Class: Validator::FileValidator

Inherits:
Object
  • Object
show all
Defined in:
lib/mylookup/validator.rb

Overview

File Validator to validate the input paths of a file

Instance Method Summary collapse

Constructor Details

#initialize(path, coll: '') ⇒ FileValidator

Returns a new instance of FileValidator.



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# File 'lib/mylookup/validator.rb', line 58

def initialize(path, coll: '')
    @path = path
    @coll = coll 
end

Instance Method Details

#validate ⇒ Object 



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# File 'lib/mylookup/validator.rb', line 63

def validate
    if is_excel_file
        if excel_file_exists
            [true, "#{@path} does exist"]
        else
            return [false, "#{@path} does not exist"]
        end
    else
        if @path =~ /\./i
            return false, "#{@path} is neither an excel file nor a MongoDB collection" 
        else
            db = File.split(@path)[1]
            mongo_conn = Connector::MongoConnector.new(@coll, db_name: db)
            unless mongo_conn.collection_exists?
                return [false, "'#{@path}' collection in MongoDB does not exist"]
            else
                return true, "'#{@path}' is a MongoDB collection"
            end
        end
    end
end