Implement participant rest controller

src/main/kotlin/ch/schulealtendorf/sporttagpsa/business/clazz/ClassManager.kt

@@ -70,4 +70,12 @@ interface ClassManager {
      * @param clazz the class to save
      */
     fun saveClass(clazz: Clazz)
+
+    /**
+     * A pending participation means, if any participant of the given {@code clazz}
+     * as no sport.
+     *
+     * @return true if the class has pending participation, otherwise false
+     */
+    fun hasPendingParticipation(clazz: Clazz): Boolean
 }

src/main/kotlin/ch/schulealtendorf/sporttagpsa/business/clazz/DefaultClassManager.kt

@@ -90,12 +90,17 @@ class DefaultClassManager(
         TODO("not implemented") //To change body of created functions use File | Settings | File Templates.
     }
 
-    private fun ClazzEntity.pendingParticipation() = competitorRepository.findByClazzName(this.name).any { it.sport == null }
+    /**
+     * A pending participation means, if any participant of the given {@code clazz}
+     * as no sport.
+     *
+     * @return true if the class has pending participation, otherwise false
+     */
+    override fun hasPendingParticipation(clazz: Clazz) = competitorRepository.findByClazzName(clazz.name).any { it.sport == null }
 
     private fun ClazzEntity.map(): Clazz {
         return Clazz(
                 name,
-                Coach(coach.id!!, coach.name),
-                pendingParticipation())
+                Coach(coach.id!!, coach.name))
     }
 }

src/main/kotlin/ch/schulealtendorf/sporttagpsa/controller/rest/RestModels.kt

@@ -0,0 +1,151 @@
+/*
+ * Copyright (c) 2018 by Nicolas Märchy
+ *
+ * This file is part of Sporttag PSA.
+ *
+ * Sporttag PSA is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * Sporttag PSA is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with Sporttag PSA.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ * Diese Datei ist Teil von Sporttag PSA.
+ *
+ * Sporttag PSA ist Freie Software: Sie können es unter den Bedingungen
+ * der GNU General Public License, wie von der Free Software Foundation,
+ * Version 3 der Lizenz oder (nach Ihrer Wahl) jeder späteren
+ * veröffentlichten Version, weiterverbreiten und/oder modifizieren.
+ *
+ * Sporttag PSA wird in der Hoffnung, dass es nützlich sein wird, aber
+ * OHNE JEDE GEWÄHRLEISTUNG, bereitgestellt; sogar ohne die implizite
+ * Gewährleistung der MARKTFÄHIGKEIT oder EIGNUNG FÜR EINEN BESTIMMTEN ZWECK.
+ * Siehe die GNU General Public License für weitere Details.
+ *
+ * Sie sollten eine Kopie der GNU General Public License zusammen mit diesem
+ * Programm erhalten haben. Wenn nicht, siehe <http://www.gnu.org/licenses/>.
+ *
+ *
+ */
+
+package ch.schulealtendorf.sporttagpsa.controller.rest
+
+import javax.validation.constraints.NotNull
+
+/*
+ * Because POJOs for Spring Rest Controller needs to have a default parameter
+ * and we can validate our POJOs with Spring Annotations, we make every property nullable
+ * and initialize it with null (like in Java where null-safe does not exist).
+ *
+ * If a property is required we annotate it with @NotNull, in order to validate it with Spring.
+ */
+
+/**
+ * @author nmaerchy <billedtrain380@gmail.com>
+ * @since 2.0.0
+ */
+data class RestClass(
+
+        @NotNull
+        var name: String? = null,
+
+        @NotNull
+        var coach: String? = null,
+
+        @NotNull
+        var pendingParticipation: Boolean? = null
+)
+
+/**
+ * @author nmaerchy <billedtrain380@gmail.com>
+ * @since 2.0.0
+ */
+data class RestTown(
+
+        @NotNull
+        var id: Int? = null,
+
+        @NotNull
+        var zip: String? = null,
+
+        @NotNull
+        var name: String? = null
+)
+
+/**
+ * @author nmaerchy <billedtrain380@gmail.com>
+ * @since 2.0.0
+ */
+data class RestParticipant(
+
+        @NotNull
+        var id: Int? = null,
+
+        @NotNull
+        var surname: String? = null,
+
+        @NotNull
+        var prename: String? = null,
+
+        @NotNull
+        var gender: Boolean? = null,
+
+        @NotNull
+        var birthday: Long? = null,
+
+        @NotNull
+        var absent: Boolean? = null,
+
+        @NotNull
+        var address: String? = null,
+
+        @NotNull
+        var town: RestTown? = null,
+
+        @NotNull
+        var clazz: RestClass? = null,
+
+        @NotNull
+        var sport: String? = null
+)
+
+/**
+ * @author nmaerchy <billedtrain380@gmail.com>
+ * @since 2.0.0
+ */
+data class RestPutParticipant(
+
+        @NotNull
+        var surname: String? = null,
+
+        @NotNull
+        var prename: String? = null,
+
+        @NotNull
+        var gender: Boolean? = null,
+
+        @NotNull
+        var birthday: Long? = null,
+
+        @NotNull
+        var address: String? = null,
+
+        @NotNull
+        var absent: Boolean? = null
+)
+
+/**
+ * @author nmaerchy <billedtrain380@gmail.com>
+ * @since 2.0.0
+ */
+data class RestPatchParticipant(
+        var town: RestTown? = null,
+        var clazz: RestClass? = null,
+        var sport: String? = null
+)

src/main/kotlin/ch/schulealtendorf/sporttagpsa/controller/rest/clazz/ClassController.kt

@@ -38,6 +38,7 @@ package ch.schulealtendorf.sporttagpsa.controller.rest.clazz
 
 import ch.schulealtendorf.sporttagpsa.business.clazz.ClassManager
 import ch.schulealtendorf.sporttagpsa.controller.rest.BadRequestException
+import ch.schulealtendorf.sporttagpsa.controller.rest.RestClass
 import ch.schulealtendorf.sporttagpsa.model.Clazz
 import org.springframework.http.MediaType
 import org.springframework.web.bind.annotation.GetMapping
@@ -56,12 +57,24 @@ class ClassController(
 ) {
 
     @GetMapping("/classes", produces = [MediaType.APPLICATION_JSON_VALUE])
-    fun getAllClasses() = classManager.getAllClasses()
+    fun getAllClasses(): List<RestClass> {
+        return classManager.getAllClasses()
+                .map { it.map() }
+    }
 
     @GetMapping("/class/{class_id}", produces = [MediaType.APPLICATION_JSON_VALUE])
-    fun getClass(@PathVariable("class_id") classId: String): Clazz {
+    fun getClass(@PathVariable("class_id") classId: String): RestClass {
+
+        val clazz = classManager.getClass(classId).orElseThrow { BadRequestException("Could not find class with id '$classId'") }
+
+        return clazz.map()
+    }
 
-        val clazz = classManager.getClass(classId)
-        return clazz.orElseThrow { BadRequestException("Could not find class with id '$classId'") }
+    private fun Clazz.map(): RestClass {
+        return RestClass(
+                name,
+                coach.name,
+                classManager.hasPendingParticipation(this)
+        )
     }
 }

src/main/kotlin/ch/schulealtendorf/sporttagpsa/controller/rest/participant/ParticipantController.kt

@@ -36,16 +36,154 @@
 
 package ch.schulealtendorf.sporttagpsa.controller.rest.participant
 
-import org.springframework.web.bind.annotation.RestController
+import ch.schulealtendorf.sporttagpsa.business.clazz.ClassManager
+import ch.schulealtendorf.sporttagpsa.business.participant.ParticipantManager
+import ch.schulealtendorf.sporttagpsa.controller.rest.*
+import ch.schulealtendorf.sporttagpsa.model.*
+import org.springframework.http.MediaType
+import org.springframework.web.bind.annotation.*
+import javax.validation.Valid
 
 /**
+ * Rest controller for the participants.
+ *
  * @author nmaerchy <billedtrain380@gmail.com>
  * @since 2.0.0
  */
 @RestController
-class ParticipantController() {
+class ParticipantController(
+        private val participantManager: ParticipantManager,
+        private val classManager: ClassManager
+) {
+
+    @GetMapping("/participants", produces = [MediaType.APPLICATION_JSON_VALUE])
+    fun getAllParticipants(@RequestParam("class", required = false) clazzName: String?): List<RestParticipant> {
+
+        if (clazzName == null) {
+            return participantManager.getAllParticipants().map { it.map() }
+        }
+
+        val clazz = classManager.getClass(clazzName).orElseThrow { BadRequestException("Could not find class with name '$clazzName'") }
+
+        return participantManager.getAllParticipants(clazz).map { it.map() }
+    }
+
+    @PostMapping("/participant")
+    fun addParticipant() {
+        TODO("This request is not supported yet")
+    }
+
+    @GetMapping("/participant/{participant_id}")
+    fun getParticipant(@PathVariable("participant_id") participantId: Int): RestParticipant {
+
+        return participantManager.getParticipant(participantId)
+                .map { it.map() }
+                .orElseThrow { BadRequestException("Could not find participant with id '$participantId'") }
+    }
+
+    @PutMapping("/participant/{participant_id}")
+    fun updateParticipant(@PathVariable("participant_id") participantId: Int, @Valid @RequestBody restParticipant: RestPutParticipant) {
+
+        val participant = participantManager.getParticipant(participantId)
+                .orElseThrow { BadRequestException("Could not find participant with id '$participantId'") }
+
+        val updatedParticipant = participant.copy(
+                surname = restParticipant.surname!!,
+                prename = restParticipant.prename!!,
+                gender = Gender(restParticipant.absent!!),
+                birthday = Birthday(restParticipant.birthday!!),
+                address = restParticipant.address!!,
+                absent = restParticipant.absent!!
+        )
+
+        participantManager.saveParticipant(updatedParticipant)
+    }
+
+    @PatchMapping("/participant/{participant_id}")
+    fun updateParticipant(@PathVariable("participant_id") participantId: Int, @Valid @RequestBody restParticipant: RestPatchParticipant) {
+
+        if (restParticipant.clazz == null && restParticipant.town == null && restParticipant.sport == null) {
+            throw BadRequestException("Missing either 'clazz', 'town' or 'sport' in request body.")
+        }
+
+        val participant = participantManager.getParticipant(participantId)
+                .orElseThrow { BadRequestException("Could not find participant with id '$participantId'") }
+
+        if (restParticipant.clazz != null) {
+            val clazz = classManager.getClass(restParticipant.clazz!!.name!!)
+                    .orElseThrow { BadRequestException("Could not find class with name''${restParticipant.clazz!!.name}") }
+            participant.update(clazz)
+        }
+
+        if (restParticipant.sport != null) {
+            participant.update(restParticipant.sport!!)
+        }
+
+        if (restParticipant.town != null) {
+            participant.update(restParticipant.town!!)
+        }
+    }
+
+    private fun Participant.update(sport: String) {
+        participantManager.saveParticipant(
+                this.copy(
+                        sport = java.util.Optional.of(sport)
+                )
+        )
+    }
+
+    private fun Participant.update(town: RestTown) {
+        participantManager.saveParticipant(
+                this.copy(
+                        town = town.map()
+                )
+        )
+    }
+
+    private fun Participant.update(clazz: Clazz) {
+        participantManager.saveParticipant(
+                this.copy(
+                        clazz = clazz
+                )
+        )
+    }
+
+    private fun Participant.map(): RestParticipant {
+        return RestParticipant(
+                id,
+                surname,
+                prename,
+                gender.value,
+                birthday.milliseconds,
+                absent,
+                address,
+                town.map(),
+                clazz.map(),
+                sport.orElse(null)
+        )
+    }
+
+    private fun Clazz.map(): RestClass {
+        return RestClass(
+                name,
+                coach.name,
+                classManager.hasPendingParticipation(this)
+        )
+    }
+
+    private fun Town.map(): RestTown {
+        return RestTown(
+                id,
+                zip,
+                name
+        )
+    }
 
-    fun getAllParticipants(): List<RestParticipant> {
-        TODO("not implemented yet")
+    private fun RestTown.map(): Town {
+        return Town(
+                id!!,
+                zip!!,
+                name!!
+        )
     }
 }