app/database_init.php

@@ -17,6 +17,7 @@ class DatabaseInit
                 $this->con = (new DatabaseCon)->connect();
                 $this->createUserTable();
                 $this->createFileTable();
+                $this->createTrainedModelTable();
             } catch (PDOException $e) {
                 throw new PDOException($e->getMessage(), $e->getCode(), $e);
             }
@@ -48,4 +49,14 @@ class DatabaseInit
 
         $this->con->executeQuery($query);
     }
+
+    private function createTrainedModelTable() {
+        $query = 'CREATE TABLE IF NOT EXISTS trained_model (
+                    id BIGINT NOT NULL AUTO_INCREMENT PRIMARY KEY,
+                    user_id UUID REFERENCES `user`(`id`) ON DELETE CASCADE,
+                    category VARCHAR(50),
+                    model VARCHAR(1000));';
+
+        $this->con->executeQuery($query);
+    }
 }

app/gateway/ai_gateway.php

@@ -0,0 +1,97 @@
+<?php
+
+namespace Gateway;
+
+use Config\DatabaseCon;
+use Config\Connection;
+use PDOException;
+use PhpParser\Node\Arg;
+
+class AiGateway
+{
+	private Connection $con;
+
+	public function __construct()
+	{
+		try {
+			$this->con = (new DatabaseCon)->connect();
+		} catch (PDOException $e) {
+			throw new PDOException($e->getMessage(), $e->getCode(), $e);
+		}
+	}
+
+	public function getUsersCategoryAndInfo()
+	{
+		$query = "SELECT u.id, f.category, f.info FROM user u, file f WHERE u.id = f.user_id ORDER BY u.id, f.category DESC;";
+		try {
+			$this->con->executeQuery($query, array());
+			$results = $this->con->getResults();
+		} catch (PDOException $e) {
+			throw new PDOException($e->getMessage(), $e->getCode(), $e);
+		}
+
+		$users = array();
+		$tmp_user = null;
+		$tmp_category = null;
+		$cur_user = null;
+
+		foreach ($results as $row) {
+			$user_uuid = $row['id'];
+
+			// Check if user is the same as last user
+			if ($user_uuid !== $tmp_user) {
+				if ($tmp_user !== null) {
+					$users[] = $cur_user;
+					$tmp_category = null;
+				}
+				$tmp_user = $user_uuid;
+
+				$cur_user = array(
+					'uuid' => $user_uuid,
+					'categories' => array()
+				);
+			}
+
+			$cur_category = $row['category'];
+			$cur_info = $row['info'];
+
+			// Check if category already exist for cur_user
+			foreach ($cur_user['categories'] as $category) {
+				if (isset($category['name']) && $category['name'] === $cur_category) {
+					$tmp_category = true;
+					break;
+				}
+			}
+
+			// Add category if it doesn't exists for cur_user
+			if (!$tmp_category) {
+				$cur_user['categories'][] = array(
+					"name" => $cur_category,
+					"infos" => array()
+				);
+			}
+
+			// Add info to current category
+			foreach ($cur_user['categories'] as &$c) {
+				if ($c['name'] === $cur_category) {
+					$c["infos"][] = array(
+						"json" => $cur_info
+					);
+					break;
+				}
+			}
+
+			error_log(json_encode($cur_user));
+		}
+
+		$users[] = $cur_user;
+
+		$json = json_encode($users, JSON_PRETTY_PRINT);
+		return $json;
+	}
+
+	public function insertModel(string $user_uuid, string $category, string $model)
+	{
+		return 0;
+	}
+}

app/routes.php

@@ -3,6 +3,7 @@
 declare(strict_types=1);
 require_once "gateway/user_gateway.php";
 require_once "gateway/file_gateway.php";
+require_once "gateway/ai_gateway.php";
 require_once "database_con.php";
 require_once "token.php";
 require_once "helpers.php";
@@ -16,9 +17,10 @@ use Psr\Http\Message\ResponseInterface as Response;
 use Psr\Http\Message\ServerRequestInterface as Request;
 use Slim\App;
 use Slim\Exception\HttpNotFoundException;
-use gateway\UserGateway;
-use Config\Token;
+use Gateway\UserGateway;
+use Gateway\AiGateway;
 use Gateway\FileGateway;
+use Config\Token;
 
 return function (App $app) {
     $app->options('/{routes:.+}', function ($request, $response, $args) {
@@ -265,6 +267,22 @@ return function (App $app) {
         return $res->withStatus(200);
     });
 
+    // ===== IA =====
+    $app->get('/ai/data', function(Request $req, Response $res) {
+       // TODO: Authentication python server
+        $json = (new AiGateway)->getUsersCategoryAndInfo();
+        $res = $res->withHeader('Content-type','application/json');
+        $res->getBody()->write($json);
+        return $res;
+    });
+
+    $app->post('/ai/data', function(Request $req, Response $res) {
+        // TODO: Authentication python server
+        // Check uuid, category, model in json
+        
+        return $res; 
+    });
+
     $app->map(['GET', 'POST', 'PUT', 'DELETE', 'PATCH'], '/{routes:.+}', function ($request, $response) {
         throw new HttpNotFoundException($request);
     });