Correctly handle messages that send base64-encoded parts in a slightl…

…y different format

src/GmailAPI.ts

@@ -217,10 +217,18 @@ async function saveMail(settings: ObsGMailSettings, id: string) {
     // Fetch the last mail in the threads
     const payload = res.data.messages.pop().payload
     const dst:mail_obj = {assets: Array<any>(), mhtml:"", mtxt:""}
-    flatten_parts(dst, payload.parts)
+	const parts = payload.parts ? payload.parts : [payload]
+    flatten_parts(dst, parts)
     if(dst.mhtml=="" && dst.mtxt==""){
-        dst.mhtml = dst.assets.pop().body.data;
-        dst.mtxt = dst.mhtml;
+		let bodyText = ""
+		const htmlAsset = dst.assets.find((asset)=> asset.mimeType == "text/html" || asset.mimeType == "text/plain");
+		if(htmlAsset) {
+			bodyText = htmlAsset.body ? htmlAsset.body.data : htmlAsset.data
+		} else {
+			console.warn("no body found")
+		}
+        dst.mhtml = bodyText
+        dst.mtxt = bodyText
     }
     console.log("DST:")
     console.log(payload)

src/mailProcess.ts

@@ -14,14 +14,27 @@ async function getMailTitle(title_candidates) {
 
 async function getBody(bodys:any, format:any){
     let body = ''
+	const normalizedBodys = bodys.map((b:any) => {
+		if(typeof b == "object"){
+			if(b.data)
+				return b.data
+			else {
+			return ""
+			}
+		} else if (typeof b == "string") {
+			return b
+		} else {
+			throw new Error("Unknown body type")
+		}
+	})
     if (format == "htmlmd")
-        body = await processHTMLBody(bodys[1].data || "")
+        body = await processHTMLBody(normalizedBodys[1])
     else if (format == "text")
-        body = await processPTBody(bodys[0].data  || "")
+        body = await processPTBody(normalizedBodys[0])
     else
-        body = await processRawBody(bodys[1].data || "")
+        body = await processRawBody(normalizedBodys[1])
     if (body=="")
-        body = await processRawBody(bodys[1].data || bodys[0].data || "")
+        body = await processRawBody(normalizedBodys[1] || normalizedBodys[0] || "")
     return body
 }
 
@@ -151,4 +164,4 @@ export async function incr_filename(title: string, folder: string) {
         idx++
     }
     return `${folder}/${tmp}.${ext}`
-}
+}