field_type.file.js
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field_type.file.js
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	var Promise = require("bluebird");

	var FieldFileType = new Sealious.ChipTypes.FieldType("file");

	FieldFileType.prototype.handles_large_data = true;

	FieldFileType.prototype.isProperValue = function(value){
	if((value instanceof Sealious.File) \|\| (value.filename!==undefined && value.data instanceof Buffer)){
	return Promise.resolve();
	}else{
	var type;
	if(value instanceof Array){
	type = "<Array>. If you want to upload multiple files, use array field types.";
	}else{
	type = typeof data;
	}
	return Promise.reject("Wrong file data format. Shoudl be <Buffer>, but received " + type);
	}
	}

	FieldFileType.prototype.encode = function(value_in_code){
	return Sealious.Dispatcher.files.save_file(value_in_code);
	}


	FieldFileType.prototype.decode = function(context, value_in_database){
	return Promise.resolve(new Sealious.File.Reference(value_in_database.id, value_in_database.filename));
	}

	FieldFileType.prototype.decode.uses_context = true;