#25 Migrate material types to new logic

2022-03-01 22:47:15 -05:00 · 2022-03-01 22:47:15 -05:00 · d785cfdbe7
parent 0e97fef70e
commit d785cfdbe7
23 changed files with 575 additions and 486 deletions
--- a/src/main/kotlin/dev/fyloz/colorrecipesexplorer/Constants.kt
+++ b/src/main/kotlin/dev/fyloz/colorrecipesexplorer/Constants.kt
@ -2,13 +2,14 @@ package dev.fyloz.colorrecipesexplorer

 object Constants {
    object ControllerPaths {
-        const val file = "/api/file"
-        const val material = "/api/material"
+        const val FILE = "/api/file"
+        const val MATERIAL = "/api/material"
+        const val MATERIAL_TYPE = "/api/materialtype"
    }

    object FilePaths {
-        const val pdfs = "pdf"
+        const val PDF = "pdf"

-        const val simdut = "$pdfs/simdut"
+        const val SIMDUT = "$PDF/simdut"
    }
 }
--- a/src/main/kotlin/dev/fyloz/colorrecipesexplorer/config/initializers/MaterialTypeInitializer.kt
+++ b/src/main/kotlin/dev/fyloz/colorrecipesexplorer/config/initializers/MaterialTypeInitializer.kt
@ -2,8 +2,8 @@ package dev.fyloz.colorrecipesexplorer.config.initializers

 import dev.fyloz.colorrecipesexplorer.config.annotations.RequireDatabase
 import dev.fyloz.colorrecipesexplorer.config.properties.MaterialTypeProperties
+import dev.fyloz.colorrecipesexplorer.dtos.MaterialTypeDto
 import dev.fyloz.colorrecipesexplorer.logic.MaterialTypeLogic
-import dev.fyloz.colorrecipesexplorer.model.MaterialType
 import mu.KotlinLogging
 import org.springframework.context.annotation.Configuration

@ -23,18 +23,17 @@ class MaterialTypeInitializer(

    private fun ensureSystemMaterialTypesExists() {
        val systemTypes = materialTypeProperties.systemTypes.map { it.toMaterialType() }
-        val oldSystemTypes = materialTypeLogic.getAllSystemTypes().toMutableSet()
+        val oldSystemTypes = materialTypeLogic.getAll(true).toMutableSet()

-        fun saveOrUpdateSystemType(type: MaterialType) {
-            if (materialTypeLogic.existsByName(type.name)) {
-                with(materialTypeLogic.getByName(type.name)) {
-                    if (!this.systemType) {
+        fun saveOrUpdateSystemType(type: MaterialTypeDto) {
+            val storedMaterialType = materialTypeLogic.getByName(type.name)
+            if (storedMaterialType != null) {
+                if (!storedMaterialType.systemType) {
                    logger.info("Material type '${type.name}' already exists and will be flagged as a system type")
-                        materialTypeLogic.update(this.copy(systemType = true))
+                    materialTypeLogic.update(storedMaterialType.copy(systemType = true))
                } else {
                    logger.debug("System material type '${type.name}' already exists")
                }
-                }
            } else {
                logger.info("System material type '${type.name}' will be created")
                materialTypeLogic.save(type)
@ -50,7 +49,7 @@ class MaterialTypeInitializer(
        // Remove old system types
        oldSystemTypes.forEach {
            logger.info("Material type '${it.name}' is not a system type anymore")
-            materialTypeLogic.updateSystemType(it.copy(systemType = false))
+            materialTypeLogic.updateNonSystemType(it.copy(systemType = false))
        }
    }
 }
--- a/src/main/kotlin/dev/fyloz/colorrecipesexplorer/config/properties/MaterialTypeProperties.kt
+++ b/src/main/kotlin/dev/fyloz/colorrecipesexplorer/config/properties/MaterialTypeProperties.kt
@ -1,5 +1,6 @@
 package dev.fyloz.colorrecipesexplorer.config.properties

+import dev.fyloz.colorrecipesexplorer.dtos.MaterialTypeDto
 import dev.fyloz.colorrecipesexplorer.model.MaterialType
 import dev.fyloz.colorrecipesexplorer.model.materialType
 import org.springframework.boot.context.properties.ConfigurationProperties
@ -16,9 +17,9 @@ class MaterialTypeProperties {
      var prefix: String = "",
      var usePercentages: Boolean = false
    ) {
-        fun toMaterialType(): MaterialType {
+        fun toMaterialType(): MaterialTypeDto {
            Assert.hasText(name, "A system material type has an empty name")
-            return materialType(name = name, prefix = prefix, usePercentages = usePercentages, systemType = true)
+            return MaterialTypeDto(name = name, prefix = prefix, usePercentages = usePercentages, systemType = true)
        }
    }
 }
--- a/src/main/kotlin/dev/fyloz/colorrecipesexplorer/dtos/MaterialDto.kt
+++ b/src/main/kotlin/dev/fyloz/colorrecipesexplorer/dtos/MaterialDto.kt
@ -1,6 +1,5 @@
 package dev.fyloz.colorrecipesexplorer.dtos

-import dev.fyloz.colorrecipesexplorer.model.MaterialType
 import org.springframework.web.multipart.MultipartFile
 import javax.validation.constraints.Min
 import javax.validation.constraints.NotBlank
@ -14,7 +13,7 @@ data class MaterialDto(

    val isMixType: Boolean,

-    val materialType: MaterialType,
+    val materialType: MaterialTypeDto,

    val simdutUrl: String? = null
 ) : EntityDto
--- a/src/main/kotlin/dev/fyloz/colorrecipesexplorer/dtos/MaterialTypeDto.kt
+++ b/src/main/kotlin/dev/fyloz/colorrecipesexplorer/dtos/MaterialTypeDto.kt
@ -0,0 +1,13 @@
+package dev.fyloz.colorrecipesexplorer.dtos
+
+data class MaterialTypeDto(
+    override val id: Long = 0L,
+
+    val name: String,
+
+    val prefix: String,
+
+    val usePercentages: Boolean,
+
+    val systemType: Boolean = false
+) : EntityDto
--- a/src/main/kotlin/dev/fyloz/colorrecipesexplorer/logic/Logic.kt
+++ b/src/main/kotlin/dev/fyloz/colorrecipesexplorer/logic/Logic.kt
@ -19,13 +19,13 @@ interface Logic<D : EntityDto, S : Service<D, *, *>> {
    /** Get all DTOs. */
    fun getAll(): Collection<D>

-    /** Get the DTO for the given [id]. */
+    /** Get the DTO for the given [id]. Throws if no DTO were found. */
    fun getById(id: Long): D

    /** Saves the given [dto]. */
    fun save(dto: D): D

-    /** Updates the given [dto]. */
+    /** Updates the given [dto]. Throws if no DTO with the same id exists. */
    fun update(dto: D): D

    /** Deletes the dto with the given [id]. */
--- a/src/main/kotlin/dev/fyloz/colorrecipesexplorer/logic/MaterialTypeLogic.kt
+++ b/src/main/kotlin/dev/fyloz/colorrecipesexplorer/logic/MaterialTypeLogic.kt
@ -1,88 +1,75 @@
 package dev.fyloz.colorrecipesexplorer.logic

-import dev.fyloz.colorrecipesexplorer.config.annotations.RequireDatabase
-import dev.fyloz.colorrecipesexplorer.model.*
-import dev.fyloz.colorrecipesexplorer.model.validation.isNotNullAndNotBlank
-import dev.fyloz.colorrecipesexplorer.repository.MaterialTypeRepository
-import org.springframework.stereotype.Service
+import dev.fyloz.colorrecipesexplorer.config.annotations.LogicComponent
+import dev.fyloz.colorrecipesexplorer.dtos.MaterialTypeDto
+import dev.fyloz.colorrecipesexplorer.exception.CannotUpdateException
+import dev.fyloz.colorrecipesexplorer.model.MaterialType
+import dev.fyloz.colorrecipesexplorer.service.MaterialTypeService

-interface MaterialTypeLogic :
-    ExternalNamedModelService<MaterialType, MaterialTypeSaveDto, MaterialTypeUpdateDto, MaterialType, MaterialTypeRepository> {
-    /** Checks if a material type with the given [prefix] exists. */
-    fun existsByPrefix(prefix: String): Boolean
+interface MaterialTypeLogic : Logic<MaterialTypeDto, MaterialTypeService> {
+    /** Gets all material types which are or not [systemType]s. */
+    fun getAll(systemType: Boolean): Collection<MaterialTypeDto>

-    /** Gets all system material types. */
-    fun getAllSystemTypes(): Collection<MaterialType>
+    /** Gets the material type with the given [name]. */
+    fun getByName(name: String): MaterialTypeDto?

-    /** Gets all material types who are not a system type. */
-    fun getAllNonSystemType(): Collection<MaterialType>
-
-    /** Allows to update the given system [materialType], should not be exposed to users. */
-    fun updateSystemType(materialType: MaterialType): MaterialType
+    /** Updates the given [dto], and throws if it is a system types. */
+    fun updateNonSystemType(dto: MaterialTypeDto)
 }

-@Service
-@RequireDatabase
-class DefaultMaterialTypeLogic(repository: MaterialTypeRepository) :
-    AbstractExternalNamedModelService<MaterialType, MaterialTypeSaveDto, MaterialTypeUpdateDto, MaterialType, MaterialTypeRepository>(
-        repository
-    ), MaterialTypeLogic {
-    override fun idNotFoundException(id: Long) = materialTypeIdNotFoundException(id)
-    override fun idAlreadyExistsException(id: Long) = materialIdAlreadyExistsException(id)
-    override fun nameNotFoundException(name: String) = materialTypeNameNotFoundException(name)
-    override fun nameAlreadyExistsException(name: String) = materialTypeNameAlreadyExistsException(name)
+@LogicComponent
+class DefaultMaterialTypeLogic(service: MaterialTypeService) :
+    BaseLogic<MaterialTypeDto, MaterialTypeService>(service, MaterialType::class.simpleName!!), MaterialTypeLogic {
+    override fun getAll(systemType: Boolean) = service.getAll(systemType)
+    override fun getByName(name: String) = service.getByName(name)

-    override fun MaterialType.toOutput() = this
-
-    override fun existsByPrefix(prefix: String): Boolean = repository.existsByPrefix(prefix)
-
-    override fun getAllSystemTypes(): Collection<MaterialType> = repository.findAllBySystemTypeIs(true)
-    override fun getAllNonSystemType(): Collection<MaterialType> = repository.findAllBySystemTypeIs(false)
-
-    override fun save(entity: MaterialType): MaterialType {
-        if (existsByPrefix(entity.prefix))
-            throw materialTypePrefixAlreadyExistsException(entity.prefix)
-        return super<AbstractExternalNamedModelService>.save(entity)
-    }
-
-    override fun update(entity: MaterialTypeUpdateDto): MaterialType {
-        val persistedMaterialType by lazy { getById(entity.id) }
-
-        return update(with(entity) {
-            MaterialType(
-                id = id,
-                name = if (isNotNullAndNotBlank(name)) name else persistedMaterialType.name,
-                prefix = if (isNotNullAndNotBlank(prefix)) prefix else persistedMaterialType.prefix,
-                systemType = false
+    override fun updateNonSystemType(dto: MaterialTypeDto) {
+        if (service.existsById(dto.id, true)) {
+            throw CannotUpdateException(
+                typeNameLowerCase,
+                "Cannot update $typeNameLowerCase",
+                "Cannot update material type '${dto.name}' because it is a system material type"
            )
-        })
        }

-    override fun updateSystemType(materialType: MaterialType) =
-        update(materialType, true)
-
-    override fun update(entity: MaterialType) =
-        update(entity, false)
-
-    private fun update(entity: MaterialType, allowSystemTypes: Boolean): MaterialType {
-        if (!allowSystemTypes && repository.existsByIdAndSystemTypeIsTrue(entity.id!!)) {
-            throw cannotUpdateSystemMaterialTypeException(entity)
+        update(dto)
    }

-        with(repository.findByPrefix(entity.prefix)) {
-            if (this != null && id != entity.id)
-                throw materialTypePrefixAlreadyExistsException(entity.prefix)
+    override fun save(dto: MaterialTypeDto): MaterialTypeDto {
+        throwIfNameAlreadyExists(dto.name)
+        throwIfPrefixAlreadyExists(dto.prefix)
+
+        return super.save(dto)
    }

-        return super.update(entity)
+    override fun update(dto: MaterialTypeDto): MaterialTypeDto {
+        throwIfNameAlreadyExists(dto.name, dto.id)
+        throwIfPrefixAlreadyExists(dto.prefix, dto.id)
+
+        return super.update(dto)
    }

-    override fun delete(entity: MaterialType) {
-        if (repository.existsByIdAndSystemTypeIsTrue(entity.id!!)) {
-            throw cannotDeleteSystemMaterialTypeException(entity)
+    override fun deleteById(id: Long) {
+        if (service.isUsedByMaterial(id)) {
+            throw cannotDeleteException("Cannot delete material type with the id '$id' because one or more materials depends on it")
        }

-        if (!repository.canBeDeleted(entity.id)) throw cannotDeleteMaterialTypeException(entity)
-        super.delete(entity)
+        super.deleteById(id)
+    }
+
+    private fun throwIfNameAlreadyExists(name: String, id: Long? = null) {
+        if (service.existsByName(name, id)) {
+            throw alreadyExistsException(value = name)
+        }
+    }
+
+    private fun throwIfPrefixAlreadyExists(prefix: String, id: Long? = null) {
+        if (service.existsByPrefix(prefix, id)) {
+            throw alreadyExistsException(PREFIX_IDENTIFIER_NAME, prefix)
+        }
+    }
+
+    companion object {
+        const val PREFIX_IDENTIFIER_NAME = "prefix"
    }
 }
--- a/src/main/kotlin/dev/fyloz/colorrecipesexplorer/logic/MixLogic.kt
+++ b/src/main/kotlin/dev/fyloz/colorrecipesexplorer/logic/MixLogic.kt
@ -53,7 +53,7 @@ class DefaultMixLogic(
    override fun save(entity: MixSaveDto): Mix {
        val recipe = recipeLogic.getById(entity.recipeId)
        val materialType = materialTypeLogic.getById(entity.materialTypeId)
-        val mixType = mixTypeLogic.getOrCreateForNameAndMaterialType(entity.name, materialType)
+        val mixType = mixTypeLogic.getOrCreateForNameAndMaterialType(entity.name, materialType(materialType))

        val mixMaterials = if (entity.mixMaterials != null) mixMaterialLogic.create(entity.mixMaterials) else setOf()
        mixMaterialLogic.validateMixMaterials(mixMaterials)
@ -72,7 +72,7 @@ class DefaultMixLogic(
        if (entity.name != null || entity.materialTypeId != null) {
            val name = entity.name ?: mix.mixType.name
            val materialType = if (entity.materialTypeId != null)
-                materialTypeLogic.getById(entity.materialTypeId)
+                materialType(materialTypeLogic.getById(entity.materialTypeId))
            else
                mix.mixType.material.materialType!!

--- a/src/main/kotlin/dev/fyloz/colorrecipesexplorer/model/Material.kt
+++ b/src/main/kotlin/dev/fyloz/colorrecipesexplorer/model/Material.kt
@ -32,7 +32,7 @@ data class Material(
 ) : ModelEntity {
    companion object {
        fun getSimdutFilePath(name: String) =
-            "${Constants.FilePaths.simdut}/$name.pdf"
+            "${Constants.FilePaths.SIMDUT}/$name.pdf"
    }
 }

@ -66,12 +66,12 @@ fun material(
@Deprecated("Temporary DSL for transition")
 fun material(
    dto: MaterialDto
-) = Material(dto.id, dto.name, dto.inventoryQuantity, dto.isMixType, dto.materialType)
+) = Material(dto.id, dto.name, dto.inventoryQuantity, dto.isMixType, materialType(dto.materialType))

@Deprecated("Temporary DSL for transition")
 fun materialDto(
    entity: Material
-) = MaterialDto(entity.id!!, entity.name, entity.inventoryQuantity, entity.isMixType, entity.materialType!!)
+) = MaterialDto(entity.id!!, entity.name, entity.inventoryQuantity, entity.isMixType, materialTypeDto(entity.materialType!!))

 fun materialQuantityDto(
    materialId: Long,
--- a/src/main/kotlin/dev/fyloz/colorrecipesexplorer/model/MaterialType.kt
+++ b/src/main/kotlin/dev/fyloz/colorrecipesexplorer/model/MaterialType.kt
@ -1,15 +1,8 @@
 package dev.fyloz.colorrecipesexplorer.model

-import dev.fyloz.colorrecipesexplorer.exception.AlreadyExistsException
-import dev.fyloz.colorrecipesexplorer.exception.CannotDeleteException
-import dev.fyloz.colorrecipesexplorer.exception.CannotUpdateException
-import dev.fyloz.colorrecipesexplorer.exception.NotFoundException
+import dev.fyloz.colorrecipesexplorer.dtos.MaterialTypeDto
 import org.hibernate.annotations.ColumnDefault
 import javax.persistence.*
-import javax.validation.constraints.NotBlank
-import javax.validation.constraints.Size
-
-private const val VALIDATION_PREFIX_SIZE = "Must contains exactly 3 characters"

@Entity
@Table(name = "material_type")
@ -19,7 +12,7 @@ data class MaterialType(
    override val id: Long? = null,

    @Column(unique = true)
-  override val name: String = "",
+    val name: String = "",

    @Column(unique = true)
    val prefix: String = "",
@ -31,34 +24,7 @@ data class MaterialType(
    @Column(name = "system_type")
    @ColumnDefault("false")
    val systemType: Boolean = false
-) : NamedModelEntity
-
-open class MaterialTypeSaveDto(
-  @field:NotBlank
-  val name: String,
-
-  @field:NotBlank
-  @field:Size(min = 3, max = 3, message = VALIDATION_PREFIX_SIZE)
-  val prefix: String,
-
-  val usePercentages: Boolean = false
-) : EntityDto<MaterialType> {
-    override fun toEntity(): MaterialType =
-      MaterialType(null, name, prefix, usePercentages)
-}
-
-open class MaterialTypeUpdateDto(
-  val id: Long,
-
-  @field:NotBlank
-  val name: String?,
-
-  @field:Size(min = 3, max = 3, message = VALIDATION_PREFIX_SIZE)
-  val prefix: String?
-) : EntityDto<MaterialType> {
-    override fun toEntity(): MaterialType =
-      MaterialType(id, name ?: "", prefix ?: "")
-}
+) : ModelEntity

 // ==== DSL ====
 fun materialType(
@ -85,87 +51,12 @@ fun materialType(
    )
 }

-fun materialTypeSaveDto(
-  name: String = "name",
-  prefix: String = "PRE",
-  usePercentages: Boolean = false,
-  op: MaterialTypeSaveDto.() -> Unit = {}
-) = MaterialTypeSaveDto(name, prefix, usePercentages).apply(op)
+@Deprecated("Temporary DSL for transition")
+fun materialType(
+    dto: MaterialTypeDto
+) = MaterialType(dto.id, dto.name, dto.prefix, dto.usePercentages, dto.systemType)

-fun materialTypeUpdateDto(
-  id: Long = 0L,
-  name: String? = null,
-  prefix: String? = null,
-  op: MaterialTypeUpdateDto.() -> Unit = {}
-) = MaterialTypeUpdateDto(id, name, prefix).apply(op)
-
-// ==== Exceptions ====
-private const val MATERIAL_TYPE_NOT_FOUND_EXCEPTION_TITLE = "Material type not found"
-private const val MATERIAL_TYPE_ALREADY_EXISTS_EXCEPTION_TITLE = "Material type already exists"
-private const val MATERIAL_TYPE_CANNOT_DELETE_EXCEPTION_TITLE = "Cannot delete material type"
-private const val MATERIAL_TYPE_CANNOT_UPDATE_EXCEPTION_TITLE = "Cannot update material type"
-private const val MATERIAL_TYPE_EXCEPTION_ERROR_CODE = "materialtype"
-
-fun materialTypeIdNotFoundException(id: Long) =
-  NotFoundException(
-    MATERIAL_TYPE_EXCEPTION_ERROR_CODE,
-    MATERIAL_TYPE_NOT_FOUND_EXCEPTION_TITLE,
-    "A material type with the id $id could not be found",
-    id
-  )
-
-fun materialTypeNameNotFoundException(name: String) =
-  NotFoundException(
-    MATERIAL_TYPE_EXCEPTION_ERROR_CODE,
-    MATERIAL_TYPE_NOT_FOUND_EXCEPTION_TITLE,
-    "A material type with the name $name could not be found",
-    name,
-    "name"
-  )
-
-fun materialTypeIdAlreadyExistsException(id: Long) =
-  AlreadyExistsException(
-    MATERIAL_TYPE_EXCEPTION_ERROR_CODE,
-    MATERIAL_TYPE_ALREADY_EXISTS_EXCEPTION_TITLE,
-    "A material type with the id $id already exists",
-    id
-  )
-
-fun materialTypeNameAlreadyExistsException(name: String) =
-  AlreadyExistsException(
-    MATERIAL_TYPE_EXCEPTION_ERROR_CODE,
-    MATERIAL_TYPE_ALREADY_EXISTS_EXCEPTION_TITLE,
-    "A material type with the name $name already exists",
-    name,
-    "name"
-  )
-
-fun materialTypePrefixAlreadyExistsException(prefix: String) =
-  AlreadyExistsException(
-    MATERIAL_TYPE_EXCEPTION_ERROR_CODE,
-    MATERIAL_TYPE_ALREADY_EXISTS_EXCEPTION_TITLE,
-    "A material type with the prefix $prefix already exists",
-    prefix,
-    "prefix"
-  )
-
-fun cannotUpdateSystemMaterialTypeException(materialType: MaterialType) =
-  CannotUpdateException(
-    MATERIAL_TYPE_EXCEPTION_ERROR_CODE,
-    MATERIAL_TYPE_CANNOT_UPDATE_EXCEPTION_TITLE,
-    "Cannot update material type ${materialType.name} because it is a system material type"
-  )
-
-fun cannotDeleteMaterialTypeException(materialType: MaterialType) =
-  CannotDeleteException(
-    MATERIAL_TYPE_EXCEPTION_ERROR_CODE,
-    MATERIAL_TYPE_CANNOT_DELETE_EXCEPTION_TITLE,
-    "Cannot delete material type ${materialType.name} because one or more materials depends on it"
-  )
-
-fun cannotDeleteSystemMaterialTypeException(materialType: MaterialType) =
-  CannotDeleteException(
-    MATERIAL_TYPE_EXCEPTION_ERROR_CODE,
-    MATERIAL_TYPE_CANNOT_DELETE_EXCEPTION_TITLE,
-    "Cannot delete material type ${materialType.name} because it is a system material type"
-  )
+@Deprecated("Temporary DSL for transition")
+fun materialTypeDto(
+    entity: MaterialType
+) = MaterialTypeDto(entity.id!!, entity.name, entity.prefix, entity.usePercentages, entity.systemType)
--- a/src/main/kotlin/dev/fyloz/colorrecipesexplorer/model/Recipe.kt
+++ b/src/main/kotlin/dev/fyloz/colorrecipesexplorer/model/Recipe.kt
@ -70,7 +70,7 @@ data class Recipe(
        groupsInformation.firstOrNull { it.group.id == groupId }

    fun imageUrl(deploymentUrl: String, name: String) =
-        "$deploymentUrl${Constants.ControllerPaths.file}?path=${
+        "$deploymentUrl${Constants.ControllerPaths.FILE}?path=${
            URLEncoder.encode(
                "${this.imagesDirectoryPath}/$name",
                StandardCharsets.UTF_8
--- a/src/main/kotlin/dev/fyloz/colorrecipesexplorer/repository/MaterialRepository.kt
+++ b/src/main/kotlin/dev/fyloz/colorrecipesexplorer/repository/MaterialRepository.kt
@ -12,7 +12,7 @@ interface MaterialRepository : JpaRepository<Material, Long> {
    fun existsByNameAndIdNot(name: String, id: Long): Boolean

    /** Gets all non mix type materials. */
-    fun getAllByIsMixTypeIsFalse(): Collection<Material>
+    fun findAllByIsMixTypeIsFalse(): Collection<Material>

    /** Updates the [inventoryQuantity] of the [Material] with the given [id]. */
    @Modifying
--- a/src/main/kotlin/dev/fyloz/colorrecipesexplorer/repository/MaterialTypeRepository.kt
+++ b/src/main/kotlin/dev/fyloz/colorrecipesexplorer/repository/MaterialTypeRepository.kt
@ -1,30 +1,33 @@
 package dev.fyloz.colorrecipesexplorer.repository

 import dev.fyloz.colorrecipesexplorer.model.MaterialType
+import org.springframework.data.jpa.repository.JpaRepository
 import org.springframework.data.jpa.repository.Query
 import org.springframework.stereotype.Repository

@Repository
-interface MaterialTypeRepository : NamedJpaRepository<MaterialType> {
-    /** Checks if a material type exists with the given [prefix]. */
-    fun existsByPrefix(prefix: String): Boolean
-
+interface MaterialTypeRepository : JpaRepository<MaterialType, Long> {
    /** Checks if a system material type with the given [id] exists. */
-    fun existsByIdAndSystemTypeIsTrue(id: Long): Boolean
+    fun existsByIdAndSystemTypeIs(id: Long, systemType: Boolean): Boolean

-    /** Gets all material types which are not system types. */
-    fun findAllBySystemTypeIs(value: Boolean): Collection<MaterialType>
+    /** Checks if a material type with the given [name] and a different [id] exists. */
+    fun existsByNameAndIdNot(name: String, id: Long): Boolean

-    /** Gets the material type with the given [prefix]. */
-    fun findByPrefix(prefix: String): MaterialType?
+    /** Checks if a material type with the given [prefix] and a different [id] exists. */
+    fun existsByPrefixAndIdNot(prefix: String, id: Long): Boolean

+    /** Find all material types which are or not [systemType]s. */
+    fun findAllBySystemTypeIs(systemType: Boolean): Collection<MaterialType>
+
+    /** Find the material type with the given [name]. */
+    fun findByName(name: String): MaterialType?
+
+    /** Checks if a material depends on the material type with the given [id]. */
    @Query(
        """
-        select case when(count(m.id) > 0) then false else true end
-        from MaterialType t
-        left join Material m on t.id = m.materialType.id
-        where t.id = :id
+        select case when(count(m) > 0) then true else false end
+        from Material m where m.materialType.id = :id
        """
    )
-    fun canBeDeleted(id: Long): Boolean
+    fun isUsedByMaterial(id: Long): Boolean
 }
--- a/src/main/kotlin/dev/fyloz/colorrecipesexplorer/rest/FileController.kt
+++ b/src/main/kotlin/dev/fyloz/colorrecipesexplorer/rest/FileController.kt
@ -12,7 +12,7 @@ import org.springframework.web.multipart.MultipartFile
 import java.net.URI

@RestController
-@RequestMapping(Constants.ControllerPaths.file)
+@RequestMapping(Constants.ControllerPaths.FILE)
 class FileController(
    private val fileLogic: WriteableFileLogic,
    private val configurationLogic: ConfigurationLogic
@ -43,6 +43,6 @@ class FileController(

    private fun created(path: String): ResponseEntity<Void> =
        ResponseEntity
-            .created(URI.create("${configurationLogic.get(ConfigurationType.INSTANCE_URL)}${Constants.ControllerPaths.file}?path=$path"))
+            .created(URI.create("${configurationLogic.get(ConfigurationType.INSTANCE_URL)}${Constants.ControllerPaths.FILE}?path=$path"))
            .build()
 }
--- a/src/main/kotlin/dev/fyloz/colorrecipesexplorer/rest/MaterialController.kt
+++ b/src/main/kotlin/dev/fyloz/colorrecipesexplorer/rest/MaterialController.kt
@ -13,7 +13,7 @@ import org.springframework.web.multipart.MultipartFile
 import javax.validation.Valid

@RestController
-@RequestMapping(Constants.ControllerPaths.material)
+@RequestMapping(Constants.ControllerPaths.MATERIAL)
@Profile("!emergency")
@PreAuthorizeViewCatalog
 class MaterialController(
@ -34,7 +34,7 @@ class MaterialController(
    @PostMapping(consumes = [MediaType.MULTIPART_FORM_DATA_VALUE])
    @PreAuthorize("hasAuthority('EDIT_MATERIALS')")
    fun save(@Valid material: MaterialSaveDto, simdutFile: MultipartFile?) =
-        created<MaterialDto>(Constants.ControllerPaths.material) {
+        created<MaterialDto>(Constants.ControllerPaths.MATERIAL) {
            materialLogic.save(material.copy(simdutFile = simdutFile))
        }

--- a/src/main/kotlin/dev/fyloz/colorrecipesexplorer/rest/MaterialTypeController.kt
+++ b/src/main/kotlin/dev/fyloz/colorrecipesexplorer/rest/MaterialTypeController.kt
@ -1,42 +1,39 @@
 package dev.fyloz.colorrecipesexplorer.rest

+import dev.fyloz.colorrecipesexplorer.Constants
 import dev.fyloz.colorrecipesexplorer.config.annotations.PreAuthorizeViewCatalog
+import dev.fyloz.colorrecipesexplorer.dtos.MaterialTypeDto
 import dev.fyloz.colorrecipesexplorer.logic.MaterialTypeLogic
-import dev.fyloz.colorrecipesexplorer.model.MaterialType
-import dev.fyloz.colorrecipesexplorer.model.MaterialTypeSaveDto
-import dev.fyloz.colorrecipesexplorer.model.MaterialTypeUpdateDto
 import org.springframework.context.annotation.Profile
 import org.springframework.security.access.prepost.PreAuthorize
 import org.springframework.web.bind.annotation.*
 import javax.validation.Valid

-private const val MATERIAL_TYPE_CONTROLLER_PATH = "api/materialtype"
-
@RestController
-@RequestMapping(MATERIAL_TYPE_CONTROLLER_PATH)
+@RequestMapping(Constants.ControllerPaths.MATERIAL_TYPE)
@Profile("!emergency")
@PreAuthorizeViewCatalog
 class MaterialTypeController(private val materialTypeLogic: MaterialTypeLogic) {
    @GetMapping
    fun getAll() =
-      ok(materialTypeLogic.getAllForOutput())
+        ok(materialTypeLogic.getAll())

    @GetMapping("{id}")
    fun getById(@PathVariable id: Long) =
-      ok(materialTypeLogic.getByIdForOutput(id))
+        ok(materialTypeLogic.getById(id))

    @PostMapping
    @PreAuthorize("hasAuthority('EDIT_MATERIAL_TYPES')")
-    fun save(@Valid @RequestBody materialType: MaterialTypeSaveDto) =
-      created<MaterialType>(MATERIAL_TYPE_CONTROLLER_PATH) {
+    fun save(@Valid @RequestBody materialType: MaterialTypeDto) =
+        created<MaterialTypeDto>(Constants.ControllerPaths.MATERIAL_TYPE) {
            materialTypeLogic.save(materialType)
        }

    @PutMapping
    @PreAuthorize("hasAuthority('EDIT_MATERIAL_TYPES')")
-    fun update(@Valid @RequestBody materialType: MaterialTypeUpdateDto) =
+    fun update(@Valid @RequestBody materialType: MaterialTypeDto) =
        noContent {
-          materialTypeLogic.update(materialType)
+            materialTypeLogic.updateNonSystemType(materialType)
        }

    @DeleteMapping("{id}")
--- a/src/main/kotlin/dev/fyloz/colorrecipesexplorer/service/MaterialService.kt
+++ b/src/main/kotlin/dev/fyloz/colorrecipesexplorer/service/MaterialService.kt
@ -25,11 +25,17 @@ interface MaterialService : Service<MaterialDto, Material, MaterialRepository> {
 }

@ServiceComponent
-class DefaultMaterialService(repository: MaterialRepository, @Qualifier("defaultFileLogic") val fileLogic: FileLogic) :
+class DefaultMaterialService(
+    repository: MaterialRepository,
+    private val materialTypeService: MaterialTypeService,
+    @Qualifier("defaultFileLogic") val fileLogic: FileLogic
+) :
    BaseService<MaterialDto, Material, MaterialRepository>(repository), MaterialService {
    override fun existsByName(name: String, id: Long?) = repository.existsByNameAndIdNot(name, id ?: 0)
-    override fun getAllNotMixType() = repository.getAllByIsMixTypeIsFalse().map(this::toDto)
-    override fun updateInventoryQuantityById(id: Long, inventoryQuantity: Float) = repository.updateInventoryQuantityById(id, inventoryQuantity)
+    override fun getAllNotMixType() = repository.findAllByIsMixTypeIsFalse().map(::toDto)
+    override fun updateInventoryQuantityById(id: Long, inventoryQuantity: Float) =
+        repository.updateInventoryQuantityById(id, inventoryQuantity)
+
    override fun isUsedByMixMaterialOrMixType(id: Long) = repository.isUsedByMixMaterialOrMixType(id)

    override fun toDto(entity: Material) =
@ -38,21 +44,21 @@ class DefaultMaterialService(repository: MaterialRepository, @Qualifier("default
            entity.name,
            entity.inventoryQuantity,
            entity.isMixType,
-            entity.materialType!!,
+            materialTypeService.toDto(entity.materialType!!),
            getSimdutUrl(entity)
        )

    override fun toEntity(dto: MaterialDto) =
-        Material(dto.id, dto.name, dto.inventoryQuantity, dto.isMixType, dto.materialType)
+        Material(dto.id, dto.name, dto.inventoryQuantity, dto.isMixType, materialTypeService.toEntity(dto.materialType))

    private fun getSimdutUrl(material: Material): String? {
-        val filePath = "${Constants.FilePaths.simdut}/${material.name}.pdf"
+        val filePath = "${Constants.FilePaths.SIMDUT}/${material.name}.pdf"

        if (!fileLogic.exists(filePath)) {
            return null
        }

        val encodedPath = URLEncoder.encode(filePath, StandardCharsets.UTF_8)
-        return "${Constants.ControllerPaths.file}?path=$encodedPath"
+        return "${Constants.ControllerPaths.FILE}?path=$encodedPath"
    }
 }
--- a/src/main/kotlin/dev/fyloz/colorrecipesexplorer/service/MaterialTypeService.kt
+++ b/src/main/kotlin/dev/fyloz/colorrecipesexplorer/service/MaterialTypeService.kt
@ -0,0 +1,44 @@
+package dev.fyloz.colorrecipesexplorer.service
+
+import dev.fyloz.colorrecipesexplorer.config.annotations.ServiceComponent
+import dev.fyloz.colorrecipesexplorer.dtos.MaterialTypeDto
+import dev.fyloz.colorrecipesexplorer.model.MaterialType
+import dev.fyloz.colorrecipesexplorer.repository.MaterialTypeRepository
+
+interface MaterialTypeService : Service<MaterialTypeDto, MaterialType, MaterialTypeRepository> {
+    /** Checks if a system material type with the given [id] exists. */
+    fun existsById(id: Long, systemType: Boolean): Boolean
+
+    /** Checks if a material type with the given [name] and a different [id] exists. */
+    fun existsByName(name: String, id: Long?): Boolean
+
+    /** Checks if a material type with the given [prefix] and a different [id] exists. */
+    fun existsByPrefix(prefix: String, id: Long?): Boolean
+
+    /** Gets all material types which are or not a [systemType]. */
+    fun getAll(systemType: Boolean): Collection<MaterialTypeDto>
+
+    /** Gets the material type with the given [name]. */
+    fun getByName(name: String): MaterialTypeDto?
+
+    /** Checks if a material depends on the material type with the given [id]. */
+    fun isUsedByMaterial(id: Long): Boolean
+}
+
+@ServiceComponent
+class DefaultMaterialTypeService(repository: MaterialTypeRepository) :
+    BaseService<MaterialTypeDto, MaterialType, MaterialTypeRepository>(repository), MaterialTypeService {
+    override fun existsById(id: Long, systemType: Boolean) = repository.existsByIdAndSystemTypeIs(id, systemType)
+    override fun existsByName(name: String, id: Long?) = repository.existsByNameAndIdNot(name, id ?: 0)
+    override fun existsByPrefix(prefix: String, id: Long?) = repository.existsByPrefixAndIdNot(prefix, id ?: 0)
+    override fun getAll(systemType: Boolean) = repository.findAllBySystemTypeIs(systemType).map(::toDto)
+    override fun getByName(name: String) = repository.findByName(name)?.let(::toDto)
+
+    override fun isUsedByMaterial(id: Long) = repository.isUsedByMaterial(id)
+
+    override fun toDto(entity: MaterialType) =
+        MaterialTypeDto(entity.id!!, entity.name, entity.prefix, entity.usePercentages, entity.systemType)
+
+    override fun toEntity(dto: MaterialTypeDto) =
+        MaterialType(dto.id, dto.name, dto.prefix, dto.usePercentages, dto.systemType)
+}
--- a/src/main/kotlin/dev/fyloz/colorrecipesexplorer/service/Service.kt
+++ b/src/main/kotlin/dev/fyloz/colorrecipesexplorer/service/Service.kt
@ -31,6 +31,12 @@ interface Service<D : EntityDto, E : ModelEntity, R : JpaRepository<E, Long>> {

    /** Deletes the entity with the given [id]. */
    fun deleteById(id: Long)
+
+    /** Converts the given [entity] to a DTO. */
+    fun toDto(entity: E): D
+
+    /** Converts the given [dto] to an entity. */
+    fun toEntity(dto: D): E
 }

 abstract class BaseService<D : EntityDto, E : ModelEntity, R : JpaRepository<E, Long>>(protected val repository: R) :
@ -58,7 +64,4 @@ abstract class BaseService<D : EntityDto, E : ModelEntity, R : JpaRepository<E,
    override fun deleteById(id: Long) {
        repository.deleteById(id)
    }
-
-    abstract fun toDto(entity: E): D
-    abstract fun toEntity(dto: D): E
 }
--- a/src/test/kotlin/dev/fyloz/colorrecipesexplorer/logic/DefaultMaterialLogicTest.kt
+++ b/src/test/kotlin/dev/fyloz/colorrecipesexplorer/logic/DefaultMaterialLogicTest.kt
@ -2,6 +2,7 @@ package dev.fyloz.colorrecipesexplorer.logic

 import dev.fyloz.colorrecipesexplorer.dtos.MaterialDto
 import dev.fyloz.colorrecipesexplorer.dtos.MaterialSaveDto
+import dev.fyloz.colorrecipesexplorer.dtos.MaterialTypeDto
 import dev.fyloz.colorrecipesexplorer.exception.AlreadyExistsException
 import dev.fyloz.colorrecipesexplorer.exception.CannotDeleteException
 import dev.fyloz.colorrecipesexplorer.logic.files.WriteableFileLogic
@ -31,9 +32,7 @@ class DefaultMaterialLogicTest {
        )
    )

-    private val materialType = MaterialType(
-        1L, "Unit test material type", "UNT", usePercentages = false, systemType = false
-    ) // TODO move to DTO
+    private val materialType = MaterialTypeDto(1L, "Unit test material type", "UNT", usePercentages = false)
    private val material = MaterialDto(1L, "Unit test material", 1000f, false, materialType)
    private val materialMixType = material.copy(id = 2L, isMixType = true)
    private val materialMixType2 = material.copy(id = 3L, isMixType = true)
@ -59,8 +58,8 @@ class DefaultMaterialLogicTest {
    private val simdutFileMock = MockMultipartFile(
        "Unit test SIMDUT",
        byteArrayOf(1, 2, 3, 4)
-    ) // Put some content in the mock file so it is not ignored
-    private val materialSaveDto = MaterialSaveDto(1L, "Unit test material", 1000f, materialType.id!!, simdutFileMock)
+    ) // Put some content in the mock file, so it is not ignored
+    private val materialSaveDto = MaterialSaveDto(1L, "Unit test material", 1000f, materialType.id, simdutFileMock)

    init {
        recipe.mixes.addAll(listOf(mix, mix2))
--- a/src/test/kotlin/dev/fyloz/colorrecipesexplorer/logic/DefaultMaterialTypeLogicTest.kt
+++ b/src/test/kotlin/dev/fyloz/colorrecipesexplorer/logic/DefaultMaterialTypeLogicTest.kt
@ -0,0 +1,146 @@
+package dev.fyloz.colorrecipesexplorer.logic
+
+import dev.fyloz.colorrecipesexplorer.dtos.MaterialTypeDto
+import dev.fyloz.colorrecipesexplorer.exception.AlreadyExistsException
+import dev.fyloz.colorrecipesexplorer.exception.CannotDeleteException
+import dev.fyloz.colorrecipesexplorer.exception.CannotUpdateException
+import dev.fyloz.colorrecipesexplorer.service.MaterialTypeService
+import io.mockk.*
+import org.junit.jupiter.api.AfterEach
+import org.junit.jupiter.api.Test
+import org.junit.jupiter.api.assertThrows
+import kotlin.test.assertEquals
+import kotlin.test.assertNull
+
+class DefaultMaterialTypeLogicTest {
+    private val materialTypeServiceMock = mockk<MaterialTypeService>()
+
+    private val materialTypeLogic = spyk(DefaultMaterialTypeLogic(materialTypeServiceMock))
+
+    private val materialType = MaterialTypeDto(1L, "Unit test material type", "UTMT", false)
+    private val systemMaterialType =
+        MaterialTypeDto(2L, "Unit test system material type", "UTSMT", false, systemType = true)
+
+    @AfterEach
+    internal fun afterEach() {
+        clearAllMocks()
+    }
+
+    @Test
+    fun getAll_normalBehavior_returnsFromService() {
+        // Arrange
+        val expectedMaterialTypes = listOf(materialType, systemMaterialType)
+
+        every { materialTypeServiceMock.getAll(any()) } returns expectedMaterialTypes
+
+        // Act
+        val actualMaterialTypes = materialTypeLogic.getAll(true)
+
+        // Assert
+        assertEquals(expectedMaterialTypes, actualMaterialTypes)
+    }
+
+    @Test
+    fun getByName_normalBehavior_returnsMaterialType() {
+        // Arrange
+        every { materialTypeServiceMock.getByName(any()) } returns materialType
+
+        // Act
+        val actualMaterialType = materialTypeLogic.getByName(materialType.name)
+
+        // Assert
+        assertEquals(materialType, actualMaterialType)
+    }
+
+    @Test
+    fun getByName_nameNotFound_returnsNull() {
+        // Arrange
+        every { materialTypeServiceMock.getByName(any()) } returns null
+
+        // Act
+        val actualMaterialType = materialTypeLogic.getByName(materialType.name)
+
+        // Assert
+        assertNull(actualMaterialType)
+    }
+
+    @Test
+    fun updateNonSystemType_normalBehavior_callsUpdate() {
+        // Arrange
+        every { materialTypeServiceMock.existsById(any(), any()) } returns false
+        every { materialTypeLogic.update(any()) } returnsArgument 0
+
+        // Act
+        materialTypeLogic.updateNonSystemType(materialType)
+
+        // Assert
+        verify {
+            materialTypeLogic.update(materialType)
+        }
+    }
+
+    @Test
+    fun updateNonSystemType_isSystemType_throwsCannotUpdateException() {
+        // Arrange
+        every { materialTypeServiceMock.existsById(any(), any()) } returns true
+        every { materialTypeLogic.update(any()) } returnsArgument 0
+
+        // Act
+        // Assert
+        assertThrows<CannotUpdateException> { materialTypeLogic.updateNonSystemType(materialType) }
+    }
+
+    @Test
+    fun save_nameExists_throwsAlreadyExistsException() {
+        // Arrange
+        every { materialTypeServiceMock.existsByName(any(), any()) } returns true
+        every { materialTypeServiceMock.existsByPrefix(any(), any()) } returns false
+
+        // Act
+        // Assert
+        assertThrows<AlreadyExistsException> { materialTypeLogic.save(materialType) }
+    }
+
+    @Test
+    fun save_prefixExists_throwsAlreadyExistsException() {
+        // Arrange
+        every { materialTypeServiceMock.existsByName(any(), any()) } returns false
+        every { materialTypeServiceMock.existsByPrefix(any(), any()) } returns true
+
+        // Act
+        // Assert
+        assertThrows<AlreadyExistsException> { materialTypeLogic.save(materialType) }
+    }
+
+    @Test
+    fun update_nameExists_throwsAlreadyExistsException() {
+        // Arrange
+        every { materialTypeServiceMock.existsByName(any(), any()) } returns true
+        every { materialTypeServiceMock.existsByPrefix(any(), any()) } returns false
+
+        // Act
+        // Assert
+        assertThrows<AlreadyExistsException> { materialTypeLogic.update(materialType) }
+    }
+
+    @Test
+    fun update_prefixExists_throwsAlreadyExistsException() {
+        // Arrange
+        every { materialTypeServiceMock.existsByName(any(), any()) } returns false
+        every { materialTypeServiceMock.existsByPrefix(any(), any()) } returns true
+
+        // Act
+        // Assert
+        assertThrows<AlreadyExistsException> { materialTypeLogic.update(materialType) }
+    }
+
+    @Test
+    fun deleteById_usedByMaterial_throwsCannotDeleteException() {
+        // Arrange
+        every { materialTypeServiceMock.isUsedByMaterial(any()) } returns true
+
+        // Act
+        // Assert
+        assertThrows<CannotDeleteException> { materialTypeLogic.deleteById(materialType.id) }
+    }
+}
--- a/src/test/kotlin/dev/fyloz/colorrecipesexplorer/logic/MaterialTypeLogicTest.kt
+++ b/src/test/kotlin/dev/fyloz/colorrecipesexplorer/logic/MaterialTypeLogicTest.kt
@ -1,182 +1,182 @@
-package dev.fyloz.colorrecipesexplorer.logic
-
-import com.nhaarman.mockitokotlin2.*
-import dev.fyloz.colorrecipesexplorer.exception.AlreadyExistsException
-import dev.fyloz.colorrecipesexplorer.exception.CannotDeleteException
-import dev.fyloz.colorrecipesexplorer.exception.CannotUpdateException
-import dev.fyloz.colorrecipesexplorer.exception.NotFoundException
-import dev.fyloz.colorrecipesexplorer.model.*
-import dev.fyloz.colorrecipesexplorer.repository.MaterialTypeRepository
-import org.junit.jupiter.api.AfterEach
-import org.junit.jupiter.api.Test
-import org.junit.jupiter.api.TestInstance
-import org.junit.jupiter.api.assertThrows
-import kotlin.test.assertEquals
-import kotlin.test.assertFalse
-import kotlin.test.assertTrue
-
-@TestInstance(TestInstance.Lifecycle.PER_CLASS)
-class MaterialTypeLogicTest :
-  AbstractExternalNamedModelServiceTest<MaterialType, MaterialTypeSaveDto, MaterialTypeUpdateDto, MaterialTypeLogic, MaterialTypeRepository>() {
-    override val repository: MaterialTypeRepository = mock()
-    private val materialService: MaterialLogic = mock()
-    override val logic: MaterialTypeLogic = spy(DefaultMaterialTypeLogic(repository))
-    override val entity: MaterialType = materialType(id = 0L, name = "material type", prefix = "MAT")
-    override val anotherEntity: MaterialType = materialType(id = 1L, name = "another material type", prefix = "AMT")
-    override val entityWithEntityName: MaterialType = materialType(2L, name = entity.name, prefix = "EEN")
-    private val systemType = materialType(id = 3L, name = "systype", prefix = "SYS", systemType = true)
-    private val anotherSystemType = materialType(id = 4L, name = "another systype", prefix = "ASY", systemType = true)
-    override val entitySaveDto: MaterialTypeSaveDto = spy(materialTypeSaveDto(name = "material type", prefix = "MAT"))
-    override val entityUpdateDto: MaterialTypeUpdateDto =
-      spy(materialTypeUpdateDto(id = 0L, name = "material type", prefix = "MAT"))
-
-    @AfterEach
-    override fun afterEach() {
-        reset(materialService)
-        super.afterEach()
-    }
-
-    // existsByPrefix()
-
-    @Test
-    fun `existsByPrefix() returns true when a material type with the given prefix exists`() {
-        whenever(repository.existsByPrefix(entity.prefix)).doReturn(true)
-
-        val found = logic.existsByPrefix(entity.prefix)
-
-        assertTrue(found)
-    }
-
-    @Test
-    fun `existsByPrefix() returns false when no material type with the given prefix exists`() {
-        whenever(repository.existsByPrefix(entity.prefix)).doReturn(false)
-
-        val found = logic.existsByPrefix(entity.prefix)
-
-        assertFalse(found)
-    }
-
-    // getAllSystemTypes()
-
-    @Test
-    fun `getAllSystemTypes() returns all system types`() {
-        whenever(repository.findAllBySystemTypeIs(true)).doReturn(listOf(systemType, anotherSystemType))
-
-        val found = logic.getAllSystemTypes()
-
-        assertTrue(found.contains(systemType))
-        assertTrue(found.contains(anotherSystemType))
-    }
-
-    // getAllNonSystemTypes()
-
-    @Test
-    fun `getAllNonSystemTypes() returns all non system types`() {
-        whenever(repository.findAllBySystemTypeIs(false)).doReturn(listOf(entity, anotherEntity))
-
-        val found = logic.getAllNonSystemType()
-
-        assertTrue(found.contains(entity))
-        assertTrue(found.contains(anotherEntity))
-    }
-
-    // save()
-
-    @Test
-    override fun `save(dto) calls and returns save() with the created entity`() {
-        withBaseSaveDtoTest(entity, entitySaveDto, logic)
-    }
-
-    // saveMaterialType()
-
-    @Test
-    fun `saveMaterialType() throws AlreadyExistsException when a material type with the given prefix already exists`() {
-        doReturn(true).whenever(logic).existsByPrefix(entity.prefix)
-
-        assertThrows<AlreadyExistsException> { logic.save(entity) }
-          .assertErrorCode("prefix")
-    }
-
-    // update()
-
-    @Test
-    override fun `update(dto) calls and returns update() with the created entity`() =
-      withBaseUpdateDtoTest(entity, entityUpdateDto, logic, { any() })
-
-    override fun `update() saves in the repository and returns the updated value`() {
-        whenever(repository.save(entity)).doReturn(entity)
-        whenever(repository.findByName(entity.name)).doReturn(null)
-        whenever(repository.findByPrefix(entity.prefix)).doReturn(null)
-        doReturn(true).whenever(logic).existsById(entity.id!!)
-        doReturn(entity).whenever(logic).getById(entity.id!!)
-
-        val found = logic.update(entity)
-
-        verify(repository).save(entity)
-        assertEquals(entity, found)
-    }
-
-    override fun `update() throws NotFoundException when no entity with the given id exists in the repository`() {
-        whenever(repository.findByName(entity.name)).doReturn(null)
-        whenever(repository.findByPrefix(entity.prefix)).doReturn(null)
-        doReturn(false).whenever(logic).existsById(entity.id!!)
-        doReturn(null).whenever(logic).getById(entity.id!!)
-
-        assertThrows<NotFoundException> { logic.update(entity) }
-          .assertErrorCode()
-    }
-
-    override fun `update() throws AlreadyExistsException when an entity with the updated name exists`() {
-        whenever(repository.findByName(entity.name)).doReturn(entityWithEntityName)
-        whenever(repository.findByPrefix(entity.prefix)).doReturn(null)
-        doReturn(true).whenever(logic).existsById(entity.id!!)
-        doReturn(entity).whenever(logic).getById(entity.id!!)
-
-        assertThrows<AlreadyExistsException> { logic.update(entity) }
-          .assertErrorCode("name")
-    }
-
-    @Test
-    fun `update() throws AlreadyExistsException when an entity with the updated prefix exists`() {
-        val anotherMaterialType = materialType(prefix = entity.prefix)
-        whenever(repository.findByPrefix(entity.prefix)).doReturn(anotherMaterialType)
-        doReturn(entity).whenever(logic).getById(entity.id!!)
-
-        assertThrows<AlreadyExistsException> { logic.update(entity) }
-          .assertErrorCode("prefix")
-    }
-
-    @Test
-    fun `update() throws CannotUpdateException when updating a system material type`() {
-        whenever(repository.existsByIdAndSystemTypeIsTrue(systemType.id!!)).doReturn(true)
-
-        assertThrows<CannotUpdateException> { logic.update(systemType) }
-    }
-
-    // delete()
-
-    @Test
-    fun `delete() throws CannotDeleteException when deleting a system material type`() {
-        whenever(repository.existsByIdAndSystemTypeIsTrue(systemType.id!!)).doReturn(true)
-
-        assertThrows<CannotDeleteException> { logic.delete(systemType) }
-    }
-
-    override fun `delete() deletes in the repository`() {
-        whenCanBeDeleted {
-            super.`delete() deletes in the repository`()
-        }
-    }
-
-    override fun `deleteById() deletes the entity with the given id in the repository`() {
-        whenCanBeDeleted {
-            super.`deleteById() deletes the entity with the given id in the repository`()
-        }
-    }
-
-    private fun whenCanBeDeleted(id: Long = any(), test: () -> Unit) {
-        whenever(repository.canBeDeleted(id)).doReturn(true)
-
-        test()
-    }
-}
+//package dev.fyloz.colorrecipesexplorer.logic
+//
+//import com.nhaarman.mockitokotlin2.*
+//import dev.fyloz.colorrecipesexplorer.exception.AlreadyExistsException
+//import dev.fyloz.colorrecipesexplorer.exception.CannotDeleteException
+//import dev.fyloz.colorrecipesexplorer.exception.CannotUpdateException
+//import dev.fyloz.colorrecipesexplorer.exception.NotFoundException
+//import dev.fyloz.colorrecipesexplorer.model.*
+//import dev.fyloz.colorrecipesexplorer.repository.MaterialTypeRepository
+//import org.junit.jupiter.api.AfterEach
+//import org.junit.jupiter.api.Test
+//import org.junit.jupiter.api.TestInstance
+//import org.junit.jupiter.api.assertThrows
+//import kotlin.test.assertEquals
+//import kotlin.test.assertFalse
+//import kotlin.test.assertTrue
+//
+//@TestInstance(TestInstance.Lifecycle.PER_CLASS)
+//class MaterialTypeLogicTest :
+//  AbstractExternalNamedModelServiceTest<MaterialType, MaterialTypeSaveDto, MaterialTypeUpdateDto, MaterialTypeLogic, MaterialTypeRepository>() {
+//    override val repository: MaterialTypeRepository = mock()
+//    private val materialService: MaterialLogic = mock()
+//    override val logic: MaterialTypeLogic = spy(DefaultMaterialTypeLogic(repository))
+//    override val entity: MaterialType = materialType(id = 0L, name = "material type", prefix = "MAT")
+//    override val anotherEntity: MaterialType = materialType(id = 1L, name = "another material type", prefix = "AMT")
+//    override val entityWithEntityName: MaterialType = materialType(2L, name = entity.name, prefix = "EEN")
+//    private val systemType = materialType(id = 3L, name = "systype", prefix = "SYS", systemType = true)
+//    private val anotherSystemType = materialType(id = 4L, name = "another systype", prefix = "ASY", systemType = true)
+//    override val entitySaveDto: MaterialTypeSaveDto = spy(materialTypeSaveDto(name = "material type", prefix = "MAT"))
+//    override val entityUpdateDto: MaterialTypeUpdateDto =
+//      spy(materialTypeUpdateDto(id = 0L, name = "material type", prefix = "MAT"))
+//
+//    @AfterEach
+//    override fun afterEach() {
+//        reset(materialService)
+//        super.afterEach()
+//    }
+//
+//    // existsByPrefix()
+//
+//    @Test
+//    fun `existsByPrefix() returns true when a material type with the given prefix exists`() {
+//        whenever(repository.existsByPrefix(entity.prefix)).doReturn(true)
+//
+//        val found = logic.existsByPrefix(entity.prefix)
+//
+//        assertTrue(found)
+//    }
+//
+//    @Test
+//    fun `existsByPrefix() returns false when no material type with the given prefix exists`() {
+//        whenever(repository.existsByPrefix(entity.prefix)).doReturn(false)
+//
+//        val found = logic.existsByPrefix(entity.prefix)
+//
+//        assertFalse(found)
+//    }
+//
+//    // getAllSystemTypes()
+//
+//    @Test
+//    fun `getAllSystemTypes() returns all system types`() {
+//        whenever(repository.findAllBySystemTypeIs(true)).doReturn(listOf(systemType, anotherSystemType))
+//
+//        val found = logic.getAllSystemTypes()
+//
+//        assertTrue(found.contains(systemType))
+//        assertTrue(found.contains(anotherSystemType))
+//    }
+//
+//    // getAllNonSystemTypes()
+//
+//    @Test
+//    fun `getAllNonSystemTypes() returns all non system types`() {
+//        whenever(repository.findAllBySystemTypeIs(false)).doReturn(listOf(entity, anotherEntity))
+//
+//        val found = logic.getAllNonSystemType()
+//
+//        assertTrue(found.contains(entity))
+//        assertTrue(found.contains(anotherEntity))
+//    }
+//
+//    // save()
+//
+//    @Test
+//    override fun `save(dto) calls and returns save() with the created entity`() {
+//        withBaseSaveDtoTest(entity, entitySaveDto, logic)
+//    }
+//
+//    // saveMaterialType()
+//
+//    @Test
+//    fun `saveMaterialType() throws AlreadyExistsException when a material type with the given prefix already exists`() {
+//        doReturn(true).whenever(logic).existsByPrefix(entity.prefix)
+//
+//        assertThrows<AlreadyExistsException> { logic.save(entity) }
+//          .assertErrorCode("prefix")
+//    }
+//
+//    // update()
+//
+//    @Test
+//    override fun `update(dto) calls and returns update() with the created entity`() =
+//      withBaseUpdateDtoTest(entity, entityUpdateDto, logic, { any() })
+//
+//    override fun `update() saves in the repository and returns the updated value`() {
+//        whenever(repository.save(entity)).doReturn(entity)
+//        whenever(repository.findByName(entity.name)).doReturn(null)
+//        whenever(repository.findByPrefix(entity.prefix)).doReturn(null)
+//        doReturn(true).whenever(logic).existsById(entity.id!!)
+//        doReturn(entity).whenever(logic).getById(entity.id!!)
+//
+//        val found = logic.update(entity)
+//
+//        verify(repository).save(entity)
+//        assertEquals(entity, found)
+//    }
+//
+//    override fun `update() throws NotFoundException when no entity with the given id exists in the repository`() {
+//        whenever(repository.findByName(entity.name)).doReturn(null)
+//        whenever(repository.findByPrefix(entity.prefix)).doReturn(null)
+//        doReturn(false).whenever(logic).existsById(entity.id!!)
+//        doReturn(null).whenever(logic).getById(entity.id!!)
+//
+//        assertThrows<NotFoundException> { logic.update(entity) }
+//          .assertErrorCode()
+//    }
+//
+//    override fun `update() throws AlreadyExistsException when an entity with the updated name exists`() {
+//        whenever(repository.findByName(entity.name)).doReturn(entityWithEntityName)
+//        whenever(repository.findByPrefix(entity.prefix)).doReturn(null)
+//        doReturn(true).whenever(logic).existsById(entity.id!!)
+//        doReturn(entity).whenever(logic).getById(entity.id!!)
+//
+//        assertThrows<AlreadyExistsException> { logic.update(entity) }
+//          .assertErrorCode("name")
+//    }
+//
+//    @Test
+//    fun `update() throws AlreadyExistsException when an entity with the updated prefix exists`() {
+//        val anotherMaterialType = materialType(prefix = entity.prefix)
+//        whenever(repository.findByPrefix(entity.prefix)).doReturn(anotherMaterialType)
+//        doReturn(entity).whenever(logic).getById(entity.id!!)
+//
+//        assertThrows<AlreadyExistsException> { logic.update(entity) }
+//          .assertErrorCode("prefix")
+//    }
+//
+//    @Test
+//    fun `update() throws CannotUpdateException when updating a system material type`() {
+//        whenever(repository.existsByIdAndSystemTypeIsTrue(systemType.id!!)).doReturn(true)
+//
+//        assertThrows<CannotUpdateException> { logic.update(systemType) }
+//    }
+//
+//    // delete()
+//
+//    @Test
+//    fun `delete() throws CannotDeleteException when deleting a system material type`() {
+//        whenever(repository.existsByIdAndSystemTypeIsTrue(systemType.id!!)).doReturn(true)
+//
+//        assertThrows<CannotDeleteException> { logic.delete(systemType) }
+//    }
+//
+//    override fun `delete() deletes in the repository`() {
+//        whenCanBeDeleted {
+//            super.`delete() deletes in the repository`()
+//        }
+//    }
+//
+//    override fun `deleteById() deletes the entity with the given id in the repository`() {
+//        whenCanBeDeleted {
+//            super.`deleteById() deletes the entity with the given id in the repository`()
+//        }
+//    }
+//
+//    private fun whenCanBeDeleted(id: Long = any(), test: () -> Unit) {
+//        whenever(repository.canBeDeleted(id)).doReturn(true)
+//
+//        test()
+//    }
+//}
--- a/src/test/kotlin/dev/fyloz/colorrecipesexplorer/logic/MixLogicTest.kt
+++ b/src/test/kotlin/dev/fyloz/colorrecipesexplorer/logic/MixLogicTest.kt
@ -62,7 +62,7 @@ class MixLogicTest : AbstractExternalModelServiceTest<Mix, MixSaveDto, MixUpdate
        val mixMaterials = setOf(mixMaterial(material = material(id = 1L), quantity = 1000f))

        whenever(recipeService.getById(recipe.id!!)).doReturn(recipe)
-        whenever(materialTypeService.getById(materialType.id!!)).doReturn(materialType)
+        whenever(materialTypeService.getById(materialType.id!!)).doReturn(materialTypeDto(materialType))
        whenever(mixMaterialService.create(entitySaveDto.mixMaterials!!)).doReturn(mixMaterials)
        whenever(
          mixTypeService.getOrCreateForNameAndMaterialType(
@ -98,7 +98,7 @@ class MixLogicTest : AbstractExternalModelServiceTest<Mix, MixSaveDto, MixUpdate
            doAnswer { it.arguments[0] }.whenever(logic).update(any<Mix>())

            if (mixUpdateDto.materialTypeId != null) {
-                whenever(materialTypeService.getById(materialType.id!!)).doReturn(materialType)
+                whenever(materialTypeService.getById(materialType.id!!)).doReturn(materialTypeDto(materialType))
            }

            op()