From f5a54633dca3599dab82730fd7d550c0289f170f Mon Sep 17 00:00:00 2001
From: Sebastian <sebasjm@gmail.com>
Date: Wed, 17 Jan 2024 10:22:49 -0300
Subject: add translation completeness from pogen to the UI

---
 packages/pogen/src/po2ts.ts | 93 ++++++++++++++++++++++++++++++++++++++++-----
 1 file changed, 83 insertions(+), 10 deletions(-)

(limited to 'packages/pogen')

diff --git a/packages/pogen/src/po2ts.ts b/packages/pogen/src/po2ts.ts
index d37bdb902..0e2a0d6ea 100644
--- a/packages/pogen/src/po2ts.ts
+++ b/packages/pogen/src/po2ts.ts
@@ -19,12 +19,53 @@
  */
 
 // @ts-ignore
-import * as po2json from "po2json";
+import * as po2jsonLib from "po2json";
 import * as fs from "fs";
-import * as path from "path";
 import glob = require("glob");
 
-const DEFAULT_STRING_PRELUDE = "export const strings: any = {};\n\n"
+//types defined by the po2json library
+type Header = {
+  domain: string;
+  lang: string;
+  'plural_forms': string;
+};
+
+type MessagesType = Record<string, undefined | Array<string>> & { "": Header }
+interface pojsonType {
+  // X-Domain or 'messages'
+  domain: string;
+  locale_data: {
+    messages: MessagesType
+  }
+}
+// ----------- end pf po2json
+
+interface StringsType {
+  // X-Domain or 'messages'
+  domain: string;
+  lang: string;
+  completeness: number,
+  'plural_forms': string;
+  locale_data: {
+    messages: Record<string, undefined | Array<string>>
+  }
+}
+
+// This prelude match the types above
+const TYPES_FOR_STRING_PRELUDE = `
+export interface StringsType {
+  domain: string;
+  lang: string;
+  completeness: number;
+  'plural_forms': string;
+  locale_data: {
+    messages: Record<string, any>;
+  };
+};
+`;
+
+const DEFAULT_STRING_PRELUDE = `${TYPES_FOR_STRING_PRELUDE}export const strings: Record<string,StringsType> = {};\n\n`
+
 
 export function po2ts(): void {
   const files = glob.sync("src/i18n/*.po");
@@ -54,16 +95,26 @@ export function po2ts(): void {
     }
 
     const lang = m[1];
-    const pojson = po2json.parseFileSync(filename, {
+    const poAsJson: pojsonType = po2jsonLib.parseFileSync(filename, {
       format: "jed1.x",
       fuzzy: true,
     });
-    const s =
-      "strings['" +
-      lang +
-      "'] = " +
-      JSON.stringify(pojson, null, "  ") +
-      ";\n\n";
+    const header = poAsJson.locale_data.messages[""]
+    const total = calculateTotalTranslations(poAsJson.locale_data.messages)
+    const completeness =
+      header.lang === "en"
+        ? 100 // 'en' is always complete
+        : Math.floor(total.translations * 100 / total.keys);
+
+    const strings: StringsType = {
+      locale_data: poAsJson.locale_data,
+      domain: poAsJson.domain,
+      plural_forms: header.plural_forms,
+      lang: header.lang,
+      completeness,
+    }
+    const value = JSON.stringify(strings, undefined, 2)
+    const s = `strings['${lang}'] = ${value};\n\n`
     chunks.push(s);
   }
 
@@ -71,3 +122,25 @@ export function po2ts(): void {
 
   fs.writeFileSync("src/i18n/strings.ts", tsContents);
 }
+
+function calculateTotalTranslations(msgs: MessagesType): { keys: number, translations: number } {
+  const kv = Object.entries(msgs)
+  const [keys, translations] = kv.reduce(([total, withTranslation], translation) => {
+    if (!translation || translation.length !== 2 || !translation[1]) {
+      //curent key is empty
+      return [total, withTranslation]
+    }
+    const v = translation[1]
+    if (!Array.isArray(v)) {
+      // this is not a translation
+      return [total, withTranslation]
+    }
+    if (!v.length || !v[0].length) {
+      //translation is missing
+      return [total + 1, withTranslation]
+    }
+    //current key has a translation
+    return [total + 1, withTranslation + 1]
+  }, [0, 0])
+  return { keys, translations }
+}
\ No newline at end of file
-- 
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