Promisify data flow in POST request

2 files changed, 32 insertions, 19 deletions

diff --git a/src/formats.ts b/src/formats.ts
index 1b5a572..4b432e3 100644
--- a/src/formats.ts
+++ b/src/formats.ts
@@ -3,7 +3,7 @@ import { InvalidReportDocumentError } from "./errors";
 export interface Format {
   // returns the coverage value as %: Number(90.0), Number(100.0), Number(89.5)
   parse_coverage: (file: Document) => number | InvalidReportDocumentError;
-  match_color: (coverage: number, stage_1: number, stage_2: number) => string;
+  match_color: (coverage: number, style: GradientStyle) => string;
 }
 
 interface FormatList {
@@ -16,18 +16,19 @@ interface FormatObj {
   get_format: (format: string) => Format;
 }
 
+export interface GradientStyle {
+  stage_1: number;
+  stage_2: number;
+}
+
 // color is a gradient from green (>=stage_1) -> yellow (stage_2) -> red. Stage values should come from metadata.
-const default_color_matches = (
-  coverage: number,
-  stage_1: number,
-  stage_2: number
-) => {
+const default_color_matches = (coverage: number, style: GradientStyle) => {
   const gradient =
-    coverage >= stage_1
+    coverage >= style.stage_1
       ? 15
-      : coverage >= stage_2
-      ? (Math.floor(coverage) - stage_2) * 16 + 15
-      : 240 + Math.floor(coverage / (stage_2 / 15));
+      : coverage >= style.stage_2
+      ? (Math.floor(coverage) - style.stage_2) * 16 + 15
+      : 240 + Math.floor(coverage / (style.stage_2 / 15));
   return gradient.toString(16) + "0";
 };
 
diff --git a/src/routes.ts b/src/routes.ts
index 4bfee0d..9d435af 100644
--- a/src/routes.ts
+++ b/src/routes.ts
@@ -5,7 +5,7 @@ import winston from "winston";
 import path from "path";
 import fs from "fs";
 
-import formats from "./formats";
+import formats, { GradientStyle } from "./formats";
 import Metadata, { HeadIdentity } from "./metadata";
 import { config_or_error } from "./util/config";
 import logger_config from "./util/logger";
@@ -53,18 +53,30 @@ export default (metadata: Metadata) => {
         return res.status(400).send(result.message);
       }
 
-      const badge = badgen({
-        label: "coverage",
-        status: Math.floor(coverage).toString() + "%",
-        //TODO @Metadata stage values should come from metadata
-        color: formatter.match_color(coverage, 95, 80)
-      });
-
       const report_path = path.join(HOST_DIR, org, repo, branch, commit);
 
       fs.promises
         .mkdir(report_path, { recursive: true })
-        .then(() =>
+        .then(
+          () =>
+            //TODO @Metadata stage values should come from metadata
+            new Promise<GradientStyle>(solv =>
+              solv({ stage_1: 95, stage_2: 80 })
+            )
+        )
+        .then(
+          style =>
+            new Promise(solv =>
+              solv(
+                badgen({
+                  label: "coverage",
+                  status: Math.floor(coverage).toString() + "%",
+                  color: formatter.match_color(coverage, style)
+                })
+              )
+            )
+        )
+        .then(badge =>
           fs.promises.writeFile(path.join(report_path, "badge.svg"), badge)
         )
         .then(() =>