From 719b6714c6461eaddc6ae5f49af405aa90a95d9a Mon Sep 17 00:00:00 2001
From: mentarus <mentarus@gmail.com>
Date: Wed, 4 Mar 2015 23:23:28 +0000
Subject: [PATCH] Added a is_tool_in_use query as per
 https://github.com/londonhackspace/acserver/issues/8

---
 application/config/routes.php     |  5 +++++
 application/controllers/api.php   | 30 ++++++++++++++++++++++++++++++
 application/models/tool_model.php | 10 ++++++++++
 3 files changed, 45 insertions(+)

diff --git a/application/config/routes.php b/application/config/routes.php
index 06ee989..b27dc03 100644
--- a/application/config/routes.php
+++ b/application/config/routes.php
@@ -93,6 +93,11 @@
 // http://wiki.london.hackspace.org.uk/view/Project:Tool_Access_Control/Solexious_Proposal#Case_alert
 $route[':num/case/:any'] = "api/case_change";
 
+// Is tool in use
+// Reports wether the tool is being used
+// https://github.com/londonhackspace/acserver/issues/8
+$route[':num/is_tool_in_use'] = "api/is_tool_in_use";
+
 
 /* End of file routes.php */
 /* Location: ./application/config/routes.php */
\ No newline at end of file
diff --git a/application/controllers/api.php b/application/controllers/api.php
index 79df141..b03d4c2 100644
--- a/application/controllers/api.php
+++ b/application/controllers/api.php
@@ -524,6 +524,36 @@ public function case_change() {
         $this->response(RESPONSE_SUCCESS);
     }
 
+    
+        /*
+        TITLE: Is tool in use ()
+
+        DESCRIPTION:
+            Returns weather someone is using the tool at this very moment
+            
+        URL STRUCTURE:
+            GET /[nodeID]/is_tool_in_use
+
+        DESCRIPTION URL:
+            https://github.com/londonhackspace/acserver/issues/8
+            
+        EXAMPLES:
+            (Using test data set)
+            
+            Checks wether the tool is in use. Returns 1 if it is, 0 if not.
+                curl  http://acserver:1234/1/is_tool_in_use
+        
+    */
+    public function is_tool_in_use() {
+        $tool_id = (int) $this->uri->segment(1);
+         
+        $logged_event = $this->Tool_model->get_last_tool_status($tool_id);
+        
+        //$this->Tool_model->log_usage($acnode_id, $user_id, $card_unique_identifier, 'Time Used', $time_used);
+        //$this->response(RESPONSE_SUCCESS);
+        //$this->response($logged_event);
+        echo ($logged_event == "Access Started")? "yes":"no" ;
+    }
 
     
     protected function response($data) {
diff --git a/application/models/tool_model.php b/application/models/tool_model.php
index 9237863..8d2f148 100644
--- a/application/models/tool_model.php
+++ b/application/models/tool_model.php
@@ -47,5 +47,15 @@ public function log_case_status_change($acnode_id, $status) {
             }
             $this->log_usage($acnode_id, NULL, NULL, $narrative, 0);
         }
+        
+        public function get_last_tool_status($tool_id) {
+            
+            $query = $this->db->order_by("logged_at","desc")->limit(1)
+                    ->get_where('toolusage',array('tool_id' => $tool_id));
+
+            $row = $query->row_array();
+            
+            return $row['logged_event'];
+        }
     }
 ?>
\ No newline at end of file