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

Sources/ViewController/Views/FrictionRate/FrictionRateView.swift

@@ -6,15 +6,95 @@ struct FrictionRateView: HTML, Sendable {
 
   let equipmentInfo: EquipmentInfo?
   let componentLosses: [ComponentPressureLoss]
+  let equivalentLengths: EffectiveLength.MaxContainer
   let projectID: Project.ID
 
+  var availableStaticPressure: Double? {
+    guard let staticPressure = equipmentInfo?.staticPressure else {
+      return nil
+    }
+    return staticPressure - componentLosses.totalComponentPressureLoss
+  }
+
+  var frictionRateDesignValue: Double? {
+    guard let availableStaticPressure, let tel = equivalentLengths.total else {
+      return nil
+    }
+    return (((availableStaticPressure * 100) / tel) * 100) / 100
+  }
+
+  var badgeColor: String {
+    let base = "badge-primary"
+    guard let frictionRateDesignValue else { return base }
+    if frictionRateDesignValue >= 0.18 || frictionRateDesignValue <= 0.02 {
+      return "badge-error"
+    }
+    return base
+  }
+
+  var showHighErrors: Bool {
+    guard let frictionRateDesignValue else { return false }
+    return frictionRateDesignValue >= 0.18
+  }
+
+  var showLowErrors: Bool {
+    guard let frictionRateDesignValue else { return false }
+    return frictionRateDesignValue <= 0.02
+  }
+
   var body: some HTML {
     div(.class("p-4 space-y-6")) {
       h1(.class("text-4xl font-bold pb-6")) { "Friction Rate" }
-      EquipmentInfoView(equipmentInfo: equipmentInfo, projectID: projectID)
-      ComponentPressureLossesView(
-        componentPressureLosses: componentLosses, projectID: projectID
-      )
+      div(.class("flex space-x-4")) {
+        Label("Available Static Pressure")
+        if let availableStaticPressure {
+          Number(availableStaticPressure, digits: 2)
+            .attributes(.class("badge badge-lg badge-outline font-bold ms-4"))
+        }
+      }
+      div(.class("flex space-x-4")) {
+        if let frictionRateDesignValue {
+          Label("Friction Rate Design Value")
+          Number(frictionRateDesignValue, digits: 2)
+            .attributes(.class("badge badge-lg badge-outline \(badgeColor) font-bold"))
+        }
+      }
+
+      div(.class("text-error italic")) {
+        p {
+          "No component pressures losses"
+        }
+        .attributes(.class("hidden"), when: componentLosses.totalComponentPressureLoss > 0)
+
+        p {
+          "Calculated friction rate is below 0.02. The fan may not deliver the required CFM."
+          br()
+          " * Increase the blower speed"
+          br()
+          " * Increase the blower size"
+          br()
+          " * Decrease the Total Effective Length (TEL)"
+        }
+        .attributes(.class("hidden"), when: !showLowErrors)
+
+        p {
+          "Calculated friction rate is above 0.18. The fan may deliver too many CFM."
+          br()
+          " * Decrease the blower speed"
+          br()
+          " * Decreae the blower size"
+          br()
+          " * Increase the Total Effective Length (TEL)"
+        }
+        .attributes(.class("hidden"), when: !showHighErrors)
+      }
+
+      div(.class("grid grid-cols-1 lg:grid-cols-2 gap-4")) {
+        EquipmentInfoView(equipmentInfo: equipmentInfo, projectID: projectID)
+        ComponentPressureLossesView(
+          componentPressureLosses: componentLosses, projectID: projectID
+        )
+      }
     }
   }
 }