small fixes

Author: tanner0101

Sources/FluentProvider/Droplet/Droplet+Storage.swift

@@ -4,17 +4,17 @@ import Vapor
 private let fluentDatabaseKey = "fluent-vapor-database"
 
 extension Droplet {
-    internal var database: Database?{
+    public internal(set) var database: Database? {
         get {
             return storage[fluentDatabaseKey] as? Database
         }
         set {
             storage[fluentDatabaseKey] = newValue
         }
     }
-
-
-    func assertDatabase() throws -> Database {
+    
+    
+    public func assertDatabase() throws -> Database {
         guard let database = self.database else {
             throw FluentProviderError.noDatabase
         }
@@ -26,3 +26,32 @@ extension Droplet {
 public enum FluentProviderError: Error {
     case noDatabase
 }
+
+extension FluentProviderError: Debuggable {
+    public var reason: String {
+        switch self {
+        case .noDatabase:
+            return "No database has been configured."
+        }
+    }
+    
+    public var identifier: String {
+        switch self {
+        case .noDatabase:
+            return "noDatabase"
+        }
+    }
+    
+    public var possibleCauses: [String] {
+        switch self {
+        case .noDatabase:
+            return [
+                "You have not added the `MySQLProvider.Provider` to your Droplet."
+            ]
+        }
+    }
+    
+    public var suggestedFixes: [String] {
+        return []
+    }
+}

Sources/FluentProvider/Provider.swift

@@ -138,7 +138,14 @@ public final class Provider: Vapor.Provider {
         // add configurable driver types, this must
         // come before the preparation calls
         let driver = try drop.config.resolveDriver()
-        let database = Database(driver)
+        
+        let database: Database
+        if let maxConnections = drop.config["fluent", "maxConnections"]?.int {
+            database = Database(driver, maxConnections: maxConnections)
+        } else {
+            database = Database(driver)
+        }
+        
         drop.database = database
 
         if let m = self.migrationEntityName {