From 0ab2e5ba2b0631b28b5b1405559237b3913c878f Mon Sep 17 00:00:00 2001
From: Dawid Rycerz <dawid@rycerz.xyz>
Date: Sun, 23 Mar 2025 17:11:39 +0100
Subject: feat: initialize Phoenix application for weather alerts

This commit sets up the initial Silmataivas project structure, including: Phoenix web framework configuration, database models for users and locations, weather polling service, notification system, Docker and deployment configurations, CI/CD pipeline setup
---
 lib/silmataivas/mailer.ex | 44 ++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 44 insertions(+)
 create mode 100644 lib/silmataivas/mailer.ex

(limited to 'lib/silmataivas/mailer.ex')

diff --git a/lib/silmataivas/mailer.ex b/lib/silmataivas/mailer.ex
new file mode 100644
index 0000000..3c11436
--- /dev/null
+++ b/lib/silmataivas/mailer.ex
@@ -0,0 +1,44 @@
+defmodule Silmataivas.Mailer do
+  use Swoosh.Mailer, otp_app: :silmataivas
+  require Logger
+
+  def send_alert(
+        email,
+        %{
+          "main" => %{"temp" => temp},
+          "wind" => %{"speed" => speed},
+          "dt_txt" => time_str
+        } = entry
+      ) do
+    rain_mm = get_in(entry, ["rain", "3h"]) || 0.0
+    wind_kmh = speed * 3.6
+
+    import Swoosh.Email
+
+    body = """
+    🚨 Weather alert for your location (#{time_str}):
+
+    🌬️ Wind: #{Float.round(wind_kmh, 1)} km/h
+    🌧️ Rain: #{rain_mm} mm
+    🌡️ Temperature: #{temp} °C
+
+    Stay safe,
+    — Silmätaivas
+    """
+
+    email_struct =
+      new()
+      |> to(email)
+      |> from({"Silmätaivas Alerts", "silmataivas@rycerz.cloud"})
+      |> subject("⚠️ Weather Alert for Your Location")
+      |> text_body(body)
+
+    case deliver(email_struct) do
+      {:ok, response} ->
+        Logger.info("📨 Email sent via SES: #{inspect(response)}")
+
+      {:error, reason} ->
+        Logger.error("❌ Failed to send email: #{inspect(reason)}")
+    end
+  end
+end
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