Add endpoint for all investments (#10)

Author: adborbas

Sources/Grodt/Controllers/InvestmentController.swift

@@ -13,12 +13,24 @@ struct InvestmentController: RouteCollection {
 
     func boot(routes: Vapor.RoutesBuilder) throws {
         let investments = routes.grouped("investments")
+        investments.get(use: allInvestments)
 
         investments.group(":ticker") { investment in
             investment.get(use: invesetmentDetail)
         }
     }
 
+    func allInvestments(req: Request) async throws -> [InvestmentDTO] {
+        guard let userID = req.auth.get(User.self)?.id else {
+            throw Abort(.badRequest)
+        }
+        
+        let transactions = try await portfolioRepository.allPortfolios(for: userID)
+            .flatMap { $0.transactions }
+        
+        return try await dataMapper.investments(from: transactions)
+    }
+    
     func invesetmentDetail(req: Request) async throws -> InvestmentDetailDTO {
         let ticker: String = try req.requiredParameter(named: "ticker")
 
@@ -35,3 +47,4 @@ struct InvestmentController: RouteCollection {
 }
 
 extension InvestmentDetailDTO: Content { }
+extension InvestmentDTO: Content { }

Sources/Grodt/DTOs/DTOMappers/InvestmentDTOMapper.swift

@@ -53,7 +53,9 @@ class InvestmentDTOMapper {
             )
         }
 
-        return investments
+        return investments.sorted { lft, rgh in
+            lft.totalReturn > rgh.totalReturn
+        }
     }
 
     func investmentDetail(from transactions: [Transaction])async throws -> InvestmentDetailDTO {