This commit is contained in:
Anthony Fok 2015-03-17 23:53:17 -06:00
parent bcdad02c06
commit a220a3ba37

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@ -11,7 +11,7 @@ title: Dynamic Content
weight: 91
---
Dynamic content with a static site generator? Yes it is possible!
Dynamic content with a static site generator? Yes, it is possible!
In addition to the [data files](/extras/datafiles/) feature, we have also
implemented the feature "Dynamic Content", which lets you load
@ -26,23 +26,21 @@ and `getCsv`, which are available in **all template files**.
### Calling the functions with an URL
In any HTML template or Markdown document call the functions like:
In any HTML template or Markdown document, call the functions like this:
{{ $dataJ := getJson "url" }}
{{ $dataC := getCsv "separator" "url" }}
or if you use a prefix or postfix for the URL the functions
or, if you use a prefix or postfix for the URL, the functions
accept [variadic arguments](http://en.wikipedia.org/wiki/Variadic_function):
{{ $dataJ := getJson "url prefix" "arg1" "arg2" "arg n" }}
{{ $dataC := getCsv "separator" "url prefix" "arg1" "arg2" "arg n" }}
The separator for `getCsv` must be put on the first position and can be
only one character long.
The separator for `getCsv` must be put in the first position and can only
be one character long.
All passed arguments will be joined to the final URL, example:
All passed arguments will be joined to the final URL; for example:
{{ $urlPre := "https://api.github.com" }}
{{ $gistJ := getJson $urlPre "/users/GITHUB_USERNAME/gists" }}
@ -51,8 +49,8 @@ will resolve internally to:
{{ $gistJ := getJson "https://api.github.com/users/GITHUB_USERNAME/gists" }}
Eventually you can range over the array. This example will output the
first 5 Github gists for a user:
Finally, you can range over an array. This example will output the
first 5 gists for a GitHub user:
<ul>
{{ $urlPre := "https://api.github.com" }}
@ -67,7 +65,7 @@ first 5 Github gists for a user:
### Example for CSV files
For `getCsv` the one character long separator must be placed on the
For `getCsv`, the one-character long separator must be placed in the
first position followed by the URL.
<table>
@ -97,46 +95,46 @@ the current row.
### Caching of URLs
Each downloaded URL will be cached in the default folder `$TMPDIR/hugo_cache/`.
The variable `$TMPDIR` will be resolved to your system dependent
The variable `$TMPDIR` will be resolved to your system-dependent
temporary directory.
With the command line flag `--cacheDir` you can specify any folder on
With the command-line flag `--cacheDir`, you can specify any folder on
your system as a caching directory.
If you don't like caching at all, you can fully disable to read from the
cache with the command line flag `--ignoreCache`. However Hugo will always
cache with the command line flag `--ignoreCache`. However, Hugo will always
write, on each build of the site, to the cache folder (silent backup).
### Authentication when using REST URLs
Currently you can only use those authentication methods that can
Currently, you can only use those authentication methods that can
be put into an URL. [OAuth](http://en.wikipedia.org/wiki/OAuth) or
other authentication methods are not implemented.
### Loading local files
To load local files with the two functions `getJson` and `getCsv` the
source files must reside within Hugos working directory. The file
To load local files with the two functions `getJson` and `getCsv`, the
source files must reside within Hugo's working directory. The file
extension does not matter but the content.
It applies the same output logic as in the topic: *Calling the functions with an URL*.
## Live reload
## LiveReload
There is no chance to trigger a [LiveReload](/extras/livereload/) when
the content of an URL changes. However when a local JSON/CSV file changes
then a live reload will be triggered of course. Symlinks not supported.
the content of an URL changes. However, when a local JSON/CSV file changes,
then a LiveReload will be triggered of course. Symlinks not supported.
**URLs and Live reload**: If you change any local file and the live reload
got triggered Hugo will either read the URL content from the cache or, if
**URLs and LiveReload**: If you change any local file and the LiveReload
got triggered, Hugo will either read the URL content from the cache or, if
you have disabled the cache, Hugo will re-download the content.
This can create huge traffic and you may also reach API limits quickly.
As downloading of content takes a while, Hugo stops with processing
your markdown files until the content has been downloaded.
your Markdown files until the content has been downloaded.
## Examples
- Photo gallery JSON powered: [https://github.com/pcdummy/hugo-lightslider-example](https://github.com/pcdummy/hugo-lightslider-example)
- Github Starred Repositories [in a posts](https://github.com/SchumacherFM/blog-cs/blob/master/content%2Fposts%2Fgithub-starred.md) with the related [short code](https://github.com/SchumacherFM/blog-cs/blob/master/layouts%2Fshortcodes%2FghStarred.html).
- more?
- GitHub Starred Repositories [in a posts](https://github.com/SchumacherFM/blog-cs/blob/master/content%2Fposts%2Fgithub-starred.md) with the related [short code](https://github.com/SchumacherFM/blog-cs/blob/master/layouts%2Fshortcodes%2FghStarred.html).
- More? Please tell us!