feat: Implements common database interactions as dependencies.

Sources/App/Controllers/Api/UserApiController.swift

@@ -1,9 +1,11 @@
+import Dependencies
 import Fluent
 import Vapor
 
 // TODO: Add update and get by id.
 struct UserApiController: RouteCollection {
-  let users = UserDB()
+
+  @Dependency(\.users) var users
 
   func boot(routes: any RoutesBuilder) throws {
     let unProtected = routes.apiUnprotected(route: "users")
@@ -19,7 +21,7 @@ struct UserApiController: RouteCollection {
 
   @Sendable
   func index(req: Request) async throws -> [User.DTO] {
-    try await users.fetchAll(on: req.db)
+    try await users.fetchAll()
   }
 
   @Sendable
@@ -33,13 +35,13 @@ struct UserApiController: RouteCollection {
     }
     try User.Create.validate(content: req)
     let model = try req.content.decode(User.Create.self)
-    return try await users.create(model, on: req.db)
+    return try await users.create(model)
   }
 
   @Sendable
   func login(req: Request) async throws -> UserToken {
     let user = try req.auth.require(User.self)
-    return try await users.login(user: user, on: req.db)
+    return try await users.login(user)
   }
 
   // @Sendable
@@ -53,7 +55,7 @@ struct UserApiController: RouteCollection {
     guard let id = req.parameters.get("id", as: User.IDValue.self) else {
       throw Abort(.badRequest, reason: "User id not provided")
     }
-    try await users.delete(id: id, on: req.db)
+    try await users.delete(id)
     return .ok
   }
 }