initial commit

server/src/main/resources/application.yaml

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+ktor:
+  deployment:
+    port: 7770
+  application:
+    modules:
+      - net.keinekekse.app.core.config.HttpKt.configureHttp
+      - net.keinekekse.app.core.config.SerializationKt.configureSerialization
+      - net.keinekekse.app.core.config.StatusPagesKt.configureStatusPages
+      - net.keinekekse.app.core.config.HtmlDslKt.configureHtmlDsl
+      - net.keinekekse.app.core.config.SecurityKt.configureSecurity
+      - net.keinekekse.app.core.config.DatabaseKt.configureCoreDatabase
+      - net.keinekekse.app.core.config.DIKt.configureDependencyInjection
+      - net.keinekekse.app.core.config.RoutingKt.configureRouting
+      - net.keinekekse.app.books.config.DatabaseKt.configureBooksDatabase
+      - net.keinekekse.app.books.config.DIKt.configureBookDependencyInjection
+      - net.keinekekse.app.books.config.RoutingKt.configureRouting
+
+postgres:
+  # DB-Params werden vom Container als env vars gesetzt
+  host: ${DB_HOST}
+  port: ${DB_PORT}
+  books_schema: ${BOOKS_SCHEMA}
+  books_pwd: ${BOOKS_DB_PASSWORD}
+  kas_schema: ${KAS_SCHEMA}
+  kas_pwd: ${KAS_DB_PASSWORD}
+
+keycloak:
+  url: "https://kec.keinekekse.net"
+  realm: "app-server-realm"
+  clientId: "pkce-book-app"
+
+kas:
+  serverUrl: "https://kas.keinekekse.net"

server/src/main/resources/logback.xml

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+<configuration>
+    <appender name="STDOUT" class="ch.qos.logback.core.ConsoleAppender">
+        <encoder>
+            <pattern>%d{YYYY-MM-dd HH:mm:ss.SSS} [%thread] %-5level %logger{36} - %msg%n</pattern>
+        </encoder>
+    </appender>
+    <root level="DEBUG">
+        <appender-ref ref="STDOUT"/>
+    </root>
+    <!-- div Schwätzer raushalten -->
+    <logger name="org.eclipse.jetty" level="INFO"/>
+    <logger name="io.netty" level="INFO"/>
+    <logger name="com.zaxxer.hikari" level="INFO"/>
+    <logger name="org.apache.hc" level="INFO"/>
+
+    <logger name="net.keinekekse.app" level="DEBUG"/>
+    <logger name="io.ktor.server.auth.oidc" level="TRACE"/>
+</configuration>

server/src/main/resources/static/index.html

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+<html>
+ <head>
+ </head>
+ <body>
+   <h1>Hello Ktor!</h1>
+ </body>
+</html>

server/src/main/resources/static/scripts/books.js

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+function onScanSuccess (decodedText, decodedResult) {
+  console.log(`Gescannter Code: ` + decodedText)
+
+  // Scanner stoppen, sobald ein Code erkannt wurde
+  html5QrcodeScanner.clear()
+
+  // HTMX AJAX-Aufruf auslösen, um Buchdaten vom Backend zu laden:
+  htmx.ajax('GET', '/books/isbnlookup/' + encodeURIComponent(decodedText), {
+    target: '#book-result',
+    swap  : 'innerHTML'
+  })
+}
+
+function renderScanner () {
+  const html5QrcodeScanner = new Html5QrcodeScanner(
+      'reader',
+      {fps: 10, qrbox: {width: 250, height: 150}},
+      /* verbose= */ false
+  )
+  html5QrcodeScanner.render(onScanSuccess)
+}

server/src/main/resources/static/styles/books.css

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+/* Google Material Symbols (die Datei landet beim Build im web root) */
+@import url("/static/styles/google.css");
+
+/* Bootstrap Icon - Alternative zu Google, Datei ist etwa halb so groß */
+/* @import url("/bootstrap-icons.min.css"); */
+
+/* Tailwind - .css wird beim Build generiert */
+@import url("/static/styles/tailwind.css");
+
+/*
+  Fixed Table Header -> THEAD
+
+  zusätzlich passende background-color setzten
+ */
+thead.fixed-table-header {
+    position: sticky;
+    inset-block-start: 0;
+    z-index: 1;
+}
+
+/*
+   Den lästigen blauen Rand abschalten, muss bei interaktiven Elementen
+   gezielt gesetzt werden (i. A. analog hover).
+ */
+@layer utilities {
+    *:focus,
+    *:focus-visible {
+        outline: none;
+        border: 0;
+    }
+}

server/src/main/resources/static/styles/google.css

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+/*
+  Material Symbols
+  ----------------
+  Ansehen unter: https://fonts.google.com/icons
+  Doku: https://developers.google.com/fonts/docs/material_symbols?hl=de
+
+  > git clone https://github.com/google/material-design-icons
+  > cp material-design-icons/variablefont/*.woff2 .
+  > rm -rf material-design-icons
+
+  MaterialSymbolsOutline*.woff2 nach resources/material-symbols.woff kopieren
+
+  <span class="material-symbols-outlined">symbol</span>
+  bzw.
+  span(classes = "material-symbols-outlined") { +"symbol" }
+*/
+@font-face {
+    font-family: 'Material Symbols Outlined';
+    font-style: normal;
+    src: url(/static/fonts/material-symbols.woff2) format('woff2');
+}
+
+.material-symbols-outlined {
+    font-family: 'Material Symbols Outlined';
+    font-weight: normal;
+    font-style: normal;
+    font-size: 24px;
+    display: inline-block;
+    line-height: 1;
+    text-transform: none;
+    letter-spacing: normal;
+    word-wrap: normal;
+    white-space: nowrap;
+    direction: ltr;
+}