Well, generaly I don't wait for the db to throw a duplication error to warn the user that he needs to pick up another username. But of course, if the form is 100% valid I still need to take care about his username at the db layer.
Another example: I need to check if a file exists, send a request to a rest server to check the file metadata and convert a markdown field to HTML using the GitHub's API, that would be a hell of a process that I can't encapsulate inside all those validation modules mentioned here without spliting the process a couple of times. That's the main idea about the validation/sanitization module that I'm building: async from ground up. -- Att, Alan Hoffmeister 2013/1/22 Pedro Teixeira <[email protected]> > Duplicate validation should be handled at the persistence layer, not in > Node, since you have a concurrency issue there (think of 2 simultaneous > requests). > > -- > Pedro > > On Tuesday, January 22, 2013 at 11:06 AM, Alan Hoffmeister wrote: > > So how do you validate duplicated username, e-mail, etc..? As far as I > could see I need to split the validation process for this, and I think that > this is fucking up with the validation. > > -- > Att, > Alan Hoffmeister > > > 2013/1/22 Jake Verbaten <[email protected]> > > Your validating logic is only async if it does IO. > > If your validation does IO you fucked up. You don't need async support. > > > On Mon, Jan 21, 2013 at 10:11 AM, Alan Hoffmeister < > [email protected]> wrote: > > Katsumoto, thats a nice well known package, but I think that lacks async > support. > > -- > Att, > Alan Hoffmeister > > > 2013/1/21 Katsumoto <[email protected]> > > take a look at https://github.com/chriso/node-validator > > пятница, 18 января 2013 г., 13:07:13 UTC+2 пользователь Alan Hoffmeister > написал: > > Hello fellows! > > How are you doing data validation like forms and other user inputs? I know > that there is some modules to do that but my intention is to do a > brainstorm to gather ideas for a new module that I'm developing. > > Thanks. > > -- > Att, > Alan Hoffmeister > > -- > Job Board: http://jobs.nodejs.org/ > Posting guidelines: > https://github.com/joyent/node/wiki/Mailing-List-Posting-Guidelines > You received this message because you are subscribed to the Google > Groups "nodejs" group. > To post to this group, send email to [email protected] > To unsubscribe from this group, send email to > [email protected] > For more options, visit this group at > http://groups.google.com/group/nodejs?hl=en?hl=en > > > -- > Job Board: http://jobs.nodejs.org/ > Posting guidelines: > https://github.com/joyent/node/wiki/Mailing-List-Posting-Guidelines > You received this message because you are subscribed to the Google > Groups "nodejs" group. > To post to this group, send email to [email protected] > To unsubscribe from this group, send email to > [email protected] > For more options, visit this group at > http://groups.google.com/group/nodejs?hl=en?hl=en > > > -- > Job Board: http://jobs.nodejs.org/ > Posting guidelines: > https://github.com/joyent/node/wiki/Mailing-List-Posting-Guidelines > You received this message because you are subscribed to the Google > Groups "nodejs" group. > To post to this group, send email to [email protected] > To unsubscribe from this group, send email to > [email protected] > For more options, visit this group at > http://groups.google.com/group/nodejs?hl=en?hl=en > > > -- > Job Board: http://jobs.nodejs.org/ > Posting guidelines: > https://github.com/joyent/node/wiki/Mailing-List-Posting-Guidelines > You received this message because you are subscribed to the Google > Groups "nodejs" group. > To post to this group, send email to [email protected] > To unsubscribe from this group, send email to > [email protected] > For more options, visit this group at > http://groups.google.com/group/nodejs?hl=en?hl=en > > > -- > Job Board: http://jobs.nodejs.org/ > Posting guidelines: > https://github.com/joyent/node/wiki/Mailing-List-Posting-Guidelines > You received this message because you are subscribed to the Google > Groups "nodejs" group. > To post to this group, send email to [email protected] > To unsubscribe from this group, send email to > [email protected] > For more options, visit this group at > http://groups.google.com/group/nodejs?hl=en?hl=en > -- Job Board: http://jobs.nodejs.org/ Posting guidelines: https://github.com/joyent/node/wiki/Mailing-List-Posting-Guidelines You received this message because you are subscribed to the Google Groups "nodejs" group. To post to this group, send email to [email protected] To unsubscribe from this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/nodejs?hl=en?hl=en
