refactor: 💡 UrlHelper validate_url

.gitignore

@@ -36,5 +36,3 @@ _dev*
 _stag*
 _prod*
 nohup.out
-
-.env

README.md

@@ -60,12 +60,8 @@ docker compose up
 ```
 
 ```sh
-# Create .env file
-cp .env.template .env
-```
-
-Run app
+# Run
+export TELEGRAM_BOT_TOKEN=<YOUR_TELEGRAM_BOT_TOKEN>
 
-```sh
-sh start.sh
+iex -S mix run --no-halt
 ```

lib/migration/typesense.ex

@@ -1,6 +1,8 @@
 defmodule Migration.Typesense do
   alias SmallSdk.Typesense
 
+  import Tj.UrlHelper, only: [validate_url!: 1]
+
   def create_collection!(schema) do
     req = build_request("/collections")
     res = Req.post!(req, json: schema)
@@ -16,7 +18,8 @@ defmodule Migration.Typesense do
   end
 
   defp get_env() do
-    url = Application.fetch_env!(:save_it, :typesense_url)
+    url = Application.fetch_env!(:save_it, :typesense_url) |> validate_url!()
+
     api_key = Application.fetch_env!(:save_it, :typesense_api_key)
 
     {url, api_key}

lib/save_it/photo_service.ex

@@ -2,6 +2,8 @@ defmodule SaveIt.PhotoService do
   require Logger
   alias SmallSdk.Typesense
 
+  import Tj.UrlHelper, only: [validate_url!: 1]
+
   def create_photo!(
         %{
           belongs_to_id: belongs_to_id
@@ -115,7 +117,7 @@ defmodule SaveIt.PhotoService do
   end
 
   defp get_env() do
-    url = Application.fetch_env!(:save_it, :typesense_url)
+    url = Application.fetch_env!(:save_it, :typesense_url) |> validate_url!()
     api_key = Application.fetch_env!(:save_it, :typesense_api_key)
 
     {url, api_key}

lib/small_sdk/typesense.ex

@@ -1,6 +1,8 @@
 defmodule SmallSdk.Typesense do
   require Logger
 
+  import Tj.UrlHelper, only: [validate_url!: 1]
+
   def create_document!(collection_name, document) do
     req = build_request("/collections/#{collection_name}/documents")
     res = Req.post(req, json: document)
@@ -70,7 +72,7 @@ defmodule SmallSdk.Typesense do
   end
 
   defp get_env() do
-    url = Application.fetch_env!(:save_it, :typesense_url)
+    url = Application.fetch_env!(:save_it, :typesense_url) |> validate_url!()
     api_key = Application.fetch_env!(:save_it, :typesense_api_key)
 
     {url, api_key}

lib/tj/url_helper.ex

@@ -0,0 +1,11 @@
+defmodule Tj.UrlHelper do
+  def validate_url!(url) do
+    uri = URI.parse(url)
+
+    if uri.scheme in ["http", "https"] and uri.host do
+      url
+    else
+      raise ArgumentError, "Invalid URL: #{url}"
+    end
+  end
+end