feat: render the dummy test in json

README.md

@@ -1,15 +1,17 @@
 # urupam
 
-`urupam` is a small URL shortener written in Perl with Mojolicious, using Redis for storage.
+`urupam` is a lightweight URL shortener built with Perl and Mojolicious, and backed by Redis.
 
-## Requirements
+## Basic requirements
 
 - Perl 5.42.0
-- Mojolicious 9.42
+- Carton (handles perl deps)
+- Redis
 
 ## Roadmap
 
-- [ ] connect to redis
+- [x] create installation script
+- [x] connect to redis + setter and getter operations
 - [ ] create dummy API endpoints
 - [ ] decide how to handle short url generation
 - [ ] avoid collisions in short urls
@@ -17,7 +19,6 @@
 - [ ] validate URLs and handle errors
 - [ ] create a simple and clean UI
 - [ ] manage/delete short urls
-- [ ] create `Makefile.PL`
 - [ ] create systemd service
 - [ ] create `Dockerfile`
 - [ ] create `docker-compose.yml`
@@ -25,8 +26,6 @@
 
 ## How to run
 
-### Dev
-
 To run the application in development, you'll first need a Redis server. The easiest way is to start a local Redis instance using Docker:
 
 ```sh
@@ -47,18 +46,15 @@ carton exec morbo bin/urupam
 
 Open [http://127.0.0.1:3000](http://127.0.0.1:3000) in your browser.
 
-### Install
+## Installation
 
-Use the provided `Makefile.pl`:
+Run the installation script:
 
 ```sh
-perl Makefile.PL
+scripts/install.sh
-make
-make test
-sudo make install
 ```
 
-Activate/enable the systemd service:
+Enable and start the systemd service:
 
 ```sh
 sudo systemctl enable --now urupam

cpanfile

@@ -1,2 +1,3 @@
 requires 'Mojolicious', '>= 9.0';
 requires 'Moose';
+requires 'Mojo::Redis2';

cpanfile.snapshot

@@ -141,6 +141,20 @@ DISTRIBUTIONS
       perl 5.006
       strict 0
       warnings 0
+  Mojo-Redis2-0.32
+    pathname: D/DB/DBOOK/Mojo-Redis2-0.32.tar.gz
+    provides:
+      Mojo::Redis2 0.32
+      Mojo::Redis2::Backend undef
+      Mojo::Redis2::Bulk undef
+      Mojo::Redis2::Client undef
+      Mojo::Redis2::Cursor undef
+      Mojo::Redis2::Server undef
+      Mojo::Redis2::Transaction 0.01
+    requirements:
+      ExtUtils::MakeMaker 0
+      Mojolicious 7.50
+      Protocol::Redis 1.0
   Mojolicious-9.42
     pathname: S/SR/SRI/Mojolicious-9.42.tar.gz
     provides:
@@ -787,6 +801,16 @@ DISTRIBUTIONS
       Scalar::Util 1.18
       XSLoader 0.22
       parent 0
+  Protocol-Redis-1.0021
+    pathname: U/UN/UNDEF/Protocol-Redis-1.0021.tar.gz
+    provides:
+      Protocol::Redis 1.0021
+      Protocol::Redis::Test undef
+    requirements:
+      Carp 0
+      ExtUtils::MakeMaker 0
+      Test::More 0.94
+      perl 5.008001
   Sub-Exporter-0.991
     pathname: R/RJ/RJBS/Sub-Exporter-0.991.tar.gz
     provides:

lib/Urupam/App.pm

@@ -1,19 +1,50 @@
 package Urupam::App;
 
 use Mojo::Base 'Mojolicious';
-use Moose;
+use Urupam::DB;
 
 sub startup {
     my $self = shift;
 
+    $self->helper(
+        db => sub {
+            my $c = shift;
+            $c->stash->{db} ||= Urupam::DB->new;
+        }
+    );
+
     my $r = $self->routes;
     $r->get('/')->to(
         cb => sub {
-            my $c = shift;
+            my $c  = shift;
-            $c->render( text => 'Hello from urupam!' );
+            my $tx = $c->render_later->tx;
+            my $db = $c->db;
+
+            $db->set( 'test_key' => '123soleil' )->then(
+                sub {
+                    $c->app->log->info('Value set: test_key => 123soleil');
+                    return $db->get('test_key');
+                }
+            )->then(
+                sub {
+                    my $value = shift;
+                    $c->app->log->info("Value retrieved: $value");
+                    $c->render( json => { status => 'ok', value => $value } );
+                    undef $tx;
+                }
+            )->catch(
+                sub {
+                    my $err = shift;
+                    $c->app->log->error("DB error: $err");
+                    $c->render(
+                        json   => { status => 'error', message => "$err" },
+                        status => 500
+                    );
+                    undef $tx;
+                }
+            );
         }
     );
 }
 
 1;
-

lib/Urupam/DB.pm

@@ -0,0 +1,36 @@
+package Urupam::DB;
+
+use Mojo::Base -base;
+use Mojo::Promise;
+use Mojo::Redis2;
+
+has redis => sub {
+    Mojo::Redis2->new( url => $ENV{REDIS_URL} || 'redis://localhost:6379' );
+};
+
+sub get {
+    my ( $self, $key ) = @_;
+    my $promise = Mojo::Promise->new;
+    $self->redis->get(
+        $key => sub {
+            my ( $redis, $err, $value ) = @_;
+            $err ? $promise->reject($err) : $promise->resolve($value);
+        }
+    );
+    return $promise;
+}
+
+sub set {
+    my ( $self, $key, $value ) = @_;
+    my $promise = Mojo::Promise->new;
+    $self->redis->set(
+        $key => $value,
+        sub {
+            my ( $redis, $err, $result ) = @_;
+            $err ? $promise->reject($err) : $promise->resolve($result);
+        }
+    );
+    return $promise;
+}
+
+1;

scripts/install.sh

@@ -0,0 +1,62 @@
+#!/bin/bash
+# simple helper to deploy urupam
+
+# fail-fast
+set -euo pipefail
+
+# get root or get out
+if [[ $(id -u) != 0 ]]; then
+  echo "Please use sudo or run as root."
+  exit 1
+fi
+
+# check carton
+if ! command -v carton &>/dev/null; then
+  echo "carton not found."
+  exit 1
+fi
+
+# check redis
+if ! ss -ltn | grep -q ":6379"; then
+  echo "Redis isn't running, check README."
+fi
+
+# create urupam user
+groupadd urupam
+useradd -s /bin/bash -g urupam -d /opt/urupam urupam
+
+# deploy code
+cp -r bin lib cpan* /opt/urupam
+chown -R urupam:urupam /opt/urupam
+
+# install dependencies
+su - urupam -c "cd /opt/urupam && carton install ."
+
+# create systemd service
+cat >>/etc/systemd/system/urupam.service <<EOF
+[Unit]
+Description=Urupam
+After=network.target
+
+[Service]
+Type=simple
+User=urupam
+Group=urupam
+WorkingDirectory=/opt/urupam
+ExecStart=carton exec -- bin/urupam
+Restart=on-failure
+RestartSec=5
+
+[Install]
+WantedBy=multi-user.target
+EOF
+systemctl daemon-reload
+
+# install documentation
+mkdir -p /usr/share/doc/urupam
+cp README.md LICENSE /usr/share/doc/urupam
+
+# enable and start service
+systemctl enable --now urupam
+
+exit 0