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Added tags query

1.0
Gisle Aune 6 years ago
parent
commit
a0cb8d7fa8
  1. 24
      model/story/tag.go
  2. 15
      resolver/tag.go
  3. 4
      schema/root.graphql

24
model/story/tag.go

@ -1,5 +1,12 @@
package story package story
import (
"sort"
"strings"
"github.com/globalsign/mgo/bson"
)
// A Tag associates a story with other content, like other stories, logs and more. // A Tag associates a story with other content, like other stories, logs and more.
type Tag struct { type Tag struct {
Kind string `bson:"kind"` Kind string `bson:"kind"`
@ -10,3 +17,20 @@ type Tag struct {
func (tag *Tag) Equal(other Tag) bool { func (tag *Tag) Equal(other Tag) bool {
return tag.Kind == other.Kind && tag.Name == other.Name return tag.Kind == other.Kind && tag.Name == other.Name
} }
// ListTags lists all tags
func ListTags() ([]Tag, error) {
tags := make([]Tag, 0, 64)
err := storyCollection.Find(bson.M{"tags": bson.M{"$ne": nil}}).Distinct("tags", &tags)
sort.Slice(tags, func(i, j int) bool {
kindCmp := strings.Compare(tags[i].Kind, tags[j].Kind)
if kindCmp != 0 {
return kindCmp < 0
}
return strings.Compare(tags[i].Name, tags[j].Name) < 0
})
return tags, err
}

15
resolver/tag.go

@ -11,6 +11,21 @@ type TagInput struct {
Name string Name string
} }
// Tags implements the tags query
func (r *QueryResolver) Tags() ([]*TagResolver, error) {
tags, err := story.ListTags()
if err != nil {
return nil, err
}
resolvers := make([]*TagResolver, len(tags))
for i, tag := range tags {
resolvers[i] = &TagResolver{T: tag}
}
return resolvers, nil
}
// Kind resolves Tag.kind // Kind resolves Tag.kind
func (r *TagResolver) Kind() string { func (r *TagResolver) Kind() string {
return r.T.Kind return r.T.Kind

4
schema/root.graphql

@ -47,6 +47,10 @@ type Query {
chapter(id: String!): Chapter chapter(id: String!): Chapter
# Find all distinct tags used in stories
tags: [Tag!]!
# Find current session # Find current session
session: Session! session: Session!
} }

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