rl404/go-malscraper

package validator

import (
    "net/http"

    "github.com/rl404/go-malscraper/errors"
    "github.com/rl404/go-malscraper/internal"
    "github.com/rl404/go-malscraper/model"
)

// GetArticle to get featured article detail information.
func (v *Validator) GetArticle(id int) (*model.Article, int, error) {
    if id <= 0 {
        return nil, http.StatusBadRequest, errors.ErrInvalidID
    }

    // Check empty id.
    key := internal.GetKey(internal.KeyEmptyArticle, id)
    if v.isEmptyID(key) {
        return nil, http.StatusNotFound, errors.ErrNot200
    }

    // Parse.
    data, code, err := v.api.GetArticle(id)

    // Save empty id.
    v.saveEmptyID(code, key)

    return data, code, err
}

// GetArticles to get featured article list.
func (v *Validator) GetArticles(page int, tag string) ([]model.ArticleItem, int, error) {
    if page <= 0 {
        return nil, http.StatusBadRequest, errors.ErrInvalidPage
    }
    if !v.isArticleTagValid(tag) {
        return nil, http.StatusBadRequest, errors.ErrInvalidTag
    }
    return v.api.GetArticles(page, tag)
}

// GetArticleTag to get featured article tag list.
func (v *Validator) GetArticleTag() ([]model.ArticleTagItem, int, error) {
    return v.api.GetArticleTag()
}