io.vrap.codegen.languages.bruno.model.BrunoMethodRenderer.kt Maven / Gradle / Ivy

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RAML API client code generators based on the REST Modeling Framework. https://github.com/vrapio/rest-modeling-framework
There is a newer version: 1.0.0-20241120142200
package io.vrap.codegen.languages.bruno.model

import com.fasterxml.jackson.core.JsonProcessingException
import com.fasterxml.jackson.databind.ObjectMapper
import com.fasterxml.jackson.databind.module.SimpleModule
import io.vrap.codegen.languages.extensions.*
import io.vrap.rmf.codegen.firstUpperCase
import io.vrap.rmf.codegen.io.TemplateFile
import io.vrap.rmf.codegen.rendering.FileProducer
import io.vrap.rmf.codegen.rendering.utils.keepAngleIndent
import io.vrap.rmf.codegen.types.VrapTypeProvider
import io.vrap.rmf.raml.model.modules.Api
import io.vrap.rmf.raml.model.resources.Method
import io.vrap.rmf.raml.model.resources.Resource
import io.vrap.rmf.raml.model.types.*
import io.vrap.rmf.raml.model.util.StringCaseFormat

class BrunoMethodRenderer(val api: Api, override val vrapTypeProvider: VrapTypeProvider) : EObjectExtensions, FileProducer {

    val offset = 1

    fun allResourceMethods(): List = api.allContainedResources.flatMap { it.methods }

    override fun produceFiles(): List {
        return methods()
    }

    private fun methods(): List {
        return allResourceMethods().mapIndexed { index, method -> render(index, method) }
    }

    fun render(index: Int, type: Method): TemplateFile {

        val content = renderStr(index, type).trimMargin().keepAngleIndent()

        val relativePath = methodResourcePath(type) + "/" + type.toRequestName() + ".bru"

        return TemplateFile(
                relativePath = relativePath,
                content = content
        )
    }

    fun renderStr(index: Int, method: Method): String {
        val url = BrunoUrl(method.resource(), method) { resource, name -> when (name) {
            "ID" -> resource.resourcePathName.singularize() + "-id"
            "key" -> resource.resourcePathName.singularize() + "-key"
            else -> StringCaseFormat.LOWER_HYPHEN_CASE.apply(name)
        }}
        val name = method.displayName?.value ?: "${method.methodName} ${method.resource().toResourceName()}"
        return BrunoRequestRenderer.renderRequest(name, method, url, method.getExample(), index + offset)
    }

    fun Method.getExample(): String? {
        val s = this.bodies?.
        getOrNull(0)?.
        type?.
        examples?.
        getOrNull(0)?.
        value
        return s?.toJson()
    }

    private fun methodResourcePath(method: Method): String {
        var resourcePathes = resourcePathes(method.resource())

        var directories = resourcePathes.map { it.displayName?.value ?: it.resourcePathName.firstUpperCase() }
        return directories.joinToString("/")
    }

    private fun resourcePathes(resource: Resource): List {
        if (resource.parent is Resource) {
            if (resource.resourcePathName == resource.parent.resourcePathName) {
                return resourcePathes(resource.parent)
            }
            return resourcePathes(resource.parent).plus(resource)
        }
        return listOf(resource)
    }



    fun Instance.toJson(): String {
        var example = ""
        val mapper = ObjectMapper()

        val module = SimpleModule()
        module.addSerializer(ObjectInstance::class.java, ObjectInstanceSerializer())
        module.addSerializer(ArrayInstance::class.java, InstanceSerializer())
        module.addSerializer(IntegerInstance::class.java, InstanceSerializer())
        module.addSerializer(BooleanInstance::class.java, InstanceSerializer())
        module.addSerializer(StringInstance::class.java, InstanceSerializer())
        module.addSerializer(NumberInstance::class.java, InstanceSerializer())
        mapper.registerModule(module)

        if (this is StringInstance) {
            example = this.value
        } else if (this is ObjectInstance) {
            try {
                example = mapper.writerWithDefaultPrettyPrinter().writeValueAsString(this)
            } catch (e: JsonProcessingException) {
            }

        }

        return example
    }
}