update README.md, fix date output

README.md

@@ -471,3 +471,78 @@ There are only 3 tables
 There are simple tests in `tests/` folder. I run them with ctest. You can run them in IDE (I use CLion)
 
 
+<img alt="img.png" src="https://lh3.googleusercontent.com/fife/AGXqzDkUTl-EttEiKHXO3PsQonKRo4or-zgeDI65iNY95JAomaR6r35cj0iptcz6xgUDKCu2YnzFJsgMnT6CKgB1e7y5FMSnNugUaHym5JHSGb4C4kHdgB7Wi5lpfpD-Ka9_7q2FLA5izp080_IURQm0z7zZY7dRgJ7f8JhGe43vdJkej7ZFnknN5aHNNl5v1Zqw2hKNpHQDbGOCqSaBpTinCMu2One2cZUVgndgQzNiAKy12gEAXGxBi7X1SN1P8fEfxeuV9PBpoO2xsui2xH9mtd6ez2LsTuVSwxU7aIdQeG2EBSOhTycDSGmgJFk55v_CNbU_8JN4xERfMo9r-8qzvJJg-SslDVyFolizZrGKAFLAJFSVsFKFmPXEhn3uGkIuKmM-J4o0nyF_60sKWVjfu0cajbGPblfu79_NTuNgY1CD_VpT7zyuTxZhZVvXhzSW_nIUTLNR7L1iMOtt-qY7WcsIgoaLywm44YxEINf8aryRmZ0BrMw0YYU4Nhv7yFgx4XZQ9TcbiW_7li3jDWG51KxFjYPcV_SUV7EDDuHVXN4MQ5EGose8GCUlyQUJXlV9wKHozwQanHwKajMZMVMHn9kxshS4ceCR6TMOblbyxcHrcK6hIFiDvkMuJPDXoBSqbHv9HrK--xYav1WXk3gYBMVkqrQvVv1U3-GkAzvf-DmgppBzS4NETKyyu9epTOa-GHAmM1LsNWhHqAIJyniUPAwzzhVGbsMAIFyAD7B_dcFsNPkJCNkHjdz8sWAjJNO5dRClb7IISUdcAKxKXQQGU_LBfQnjAGDTeY2tcaJzem_LjpoOVdXWRHW7OmC_WjPU8cQyH1bKSHWc13AnlWeDY1YS4uSj7SwEvX7IGIw9z_bzvBilkleXNY3YosCvBWeO2N47Q3rpV15REHLsJc-riKFILTNinDvpkEmTz3Ko-U8DfL-D3EIgeZYOhwLHU2kmRDmxB4BBnnVAWqNDE9eBFutGkFu-AVmHMiVhgoW8kEFRZ4uZ4NysBFNdC9w7nhPCgVQc5QMtjPwJ7lRrWxhyE4C8AqAYiWOp69jiGO_b70V4GJ4a-SKjdTQlwi0Qta9CdB6yrw7SO15mWtZO1gdOX-guU4Zjv2T7hyuoZSEO1nqX6r9gucxyHo70OHujTkWdIYWfmd-98_buNcOtvWxZmK6_q8ltrpMt8dmw_QEQEubigNZ8u62XCf23b3nN7i4jN1_4NuXtIeEG8NQxZ3ASaOQkbX8kd15l5DHx47xY4EhFMIbzxCk-n1z3a5kZb6kHN7IuIjsEl8xRDfYlABPAP049mYx4WcFqvpRlffseq83SRp8HjPfAYrJOTZ4qWFkNfbG8Nus1fXa6vytQw9SPobajvoBb3K9QNXQAg69Z0qcom_7xzvj7W3DNCslVVwYsl5FGVDlnlI7LJ0zOfPdWuvNdJSL8rNQD96f-m1Q--QzzCI3Z07dQz7xCyR7s5zNBjWRiCXxoS3yqbIEDA_hfDCUK7txSPcBF9cvqsWR_CTJoJ1asbli8-fy7xqOmw9FrBr4FIBuvQElKPNY1aPsUhOy5krxPsAO2kpH9CLesEObKNhJ3mvGAKZ2zFeMl-CcDkne9BfiPTnXigkfxwIFTJA4F2YF5L8FRDzb81Q=w2560-h1308" width="800"/>
+
+## Use cases
+
+Register 2 users - admin with name `a` and customer with name `c`:
+
+```commandline
+car_rental_system register -u c -p p
+car_rental_system register -u a -p p -a
+```
+
+Add 2 cars:
+
+```commandline
+car_rental_system car:add -u a -p p --make toyota --model x2 --price-per-day 5 --year 2022 --min-rent 1 --max-rent 100
+car_rental_system car:add -u a -p p --make mazda --model cx-60 --price-per-day 2 --year 2023 --min-rent 7
+```
+
+Show cars:
+
+```commandline
+car_rental_system car:list
+car_rental_system car:list  --start 01/01/2025 --end 01/01/2025
+car_rental_system car:list  --start 01/01/2025 --end 01/02/2025
+car_rental_system car:list  --start 01/01/2025 --end 01/02/2026
+```
+
+Check a rent price to book a toyota car for one week since February 15, 2024:
+
+```commandline
+car_rental_system rent:calculate -i 1 --start 15/02/2024 --end 22/02/2024
+```
+
+Book a toyota car for customer with name `c` for one week since February 15, 2024:
+
+```commandline
+car_rental_system booking:add -i 1 --start 15/02/2024 --end 22/02/2024 -u c -p p
+```
+
+See a new booking with status NEW:
+
+```commandline
+car_rental_system booking:list  -u c -p p
+```
+
+Approve a new booking as admin:
+
+```commandline
+car_rental_system booking:update -i 1  -u a -p p --approve
+```
+
+See a new booking with status APPROVED:
+
+```commandline
+car_rental_system booking:list  -u c -p p
+```
+
+Book a mazda car for customer with name `c` for one week since February 15, 2024:
+
+```commandline
+car_rental_system booking:add -i 2 --start 15/02/2024 --end 22/02/2024 -u c -p p
+```
+
+Reject a new booking as admin:
+
+```commandline
+car_rental_system booking:update -i 2  -u a -p p --reject
+```
+
+See two bookings, the second one with status REJECTED:
+
+```commandline
+car_rental_system booking:list  -u c -p p
+```
+

src/console/command/rent_calculate.cpp

@@ -47,7 +47,7 @@ namespace crs::console::command
         float total_price = rent_service_->calculate(id, start_ymd, end_ymd);
 
         output << "Total payment will be ("
-               << start_ymd << " to " << end_ymd << "): " << total_price << " NZD." << std::endl;
+            << *start_ymd << " to " << *end_ymd << "): " << total_price << " NZD." << std::endl;
     }
 
     void rent_calculate::configure_options(cxxopts::OptionAdder& options_builder)