fix: replace more wrong comparisons

Author: yknx4

lib/opencov/services/github/checks.ex

@@ -6,6 +6,7 @@ defmodule Librecov.Services.Github.Checks do
   alias Librecov.Project
   alias Librecov.Services.Github.AuthData
   import Librecov.Helpers.Coverage
+  import Librecov.Helpers.Number
 
   def finish_check(
         %AuthData{token: token, owner: owner, repo: repo},
@@ -81,7 +82,7 @@ defmodule Librecov.Services.Github.Checks do
     )
   end
 
-  defp diff_conclusion(diff) when diff == 0, do: "neutral"
+  defp diff_conclusion(diff) when is_zero(diff), do: "neutral"
   defp diff_conclusion(diff) when diff < 0, do: "failure"
   defp diff_conclusion(diff) when diff > 0, do: "success"
 end

lib/web/views/common_view.ex

@@ -1,11 +1,12 @@
 defmodule Librecov.CommonView do
+  import Librecov.Helpers.Number
   def format_coverage(num) when is_float(num), do: "#{Float.round(num, 1)}%"
   def format_coverage(_), do: "NA"
 
   def coverage_color(coverage) do
     cond do
       is_nil(coverage) -> "na"
-      coverage == 0 -> "none"
+      is_zero(coverage) -> "none"
       coverage < 80 -> "low"
       coverage < 90 -> "normal"
       coverage < 100 -> "good"