lemoncmd · January 5, 2020 17:57 · Jan 5, 2020
diff --git a/v_star_checker.v b/v_star_checker.v
@@ -0,0 +1,40 @@
+import (
+  net.http
+  json
+  math
+)
+
+const (
+  disp_len = 100
+)
+
+struct Data {
+  stargazers_count int
+}
+
+fn get_stargazer(name string) ?Data {
+  resp := http.get('https://api.github.com/repos/$name') or {
+    return error('Cannot fetch GitHub repository `$name`')
+  }
+  if resp.status_code != 200 {
+    return error('Cannot fetch GitHub repository `$name`')
+  }
+  text := resp.text
+  data := json.decode(Data, text) or {
+    return error('Cannot parse json from fetched data')
+  }
+  return data
+}
+
+fn main() {
+  v := get_stargazer('vlang/v')?
+  crystal := get_stargazer('crystal-lang/crystal')?
+  ruby := get_stargazer('ruby/ruby')?
+
+  diff := ruby.stargazers_count - crystal.stargazers_count
+  prog := math.max(f64(0), ruby.stargazers_count - v.stargazers_count) / diff
+
+  done := '|'.repeat(int((f64(1) - prog) * disp_len))
+  notdone := '-'.repeat(int(prog * disp_len))
+  println('crystal|$done\(v)$notdone|ruby')
+}