feat: Updates form routes and database routes to use id's in the url path.

Sources/ViewController/Extensions/EquivalentLengthForm+extensions.swift

@@ -50,11 +50,7 @@ extension EffectiveLength.Update {
     form: SiteRoute.View.ProjectRoute.EquivalentLengthRoute.StepThree,
     projectID: Project.ID
   ) throws {
-    guard let id = form.id else {
-      throw ValidationError("Id not found.")
-    }
     self.init(
-      id: id,
       name: form.name,
       type: form.type,
       straightLengths: form.straightLengths,

Sources/ViewController/Extensions/String+appendingPath.swift

@@ -0,0 +1,20 @@
+import Foundation
+
+extension String {
+
+  func appendingPath(_ string: String) -> Self {
+    guard string.starts(with: "/") else {
+      return self.appending("/\(string)")
+    }
+    return self.appending(string)
+  }
+
+  func appendingPath(_ id: UUID?) -> Self {
+    guard let id else { return self }
+    return appendingPath(id.uuidString)
+  }
+
+  func appendingPath(_ id: UUID) -> Self {
+    return appendingPath(id.uuidString)
+  }
+}

Sources/ViewController/Extensions/UUID+idString.swift

@@ -0,0 +1,7 @@
+import Foundation
+
+extension UUID {
+  var idString: String {
+    uuidString.replacing("-", with: "")
+  }
+}