parsed message paragragh spacing fixes

lib/plantnet/parser.ex

@@ -82,15 +82,7 @@ defmodule PlantIdDiscordBot.PlantNet.Parser do
     best_result_iucn_category = best_result["iucn"]["category"]
     score = round(best_result["score"] * 100) |> Integer.to_string()
 
-    """
-    My best guess is **#{best_guess_name}** with a confidence of **#{score}%**. Common names include **#{Enum.join(best_result["species"]["commonNames"], ", ")}**.
-
-    [GBIF](<#{best_result["gbif_url"]}>) | [PFAF](<#{best_result["pfaf_url"]}>) | [POWO](<#{best_result["powo_url"]}>)
-
-    #{if best_result_iucn_category, do: "Threat status: #{best_result_iucn_category}", else: ""}
-
-    #{get_alternatives(other_results)}
-    """
+    "My best guess is **#{best_guess_name}** with a confidence of **#{score}%**. Common names include **#{Enum.join(best_result["species"]["commonNames"], ", ")}**.\n\n[GBIF](<#{best_result["gbif_url"]}>) | [PFAF](<#{best_result["pfaf_url"]}>) | [POWO](<#{best_result["powo_url"]}>)#{if best_result_iucn_category, do: "\n\nThreat status: #{best_result_iucn_category}"}#{get_alternatives(other_results)}"
   end
 
   @spec generate_gbif_url(map()) :: map()
@@ -122,13 +114,13 @@ defmodule PlantIdDiscordBot.PlantNet.Parser do
 
   defp get_alternatives(data) do
     if length(data) === 0 do
-      "No alternatives found."
+      "\n\nNo alternatives found."
     else
       alternatives =
         Enum.map(data, & &1["species"]["scientificNameWithoutAuthor"])
         |> Enum.join(", ")
 
-      "Alternatives include **#{alternatives}**."
+      "\n\nAlternatives include **#{alternatives}**."
     end
   end
 end

test/plantnet/parser_test.exs

@@ -34,4 +34,24 @@ defmodule PlantIdDiscordBotTest.PlantNet.Parser do
 
     refute String.contains?(message, "Threat status: ")
   end
+
+  describe "message paragraph spacing" do
+    test "iucn data plus alternatives" do
+      message =
+        PlantNetFixtures.parsed_response_with_urls()
+        |> Parser.generate_response_message()
+
+      assert message ==
+               "My best guess is **Prunus cerasifera** with a confidence of **88%**. Common names include **Cherry plum, myrobalan, Cherry Plum, Purple-leaf Plum**.\n\n[GBIF](<https://www.gbif.org/species/3021730>) | [PFAF](<https://pfaf.org/user/Plant.aspx?LatinName=/Prunus+cerasifera>) | [POWO](<https://powo.science.kew.org/taxon/729568-1>)\n\nThreat status: DD\n\nAlternatives include **Prunus × cistena**."
+    end
+
+    test "no iucn data" do
+      message =
+        PlantNetFixtures.parsed_response_with_urls_no_iucn()
+        |> Parser.generate_response_message()
+
+      assert message ==
+               "My best guess is **Prunus cerasifera** with a confidence of **88%**. Common names include **Cherry plum, myrobalan, Cherry Plum, Purple-leaf Plum**.\n\n[GBIF](<https://www.gbif.org/species/3021730>) | [PFAF](<https://pfaf.org/user/Plant.aspx?LatinName=/Prunus+cerasifera>) | [POWO](<https://powo.science.kew.org/taxon/729568-1>)\n\nAlternatives include **Prunus × cistena**."
+    end
+  end
 end