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Refactor schema augmentation to have hooks for customization #224

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May 20, 2021
Merged

Refactor schema augmentation to have hooks for customization #224

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324 changes: 319 additions & 5 deletions core/src/main/kotlin/org/neo4j/graphql/AugmentationHandler.kt
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280 changes: 0 additions & 280 deletions core/src/main/kotlin/org/neo4j/graphql/BuildingEnv.kt
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17 changes: 6 additions & 11 deletions core/src/main/kotlin/org/neo4j/graphql/ExtensionFunctions.kt
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Original file line number Diff line number Diff line change
@@ -1,23 +1,14 @@
package org.neo4j.graphql

import graphql.language.Description
import graphql.language.VariableReference
import graphql.schema.GraphQLArgument
import graphql.schema.GraphQLInputType
import graphql.schema.GraphQLType
import org.neo4j.cypherdsl.core.*
import java.util.*

fun <T> Iterable<T>.joinNonEmpty(separator: CharSequence = ", ", prefix: CharSequence = "", postfix: CharSequence = "", limit: Int = -1, truncated: CharSequence = "...", transform: ((T) -> CharSequence)? = null): String {
return if (iterator().hasNext()) joinTo(StringBuilder(), separator, prefix, postfix, limit, truncated, transform).toString() else ""
}

fun input(name: String, type: GraphQLType): GraphQLArgument {
return GraphQLArgument
.newArgument()
.name(name)
.type((type.ref() as? GraphQLInputType)
?: throw IllegalArgumentException("${type.innerName()} is not allowed for input")).build()
}

fun queryParameter(value: Any?, vararg parts: String?): Parameter<Any> {
val name = when (value) {
is VariableReference -> value.name
Expand All @@ -36,3 +27,7 @@ fun PropertyContainer.id(): FunctionInvocation = when (this) {
}

fun String.toCamelCase(): String = Regex("[\\W_]([a-z])").replace(this) { it.groupValues[1].toUpperCase() }

fun <T> Optional<T>.unwrap(): T? = orElse(null)

fun String.asDescription() = Description(this, null, this.contains("\n"))
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