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posts widget: Add filter to exclude tags (Close #170)

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* Change `tags` option to `tags_include`
* Add `tags_exclude` option
This commit is contained in:
George Cushen 2017-09-24 23:00:25 +01:00
commit 80e833c5e9
2 changed files with 31 additions and 10 deletions
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7
exampleSite/content/home/posts.md
View file

@ -12,8 +12,11 @@ widget = "posts"
# Order that this section will appear in.
weight = 40
# Show posts that contain the following tags. Default to any tags.
tags = []
# Filter posts by tag.
# By default, show all recent posts.
# Filtering example: `tags_include = ["hugo", "academic"]`
tags_include = []
tags_exclude = []
# Number of posts to list.
count = 5

34
layouts/partials/widgets/posts.html
View file

@ -22,16 +22,34 @@
{{ with $page.Content }}<p>{{ . | markdownify }}</p>{{ end }}
{{ if $page.Params.tags }}
{{ range first $page.Params.count (where (where (where $.Data.Pages "Type" "post") ".Params.tags" "intersect" $page.Params.tags) ".Params.notonhomepage" nil) }}
{{ $posts := where (where $.Data.Pages "Type" "post") ".Params.notonhomepage" nil }}
{{ if $page.Params.tags_include }}
{{ $posts := where (where (where $.Data.Pages "Type" "post") ".Params.tags" "intersect" $page.Params.tags_include) ".Params.notonhomepage" nil }}
{{ end }}
{{ $.Scratch.Add "show_post" "1" }}
{{ range $post := first $page.Params.count $posts }}
{{ $.Scratch.Set "show_post" "1" }}
{{/* If `tags_include` is set, exclude posts with no tags. */}}
{{ if and ($page.Params.tags_include) (lt (len .Params.tags) 1) }}
{{ $.Scratch.Set "show_post" "0" }}
{{end}}
{{/* If `tags_exclude` is set, exclude posts. */}}
{{ range $key, $val := .Params.tags }}
{{ if in $page.Params.tags_exclude $val }}
{{ $.Scratch.Set "show_post" "0" }}
{{end}}
{{end}}
{{ $show_post := $.Scratch.Get "show_post" }}
{{ if ne $show_post "0" }}
{{ $params := dict "post" . "page" $page }}
{{ partial "post_li" $params }}
{{ end }}
{{ else }}
{{ range first $page.Params.count (where (where $.Data.Pages "Type" "post") ".Params.notonhomepage" nil) }}
{{ $params := dict "post" . "page" $page }}
{{ partial "post_li" $params }}
{{ end }}
{{end}}
{{ end }}
</div>