Make DSL simpler.

- Still needs some fixes, e.g. how to avoid confusion (property setter/getter?)

build.gradle.kts

@@ -1,5 +1,15 @@
 import org.jetbrains.kotlin.gradle.tasks.KotlinCompile
 
+buildscript {
+    extra.apply {
+        set("kotestVersion", "4.2.0")
+        set("kotlinApiVersion", "1.4")
+        set("javaVersion", JavaVersion.VERSION_11)
+    }
+}
+
+inline fun <reified T> getFromExtra(prop: String) = project.extra[prop] as T
+
 // TODO: Documentation
 // TODO: Source Jar
 // TODO: Doc Jar
@@ -13,29 +23,36 @@ repositories {
     mavenCentral()
 }
 
-project.version = "0.0.1"
+project.version = "0.0.2"
 project.group = "de.pheerai.rcdb"
 
-
 java {
-    targetCompatibility = JavaVersion.VERSION_11
+    targetCompatibility = getFromExtra("javaVersion")
-    sourceCompatibility = JavaVersion.VERSION_11
+    sourceCompatibility = getFromExtra("javaVersion")
 }
 
 dependencies {
     implementation(kotlin("stdlib-jdk8"))
 
-    testImplementation("io.kotest:kotest-runner-junit5-jvm:4.0.5")
+    testImplementation(
-    testImplementation("io.kotest:kotest-assertions-core-jvm:4.0.5")
+        group = "io.kotest",
+        name = "kotest-runner-junit5-jvm",
+        version = getFromExtra("kotestVersion")
+    )
+    testImplementation(
+        group = "io.kotest",
+        name = "kotest-assertions-core-jvm",
+        version = getFromExtra("kotestVersion")
+    )
 }
 
 tasks {
     withType<KotlinCompile>().configureEach {
         kotlinOptions {
-            freeCompilerArgs = listOf("-XXLanguage:+InlineClasses")
+//            freeCompilerArgs = listOf("-XXLanguage:+InlineClasses")
-            apiVersion = "1.3"
+            apiVersion = getFromExtra("kotlinApiVersion")
-            languageVersion = "1.3"
+            languageVersion = getFromExtra("kotlinApiVersion")
-            jvmTarget = JavaVersion.VERSION_11.toString()
+            jvmTarget = getFromExtra<JavaVersion>("javaVersion").toString()
         }
     }
 
@@ -48,7 +65,7 @@ publishing {
     publications {
         create<MavenPublication>("maven") {
             groupId = project.group as String
-            artifactId = project.name as String
+            artifactId = project.name
             version = project.version as String
 
             from(components["java"])

gradle/wrapper/gradle-wrapper.properties

@@ -1,5 +1,5 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-6.3-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-6.5.1-bin.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists

gradlew

@@ -82,6 +82,7 @@ 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
@@ -129,6 +130,7 @@ fi
 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

gradlew.bat

@@ -84,6 +84,7 @@ set CMD_LINE_ARGS=%*
 
 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 %CMD_LINE_ARGS%
 

settings.gradle.kts

@@ -1,6 +1,6 @@
 pluginManagement {
     plugins {
-        kotlin("jvm") version "1.3.72"
+        kotlin("jvm") version "1.4.0"
     }
 }
 

src/main/kotlin/de/pheerai/rcdbquery/Sample.kt

@@ -1,11 +1,12 @@
 package de.pheerai.rcdbquery
 
+import de.pheerai.rcdbquery.dataMappings.order.Order
 import de.pheerai.rcdbquery.dataMappings.order.sortBy
 import de.pheerai.rcdbquery.dataMappings.page.page
 import de.pheerai.rcdbquery.dataMappings.searchTerm.searchTerm
 import de.pheerai.rcdbquery.dataMappings.searchType.SearchType
 import de.pheerai.rcdbquery.dataMappings.searchType.searchType
-import de.pheerai.rcdbquery.dataMappings.vendor.Vendor
+import de.pheerai.rcdbquery.dataMappings.vendor.Vendor.*
 import de.pheerai.rcdbquery.dataMappings.vendor.vendors
 import de.pheerai.rcdbquery.dsl.rcdbQuery
 
@@ -18,14 +19,13 @@ fun generateNameQueryUrl() = rcdbQuery {
     searchType(SearchType.COASTER)
     searchTerm("Dragon")
     vendors {
-        vekoma()
+        VEKOMA()
-        intamin()
+        INTAMIN()
-        mack()
+        MACK()
-        of(Vendor.PRESTON_AND_BARBIERI)
     }
     sortBy {
-        manufacturer()
+        Order.MANUFACTURER()
-        inversions()
+        Order.INVERSIONS()
     }
 }
 
@@ -33,6 +33,6 @@ fun generatePageQueryUrl() = rcdbQuery {
     page(3)
     searchType(SearchType.COASTER)
     vendors {
-        intamin()
+        INTAMIN()
     }
 }

src/main/kotlin/de/pheerai/rcdbquery/dataMappings/category/CategoryBuilder.kt

@@ -8,30 +8,5 @@ class CategoryBuilder: MultiParamBuilder<Long, Category>() {
         return this
     }
 
-    fun fourthDimension() = this.add(Category.FOURTH_DIMENSION)
+    override fun Category.invoke() = add(this)
-    fun brakeman() = this.add(Category.BRAKEMAN)
-    fun builtInhouse() = this.add(Category.BUILT_INHOUSE)
-    fun darkride() = this.add(Category.DARK_RIDE)
-    fun dualStation() = this.add(Category.DUAL_STATION)
-    fun enclosed() = this.add(Category.ENCLOSED)
-    fun floorless() = this.add(Category.FLOORLESS)
-    fun hybrid() = this.add(Category.HYBRID)
-    fun indoor() = this.add(Category.INDOOR)
-    fun mirror() = this.add(Category.MIRROR)
-    fun moebius() = this.add(Category.MOEBIUS)
-    fun onboardSound() = this.add(Category.ONBOARD_SOUND)
-    fun pendulum() = this.add(Category.PENDULUM)
-    fun quasiMoebius() = this.add(Category.QUASI_MOEBIUS)
-    fun rockingCars() = this.add(Category.ROCKING_CARS)
-    fun scenicRailway() = this.add(Category.SCENIC_RAILWAY)
-    fun shuttle() = this.add(Category.SHUTTLE)
-    fun sideFriction() = this.add(Category.SIDE_FRICTION)
-    fun singleRail() = this.add(Category.SINGLE_RAIL)
-    fun slidingStation() = this.add(Category.SLIDING_STATION)
-    fun spinningCars() = this.add(Category.SPINNING_CARS)
-    fun stackedStorage() = this.add(Category.STACKED_STORAGE)
-    fun turntableStation() = this.add(Category.TURNTABLE_STATION)
-    fun twin() = this.add(Category.TWIN)
-    fun virtualReality() = this.add(Category.VIRTUAL_REALITY)
-    fun waterCoaster() = this.add(Category.WATER_COASTER)
 }

src/main/kotlin/de/pheerai/rcdbquery/dataMappings/category/paramBuilder.kt

@@ -1,6 +1,6 @@
 package de.pheerai.rcdbquery.dataMappings.category
 
-import de.pheerai.rcdbquery.dsl.ParamsCollector
+import de.pheerai.rcdbquery.dsl.params.ParamsCollector
 
 fun ParamsCollector.category(body: CategoryBuilder.() -> CategoryBuilder): ParamsCollector {
     val builder = CategoryBuilder()

src/main/kotlin/de/pheerai/rcdbquery/dataMappings/classification/ClassificationBuilder.kt

@@ -8,7 +8,5 @@ class ClassificationBuilder : MultiParamBuilder<Long, Classification>() {
         return this
     }
 
-    fun rollerCoaster() = this.add(Classification.ROLLER_COASTER)
+    override fun Classification.invoke() = add(this)
-    fun poweredCoaster() = this.add(Classification.POWERED_COASTER)
-    fun mountainCoaster() = this.add(Classification.MOUNTAIN_COASTER)
 }

src/main/kotlin/de/pheerai/rcdbquery/dataMappings/classification/paramBuilder.kt

@@ -1,6 +1,6 @@
 package de.pheerai.rcdbquery.dataMappings.classification
 
-import de.pheerai.rcdbquery.dsl.ParamsCollector
+import de.pheerai.rcdbquery.dsl.params.ParamsCollector
 
 fun ParamsCollector.classification(body: ClassificationBuilder.() -> ClassificationBuilder): ParamsCollector {
     val builder = ClassificationBuilder()

src/main/kotlin/de/pheerai/rcdbquery/dataMappings/design/DesignBuilder.kt

@@ -8,12 +8,5 @@ class DesignBuilder : MultiParamBuilder<Long, Design>() {
         return this
     }
 
-    fun sitDown() = Design.SIT_DOWN
+    override fun Design.invoke() = add(this)
-    fun inverted() = Design.INVERTED
-    fun suspended() = Design.SUSPENDED
-    fun wing() = Design.WING
-    fun flying() = Design.FLYING
-    fun standUp() = Design.STAND_UP
-    fun bobsled() = Design.BOBSLED
-    fun pipeline() = Design.PIPELINE
 }

src/main/kotlin/de/pheerai/rcdbquery/dataMappings/design/paramBuilder.kt

@@ -1,6 +1,6 @@
 package de.pheerai.rcdbquery.dataMappings.design
 
-import de.pheerai.rcdbquery.dsl.ParamsCollector
+import de.pheerai.rcdbquery.dsl.params.ParamsCollector
 
 fun ParamsCollector.design(body: DesignBuilder.() -> DesignBuilder): ParamsCollector {
     val builder = DesignBuilder()

src/main/kotlin/de/pheerai/rcdbquery/dataMappings/internal/MultiParamBuilder.kt

@@ -1,6 +1,6 @@
 package de.pheerai.rcdbquery.dataMappings.internal
 
-open class MultiParamBuilder<out U : Any, T : RcdbParamOption<U>> {
+abstract class MultiParamBuilder<out U : Any, T : RcdbParamOption<U>> {
     private val paramList: MutableList<T> = mutableListOf()
 
     open fun add(param: T): MultiParamBuilder<U, T> {
@@ -19,5 +19,6 @@ open class MultiParamBuilder<out U : Any, T : RcdbParamOption<U>> {
     }
 
     fun build() = paramList.toList()
-}
 
+    abstract operator fun T.invoke(): MultiParamBuilder<U, T>
+}

src/main/kotlin/de/pheerai/rcdbquery/dataMappings/layout/LayoutBuilder.kt

@@ -8,32 +8,5 @@ class LayoutBuilder : MultiParamBuilder<Long, Layout>() {
         return this
     }
 
-    fun bigApple() = this.add(Layout.BIG_APPLE)
+    override operator fun Layout.invoke() = add(this)
-    fun wackyWorm() = this.add(Layout.BIG_APPLE)
-
-    fun circleDip() = this.add(Layout.CIRCLE_DIP)
-    fun circularGravityRailway() = this.add(Layout.CIRCULAR_GRAVIY_RAILWAY)
-    fun cyclone() = this.add(Layout.CYCLONE)
-    fun doubleFigureEight() = this.add(Layout.DOUBLE_FIGURE_EIGHT)
-    fun doubleOutAndBack() = this.add(Layout.DOUBLE_OUT_AND_BACK)
-    fun figureEight() = this.add(Layout.FIGURE_EIGHT)
-    fun jungleMouse() = this.add(Layout.JUNGLE_MOUSE)
-    fun lShapedOutAndBack() = this.add(Layout.L_SHAPED_OUT_AND_BACK)
-    fun miteMouse() = this.add(Layout.MITE_MOUSE)
-    fun outAndBack() = this.add(Layout.OUT_AND_BACK)
-    fun oval() = this.add(Layout.OVAL)
-    fun shuttleLoop() = this.add(Layout.SHUTTLE_LOOP)
-    fun singleHelixCenter() = this.add(Layout.SINGLE_HELIX_CENTER)
-    fun singleHelixLeft() = this.add(Layout.SINGLE_HELIX_LEFT)
-    fun singleHelixRear() = this.add(Layout.SINGLE_HELIX_REAR)
-    fun singleHelixRight() = this.add(Layout.SINGLE_HELIX_RIGHT)
-    fun terrain() = this.add(Layout.TERRAIN)
-    fun triangle() = this.add(Layout.TRIANGLE)
-    fun tripleOutAndBack() = this.add(Layout.TRIPLE_OUT_AND_BACK)
-    fun twinHelix() = this.add(Layout.TWIN_HELIX)
-    fun twister() = this.add(Layout.TWISTER)
-    fun uShuttle() = this.add(Layout.U_SHUTTLE)
-    fun wildMouse() = this.add(Layout.WILD_MOUSE)
-    fun zyklon() = this.add(Layout.ZYKLON)
-    fun galaxy() = this.add(Layout.ZYKLON)
 }

src/main/kotlin/de/pheerai/rcdbquery/dataMappings/layout/paramBuilder.kt

@@ -1,10 +1,12 @@
 package de.pheerai.rcdbquery.dataMappings.layout
 
-import de.pheerai.rcdbquery.dsl.ParamsCollector
+import de.pheerai.rcdbquery.dsl.params.ParamsCollector
 
 fun ParamsCollector.layout(body: LayoutBuilder.() -> LayoutBuilder): ParamsCollector {
     val builder = LayoutBuilder()
+    with(Layout) {
         builder.body()
+    }
     this[Layout.paramKey] = builder.build()
     return this
 }

src/main/kotlin/de/pheerai/rcdbquery/dataMappings/order/OrderBuilder.kt

@@ -18,30 +18,6 @@ class OrderBuilder : MultiParamBuilder<Long, Order>() {
         return this
     }
 
-    fun of(order: Order) = this.add(order)
+    override fun Order.invoke() = add(this)
-    fun manufacturer() = this.add(Order.MANUFACTURER)
-    fun inversions() = this.add(Order.INVERSIONS)
-    fun name() = this.add(Order.NAME)
-    fun location() = this.add(Order.LOCATION)
-    fun park() = this.add(Order.PARK)
-    fun opened() = this.add(Order.OPENED)
-    fun closed() = this.add(Order.CLOSED)
-    fun entered() = this.add(Order.ENTERED)
-    fun type() = this.add(Order.TYPE)
-    fun design() = this.add(Order.DESIGN)
-    fun classification() = this.add(Order.CLASSIFICATION)
-    fun layout() = this.add(Order.LAYOUT)
-    fun model() = this.add(Order.MODEL)
-    fun modelLine() = this.add(Order.MODEL_LINE)
-    fun speed() = this.add(Order.SPEED)
-    fun height() = this.add(Order.HEIGHT)
-    fun drop() = this.add(Order.DROP)
-    fun length() = this.add(Order.LENGTH)
-    fun angle() = this.add(Order.ANGLE)
-    fun serialNo() = this.add(Order.SERIAL_NO)
-    fun scale() = this.add(Order.SCALE)
-    fun rideTime() = this.add(Order.RIDE_TIME)
-    fun state() = this.add(Order.STATUS)
-    fun closing() = this.add(Order.CLOSING)
     fun allRelevant() = this.addAll(Order.values().filter { it.relevantForAll })
 }

src/main/kotlin/de/pheerai/rcdbquery/dataMappings/order/paramBuilder.kt

@@ -1,6 +1,6 @@
 package de.pheerai.rcdbquery.dataMappings.order
 
-import de.pheerai.rcdbquery.dsl.ParamsCollector
+import de.pheerai.rcdbquery.dsl.params.ParamsCollector
 
 fun ParamsCollector.sortBy(body: OrderBuilder.() -> OrderBuilder): ParamsCollector {
     val builder = OrderBuilder()

src/main/kotlin/de/pheerai/rcdbquery/dataMappings/page/paramBuilder.kt

@@ -1,6 +1,6 @@
 package de.pheerai.rcdbquery.dataMappings.page
 
-import de.pheerai.rcdbquery.dsl.ParamsCollector
+import de.pheerai.rcdbquery.dsl.params.ParamsCollector
 
 fun ParamsCollector.page(page: Long) = also {
     this[Page.paramKey] =

src/main/kotlin/de/pheerai/rcdbquery/dataMappings/searchTerm/paramBuilder.kt

@@ -1,6 +1,6 @@
 package de.pheerai.rcdbquery.dataMappings.searchTerm
 
-import de.pheerai.rcdbquery.dsl.ParamsCollector
+import de.pheerai.rcdbquery.dsl.params.ParamsCollector
 
 fun ParamsCollector.searchTerm(term: String) = also {
     it[SearchTerm.paramKey] = listOf(

src/main/kotlin/de/pheerai/rcdbquery/dataMappings/searchType/paramBuilder.kt

@@ -1,6 +1,6 @@
 package de.pheerai.rcdbquery.dataMappings.searchType
 
-import de.pheerai.rcdbquery.dsl.ParamsCollector
+import de.pheerai.rcdbquery.dsl.params.ParamsCollector
 
 fun ParamsCollector.searchType(searchType: SearchType) = also {
     it[SearchType.paramKey] = searchType

src/main/kotlin/de/pheerai/rcdbquery/dataMappings/startsWith/paramBuilder.kt

@@ -1,6 +1,6 @@
 package de.pheerai.rcdbquery.dataMappings.startsWith
 
-import de.pheerai.rcdbquery.dsl.ParamsCollector
+import de.pheerai.rcdbquery.dsl.params.ParamsCollector
 
 fun ParamsCollector.startsWith(term: String) = also {
     this[StartsWith.paramKey] =

src/main/kotlin/de/pheerai/rcdbquery/dataMappings/status/StatusBuilder.kt

@@ -8,8 +8,5 @@ class StatusBuilder : MultiParamBuilder<Long, Status>() {
         return this
     }
 
-    fun sbno() = this.add(Status.SBNO)
+    override fun Status.invoke() = add(this)
-    fun operating() = this.add(Status.OPERATING)
-    fun underConstruction() = this.add(Status.UNDER_CONSTRUCTION)
-    fun stored() = this.add(Status.STORED)
 }

src/main/kotlin/de/pheerai/rcdbquery/dataMappings/status/paramBuilder.kt

@@ -1,6 +1,6 @@
 package de.pheerai.rcdbquery.dataMappings.status
 
-import de.pheerai.rcdbquery.dsl.ParamsCollector
+import de.pheerai.rcdbquery.dsl.params.ParamsCollector
 
 fun ParamsCollector.status(body: StatusBuilder.() -> StatusBuilder): ParamsCollector {
     val builder = StatusBuilder()

src/main/kotlin/de/pheerai/rcdbquery/dataMappings/thrill/ThrillBuilder.kt

@@ -8,8 +8,5 @@ class ThrillBuilder : MultiParamBuilder<Long, Thrill>() {
         return this
     }
 
-    fun kiddie() = this.add(Thrill.KIDDIE)
+    override fun Thrill.invoke() = add(this)
-    fun family() = this.add(Thrill.FAMILY)
-    fun thrill() = this.add(Thrill.THRILL)
-    fun extreme() = this.add(Thrill.EXTREME)
 }

src/main/kotlin/de/pheerai/rcdbquery/dataMappings/thrill/paramBuilder.kt

@@ -1,8 +1,8 @@
 package de.pheerai.rcdbquery.dataMappings.thrill
 
-import de.pheerai.rcdbquery.dsl.ParamsCollector
+import de.pheerai.rcdbquery.dsl.params.ParamsCollector
 
-fun ParamsCollector.type(body: ThrillBuilder.() -> ThrillBuilder): ParamsCollector {
+fun ParamsCollector.thrill(body: ThrillBuilder.() -> ThrillBuilder): ParamsCollector {
     val builder = ThrillBuilder()
     builder.body()
     this[Thrill.paramKey] = builder.build()

src/main/kotlin/de/pheerai/rcdbquery/dataMappings/type/TypeBuilder.kt

@@ -8,6 +8,5 @@ class TypeBuilder : MultiParamBuilder<Long, Type>() {
         return this
     }
 
-    fun steel() = this.add(Type.STEEL)
+    override fun Type.invoke() = add(this)
-    fun wood() = this.add(Type.WOOD)
 }

src/main/kotlin/de/pheerai/rcdbquery/dataMappings/type/paramBuilder.kt

@@ -1,12 +1,10 @@
 package de.pheerai.rcdbquery.dataMappings.type
 
-import de.pheerai.rcdbquery.dataMappings.thrill.Thrill
+import de.pheerai.rcdbquery.dsl.params.ParamsCollector
-import de.pheerai.rcdbquery.dataMappings.thrill.ThrillBuilder
-import de.pheerai.rcdbquery.dsl.ParamsCollector
 
-fun ParamsCollector.thrill(body: ThrillBuilder.() -> ThrillBuilder): ParamsCollector {
+fun ParamsCollector.type(body: TypeBuilder.() -> TypeBuilder): ParamsCollector {
-    val builder = ThrillBuilder()
+    val builder = TypeBuilder()
     builder.body()
-    this[Thrill.paramKey] = builder.build()
+    this[Type.paramKey] = builder.build()
     return this
 }

src/main/kotlin/de/pheerai/rcdbquery/dataMappings/unknownParams.kt

@@ -1,20 +1,23 @@
 package de.pheerai.rcdbquery.dataMappings
 
 import de.pheerai.rcdbquery.dataMappings.order.Order
-import de.pheerai.rcdbquery.dsl.ParamsCollector
+import de.pheerai.rcdbquery.dsl.params.ParamsCollector
+
+const val EXTRA_COLUMNS_ERROR_MESSAGE =
+    "The parameter for extra columns has not yet been discovered (if it even exists). Use multiple values in the `sortBy` param instead (first values take sorting precedence)"
 
 @Suppress("unused")
 @Deprecated(
-    "The parameter for extra columns has not yet been discovered (if it even exists). Use multiple values in the `sortBy` param instead (first values take sorting precedence)",
+    EXTRA_COLUMNS_ERROR_MESSAGE,
     ReplaceWith("sortBy"), DeprecationLevel.ERROR
 )
 fun ParamsCollector.extraColumns(orders: List<Order>): Nothing =
-    error("The parameter for extra columns has not yet been discovered (if it even exists). Use multiple values in the `sortBy` param instead (first values take sorting precedence)")
+    error(EXTRA_COLUMNS_ERROR_MESSAGE)
 
 @Suppress("unused")
 @Deprecated(
-    "The parameter for extra columns has not yet been discovered (if it even exists). Use multiple values in the `sortBy` param instead (first values take sorting precedence)",
+    EXTRA_COLUMNS_ERROR_MESSAGE,
     ReplaceWith("sortBy"), DeprecationLevel.ERROR
 )
 fun ParamsCollector.extraColumns(vararg orders: Order): Nothing =
-    error("The parameter for extra columns has not yet been discovered (if it even exists). Use multiple values in the `sortBy` param instead (first values take sorting precedence)")
+    error(EXTRA_COLUMNS_ERROR_MESSAGE)

src/main/kotlin/de/pheerai/rcdbquery/dataMappings/vendor/Vendor.kt

@@ -8,7 +8,7 @@ import de.pheerai.rcdbquery.dataMappings.internal.StringGeneratable
 enum class Vendor(
     override val prettyName: String,
     override val fullName: String,
-    override val paramValue: Long
+    override val paramValue: Long,
 ) : RcdbParamOption<Long>, RcdbItem {
     YAQIAO_MACHINE("Yaqiao", "Yaqiao Machine", 6471),
     CREDIBLE("Credible", 6584),
@@ -118,7 +118,7 @@ enum class Vendor(
     TAKAHASHI_KIKAI_SANGYO("Takahashi Kikai Sangyo", 7472),
     DYNAMIC("Dynamic Attractions", 7489),
     GOLDEN_HORSE("Golden Horse", 7492),
-    WIEGAND("Wiegand", "Josef Wiegand GmbH & Co. KG", 7514),
+    WIEGAND("Wiegand", 7514),
     ASCOT("Ascot Design", 7530),
     DAL_AMUSEMENT_RIDES("DAL Amusement Rides Company", 7536),
     CHILDRESS_COASTER("Childress Coaster", 7550),
@@ -255,8 +255,11 @@ enum class Vendor(
 
         fun searchByName(name: String): List<Vendor> {
             val searchName = name.toLowerCase()
-            return values().filter {
+            return values()
-                it.fullName.toLowerCase().contains(searchName)
+                .filter {
+                    it.fullName
+                        .toLowerCase()
+                        .contains(searchName)
                 }.toList()
         }
     }

src/main/kotlin/de/pheerai/rcdbquery/dataMappings/vendor/VendorBuilder.kt

@@ -8,10 +8,5 @@ class VendorBuilder : MultiParamBuilder<Long, Vendor>() {
         return this
     }
 
-    fun of(vendor: Vendor) = this.add(vendor)
+    override fun Vendor.invoke() = add(this)
-    fun vekoma() = this.add(Vendor.VEKOMA)
-    fun intamin() = this.add(Vendor.INTAMIN)
-    fun mack() = this.add(Vendor.MACK)
-    fun bandm() = this.add(Vendor.B_AND_M)
-    fun gerstlauer() = this.add(Vendor.GERSTLAUER)
 }

src/main/kotlin/de/pheerai/rcdbquery/dataMappings/vendor/paramBuilder.kt

@@ -1,6 +1,6 @@
 package de.pheerai.rcdbquery.dataMappings.vendor
 
-import de.pheerai.rcdbquery.dsl.ParamsCollector
+import de.pheerai.rcdbquery.dsl.params.ParamsCollector
 
 // TODO: Try to generify. This is currently lacking some sort of "This interface requires a companion implementing that interface"
 fun ParamsCollector.vendors(body: VendorBuilder.() -> VendorBuilder): ParamsCollector {

src/main/kotlin/de/pheerai/rcdbquery/dsl/params/Collector.kt

@@ -0,0 +1,48 @@
+package de.pheerai.rcdbquery.dsl.params
+
+import de.pheerai.rcdbquery.dataMappings.internal.RcdbParamOption
+import de.pheerai.rcdbquery.dataMappings.searchType.SearchType
+import de.pheerai.rcdbquery.dsl.RcdbParams
+
+class ParamsCollector {
+    private val multiParams: MutableMap<String, List<RcdbParamOption<Any>>> = mutableMapOf()
+    private val singleParams: MutableMap<String, RcdbParamOption<Any>> = mutableMapOf()
+
+    fun build() = RcdbParams(buildMulti(), buildSingle())
+
+    /**
+     * Creates the Query Params from this builder.
+     * If no Search type has been set, this will default to "Coaster"
+     */
+    private fun buildMulti() = multiParams.apply {
+        // Defaults go here, if any
+    }
+        .filter { it.value.isNotEmpty() }
+        .mapValues { e -> e.value.map { o -> o.paramValue.toString() } }
+        .let { MultiParams(it) }
+
+    private fun buildSingle() = singleParams.apply {
+        putIfAbsent(SearchType.paramKey, SearchType.COASTER)
+    }
+        .mapValues { e -> e.value.paramValue.toString() }
+        .let { SingleParams(it) }
+
+    operator fun set(paramName: String, options: List<RcdbParamOption<Any>>) {
+        this.multiParams[paramName] = options
+    }
+
+    operator fun set(paramName: String, option: RcdbParamOption<Any>) {
+        if (paramName !in singleParams && paramName !in multiParams) {
+            this.singleParams[paramName] = option
+        } else {
+            throw ParamAlreadySetException("Parameter $paramName already set.")
+        }
+    }
+
+    fun getSingle(paramName: String) = this.multiParams[paramName] ?: this.singleParams[paramName]
+    fun getMulti(paramName: String) = this.multiParams[paramName]
+
+    fun keys() = this.multiKeys().plus(singleKeys())
+    private fun multiKeys() = this.multiParams.keys.toSet()
+    private fun singleKeys() = this.singleParams.keys.toSet()
+}

src/main/kotlin/de/pheerai/rcdbquery/dsl/params/Params.kt

@@ -0,0 +1,8 @@
+package de.pheerai.rcdbquery.dsl.params
+
+sealed class BaseParams<T> {
+    abstract val params: Map<String, T>
+}
+
+class MultiParams(override val params: Map<String, List<String>>) : BaseParams<List<String>>()
+class SingleParams(override val params: Map<String, String>) : BaseParams<String>()

src/main/kotlin/de/pheerai/rcdbquery/dsl/params/exceptions.kt

@@ -0,0 +1,3 @@
+package de.pheerai.rcdbquery.dsl.params
+
+class ParamAlreadySetException(message: String) : IllegalArgumentException(message)

src/main/kotlin/de/pheerai/rcdbquery/dsl/rcdbQueryDsl.kt

@@ -1,19 +1,19 @@
 package de.pheerai.rcdbquery.dsl
 
-import de.pheerai.rcdbquery.dataMappings.internal.RcdbParamOption
+import de.pheerai.rcdbquery.dsl.params.MultiParams
-import de.pheerai.rcdbquery.dataMappings.searchType.SearchType
+import de.pheerai.rcdbquery.dsl.params.ParamsCollector
-
+import de.pheerai.rcdbquery.dsl.params.SingleParams
-// TODO: Restructure
 
 data class RcdbParams(
     val multiParams: MultiParams,
-    val singleParams: SingleParams
+    val singleParams: SingleParams,
 ) {
     fun toStrings(): List<String> {
         val multiParamSequence: Sequence<Pair<String, String>> = this.multiParams
             .params
+            .mapValues { it.value.joinToString(separator = ",") }
+            .map { it.toPair() }
             .asSequence()
-            .map { e -> e.key to e.value.joinToString(separator = ",") }
         val singleParamSequence: Sequence<Pair<String, String>> = this.singleParams
             .params
             .asSequence()
@@ -24,58 +24,6 @@ data class RcdbParams(
     }
 }
 
-sealed class Params<T> {
-    abstract val params: Map<String, T>
-}
-
-class ParamAlreadySetException(message: String) : IllegalArgumentException(message)
-
-class MultiParams(override val params: Map<String, List<String>>) : Params<List<String>>()
-class SingleParams(override val params: Map<String, String>) : Params<String>()
-
-class ParamsCollector {
-    private val multiParams: MutableMap<String, List<RcdbParamOption<Any>>> = mutableMapOf()
-    private val singleParams: MutableMap<String, RcdbParamOption<Any>> = mutableMapOf()
-
-    fun build() = RcdbParams(buildMulti(), buildSingle())
-
-    /**
-     * Creates the Query Params from this builder.
-     * If no Search type has been set, this will default to "Coaster"
-     */
-    private fun buildMulti() = multiParams.apply {
-            // Defaults go here, if any
-        }
-        .filter { it.value.isNotEmpty() }
-        .mapValues { e -> e.value.map { o -> o.paramValue.toString() } }
-        .let { MultiParams(it) }
-
-    private fun buildSingle() = singleParams.apply {
-            putIfAbsent(SearchType.paramKey, SearchType.COASTER)
-        }
-        .mapValues { e -> e.value.paramValue.toString() }
-        .let { SingleParams(it) }
-
-    operator fun set(paramName: String, options: List<RcdbParamOption<Any>>) {
-        this.multiParams[paramName] = options
-    }
-
-    operator fun set(paramName: String, option: RcdbParamOption<Any>) {
-        if (paramName !in singleParams && paramName !in multiParams) {
-            this.singleParams[paramName] = option
-        } else {
-            throw ParamAlreadySetException("Parameter $paramName already set.")
-        }
-    }
-
-    fun getSingle(paramName: String) = this.multiParams[paramName] ?: this.singleParams[paramName]
-    fun getMulti(paramName: String) = this.multiParams[paramName]
-
-    fun keys() = this.multiKeys().plus(singleKeys())
-    private fun multiKeys() = this.multiParams.keys.toSet()
-    private fun singleKeys() = this.singleParams.keys.toSet()
-}
-
 fun rcdbQuery(body: ParamsCollector.() -> ParamsCollector) =
     RcdbUrlQuery("https://www.rcdb.com/r.htm?", rcdbQueryParams(body)).toString()
 

src/test/kotlin/de/pheerai/rcdbquery/TestConfig.kt

@@ -0,0 +1,7 @@
+package de.pheerai.rcdbquery
+
+import io.kotest.core.config.AbstractProjectConfig
+
+class TestConfig : AbstractProjectConfig() {
+    override val globalAssertSoftly = true
+}

src/test/kotlin/de/pheerai/rcdbquery/dsl/RcdbQueryDslTest.kt

@@ -1,38 +1,57 @@
 package de.pheerai.rcdbquery.dsl
 
-import de.pheerai.rcdbquery.dataMappings.vendor.Vendor
+import de.pheerai.rcdbquery.dataMappings.order.Order
 import de.pheerai.rcdbquery.dataMappings.order.sortBy
+import de.pheerai.rcdbquery.dataMappings.searchType.SearchType
+import de.pheerai.rcdbquery.dataMappings.searchType.searchType
+import de.pheerai.rcdbquery.dataMappings.type.Type
+import de.pheerai.rcdbquery.dataMappings.type.type
+import de.pheerai.rcdbquery.dataMappings.vendor.Vendor
 import de.pheerai.rcdbquery.dataMappings.vendor.vendors
+import de.pheerai.rcdbquery.dsl.params.ParamAlreadySetException
+import io.kotest.assertions.asClue
 import io.kotest.core.spec.style.StringSpec
-import io.kotest.matchers.shouldBe
 import io.kotest.matchers.string.shouldContain
+import io.kotest.matchers.string.shouldHaveLength
+import org.junit.jupiter.api.assertThrows
 
 class RcdbQueryDslTest : StringSpec({
-
     "should generate a proper URL" {
-        val actual = rcdbQuery {
+        rcdbQuery {
             vendors {
-                vekoma()
+                Vendor.VEKOMA()
-                mack()
+                Vendor.MACK()
-                of(Vendor.MAURER)
+                Vendor.MAURER()
             }
             sortBy {
-                inversions()
+                Order.INVERSIONS()
-                manufacturer()
+                Order.MANUFACTURER()
+            }
+        }.asClue {
+            it shouldHaveLength 61
+            it shouldContain "https://www.rcdb.com/r.htm?"
+            it shouldContain "mk="
+            it shouldContain "6836"
+            it shouldContain "6856"
+            it shouldContain "6905"
+            it shouldContain "order="
+            it shouldContain "24"
+            it shouldContain "30"
+            it shouldContain "ot=2"
+            it.filter { c -> c == '&' } shouldHaveLength 2
         }
     }
 
-        actual.length shouldBe 61
+    "Should throw if unique value is reset" {
-        actual.shouldContain("https://www.rcdb.com/r.htm?")
+        assertThrows<ParamAlreadySetException> {
-        actual.shouldContain("mk=")
+            rcdbQuery {
-        actual.shouldContain("6836")
+                searchType(SearchType.COASTER)
-        actual.shouldContain("6856")
+                type {
-        actual.shouldContain("6905")
+                    Type.WOOD()
-        actual.shouldContain("order=")
+                }
-        actual.shouldContain("24")
+                searchType(SearchType.AMUSEMENT_PARK)
-        actual.shouldContain("30")
+            }
-        actual.shouldContain("ot=2")
+        }
-        actual.filter { it == '&' }.length shouldBe 2
     }
 })