First "full" DSL

- Search Type
 - Term
 - Vendor
 - Additional columns/sorting

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

@@ -15,17 +15,15 @@ fun hello(): String = "Hello from ${Platform.name}"
 
 fun generateQueryUrl() = rcdbQuery {
     searchFor(SearchType.COASTER)
-    vendors(
+    searchTerm("Dragon")
-        Vendor.INTAMIN,
+    vendors {
-        Vendor.MACK
+        vekoma()
-    )
+        intamin()
-    sortBy(
+        mack()
-        Order.MANUFACTURER,
+        of(Vendor.PRESTON_AND_BARBIERI)
-        Order.INVERSIONS
+    }
-    )
+    sortBy {
-    custom(
+        manufacturer()
-        "foo",
+        inversion()
-        createRcdbParam(paramId = 12),
+    }
-        createRcdbParam(paramId = 24)
-    )
 }

src/commonMain/kotlin/de/pheerai/rcdbquery/dataMappings/Order.kt

@@ -3,10 +3,48 @@ package de.pheerai.rcdbquery.dataMappings
 enum class Order(
     override val prettyName: String,
     override val fullName: String,
-    override val paramId: Int
+    override val paramValue: Int
-) : RcdbParamOption {
+) : RcdbParamOption<Int> {
+    IMAGES("Images", "Amount of Images", 0),
+    NAME("Name", "Name of the Coaster", 1),
+
+    @Deprecated(
+        "The purpose of this parameter is yet unclear. You might want to use NAME instead",
+        level = DeprecationLevel.WARNING,
+        replaceWith = ReplaceWith("Order.NAME")
+    )
+    NAME_2("Name", "Name of the Coaster. Difference to NAME not clear", 2),
+    LOCATION("Location", 3),
+    PARK("Park", 4),
+    OPENED("Opened", "Opening Date", 8),
+    CLOSED("Closed", "Closing Date (past)", 9),
+
+    @Deprecated(
+        "This field seems to have been deprecated in favor of another parameter",
+        level = DeprecationLevel.WARNING,
+        replaceWith = ReplaceWith("Order.STATE")
+    )
+    STATE_2("State", "Operational State (legacy)", 10),
+    ENTERED("Entered", 12),
+    TYPE("Type", "Constrcution Type (Wood, Steel)", 13),
+    DESIGN("Design", "Train Design (Sit-Down, Invert,...)", 14),
+    CLASSIFICATION("Classification", "Coaster Classification (Coaster, Powered Coaster, Mountain Coaster)", 15),
+    LAYOUT("Layout", 16),
+    MODEL("Model", "Manufacturer Model", 17),
+    MODEL_LINE("Model-Line", "Coaster Model Line", 18),
+    SPEED("Speed", "Max. Speed", 19),
+    HEIGHT("Height", 20),
+    DROP("Drop", "Highest Drop", 21),
+    LENGTH("Length", 22),
+    ANGLE("Angle", 23),
+    INVERSIONS("Inversions", "Number of inversions", 24),
+    SERIAL_NO("Serial", "Serial number", 25),
+    SCALE("Scale", "Thrill factor", 26),
+    RIDE_TIME("Ride Time", 27),
+    STATE("State", "Operational state", 29),
     MANUFACTURER("Manufacturer", 30),
-    INVERSIONS("Inversion", "Number of inversions", 24);
+    CLOSING("Closing", "(Future) closign date for temporary installations", 31)
+    ;
 
     constructor(name: String, paramId: Int) : this(name, name, paramId)
 

src/commonMain/kotlin/de/pheerai/rcdbquery/dataMappings/RcdbParamOption.kt

@@ -1,20 +1,7 @@
 package de.pheerai.rcdbquery.dataMappings
 
-interface RcdbParamOption {
+interface RcdbParamOption<out T> {
     val prettyName: String
     val fullName: String
-    val paramId: Int
+    val paramValue: T
-}
-
-fun createRcdbParam(
-    prettyName: String = "",
-    fullName:String = "",
-    paramId: Int  = -1
-) : RcdbParamOption = object : RcdbParamOption {
-    override val prettyName: String
-        get() = prettyName
-    override val fullName: String
-        get() = fullName
-    override val paramId: Int
-        get() = paramId
 }

src/commonMain/kotlin/de/pheerai/rcdbquery/dataMappings/RcdbQueryParams.kt

@@ -1,8 +1,2 @@
 package de.pheerai.rcdbquery.dataMappings
 
-data class RcdbQueryParam<out T : RcdbParamOption>(val paramName: String, val paramOptions: List<T>)
-data class RcdbQueryParamBuilder<T : RcdbParamOption>(var paramName: String, val paramOption: MutableList<T>) {
-    fun append(option: T) {
-        this.paramOption.add(option)
-    }
-}

src/commonMain/kotlin/de/pheerai/rcdbquery/dataMappings/SearchTerm.kt

@@ -0,0 +1,9 @@
+package de.pheerai.rcdbquery.dataMappings
+
+class SearchTerm(override val paramValue: String): RcdbParamOption<String> {
+    override val prettyName = "Search Term"
+    override val fullName = "Search for elements whose name contain this term"
+    companion object {
+        const val staticParamName = "nc"
+    }
+}

src/commonMain/kotlin/de/pheerai/rcdbquery/dataMappings/SearchType.kt

@@ -3,9 +3,12 @@ package de.pheerai.rcdbquery.dataMappings
 enum class SearchType(
     override val prettyName: String,
     override val fullName: String,
-    override val paramId: Int
+    override val paramValue: Int
-) : RcdbParamOption {
+) : RcdbParamOption<Int> {
-    COASTER("Coaster", "Search for Roller Coaster", 2)
+    COASTER("Coaster", "Search for Roller Coaster", 2),
+    AMUSEMENT_PARK("Amusement Parks", "Searh for an amusement park", 3),
+    COMPANY("Company", "Search for company (manufacturer, engineering,...)", 12),
+    PERSON("Person", "Search for a person (designer, engineer,...)", 13)
     ;
 
     companion object {

src/commonMain/kotlin/de/pheerai/rcdbquery/dataMappings/Vendor.kt

@@ -3,8 +3,229 @@ package de.pheerai.rcdbquery.dataMappings
 enum class Vendor(
     override val prettyName: String,
     override val fullName: String,
-    override val paramId: Int
+    override val paramValue: Int
-) : RcdbParamOption {
+) : RcdbParamOption<Int> {
+    YAQIAO_MACHINE("Yaqiao", "Yaqiao Machine", 6471),
+    CREDIBLE("Credible", 6584),
+    ARROW("Arrow", "Arrow Dynamics", 6835),
+    PHILADELPHIA_TOBOGGAN_COASTERS("Philadelphia Toboggan Coasters", "Philadelphia Toboggan Coasters, Inc.", 6841),
+    DINN("Dinn", "Dinn Corporation", 6842),
+    SCHWARZKOPF("Schwarzkopf", 6844),
+    INTERNATIONAL_AMUSEMENT_DEVICES("International Amusement Devices", "International Amusement Devices, Inc.", 6846),
+    MORGAN("Morgan", 6847),
+    PREMIER("Premier", "Premier Rides", 6848),
+    TOGO("Togo", 6849),
+    E_AND_F_MILER("E&F Miler", "E&F Miler Industries", 6858),
+    INTERNATIONAL_COASTERS("International Coasters", "International Coasters, Inc.", 6859),
+    PINFARI("Pinfari", 6862),
+    RAUERHORST("Rauerhorst", "Rauerhorst Corporation", 6864),
+    NATIONAL_AMUSEMENT_DEVICE_COMPANY("National Amusement Device Company", 6867),
+    CCI("CCI", "Custom Coasters International, Inc.", 6868),
+    OVERLAND_AMUSEMENTS("Overland Amusements", 6870),
+    MOLINA_AND_SONS("Molina & Son's", 6871),
+    ALLAN_HERSCHELL("Allan Herschell Company", 6872),
+    SDC("S.D.C.", 6873),
+    HENSEL_PHELPS("Hensel Phelps","Hensel Phelps Construction Co.", 6879),
+    HOPKINS("Hopkins", 6881),
+    CHANCE("Chance", "Chance Rides", 6887),
+    BRADLEY_AND_KAYE("Bradley and Kaye", 6894),
+    SARTORI("Sartori", "Sartori Rides", 6895),
+    MICHAEL_BLACK("Michael Black Assoc.","Michael Black and Associates", 6898),
+    REVERCHON("Reverchon", 6902),
+    TOP_FUN("Top Fun", 6903),
+    WISDOM("WISDOM", "Wisdom Rides", 6904),
+    L_AND_T("L&T", "L&T Systems", 6906),
+    COASTER_WORKS("Coaster Works", "Coaster Works, Inc.", 6907),
+    GIOVANOLA("Giovanola", 6908),
+    B_A_SCHIFF("B. A. Schiff Assoc.","B. A. Schiff & Associates", 6914),
+    RCCA("RCCA", "Roller Coaster Corporation of America", 6918),
+    CARIPRO("Caripro", 6919),
+    SETPOINT("Setpoint", 6920),
+    SANSEI_YUSOKI("Sansei Yusoki", "Sansei Yusoki Co., Ltd.", 6923),
+    S_AND_S_SANSEI("S&S Sansei", "S&S Sansei Technologies", 6930),
+    BIG_COUNTRY_MOTIONEERING("Big Country Motioneering", 6938),
+    SOQUET("Soquet", 6940),
+    CAVAZZA_DIEGO("Cavazza Diego", 6942),
+    SUPERCAR("Supercar", 6944),
+    S_AND_MC("S&MC", 6947),
+    FAB("FAB", 6949),
+    BHS("BHS", "Bayerische Berg-, Hütten- und Salzwerke AG", 6951),
+    FABBRI("Fabbri", 6953),
+    MEISHO("Meisho", "Meisho Amusement Machines", 6954),
+    SENYO_KOGYO("Senyo","Senyo Kogyo Co., Ltd.", 6957),
+    NIPPON("Nippon", 6958),
+    OKAMOTO("Okamoto", "Okamoto Co., Ltd.", 6970),
+    PAX("Pax", "Pax Company", 6971),
+    HOEI_SANGYO("Hoei Sangyo", "Hoei Sangyo Co., Ltd.", 6973),
+    THOMPSON("Thompson","L.A. Thompson Scenic Railway Company", 6975),
+    WGH_TRANSPORTATION("WGH Transportation", 6979),
+    HARTON("TM Harton", "TM Harton Company", 7000),
+    APPLE("Apple", 7030),
+    INTERPARK("Interpark", 7035),
+    DPV_RIDES("D.P.V. Rides", 7038),
+    TRES_EIXOS("Três Eixos", 7041),
+    PRESTON_AND_BARBIERI("Preston & Barbieri", 7042),
+    DAMBROZ("Dambroz", 7055),
+    INVERTED_TECHNOLOGIES("Inverted Technologies", 7058),
+    HINDUSTAN("Hindustan Amusement Machines", 7065),
+    FAJUME("Fajume", 7083),
+    MCKAY("McKay Construction", 7099),
+    MERIDIAN("Meridian", "Meridian Ltd.", 7111),
+    BARBISAN("Barbisan", 7119),
+    BEIJING_SHIBAOLAI("Beijing Shibaolai Amusement Equipment", 7125),
+    BARBIERI("Barbieri Rides", 7137),
+    SUNKID_HEEGE("Sunkid Heege", "Sunkid Heege GmbH", 7140),
+    US_AMUSEMENT_COMPANY("U.S. Amusement Company", 7143),
+    LYNN_WELCHER("Lynn Welcher Construction Co.", 7152),
+    MONDIAL("Mondial", 7154),
+    C_AND_S("C&S", 7164),
+    MILER("Miler", "Miler Manufacturing", 7170),
+    BAILEY_RIDES("Bailey Rides", "Bailey Rides, Inc.", 7198),
+    AMERICAN_CONSTRUCTION("American Construction Co.", 7209),
+    AERIAL_TRAMWAY_CONSTRUCTION("Aerial Tramway Construction Co.", 7213),
+    BELMONT_CONSTRUCTION("Belmont Construction Co.", 7215),
+    SPIRAL_WHEEL_OPERATING_CORPORATION("Spiral Wheel Operating Corporation", 7216),
+    SKYTRAK("Skytrak International", 7222),
+    SELECT_CONTRACTS("Select Contracts", 7230),
+    MASAGO("Masago Industrial", 7236),
+    WESTECH("Westech", 7241),
+    INTERLINK("Interlink", 7243),
+    CHICAGO_COASTER("Chicago Coaster Co", 7249),
+    LUCREZIA_DI_CARTOCETO("Lucrezia Di Cartoceto", 7260),
+    BLACKPOOL_LEISURE("Blackpool Leisure Amusement Consultancy", 7268),
+    CINCINNATI_AMUSEMENT("Cincinnati Amusement Co.", 7290),
+    IE_PARK("I.E. Park", 7296),
+    PRINCETON_MACHINE("Princeton Machine", 7322),
+    POONAN_AMUSEMENT_RIDES("Poonan Amusement Rides Industries", 7330),
+    BREINIG_CONSTRUCTION("Breinig Construction Company", 7334),
+    FEDERAL_ENGINEERING("Federal Engineering Co.", 7341),
+    R_AND_C_ENTERTAINMENT("R&C Entertainment", 7349),
+    SPILLMAN_ENGINEERING("Spillman Engineering", 7354),
+    TRAVER_ENGINEERING("Traver Engineering Company", 7360),
+    MUNDIAL("Mundial", "Mundial Park, s.r.l.", 7379),
+    CARLL_AND_RAMAGOSA("Carll & Ramagosa", 7382),
+    MARTIN_AND_VLEMINCKX("Martin & Vleminckx", 7390),
+    CAM_BABY_KART("CAM Baby Kart", 7400),
+    EOS("EOS", 7418),
+    ACA("ACA", 7446),
+    IKEDA("Ikeda","Ikeda Works", 7447),
+    BUTLIN("Butlin", 7452),
+    TAKAHASHI_KIKAI_SANGYO("Takahashi Kikai Sangyo", 7472),
+    DYNAMIC("Dynamic Attractions", 7489),
+    GOLDEN_HORSE("Golden Horse", 7492),
+    WIEGAND("Wiegand", "Josef Wiegand GmbH & Co. KG", 7514),
+    ASCOT("Ascot Design", 7530),
+    DAL_AMUSEMENT_RIDES("DAL Amusement Rides Company", 7536),
+    CHILDRESS_COASTER("Childress Coaster", 7550),
+    CORDES_HOLZBAU("Cordes Holzbau", 7563),
+    FRONTIER_CONSTRUCTION("Frontier Construction Company", 7566),
+    DEBRINQUEDO("DeBrinquedo", 7567),
+    ZHEJIANG_JUMA_AMUSEMENT_EQUIPMENT("Zhejiang Juma Amusement Equipment Co., Ltd.", 7573),
+    SAEKI("Saeki", 7582),
+    KUMBAK("KumbaK","""KumbaK "The Amusement Engineers"""", 7608),
+    PINTO_BROTHERS("Pinto Brothers", 7657),
+    CEDEAL("Cedeal Rides", 7688),
+    DOPPELMAYR("Doppelmayr", 7700),
+    TANIGUCHI_SEISAKUSHO("Taniguchi Seisakusho", 7711),
+    SAMECO("Sameco", 7718),
+    SUL_PARK("Sul Park", 7728),
+    SECOND_AVENUE_TRACTION("Second Avenue Traction Company", 7738),
+    GOSETTO("Gosetto", 7761),
+    LEVENT_LUNAPARK("Levent Lunapark", 7839),
+    VAFAEI("Vafaei Rides", 7953),
+    VOSTOK("Vostok", 7959),
+    PARKASH_AMUSEMENTS("Parkash Amusements", 7963),
+    HEBEI_ZHONGYE_METALLURGICAL_EQUIPMENT_MANUFACTURING("Hebei Zhongye Metallurgical Equipment Manufacturing Co., Ltd", 7980),
+    R_AND_R("R&R", 8006),
+    ABC("abc", "abc rides", 8026), // Not a test object
+    TECHNICAL_PARK("Technical Park", 8046),
+    ROBLES_BOUSO("Robles Bouso Atracciones", 8057),
+    SAFECO("Safeco", 8063),
+    OKOBOJI("Okoboji Coaster Company", 8066),
+    OUTDOOR_AMUSEMENT("Outdoor Amusement Enterprise", "Outdoor Amusement Enterprise, Inc.", 8069),
+    BARTLING("Bartling", 8617),
+    BEIJING_JIUHUA_AMUSEMENT_RIDES_MANUFACTURING("Beijing Jiuhua Amusement Rides Manufacturing Co., Ltd.", 8765),
+    QIN_LONG("Qin Long", 8769),
+    CHANG_LONG("Chang Long", 8770),
+    JINFENG("Jinfeng", 9061),
+    NANFANG_AMUSEMENT_RIDES("Nanfang Amusement Rides Co.", 9069),
+    GG("Gravity Group", "Gravitykraft Corporation", 9225),
+    JINXIN_CREDIT("Jinxin Credit", 9279),
+    GUANGDONG_ZHONGSHAN_KANGLE_ENTERTAINMENT("Guangdong Zhongshan Kangle Entertainment Co. Ltd", 9364),
+    CHENGDU_XINDU_XINAN_PLAYINGMENT("Chengdu Xindu Xin'an Playingment", 9374),
+    ANALOG("Analog", 9522),
+    SAU_CON("Sấu Con", 9606),
+    FUN_RIDES_TECH("Fun Rides Tech", 10162),
+    DOUBLE_GRIP_TUBULAR_STEEL_AMUSEMENT_DEVICES("Double Grip Tubular Steel Amusement Devices Ltd.", 10275),
+    NOVA_ATRACOES("Nova Atrações", 10288),
+    HOPKINS_AND_PEARCE("Hopkins & Pearce", 10575),
+    RAINBOW("Rainbow Rides", 10638),
+    JINGBEI_AMUSEMENT_EQUIPMENT("Jingbei Amusement Equipment Co., Ltd.", 10699),
+    RADAR_PLAY("Radar Play", 10854),
+    DIVERMAX_ENTRETENIMENTO("Divermax Entretenimento", 10865),
+    FUN_XIAN_MACHINERY_MANUFACTURING_RANGER("Fun Xian Machinery Manufacturing Ranger Company", 10888),
+    CHANGHONG_ENTERTAINMENT_MACHINERY("Changhong Entertainment Machinery Co., Ltd.", 10951),
+    BAODING_HENGRUI_YOULE_JUXIE("Baoding Hengrui Youle Juxie Co., Ltd", 10966),
+    ZHONGSHAN_PLAYGROUND_EQUIPMENT_ENGINEERING("Zhongshan Playground Equipment Engineering Co., Ltd.", 11014),
+    SHANGHAI_QINGPU("Shanghai Qingpu", 11015),
+    GARCIA_BRINQUEDOS("Garcia Brinquedos", 11258),
+    BOMBAY_AMUSEMENT_RIDE("Bombay Amusement Ride, Limited", 11358),
+    YUNHAI_YOUYI("Yunhai Youyi", 11971),
+    ART_ENGINEERING("ART", "ART Engineering GmbH", 12029),
+    ZHIPAO("Zhipao", 12208),
+    GUOHUI_MACHINERY("Guohui Machinery", 12215),
+    CEZARY_BOROWIAK("Cezary Borowiak", 12595),
+    BRANDAUER("Brandauer", 12645),
+    NEW_HORSE("New Horse", 12656),
+    GROS("Gros", 12908),
+    AQUATIC_DEVELOPMENT_GROUP("Aquatic Development Group", 12962),
+    WUHAN_FUTE_AMUSEMENT_RIDES("Wuhan Fute Amusement Rides", 13779),
+    PRETZEL_AMUSEMENT_RIDE("Pretzel Amusement Ride Company", 14023),
+    CETI("CETI", 14170),
+    SC_ITALY("S.C. Italy", 14376),
+    XIAN_BAOLIU_PLAYGROUND_EQUIPMENT("Xi'an Baoliu Playground Equipment Factory", 14386),
+    PETER_PETZ("Peter Petz", 14428),
+    BEIJING_NORTH_RONGDA_AMUSEMENT_EQUIPMENT("Beijing North Rongda Amusement Equipment Co.,Ltd", 14436),
+    MADHU_AMUSEMENTS_AND_LEISURE_CONCEPTS("Madhu Amusements & Leisure Concepts", 14688),
+    MASTER_PARK("Master Park", 14787),
+    TECHFUN("Techfun", 14793),
+    STEIN("Stein", 14802),
+    ERBSCHLOE_FUN("Erbschloe Fun Construct", 14848),
+    JAHN_CONSTRUCTION("Jahn Construction Co.", 14909),
+    ZHONGSHAN_JINBO_RECREATION_EQUIPMENT("Zhongshan Jinbo Recreation Equipment Co.", 14952),
+    GUVEN_LUNAPARK("Güven Lunapark", 14971),
+    MOUNTAIN_SYSTEMS("Mountain Systems GmbH", 14979),
+    STAHL_HACKSTEINER("Stahl-Hacksteiner-Metall GmbH", 15084),
+    ZHENGZHOU_LIMEIQI_AMUSEMENT_EQUIPMENT("Zhengzhou Limeiqi Amusement Equipment Co., Ltd", 15198),
+    A_BRINQUEDOS("A Brinquedos", 15358),
+    METAL_PARK("Metal Park", 15359),
+    BEIJING_CHEN_JINYING_AMUSEMENT_EQUIPMENT("Beijing Chen Jinying Amusement Equipment", 15597),
+    SKYLINE_ATTRACTIONS("Skyline Attractions", 15673),
+    SUN_SHIYOULE("Sun Shiyoule", 15728),
+    NITTO_FUN("Nitto Fun", 15918),
+    RIDE_ENGINEERS_SWITZERLAND("RES", "Ride Engineers Switzerland", 15977),
+    IRAN_PARK("Iran Park", 15986),
+    WILLIAMS_AMUSEMENT_DEVICE("Williams Amusement Device Company", 16153),
+    YAMASAKUTALAB("Yamasakutalab", 16385),
+    ZHENGZHOU_SHANGDIAN_MACHINERY_EQUIPMENT("Zhengzhou Shangdian Machinery Equipment Co., Ltd.", 16448),
+    HUATONG_TAIKE_AMUSEMENT_EQUIPMENT("Huatong Taike Amusement Equipment Co., Ltd.", 16455),
+    MECPOWER("Mecpower", 16555),
+    MODERN_AMUSEMENT("Modern Amusement Group", 16578),
+    EXTREME_ENGINEERING("Extreme Engineering", 16800),
+    MAXWELL_AND_SONS("Maxwell & Sons", 16877),
+    TECHNIKA_KULTURY("Technika Kultury LLC", 17015),
+    ZHONGSHAN_SUPERGAME_AMUSEMENT_MACHINE("Zhongshan Supergame Amusement Machine Co.,LTD", 17377),
+    ZHEJIANG_PENGMING_AMUSEMENT_EQUIPMENT("Zhejiang Pengming Amusement Equipment Co., Ltd.", 17388),
+    GOLDEN_KOALA_AMUSEMENT_EQUIPMENT("Golden Koala Amusement Equipment Co. Ltd.", 17477),
+    HEBEI_TIANHONG_AMUSEMENT_EQUIPMENT("Hebei Tianhong Amusement Equipment Company", 17513),
+    KING("King", 17528),
+    TAIZHOU_BAOLU_MACHINERY("Taizhou Baolu Machinery", 17900),
+    YEISK_PLANT_ATTRACTION("Yeisk Plant Attraction", 18040),
+    HEBEI_H_AND_S_AMUSEMENT_EQUIPMENT("Hebei H&S Amusement Equipment Co, LTD.", 18205),
+    GOLDEN_DRAGON_AMUSEMENT("Golden Dragon Amusement Group", 18224),
+
+
+
     INTAMIN("Intamin", "Intamin Amusement Rides", 6837),
     VEKOMA("Vekoma", 6836),
     MACK("Mack Rides", "Mack Rides GmbH & Co KG", 6856),

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

@@ -2,18 +2,19 @@ package de.pheerai.rcdbquery.dsl
 
 import de.pheerai.rcdbquery.dataMappings.*
 
-inline class RcdbQueryParams(val params: Map<String, List<Int>>)
+inline class RcdbQueryParams(val params: Map<String, List<String>>)
 class RcdbQueryParamsBuilder {
-    // TODO: Somewhat wrap away, then use param of one option.
+    // TODO: Make way for single-valued params as well
-    private val params:  MutableMap<String, List<RcdbParamOption>> = mutableMapOf()
+    private val params: MutableMap<String, List<RcdbParamOption<Any>>> = mutableMapOf()
 
+    // TODO: Validate that search type is set
     fun build() = RcdbQueryParams(
         params
             .filter { it.value.isNotEmpty() }
-            .mapValues { e -> e.value.map { o -> o.paramId } }
+            .mapValues { e -> e.value.map { o -> o.paramValue.toString() } }
     )
 
-    operator fun set(paramName: String, options: List<RcdbParamOption>) {
+    operator fun set(paramName: String, options: List<RcdbParamOption<Any>>) {
         when (paramName) {
             "order" -> if (this.params.containsKey(paramName)) {
                 this.params[paramName] = this.params[paramName].append(options)
@@ -24,7 +25,12 @@ class RcdbQueryParamsBuilder {
         }
     }
 
-    private fun List<RcdbParamOption>?.append(options: List<RcdbParamOption>) = this?.toMutableList()?.also { it.addAll(options) } ?: options
+    operator fun get(paramName: String) = this.params[paramName]
+
+    private fun List<RcdbParamOption<Any>>?.append(options: List<RcdbParamOption<Any>>) =
+        this?.toMutableList()?.also { it.addAll(options) } ?: options
+
+    fun keys() = this.params.keys.toSet()
 }
 
 fun rcdbQuery(body: RcdbQueryParamsBuilder.() -> RcdbQueryParamsBuilder) =
@@ -34,7 +40,7 @@ data class RcdbUrlQuery(val baseUrl: String, val params: RcdbQueryParams) {
     override fun toString(): String {
         return params.params
             .asSequence()
-            .map{ e -> e.key to e.value.joinToString(separator = ",")  }
+            .map { e -> e.key to e.value.joinToString(separator = ",") }
             .map { p -> "${p.first}=${p.second}" }
             .joinToString(prefix = baseUrl, separator = "&")
     }
@@ -46,29 +52,103 @@ fun rcdbQueryParams(body: RcdbQueryParamsBuilder.() -> RcdbQueryParamsBuilder):
     return builder.build()
 }
 
-/* TODO: Even better typing (usage of
+// TODO: Find way to only have one generic parameter
- * ```
+sealed class RcdbParamOptionBuilder<out U : Any, T : RcdbParamOption<U>> {
- * vendors {
+    private val paramList: MutableList<T> = mutableListOf()
- *   vekoma()
- *   intamin()
- *   of(Vendors.PRESTON_AND_BARBIERI)
- * }
- * ```
- * instead.
- * Maybe use inline class for MutableList / List?
- */
-fun RcdbQueryParamsBuilder.vendors(vendors: List<Vendor>) = apply { this[Vendor.staticParamName] = vendors }
 
-fun RcdbQueryParamsBuilder.vendors(vararg vendors: Vendor) = this.vendors(vendors.asList())
+    open fun add(param: T): RcdbParamOptionBuilder<U, T> {
+        paramList.add(param)
+        return this
+    }
 
-fun RcdbQueryParamsBuilder.sortBy(orders: List<Order>) = apply {
+    fun build() = paramList.toList()
-    this[Order.staticParamName] =orders
 }
 
-fun RcdbQueryParamsBuilder.sortBy(vararg orders: Order) = this.sortBy(orders.asList())
+//region Vendors
+class VendorBuilder : RcdbParamOptionBuilder<Int, Vendor>() {
+    override fun add(param: Vendor): VendorBuilder {
+        super.add(param)
+        return this
+    }
+}
 
-fun RcdbQueryParamsBuilder.searchFor(searchType: SearchType) =
+fun RcdbQueryParamsBuilder.vendors(body: VendorBuilder.() -> VendorBuilder): RcdbQueryParamsBuilder {
-    apply { this[SearchType.staticParamName] = listOf(searchType) }
+    val builder = VendorBuilder()
+    builder.body()
+    this[Vendor.staticParamName] = builder.build()
+    return this
+}
 
-fun RcdbQueryParamsBuilder.custom(paramName: String, values: List<RcdbParamOption>) = apply { this[paramName] = values }
+fun VendorBuilder.of(vendor: Vendor) = this.add(vendor)
-fun RcdbQueryParamsBuilder.custom(paramName: String, vararg values: RcdbParamOption) = apply { this[paramName] = values.asList() }
+fun VendorBuilder.vekoma() = this.add(Vendor.VEKOMA)
+fun VendorBuilder.intamin() = this.add(Vendor.INTAMIN)
+fun VendorBuilder.mack() = this.add(Vendor.MACK)
+fun VendorBuilder.bandm() = this.add(Vendor.B_AND_M)
+fun VendorBuilder.gerstlauer() = this.add(Vendor.GERSTLAUER)
+//endregion
+
+//region Order
+class OrderBuilder : RcdbParamOptionBuilder<Int, Order>() {
+    override fun add(param: Order): OrderBuilder {
+        super.add(param)
+        return this
+    }
+}
+
+fun RcdbQueryParamsBuilder.sortBy(body: OrderBuilder.() -> OrderBuilder): RcdbQueryParamsBuilder {
+    val builder = OrderBuilder()
+    builder.body()
+    this[Order.staticParamName] = builder.build()
+    return this
+}
+
+fun OrderBuilder.of(order: Order) = this.add(order)
+fun OrderBuilder.manufacturer() = this.add(Order.MANUFACTURER)
+fun OrderBuilder.inversion() = this.add(Order.INVERSIONS)
+//endregion
+
+//region Search type
+fun RcdbQueryParamsBuilder.searchFor(searchType: SearchType) {
+    if (SearchType.staticParamName !in this.keys()) {
+        this[SearchType.staticParamName] = listOf(searchType)
+    } else {
+        error(
+            """Only one search type must ever be set
+            |   Old type: ${this[SearchType.staticParamName]!![0].prettyName}
+            |   New type: ${searchType.prettyName}""".trimMargin()
+        )
+    }
+}
+//endregion
+
+//region Search Term
+fun RcdbQueryParamsBuilder.searchTerm(term: String) {
+    if (SearchTerm.staticParamName !in this.keys()) {
+        this[SearchTerm.staticParamName] = listOf(SearchTerm(term))
+    } else {
+        error(
+            """Only one search term must ever be set
+            |   Old term: ${this[SearchTerm.staticParamName]!![0].paramValue}
+            |   New term: $term""".trimMargin()
+        )
+    }
+}
+//endregion
+
+//region Unknown fields
+@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)",
+    ReplaceWith("sortBy"), DeprecationLevel.ERROR
+)
+fun RcdbQueryParamsBuilder.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)")
+
+@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)",
+    ReplaceWith("sortBy"), DeprecationLevel.ERROR
+)
+fun RcdbQueryParamsBuilder.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)")
+//endregion

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

@@ -11,15 +11,15 @@ class RcdbQueryDslTest {
         assertEquals(
             "https://www.rcdb.com/r.htm?mk=6836,6856,6905&order=24,30",
             rcdbQuery {
-                vendors(
+                vendors {
-                    Vendor.VEKOMA,
+                    vekoma()
-                    Vendor.MACK,
+                    mack()
-                    Vendor.MAURER
+                    of(Vendor.MAURER)
-                )
+                }
-                sortBy(
+                sortBy {
-                    Order.INVERSIONS,
+                    inversion()
-                    Order.MANUFACTURER
+                    manufacturer()
-                )
+                }
             }
         )
     }