|
|
package story
|
|
|
|
|
|
import (
|
|
|
"database/sql"
|
|
|
"fmt"
|
|
|
"net/http"
|
|
|
"strings"
|
|
|
"time"
|
|
|
"unicode/utf8"
|
|
|
|
|
|
"github.com/asaskevich/govalidator"
|
|
|
"github.com/gin-gonic/gin"
|
|
|
"github.com/imdotdev/im.dev/server/internal/interaction"
|
|
|
"github.com/imdotdev/im.dev/server/internal/tags"
|
|
|
"github.com/imdotdev/im.dev/server/internal/user"
|
|
|
"github.com/imdotdev/im.dev/server/pkg/config"
|
|
|
"github.com/imdotdev/im.dev/server/pkg/db"
|
|
|
"github.com/imdotdev/im.dev/server/pkg/e"
|
|
|
"github.com/imdotdev/im.dev/server/pkg/models"
|
|
|
"github.com/imdotdev/im.dev/server/pkg/utils"
|
|
|
)
|
|
|
|
|
|
func SubmitStory(c *gin.Context) (map[string]string, *e.Error) {
|
|
|
user := user.CurrentUser(c)
|
|
|
|
|
|
post := &models.Story{}
|
|
|
err := c.Bind(&post)
|
|
|
if err != nil {
|
|
|
return nil, e.New(http.StatusBadRequest, e.ParamInvalid)
|
|
|
}
|
|
|
|
|
|
if !models.ValidStoryIDType(post.Type) {
|
|
|
return nil, e.New(http.StatusBadRequest, e.ParamInvalid)
|
|
|
}
|
|
|
|
|
|
if strings.TrimSpace(post.Title) == "" || utf8.RuneCountInString(post.Brief) > config.Data.Posts.BriefMaxLen {
|
|
|
return nil, e.New(http.StatusBadRequest, "标题格式不合法")
|
|
|
}
|
|
|
|
|
|
if strings.TrimSpace(post.URL) != "" && !govalidator.IsURL(post.URL) {
|
|
|
return nil, e.New(http.StatusBadRequest, "URL格式不正确")
|
|
|
}
|
|
|
|
|
|
if strings.TrimSpace(post.Cover) != "" && !govalidator.IsURL(post.Cover) {
|
|
|
return nil, e.New(http.StatusBadRequest, "图片链接格式不正确")
|
|
|
}
|
|
|
|
|
|
isExternal := true
|
|
|
if strings.TrimSpace(post.URL) == "" {
|
|
|
isExternal = false
|
|
|
}
|
|
|
|
|
|
if isExternal {
|
|
|
// external post, need editor role
|
|
|
if !user.Role.IsEditor() {
|
|
|
return nil, e.New(http.StatusForbidden, e.NoEditorPermission)
|
|
|
}
|
|
|
} else {
|
|
|
// internal post, need creator role
|
|
|
if !user.Role.IsCreator() {
|
|
|
return nil, e.New(http.StatusForbidden, e.NoEditorPermission)
|
|
|
}
|
|
|
if len(post.Md) <= config.Data.Posts.BriefMaxLen {
|
|
|
post.Brief = post.Md
|
|
|
} else {
|
|
|
post.Brief = string([]rune(post.Md)[:config.Data.Posts.BriefMaxLen])
|
|
|
}
|
|
|
}
|
|
|
|
|
|
now := time.Now()
|
|
|
|
|
|
md := utils.Compress(post.Md)
|
|
|
|
|
|
setSlug(user.ID, post)
|
|
|
|
|
|
if post.ID == "" {
|
|
|
post.ID = utils.GenID(post.Type)
|
|
|
//create
|
|
|
_, err := db.Conn.Exec("INSERT INTO story (id,type,creator,slug, title, md, url, cover, brief,status, created, updated) VALUES(?,?,?,?,?,?,?,?,?,?,?,?)",
|
|
|
post.ID, post.Type, user.ID, post.Slug, post.Title, md, post.URL, post.Cover, post.Brief, models.StatusPublished, now, now)
|
|
|
if err != nil {
|
|
|
logger.Warn("submit post error", "error", err)
|
|
|
return nil, e.New(http.StatusInternalServerError, e.Internal)
|
|
|
}
|
|
|
} else {
|
|
|
// 只有创建者自己才能更新内容
|
|
|
creator, _ := GetPostCreator(post.ID)
|
|
|
if creator != user.ID {
|
|
|
return nil, e.New(http.StatusForbidden, e.NoEditorPermission)
|
|
|
}
|
|
|
|
|
|
_, err = db.Conn.Exec("UPDATE story SET slug=?, title=?, md=?, url=?, cover=?, brief=?, updated=? WHERE id=?",
|
|
|
post.Slug, post.Title, md, post.URL, post.Cover, post.Brief, now, post.ID)
|
|
|
if err != nil {
|
|
|
logger.Warn("upate post error", "error", err)
|
|
|
return nil, e.New(http.StatusInternalServerError, e.Internal)
|
|
|
}
|
|
|
}
|
|
|
|
|
|
//update tags
|
|
|
err = tags.UpdateTargetTags(user.ID, post.ID, post.Tags)
|
|
|
if err != nil {
|
|
|
logger.Warn("upate tags error", "error", err)
|
|
|
return nil, e.New(http.StatusInternalServerError, e.Internal)
|
|
|
}
|
|
|
|
|
|
return map[string]string{
|
|
|
"username": user.Username,
|
|
|
"id": post.ID,
|
|
|
}, nil
|
|
|
}
|
|
|
|
|
|
func SubmitPostDraft(c *gin.Context) (map[string]string, *e.Error) {
|
|
|
user := user.CurrentUser(c)
|
|
|
|
|
|
post := &models.Story{}
|
|
|
err := c.Bind(&post)
|
|
|
if err != nil {
|
|
|
return nil, e.New(http.StatusBadRequest, e.ParamInvalid)
|
|
|
}
|
|
|
|
|
|
if !user.Role.IsCreator() {
|
|
|
return nil, e.New(http.StatusForbidden, e.NoEditorPermission)
|
|
|
}
|
|
|
|
|
|
md := utils.Compress(post.Md)
|
|
|
|
|
|
now := time.Now()
|
|
|
|
|
|
if len(post.Md) <= config.Data.Posts.BriefMaxLen {
|
|
|
post.Brief = post.Md
|
|
|
} else {
|
|
|
post.Brief = string([]rune(post.Md)[:config.Data.Posts.BriefMaxLen])
|
|
|
}
|
|
|
|
|
|
if post.ID == "" {
|
|
|
post.ID = utils.GenID(models.IDTypePost)
|
|
|
//create
|
|
|
_, err := db.Conn.Exec("INSERT INTO story (id,type,creator,slug, title, md, url, cover, brief,status, created, updated) VALUES(?,?,?,?,?,?,?,?,?,?,?,?)",
|
|
|
post.ID, models.IDTypePost, user.ID, post.Slug, post.Title, md, post.URL, post.Cover, post.Brief, models.StatusDraft, now, now)
|
|
|
fmt.Println(post.Brief)
|
|
|
if err != nil {
|
|
|
logger.Warn("submit post draft error", "error", err)
|
|
|
return nil, e.New(http.StatusInternalServerError, e.Internal)
|
|
|
}
|
|
|
} else {
|
|
|
// 只有创建者自己才能更新内容
|
|
|
creator, _ := GetPostCreator(post.ID)
|
|
|
if creator != user.ID {
|
|
|
return nil, e.New(http.StatusForbidden, e.NoEditorPermission)
|
|
|
}
|
|
|
|
|
|
_, err = db.Conn.Exec("UPDATE story SET slug=?, title=?, md=?, url=?, cover=?, brief=?, updated=? WHERE id=?",
|
|
|
post.Slug, post.Title, md, post.URL, post.Cover, post.Brief, now, post.ID)
|
|
|
if err != nil {
|
|
|
logger.Warn("upate post draft error", "error", err)
|
|
|
return nil, e.New(http.StatusInternalServerError, e.Internal)
|
|
|
}
|
|
|
}
|
|
|
|
|
|
//update tags
|
|
|
err = tags.UpdateTargetTags(user.ID, post.ID, post.Tags)
|
|
|
if err != nil {
|
|
|
logger.Warn("upate tags error", "error", err)
|
|
|
return nil, e.New(http.StatusInternalServerError, e.Internal)
|
|
|
}
|
|
|
|
|
|
return map[string]string{
|
|
|
"id": post.ID,
|
|
|
}, nil
|
|
|
}
|
|
|
|
|
|
func DeletePost(id string) *e.Error {
|
|
|
tx, err := db.Conn.Begin()
|
|
|
if err != nil {
|
|
|
logger.Warn("start sql transaction error", "error", err)
|
|
|
return e.New(http.StatusInternalServerError, e.Internal)
|
|
|
}
|
|
|
|
|
|
_, err = tx.Exec("DELETE FROM story WHERE id=?", id)
|
|
|
if err != nil {
|
|
|
logger.Warn("delete post error", "error", err)
|
|
|
return e.New(http.StatusInternalServerError, e.Internal)
|
|
|
}
|
|
|
|
|
|
// delete tags
|
|
|
err = tags.DeleteTargetTags(tx, id)
|
|
|
if err != nil {
|
|
|
logger.Warn("delete post tags error", "error", err)
|
|
|
tx.Rollback()
|
|
|
}
|
|
|
|
|
|
tx.Commit()
|
|
|
|
|
|
return nil
|
|
|
}
|
|
|
|
|
|
func GetStory(id string, slug string) (*models.Story, *e.Error) {
|
|
|
ar := &models.Story{}
|
|
|
var rawmd []byte
|
|
|
err := db.Conn.QueryRow("select id,type,slug,title,md,url,cover,brief,creator,status,created,updated from story where id=?", id).Scan(
|
|
|
&ar.ID, &ar.Type, &ar.Slug, &ar.Title, &rawmd, &ar.URL, &ar.Cover, &ar.Brief, &ar.CreatorID, &ar.Status, &ar.Created, &ar.Updated,
|
|
|
)
|
|
|
if err != nil {
|
|
|
if err == sql.ErrNoRows {
|
|
|
return nil, e.New(http.StatusNotFound, e.NotFound)
|
|
|
}
|
|
|
logger.Warn("get post error", "error", err)
|
|
|
return nil, e.New(http.StatusInternalServerError, e.Internal)
|
|
|
}
|
|
|
|
|
|
md, _ := utils.Uncompress(rawmd)
|
|
|
ar.Md = string(md)
|
|
|
ar.Creator = &models.UserSimple{ID: ar.CreatorID}
|
|
|
err = ar.Creator.Query()
|
|
|
|
|
|
// get tags
|
|
|
t, rawTags, err := tags.GetTargetTags(ar.ID)
|
|
|
if err != nil {
|
|
|
return nil, e.New(http.StatusInternalServerError, e.Internal)
|
|
|
}
|
|
|
ar.Tags = t
|
|
|
ar.RawTags = rawTags
|
|
|
|
|
|
ar.Likes = interaction.GetLikes(ar.ID)
|
|
|
return ar, nil
|
|
|
}
|
|
|
|
|
|
func GetPostCreator(id string) (string, *e.Error) {
|
|
|
var uid string
|
|
|
err := db.Conn.QueryRow("SELECT creator FROM story WHERE id=?", id).Scan(&uid)
|
|
|
if err != nil {
|
|
|
if err == sql.ErrNoRows {
|
|
|
return "", e.New(http.StatusNotFound, e.NotFound)
|
|
|
}
|
|
|
logger.Warn("get post creator error", "error", err)
|
|
|
return "", e.New(http.StatusInternalServerError, e.Internal)
|
|
|
}
|
|
|
|
|
|
return uid, nil
|
|
|
}
|
|
|
|
|
|
//slug有三个规则
|
|
|
// 1. 长度不能超过127
|
|
|
// 2. 每次title更新，都要重新生成slug
|
|
|
// 3. 单个用户下的slug不能重复，如果已经存在，需要加上-1这种字符
|
|
|
func setSlug(creator string, post *models.Story) error {
|
|
|
slug := utils.Slugify(post.Title)
|
|
|
if len(slug) > 100 {
|
|
|
slug = slug[:100]
|
|
|
}
|
|
|
|
|
|
post.Slug = slug
|
|
|
|
|
|
return nil
|
|
|
}
|
