From 66139d297997ab326638e4643091e795795e2b7d Mon Sep 17 00:00:00 2001
From: Nicholas Bellucci <nickdbellucci@gmail.com>
Date: Sun, 8 Nov 2020 19:07:22 -0500
Subject: [PATCH 1/2] Added ForEachWeavable and other updates

---
 .../FunctionBuilders/OperationBuilder.swift   |  4 ++
 .../Helpers/ForEachWeavable.swift             | 48 +++++++++++++++++++
 .../SociableWeaverBuilderTests.swift          | 23 +++++++++
 3 files changed, 75 insertions(+)
 create mode 100644 Sources/SociableWeaver/Helpers/ForEachWeavable.swift

diff --git a/Sources/SociableWeaver/FunctionBuilders/OperationBuilder.swift b/Sources/SociableWeaver/FunctionBuilders/OperationBuilder.swift
index 8713739..10757b0 100644
--- a/Sources/SociableWeaver/FunctionBuilders/OperationBuilder.swift
+++ b/Sources/SociableWeaver/FunctionBuilders/OperationBuilder.swift
@@ -16,6 +16,10 @@ public struct OperationBuilder {
                 weavables.append(field)
             } else if let fragment = $0 as? Fragment {
                 fragments.append(fragment)
+            } else if let forEach = $0 as? ForEachWeavable {
+                if forEach.skip || !forEach.include { return }
+
+                weavables.append(forEach)
             }
         }
 
diff --git a/Sources/SociableWeaver/Helpers/ForEachWeavable.swift b/Sources/SociableWeaver/Helpers/ForEachWeavable.swift
new file mode 100644
index 0000000..690ffd1
--- /dev/null
+++ b/Sources/SociableWeaver/Helpers/ForEachWeavable.swift
@@ -0,0 +1,48 @@
+public struct ForEachWeavable: Directive {
+    private var objects: [ObjectWeavable] = []
+
+    var include: Bool = true
+    var skip: Bool = false
+
+    init<T>(_ array: [T], content: @escaping (T) -> ObjectWeavable) {
+        array.forEach {
+            objects.append(content($0))
+        }
+    }
+}
+
+public extension ForEachWeavable {
+    /**
+    Only include this object in the operation if the argument is true.
+
+     - Parameter argument: A boolean argument.
+     - Returns: An `Object` with its include value set.
+     */
+    func include(if argument: Bool) -> ForEachWeavable {
+        var copy = self
+        copy.include = argument
+        return copy
+    }
+
+    /**
+    Skip this object if the argument is true
+
+     - Parameter argument: A boolean argument.
+     - Returns: An `Object` with its skip value set.
+     */
+    func skip(if argument: Bool) -> ForEachWeavable {
+        var copy = self
+        copy.skip = argument
+        return copy
+    }
+}
+
+extension ForEachWeavable: ObjectWeavable {
+    public var description: String {
+        objects.map { $0.description }.joined(separator: " ")
+    }
+
+    public var debugDescription: String {
+        objects.map { $0.debugDescription }.joined(separator: " ")
+    }
+}
diff --git a/Tests/SociableWeaverTests/SociableWeaverBuilderTests.swift b/Tests/SociableWeaverTests/SociableWeaverBuilderTests.swift
index 1d8149e..a1f14af 100644
--- a/Tests/SociableWeaverTests/SociableWeaverBuilderTests.swift
+++ b/Tests/SociableWeaverTests/SociableWeaverBuilderTests.swift
@@ -235,6 +235,29 @@ final class SociableWeaverBuilderTests: XCTestCase {
         XCTAssertEqual(String(describing: query), expected)
     }
 
+    func testForEachWeavable() {
+        let authors = [
+            Author(id: "1", name: "John", age: 17, birthplace: [:]),
+            Author(id: "2", name: "Jane", age: 29, birthplace: [:]),
+            Author(id: "3", name: "Adam", age: 41, birthplace: [:])
+        ]
+
+        let query = Weave(.query) {
+            ForEachWeavable(authors) { author in
+                Object("postsForAuthor") {
+                    Field(Author.CodingKeys.id)
+                    Field(Author.CodingKeys.name)
+                    Field(Author.CodingKeys.age)
+                    Field(Author.CodingKeys.birthplace)
+                }
+                .argument(key: "id", value: author.id)
+            }
+        }
+
+        let expected = "query { postsForAuthor(id: \"1\") { id name age birthplace } postsForAuthor(id: \"2\") { id name age birthplace } postsForAuthor(id: \"3\") { id name age birthplace } }"
+        XCTAssertEqual(String(describing: query), expected)
+    }
+
     static var allTests = [
         ("testBuildField", testBuildField),
         ("testBuildObject", testBuildObject),

From 8a519be0235bffd0c668487ab153adaecfd5b162 Mon Sep 17 00:00:00 2001
From: Nicholas Bellucci <nickdbellucci@gmail.com>
Date: Mon, 9 Nov 2020 11:17:25 -0500
Subject: [PATCH 2/2] Added public init

---
 Sources/SociableWeaver/Helpers/ForEachWeavable.swift | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/Sources/SociableWeaver/Helpers/ForEachWeavable.swift b/Sources/SociableWeaver/Helpers/ForEachWeavable.swift
index 690ffd1..fb1c79b 100644
--- a/Sources/SociableWeaver/Helpers/ForEachWeavable.swift
+++ b/Sources/SociableWeaver/Helpers/ForEachWeavable.swift
@@ -4,10 +4,8 @@ public struct ForEachWeavable: Directive {
     var include: Bool = true
     var skip: Bool = false
 
-    init<T>(_ array: [T], content: @escaping (T) -> ObjectWeavable) {
-        array.forEach {
-            objects.append(content($0))
-        }
+    public init<T>(_ array: [T], content: @escaping (T) -> ObjectWeavable) {
+        array.forEach { objects.append(content($0)) }
     }
 }