🔧 Fix for https://github.com/rishighan/threetwo/issues/10

src/client/shared/utils/metadata.utils.ts

@@ -0,0 +1,60 @@
+import { filter, isEmpty, isUndefined, min, minBy } from "lodash";
+import { LIBRARY_SERVICE_HOST } from "../../constants/endpoints";
+import { escapePoundSymbol } from "./formatting.utils";
+
+export const determineCoverFile = (data) => {
+  /* For a payload like this:
+  const foo = {
+    rawFileDetails: {}, // #1
+    comicInfo: {},
+    comicvine: {}, // #2
+    locg: {}, // #3
+  };
+  */
+  const coverFile = {
+    rawFile: {
+      priority: 1,
+      url: "",
+      issueName: "",
+    },
+    comicvine: {
+      priority: 2,
+      url: "",
+      issueName: "",
+    },
+    locg: {
+      priority: 3,
+      url: "",
+      issueName: "",
+    },
+  };
+  if (
+    !isUndefined(data.comicvine) &&
+    !isUndefined(data.comicvine.volumeInformation)
+  ) {
+    coverFile.comicvine.url = data.comicvine.image.small_url;
+    coverFile.comicvine.issueName = data.comicvine.name;
+  }
+  if (!isEmpty(data.rawFileDetails.cover)) {
+    const encodedFilePath = encodeURI(
+      `${LIBRARY_SERVICE_HOST}/${data.rawFileDetails.cover.filePath}`,
+    );
+    coverFile.rawFile.url = escapePoundSymbol(encodedFilePath);
+    coverFile.rawFile.issueName = data.rawFileDetails.name;
+  }
+  if (!isUndefined(data.locg)) {
+    coverFile.locg.url = data.locg.cover;
+    coverFile.locg.issueName = data.locg.name;
+  }
+
+  const result = filter(coverFile, (item) => item.url !== "");
+
+  if (result.length > 1) {
+    const highestPriorityCoverFile = minBy(result, (item) => item.priority);
+    if (!isUndefined(highestPriorityCoverFile)) {
+      return highestPriorityCoverFile;
+    }
+  } else {
+    return result[0];
+  }
+};