Added stats endpoint prototype

public/api/getStats.php

@@ -0,0 +1,38 @@
+<?php
+session_start();
+require_once(__DIR__ . "/services/apiBranch.inc.php");
+require_once(__DIR__ . "/services/jsonBuilder.inc.php");
+require_once(__DIR__ . "/services/responses.inc.php");
+require_once(__DIR__ . "/services/jugglDbApi.inc.php");
+
+class GetStatsBranch extends ApiBranch
+{
+    function get(ParamCleaner $params)
+    {
+        respondStatus(405);
+    }
+
+    function post(ParamCleaner $params)
+    {
+        $user_id = $params->get("user_id");
+
+        $from_date = date("Y-m-d");
+        if ($params->exists(["from_date"])) {
+            $from_date = $params->get("from_date");
+        }
+        $until_date = date("Y-m-d");
+        if ($params->exists(["until_date"])) {
+            $until_date = $params->get("until_date");
+        }
+
+        $stats = getStats($user_id, $from_date, $until_date);
+
+        $json = new JsonBuilder();
+        $json->addStats($stats);
+
+        respondJson($json);
+    }
+}
+
+$branch = new GetStatsBranch();
+$branch->execute();

public/api/services/dbOperations.inc.php

@@ -55,6 +55,22 @@ class DbOperations
         return $this;
     }
 
+    function groupBy(array $attributes, bool $addTableName = true)
+    {
+        for ($i = 0; $i < count($attributes); $i++) {
+            $a = $attributes[$i];
+            // Add table name prefix if missing
+            if ($addTableName && strpos($a, ".") === false) {
+                $attributes[$i] = "$this->table.$a";
+            }
+        }
+        $formattedAttributes = implode(', ', $attributes);
+
+        $this->addToQuery("GROUP BY $formattedAttributes");
+
+        return $this;
+    }
+
 
     function orderBy(string $attribute, string $order = Order::ASC)
     {

public/api/services/jsonBuilder.inc.php

@@ -97,6 +97,27 @@ class JsonBuilder
         return $this;
     }
 
+    function addStats(array $stats)
+    {
+        if ($stats === null) return;
+
+        $columns = array(
+            "name" => "",
+            "project_id" => "",
+            "color" => "",
+            "visible" => "",
+            "duration" => "",
+            "record_count" => "",
+            "date" => ""
+        );
+
+        $this->jsonData['stats'] = array();
+        foreach ($stats as $tag) {
+            $this->jsonData['stats'][] = $this->createJsonArray($tag, $columns);
+        }
+        return $this;
+    }
+
     private function createJsonArray(array $data, array $columns)
     {
         $jsonArray = array();

public/api/services/jugglDbApi.inc.php

@@ -464,3 +464,27 @@ function removeTagFromRecord($tag_id, $record_id)
     $db->where("record_id", Comparison::EQUAL, $record_id);
     $db->execute();
 }
+
+function getStats($user_id, $from_date, $until_date) {
+    $sum_duration = "SUM(ju_time_records.duration) AS duration";
+    $date = "DATE(ju_time_records.start_time) AS date";
+    $record_count = "COUNT(*) AS record_count";
+
+    $where1 = " AND DATE(ju_time_records.start_time) >= DATE( ";
+    $where2 = " ) AND DATE(ju_time_records.start_time) <= DATE( ";
+    $where3 = " ) AND ju_time_records.end_time IS NOT NULL ";
+
+    $db = new DbOperations();
+    $db->select("projects", ["name", "project_id", "color", "visible", $sum_duration, $date, $record_count], false);
+    $db->innerJoin("time_records", "project_id");
+
+    $db->where("user_id", Comparison::EQUAL, $user_id);
+    $db->addSql($where1);
+    $db->addValue($from_date);
+    $db->addSql($where2);
+    $db->addValue($until_date);
+    $db->addSql($where3);
+
+    $db->groupBy(["project_id", "date"]);
+    return $db->execute();
+}