Hands-On Server-Side Web Development with Swift

Using controllers for logical operations

Create the /Source/Application/Controllers directory and add the same JournalController.swift you have used in your myJournal Vapor project to this new directory:

File: /Sources/Application/Controllers/JournalController.swift:

import Foundationfinal class JournalController {        var entries : Array<Entry> = Array()         //: Get total number of entries    func total() -> Int {         return entries.count    }    //: Create a new journal entry    func create(_ entry: Entry) -> Entry? {        entries.append(entry)        return entries.last    }    //: Read a journal entry    func read(index: Int) -> Entry? {         if let entry = entries.get(index: index) {            return entry        }         return nil    }    //: Update the journal entry func update(index: Int, entry: Entry) ...