package model

import (
    "time"
    "crypto/sha256"
    "encoding/hex"
)

type Article struct {
    Identifier  uint
    SourceUrl   string
    PublishDate time.Time
    FetchDate   time.Time
    Title       string
    Content     string
}


func (article *Article) Hash() string {
    /* Generates a hash based on the source url of the article. Can be used to
     * identify the article. */

    hash := sha256.Sum256([]byte(article.SourceUrl))
    return hex.EncodeToString(hash[:])
}


// --- implementation of the IIdentifiable interface ---

func (article *Article) Id() uint {
    return article.Identifier
}