes and variable substitutions, so put them in +# double quotes to make sure that they get re-expanded; and +# * put everything else in single quotes, so that it's not re-expanded. + +set -- \ + "-Dorg.gradle.appname=$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 00000000..93e3f59f --- /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 00000000..a952f035 --- /dev/null +++ b/settings.gradle @@ -0,0 +1 @@ +rootProject.name = 'shortcut' diff --git a/src/main/java/kr/co/programmers/shortcut/ShortcutApplication.java b/src/main/java/kr/co/programmers/shortcut/ShortcutApplication.java new file mode 100644 index 00000000..42a1218b --- /dev/null +++ b/src/main/java/kr/co/programmers/shortcut/ShortcutApplication.java @@ -0,0 +1,13 @@ +package kr.co.programmers.shortcut; + +import org.springframework.boot.SpringApplication; +import org.springframework.boot.autoconfigure.SpringBootApplication; + +@SpringBootApplication +public class ShortcutApplication { + + public static void main(String[] args) { + SpringApplication.run(ShortcutApplication.class, args); + } + +} diff --git a/src/main/java/kr/co/programmers/shortcut/api/ShortCutMainController.java b/src/main/java/kr/co/programmers/shortcut/api/ShortCutMainController.java new file mode 100644 index 00000000..01658671 --- /dev/null +++ b/src/main/java/kr/co/programmers/shortcut/api/ShortCutMainController.java @@ -0,0 +1,45 @@ +package kr.co.programmers.shortcut.api; + +import org.springframework.stereotype.Controller; +import org.springframework.ui.Model; +import org.springframework.validation.annotation.Validated; +import org.springframework.web.bind.annotation.GetMapping; +import org.springframework.web.bind.annotation.ModelAttribute; +import org.springframework.web.bind.annotation.PathVariable; +import org.springframework.web.bind.annotation.PostMapping; +import org.springframework.web.bind.annotation.RequestMapping; +import org.springframework.web.servlet.ModelAndView; + +import kr.co.programmers.shortcut.application.ShortCutService; +import kr.co.programmers.shortcut.dto.ShortCutCreateRequest; +import kr.co.programmers.shortcut.dto.ShortCutResponse; +import lombok.RequiredArgsConstructor; + +@Controller +@RequiredArgsConstructor +@RequestMapping("/shortcut") +public class ShortCutMainController { + + private final ShortCutService shortCutService; + + @GetMapping() + public String showForm(Model model) { + model.addAttribute("shortCutCreateRequest", new ShortCutCreateRequest("input url")); + return "shortcut-form"; + } + + @PostMapping() + public ModelAndView submitForm(@Validated @ModelAttribute ShortCutCreateRequest shortCutCreateRequest) { + ShortCutResponse shortCutResponse = shortCutService.createShortCut(shortCutCreateRequest); + return new ModelAndView("shortcut-result", "shortCut", shortCutResponse); + } + + @GetMapping("/{encodedId}") + public ModelAndView redirectToOriginalURL( + @PathVariable String encodedId + ) { + String originalURL = shortCutService.getOriginalURL(encodedId); + return new ModelAndView("redirect:" + originalURL); + } + +} diff --git a/src/main/java/kr/co/programmers/shortcut/application/Base62.java b/src/main/java/kr/co/programmers/shortcut/application/Base62.java new file mode 100644 index 00000000..2772b371 --- /dev/null +++ b/src/main/java/kr/co/programmers/shortcut/application/Base62.java @@ -0,0 +1,57 @@ +package kr.co.programmers.shortcut.application; + +import org.springframework.stereotype.Component; + +@Component +public class Base62 { + + private final static int LENGTH = 62; + private static final byte[] charSet = { + '0', '1', '2', '3', '4', '5', '6', '7', + '8', '9', 'A', 'B', 'C', 'D', 'E', 'F', + 'G', 'H', 'I', 'J', 'K', 'L', 'M', 'N', + 'O', 'P', 'Q', 'R', 'S', 'T', 'U', 'V', + 'W', 'X', 'Y', 'Z', 'a', 'b', 'c', 'd', + 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', + 'm', 'n', 'o', 'p', 'q', 'r', 's', 't', + 'u', 'v', 'w', 'x', 'y', 'z' + }; + private int[] lookup; + + public Base62() { + createLookupTable(); + } + + public String encodeNumber(long originalNumber) { + StringBuffer encodedNumberBuffer = new StringBuffer(); + while (originalNumber > 0) { + encodedNumberBuffer.append((char)charSet[(int)originalNumber % LENGTH]); + originalNumber = originalNumber / LENGTH; + } + return encodedNumberBuffer.toString(); + } + + public long decodeKey(String targetKey) { + long originalNumber = 0; + long power = 1; + + int beforeIdx, idx; + for (int i = 0; i < targetKey.length(); i++) { + beforeIdx = targetKey.charAt(i); + idx = lookup[beforeIdx]; + originalNumber = originalNumber + idx * power; + power = power * LENGTH; + } + + return originalNumber; + } + + private void createLookupTable() { + lookup = new int[256]; + + for (int i = 0; i < charSet.length; i++) { + int idx = charSet[i]; + lookup[idx] = i; + } + } +} diff --git a/src/main/java/kr/co/programmers/shortcut/application/ShortCutGenerator.java b/src/main/java/kr/co/programmers/shortcut/application/ShortCutGenerator.java new file mode 100644 index 00000000..ce152fe7 --- /dev/null +++ b/src/main/java/kr/co/programmers/shortcut/application/ShortCutGenerator.java @@ -0,0 +1,19 @@ +package kr.co.programmers.shortcut.application; + +import org.springframework.stereotype.Component; + +import jakarta.servlet.http.HttpServletRequest; +import lombok.RequiredArgsConstructor; + +@Component +@RequiredArgsConstructor +public class ShortCutGenerator { + + private final HttpServletRequest request; + + public String generateShortCutURL(String encodeId) { + StringBuffer shortCutURL = request.getRequestURL(); + shortCutURL.append("/" + encodeId); + return shortCutURL.toString(); + } +} diff --git a/src/main/java/kr/co/programmers/shortcut/application/ShortCutService.java b/src/main/java/kr/co/programmers/shortcut/application/ShortCutService.java new file mode 100644 index 00000000..308e3511 --- /dev/null +++ b/src/main/java/kr/co/programmers/shortcut/application/ShortCutService.java @@ -0,0 +1,46 @@ +package kr.co.programmers.shortcut.application; + +import org.springframework.stereotype.Service; +import org.springframework.transaction.annotation.Transactional; + +import kr.co.programmers.shortcut.domain.ShortCut; +import kr.co.programmers.shortcut.domain.ShortCutRepository; +import kr.co.programmers.shortcut.dto.ShortCutCreateRequest; +import kr.co.programmers.shortcut.dto.ShortCutResponse; +import lombok.RequiredArgsConstructor; + +@Service +@RequiredArgsConstructor +@Transactional(readOnly = true) +public class ShortCutService { + + private final ShortCutRepository shortCutRepository; + + private final ShortCutGenerator shortCutGenerator; + + private final Base62 base62; + + @Transactional + public ShortCutResponse createShortCut(ShortCutCreateRequest shortCutCreateRequest) { + String originalURL = shortCutCreateRequest.originalURL(); + ShortCut shortCut = new ShortCut(originalURL); + + ShortCut savedShortCut = shortCutRepository.save(shortCut); + Long savedShortCutId = savedShortCut.getId(); + + String encodeId = base62.encodeNumber(savedShortCutId); + + savedShortCut.updateEncodedId(encodeId); + shortCutRepository.save(savedShortCut); + + String shortCutURL = shortCutGenerator.generateShortCutURL(encodeId); + + return ShortCutResponse.from(savedShortCut, shortCutURL); + } + + public String getOriginalURL(String encodedId) { + Long decodedId = base62.decodeKey(encodedId); + ShortCut findedShortCut = shortCutRepository.getReferenceById(decodedId); + return findedShortCut.getOriginalURL(); + } +} diff --git a/src/main/java/kr/co/programmers/shortcut/domain/ShortCut.java b/src/main/java/kr/co/programmers/shortcut/domain/ShortCut.java new file mode 100644 index 00000000..2642e81a --- /dev/null +++ b/src/main/java/kr/co/programmers/shortcut/domain/ShortCut.java @@ -0,0 +1,46 @@ +package kr.co.programmers.shortcut.domain; + +import jakarta.persistence.Column; +import jakarta.persistence.Entity; +import jakarta.persistence.GeneratedValue; +import jakarta.persistence.Id; +import jakarta.persistence.Table; +import lombok.AccessLevel; +import lombok.Getter; +import lombok.NoArgsConstructor; +import lombok.Setter; + +@Getter +@NoArgsConstructor(access = AccessLevel.PROTECTED) +@Entity +@Setter +@Table(name = "shortcuts") +public class ShortCut { + + @Column(name = "original_url", nullable = false) + String originalURL; + @Column(name = "encoded_id") + String encodedId; + @Id + @GeneratedValue() + @Column(name = "id") + private Long id; + + public ShortCut(String originalURL) { + + if (originalURL == null) { + throw new RuntimeException("originalURL 값이 null 입니다."); + } + + this.originalURL = originalURL; + } + + public void updateEncodedId(String encodedId) { + + if (encodedId == null) { + throw new RuntimeException("encodedId 값이 null 입니다."); + } + + this.encodedId = encodedId; + } +} diff --git a/src/main/java/kr/co/programmers/shortcut/domain/ShortCutRepository.java b/src/main/java/kr/co/programmers/shortcut/domain/ShortCutRepository.java new file mode 100644 index 00000000..897af930 --- /dev/null +++ b/src/main/java/kr/co/programmers/shortcut/domain/ShortCutRepository.java @@ -0,0 +1,6 @@ +package kr.co.programmers.shortcut.domain; + +import org.springframework.data.jpa.repository.JpaRepository; + +public interface ShortCutRepository extends JpaRepository { +} diff --git a/src/main/java/kr/co/programmers/shortcut/dto/ShortCutCreateRequest.java b/src/main/java/kr/co/programmers/shortcut/dto/ShortCutCreateRequest.java new file mode 100644 index 00000000..9320a9c4 --- /dev/null +++ b/src/main/java/kr/co/programmers/shortcut/dto/ShortCutCreateRequest.java @@ -0,0 +1,10 @@ +package kr.co.programmers.shortcut.dto; + +import jakarta.validation.constraints.Size; + +public record ShortCutCreateRequest( + + @Size(min = 10, max = 1000, message = "입력 받을 수 있는 URL은 최소{min}, 최대 {max}글자 입니다.") + String originalURL +) { +} diff --git a/src/main/java/kr/co/programmers/shortcut/dto/ShortCutResponse.java b/src/main/java/kr/co/programmers/shortcut/dto/ShortCutResponse.java new file mode 100644 index 00000000..03da8f9d --- /dev/null +++ b/src/main/java/kr/co/programmers/shortcut/dto/ShortCutResponse.java @@ -0,0 +1,16 @@ +package kr.co.programmers.shortcut.dto; + +import kr.co.programmers.shortcut.domain.ShortCut; + +public record ShortCutResponse( + String originalURL, + String newURL +) { + + public static ShortCutResponse from(ShortCut shortCut, String shortCutURL) { + return new ShortCutResponse( + shortCut.getOriginalURL(), + shortCutURL + ); + } +} diff --git a/src/main/resources/application.properties b/src/main/resources/application.properties new file mode 100644 index 00000000..8b137891 --- /dev/null +++ b/src/main/resources/application.properties @@ -0,0 +1 @@ + diff --git a/src/main/resources/application.yml b/src/main/resources/application.yml new file mode 100644 index 00000000..f7495a21 --- /dev/null +++ b/src/main/resources/application.yml @@ -0,0 +1,19 @@ +spring: + + h2: + console: + enabled: true + + datasource: + url: jdbc:h2:file:./db/localdb;DB_CLOSE_DELAY=-1;DB_CLOSE_ON_EXIT=FALSE;MODE=MYSQL + username: sa + password: + driver-class-name: org.h2.Driver + + jpa: + hibernate: + ddl-auto: update + properties: + hibernate: + format_sql: true + default_batch_fetch_size: 1000 \ No newline at end of file diff --git a/src/main/resources/templates/index.html b/src/main/resources/templates/index.html new file mode 100644 index 00000000..46a1afa7 --- /dev/null +++ b/src/main/resources/templates/index.html @@ -0,0 +1,14 @@ + + + + + Title + + +

shortcut

+shortcut service + + + + + \ No newline at end of file diff --git a/src/main/resources/templates/shortcut-form.html b/src/main/resources/templates/shortcut-form.html new file mode 100644 index 00000000..069cd083 --- /dev/null +++ b/src/main/resources/templates/shortcut-form.html @@ -0,0 +1,13 @@ + + + + 입력 폼 + + +
+ +
+ +
+ + \ No newline at end of file diff --git a/src/main/resources/templates/shortcut-result.html b/src/main/resources/templates/shortcut-result.html new file mode 100644 index 00000000..affc4bd6 --- /dev/null +++ b/src/main/resources/templates/shortcut-result.html @@ -0,0 +1,13 @@ + + + + + Title + + + + + \ No newline at end of file diff --git a/src/test/java/kr/co/programmers/shortcut/ShortcutApplicationTests.java b/src/test/java/kr/co/programmers/shortcut/ShortcutApplicationTests.java new file mode 100644 index 00000000..c8f1a533 --- /dev/null +++ b/src/test/java/kr/co/programmers/shortcut/ShortcutApplicationTests.java @@ -0,0 +1,13 @@ +package kr.co.programmers.shortcut; + +import org.junit.jupiter.api.Test; +import org.springframework.boot.test.context.SpringBootTest; + +@SpringBootTest +class ShortcutApplicationTests { + + @Test + void contextLoads() { + } + +} diff --git a/src/test/java/kr/co/programmers/shortcut/application/Base62Test.java b/src/test/java/kr/co/programmers/shortcut/application/Base62Test.java new file mode 100644 index 00000000..d07db9a9 --- /dev/null +++ b/src/test/java/kr/co/programmers/shortcut/application/Base62Test.java @@ -0,0 +1,46 @@ +package kr.co.programmers.shortcut.application; + +import org.junit.jupiter.api.BeforeEach; +import org.junit.jupiter.api.Test; +import static org.junit.jupiter.api.Assertions.*; + +public class Base62Test { + + private Base62 base62; + + @BeforeEach + void setUp() { + base62 = new Base62(); + } + + @Test + void testEncodeNumber() { + long number = 12345L; + String expectedEncoded = "7D3"; + + String encoded = base62.encodeNumber(number); + + assertEquals(expectedEncoded, encoded); + } + + @Test + void testDecodeKey() { + String encodedKey = "3d7"; + long expectedNumber = 29329; + + long decoded = base62.decodeKey(encodedKey); + + assertEquals(expectedNumber, decoded); + } + + @Test + void testEncodingAndDecoding() { + long originalNumber = 123456789L; + + // 인코딩 후 디코딩 + String encoded = base62.encodeNumber(originalNumber); + long decoded = base62.decodeKey(encoded); + + assertEquals(originalNumber, decoded, "디코딩된 값이 원래 숫자와 일치 하지 않습니다."); + } +} diff --git a/src/test/java/kr/co/programmers/shortcut/application/ShortCutServiceTest.java b/src/test/java/kr/co/programmers/shortcut/application/ShortCutServiceTest.java new file mode 100644 index 00000000..a8b36c3d --- /dev/null +++ b/src/test/java/kr/co/programmers/shortcut/application/ShortCutServiceTest.java @@ -0,0 +1,80 @@ +package kr.co.programmers.shortcut.application; + +import static org.junit.jupiter.api.Assertions.*; +import static org.mockito.Mockito.*; + +import org.junit.jupiter.api.Test; +import org.springframework.beans.factory.annotation.Autowired; +import org.springframework.boot.test.context.SpringBootTest; +import org.springframework.boot.test.mock.mockito.MockBean; + +import kr.co.programmers.shortcut.domain.ShortCut; +import kr.co.programmers.shortcut.domain.ShortCutRepository; +import kr.co.programmers.shortcut.dto.ShortCutCreateRequest; +import kr.co.programmers.shortcut.dto.ShortCutResponse; + +@SpringBootTest +class ShortCutServiceTest { + @Autowired + private ShortCutService shortCutService; + + @MockBean + private ShortCutRepository shortCutRepository; + + @MockBean + private Base62 base62; + + @MockBean + private ShortCutGenerator shortCutGenerator; + + @Test + public void testCreateShortCut() { + // 준비 + ShortCutCreateRequest request = new ShortCutCreateRequest("http://original-url.com"); + ShortCut shortCut = new ShortCut(request.originalURL()); + ShortCut savedShortCut = new ShortCut(request.originalURL()); + savedShortCut.setId(1L); // 예제 ID + String encodedId = "encodedString"; + String expectedShortCutURL = "http://short.url/encodedString"; + + when(shortCutRepository.save(any(ShortCut.class))).thenReturn(savedShortCut); + when(base62.encodeNumber(savedShortCut.getId())).thenReturn(encodedId); + when(shortCutGenerator.generateShortCutURL(encodedId)).thenReturn(expectedShortCutURL); + + // 실행 + ShortCutResponse response = shortCutService.createShortCut(request); + + // 검증 + assertNotNull(response); + assertEquals(expectedShortCutURL, response.newURL()); + + // 확인 + verify(shortCutRepository, times(2)).save(any(ShortCut.class)); // 저장 메소드가 두 번 호출되었는지 확인 + verify(base62).encodeNumber(savedShortCut.getId()); + verify(shortCutGenerator).generateShortCutURL(encodedId); + } + + @Test + public void testGetOriginalURL() { + // 준비 + String encodedId = "encodedString"; + Long decodedId = 1L; + String originalURL = "http://original-url.com"; + ShortCut shortCut = new ShortCut(originalURL); + shortCut.setId(decodedId); + + when(base62.decodeKey(encodedId)).thenReturn(decodedId); + when(shortCutRepository.getReferenceById(decodedId)).thenReturn(shortCut); + + // 실행 + String resultURL = shortCutService.getOriginalURL(encodedId); + + // 검증 + assertNotNull(resultURL); + assertEquals(originalURL, resultURL); + + // 확인 + verify(base62).decodeKey(encodedId); + verify(shortCutRepository).getReferenceById(decodedId); + } +} \ No newline at end of file