chore: add api

2026-02-04 13:52:26 +08:00 · 2021-04-27 23:46:43 +08:00
parent a39e3aac3b
commit 4749b1e681
7 changed files with 469 additions and 74 deletions
--- a/pkg/cache/cache.go
+++ b/pkg/cache/cache.go
@@ -7,6 +7,7 @@ import (
 	"fmt"
 	"sort"
 	"strings"
+	"sync"
 	"time"

 	"github.com/eiblog/eiblog/pkg/cache/render"
@@ -37,6 +38,7 @@ func init() {
 	}
 	// Ei init
 	Ei = &Cache{
+		lock:        sync.Mutex{},
 		Store:       store,
 		TagArticles: make(map[string]model.SortedArticles),
 		ArticlesMap: make(map[string]*model.Article),
@@ -52,6 +54,7 @@ func init() {

 // Cache 整站缓存
 type Cache struct {
+	lock sync.Mutex
 	store.Store

 	// load from db
@@ -68,44 +71,6 @@ type Cache struct {
 	ArticlesMap  map[string]*model.Article       // slug:article
 }

-// // LoadInsertAccount 读取或创建账户
-// LoadInsertAccount(ctx context.Context, acct *model.Account) (*model.Account, error)
-// // UpdateAccount 更新账户
-// UpdateAccount(ctx context.Context, name string, fields map[string]interface{}) error
-//
-// // LoadInsertBlogger 读取或创建博客
-// LoadInsertBlogger(ctx context.Context, blogger *model.Blogger) (*model.Blogger, error)
-// // UpdateBlogger 更新博客
-// UpdateBlogger(ctx context.Context, fields map[string]interface{}) error
-//
-// // InsertSeries 创建专题
-// InsertSeries(ctx context.Context, series *model.Series) error
-// // RemoveSeries 删除专题
-// RemoveSeries(ctx context.Context, id int) error
-// // UpdateSeries 更新专题
-// UpdateSeries(ctx context.Context, id int, fields map[string]interface{}) error
-// // LoadAllSeries 读取所有专题
-// LoadAllSeries(ctx context.Context) (model.SortedSeries, error)
-//
-// // InsertArticle 创建文章
-// InsertArticle(ctx context.Context, article *model.Article) error
-// // RemoveArticle 硬删除文章
-// RemoveArticle(ctx context.Context, id int) error
-// // DeleteArticle 软删除文章,放入回收箱
-// DeleteArticle(ctx context.Context, id int) error
-// // CleanArticles 清理回收站文章
-// CleanArticles(ctx context.Context) error
-// // UpdateArticle 更新文章
-// UpdateArticle(ctx context.Context, id int, fields map[string]interface{}) error
-// // RecoverArticle 恢复文章到草稿
-// RecoverArticle(ctx context.Context, id int) error
-// // LoadAllArticle 读取所有文章
-// LoadAllArticle(ctx context.Context) (model.SortedArticles, error)
-// // LoadTrashArticles 读取回收箱
-// LoadTrashArticles(ctx context.Context) (model.SortedArticles, error)
-// // LoadDraftArticles 读取草稿箱
-// LoadDraftArticles(ctx context.Context) (model.SortedArticles, error)
-
 // PageArticles 文章翻页
 func (c *Cache) PageArticles(page int, pageSize int) (prev,
 	next int, articles []*model.Article) {
@@ -146,6 +111,121 @@ func (c *Cache) PageArticles(page int, pageSize int) (prev,
 //
 // }

+// DeleteArticles 删除文章
+func (c *Cache) DeleteArticles(ids []int) error {
+	c.lock.Lock()
+	defer c.lock.Unlock()
+
+	for _, id := range ids {
+		article, idx := c.FindArticleByID(id)
+		// drop from linkedList
+		if article.Prev == nil && article.Next != nil {
+			article.Next.Prev = nil
+		} else if article.Prev != nil && article.Next == nil {
+			article.Prev.Next = nil
+		} else if article.Prev != nil && article.Next != nil {
+			article.Prev.Next = article.Next
+			article.Next.Prev = article.Prev
+		}
+		// drop from articles
+		c.Articles = append(c.Articles[:idx], c.Articles[idx+1:]...)
+		delete(c.ArticlesMap, article.Slug)
+		// set delete
+		err := c.UpdateArticle(context.Background(), id, map[string]interface{}{
+			"deletetime": time.Now(),
+		})
+		if err != nil {
+			return err
+		}
+		// drop from tags,series,archives
+		c.redelArticle(article)
+	}
+	return nil
+}
+
+// AddArticle 添加文章
+func (c *Cache) AddArticle(article *model.Article) error {
+	err := c.InsertArticle(context.Background(), article)
+	if err != nil {
+		return err
+	}
+	// 正式发布文章
+	if !article.IsDraft {
+		defer render.GenerateExcerptMarkdown(article)
+
+		c.ArticlesMap[article.Slug] = article
+		c.Articles = append([]*model.Article{article}, c.Articles...)
+		sort.Sort(c.Articles)
+
+		article, idx := c.FindArticleByID(article.ID)
+		if idx == 0 && c.Articles[idx+1].ID >=
+			config.Conf.BlogApp.General.StartID {
+			article.Next = c.Articles[idx+1]
+			c.Articles[idx+1].Prev = article
+		} else if idx > 0 && c.Articles[idx-1].ID >=
+			config.Conf.BlogApp.General.StartID {
+			article.Prev = c.Articles[idx-1]
+			if c.Articles[idx-1].Next != nil {
+				article.Next = c.Articles[idx-1].Next
+				c.Articles[idx-1].Next.Prev = article
+			}
+			c.Articles[idx-1].Next = article
+		}
+		c.readdArticle(article, true)
+	}
+	return nil
+}
+
+// ReplaceArticle 替换文章
+func (c *Cache) ReplaceArticle(oldArticle, newArticle *model.Article) {
+	c.ArticlesMap[newArticle.Slug] = newArticle
+	render.GenerateExcerptMarkdown(newArticle)
+	if newArticle.ID < config.Conf.BlogApp.General.StartID {
+		return
+	}
+	if oldArticle != nil {
+		article, idx := c.FindArticleByID(oldArticle.ID)
+		if article.Prev == nil && article.Next != nil {
+			article.Next.Prev = nil
+		} else if article.Prev != nil && article.Next == nil {
+			article.Prev.Next = nil
+		} else if article.Prev != nil && article.Next != nil {
+			article.Prev.Next = article.Next
+			article.Next.Prev = article.Prev
+		}
+		c.Articles = append(Ei.Articles[:idx], Ei.Articles[idx+1:]...)
+
+		c.redelArticle(article)
+	}
+
+	c.Articles = append(c.Articles, newArticle)
+	sort.Sort(c.Articles)
+	_, idx := c.FindArticleByID(newArticle.ID)
+	if idx == 0 && c.Articles[idx+1].ID >= config.Conf.BlogApp.General.StartID {
+		newArticle.Next = c.Articles[idx+1]
+		c.Articles[idx+1].Prev = newArticle
+	} else if idx > 0 && c.Articles[idx-1].ID >=
+		config.Conf.BlogApp.General.StartID {
+		newArticle.Prev = Ei.Articles[idx-1]
+		if c.Articles[idx-1].Next != nil {
+			newArticle.Next = Ei.Articles[idx-1].Next
+			c.Articles[idx-1].Next.Prev = newArticle
+		}
+		c.Articles[idx-1].Next = newArticle
+	}
+	c.readdArticle(newArticle, true)
+}
+
+// FindArticleByID 通过ID查找文章
+func (c *Cache) FindArticleByID(id int) (*model.Article, int) {
+	for i, article := range c.Articles {
+		if article.ID == id {
+			return article, i
+		}
+	}
+	return nil, -1
+}
+
 // loadOrInit 读取数据或初始化
 func (c *Cache) loadOrInit() error {
 	blogapp := config.Conf.BlogApp
@@ -219,7 +299,7 @@ func (c *Cache) loadOrInit() error {
 		if Ei.Articles[i+1].ID >= blogapp.General.StartID {
 			v.Next = Ei.Articles[i+1]
 		}
-		c.rebuildArticle(v, false)
+		c.readdArticle(v, false)
 	}
 	Ei.Articles = articles
 	// 重建专题与归档
@@ -228,8 +308,8 @@ func (c *Cache) loadOrInit() error {
 	return nil
 }

-// rebuildArticle 重建缓存tag、series、archive
-func (c *Cache) rebuildArticle(article *model.Article, needSort bool) {
+// readdArticle 添加文章到tag、series、archive
+func (c *Cache) readdArticle(article *model.Article, needSort bool) {
 	// tag
 	tags := strings.Split(article.Tags, ",")
 	for _, tag := range tags {
@@ -270,6 +350,52 @@ func (c *Cache) rebuildArticle(article *model.Article, needSort bool) {
 	}
 }

+// redelArticle 从tag、series、archive删除文章
+func (c *Cache) redelArticle(article *model.Article) {
+	// tag
+	tags := strings.Split(article.Tags, ",")
+	for _, tag := range tags {
+		for i, v := range c.TagArticles[tag] {
+			if v == article {
+				c.TagArticles[tag] = append(c.TagArticles[tag][0:i], c.TagArticles[tag][i+1:]...)
+				if len(c.TagArticles[tag]) == 0 {
+					delete(c.TagArticles, tag)
+				}
+			}
+		}
+	}
+	// serie
+	for i, serie := range c.Series {
+		if serie.ID == article.SerieID {
+			for j, v := range serie.Articles {
+				if v == article {
+					Ei.Series[i].Articles = append(Ei.Series[i].Articles[0:j],
+						Ei.Series[i].Articles[j+1:]...)
+					PagesCh <- PageSeries
+					break
+				}
+			}
+		}
+	}
+	// archive
+	for i, archive := range c.Archives {
+		ay, am, _ := archive.Time.Date()
+		if y, m, _ := article.CreatedAt.Date(); ay == y && am == m {
+			for j, v := range archive.Articles {
+				if v == article {
+					c.Archives[i].Articles = append(c.Archives[i].Articles[0:j],
+						c.Archives[i].Articles[j+1:]...)
+					if len(c.Archives[i].Articles) == 0 {
+						c.Archives = append(c.Archives[:i], c.Archives[i+1:]...)
+					}
+					PagesCh <- PageArchive
+					break
+				}
+			}
+		}
+	}
+}
+
 // regeneratePages 重新生成series,archive页面
 func (c *Cache) regeneratePages() {
 	for {
--- a/pkg/core/blog/admin/admin.go
+++ b/pkg/core/blog/admin/admin.go
@@ -3,13 +3,17 @@ package admin

 import (
 	"context"
+	"errors"
 	"fmt"
 	"net/http"
 	"strconv"
 	"time"

 	"github.com/eiblog/eiblog/pkg/cache"
+	"github.com/eiblog/eiblog/pkg/config"
 	"github.com/eiblog/eiblog/pkg/core/blog"
+	"github.com/eiblog/eiblog/pkg/internal"
+	"github.com/eiblog/eiblog/pkg/model"
 	"github.com/eiblog/eiblog/tools"

 	"github.com/gin-gonic/gin"
@@ -176,29 +180,229 @@ func handleAPIPassword(c *gin.Context) {

 // handleAPIPostDelete 删除文章，移入回收箱
 func handleAPIPostDelete(c *gin.Context) {
-	// var ids []int32
-	// for _, v := range c.PostFormArray("cid[]") {
-	// 	i, err := strconv.Atoi(v)
-	// 	if err != nil || int32(i) < config.Conf.BlogApp.General.StartID {
-	// 		responseNotice(c, NoticeNotice, "参数错误", "")
-	// 		return
-	// 	}
-	// 	ids = append(ids, int32(i))
-	// }
-	// err := DelArticles(ids...)
-	// if err != nil {
-	// 	logd.Error(err)
-	// 	responseNotice(c, NOTICE_NOTICE, err.Error(), "")
-	// 	return
-	// }
-	//
-	// // elasticsearch
-	// err = ElasticDelIndex(ids)
-	// if err != nil {
-	// 	logrus.Error("handleAPIPostDelete.")
-	// }
-	// // TODO disqus delete
-	// responseNotice(c, NoticeSuccess, "删除成功", "")
+	var ids []int
+	for _, v := range c.PostFormArray("cid[]") {
+		id, err := strconv.Atoi(v)
+		if err != nil || id < config.Conf.BlogApp.General.StartID {
+			responseNotice(c, NoticeNotice, "参数错误", "")
+			return
+		}
+		ids = append(ids, id)
+	}
+	err := cache.Ei.DeleteArticles(ids)
+	if err != nil {
+		logrus.Error("handleAPIPostDelete.DeleteArticles: ", err)
+
+		responseNotice(c, NoticeNotice, err.Error(), "")
+		return
+	}
+	// elasticsearch
+	err = internal.ElasticDelIndex(ids)
+	if err != nil {
+		logrus.Error("handleAPIPostDelete.ElasticDelIndex: ", err)
+	}
+	// TODO disqus delete
+	responseNotice(c, NoticeSuccess, "删除成功", "")
+}
+
+// handleAPIPostCreate 创建文章
+func handleAPIPostCreate(c *gin.Context) {
+	var (
+		err error
+		do  string
+		cid int
+	)
+	defer func() {
+		switch do {
+		case "auto": // 自动保存
+			if err != nil {
+				c.JSON(http.StatusOK, gin.H{"fail": 1, "time": time.Now().Format("15:04:05 PM"), "cid": cid})
+				return
+			}
+			c.JSON(http.StatusOK, gin.H{"success": 0, "time": time.Now().Format("15:04:05 PM"), "cid": cid})
+		case "save", "publish": // 草稿，发布
+			if err != nil {
+				responseNotice(c, NoticeNotice, err.Error(), "")
+				return
+			}
+			uri := "/admin/manage-draft"
+			if do == "publish" {
+				uri = "/admin/manage-posts"
+			}
+			c.Redirect(http.StatusFound, uri)
+		}
+	}()
+
+	do = c.PostForm("do") // auto or save or publish
+	slug := c.PostForm("slug")
+	title := c.PostForm("title")
+	text := c.PostForm("text")
+	date := parseLocationDate(c.PostForm("date"))
+	serie := c.PostForm("serie")
+	tag := c.PostForm("tags")
+	update := c.PostForm("update")
+	if slug == "" || title == "" || text == "" {
+		err = errors.New("参数错误")
+		return
+	}
+	serieid, _ := strconv.Atoi(serie)
+	article := &model.Article{
+		Title:     title,
+		Content:   text,
+		Slug:      slug,
+		IsDraft:   do != "publish",
+		Author:    cache.Ei.Account.Username,
+		SerieID:   serieid,
+		Tags:      tag,
+		CreatedAt: date,
+	}
+	cid, err = strconv.Atoi(c.PostForm("cid"))
+	// 新文章
+	if err != nil || cid < 1 {
+		err = cache.Ei.AddArticle(article)
+		if err != nil {
+			logrus.Error("handleAPIPostCreate.InsertArticle: ", err)
+			return
+		}
+		if !article.IsDraft {
+			// 异步执行，快
+			go func() {
+				// elastic
+				internal.ElasticAddIndex(article)
+				// rss
+				internal.PingFunc(cache.Ei.Blogger.BTitle, slug)
+				// disqus
+				internal.ThreadCreate(article, cache.Ei.Blogger.BTitle)
+			}()
+		}
+		return
+	}
+	// 旧文章
+	article.ID = cid
+	artc, _ := cache.Ei.FindArticleByID(article.ID)
+	if artc != nil {
+		article.IsDraft = false
+		article.Count = artc.Count
+		article.UpdatedAt = artc.UpdatedAt
+	}
+	if update == "true" || update == "1" {
+		artc.UpdatedAt = time.Now()
+	}
+	// 数据库更新
+	err = cache.Ei.UpdateArticle(context.Background(), artc.ID, map[string]interface{}{
+		"title":      article.Title,
+		"content":    article.Content,
+		"serie_id":   article.SerieID,
+		"tags":       article.Tags,
+		"is_draft":   article.IsDraft,
+		"updated_at": article.UpdatedAt,
+		"created_at": article.CreatedAt,
+	})
+	if err != nil {
+		logrus.Error("handleAPIPostCreate.UpdateArticle: ", err)
+		return
+	}
+	if !artc.IsDraft {
+		cache.Ei.ReplaceArticle(artc, article)
+		// 异步执行，快
+		go func() {
+			// elastic
+			internal.ElasticAddIndex(article)
+			// rss
+			internal.PingFunc(cache.Ei.Blogger.BTitle, slug)
+			// disqus
+			if artc == nil {
+				internal.ThreadCreate(article, cache.Ei.Blogger.BTitle)
+			}
+		}()
+	}
+}
+
+// handleAPISerieDelete 只能逐一删除，专题下不能有文章
+func handleAPISerieDelete(c *gin.Context) {
+	for _, v := range c.PostFormArray("mid[]") {
+		id, err := strconv.Atoi(v)
+		if err != nil || id < 1 {
+			responseNotice(c, NoticeNotice, err.Error(), "")
+			return
+		}
+		for i, serie := range cache.Ei.Series {
+			if serie.ID == id {
+				if len(serie.Articles) > 0 {
+					logrus.Error("handleAPISerieDelete.failed: ")
+					responseNotice(c, NoticeNotice, "请删除该专题下的所有文章", "")
+					return
+				}
+				err = cache.Ei.RemoveSerie(context.Background(), id)
+				if err != nil {
+					logrus.Error("handleAPISerieDelete.RemoveSerie: ")
+					responseNotice(c, NoticeNotice, err.Error(), "")
+					return
+				}
+				cache.Ei.Series[i] = nil
+				cache.Ei.Series = append(cache.Ei.Series[:i], cache.Ei.Series[i+1:]...)
+				cache.PagesCh <- cache.PageSeries
+				break
+			}
+		}
+	}
+	responseNotice(c, NoticeSuccess, "删除成功", "")
+}
+
+// handleAPISerieCreate 添加专题，如果专题有提交 mid 即更新专题
+func handleAPISerieCreate(c *gin.Context) {
+	name := c.PostForm("name")
+	slug := c.PostForm("slug")
+	desc := c.PostForm("description")
+	if name == "" || slug == "" || desc == "" {
+		responseNotice(c, NoticeNotice, "参数错误", "")
+		return
+	}
+	mid, err := strconv.Atoi(c.PostForm("mid"))
+	if err == nil && mid > 0 {
+		var serie *model.Serie
+		for _, v := range cache.Ei.Series {
+			if v.ID == mid {
+				serie = v
+				break
+			}
+		}
+		if serie == nil {
+			responseNotice(c, NoticeNotice, "专题不存在", "")
+			return
+		}
+		err = cache.Ei.UpdateSerie(context.Background(), mid, map[string]interface{}{
+			"slug": slug,
+			"name": name,
+			"desc": desc,
+		})
+		if err != nil {
+			logrus.Error("handleAPISerieCreate.UpdateSerie: ", err)
+			responseNotice(c, NoticeNotice, err.Error(), "")
+			return
+		}
+	} else {
+		err = cache.Ei.InsertSerie(context.Background(), &model.Serie{
+			Slug: slug,
+			Name: name,
+			Desc: desc,
+		})
+		if err != nil {
+			logrus.Error("handleAPISerieCreate.InsertSerie: ", err)
+			responseNotice(c, NoticeNotice, err.Error(), "")
+			return
+		}
+	}
+	responseNotice(c, NoticeSuccess, "操作成功", "")
+}
+
+// parseLocationDate 解析日期
+func parseLocationDate(date string) time.Time {
+	t, err := time.ParseInLocation("2006-01-02 15:04", date, time.Local)
+	if err == nil {
+		return t
+	}
+	return time.Now()
 }

 func responseNotice(c *gin.Context, typ, content, hl string) {
--- a/pkg/core/blog/page/be.go
+++ b/pkg/core/blog/page/be.go
@@ -73,7 +73,7 @@ func handleAdminPost(c *gin.Context) {
 	params["Domain"] = config.Conf.BlogApp.Host
 	params["Series"] = cache.Ei.Series
 	var tags []T
-	for tag, _ := range cache.Ei.TagArticles {
+	for tag := range cache.Ei.TagArticles {
 		tags = append(tags, T{tag, tag})
 	}
 	str, _ := json.Marshal(tags)
--- a/pkg/internal/es.go
+++ b/pkg/internal/es.go
@@ -13,6 +13,8 @@ import (
 	"time"

 	"github.com/eiblog/eiblog/pkg/config"
+	"github.com/eiblog/eiblog/pkg/model"
+	"github.com/eiblog/eiblog/tools"

 	"github.com/sirupsen/logrus"
 )
@@ -22,6 +24,9 @@ const (
 	SearchFilter = `"filter":{"bool":{"must":[%s]}}`
 	SearchTerm   = `{"term":{"%s":"%s"}}`
 	SearchDate   = `{"range":{"date":{"gte":"%s","lte": "%s","format": "yyyy-MM-dd||yyyy-MM||yyyy"}}}` // 2016-10||/M
+
+	ElasticIndex = "eiblog"
+	ElasticType  = "article"
 )

 func init() {
@@ -30,7 +35,7 @@ func init() {
 	}

 	mappings := fmt.Sprintf(`{"mappings":{"%s":{"properties":{"content":{"analyzer":"ik_syno","search_analyzer":"ik_syno","term_vector":"with_positions_offsets","type":"string"},"date":{"index":"not_analyzed","type":"date"},"slug":{"type":"string"},"tag":{"index":"not_analyzed","type":"string"},"title":{"analyzer":"ik_syno","search_analyzer":"ik_syno","term_vector":"with_positions_offsets","type":"string"}}}}}`, "article")
-	err := createIndexAndMappings("eiblog", "article", []byte(mappings))
+	err := createIndexAndMappings(ElasticIndex, ElasticType, []byte(mappings))
 	if err != nil {
 		panic(err)
 	}
@@ -97,7 +102,40 @@ func ElasticSearch(query string, size, from int) (*searchIndexResult, error) {
 	if kw != "" {
 		dsl = strings.Replace(strings.Replace(`{"highlight":{"fields":{"content":{},"title":{}},"post_tags":["\u003c/b\u003e"],"pre_tags":["\u003cb\u003e"]},"query":{"dis_max":{"queries":[{"match":{"title":{"boost":4,"minimum_should_match":"50%","query":"$1"}}},{"match":{"content":{"boost":4,"minimum_should_match":"75%","query":"$1"}}},{"match":{"tag":{"boost":2,"minimum_should_match":"100%","query":"$1"}}},{"match":{"slug":{"boost":1,"minimum_should_match":"100%","query":"$1"}}}],"tie_breaker":0.3}},$2}`, "$1", kw, -1), "$2", fmt.Sprintf(SearchFilter, strings.Join(filter, ",")), -1)
 	}
-	return indexQueryDSL("article", "eiblog", size, from, []byte(dsl))
+	return indexQueryDSL(ElasticIndex, ElasticType, size, from, []byte(dsl))
+}
+
+// ElasticAddIndex 添加或更新索引
+func ElasticAddIndex(article *model.Article) error {
+	if err := checkESConfig(); err != nil {
+		return err
+	}
+
+	tags := strings.Split(article.Tags, ",")
+	img := tools.PickFirstImage(article.Content)
+	mapping := map[string]interface{}{
+		"title":   article.Title,
+		"content": tools.IgnoreHtmlTag(article.Content),
+		"slug":    article.Slug,
+		"tag":     tags,
+		"img":     img,
+		"date":    article.CreatedAt,
+	}
+	data, _ := json.Marshal(mapping)
+	return indexOrUpdateDocument(ElasticIndex, ElasticType, article.ID, data)
+}
+
+// ElasticDelIndex 删除索引
+func ElasticDelIndex(ids []int) error {
+	if err := checkESConfig(); err != nil {
+		return err
+	}
+
+	var target []string
+	for _, id := range ids {
+		target = append(target, fmt.Sprint(id))
+	}
+	return deleteIndexDocument(ElasticIndex, ElasticType, target)
 }

 // indicesCreateResult 索引创建结果
@@ -139,7 +177,7 @@ func createIndexAndMappings(index, typ string, mappings []byte) error {
 }

 // indexOrUpdateDocument 创建或更新索引
-func indexOrUpdateDocument(index, typ string, id int32, doc []byte) (err error) {
+func indexOrUpdateDocument(index, typ string, id int, doc []byte) (err error) {
 	rawurl := fmt.Sprintf("%s/%s/%s/%d", config.Conf.ESHost, index, typ, id)
 	resp, err := httpPut(rawurl, doc)
 	if err != nil {
--- a/pkg/model/account.go
+++ b/pkg/model/account.go
@@ -17,5 +17,5 @@ type Account struct {
 	LoginIP   string    `gorm:"column:login_ip;default:null" bson:"login_ip"`      // 最近登录IP
 	LoginUA   string    `gorm:"column:login_ua;default:null" bson:"login_ua"`      // 最近登录IP
 	LoginAt   time.Time `gorm:"column:login_at;default:now()" bson:"login_at"`     // 最近登录时间
-	CreatedAt time.Time `gorm:"column:creatd_at;default:now()" bson:"created_at"` // 创建时间
+	CreatedAt time.Time `gorm:"column:created_at;default:now()" bson:"created_at"` // 创建时间
 }
--- a/tools/tools.go
+++ b/tools/tools.go
@@ -7,6 +7,7 @@ import (
 	"io"
 	"io/ioutil"
 	"path"
+	"regexp"
 	"time"
 )

@@ -102,3 +103,27 @@ var monthToDays = map[time.Month]int{
 func isLeapYear(year int) bool {
 	return year%4 == 0 && (year%100 != 0 || year%400 == 0)
 }
+
+var regexpImg = regexp.MustCompile(`data-src="(.*?)"`)
+
+// PickFirstImage 获取第一张图片
+func PickFirstImage(html string) string {
+	sli := regexpImg.FindAllStringSubmatch(html, 1)
+	if len(sli) > 0 && len(sli[0]) > 1 {
+		return sli[0][1]
+	}
+	return ""
+}
+
+var (
+	regexpBrackets = regexp.MustCompile(`<[\S\s]+?>`)
+	regexpEnter    = regexp.MustCompile(`\s+`)
+)
+
+// IgnoreHtmlTag 去掉 html tag
+func IgnoreHtmlTag(src string) string {
+	// 去除所有尖括号内的HTML代码
+	src = regexpBrackets.ReplaceAllString(src, "")
+	// 去除换行符
+	return regexpEnter.ReplaceAllString(src, "")
+}
--- a/tools/validate.go
+++ b/tools/validate.go
@@ -1,7 +1,9 @@
 // Package tools provides ...
 package tools

-import "regexp"
+import (
+	"regexp"
+)

 var regexpEmail = regexp.MustCompile(`^(\w)+([\.\-]\w+)*@(\w)+((\.\w+)+)$`)