internal/cacher/article.go
package cacher
import (
"net/http"
"github.com/rl404/go-malscraper/internal"
"github.com/rl404/go-malscraper/model"
)
// GetArticle to get featured article detail information.
func (c *Cacher) GetArticle(id int) (data *model.Article, code int, err error) {
// Get from cache.
key := internal.GetKey(internal.KeyArticle, id)
if c.cacher.Get(key, &data) == nil {
return data, http.StatusOK, nil
}
// Parse.
data, code, err = c.api.GetArticle(id)
if err != nil {
return nil, code, err
}
// Save to cache. Won't return error.
_ = c.cacher.Set(key, data)
return data, http.StatusOK, nil
}
// GetArticles to get featured article list.
func (c *Cacher) GetArticles(page int, tag string) (data []model.ArticleItem, code int, err error) {
// Get from cache.
key := internal.GetKey(internal.KeyArticleList, page, tag)
if c.cacher.Get(key, &data) == nil {
return data, http.StatusOK, nil
}
// Parse.
data, code, err = c.api.GetArticles(page, tag)
if err != nil {
return nil, code, err
}
// Save to cache. Won't return error.
_ = c.cacher.Set(key, data)
return data, http.StatusOK, nil
}
// GetArticleTag to get featured article tag list.
func (c *Cacher) GetArticleTag() (data []model.ArticleTagItem, code int, err error) {
// Get from cache.
key := internal.GetKey(internal.KeyArticleTag)
if c.cacher.Get(key, &data) == nil {
return data, http.StatusOK, nil
}
// Parse.
data, code, err = c.api.GetArticleTag()
if err != nil {
return nil, code, err
}
// Save to cache. Won't return error.
_ = c.cacher.Set(key, data)
return data, http.StatusOK, nil
}