Rebuild BR Issue_5048

Moves calls to compress/decompress the text/textBin document members to the hombrewery model code. Compression is done in a save().pre setup. Decompression was already handled in the static for loading a brew but the textBin member was not emptied on decompression.

server/homebrew.model.js

@@ -32,6 +32,13 @@ const HomebrewSchema = mongoose.Schema({
 	lock : { type: Object, index: true }
 }, { versionKey: false });
 
+HomebrewSchema.pre('save', ()=>{
+	if(!this.googleId) {
+		this.textBin = zlib.deflateRawSync(this.text);
+		this.text = undefined;
+	}
+});
+
 HomebrewSchema.statics.increaseView = async function(query) {
 	const brew = await Homebrew.findOne(query).exec();
 	brew.lastViewed = new Date();
@@ -51,6 +58,7 @@ HomebrewSchema.statics.get = async function(query, fields=null){
 	if(!_.isNil(brew.textBin)) {			// Uncompress zipped text field
 		const unzipped = zlib.inflateRawSync(brew.textBin);
 		brew.text = unzipped.toString();
+		brew.textBin = undefined;
 	}
 	return brew;
 };