From 84d100ff63a3391edaadb0ced9ecfde92396d98b Mon Sep 17 00:00:00 2001
From: Syphax Bouazzouni <gs_bouazzouni@esi.dz>
Date: Mon, 23 May 2022 18:24:17 +0200
Subject: [PATCH 1/5] add the slice get endpoint

---
 controllers/slices_controller.rb | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/controllers/slices_controller.rb b/controllers/slices_controller.rb
index bc55eab1..bee8b669 100644
--- a/controllers/slices_controller.rb
+++ b/controllers/slices_controller.rb
@@ -6,5 +6,13 @@ class SlicesController < ApplicationController
       includes = LinkedData::Models::Slice.goo_attrs_to_load(includes_param)
       reply LinkedData::Models::Slice.where.include(includes).all
     end
+
+    get '/:slice_id' do
+      slice = LinkedData::Models::Slice.where(acronym: params["slice_id"]).first
+      error 404, "Slice #{params['slice_id']} not found" if slice.nil?
+      check_last_modified(slice)
+      slice.bring(*LinkedData::Models::Slice.goo_attrs_to_load(includes_param))
+      reply slice
+    end
   end
 end
\ No newline at end of file

From d822e9551bdd89b8b77790fd8f73f4140733d8bf Mon Sep 17 00:00:00 2001
From: Syphax Bouazzouni <gs_bouazzouni@esi.dz>
Date: Mon, 23 May 2022 18:30:43 +0200
Subject: [PATCH 2/5] add the slices create endpoint

---
 controllers/slices_controller.rb | 30 ++++++++++++++++++++++++++++++
 1 file changed, 30 insertions(+)

diff --git a/controllers/slices_controller.rb b/controllers/slices_controller.rb
index bee8b669..11f9803f 100644
--- a/controllers/slices_controller.rb
+++ b/controllers/slices_controller.rb
@@ -14,5 +14,35 @@ class SlicesController < ApplicationController
       slice.bring(*LinkedData::Models::Slice.goo_attrs_to_load(includes_param))
       reply slice
     end
+    ##
+    # Create a new slice
+    post do
+      create_slice
+    end
+    private
+
+    def create_slice
+      params ||= @params
+      ontologies = []
+
+      params["ontologies"].each do |ont|
+        ontologies.push(LinkedData::Models::Ontology.find(ont).first)
+      end
+
+      slice = LinkedData::Models::Slice.new({
+                                              acronym: params["acronym"],
+                                              name: params["name"],
+                                              description: params["description"],
+                                              ontologies: ontologies
+                                            })
+
+      if slice.valid?
+        slice.save
+      else
+        error 400, slice.errors
+      end
+      reply 201, slice
+    end
+
   end
 end
\ No newline at end of file

From 6b598b5b076a7ebff9510ed59761fdcbec33fa79 Mon Sep 17 00:00:00 2001
From: Syphax Bouazzouni <gs_bouazzouni@esi.dz>
Date: Mon, 23 May 2022 18:31:29 +0200
Subject: [PATCH 3/5] add the slices delete endpoint

---
 controllers/slices_controller.rb | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/controllers/slices_controller.rb b/controllers/slices_controller.rb
index 11f9803f..a4796baf 100644
--- a/controllers/slices_controller.rb
+++ b/controllers/slices_controller.rb
@@ -19,6 +19,13 @@ class SlicesController < ApplicationController
     post do
       create_slice
     end
+
+    # Delete a slice
+    delete '/:slice' do
+      LinkedData::Models::Slice.find(params[:slice]).first.delete
+      halt 204
+    end
+
     private
 
     def create_slice

From a1d37f0209ec4ed3f92985e2fae6c053947dbda9 Mon Sep 17 00:00:00 2001
From: Syphax Bouazzouni <gs_bouazzouni@esi.dz>
Date: Mon, 23 May 2022 18:32:30 +0200
Subject: [PATCH 4/5] add the slices update endpoint

---
 controllers/slices_controller.rb | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/controllers/slices_controller.rb b/controllers/slices_controller.rb
index a4796baf..1cba47cb 100644
--- a/controllers/slices_controller.rb
+++ b/controllers/slices_controller.rb
@@ -26,6 +26,18 @@ class SlicesController < ApplicationController
       halt 204
     end
 
+    # Update an existing slice
+    patch '/:slice' do
+      slice = LinkedData::Models::Slice.find(params[:slice]).include(LinkedData::Models::Slice.attributes(:all)).first
+      populate_from_params(slice, params)
+      if slice.valid?
+        slice.save
+      else
+        error 422, slice.errors
+      end
+      halt 204
+    end
+    
     private
 
     def create_slice

From b4bac7e368c1d2547bbfe5b6cd687554f34010cc Mon Sep 17 00:00:00 2001
From: Syphax Bouazzouni <gs_bouazzouni@esi.dz>
Date: Thu, 7 Sep 2023 23:32:37 +0200
Subject: [PATCH 5/5] update slice write operation to check if user is admin

---
 controllers/slices_controller.rb | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/controllers/slices_controller.rb b/controllers/slices_controller.rb
index 1cba47cb..04e0d53e 100644
--- a/controllers/slices_controller.rb
+++ b/controllers/slices_controller.rb
@@ -17,17 +17,20 @@ class SlicesController < ApplicationController
     ##
     # Create a new slice
     post do
+      error 403, "Access denied" unless current_user && current_user.admin?
       create_slice
     end
 
     # Delete a slice
     delete '/:slice' do
+      error 403, "Access denied" unless current_user && current_user.admin?
       LinkedData::Models::Slice.find(params[:slice]).first.delete
       halt 204
     end
 
     # Update an existing slice
     patch '/:slice' do
+      error 403, "Access denied" unless current_user && current_user.admin?
       slice = LinkedData::Models::Slice.find(params[:slice]).include(LinkedData::Models::Slice.attributes(:all)).first
       populate_from_params(slice, params)
       if slice.valid?