On Saturday, January 26, 2019 at 12:56:04 PM UTC-5, Walter Lee Davis wrote:
>
>
> > On Jan 26, 2019, at 5:27 AM, fugee ohu <fuge...@gmail.com <javascript:>>
> wrote:
> >
> >
> >
> > On Friday, January 25, 2019 at 9:06:22 AM UTC-5, Walter Lee Davis wrote:
> >
> > > On Jan 25, 2019, at 6:00 AM, fugee ohu <fuge...@gmail.com> wrote:
> > >
> > > I wanna convert my news stories to use slug urls based on the
> :headline column instead of id's but some of the rows contain special
> characters like double quotes, exclamation points, do I need to gsub those
> out
> >
> > An interesting theory, but FriendlyId already does this, quite
> elaborately. The logic that does the "dumbification" is delegated to
> ActiveSupport's parameterize method, which takes everything not-ASCII and
> transliterates it into ASCII, and replaces any run of whitespace with a
> single dash, and removes punctuation. Next, the slug is checked for
> duplicates with any existing record, and a UUID is appended if so. It's
> really quite well done and very settled code. I have been using FriendlyId
> for 8 years or more without encountering any error that wasn't my own
> mistake.
> >
> > In another of your many threads, you mention that you are trying to
> create a slug out of the article's text, rather than the headline (as the
> documentation encourages). You may want to try starting from a truncated
> copy of the article text (or even following the directions) before you
> assume that FriendlyId is at fault here. I doubt that your article text
> will fit into the size constraints of a URL segment, particularly if you
> worry about IE users seeing the thing at all*'
> >
> > Walter
> >
> > *The entire URL, including prefix, host, port, and path, must be no more
> than 1,024 characters ASCII in order to be visited by IE.
> >
> >
> > So I have to change the length of the varchar field and the length of
> the index as well?
>
> I don't know what your schema looks like right now. Here's how I have
> always used FriendlyID:
>
> 1. I have a `title` column, normal string, 255 characters limit. The
> client or user can enter whatever she wants up to that limit.
> 2. I use the FriendlyID migration generator to create the slug column on
> my model.
> 3. I configure FriendlyID according to the instructions (extend, then
> friendly_id :title, use: :slugged in the model).
> 4. Profit.
>
> There's really nothing else needed except changing find to friendly.find
> in the controller.
>
> I don't give the client/user the ability to create a too-long slug, by
> starting from a source text that is short enough.
>
> If you wanted to start from the article text (say, a true text field of
> thousands of characters), I would start by trimming that text down to the
> first couple hundred characters. And then, because slugs must be unique, I
> would imagine you would have quite a few natural collisions, and might end
> up with a fair amount of disambiguated slugs that end in UUID-shaped
> garbage strings.
>
> I believe that FriendlyId has the ability to call methods (rather than
> being bound to just the actual database columns) when calculating the slug,
> so you could start from `article_body` (a text column, tens of thousands of
> characters or a clob) and then limit that with truncate or another
> string-splitting method, like this:
>
> (in your model)
>
> friendly_id :article_preview, use: :slugged
>
> def article_preview
> # cut off at 200 characters, without an ellipsis
> article_text.truncate(200, '')
> end
>
> Does that make sense?
>
> Walter
>
> >
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from app/models/press_release.rb:17:in `truncated_headline'
class PressRelease < ApplicationRecord
extend FriendlyId
friendly_id :truncated_headline, use: :slugged
def truncated_headline
# cut off at 200 characters, without an ellipsis
headline.truncate(255, '')
end
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