From ff5bf81a14d3024f8ff1764db488dec6790ed37e Mon Sep 17 00:00:00 2001
From: Ivan Ljubisavljevic <ivan996sk@gmail.com>
Date: Sat, 19 Mar 2022 17:56:13 +0100
Subject: GetLatestDatasets i GetOldestDatasets odradjen. Potrebne ispravke #41

---
 backend/api/api/Controllers/DatasetController.cs | 75 ++++++++++++++++++++++--
 backend/api/api/Services/DatasetService.cs       | 14 ++++-
 backend/api/api/Services/IDatasetService.cs      |  3 +-
 3 files changed, 84 insertions(+), 8 deletions(-)

(limited to 'backend')

diff --git a/backend/api/api/Controllers/DatasetController.cs b/backend/api/api/Controllers/DatasetController.cs
index c0ba0039..1ad180b7 100644
--- a/backend/api/api/Controllers/DatasetController.cs
+++ b/backend/api/api/Controllers/DatasetController.cs
@@ -24,7 +24,7 @@ namespace api.Controllers
 
 
         // GET: api/<DatasetController>/mydatasets
-        [HttpGet("/mydatasets")]
+        [HttpGet("mydatasets")]
         [Authorize(Roles = "User")]
         public ActionResult<List<Dataset>> Get()
         {
@@ -40,14 +40,77 @@ namespace api.Controllers
             }
             else
                 return BadRequest();
-
+            
             //ako bude trebao ID, samo iz baze uzeti
 
             return _datasetService.GetMyDatesets(username);
         }
 
+        // GET: api/<DatasetController>/getlatestdataset/{number}
+        [HttpGet("getlatestdatasets/{latest}")]
+        [Authorize(Roles = "User")]
+        public ActionResult<List<Dataset>> GetLatestDatasets(int latest)
+        {
+            string username;
+            var header = Request.Headers[HeaderNames.Authorization];
+            if (AuthenticationHeaderValue.TryParse(header, out var headerValue))
+            {
+                var scheme = headerValue.Scheme;
+                var parameter = headerValue.Parameter;
+                username = jwtToken.TokenToUsername(parameter);
+                if (username == null)
+                    return null;
+            }
+            else
+                return BadRequest();
+
+            //ako bude trebao ID, samo iz baze uzeti
+
+            List<Dataset> lista = _datasetService.GetMyDatesets(username);
+
+            List<Dataset> novaLista = new List<Dataset>();
+
+            lista.Reverse();
+
+            for(int i = 0; i < latest; i++)
+                novaLista.Add(lista[i]);
+
+            return novaLista;
+        }
+
+        // GET: api/<DatasetController>/getoldestdataset/{number}
+        [HttpGet("getoldestdatasets/{oldest}")]
+        [Authorize(Roles = "User")]
+        public ActionResult<List<Dataset>> GetOldestDatasets(int oldest)
+        {
+            string username;
+            var header = Request.Headers[HeaderNames.Authorization];
+            if (AuthenticationHeaderValue.TryParse(header, out var headerValue))
+            {
+                var scheme = headerValue.Scheme;
+                var parameter = headerValue.Parameter;
+                username = jwtToken.TokenToUsername(parameter);
+                if (username == null)
+                    return null;
+            }
+            else
+                return BadRequest();
+
+            //ako bude trebao ID, samo iz baze uzeti
+
+            List<Dataset> lista = _datasetService.GetMyDatesets(username);
+
+            List<Dataset> novaLista = new List<Dataset>();
+
+            for (int i = 0; i < oldest; i++)
+                novaLista.Add(lista[i]);
+
+            return novaLista;
+        }
+
+
         // GET: api/<DatasetController>/publicdatasets
-        [HttpGet("/datasets")]
+        [HttpGet("publicdatasets")]
         public ActionResult<List<Dataset>> GetPublicDS()
         {
             return _datasetService.GetPublicDatesets();
@@ -55,7 +118,7 @@ namespace api.Controllers
 
         // GET api/<DatasetController>/{name}
         //get odredjeni dataset
-        [HttpGet("/{name}")]
+        [HttpGet("{name}")]
         [Authorize(Roles = "User")]
         public ActionResult<Dataset> Get(string name)
         {
@@ -114,7 +177,7 @@ namespace api.Controllers
         }
 
         // PUT api/<DatasetController>/{name}
-        [HttpPut("/{name}")]
+        [HttpPut("{name}")]
         [Authorize(Roles = "User")]
         public ActionResult Put(string name, [FromBody] Dataset dataset)
         {
@@ -143,7 +206,7 @@ namespace api.Controllers
         }
 
         // DELETE api/<DatasetController>/name
-        [HttpDelete("/{name}")]
+        [HttpDelete("{name}")]
         [Authorize(Roles = "User")]
         public ActionResult Delete(string name)
         {
diff --git a/backend/api/api/Services/DatasetService.cs b/backend/api/api/Services/DatasetService.cs
index 27a8b3ee..880570dd 100644
--- a/backend/api/api/Services/DatasetService.cs
+++ b/backend/api/api/Services/DatasetService.cs
@@ -1,4 +1,5 @@
-using api.Interfaces;
+using System.Linq;
+using api.Interfaces;
 using api.Models;
 using MongoDB.Driver;
 
@@ -30,6 +31,17 @@ namespace api.Services
         {
             return _dataset.Find(dataset => dataset.username == username).ToList();
         }
+
+        public List<Dataset> GetLatestDatasets(string username, int latest)
+        {
+            List<Dataset> list = _dataset.Find(dataset => dataset.username == username).ToList();
+
+
+         
+
+            return list;
+        }
+
         public List<Dataset> GetPublicDatesets()
         {
             return _dataset.Find(dataset => dataset.isPublic == true).ToList();
diff --git a/backend/api/api/Services/IDatasetService.cs b/backend/api/api/Services/IDatasetService.cs
index 61a04b94..19a0aabc 100644
--- a/backend/api/api/Services/IDatasetService.cs
+++ b/backend/api/api/Services/IDatasetService.cs
@@ -6,7 +6,8 @@ namespace api.Services
     public interface IDatasetService
     {
         Dataset GetOneDataset(string username, string name);
-        List<Dataset> GetMyDatesets(string username);
+        List<Dataset> GetMyDatesets(string username); 
+        List<Dataset> GetLatestDatasets(string username, int latest);
         List<Dataset> GetPublicDatesets();
         Dataset Create(Dataset dataset);
         void Update(string username, string name, Dataset dataset);
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