func GetCategories(req *f.Request) ([]*Category, error) {
categories := []*Category{}
// I would like to use datastore.DataStore.List() here.
query := ds.NewQuery("Category")
_, err := query.GetAll(jux.GetNewContext(req), &categories)
return categories, err
}
// Return a list of articles matching the given category.
func GetArticles(req *f.Request, category string, offset int, limit int) ([]*Article, error) {
articles := []*Article{}
// Create a query for the given interface.
query := ds.NewQuery("Article").
Filter("Category =", category).
Order("Created").
Offset(offset).
Limit(limit)
_, err := query.GetAll(jux.GetNewContext(req), &articles)
return articles, err
}
// Shows a single article for the given id.
func read(req *f.Request, res *f.Response, next func()) {
// Create a Query.
article := &Article{}
article.Id = req.Query["id"]
// Grab the datastore.
ds := datastore.New(jux.GetNewContext(req))
if err := ds.Read(article); err != nil {
res.Render("notfound/main.html", map[string]string{
"error": "Article not found.",
})
return
}
// Inflate the Article.
article.InflateBody()
// Render the Article.
res.Locals["pageTitle"] = article.Title
res.Render("jux_article/read.html", map[string][]*Article{
"Articles": []*Article{article},
})
}
// Add the listed categories to the DataStore.
func LoadCategories(req *f.Request) error {
// Grab the data store.
ds := datastore.New(jux.GetNewContext(req))
// Get the Category title.
categories := map[string]string{
"general": "General",
"alice": "Alice's Adventures in Wonderland",
}
// Walk over the categories and add them to the store.
for key, value := range categories {
category := &Category{}
category.Id = key
category.Category = key
category.Title = value
if err := ds.Create(category); err != nil {
return err
}
}
return nil
}
// Read all files in the given directory and store them in the DataStore.
func LoadJsonArticles(req *f.Request, dirname string) error {
ds := datastore.New(jux.GetNewContext(req))
list, err := ioutil.ReadDir(dirname)
if err != nil {
panic(err)
}
for _, file := range list {
if file.IsDir() != true {
filepath := path.Join(dirname, file.Name())
if source, ok := ReadJsonArticle(filepath); ok {
article := &Article{}
article.Id = file.Name()
article.Title = source.Title
article.Category = source.Category
article.Text = []byte(source.Text)
if err := ds.Create(article); err != nil {
return err
}
}
}
time.Sleep(time.Second)
}
return nil
}