Initial commit

.gitattributes

@@ -0,0 +1,6 @@
+#
+# https://help.github.com/articles/dealing-with-line-endings/
+#
+# These are explicitly windows files and should use crlf
+*.bat           text eol=crlf
+

.gitignore

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+.gradle
+build
+.idea
+*.mv.db

README.md

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+# Issues Log
+
+## Usage
+
+```bash
+./gradlew run
+```
+
+Small project to experiment with [Htmx](https://htmx.org) and [_hyperscript](https://hyperscript.org/)

app/build.gradle.kts

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+plugins {
+    id("kotlin-application")
+}
+
+dependencies {
+    implementation("org.slf4j:slf4j-api:2.0.0-alpha1")
+    runtimeOnly("org.slf4j:slf4j-simple:2.0.0-alpha1")
+    implementation("org.ktorm:ktorm-core:3.3.0")
+    implementation("com.h2database:h2:1.4.200")
+    implementation("org.jetbrains.kotlinx:kotlinx-html:0.7.3")
+    implementation("io.javalin:javalin:3.13.6")
+    implementation("org.ocpsoft.prettytime:prettytime:5.0.1.Final")
+}
+
+application {
+    mainClass.set("be.vandewalleh.issueslog.MainKt")
+}

app/resources/simplelogger.properties

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+org.slf4j.simpleLogger.logFile=System.out
+org.slf4j.simpleLogger.showDateTime=true
+org.slf4j.simpleLogger.dateTimeFormat=yyyy-MM-dd HH:mm:ss:SSS Z
+org.slf4j.simpleLogger.defaultLogLevel=info
+
+# Logging detail level for a SimpleLogger instance named "xxxxx".
+# Must be one of ("trace", "debug", "info", "warn", or "error").
+# If not specified, the default logging detail level is used.
+#org.slf4j.simpleLogger.log.xxxxx=

app/src/Components.kt

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+package be.vandewalleh.issueslog
+
+import kotlinx.html.*
+
+@HtmlTagMarker
+fun TagConsumer<*>.head() {
+    script(src = "https://unpkg.com/htmx.org@1.3.3") {}
+    script(src = "https://unpkg.com/hyperscript.org@0.0.9") {}
+    link(
+        href = "https://cdn.jsdelivr.net/npm/bootstrap@5.0.0-beta3/dist/css/bootstrap.min.css",
+        rel = "stylesheet"
+    )
+    title("Issues log")
+}
+
+@HtmlTagMarker
+fun TagConsumer<*>.issues(issues: List<IssueEntity>) {
+    issues.forEach {
+        div("card") {
+            style = "margin: 6px"
+            div("card-header") { +it.created.pretty() }
+            div("card-body") {
+                h5("card-title text-center") { +it.name }
+                p("card-text") { +it.cause }
+                div {
+                    button(classes = "btn btn-outline-danger btn-sm") {
+                        hxDelete = "/issues?id=${it.id}"
+                        hxTarget = "#issues"
+                        +"Delete"
+                    }
+                }
+            }
+        }
+    }
+}
+
+@HtmlTagMarker
+fun TagConsumer<*>.requiredInput(label: String, name: String) {
+    div("mb-3") {
+        label("form-label") {
+            `for` = name
+            +label
+        }
+        input(classes = "form-control") {
+            id = name
+            this.name = name
+            required = true
+            maxLength = "255"
+        }
+    }
+}

app/src/IssuesRepository.kt

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+package be.vandewalleh.issueslog
+
+import org.ktorm.database.Database
+import org.ktorm.dsl.delete
+import org.ktorm.dsl.eq
+import org.ktorm.entity.add
+import org.ktorm.entity.sequenceOf
+import org.ktorm.entity.sortedByDescending
+import org.ktorm.entity.toList
+
+class IssuesRepository(private val database: Database) {
+    fun create(issueEntity: IssueEntity) {
+        database.sequenceOf(IssuesTable).add(issueEntity)
+    }
+
+    fun all() = database.sequenceOf(IssuesTable).sortedByDescending { it.created }.toList()
+
+    fun delete(id: Int) {
+        database.delete(IssuesTable) {
+            it.id eq id
+        }
+    }
+}

app/src/Main.kt

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+package be.vandewalleh.issueslog
+
+import io.javalin.Javalin
+import kotlinx.html.*
+import org.h2.jdbcx.JdbcDataSource
+import org.ktorm.database.Database
+
+fun main() {
+    val dataSource = JdbcDataSource()
+        .apply { setURL("jdbc:h2:./issues;DB_CLOSE_DELAY=-1;CASE_INSENSITIVE_IDENTIFIERS=TRUE") }
+    val database = Database.connect(dataSource).apply { createTables() }
+    val repo = IssuesRepository(database)
+    val app = Javalin.create()
+
+    app.get("/") { ctx ->
+        ctx.document {
+            head()
+            body {
+                style = "padding:1.5rem"
+                form {
+                    hxPost = "/new"
+                    hxTarget = "#issues"
+                    hs = "on submit set #name.value to '' set #cause.value to '' call #name.focus()"
+                    requiredInput(label = "Name", name = "name")
+                    requiredInput(label = "Cause", name = "cause")
+                    button(classes = "btn btn-outline-primary") { +"Add" }
+                }
+                h1 { +"Issues Log" }
+                div {
+                    id = "issues"
+                    style = "display:flex;flex-wrap:wrap"
+                    issues(repo.all())
+                }
+            }
+        }
+    }
+
+    app.post("/new") { ctx ->
+        repo.create(IssueEntity {
+            name = ctx.formParam("name")!!
+            cause = ctx.formParam("cause")!!
+        })
+        ctx.fragment { issues(repo.all()) }
+    }
+
+    app.delete("/issues") { ctx ->
+        repo.delete(ctx.queryParam("id")!!.toInt())
+        ctx.fragment { issues(repo.all()) }
+    }
+
+    app.start(System.getenv("PORT")?.toIntOrNull() ?: 9000)
+}

app/src/Tables.kt

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+package be.vandewalleh.issueslog
+
+import org.ktorm.database.Database
+import org.ktorm.entity.Entity
+import org.ktorm.entity.EntitySequence
+import org.ktorm.entity.sequenceOf
+import org.ktorm.schema.Table
+import org.ktorm.schema.int
+import org.ktorm.schema.timestamp
+import org.ktorm.schema.varchar
+import java.time.Instant
+
+object IssuesTable : Table<IssueEntity>("Issues") {
+    val id = int("id").primaryKey().bindTo { it.id }
+    val name = varchar("name").bindTo { it.name }
+    val cause = varchar("cause").bindTo { it.cause }
+    val created = timestamp("created").bindTo { it.created }
+}
+
+interface IssueEntity : Entity<IssueEntity> {
+    companion object : Entity.Factory<IssueEntity>()
+
+    var id: Int
+    var name: String
+    var cause: String
+    var created: Instant
+}
+
+fun Database.createTables() {
+    useConnection { connection ->
+        connection.prepareStatement(
+            """
+            CREATE TABLE IF NOT EXISTS Issues (
+                id int auto_increment primary key,
+                name varchar not null,
+                cause varchar not null,
+                created timestamp not null default CURRENT_TIMESTAMP()
+            );
+        """.trimIndent()
+        ).execute()
+    }
+}

app/src/Utils.kt

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+package be.vandewalleh.issueslog
+
+import io.javalin.http.Context
+import kotlinx.html.*
+import kotlinx.html.stream.*
+import org.ocpsoft.prettytime.PrettyTime
+import java.time.Instant
+import kotlin.properties.ReadWriteProperty
+import kotlin.reflect.KProperty
+
+class AttributeDelegate(private val name: String? = null) : ReadWriteProperty<Tag, String> {
+    override fun getValue(thisRef: Tag, property: KProperty<*>): String {
+        throw UnsupportedOperationException()
+    }
+
+    override fun setValue(thisRef: Tag, property: KProperty<*>, value: String) {
+        val name = this.name ?: property.name.camelToKebabCase()
+        thisRef.attributes[name] = value
+    }
+
+    companion object {
+        private val camelRegex = "(?<=[a-zA-Z])[A-Z]".toRegex()
+        private fun String.camelToKebabCase() = camelRegex.replace(this) { "-${it.value}" }.lowercase()
+    }
+}
+
+var Tag.hxTarget by AttributeDelegate()
+var Tag.hxGet by AttributeDelegate()
+var Tag.hxPost by AttributeDelegate()
+var Tag.hxDelete by AttributeDelegate()
+
+var Tag.hs by AttributeDelegate("_")
+
+var LABEL.`for` by AttributeDelegate("for")
+
+fun Context.document(block: TagConsumer<StringBuilder>.() -> Unit) {
+    header("Content-Type", "text/html; charset=utf-8")
+    result(buildString {
+        append("<!DOCTYPE html>\n")
+        appendHTML().apply(block)
+    })
+}
+
+fun Context.fragment(block: TagConsumer<StringBuilder>.() -> Unit) {
+    header("Content-Type", "text/html; charset=utf-8")
+    result(buildString {
+        appendHTML().apply(block)
+    })
+}
+
+private val prettyTime by lazy(LazyThreadSafetyMode.NONE) { PrettyTime() }
+fun Instant.pretty(): String = prettyTime.format(this)

buildSrc/build.gradle.kts

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+plugins {
+    `kotlin-dsl`
+}
+
+repositories {
+    gradlePluginPortal()
+}
+
+dependencies {
+    implementation(platform("org.jetbrains.kotlin:kotlin-bom:1.5.0"))
+    implementation("org.jetbrains.kotlin:kotlin-gradle-plugin:1.5.0")
+}

buildSrc/src/main/kotlin/java-convention.gradle.kts

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+plugins {
+    java
+}
+
+repositories {
+    mavenCentral()
+}
+
+java {
+    targetCompatibility = JavaVersion.toVersion(16)
+    sourceCompatibility = JavaVersion.toVersion(16)
+}
+
+tasks.withType<JavaCompile> {
+    options.encoding = "UTF-8"
+}
+
+sourceSets["main"].resources.setSrcDirs(listOf("resources"))
+sourceSets["main"].java.setSrcDirs(emptyList<String>())
+sourceSets["test"].resources.setSrcDirs(listOf("test-resources"))
+sourceSets["test"].java.setSrcDirs(emptyList<String>())

buildSrc/src/main/kotlin/kotlin-application.gradle.kts

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+plugins {
+    id("kotlin-convention")
+    application
+}

buildSrc/src/main/kotlin/kotlin-convention.gradle.kts

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+import org.jetbrains.kotlin.gradle.tasks.KotlinCompile
+
+plugins {
+    id("java-convention")
+    kotlin("jvm")
+}
+
+dependencies {
+    implementation(kotlin("stdlib-jdk8"))
+    implementation(platform(kotlin("bom")))
+}
+
+tasks.withType<KotlinCompile> { kotlinOptions { jvmTarget = "15" } }
+
+kotlin {
+    sourceSets["main"].kotlin.setSrcDirs(listOf("src"))
+    sourceSets["test"].kotlin.setSrcDirs(listOf("test"))
+}

gradle/wrapper/gradle-wrapper.properties

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+distributionBase=GRADLE_USER_HOME
+distributionPath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-7.0-bin.zip
+zipStoreBase=GRADLE_USER_HOME
+zipStorePath=wrapper/dists

gradlew

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+#!/usr/bin/env sh
+
+#
+# Copyright 2015 the original author or 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 UN*X
+##
+##############################################################################
+
+# Attempt to set APP_HOME
+# Resolve links: $0 may be a link
+PRG="$0"
+# Need this for relative symlinks.
+while [ -h "$PRG" ] ; do
+    ls=`ls -ld "$PRG"`
+    link=`expr "$ls" : '.*-> \(.*\)$'`
+    if expr "$link" : '/.*' > /dev/null; then
+        PRG="$link"
+    else
+        PRG=`dirname "$PRG"`"/$link"
+    fi
+done
+SAVED="`pwd`"
+cd "`dirname \"$PRG\"`/" >/dev/null
+APP_HOME="`pwd -P`"
+cd "$SAVED" >/dev/null
+
+APP_NAME="Gradle"
+APP_BASE_NAME=`basename "$0"`
+
+# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+DEFAULT_JVM_OPTS='"-Xmx64m" "-Xms64m"'
+
+# Use the maximum available, or set MAX_FD != -1 to use that value.
+MAX_FD="maximum"
+
+warn () {
+    echo "$*"
+}
+
+die () {
+    echo
+    echo "$*"
+    echo
+    exit 1
+}
+
+# OS specific support (must be 'true' or 'false').
+cygwin=false
+msys=false
+darwin=false
+nonstop=false
+case "`uname`" in
+  CYGWIN* )
+    cygwin=true
+    ;;
+  Darwin* )
+    darwin=true
+    ;;
+  MINGW* )
+    msys=true
+    ;;
+  NONSTOP* )
+    nonstop=true
+    ;;
+esac
+
+CLASSPATH=$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: $JAVA_HOME
+
+Please set the JAVA_HOME variable in your environment to match the
+location of your Java installation."
+    fi
+else
+    JAVACMD="java"
+    which java >/dev/null 2>&1 || die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
+
+Please set the JAVA_HOME variable in your environment to match the
+location of your Java installation."
+fi
+
+# Increase the maximum file descriptors if we can.
+if [ "$cygwin" = "false" -a "$darwin" = "false" -a "$nonstop" = "false" ] ; then
+    MAX_FD_LIMIT=`ulimit -H -n`
+    if [ $? -eq 0 ] ; then
+        if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then
+            MAX_FD="$MAX_FD_LIMIT"
+        fi
+        ulimit -n $MAX_FD
+        if [ $? -ne 0 ] ; then
+            warn "Could not set maximum file descriptor limit: $MAX_FD"
+        fi
+    else
+        warn "Could not query maximum file descriptor limit: $MAX_FD_LIMIT"
+    fi
+fi
+
+# For Darwin, add options to specify how the application appears in the dock
+if $darwin; then
+    GRADLE_OPTS="$GRADLE_OPTS \"-Xdock:name=$APP_NAME\" \"-Xdock:icon=$APP_HOME/media/gradle.icns\""
+fi
+
+# For Cygwin or MSYS, switch paths to Windows format before running java
+if [ "$cygwin" = "true" -o "$msys" = "true" ] ; then
+    APP_HOME=`cygpath --path --mixed "$APP_HOME"`
+    CLASSPATH=`cygpath --path --mixed "$CLASSPATH"`
+
+    JAVACMD=`cygpath --unix "$JAVACMD"`
+
+    # We build the pattern for arguments to be converted via cygpath
+    ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null`
+    SEP=""
+    for dir in $ROOTDIRSRAW ; do
+        ROOTDIRS="$ROOTDIRS$SEP$dir"
+        SEP="|"
+    done
+    OURCYGPATTERN="(^($ROOTDIRS))"
+    # Add a user-defined pattern to the cygpath arguments
+    if [ "$GRADLE_CYGPATTERN" != "" ] ; then
+        OURCYGPATTERN="$OURCYGPATTERN|($GRADLE_CYGPATTERN)"
+    fi
+    # Now convert the arguments - kludge to limit ourselves to /bin/sh
+    i=0
+    for arg in "$@" ; do
+        CHECK=`echo "$arg"|egrep -c "$OURCYGPATTERN" -`
+        CHECK2=`echo "$arg"|egrep -c "^-"`                                 ### Determine if an option
+
+        if [ $CHECK -ne 0 ] && [ $CHECK2 -eq 0 ] ; then                    ### Added a condition
+            eval `echo args$i`=`cygpath --path --ignore --mixed "$arg"`
+        else
+            eval `echo args$i`="\"$arg\""
+        fi
+        i=`expr $i + 1`
+    done
+    case $i in
+        0) set -- ;;
+        1) set -- "$args0" ;;
+        2) set -- "$args0" "$args1" ;;
+        3) set -- "$args0" "$args1" "$args2" ;;
+        4) set -- "$args0" "$args1" "$args2" "$args3" ;;
+        5) set -- "$args0" "$args1" "$args2" "$args3" "$args4" ;;
+        6) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" ;;
+        7) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" ;;
+        8) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" ;;
+        9) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" "$args8" ;;
+    esac
+fi
+
+# Escape application args
+save () {
+    for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done
+    echo " "
+}
+APP_ARGS=`save "$@"`
+
+# Collect all arguments for the java command, following the shell quoting and substitution rules
+eval set -- $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS"
+
+exec "$JAVACMD" "$@"

gradlew.bat

@@ -0,0 +1,89 @@
+@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=.
+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%" == "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%"=="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!
+if  not "" == "%GRADLE_EXIT_CONSOLE%" exit 1
+exit /b 1
+
+:mainEnd
+if "%OS%"=="Windows_NT" endlocal
+
+:omega

settings.gradle.kts

@@ -0,0 +1,2 @@
+rootProject.name = "Issues Log"
+include("app")